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carlosagsmendes/JSPM Knockout

Created July 15, 2015 16:26
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JSPM Knockout
System.registerDynamic("github:knockout/knockout@3.3.0/dist/knockout.debug.js", [], false, function(__require, __exports, __module) {
var _retrieveGlobal = System.get("@@global-helpers").prepareGlobal(__module.id, "ko", null);
(function() {
"format global";
"exports ko";
(function() {
var DEBUG = true;
(function(undefined) {
var window = this || (0, eval)('this'),
document = window['document'],
navigator = window['navigator'],
jQueryInstance = window["jQuery"],
JSON = window["JSON"];
(function(factory) {
if (typeof define === 'function' && define['amd']) {
define(['exports', 'require'], factory);
} else if (typeof require === 'function' && typeof exports === 'object' && typeof module === 'object') {
factory(module['exports'] || exports);
} else {
factory(window['ko'] = {});
}
}(function(koExports, amdRequire) {
var ko = typeof koExports !== 'undefined' ? koExports : {};
ko.exportSymbol = function(koPath, object) {
var tokens = koPath.split(".");
var target = ko;
for (var i = 0; i < tokens.length - 1; i++)
target = target[tokens[i]];
target[tokens[tokens.length - 1]] = object;
};
ko.exportProperty = function(owner, publicName, object) {
owner[publicName] = object;
};
ko.version = "3.3.0";
ko.exportSymbol('version', ko.version);
ko.utils = (function() {
function objectForEach(obj, action) {
for (var prop in obj) {
if (obj.hasOwnProperty(prop)) {
action(prop, obj[prop]);
}
}
}
function extend(target, source) {
if (source) {
for (var prop in source) {
if (source.hasOwnProperty(prop)) {
target[prop] = source[prop];
}
}
}
return target;
}
function setPrototypeOf(obj, proto) {
obj.__proto__ = proto;
return obj;
}
var canSetPrototype = ({__proto__: []} instanceof Array);
var knownEvents = {},
knownEventTypesByEventName = {};
var keyEventTypeName = (navigator && /Firefox\/2/i.test(navigator.userAgent)) ? 'KeyboardEvent' : 'UIEvents';
knownEvents[keyEventTypeName] = ['keyup', 'keydown', 'keypress'];
knownEvents['MouseEvents'] = ['click', 'dblclick', 'mousedown', 'mouseup', 'mousemove', 'mouseover', 'mouseout', 'mouseenter', 'mouseleave'];
objectForEach(knownEvents, function(eventType, knownEventsForType) {
if (knownEventsForType.length) {
for (var i = 0,
j = knownEventsForType.length; i < j; i++)
knownEventTypesByEventName[knownEventsForType[i]] = eventType;
}
});
var eventsThatMustBeRegisteredUsingAttachEvent = {'propertychange': true};
var ieVersion = document && (function() {
var version = 3,
div = document.createElement('div'),
iElems = div.getElementsByTagName('i');
while (div.innerHTML = '<!--[if gt IE ' + (++version) + ']><i></i><![endif]-->', iElems[0]) {}
return version > 4 ? version : undefined;
}());
var isIe6 = ieVersion === 6,
isIe7 = ieVersion === 7;
function isClickOnCheckableElement(element, eventType) {
if ((ko.utils.tagNameLower(element) !== "input") || !element.type)
return false;
if (eventType.toLowerCase() != "click")
return false;
var inputType = element.type;
return (inputType == "checkbox") || (inputType == "radio");
}
var cssClassNameRegex = /\S+/g;
function toggleDomNodeCssClass(node, classNames, shouldHaveClass) {
var addOrRemoveFn;
if (classNames) {
if (typeof node.classList === 'object') {
addOrRemoveFn = node.classList[shouldHaveClass ? 'add' : 'remove'];
ko.utils.arrayForEach(classNames.match(cssClassNameRegex), function(className) {
addOrRemoveFn.call(node.classList, className);
});
} else if (typeof node.className['baseVal'] === 'string') {
toggleObjectClassPropertyString(node.className, 'baseVal', classNames, shouldHaveClass);
} else {
toggleObjectClassPropertyString(node, 'className', classNames, shouldHaveClass);
}
}
}
function toggleObjectClassPropertyString(obj, prop, classNames, shouldHaveClass) {
var currentClassNames = obj[prop].match(cssClassNameRegex) || [];
ko.utils.arrayForEach(classNames.match(cssClassNameRegex), function(className) {
ko.utils.addOrRemoveItem(currentClassNames, className, shouldHaveClass);
});
obj[prop] = currentClassNames.join(" ");
}
return {
fieldsIncludedWithJsonPost: ['authenticity_token', /^__RequestVerificationToken(_.*)?$/],
arrayForEach: function(array, action) {
for (var i = 0,
j = array.length; i < j; i++)
action(array[i], i);
},
arrayIndexOf: function(array, item) {
if (typeof Array.prototype.indexOf == "function")
return Array.prototype.indexOf.call(array, item);
for (var i = 0,
j = array.length; i < j; i++)
if (array[i] === item)
return i;
return -1;
},
arrayFirst: function(array, predicate, predicateOwner) {
for (var i = 0,
j = array.length; i < j; i++)
if (predicate.call(predicateOwner, array[i], i))
return array[i];
return null;
},
arrayRemoveItem: function(array, itemToRemove) {
var index = ko.utils.arrayIndexOf(array, itemToRemove);
if (index > 0) {
array.splice(index, 1);
} else if (index === 0) {
array.shift();
}
},
arrayGetDistinctValues: function(array) {
array = array || [];
var result = [];
for (var i = 0,
j = array.length; i < j; i++) {
if (ko.utils.arrayIndexOf(result, array[i]) < 0)
result.push(array[i]);
}
return result;
},
arrayMap: function(array, mapping) {
array = array || [];
var result = [];
for (var i = 0,
j = array.length; i < j; i++)
result.push(mapping(array[i], i));
return result;
},
arrayFilter: function(array, predicate) {
array = array || [];
var result = [];
for (var i = 0,
j = array.length; i < j; i++)
if (predicate(array[i], i))
result.push(array[i]);
return result;
},
arrayPushAll: function(array, valuesToPush) {
if (valuesToPush instanceof Array)
array.push.apply(array, valuesToPush);
else
for (var i = 0,
j = valuesToPush.length; i < j; i++)
array.push(valuesToPush[i]);
return array;
},
addOrRemoveItem: function(array, value, included) {
var existingEntryIndex = ko.utils.arrayIndexOf(ko.utils.peekObservable(array), value);
if (existingEntryIndex < 0) {
if (included)
array.push(value);
} else {
if (!included)
array.splice(existingEntryIndex, 1);
}
},
canSetPrototype: canSetPrototype,
extend: extend,
setPrototypeOf: setPrototypeOf,
setPrototypeOfOrExtend: canSetPrototype ? setPrototypeOf : extend,
objectForEach: objectForEach,
objectMap: function(source, mapping) {
if (!source)
return source;
var target = {};
for (var prop in source) {
if (source.hasOwnProperty(prop)) {
target[prop] = mapping(source[prop], prop, source);
}
}
return target;
},
emptyDomNode: function(domNode) {
while (domNode.firstChild) {
ko.removeNode(domNode.firstChild);
}
},
moveCleanedNodesToContainerElement: function(nodes) {
var nodesArray = ko.utils.makeArray(nodes);
var templateDocument = (nodesArray[0] && nodesArray[0].ownerDocument) || document;
var container = templateDocument.createElement('div');
for (var i = 0,
j = nodesArray.length; i < j; i++) {
container.appendChild(ko.cleanNode(nodesArray[i]));
}
return container;
},
cloneNodes: function(nodesArray, shouldCleanNodes) {
for (var i = 0,
j = nodesArray.length,
newNodesArray = []; i < j; i++) {
var clonedNode = nodesArray[i].cloneNode(true);
newNodesArray.push(shouldCleanNodes ? ko.cleanNode(clonedNode) : clonedNode);
}
return newNodesArray;
},
setDomNodeChildren: function(domNode, childNodes) {
ko.utils.emptyDomNode(domNode);
if (childNodes) {
for (var i = 0,
j = childNodes.length; i < j; i++)
domNode.appendChild(childNodes[i]);
}
},
replaceDomNodes: function(nodeToReplaceOrNodeArray, newNodesArray) {
var nodesToReplaceArray = nodeToReplaceOrNodeArray.nodeType ? [nodeToReplaceOrNodeArray] : nodeToReplaceOrNodeArray;
if (nodesToReplaceArray.length > 0) {
var insertionPoint = nodesToReplaceArray[0];
var parent = insertionPoint.parentNode;
for (var i = 0,
j = newNodesArray.length; i < j; i++)
parent.insertBefore(newNodesArray[i], insertionPoint);
for (var i = 0,
j = nodesToReplaceArray.length; i < j; i++) {
ko.removeNode(nodesToReplaceArray[i]);
}
}
},
fixUpContinuousNodeArray: function(continuousNodeArray, parentNode) {
if (continuousNodeArray.length) {
parentNode = (parentNode.nodeType === 8 && parentNode.parentNode) || parentNode;
while (continuousNodeArray.length && continuousNodeArray[0].parentNode !== parentNode)
continuousNodeArray.splice(0, 1);
if (continuousNodeArray.length > 1) {
var current = continuousNodeArray[0],
last = continuousNodeArray[continuousNodeArray.length - 1];
continuousNodeArray.length = 0;
while (current !== last) {
continuousNodeArray.push(current);
current = current.nextSibling;
if (!current)
return;
}
continuousNodeArray.push(last);
}
}
return continuousNodeArray;
},
setOptionNodeSelectionState: function(optionNode, isSelected) {
if (ieVersion < 7)
optionNode.setAttribute("selected", isSelected);
else
optionNode.selected = isSelected;
},
stringTrim: function(string) {
return string === null || string === undefined ? '' : string.trim ? string.trim() : string.toString().replace(/^[\s\xa0]+|[\s\xa0]+$/g, '');
},
stringStartsWith: function(string, startsWith) {
string = string || "";
if (startsWith.length > string.length)
return false;
return string.substring(0, startsWith.length) === startsWith;
},
domNodeIsContainedBy: function(node, containedByNode) {
if (node === containedByNode)
return true;
if (node.nodeType === 11)
return false;
if (containedByNode.contains)
return containedByNode.contains(node.nodeType === 3 ? node.parentNode : node);
if (containedByNode.compareDocumentPosition)
return (containedByNode.compareDocumentPosition(node) & 16) == 16;
while (node && node != containedByNode) {
node = node.parentNode;
}
return !!node;
},
domNodeIsAttachedToDocument: function(node) {
return ko.utils.domNodeIsContainedBy(node, node.ownerDocument.documentElement);
},
anyDomNodeIsAttachedToDocument: function(nodes) {
return !!ko.utils.arrayFirst(nodes, ko.utils.domNodeIsAttachedToDocument);
},
tagNameLower: function(element) {
return element && element.tagName && element.tagName.toLowerCase();
},
registerEventHandler: function(element, eventType, handler) {
var mustUseAttachEvent = ieVersion && eventsThatMustBeRegisteredUsingAttachEvent[eventType];
if (!mustUseAttachEvent && jQueryInstance) {
jQueryInstance(element)['bind'](eventType, handler);
} else if (!mustUseAttachEvent && typeof element.addEventListener == "function")
element.addEventListener(eventType, handler, false);
else if (typeof element.attachEvent != "undefined") {
var attachEventHandler = function(event) {
handler.call(element, event);
},
attachEventName = "on" + eventType;
element.attachEvent(attachEventName, attachEventHandler);
ko.utils.domNodeDisposal.addDisposeCallback(element, function() {
element.detachEvent(attachEventName, attachEventHandler);
});
} else
throw new Error("Browser doesn't support addEventListener or attachEvent");
},
triggerEvent: function(element, eventType) {
if (!(element && element.nodeType))
throw new Error("element must be a DOM node when calling triggerEvent");
var useClickWorkaround = isClickOnCheckableElement(element, eventType);
if (jQueryInstance && !useClickWorkaround) {
jQueryInstance(element)['trigger'](eventType);
} else if (typeof document.createEvent == "function") {
if (typeof element.dispatchEvent == "function") {
var eventCategory = knownEventTypesByEventName[eventType] || "HTMLEvents";
var event = document.createEvent(eventCategory);
event.initEvent(eventType, true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, element);
element.dispatchEvent(event);
} else
throw new Error("The supplied element doesn't support dispatchEvent");
} else if (useClickWorkaround && element.click) {
element.click();
} else if (typeof element.fireEvent != "undefined") {
element.fireEvent("on" + eventType);
} else {
throw new Error("Browser doesn't support triggering events");
}
},
unwrapObservable: function(value) {
return ko.isObservable(value) ? value() : value;
},
peekObservable: function(value) {
return ko.isObservable(value) ? value.peek() : value;
},
toggleDomNodeCssClass: toggleDomNodeCssClass,
setTextContent: function(element, textContent) {
var value = ko.utils.unwrapObservable(textContent);
if ((value === null) || (value === undefined))
value = "";
var innerTextNode = ko.virtualElements.firstChild(element);
if (!innerTextNode || innerTextNode.nodeType != 3 || ko.virtualElements.nextSibling(innerTextNode)) {
ko.virtualElements.setDomNodeChildren(element, [element.ownerDocument.createTextNode(value)]);
} else {
innerTextNode.data = value;
}
ko.utils.forceRefresh(element);
},
setElementName: function(element, name) {
element.name = name;
if (ieVersion <= 7) {
try {
element.mergeAttributes(document.createElement("<input name='" + element.name + "'/>"), false);
} catch (e) {}
}
},
forceRefresh: function(node) {
if (ieVersion >= 9) {
var elem = node.nodeType == 1 ? node : node.parentNode;
if (elem.style)
elem.style.zoom = elem.style.zoom;
}
},
ensureSelectElementIsRenderedCorrectly: function(selectElement) {
if (ieVersion) {
var originalWidth = selectElement.style.width;
selectElement.style.width = 0;
selectElement.style.width = originalWidth;
}
},
range: function(min, max) {
min = ko.utils.unwrapObservable(min);
max = ko.utils.unwrapObservable(max);
var result = [];
for (var i = min; i <= max; i++)
result.push(i);
return result;
},
makeArray: function(arrayLikeObject) {
var result = [];
for (var i = 0,
j = arrayLikeObject.length; i < j; i++) {
result.push(arrayLikeObject[i]);
}
;
return result;
},
isIe6: isIe6,
isIe7: isIe7,
ieVersion: ieVersion,
getFormFields: function(form, fieldName) {
var fields = ko.utils.makeArray(form.getElementsByTagName("input")).concat(ko.utils.makeArray(form.getElementsByTagName("textarea")));
var isMatchingField = (typeof fieldName == 'string') ? function(field) {
return field.name === fieldName;
} : function(field) {
return fieldName.test(field.name);
};
var matches = [];
for (var i = fields.length - 1; i >= 0; i--) {
if (isMatchingField(fields[i]))
matches.push(fields[i]);
}
;
return matches;
},
parseJson: function(jsonString) {
if (typeof jsonString == "string") {
jsonString = ko.utils.stringTrim(jsonString);
if (jsonString) {
if (JSON && JSON.parse)
return JSON.parse(jsonString);
return (new Function("return " + jsonString))();
}
}
return null;
},
stringifyJson: function(data, replacer, space) {
if (!JSON || !JSON.stringify)
throw new Error("Cannot find JSON.stringify(). Some browsers (e.g., IE < 8) don't support it natively, but you can overcome this by adding a script reference to json2.js, downloadable from http://www.json.org/json2.js");
return JSON.stringify(ko.utils.unwrapObservable(data), replacer, space);
},
postJson: function(urlOrForm, data, options) {
options = options || {};
var params = options['params'] || {};
var includeFields = options['includeFields'] || this.fieldsIncludedWithJsonPost;
var url = urlOrForm;
if ((typeof urlOrForm == 'object') && (ko.utils.tagNameLower(urlOrForm) === "form")) {
var originalForm = urlOrForm;
url = originalForm.action;
for (var i = includeFields.length - 1; i >= 0; i--) {
var fields = ko.utils.getFormFields(originalForm, includeFields[i]);
for (var j = fields.length - 1; j >= 0; j--)
params[fields[j].name] = fields[j].value;
}
}
data = ko.utils.unwrapObservable(data);
var form = document.createElement("form");
form.style.display = "none";
form.action = url;
form.method = "post";
for (var key in data) {
var input = document.createElement("input");
input.type = "hidden";
input.name = key;
input.value = ko.utils.stringifyJson(ko.utils.unwrapObservable(data[key]));
form.appendChild(input);
}
objectForEach(params, function(key, value) {
var input = document.createElement("input");
input.type = "hidden";
input.name = key;
input.value = value;
form.appendChild(input);
});
document.body.appendChild(form);
options['submitter'] ? options['submitter'](form) : form.submit();
setTimeout(function() {
form.parentNode.removeChild(form);
}, 0);
}
};
}());
ko.exportSymbol('utils', ko.utils);
ko.exportSymbol('utils.arrayForEach', ko.utils.arrayForEach);
ko.exportSymbol('utils.arrayFirst', ko.utils.arrayFirst);
ko.exportSymbol('utils.arrayFilter', ko.utils.arrayFilter);
ko.exportSymbol('utils.arrayGetDistinctValues', ko.utils.arrayGetDistinctValues);
ko.exportSymbol('utils.arrayIndexOf', ko.utils.arrayIndexOf);
ko.exportSymbol('utils.arrayMap', ko.utils.arrayMap);
ko.exportSymbol('utils.arrayPushAll', ko.utils.arrayPushAll);
ko.exportSymbol('utils.arrayRemoveItem', ko.utils.arrayRemoveItem);
ko.exportSymbol('utils.extend', ko.utils.extend);
ko.exportSymbol('utils.fieldsIncludedWithJsonPost', ko.utils.fieldsIncludedWithJsonPost);
ko.exportSymbol('utils.getFormFields', ko.utils.getFormFields);
ko.exportSymbol('utils.peekObservable', ko.utils.peekObservable);
ko.exportSymbol('utils.postJson', ko.utils.postJson);
ko.exportSymbol('utils.parseJson', ko.utils.parseJson);
ko.exportSymbol('utils.registerEventHandler', ko.utils.registerEventHandler);
ko.exportSymbol('utils.stringifyJson', ko.utils.stringifyJson);
ko.exportSymbol('utils.range', ko.utils.range);
ko.exportSymbol('utils.toggleDomNodeCssClass', ko.utils.toggleDomNodeCssClass);
ko.exportSymbol('utils.triggerEvent', ko.utils.triggerEvent);
ko.exportSymbol('utils.unwrapObservable', ko.utils.unwrapObservable);
ko.exportSymbol('utils.objectForEach', ko.utils.objectForEach);
ko.exportSymbol('utils.addOrRemoveItem', ko.utils.addOrRemoveItem);
ko.exportSymbol('utils.setTextContent', ko.utils.setTextContent);
ko.exportSymbol('unwrap', ko.utils.unwrapObservable);
if (!Function.prototype['bind']) {
Function.prototype['bind'] = function(object) {
var originalFunction = this;
if (arguments.length === 1) {
return function() {
return originalFunction.apply(object, arguments);
};
} else {
var partialArgs = Array.prototype.slice.call(arguments, 1);
return function() {
var args = partialArgs.slice(0);
args.push.apply(args, arguments);
return originalFunction.apply(object, args);
};
}
};
}
ko.utils.domData = new (function() {
var uniqueId = 0;
var dataStoreKeyExpandoPropertyName = "__ko__" + (new Date).getTime();
var dataStore = {};
function getAll(node, createIfNotFound) {
var dataStoreKey = node[dataStoreKeyExpandoPropertyName];
var hasExistingDataStore = dataStoreKey && (dataStoreKey !== "null") && dataStore[dataStoreKey];
if (!hasExistingDataStore) {
if (!createIfNotFound)
return undefined;
dataStoreKey = node[dataStoreKeyExpandoPropertyName] = "ko" + uniqueId++;
dataStore[dataStoreKey] = {};
}
return dataStore[dataStoreKey];
}
return {
get: function(node, key) {
var allDataForNode = getAll(node, false);
return allDataForNode === undefined ? undefined : allDataForNode[key];
},
set: function(node, key, value) {
if (value === undefined) {
if (getAll(node, false) === undefined)
return;
}
var allDataForNode = getAll(node, true);
allDataForNode[key] = value;
},
clear: function(node) {
var dataStoreKey = node[dataStoreKeyExpandoPropertyName];
if (dataStoreKey) {
delete dataStore[dataStoreKey];
node[dataStoreKeyExpandoPropertyName] = null;
return true;
}
return false;
},
nextKey: function() {
return (uniqueId++) + dataStoreKeyExpandoPropertyName;
}
};
})();
ko.exportSymbol('utils.domData', ko.utils.domData);
ko.exportSymbol('utils.domData.clear', ko.utils.domData.clear);
ko.utils.domNodeDisposal = new (function() {
var domDataKey = ko.utils.domData.nextKey();
var cleanableNodeTypes = {
1: true,
8: true,
9: true
};
var cleanableNodeTypesWithDescendants = {
1: true,
9: true
};
function getDisposeCallbacksCollection(node, createIfNotFound) {
var allDisposeCallbacks = ko.utils.domData.get(node, domDataKey);
if ((allDisposeCallbacks === undefined) && createIfNotFound) {
allDisposeCallbacks = [];
ko.utils.domData.set(node, domDataKey, allDisposeCallbacks);
}
return allDisposeCallbacks;
}
function destroyCallbacksCollection(node) {
ko.utils.domData.set(node, domDataKey, undefined);
}
function cleanSingleNode(node) {
var callbacks = getDisposeCallbacksCollection(node, false);
if (callbacks) {
callbacks = callbacks.slice(0);
for (var i = 0; i < callbacks.length; i++)
callbacks[i](node);
}
ko.utils.domData.clear(node);
ko.utils.domNodeDisposal["cleanExternalData"](node);
if (cleanableNodeTypesWithDescendants[node.nodeType])
cleanImmediateCommentTypeChildren(node);
}
function cleanImmediateCommentTypeChildren(nodeWithChildren) {
var child,
nextChild = nodeWithChildren.firstChild;
while (child = nextChild) {
nextChild = child.nextSibling;
if (child.nodeType === 8)
cleanSingleNode(child);
}
}
return {
addDisposeCallback: function(node, callback) {
if (typeof callback != "function")
throw new Error("Callback must be a function");
getDisposeCallbacksCollection(node, true).push(callback);
},
removeDisposeCallback: function(node, callback) {
var callbacksCollection = getDisposeCallbacksCollection(node, false);
if (callbacksCollection) {
ko.utils.arrayRemoveItem(callbacksCollection, callback);
if (callbacksCollection.length == 0)
destroyCallbacksCollection(node);
}
},
cleanNode: function(node) {
if (cleanableNodeTypes[node.nodeType]) {
cleanSingleNode(node);
if (cleanableNodeTypesWithDescendants[node.nodeType]) {
var descendants = [];
ko.utils.arrayPushAll(descendants, node.getElementsByTagName("*"));
for (var i = 0,
j = descendants.length; i < j; i++)
cleanSingleNode(descendants[i]);
}
}
return node;
},
removeNode: function(node) {
ko.cleanNode(node);
if (node.parentNode)
node.parentNode.removeChild(node);
},
"cleanExternalData": function(node) {
if (jQueryInstance && (typeof jQueryInstance['cleanData'] == "function"))
jQueryInstance['cleanData']([node]);
}
};
})();
ko.cleanNode = ko.utils.domNodeDisposal.cleanNode;
ko.removeNode = ko.utils.domNodeDisposal.removeNode;
ko.exportSymbol('cleanNode', ko.cleanNode);
ko.exportSymbol('removeNode', ko.removeNode);
ko.exportSymbol('utils.domNodeDisposal', ko.utils.domNodeDisposal);
ko.exportSymbol('utils.domNodeDisposal.addDisposeCallback', ko.utils.domNodeDisposal.addDisposeCallback);
ko.exportSymbol('utils.domNodeDisposal.removeDisposeCallback', ko.utils.domNodeDisposal.removeDisposeCallback);
(function() {
var leadingCommentRegex = /^(\s*)<!--(.*?)-->/;
function simpleHtmlParse(html, documentContext) {
documentContext || (documentContext = document);
var windowContext = documentContext['parentWindow'] || documentContext['defaultView'] || window;
var tags = ko.utils.stringTrim(html).toLowerCase(),
div = documentContext.createElement("div");
var wrap = tags.match(/^<(thead|tbody|tfoot)/) && [1, "<table>", "</table>"] || !tags.indexOf("<tr") && [2, "<table><tbody>", "</tbody></table>"] || (!tags.indexOf("<td") || !tags.indexOf("<th")) && [3, "<table><tbody><tr>", "</tr></tbody></table>"] || [0, "", ""];
var markup = "ignored<div>" + wrap[1] + html + wrap[2] + "</div>";
if (typeof windowContext['innerShiv'] == "function") {
div.appendChild(windowContext['innerShiv'](markup));
} else {
div.innerHTML = markup;
}
while (wrap[0]--)
div = div.lastChild;
return ko.utils.makeArray(div.lastChild.childNodes);
}
function jQueryHtmlParse(html, documentContext) {
if (jQueryInstance['parseHTML']) {
return jQueryInstance['parseHTML'](html, documentContext) || [];
} else {
var elems = jQueryInstance['clean']([html], documentContext);
if (elems && elems[0]) {
var elem = elems[0];
while (elem.parentNode && elem.parentNode.nodeType !== 11)
elem = elem.parentNode;
if (elem.parentNode)
elem.parentNode.removeChild(elem);
}
return elems;
}
}
ko.utils.parseHtmlFragment = function(html, documentContext) {
return jQueryInstance ? jQueryHtmlParse(html, documentContext) : simpleHtmlParse(html, documentContext);
};
ko.utils.setHtml = function(node, html) {
ko.utils.emptyDomNode(node);
html = ko.utils.unwrapObservable(html);
if ((html !== null) && (html !== undefined)) {
if (typeof html != 'string')
html = html.toString();
if (jQueryInstance) {
jQueryInstance(node)['html'](html);
} else {
var parsedNodes = ko.utils.parseHtmlFragment(html, node.ownerDocument);
for (var i = 0; i < parsedNodes.length; i++)
node.appendChild(parsedNodes[i]);
}
}
};
})();
ko.exportSymbol('utils.parseHtmlFragment', ko.utils.parseHtmlFragment);
ko.exportSymbol('utils.setHtml', ko.utils.setHtml);
ko.memoization = (function() {
var memos = {};
function randomMax8HexChars() {
return (((1 + Math.random()) * 0x100000000) | 0).toString(16).substring(1);
}
function generateRandomId() {
return randomMax8HexChars() + randomMax8HexChars();
}
function findMemoNodes(rootNode, appendToArray) {
if (!rootNode)
return;
if (rootNode.nodeType == 8) {
var memoId = ko.memoization.parseMemoText(rootNode.nodeValue);
if (memoId != null)
appendToArray.push({
domNode: rootNode,
memoId: memoId
});
} else if (rootNode.nodeType == 1) {
for (var i = 0,
childNodes = rootNode.childNodes,
j = childNodes.length; i < j; i++)
findMemoNodes(childNodes[i], appendToArray);
}
}
return {
memoize: function(callback) {
if (typeof callback != "function")
throw new Error("You can only pass a function to ko.memoization.memoize()");
var memoId = generateRandomId();
memos[memoId] = callback;
return "<!--[ko_memo:" + memoId + "]-->";
},
unmemoize: function(memoId, callbackParams) {
var callback = memos[memoId];
if (callback === undefined)
throw new Error("Couldn't find any memo with ID " + memoId + ". Perhaps it's already been unmemoized.");
try {
callback.apply(null, callbackParams || []);
return true;
} finally {
delete memos[memoId];
}
},
unmemoizeDomNodeAndDescendants: function(domNode, extraCallbackParamsArray) {
var memos = [];
findMemoNodes(domNode, memos);
for (var i = 0,
j = memos.length; i < j; i++) {
var node = memos[i].domNode;
var combinedParams = [node];
if (extraCallbackParamsArray)
ko.utils.arrayPushAll(combinedParams, extraCallbackParamsArray);
ko.memoization.unmemoize(memos[i].memoId, combinedParams);
node.nodeValue = "";
if (node.parentNode)
node.parentNode.removeChild(node);
}
},
parseMemoText: function(memoText) {
var match = memoText.match(/^\[ko_memo\:(.*?)\]$/);
return match ? match[1] : null;
}
};
})();
ko.exportSymbol('memoization', ko.memoization);
ko.exportSymbol('memoization.memoize', ko.memoization.memoize);
ko.exportSymbol('memoization.unmemoize', ko.memoization.unmemoize);
ko.exportSymbol('memoization.parseMemoText', ko.memoization.parseMemoText);
ko.exportSymbol('memoization.unmemoizeDomNodeAndDescendants', ko.memoization.unmemoizeDomNodeAndDescendants);
ko.extenders = {
'throttle': function(target, timeout) {
target['throttleEvaluation'] = timeout;
var writeTimeoutInstance = null;
return ko.dependentObservable({
'read': target,
'write': function(value) {
clearTimeout(writeTimeoutInstance);
writeTimeoutInstance = setTimeout(function() {
target(value);
}, timeout);
}
});
},
'rateLimit': function(target, options) {
var timeout,
method,
limitFunction;
if (typeof options == 'number') {
timeout = options;
} else {
timeout = options['timeout'];
method = options['method'];
}
limitFunction = method == 'notifyWhenChangesStop' ? debounce : throttle;
target.limit(function(callback) {
return limitFunction(callback, timeout);
});
},
'notify': function(target, notifyWhen) {
target["equalityComparer"] = notifyWhen == "always" ? null : valuesArePrimitiveAndEqual;
}
};
var primitiveTypes = {
'undefined': 1,
'boolean': 1,
'number': 1,
'string': 1
};
function valuesArePrimitiveAndEqual(a, b) {
var oldValueIsPrimitive = (a === null) || (typeof(a) in primitiveTypes);
return oldValueIsPrimitive ? (a === b) : false;
}
function throttle(callback, timeout) {
var timeoutInstance;
return function() {
if (!timeoutInstance) {
timeoutInstance = setTimeout(function() {
timeoutInstance = undefined;
callback();
}, timeout);
}
};
}
function debounce(callback, timeout) {
var timeoutInstance;
return function() {
clearTimeout(timeoutInstance);
timeoutInstance = setTimeout(callback, timeout);
};
}
function applyExtenders(requestedExtenders) {
var target = this;
if (requestedExtenders) {
ko.utils.objectForEach(requestedExtenders, function(key, value) {
var extenderHandler = ko.extenders[key];
if (typeof extenderHandler == 'function') {
target = extenderHandler(target, value) || target;
}
});
}
return target;
}
ko.exportSymbol('extenders', ko.extenders);
ko.subscription = function(target, callback, disposeCallback) {
this._target = target;
this.callback = callback;
this.disposeCallback = disposeCallback;
this.isDisposed = false;
ko.exportProperty(this, 'dispose', this.dispose);
};
ko.subscription.prototype.dispose = function() {
this.isDisposed = true;
this.disposeCallback();
};
ko.subscribable = function() {
ko.utils.setPrototypeOfOrExtend(this, ko.subscribable['fn']);
this._subscriptions = {};
this._versionNumber = 1;
};
var defaultEvent = "change";
var ko_subscribable_fn = {
subscribe: function(callback, callbackTarget, event) {
var self = this;
event = event || defaultEvent;
var boundCallback = callbackTarget ? callback.bind(callbackTarget) : callback;
var subscription = new ko.subscription(self, boundCallback, function() {
ko.utils.arrayRemoveItem(self._subscriptions[event], subscription);
if (self.afterSubscriptionRemove)
self.afterSubscriptionRemove(event);
});
if (self.beforeSubscriptionAdd)
self.beforeSubscriptionAdd(event);
if (!self._subscriptions[event])
self._subscriptions[event] = [];
self._subscriptions[event].push(subscription);
return subscription;
},
"notifySubscribers": function(valueToNotify, event) {
event = event || defaultEvent;
if (event === defaultEvent) {
this.updateVersion();
}
if (this.hasSubscriptionsForEvent(event)) {
try {
ko.dependencyDetection.begin();
for (var a = this._subscriptions[event].slice(0),
i = 0,
subscription; subscription = a[i]; ++i) {
if (!subscription.isDisposed)
subscription.callback(valueToNotify);
}
} finally {
ko.dependencyDetection.end();
}
}
},
getVersion: function() {
return this._versionNumber;
},
hasChanged: function(versionToCheck) {
return this.getVersion() !== versionToCheck;
},
updateVersion: function() {
++this._versionNumber;
},
limit: function(limitFunction) {
var self = this,
selfIsObservable = ko.isObservable(self),
isPending,
previousValue,
pendingValue,
beforeChange = 'beforeChange';
if (!self._origNotifySubscribers) {
self._origNotifySubscribers = self["notifySubscribers"];
self["notifySubscribers"] = function(value, event) {
if (!event || event === defaultEvent) {
self._rateLimitedChange(value);
} else if (event === beforeChange) {
self._rateLimitedBeforeChange(value);
} else {
self._origNotifySubscribers(value, event);
}
};
}
var finish = limitFunction(function() {
if (selfIsObservable && pendingValue === self) {
pendingValue = self();
}
isPending = false;
if (self.isDifferent(previousValue, pendingValue)) {
self._origNotifySubscribers(previousValue = pendingValue);
}
});
self._rateLimitedChange = function(value) {
isPending = true;
pendingValue = value;
finish();
};
self._rateLimitedBeforeChange = function(value) {
if (!isPending) {
previousValue = value;
self._origNotifySubscribers(value, beforeChange);
}
};
},
hasSubscriptionsForEvent: function(event) {
return this._subscriptions[event] && this._subscriptions[event].length;
},
getSubscriptionsCount: function(event) {
if (event) {
return this._subscriptions[event] && this._subscriptions[event].length || 0;
} else {
var total = 0;
ko.utils.objectForEach(this._subscriptions, function(eventName, subscriptions) {
total += subscriptions.length;
});
return total;
}
},
isDifferent: function(oldValue, newValue) {
return !this['equalityComparer'] || !this['equalityComparer'](oldValue, newValue);
},
extend: applyExtenders
};
ko.exportProperty(ko_subscribable_fn, 'subscribe', ko_subscribable_fn.subscribe);
ko.exportProperty(ko_subscribable_fn, 'extend', ko_subscribable_fn.extend);
ko.exportProperty(ko_subscribable_fn, 'getSubscriptionsCount', ko_subscribable_fn.getSubscriptionsCount);
if (ko.utils.canSetPrototype) {
ko.utils.setPrototypeOf(ko_subscribable_fn, Function.prototype);
}
ko.subscribable['fn'] = ko_subscribable_fn;
ko.isSubscribable = function(instance) {
return instance != null && typeof instance.subscribe == "function" && typeof instance["notifySubscribers"] == "function";
};
ko.exportSymbol('subscribable', ko.subscribable);
ko.exportSymbol('isSubscribable', ko.isSubscribable);
ko.computedContext = ko.dependencyDetection = (function() {
var outerFrames = [],
currentFrame,
lastId = 0;
function getId() {
return ++lastId;
}
function begin(options) {
outerFrames.push(currentFrame);
currentFrame = options;
}
function end() {
currentFrame = outerFrames.pop();
}
return {
begin: begin,
end: end,
registerDependency: function(subscribable) {
if (currentFrame) {
if (!ko.isSubscribable(subscribable))
throw new Error("Only subscribable things can act as dependencies");
currentFrame.callback(subscribable, subscribable._id || (subscribable._id = getId()));
}
},
ignore: function(callback, callbackTarget, callbackArgs) {
try {
begin();
return callback.apply(callbackTarget, callbackArgs || []);
} finally {
end();
}
},
getDependenciesCount: function() {
if (currentFrame)
return currentFrame.computed.getDependenciesCount();
},
isInitial: function() {
if (currentFrame)
return currentFrame.isInitial;
}
};
})();
ko.exportSymbol('computedContext', ko.computedContext);
ko.exportSymbol('computedContext.getDependenciesCount', ko.computedContext.getDependenciesCount);
ko.exportSymbol('computedContext.isInitial', ko.computedContext.isInitial);
ko.exportSymbol('computedContext.isSleeping', ko.computedContext.isSleeping);
ko.exportSymbol('ignoreDependencies', ko.ignoreDependencies = ko.dependencyDetection.ignore);
ko.observable = function(initialValue) {
var _latestValue = initialValue;
function observable() {
if (arguments.length > 0) {
if (observable.isDifferent(_latestValue, arguments[0])) {
observable.valueWillMutate();
_latestValue = arguments[0];
if (DEBUG)
observable._latestValue = _latestValue;
observable.valueHasMutated();
}
return this;
} else {
ko.dependencyDetection.registerDependency(observable);
return _latestValue;
}
}
ko.subscribable.call(observable);
ko.utils.setPrototypeOfOrExtend(observable, ko.observable['fn']);
if (DEBUG)
observable._latestValue = _latestValue;
observable.peek = function() {
return _latestValue;
};
observable.valueHasMutated = function() {
observable["notifySubscribers"](_latestValue);
};
observable.valueWillMutate = function() {
observable["notifySubscribers"](_latestValue, "beforeChange");
};
ko.exportProperty(observable, 'peek', observable.peek);
ko.exportProperty(observable, "valueHasMutated", observable.valueHasMutated);
ko.exportProperty(observable, "valueWillMutate", observable.valueWillMutate);
return observable;
};
ko.observable['fn'] = {"equalityComparer": valuesArePrimitiveAndEqual};
var protoProperty = ko.observable.protoProperty = "__ko_proto__";
ko.observable['fn'][protoProperty] = ko.observable;
if (ko.utils.canSetPrototype) {
ko.utils.setPrototypeOf(ko.observable['fn'], ko.subscribable['fn']);
}
ko.hasPrototype = function(instance, prototype) {
if ((instance === null) || (instance === undefined) || (instance[protoProperty] === undefined))
return false;
if (instance[protoProperty] === prototype)
return true;
return ko.hasPrototype(instance[protoProperty], prototype);
};
ko.isObservable = function(instance) {
return ko.hasPrototype(instance, ko.observable);
};
ko.isWriteableObservable = function(instance) {
if ((typeof instance == "function") && instance[protoProperty] === ko.observable)
return true;
if ((typeof instance == "function") && (instance[protoProperty] === ko.dependentObservable) && (instance.hasWriteFunction))
return true;
return false;
};
ko.exportSymbol('observable', ko.observable);
ko.exportSymbol('isObservable', ko.isObservable);
ko.exportSymbol('isWriteableObservable', ko.isWriteableObservable);
ko.exportSymbol('isWritableObservable', ko.isWriteableObservable);
ko.observableArray = function(initialValues) {
initialValues = initialValues || [];
if (typeof initialValues != 'object' || !('length' in initialValues))
throw new Error("The argument passed when initializing an observable array must be an array, or null, or undefined.");
var result = ko.observable(initialValues);
ko.utils.setPrototypeOfOrExtend(result, ko.observableArray['fn']);
return result.extend({'trackArrayChanges': true});
};
ko.observableArray['fn'] = {
'remove': function(valueOrPredicate) {
var underlyingArray = this.peek();
var removedValues = [];
var predicate = typeof valueOrPredicate == "function" && !ko.isObservable(valueOrPredicate) ? valueOrPredicate : function(value) {
return value === valueOrPredicate;
};
for (var i = 0; i < underlyingArray.length; i++) {
var value = underlyingArray[i];
if (predicate(value)) {
if (removedValues.length === 0) {
this.valueWillMutate();
}
removedValues.push(value);
underlyingArray.splice(i, 1);
i--;
}
}
if (removedValues.length) {
this.valueHasMutated();
}
return removedValues;
},
'removeAll': function(arrayOfValues) {
if (arrayOfValues === undefined) {
var underlyingArray = this.peek();
var allValues = underlyingArray.slice(0);
this.valueWillMutate();
underlyingArray.splice(0, underlyingArray.length);
this.valueHasMutated();
return allValues;
}
if (!arrayOfValues)
return [];
return this['remove'](function(value) {
return ko.utils.arrayIndexOf(arrayOfValues, value) >= 0;
});
},
'destroy': function(valueOrPredicate) {
var underlyingArray = this.peek();
var predicate = typeof valueOrPredicate == "function" && !ko.isObservable(valueOrPredicate) ? valueOrPredicate : function(value) {
return value === valueOrPredicate;
};
this.valueWillMutate();
for (var i = underlyingArray.length - 1; i >= 0; i--) {
var value = underlyingArray[i];
if (predicate(value))
underlyingArray[i]["_destroy"] = true;
}
this.valueHasMutated();
},
'destroyAll': function(arrayOfValues) {
if (arrayOfValues === undefined)
return this['destroy'](function() {
return true;
});
if (!arrayOfValues)
return [];
return this['destroy'](function(value) {
return ko.utils.arrayIndexOf(arrayOfValues, value) >= 0;
});
},
'indexOf': function(item) {
var underlyingArray = this();
return ko.utils.arrayIndexOf(underlyingArray, item);
},
'replace': function(oldItem, newItem) {
var index = this['indexOf'](oldItem);
if (index >= 0) {
this.valueWillMutate();
this.peek()[index] = newItem;
this.valueHasMutated();
}
}
};
ko.utils.arrayForEach(["pop", "push", "reverse", "shift", "sort", "splice", "unshift"], function(methodName) {
ko.observableArray['fn'][methodName] = function() {
var underlyingArray = this.peek();
this.valueWillMutate();
this.cacheDiffForKnownOperation(underlyingArray, methodName, arguments);
var methodCallResult = underlyingArray[methodName].apply(underlyingArray, arguments);
this.valueHasMutated();
return methodCallResult;
};
});
ko.utils.arrayForEach(["slice"], function(methodName) {
ko.observableArray['fn'][methodName] = function() {
var underlyingArray = this();
return underlyingArray[methodName].apply(underlyingArray, arguments);
};
});
if (ko.utils.canSetPrototype) {
ko.utils.setPrototypeOf(ko.observableArray['fn'], ko.observable['fn']);
}
ko.exportSymbol('observableArray', ko.observableArray);
var arrayChangeEventName = 'arrayChange';
ko.extenders['trackArrayChanges'] = function(target) {
if (target.cacheDiffForKnownOperation) {
return;
}
var trackingChanges = false,
cachedDiff = null,
arrayChangeSubscription,
pendingNotifications = 0,
underlyingBeforeSubscriptionAddFunction = target.beforeSubscriptionAdd,
underlyingAfterSubscriptionRemoveFunction = target.afterSubscriptionRemove;
target.beforeSubscriptionAdd = function(event) {
if (underlyingBeforeSubscriptionAddFunction)
underlyingBeforeSubscriptionAddFunction.call(target, event);
if (event === arrayChangeEventName) {
trackChanges();
}
};
target.afterSubscriptionRemove = function(event) {
if (underlyingAfterSubscriptionRemoveFunction)
underlyingAfterSubscriptionRemoveFunction.call(target, event);
if (event === arrayChangeEventName && !target.hasSubscriptionsForEvent(arrayChangeEventName)) {
arrayChangeSubscription.dispose();
trackingChanges = false;
}
};
function trackChanges() {
if (trackingChanges) {
return;
}
trackingChanges = true;
var underlyingNotifySubscribersFunction = target['notifySubscribers'];
target['notifySubscribers'] = function(valueToNotify, event) {
if (!event || event === defaultEvent) {
++pendingNotifications;
}
return underlyingNotifySubscribersFunction.apply(this, arguments);
};
var previousContents = [].concat(target.peek() || []);
cachedDiff = null;
arrayChangeSubscription = target.subscribe(function(currentContents) {
currentContents = [].concat(currentContents || []);
if (target.hasSubscriptionsForEvent(arrayChangeEventName)) {
var changes = getChanges(previousContents, currentContents);
}
previousContents = currentContents;
cachedDiff = null;
pendingNotifications = 0;
if (changes && changes.length) {
target['notifySubscribers'](changes, arrayChangeEventName);
}
});
}
function getChanges(previousContents, currentContents) {
if (!cachedDiff || pendingNotifications > 1) {
cachedDiff = ko.utils.compareArrays(previousContents, currentContents, {'sparse': true});
}
return cachedDiff;
}
target.cacheDiffForKnownOperation = function(rawArray, operationName, args) {
if (!trackingChanges || pendingNotifications) {
return;
}
var diff = [],
arrayLength = rawArray.length,
argsLength = args.length,
offset = 0;
function pushDiff(status, value, index) {
return diff[diff.length] = {
'status': status,
'value': value,
'index': index
};
}
switch (operationName) {
case 'push':
offset = arrayLength;
case 'unshift':
for (var index = 0; index < argsLength; index++) {
pushDiff('added', args[index], offset + index);
}
break;
case 'pop':
offset = arrayLength - 1;
case 'shift':
if (arrayLength) {
pushDiff('deleted', rawArray[offset], offset);
}
break;
case 'splice':
var startIndex = Math.min(Math.max(0, args[0] < 0 ? arrayLength + args[0] : args[0]), arrayLength),
endDeleteIndex = argsLength === 1 ? arrayLength : Math.min(startIndex + (args[1] || 0), arrayLength),
endAddIndex = startIndex + argsLength - 2,
endIndex = Math.max(endDeleteIndex, endAddIndex),
additions = [],
deletions = [];
for (var index = startIndex,
argsIndex = 2; index < endIndex; ++index, ++argsIndex) {
if (index < endDeleteIndex)
deletions.push(pushDiff('deleted', rawArray[index], index));
if (index < endAddIndex)
additions.push(pushDiff('added', args[argsIndex], index));
}
ko.utils.findMovesInArrayComparison(deletions, additions);
break;
default:
return;
}
cachedDiff = diff;
};
};
ko.computed = ko.dependentObservable = function(evaluatorFunctionOrOptions, evaluatorFunctionTarget, options) {
var _latestValue,
_needsEvaluation = true,
_isBeingEvaluated = false,
_suppressDisposalUntilDisposeWhenReturnsFalse = false,
_isDisposed = false,
readFunction = evaluatorFunctionOrOptions,
pure = false,
isSleeping = false;
if (readFunction && typeof readFunction == "object") {
options = readFunction;
readFunction = options["read"];
} else {
options = options || {};
if (!readFunction)
readFunction = options["read"];
}
if (typeof readFunction != "function")
throw new Error("Pass a function that returns the value of the ko.computed");
function addDependencyTracking(id, target, trackingObj) {
if (pure && target === dependentObservable) {
throw Error("A 'pure' computed must not be called recursively");
}
dependencyTracking[id] = trackingObj;
trackingObj._order = _dependenciesCount++;
trackingObj._version = target.getVersion();
}
function haveDependenciesChanged() {
var id,
dependency;
for (id in dependencyTracking) {
if (dependencyTracking.hasOwnProperty(id)) {
dependency = dependencyTracking[id];
if (dependency._target.hasChanged(dependency._version)) {
return true;
}
}
}
}
function disposeComputed() {
if (!isSleeping && dependencyTracking) {
ko.utils.objectForEach(dependencyTracking, function(id, dependency) {
if (dependency.dispose)
dependency.dispose();
});
}
dependencyTracking = null;
_dependenciesCount = 0;
_isDisposed = true;
_needsEvaluation = false;
isSleeping = false;
}
function evaluatePossiblyAsync() {
var throttleEvaluationTimeout = dependentObservable['throttleEvaluation'];
if (throttleEvaluationTimeout && throttleEvaluationTimeout >= 0) {
clearTimeout(evaluationTimeoutInstance);
evaluationTimeoutInstance = setTimeout(function() {
evaluateImmediate(true);
}, throttleEvaluationTimeout);
} else if (dependentObservable._evalRateLimited) {
dependentObservable._evalRateLimited();
} else {
evaluateImmediate(true);
}
}
function evaluateImmediate(notifyChange) {
if (_isBeingEvaluated) {
return;
}
if (_isDisposed) {
return;
}
if (disposeWhen && disposeWhen()) {
if (!_suppressDisposalUntilDisposeWhenReturnsFalse) {
dispose();
return;
}
} else {
_suppressDisposalUntilDisposeWhenReturnsFalse = false;
}
_isBeingEvaluated = true;
try {
var disposalCandidates = dependencyTracking,
disposalCount = _dependenciesCount,
isInitial = pure ? undefined : !_dependenciesCount;
ko.dependencyDetection.begin({
callback: function(subscribable, id) {
if (!_isDisposed) {
if (disposalCount && disposalCandidates[id]) {
addDependencyTracking(id, subscribable, disposalCandidates[id]);
delete disposalCandidates[id];
--disposalCount;
} else if (!dependencyTracking[id]) {
addDependencyTracking(id, subscribable, isSleeping ? {_target: subscribable} : subscribable.subscribe(evaluatePossiblyAsync));
}
}
},
computed: dependentObservable,
isInitial: isInitial
});
dependencyTracking = {};
_dependenciesCount = 0;
try {
var newValue = evaluatorFunctionTarget ? readFunction.call(evaluatorFunctionTarget) : readFunction();
} finally {
ko.dependencyDetection.end();
if (disposalCount && !isSleeping) {
ko.utils.objectForEach(disposalCandidates, function(id, toDispose) {
if (toDispose.dispose)
toDispose.dispose();
});
}
_needsEvaluation = false;
}
if (dependentObservable.isDifferent(_latestValue, newValue)) {
if (!isSleeping) {
notify(_latestValue, "beforeChange");
}
_latestValue = newValue;
if (DEBUG)
dependentObservable._latestValue = _latestValue;
if (isSleeping) {
dependentObservable.updateVersion();
} else if (notifyChange) {
notify(_latestValue);
}
}
if (isInitial) {
notify(_latestValue, "awake");
}
} finally {
_isBeingEvaluated = false;
}
if (!_dependenciesCount)
dispose();
}
function dependentObservable() {
if (arguments.length > 0) {
if (typeof writeFunction === "function") {
writeFunction.apply(evaluatorFunctionTarget, arguments);
} else {
throw new Error("Cannot write a value to a ko.computed unless you specify a 'write' option. If you wish to read the current value, don't pass any parameters.");
}
return this;
} else {
ko.dependencyDetection.registerDependency(dependentObservable);
if (_needsEvaluation || (isSleeping && haveDependenciesChanged())) {
evaluateImmediate();
}
return _latestValue;
}
}
function peek() {
if ((_needsEvaluation && !_dependenciesCount) || (isSleeping && haveDependenciesChanged())) {
evaluateImmediate();
}
return _latestValue;
}
function isActive() {
return _needsEvaluation || _dependenciesCount > 0;
}
function notify(value, event) {
dependentObservable["notifySubscribers"](value, event);
}
var writeFunction = options["write"],
disposeWhenNodeIsRemoved = options["disposeWhenNodeIsRemoved"] || options.disposeWhenNodeIsRemoved || null,
disposeWhenOption = options["disposeWhen"] || options.disposeWhen,
disposeWhen = disposeWhenOption,
dispose = disposeComputed,
dependencyTracking = {},
_dependenciesCount = 0,
evaluationTimeoutInstance = null;
if (!evaluatorFunctionTarget)
evaluatorFunctionTarget = options["owner"];
ko.subscribable.call(dependentObservable);
ko.utils.setPrototypeOfOrExtend(dependentObservable, ko.dependentObservable['fn']);
dependentObservable.peek = peek;
dependentObservable.getDependenciesCount = function() {
return _dependenciesCount;
};
dependentObservable.hasWriteFunction = typeof writeFunction === "function";
dependentObservable.dispose = function() {
dispose();
};
dependentObservable.isActive = isActive;
var originalLimit = dependentObservable.limit;
dependentObservable.limit = function(limitFunction) {
originalLimit.call(dependentObservable, limitFunction);
dependentObservable._evalRateLimited = function() {
dependentObservable._rateLimitedBeforeChange(_latestValue);
_needsEvaluation = true;
dependentObservable._rateLimitedChange(dependentObservable);
};
};
if (options['pure']) {
pure = true;
isSleeping = true;
dependentObservable.beforeSubscriptionAdd = function(event) {
if (!_isDisposed && isSleeping && event == 'change') {
isSleeping = false;
if (_needsEvaluation || haveDependenciesChanged()) {
dependencyTracking = null;
_dependenciesCount = 0;
_needsEvaluation = true;
evaluateImmediate();
} else {
var dependeciesOrder = [];
ko.utils.objectForEach(dependencyTracking, function(id, dependency) {
dependeciesOrder[dependency._order] = id;
});
ko.utils.arrayForEach(dependeciesOrder, function(id, order) {
var dependency = dependencyTracking[id],
subscription = dependency._target.subscribe(evaluatePossiblyAsync);
subscription._order = order;
subscription._version = dependency._version;
dependencyTracking[id] = subscription;
});
}
if (!_isDisposed) {
notify(_latestValue, "awake");
}
}
};
dependentObservable.afterSubscriptionRemove = function(event) {
if (!_isDisposed && event == 'change' && !dependentObservable.hasSubscriptionsForEvent('change')) {
ko.utils.objectForEach(dependencyTracking, function(id, dependency) {
if (dependency.dispose) {
dependencyTracking[id] = {
_target: dependency._target,
_order: dependency._order,
_version: dependency._version
};
dependency.dispose();
}
});
isSleeping = true;
notify(undefined, "asleep");
}
};
dependentObservable._originalGetVersion = dependentObservable.getVersion;
dependentObservable.getVersion = function() {
if (isSleeping && (_needsEvaluation || haveDependenciesChanged())) {
evaluateImmediate();
}
return dependentObservable._originalGetVersion();
};
} else if (options['deferEvaluation']) {
dependentObservable.beforeSubscriptionAdd = function(event) {
if (event == 'change' || event == 'beforeChange') {
peek();
}
};
}
ko.exportProperty(dependentObservable, 'peek', dependentObservable.peek);
ko.exportProperty(dependentObservable, 'dispose', dependentObservable.dispose);
ko.exportProperty(dependentObservable, 'isActive', dependentObservable.isActive);
ko.exportProperty(dependentObservable, 'getDependenciesCount', dependentObservable.getDependenciesCount);
if (disposeWhenNodeIsRemoved) {
_suppressDisposalUntilDisposeWhenReturnsFalse = true;
if (disposeWhenNodeIsRemoved.nodeType) {
disposeWhen = function() {
return !ko.utils.domNodeIsAttachedToDocument(disposeWhenNodeIsRemoved) || (disposeWhenOption && disposeWhenOption());
};
}
}
if (!isSleeping && !options['deferEvaluation'])
evaluateImmediate();
if (disposeWhenNodeIsRemoved && isActive() && disposeWhenNodeIsRemoved.nodeType) {
dispose = function() {
ko.utils.domNodeDisposal.removeDisposeCallback(disposeWhenNodeIsRemoved, dispose);
disposeComputed();
};
ko.utils.domNodeDisposal.addDisposeCallback(disposeWhenNodeIsRemoved, dispose);
}
return dependentObservable;
};
ko.isComputed = function(instance) {
return ko.hasPrototype(instance, ko.dependentObservable);
};
var protoProp = ko.observable.protoProperty;
ko.dependentObservable[protoProp] = ko.observable;
ko.dependentObservable['fn'] = {"equalityComparer": valuesArePrimitiveAndEqual};
ko.dependentObservable['fn'][protoProp] = ko.dependentObservable;
if (ko.utils.canSetPrototype) {
ko.utils.setPrototypeOf(ko.dependentObservable['fn'], ko.subscribable['fn']);
}
ko.exportSymbol('dependentObservable', ko.dependentObservable);
ko.exportSymbol('computed', ko.dependentObservable);
ko.exportSymbol('isComputed', ko.isComputed);
ko.pureComputed = function(evaluatorFunctionOrOptions, evaluatorFunctionTarget) {
if (typeof evaluatorFunctionOrOptions === 'function') {
return ko.computed(evaluatorFunctionOrOptions, evaluatorFunctionTarget, {'pure': true});
} else {
evaluatorFunctionOrOptions = ko.utils.extend({}, evaluatorFunctionOrOptions);
evaluatorFunctionOrOptions['pure'] = true;
return ko.computed(evaluatorFunctionOrOptions, evaluatorFunctionTarget);
}
};
ko.exportSymbol('pureComputed', ko.pureComputed);
(function() {
var maxNestedObservableDepth = 10;
ko.toJS = function(rootObject) {
if (arguments.length == 0)
throw new Error("When calling ko.toJS, pass the object you want to convert.");
return mapJsObjectGraph(rootObject, function(valueToMap) {
for (var i = 0; ko.isObservable(valueToMap) && (i < maxNestedObservableDepth); i++)
valueToMap = valueToMap();
return valueToMap;
});
};
ko.toJSON = function(rootObject, replacer, space) {
var plainJavaScriptObject = ko.toJS(rootObject);
return ko.utils.stringifyJson(plainJavaScriptObject, replacer, space);
};
function mapJsObjectGraph(rootObject, mapInputCallback, visitedObjects) {
visitedObjects = visitedObjects || new objectLookup();
rootObject = mapInputCallback(rootObject);
var canHaveProperties = (typeof rootObject == "object") && (rootObject !== null) && (rootObject !== undefined) && (!(rootObject instanceof Date)) && (!(rootObject instanceof String)) && (!(rootObject instanceof Number)) && (!(rootObject instanceof Boolean));
if (!canHaveProperties)
return rootObject;
var outputProperties = rootObject instanceof Array ? [] : {};
visitedObjects.save(rootObject, outputProperties);
visitPropertiesOrArrayEntries(rootObject, function(indexer) {
var propertyValue = mapInputCallback(rootObject[indexer]);
switch (typeof propertyValue) {
case "boolean":
case "number":
case "string":
case "function":
outputProperties[indexer] = propertyValue;
break;
case "object":
case "undefined":
var previouslyMappedValue = visitedObjects.get(propertyValue);
outputProperties[indexer] = (previouslyMappedValue !== undefined) ? previouslyMappedValue : mapJsObjectGraph(propertyValue, mapInputCallback, visitedObjects);
break;
}
});
return outputProperties;
}
function visitPropertiesOrArrayEntries(rootObject, visitorCallback) {
if (rootObject instanceof Array) {
for (var i = 0; i < rootObject.length; i++)
visitorCallback(i);
if (typeof rootObject['toJSON'] == 'function')
visitorCallback('toJSON');
} else {
for (var propertyName in rootObject) {
visitorCallback(propertyName);
}
}
}
;
function objectLookup() {
this.keys = [];
this.values = [];
}
;
objectLookup.prototype = {
constructor: objectLookup,
save: function(key, value) {
var existingIndex = ko.utils.arrayIndexOf(this.keys, key);
if (existingIndex >= 0)
this.values[existingIndex] = value;
else {
this.keys.push(key);
this.values.push(value);
}
},
get: function(key) {
var existingIndex = ko.utils.arrayIndexOf(this.keys, key);
return (existingIndex >= 0) ? this.values[existingIndex] : undefined;
}
};
})();
ko.exportSymbol('toJS', ko.toJS);
ko.exportSymbol('toJSON', ko.toJSON);
(function() {
var hasDomDataExpandoProperty = '__ko__hasDomDataOptionValue__';
ko.selectExtensions = {
readValue: function(element) {
switch (ko.utils.tagNameLower(element)) {
case 'option':
if (element[hasDomDataExpandoProperty] === true)
return ko.utils.domData.get(element, ko.bindingHandlers.options.optionValueDomDataKey);
return ko.utils.ieVersion <= 7 ? (element.getAttributeNode('value') && element.getAttributeNode('value').specified ? element.value : element.text) : element.value;
case 'select':
return element.selectedIndex >= 0 ? ko.selectExtensions.readValue(element.options[element.selectedIndex]) : undefined;
default:
return element.value;
}
},
writeValue: function(element, value, allowUnset) {
switch (ko.utils.tagNameLower(element)) {
case 'option':
switch (typeof value) {
case "string":
ko.utils.domData.set(element, ko.bindingHandlers.options.optionValueDomDataKey, undefined);
if (hasDomDataExpandoProperty in element) {
delete element[hasDomDataExpandoProperty];
}
element.value = value;
break;
default:
ko.utils.domData.set(element, ko.bindingHandlers.options.optionValueDomDataKey, value);
element[hasDomDataExpandoProperty] = true;
element.value = typeof value === "number" ? value : "";
break;
}
break;
case 'select':
if (value === "" || value === null)
value = undefined;
var selection = -1;
for (var i = 0,
n = element.options.length,
optionValue; i < n; ++i) {
optionValue = ko.selectExtensions.readValue(element.options[i]);
if (optionValue == value || (optionValue == "" && value === undefined)) {
selection = i;
break;
}
}
if (allowUnset || selection >= 0 || (value === undefined && element.size > 1)) {
element.selectedIndex = selection;
}
break;
default:
if ((value === null) || (value === undefined))
value = "";
element.value = value;
break;
}
}
};
})();
ko.exportSymbol('selectExtensions', ko.selectExtensions);
ko.exportSymbol('selectExtensions.readValue', ko.selectExtensions.readValue);
ko.exportSymbol('selectExtensions.writeValue', ko.selectExtensions.writeValue);
ko.expressionRewriting = (function() {
var javaScriptReservedWords = ["true", "false", "null", "undefined"];
var javaScriptAssignmentTarget = /^(?:[$_a-z][$\w]*|(.+)(\.\s*[$_a-z][$\w]*|\[.+\]))$/i;
function getWriteableValue(expression) {
if (ko.utils.arrayIndexOf(javaScriptReservedWords, expression) >= 0)
return false;
var match = expression.match(javaScriptAssignmentTarget);
return match === null ? false : match[1] ? ('Object(' + match[1] + ')' + match[2]) : expression;
}
var stringDouble = '"(?:[^"\\\\]|\\\\.)*"',
stringSingle = "'(?:[^'\\\\]|\\\\.)*'",
stringRegexp = '/(?:[^/\\\\]|\\\\.)*/\w*',
specials = ',"\'{}()/:[\\]',
everyThingElse = '[^\\s:,/][^' + specials + ']*[^\\s' + specials + ']',
oneNotSpace = '[^\\s]',
bindingToken = RegExp(stringDouble + '|' + stringSingle + '|' + stringRegexp + '|' + everyThingElse + '|' + oneNotSpace, 'g'),
divisionLookBehind = /[\])"'A-Za-z0-9_$]+$/,
keywordRegexLookBehind = {
'in': 1,
'return': 1,
'typeof': 1
};
function parseObjectLiteral(objectLiteralString) {
var str = ko.utils.stringTrim(objectLiteralString);
if (str.charCodeAt(0) === 123)
str = str.slice(1, -1);
var result = [],
toks = str.match(bindingToken),
key,
values = [],
depth = 0;
if (toks) {
toks.push(',');
for (var i = 0,
tok; tok = toks[i]; ++i) {
var c = tok.charCodeAt(0);
if (c === 44) {
if (depth <= 0) {
result.push((key && values.length) ? {
key: key,
value: values.join('')
} : {'unknown': key || values.join('')});
key = depth = 0;
values = [];
continue;
}
} else if (c === 58) {
if (!depth && !key && values.length === 1) {
key = values.pop();
continue;
}
} else if (c === 47 && i && tok.length > 1) {
var match = toks[i - 1].match(divisionLookBehind);
if (match && !keywordRegexLookBehind[match[0]]) {
str = str.substr(str.indexOf(tok) + 1);
toks = str.match(bindingToken);
toks.push(',');
i = -1;
tok = '/';
}
} else if (c === 40 || c === 123 || c === 91) {
++depth;
} else if (c === 41 || c === 125 || c === 93) {
--depth;
} else if (!key && !values.length && (c === 34 || c === 39)) {
tok = tok.slice(1, -1);
}
values.push(tok);
}
}
return result;
}
var twoWayBindings = {};
function preProcessBindings(bindingsStringOrKeyValueArray, bindingOptions) {
bindingOptions = bindingOptions || {};
function processKeyValue(key, val) {
var writableVal;
function callPreprocessHook(obj) {
return (obj && obj['preprocess']) ? (val = obj['preprocess'](val, key, processKeyValue)) : true;
}
if (!bindingParams) {
if (!callPreprocessHook(ko['getBindingHandler'](key)))
return;
if (twoWayBindings[key] && (writableVal = getWriteableValue(val))) {
propertyAccessorResultStrings.push("'" + key + "':function(_z){" + writableVal + "=_z}");
}
}
if (makeValueAccessors) {
val = 'function(){return ' + val + ' }';
}
resultStrings.push("'" + key + "':" + val);
}
var resultStrings = [],
propertyAccessorResultStrings = [],
makeValueAccessors = bindingOptions['valueAccessors'],
bindingParams = bindingOptions['bindingParams'],
keyValueArray = typeof bindingsStringOrKeyValueArray === "string" ? parseObjectLiteral(bindingsStringOrKeyValueArray) : bindingsStringOrKeyValueArray;
ko.utils.arrayForEach(keyValueArray, function(keyValue) {
processKeyValue(keyValue.key || keyValue['unknown'], keyValue.value);
});
if (propertyAccessorResultStrings.length)
processKeyValue('_ko_property_writers', "{" + propertyAccessorResultStrings.join(",") + " }");
return resultStrings.join(",");
}
return {
bindingRewriteValidators: [],
twoWayBindings: twoWayBindings,
parseObjectLiteral: parseObjectLiteral,
preProcessBindings: preProcessBindings,
keyValueArrayContainsKey: function(keyValueArray, key) {
for (var i = 0; i < keyValueArray.length; i++)
if (keyValueArray[i]['key'] == key)
return true;
return false;
},
writeValueToProperty: function(property, allBindings, key, value, checkIfDifferent) {
if (!property || !ko.isObservable(property)) {
var propWriters = allBindings.get('_ko_property_writers');
if (propWriters && propWriters[key])
propWriters[key](value);
} else if (ko.isWriteableObservable(property) && (!checkIfDifferent || property.peek() !== value)) {
property(value);
}
}
};
})();
ko.exportSymbol('expressionRewriting', ko.expressionRewriting);
ko.exportSymbol('expressionRewriting.bindingRewriteValidators', ko.expressionRewriting.bindingRewriteValidators);
ko.exportSymbol('expressionRewriting.parseObjectLiteral', ko.expressionRewriting.parseObjectLiteral);
ko.exportSymbol('expressionRewriting.preProcessBindings', ko.expressionRewriting.preProcessBindings);
ko.exportSymbol('expressionRewriting._twoWayBindings', ko.expressionRewriting.twoWayBindings);
ko.exportSymbol('jsonExpressionRewriting', ko.expressionRewriting);
ko.exportSymbol('jsonExpressionRewriting.insertPropertyAccessorsIntoJson', ko.expressionRewriting.preProcessBindings);
(function() {
var commentNodesHaveTextProperty = document && document.createComment("test").text === "<!--test-->";
var startCommentRegex = commentNodesHaveTextProperty ? /^<!--\s*ko(?:\s+([\s\S]+))?\s*-->$/ : /^\s*ko(?:\s+([\s\S]+))?\s*$/;
var endCommentRegex = commentNodesHaveTextProperty ? /^<!--\s*\/ko\s*-->$/ : /^\s*\/ko\s*$/;
var htmlTagsWithOptionallyClosingChildren = {
'ul': true,
'ol': true
};
function isStartComment(node) {
return (node.nodeType == 8) && startCommentRegex.test(commentNodesHaveTextProperty ? node.text : node.nodeValue);
}
function isEndComment(node) {
return (node.nodeType == 8) && endCommentRegex.test(commentNodesHaveTextProperty ? node.text : node.nodeValue);
}
function getVirtualChildren(startComment, allowUnbalanced) {
var currentNode = startComment;
var depth = 1;
var children = [];
while (currentNode = currentNode.nextSibling) {
if (isEndComment(currentNode)) {
depth--;
if (depth === 0)
return children;
}
children.push(currentNode);
if (isStartComment(currentNode))
depth++;
}
if (!allowUnbalanced)
throw new Error("Cannot find closing comment tag to match: " + startComment.nodeValue);
return null;
}
function getMatchingEndComment(startComment, allowUnbalanced) {
var allVirtualChildren = getVirtualChildren(startComment, allowUnbalanced);
if (allVirtualChildren) {
if (allVirtualChildren.length > 0)
return allVirtualChildren[allVirtualChildren.length - 1].nextSibling;
return startComment.nextSibling;
} else
return null;
}
function getUnbalancedChildTags(node) {
var childNode = node.firstChild,
captureRemaining = null;
if (childNode) {
do {
if (captureRemaining)
captureRemaining.push(childNode);
else if (isStartComment(childNode)) {
var matchingEndComment = getMatchingEndComment(childNode, true);
if (matchingEndComment)
childNode = matchingEndComment;
else
captureRemaining = [childNode];
} else if (isEndComment(childNode)) {
captureRemaining = [childNode];
}
} while (childNode = childNode.nextSibling);
}
return captureRemaining;
}
ko.virtualElements = {
allowedBindings: {},
childNodes: function(node) {
return isStartComment(node) ? getVirtualChildren(node) : node.childNodes;
},
emptyNode: function(node) {
if (!isStartComment(node))
ko.utils.emptyDomNode(node);
else {
var virtualChildren = ko.virtualElements.childNodes(node);
for (var i = 0,
j = virtualChildren.length; i < j; i++)
ko.removeNode(virtualChildren[i]);
}
},
setDomNodeChildren: function(node, childNodes) {
if (!isStartComment(node))
ko.utils.setDomNodeChildren(node, childNodes);
else {
ko.virtualElements.emptyNode(node);
var endCommentNode = node.nextSibling;
for (var i = 0,
j = childNodes.length; i < j; i++)
endCommentNode.parentNode.insertBefore(childNodes[i], endCommentNode);
}
},
prepend: function(containerNode, nodeToPrepend) {
if (!isStartComment(containerNode)) {
if (containerNode.firstChild)
containerNode.insertBefore(nodeToPrepend, containerNode.firstChild);
else
containerNode.appendChild(nodeToPrepend);
} else {
containerNode.parentNode.insertBefore(nodeToPrepend, containerNode.nextSibling);
}
},
insertAfter: function(containerNode, nodeToInsert, insertAfterNode) {
if (!insertAfterNode) {
ko.virtualElements.prepend(containerNode, nodeToInsert);
} else if (!isStartComment(containerNode)) {
if (insertAfterNode.nextSibling)
containerNode.insertBefore(nodeToInsert, insertAfterNode.nextSibling);
else
containerNode.appendChild(nodeToInsert);
} else {
containerNode.parentNode.insertBefore(nodeToInsert, insertAfterNode.nextSibling);
}
},
firstChild: function(node) {
if (!isStartComment(node))
return node.firstChild;
if (!node.nextSibling || isEndComment(node.nextSibling))
return null;
return node.nextSibling;
},
nextSibling: function(node) {
if (isStartComment(node))
node = getMatchingEndComment(node);
if (node.nextSibling && isEndComment(node.nextSibling))
return null;
return node.nextSibling;
},
hasBindingValue: isStartComment,
virtualNodeBindingValue: function(node) {
var regexMatch = (commentNodesHaveTextProperty ? node.text : node.nodeValue).match(startCommentRegex);
return regexMatch ? regexMatch[1] : null;
},
normaliseVirtualElementDomStructure: function(elementVerified) {
if (!htmlTagsWithOptionallyClosingChildren[ko.utils.tagNameLower(elementVerified)])
return;
var childNode = elementVerified.firstChild;
if (childNode) {
do {
if (childNode.nodeType === 1) {
var unbalancedTags = getUnbalancedChildTags(childNode);
if (unbalancedTags) {
var nodeToInsertBefore = childNode.nextSibling;
for (var i = 0; i < unbalancedTags.length; i++) {
if (nodeToInsertBefore)
elementVerified.insertBefore(unbalancedTags[i], nodeToInsertBefore);
else
elementVerified.appendChild(unbalancedTags[i]);
}
}
}
} while (childNode = childNode.nextSibling);
}
}
};
})();
ko.exportSymbol('virtualElements', ko.virtualElements);
ko.exportSymbol('virtualElements.allowedBindings', ko.virtualElements.allowedBindings);
ko.exportSymbol('virtualElements.emptyNode', ko.virtualElements.emptyNode);
ko.exportSymbol('virtualElements.insertAfter', ko.virtualElements.insertAfter);
ko.exportSymbol('virtualElements.prepend', ko.virtualElements.prepend);
ko.exportSymbol('virtualElements.setDomNodeChildren', ko.virtualElements.setDomNodeChildren);
(function() {
var defaultBindingAttributeName = "data-bind";
ko.bindingProvider = function() {
this.bindingCache = {};
};
ko.utils.extend(ko.bindingProvider.prototype, {
'nodeHasBindings': function(node) {
switch (node.nodeType) {
case 1:
return node.getAttribute(defaultBindingAttributeName) != null || ko.components['getComponentNameForNode'](node);
case 8:
return ko.virtualElements.hasBindingValue(node);
default:
return false;
}
},
'getBindings': function(node, bindingContext) {
var bindingsString = this['getBindingsString'](node, bindingContext),
parsedBindings = bindingsString ? this['parseBindingsString'](bindingsString, bindingContext, node) : null;
return ko.components.addBindingsForCustomElement(parsedBindings, node, bindingContext, false);
},
'getBindingAccessors': function(node, bindingContext) {
var bindingsString = this['getBindingsString'](node, bindingContext),
parsedBindings = bindingsString ? this['parseBindingsString'](bindingsString, bindingContext, node, {'valueAccessors': true}) : null;
return ko.components.addBindingsForCustomElement(parsedBindings, node, bindingContext, true);
},
'getBindingsString': function(node, bindingContext) {
switch (node.nodeType) {
case 1:
return node.getAttribute(defaultBindingAttributeName);
case 8:
return ko.virtualElements.virtualNodeBindingValue(node);
default:
return null;
}
},
'parseBindingsString': function(bindingsString, bindingContext, node, options) {
try {
var bindingFunction = createBindingsStringEvaluatorViaCache(bindingsString, this.bindingCache, options);
return bindingFunction(bindingContext, node);
} catch (ex) {
ex.message = "Unable to parse bindings.\nBindings value: " + bindingsString + "\nMessage: " + ex.message;
throw ex;
}
}
});
ko.bindingProvider['instance'] = new ko.bindingProvider();
function createBindingsStringEvaluatorViaCache(bindingsString, cache, options) {
var cacheKey = bindingsString + (options && options['valueAccessors'] || '');
return cache[cacheKey] || (cache[cacheKey] = createBindingsStringEvaluator(bindingsString, options));
}
function createBindingsStringEvaluator(bindingsString, options) {
var rewrittenBindings = ko.expressionRewriting.preProcessBindings(bindingsString, options),
functionBody = "with($context){with($data||{}){return{" + rewrittenBindings + "}}}";
return new Function("$context", "$element", functionBody);
}
})();
ko.exportSymbol('bindingProvider', ko.bindingProvider);
(function() {
ko.bindingHandlers = {};
var bindingDoesNotRecurseIntoElementTypes = {
'script': true,
'textarea': true
};
ko['getBindingHandler'] = function(bindingKey) {
return ko.bindingHandlers[bindingKey];
};
ko.bindingContext = function(dataItemOrAccessor, parentContext, dataItemAlias, extendCallback) {
function updateContext() {
var dataItemOrObservable = isFunc ? dataItemOrAccessor() : dataItemOrAccessor,
dataItem = ko.utils.unwrapObservable(dataItemOrObservable);
if (parentContext) {
if (parentContext._subscribable)
parentContext._subscribable();
ko.utils.extend(self, parentContext);
if (subscribable) {
self._subscribable = subscribable;
}
} else {
self['$parents'] = [];
self['$root'] = dataItem;
self['ko'] = ko;
}
self['$rawData'] = dataItemOrObservable;
self['$data'] = dataItem;
if (dataItemAlias)
self[dataItemAlias] = dataItem;
if (extendCallback)
extendCallback(self, parentContext, dataItem);
return self['$data'];
}
function disposeWhen() {
return nodes && !ko.utils.anyDomNodeIsAttachedToDocument(nodes);
}
var self = this,
isFunc = typeof(dataItemOrAccessor) == "function" && !ko.isObservable(dataItemOrAccessor),
nodes,
subscribable = ko.dependentObservable(updateContext, null, {
disposeWhen: disposeWhen,
disposeWhenNodeIsRemoved: true
});
if (subscribable.isActive()) {
self._subscribable = subscribable;
subscribable['equalityComparer'] = null;
nodes = [];
subscribable._addNode = function(node) {
nodes.push(node);
ko.utils.domNodeDisposal.addDisposeCallback(node, function(node) {
ko.utils.arrayRemoveItem(nodes, node);
if (!nodes.length) {
subscribable.dispose();
self._subscribable = subscribable = undefined;
}
});
};
}
};
ko.bindingContext.prototype['createChildContext'] = function(dataItemOrAccessor, dataItemAlias, extendCallback) {
return new ko.bindingContext(dataItemOrAccessor, this, dataItemAlias, function(self, parentContext) {
self['$parentContext'] = parentContext;
self['$parent'] = parentContext['$data'];
self['$parents'] = (parentContext['$parents'] || []).slice(0);
self['$parents'].unshift(self['$parent']);
if (extendCallback)
extendCallback(self);
});
};
ko.bindingContext.prototype['extend'] = function(properties) {
return new ko.bindingContext(this._subscribable || this['$data'], this, null, function(self, parentContext) {
self['$rawData'] = parentContext['$rawData'];
ko.utils.extend(self, typeof(properties) == "function" ? properties() : properties);
});
};
function makeValueAccessor(value) {
return function() {
return value;
};
}
function evaluateValueAccessor(valueAccessor) {
return valueAccessor();
}
function makeAccessorsFromFunction(callback) {
return ko.utils.objectMap(ko.dependencyDetection.ignore(callback), function(value, key) {
return function() {
return callback()[key];
};
});
}
function makeBindingAccessors(bindings, context, node) {
if (typeof bindings === 'function') {
return makeAccessorsFromFunction(bindings.bind(null, context, node));
} else {
return ko.utils.objectMap(bindings, makeValueAccessor);
}
}
function getBindingsAndMakeAccessors(node, context) {
return makeAccessorsFromFunction(this['getBindings'].bind(this, node, context));
}
function validateThatBindingIsAllowedForVirtualElements(bindingName) {
var validator = ko.virtualElements.allowedBindings[bindingName];
if (!validator)
throw new Error("The binding '" + bindingName + "' cannot be used with virtual elements");
}
function applyBindingsToDescendantsInternal(bindingContext, elementOrVirtualElement, bindingContextsMayDifferFromDomParentElement) {
var currentChild,
nextInQueue = ko.virtualElements.firstChild(elementOrVirtualElement),
provider = ko.bindingProvider['instance'],
preprocessNode = provider['preprocessNode'];
if (preprocessNode) {
while (currentChild = nextInQueue) {
nextInQueue = ko.virtualElements.nextSibling(currentChild);
preprocessNode.call(provider, currentChild);
}
nextInQueue = ko.virtualElements.firstChild(elementOrVirtualElement);
}
while (currentChild = nextInQueue) {
nextInQueue = ko.virtualElements.nextSibling(currentChild);
applyBindingsToNodeAndDescendantsInternal(bindingContext, currentChild, bindingContextsMayDifferFromDomParentElement);
}
}
function applyBindingsToNodeAndDescendantsInternal(bindingContext, nodeVerified, bindingContextMayDifferFromDomParentElement) {
var shouldBindDescendants = true;
var isElement = (nodeVerified.nodeType === 1);
if (isElement)
ko.virtualElements.normaliseVirtualElementDomStructure(nodeVerified);
var shouldApplyBindings = (isElement && bindingContextMayDifferFromDomParentElement) || ko.bindingProvider['instance']['nodeHasBindings'](nodeVerified);
if (shouldApplyBindings)
shouldBindDescendants = applyBindingsToNodeInternal(nodeVerified, null, bindingContext, bindingContextMayDifferFromDomParentElement)['shouldBindDescendants'];
if (shouldBindDescendants && !bindingDoesNotRecurseIntoElementTypes[ko.utils.tagNameLower(nodeVerified)]) {
applyBindingsToDescendantsInternal(bindingContext, nodeVerified, !isElement);
}
}
var boundElementDomDataKey = ko.utils.domData.nextKey();
function topologicalSortBindings(bindings) {
var result = [],
bindingsConsidered = {},
cyclicDependencyStack = [];
ko.utils.objectForEach(bindings, function pushBinding(bindingKey) {
if (!bindingsConsidered[bindingKey]) {
var binding = ko['getBindingHandler'](bindingKey);
if (binding) {
if (binding['after']) {
cyclicDependencyStack.push(bindingKey);
ko.utils.arrayForEach(binding['after'], function(bindingDependencyKey) {
if (bindings[bindingDependencyKey]) {
if (ko.utils.arrayIndexOf(cyclicDependencyStack, bindingDependencyKey) !== -1) {
throw Error("Cannot combine the following bindings, because they have a cyclic dependency: " + cyclicDependencyStack.join(", "));
} else {
pushBinding(bindingDependencyKey);
}
}
});
cyclicDependencyStack.length--;
}
result.push({
key: bindingKey,
handler: binding
});
}
bindingsConsidered[bindingKey] = true;
}
});
return result;
}
function applyBindingsToNodeInternal(node, sourceBindings, bindingContext, bindingContextMayDifferFromDomParentElement) {
var alreadyBound = ko.utils.domData.get(node, boundElementDomDataKey);
if (!sourceBindings) {
if (alreadyBound) {
throw Error("You cannot apply bindings multiple times to the same element.");
}
ko.utils.domData.set(node, boundElementDomDataKey, true);
}
if (!alreadyBound && bindingContextMayDifferFromDomParentElement)
ko.storedBindingContextForNode(node, bindingContext);
var bindings;
if (sourceBindings && typeof sourceBindings !== 'function') {
bindings = sourceBindings;
} else {
var provider = ko.bindingProvider['instance'],
getBindings = provider['getBindingAccessors'] || getBindingsAndMakeAccessors;
var bindingsUpdater = ko.dependentObservable(function() {
bindings = sourceBindings ? sourceBindings(bindingContext, node) : getBindings.call(provider, node, bindingContext);
if (bindings && bindingContext._subscribable)
bindingContext._subscribable();
return bindings;
}, null, {disposeWhenNodeIsRemoved: node});
if (!bindings || !bindingsUpdater.isActive())
bindingsUpdater = null;
}
var bindingHandlerThatControlsDescendantBindings;
if (bindings) {
var getValueAccessor = bindingsUpdater ? function(bindingKey) {
return function() {
return evaluateValueAccessor(bindingsUpdater()[bindingKey]);
};
} : function(bindingKey) {
return bindings[bindingKey];
};
function allBindings() {
return ko.utils.objectMap(bindingsUpdater ? bindingsUpdater() : bindings, evaluateValueAccessor);
}
allBindings['get'] = function(key) {
return bindings[key] && evaluateValueAccessor(getValueAccessor(key));
};
allBindings['has'] = function(key) {
return key in bindings;
};
var orderedBindings = topologicalSortBindings(bindings);
ko.utils.arrayForEach(orderedBindings, function(bindingKeyAndHandler) {
var handlerInitFn = bindingKeyAndHandler.handler["init"],
handlerUpdateFn = bindingKeyAndHandler.handler["update"],
bindingKey = bindingKeyAndHandler.key;
if (node.nodeType === 8) {
validateThatBindingIsAllowedForVirtualElements(bindingKey);
}
try {
if (typeof handlerInitFn == "function") {
ko.dependencyDetection.ignore(function() {
var initResult = handlerInitFn(node, getValueAccessor(bindingKey), allBindings, bindingContext['$data'], bindingContext);
if (initResult && initResult['controlsDescendantBindings']) {
if (bindingHandlerThatControlsDescendantBindings !== undefined)
throw new Error("Multiple bindings (" + bindingHandlerThatControlsDescendantBindings + " and " + bindingKey + ") are trying to control descendant bindings of the same element. You cannot use these bindings together on the same element.");
bindingHandlerThatControlsDescendantBindings = bindingKey;
}
});
}
if (typeof handlerUpdateFn == "function") {
ko.dependentObservable(function() {
handlerUpdateFn(node, getValueAccessor(bindingKey), allBindings, bindingContext['$data'], bindingContext);
}, null, {disposeWhenNodeIsRemoved: node});
}
} catch (ex) {
ex.message = "Unable to process binding \"" + bindingKey + ": " + bindings[bindingKey] + "\"\nMessage: " + ex.message;
throw ex;
}
});
}
return {'shouldBindDescendants': bindingHandlerThatControlsDescendantBindings === undefined};
}
;
var storedBindingContextDomDataKey = ko.utils.domData.nextKey();
ko.storedBindingContextForNode = function(node, bindingContext) {
if (arguments.length == 2) {
ko.utils.domData.set(node, storedBindingContextDomDataKey, bindingContext);
if (bindingContext._subscribable)
bindingContext._subscribable._addNode(node);
} else {
return ko.utils.domData.get(node, storedBindingContextDomDataKey);
}
};
function getBindingContext(viewModelOrBindingContext) {
return viewModelOrBindingContext && (viewModelOrBindingContext instanceof ko.bindingContext) ? viewModelOrBindingContext : new ko.bindingContext(viewModelOrBindingContext);
}
ko.applyBindingAccessorsToNode = function(node, bindings, viewModelOrBindingContext) {
if (node.nodeType === 1)
ko.virtualElements.normaliseVirtualElementDomStructure(node);
return applyBindingsToNodeInternal(node, bindings, getBindingContext(viewModelOrBindingContext), true);
};
ko.applyBindingsToNode = function(node, bindings, viewModelOrBindingContext) {
var context = getBindingContext(viewModelOrBindingContext);
return ko.applyBindingAccessorsToNode(node, makeBindingAccessors(bindings, context, node), context);
};
ko.applyBindingsToDescendants = function(viewModelOrBindingContext, rootNode) {
if (rootNode.nodeType === 1 || rootNode.nodeType === 8)
applyBindingsToDescendantsInternal(getBindingContext(viewModelOrBindingContext), rootNode, true);
};
ko.applyBindings = function(viewModelOrBindingContext, rootNode) {
if (!jQueryInstance && window['jQuery']) {
jQueryInstance = window['jQuery'];
}
if (rootNode && (rootNode.nodeType !== 1) && (rootNode.nodeType !== 8))
throw new Error("ko.applyBindings: first parameter should be your view model; second parameter should be a DOM node");
rootNode = rootNode || window.document.body;
applyBindingsToNodeAndDescendantsInternal(getBindingContext(viewModelOrBindingContext), rootNode, true);
};
ko.contextFor = function(node) {
switch (node.nodeType) {
case 1:
case 8:
var context = ko.storedBindingContextForNode(node);
if (context)
return context;
if (node.parentNode)
return ko.contextFor(node.parentNode);
break;
}
return undefined;
};
ko.dataFor = function(node) {
var context = ko.contextFor(node);
return context ? context['$data'] : undefined;
};
ko.exportSymbol('bindingHandlers', ko.bindingHandlers);
ko.exportSymbol('applyBindings', ko.applyBindings);
ko.exportSymbol('applyBindingsToDescendants', ko.applyBindingsToDescendants);
ko.exportSymbol('applyBindingAccessorsToNode', ko.applyBindingAccessorsToNode);
ko.exportSymbol('applyBindingsToNode', ko.applyBindingsToNode);
ko.exportSymbol('contextFor', ko.contextFor);
ko.exportSymbol('dataFor', ko.dataFor);
})();
(function(undefined) {
var loadingSubscribablesCache = {},
loadedDefinitionsCache = {};
ko.components = {
get: function(componentName, callback) {
var cachedDefinition = getObjectOwnProperty(loadedDefinitionsCache, componentName);
if (cachedDefinition) {
if (cachedDefinition.isSynchronousComponent) {
ko.dependencyDetection.ignore(function() {
callback(cachedDefinition.definition);
});
} else {
setTimeout(function() {
callback(cachedDefinition.definition);
}, 0);
}
} else {
loadComponentAndNotify(componentName, callback);
}
},
clearCachedDefinition: function(componentName) {
delete loadedDefinitionsCache[componentName];
},
_getFirstResultFromLoaders: getFirstResultFromLoaders
};
function getObjectOwnProperty(obj, propName) {
return obj.hasOwnProperty(propName) ? obj[propName] : undefined;
}
function loadComponentAndNotify(componentName, callback) {
var subscribable = getObjectOwnProperty(loadingSubscribablesCache, componentName),
completedAsync;
if (!subscribable) {
subscribable = loadingSubscribablesCache[componentName] = new ko.subscribable();
subscribable.subscribe(callback);
beginLoadingComponent(componentName, function(definition, config) {
var isSynchronousComponent = !!(config && config['synchronous']);
loadedDefinitionsCache[componentName] = {
definition: definition,
isSynchronousComponent: isSynchronousComponent
};
delete loadingSubscribablesCache[componentName];
if (completedAsync || isSynchronousComponent) {
subscribable['notifySubscribers'](definition);
} else {
setTimeout(function() {
subscribable['notifySubscribers'](definition);
}, 0);
}
});
completedAsync = true;
} else {
subscribable.subscribe(callback);
}
}
function beginLoadingComponent(componentName, callback) {
getFirstResultFromLoaders('getConfig', [componentName], function(config) {
if (config) {
getFirstResultFromLoaders('loadComponent', [componentName, config], function(definition) {
callback(definition, config);
});
} else {
callback(null, null);
}
});
}
function getFirstResultFromLoaders(methodName, argsExceptCallback, callback, candidateLoaders) {
if (!candidateLoaders) {
candidateLoaders = ko.components['loaders'].slice(0);
}
var currentCandidateLoader = candidateLoaders.shift();
if (currentCandidateLoader) {
var methodInstance = currentCandidateLoader[methodName];
if (methodInstance) {
var wasAborted = false,
synchronousReturnValue = methodInstance.apply(currentCandidateLoader, argsExceptCallback.concat(function(result) {
if (wasAborted) {
callback(null);
} else if (result !== null) {
callback(result);
} else {
getFirstResultFromLoaders(methodName, argsExceptCallback, callback, candidateLoaders);
}
}));
if (synchronousReturnValue !== undefined) {
wasAborted = true;
if (!currentCandidateLoader['suppressLoaderExceptions']) {
throw new Error('Component loaders must supply values by invoking the callback, not by returning values synchronously.');
}
}
} else {
getFirstResultFromLoaders(methodName, argsExceptCallback, callback, candidateLoaders);
}
} else {
callback(null);
}
}
ko.components['loaders'] = [];
ko.exportSymbol('components', ko.components);
ko.exportSymbol('components.get', ko.components.get);
ko.exportSymbol('components.clearCachedDefinition', ko.components.clearCachedDefinition);
})();
(function(undefined) {
var defaultConfigRegistry = {};
ko.components.register = function(componentName, config) {
if (!config) {
throw new Error('Invalid configuration for ' + componentName);
}
if (ko.components.isRegistered(componentName)) {
throw new Error('Component ' + componentName + ' is already registered');
}
defaultConfigRegistry[componentName] = config;
};
ko.components.isRegistered = function(componentName) {
return componentName in defaultConfigRegistry;
};
ko.components.unregister = function(componentName) {
delete defaultConfigRegistry[componentName];
ko.components.clearCachedDefinition(componentName);
};
ko.components.defaultLoader = {
'getConfig': function(componentName, callback) {
var result = defaultConfigRegistry.hasOwnProperty(componentName) ? defaultConfigRegistry[componentName] : null;
callback(result);
},
'loadComponent': function(componentName, config, callback) {
var errorCallback = makeErrorCallback(componentName);
possiblyGetConfigFromAmd(errorCallback, config, function(loadedConfig) {
resolveConfig(componentName, errorCallback, loadedConfig, callback);
});
},
'loadTemplate': function(componentName, templateConfig, callback) {
resolveTemplate(makeErrorCallback(componentName), templateConfig, callback);
},
'loadViewModel': function(componentName, viewModelConfig, callback) {
resolveViewModel(makeErrorCallback(componentName), viewModelConfig, callback);
}
};
var createViewModelKey = 'createViewModel';
function resolveConfig(componentName, errorCallback, config, callback) {
var result = {},
makeCallBackWhenZero = 2,
tryIssueCallback = function() {
if (--makeCallBackWhenZero === 0) {
callback(result);
}
},
templateConfig = config['template'],
viewModelConfig = config['viewModel'];
if (templateConfig) {
possiblyGetConfigFromAmd(errorCallback, templateConfig, function(loadedConfig) {
ko.components._getFirstResultFromLoaders('loadTemplate', [componentName, loadedConfig], function(resolvedTemplate) {
result['template'] = resolvedTemplate;
tryIssueCallback();
});
});
} else {
tryIssueCallback();
}
if (viewModelConfig) {
possiblyGetConfigFromAmd(errorCallback, viewModelConfig, function(loadedConfig) {
ko.components._getFirstResultFromLoaders('loadViewModel', [componentName, loadedConfig], function(resolvedViewModel) {
result[createViewModelKey] = resolvedViewModel;
tryIssueCallback();
});
});
} else {
tryIssueCallback();
}
}
function resolveTemplate(errorCallback, templateConfig, callback) {
if (typeof templateConfig === 'string') {
callback(ko.utils.parseHtmlFragment(templateConfig));
} else if (templateConfig instanceof Array) {
callback(templateConfig);
} else if (isDocumentFragment(templateConfig)) {
callback(ko.utils.makeArray(templateConfig.childNodes));
} else if (templateConfig['element']) {
var element = templateConfig['element'];
if (isDomElement(element)) {
callback(cloneNodesFromTemplateSourceElement(element));
} else if (typeof element === 'string') {
var elemInstance = document.getElementById(element);
if (elemInstance) {
callback(cloneNodesFromTemplateSourceElement(elemInstance));
} else {
errorCallback('Cannot find element with ID ' + element);
}
} else {
errorCallback('Unknown element type: ' + element);
}
} else {
errorCallback('Unknown template value: ' + templateConfig);
}
}
function resolveViewModel(errorCallback, viewModelConfig, callback) {
if (typeof viewModelConfig === 'function') {
callback(function(params) {
return new viewModelConfig(params);
});
} else if (typeof viewModelConfig[createViewModelKey] === 'function') {
callback(viewModelConfig[createViewModelKey]);
} else if ('instance' in viewModelConfig) {
var fixedInstance = viewModelConfig['instance'];
callback(function(params, componentInfo) {
return fixedInstance;
});
} else if ('viewModel' in viewModelConfig) {
resolveViewModel(errorCallback, viewModelConfig['viewModel'], callback);
} else {
errorCallback('Unknown viewModel value: ' + viewModelConfig);
}
}
function cloneNodesFromTemplateSourceElement(elemInstance) {
switch (ko.utils.tagNameLower(elemInstance)) {
case 'script':
return ko.utils.parseHtmlFragment(elemInstance.text);
case 'textarea':
return ko.utils.parseHtmlFragment(elemInstance.value);
case 'template':
if (isDocumentFragment(elemInstance.content)) {
return ko.utils.cloneNodes(elemInstance.content.childNodes);
}
}
return ko.utils.cloneNodes(elemInstance.childNodes);
}
function isDomElement(obj) {
if (window['HTMLElement']) {
return obj instanceof HTMLElement;
} else {
return obj && obj.tagName && obj.nodeType === 1;
}
}
function isDocumentFragment(obj) {
if (window['DocumentFragment']) {
return obj instanceof DocumentFragment;
} else {
return obj && obj.nodeType === 11;
}
}
function possiblyGetConfigFromAmd(errorCallback, config, callback) {
if (typeof config['require'] === 'string') {
if (amdRequire || window['require']) {
(amdRequire || window['require'])([config['require']], callback);
} else {
errorCallback('Uses require, but no AMD loader is present');
}
} else {
callback(config);
}
}
function makeErrorCallback(componentName) {
return function(message) {
throw new Error('Component \'' + componentName + '\': ' + message);
};
}
ko.exportSymbol('components.register', ko.components.register);
ko.exportSymbol('components.isRegistered', ko.components.isRegistered);
ko.exportSymbol('components.unregister', ko.components.unregister);
ko.exportSymbol('components.defaultLoader', ko.components.defaultLoader);
ko.components['loaders'].push(ko.components.defaultLoader);
ko.components._allRegisteredComponents = defaultConfigRegistry;
})();
(function(undefined) {
ko.components['getComponentNameForNode'] = function(node) {
var tagNameLower = ko.utils.tagNameLower(node);
return ko.components.isRegistered(tagNameLower) && tagNameLower;
};
ko.components.addBindingsForCustomElement = function(allBindings, node, bindingContext, valueAccessors) {
if (node.nodeType === 1) {
var componentName = ko.components['getComponentNameForNode'](node);
if (componentName) {
allBindings = allBindings || {};
if (allBindings['component']) {
throw new Error('Cannot use the "component" binding on a custom element matching a component');
}
var componentBindingValue = {
'name': componentName,
'params': getComponentParamsFromCustomElement(node, bindingContext)
};
allBindings['component'] = valueAccessors ? function() {
return componentBindingValue;
} : componentBindingValue;
}
}
return allBindings;
};
var nativeBindingProviderInstance = new ko.bindingProvider();
function getComponentParamsFromCustomElement(elem, bindingContext) {
var paramsAttribute = elem.getAttribute('params');
if (paramsAttribute) {
var params = nativeBindingProviderInstance['parseBindingsString'](paramsAttribute, bindingContext, elem, {
'valueAccessors': true,
'bindingParams': true
}),
rawParamComputedValues = ko.utils.objectMap(params, function(paramValue, paramName) {
return ko.computed(paramValue, null, {disposeWhenNodeIsRemoved: elem});
}),
result = ko.utils.objectMap(rawParamComputedValues, function(paramValueComputed, paramName) {
var paramValue = paramValueComputed.peek();
if (!paramValueComputed.isActive()) {
return paramValue;
} else {
return ko.computed({
'read': function() {
return ko.utils.unwrapObservable(paramValueComputed());
},
'write': ko.isWriteableObservable(paramValue) && function(value) {
paramValueComputed()(value);
},
disposeWhenNodeIsRemoved: elem
});
}
});
if (!result.hasOwnProperty('$raw')) {
result['$raw'] = rawParamComputedValues;
}
return result;
} else {
return {'$raw': {}};
}
}
if (ko.utils.ieVersion < 9) {
ko.components['register'] = (function(originalFunction) {
return function(componentName) {
document.createElement(componentName);
return originalFunction.apply(this, arguments);
};
})(ko.components['register']);
document.createDocumentFragment = (function(originalFunction) {
return function() {
var newDocFrag = originalFunction(),
allComponents = ko.components._allRegisteredComponents;
for (var componentName in allComponents) {
if (allComponents.hasOwnProperty(componentName)) {
newDocFrag.createElement(componentName);
}
}
return newDocFrag;
};
})(document.createDocumentFragment);
}
})();
(function(undefined) {
var componentLoadingOperationUniqueId = 0;
ko.bindingHandlers['component'] = {'init': function(element, valueAccessor, ignored1, ignored2, bindingContext) {
var currentViewModel,
currentLoadingOperationId,
disposeAssociatedComponentViewModel = function() {
var currentViewModelDispose = currentViewModel && currentViewModel['dispose'];
if (typeof currentViewModelDispose === 'function') {
currentViewModelDispose.call(currentViewModel);
}
currentLoadingOperationId = null;
},
originalChildNodes = ko.utils.makeArray(ko.virtualElements.childNodes(element));
ko.utils.domNodeDisposal.addDisposeCallback(element, disposeAssociatedComponentViewModel);
ko.computed(function() {
var value = ko.utils.unwrapObservable(valueAccessor()),
componentName,
componentParams;
if (typeof value === 'string') {
componentName = value;
} else {
componentName = ko.utils.unwrapObservable(value['name']);
componentParams = ko.utils.unwrapObservable(value['params']);
}
if (!componentName) {
throw new Error('No component name specified');
}
var loadingOperationId = currentLoadingOperationId = ++componentLoadingOperationUniqueId;
ko.components.get(componentName, function(componentDefinition) {
if (currentLoadingOperationId !== loadingOperationId) {
return;
}
disposeAssociatedComponentViewModel();
if (!componentDefinition) {
throw new Error('Unknown component \'' + componentName + '\'');
}
cloneTemplateIntoElement(componentName, componentDefinition, element);
var componentViewModel = createViewModel(componentDefinition, element, originalChildNodes, componentParams),
childBindingContext = bindingContext['createChildContext'](componentViewModel, undefined, function(ctx) {
ctx['$component'] = componentViewModel;
ctx['$componentTemplateNodes'] = originalChildNodes;
});
currentViewModel = componentViewModel;
ko.applyBindingsToDescendants(childBindingContext, element);
});
}, null, {disposeWhenNodeIsRemoved: element});
return {'controlsDescendantBindings': true};
}};
ko.virtualElements.allowedBindings['component'] = true;
function cloneTemplateIntoElement(componentName, componentDefinition, element) {
var template = componentDefinition['template'];
if (!template) {
throw new Error('Component \'' + componentName + '\' has no template');
}
var clonedNodesArray = ko.utils.cloneNodes(template);
ko.virtualElements.setDomNodeChildren(element, clonedNodesArray);
}
function createViewModel(componentDefinition, element, originalChildNodes, componentParams) {
var componentViewModelFactory = componentDefinition['createViewModel'];
return componentViewModelFactory ? componentViewModelFactory.call(componentDefinition, componentParams, {
'element': element,
'templateNodes': originalChildNodes
}) : componentParams;
}
})();
var attrHtmlToJavascriptMap = {
'class': 'className',
'for': 'htmlFor'
};
ko.bindingHandlers['attr'] = {'update': function(element, valueAccessor, allBindings) {
var value = ko.utils.unwrapObservable(valueAccessor()) || {};
ko.utils.objectForEach(value, function(attrName, attrValue) {
attrValue = ko.utils.unwrapObservable(attrValue);
var toRemove = (attrValue === false) || (attrValue === null) || (attrValue === undefined);
if (toRemove)
element.removeAttribute(attrName);
if (ko.utils.ieVersion <= 8 && attrName in attrHtmlToJavascriptMap) {
attrName = attrHtmlToJavascriptMap[attrName];
if (toRemove)
element.removeAttribute(attrName);
else
element[attrName] = attrValue;
} else if (!toRemove) {
element.setAttribute(attrName, attrValue.toString());
}
if (attrName === "name") {
ko.utils.setElementName(element, toRemove ? "" : attrValue.toString());
}
});
}};
(function() {
ko.bindingHandlers['checked'] = {
'after': ['value', 'attr'],
'init': function(element, valueAccessor, allBindings) {
var checkedValue = ko.pureComputed(function() {
if (allBindings['has']('checkedValue')) {
return ko.utils.unwrapObservable(allBindings.get('checkedValue'));
} else if (allBindings['has']('value')) {
return ko.utils.unwrapObservable(allBindings.get('value'));
}
return element.value;
});
function updateModel() {
var isChecked = element.checked,
elemValue = useCheckedValue ? checkedValue() : isChecked;
if (ko.computedContext.isInitial()) {
return;
}
if (isRadio && !isChecked) {
return;
}
var modelValue = ko.dependencyDetection.ignore(valueAccessor);
if (isValueArray) {
if (oldElemValue !== elemValue) {
if (isChecked) {
ko.utils.addOrRemoveItem(modelValue, elemValue, true);
ko.utils.addOrRemoveItem(modelValue, oldElemValue, false);
}
oldElemValue = elemValue;
} else {
ko.utils.addOrRemoveItem(modelValue, elemValue, isChecked);
}
} else {
ko.expressionRewriting.writeValueToProperty(modelValue, allBindings, 'checked', elemValue, true);
}
}
;
function updateView() {
var modelValue = ko.utils.unwrapObservable(valueAccessor());
if (isValueArray) {
element.checked = ko.utils.arrayIndexOf(modelValue, checkedValue()) >= 0;
} else if (isCheckbox) {
element.checked = modelValue;
} else {
element.checked = (checkedValue() === modelValue);
}
}
;
var isCheckbox = element.type == "checkbox",
isRadio = element.type == "radio";
if (!isCheckbox && !isRadio) {
return;
}
var isValueArray = isCheckbox && (ko.utils.unwrapObservable(valueAccessor()) instanceof Array),
oldElemValue = isValueArray ? checkedValue() : undefined,
useCheckedValue = isRadio || isValueArray;
if (isRadio && !element.name)
ko.bindingHandlers['uniqueName']['init'](element, function() {
return true;
});
ko.computed(updateModel, null, {disposeWhenNodeIsRemoved: element});
ko.utils.registerEventHandler(element, "click", updateModel);
ko.computed(updateView, null, {disposeWhenNodeIsRemoved: element});
}
};
ko.expressionRewriting.twoWayBindings['checked'] = true;
ko.bindingHandlers['checkedValue'] = {'update': function(element, valueAccessor) {
element.value = ko.utils.unwrapObservable(valueAccessor());
}};
})();
var classesWrittenByBindingKey = '__ko__cssValue';
ko.bindingHandlers['css'] = {'update': function(element, valueAccessor) {
var value = ko.utils.unwrapObservable(valueAccessor());
if (value !== null && typeof value == "object") {
ko.utils.objectForEach(value, function(className, shouldHaveClass) {
shouldHaveClass = ko.utils.unwrapObservable(shouldHaveClass);
ko.utils.toggleDomNodeCssClass(element, className, shouldHaveClass);
});
} else {
value = String(value || '');
ko.utils.toggleDomNodeCssClass(element, element[classesWrittenByBindingKey], false);
element[classesWrittenByBindingKey] = value;
ko.utils.toggleDomNodeCssClass(element, value, true);
}
}};
ko.bindingHandlers['enable'] = {'update': function(element, valueAccessor) {
var value = ko.utils.unwrapObservable(valueAccessor());
if (value && element.disabled)
element.removeAttribute("disabled");
else if ((!value) && (!element.disabled))
element.disabled = true;
}};
ko.bindingHandlers['disable'] = {'update': function(element, valueAccessor) {
ko.bindingHandlers['enable']['update'](element, function() {
return !ko.utils.unwrapObservable(valueAccessor());
});
}};
function makeEventHandlerShortcut(eventName) {
ko.bindingHandlers[eventName] = {'init': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
var newValueAccessor = function() {
var result = {};
result[eventName] = valueAccessor();
return result;
};
return ko.bindingHandlers['event']['init'].call(this, element, newValueAccessor, allBindings, viewModel, bindingContext);
}};
}
ko.bindingHandlers['event'] = {'init': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
var eventsToHandle = valueAccessor() || {};
ko.utils.objectForEach(eventsToHandle, function(eventName) {
if (typeof eventName == "string") {
ko.utils.registerEventHandler(element, eventName, function(event) {
var handlerReturnValue;
var handlerFunction = valueAccessor()[eventName];
if (!handlerFunction)
return;
try {
var argsForHandler = ko.utils.makeArray(arguments);
viewModel = bindingContext['$data'];
argsForHandler.unshift(viewModel);
handlerReturnValue = handlerFunction.apply(viewModel, argsForHandler);
} finally {
if (handlerReturnValue !== true) {
if (event.preventDefault)
event.preventDefault();
else
event.returnValue = false;
}
}
var bubble = allBindings.get(eventName + 'Bubble') !== false;
if (!bubble) {
event.cancelBubble = true;
if (event.stopPropagation)
event.stopPropagation();
}
});
}
});
}};
ko.bindingHandlers['foreach'] = {
makeTemplateValueAccessor: function(valueAccessor) {
return function() {
var modelValue = valueAccessor(),
unwrappedValue = ko.utils.peekObservable(modelValue);
if ((!unwrappedValue) || typeof unwrappedValue.length == "number")
return {
'foreach': modelValue,
'templateEngine': ko.nativeTemplateEngine.instance
};
ko.utils.unwrapObservable(modelValue);
return {
'foreach': unwrappedValue['data'],
'as': unwrappedValue['as'],
'includeDestroyed': unwrappedValue['includeDestroyed'],
'afterAdd': unwrappedValue['afterAdd'],
'beforeRemove': unwrappedValue['beforeRemove'],
'afterRender': unwrappedValue['afterRender'],
'beforeMove': unwrappedValue['beforeMove'],
'afterMove': unwrappedValue['afterMove'],
'templateEngine': ko.nativeTemplateEngine.instance
};
};
},
'init': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
return ko.bindingHandlers['template']['init'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor));
},
'update': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
return ko.bindingHandlers['template']['update'](element, ko.bindingHandlers['foreach'].makeTemplateValueAccessor(valueAccessor), allBindings, viewModel, bindingContext);
}
};
ko.expressionRewriting.bindingRewriteValidators['foreach'] = false;
ko.virtualElements.allowedBindings['foreach'] = true;
var hasfocusUpdatingProperty = '__ko_hasfocusUpdating';
var hasfocusLastValue = '__ko_hasfocusLastValue';
ko.bindingHandlers['hasfocus'] = {
'init': function(element, valueAccessor, allBindings) {
var handleElementFocusChange = function(isFocused) {
element[hasfocusUpdatingProperty] = true;
var ownerDoc = element.ownerDocument;
if ("activeElement" in ownerDoc) {
var active;
try {
active = ownerDoc.activeElement;
} catch (e) {
active = ownerDoc.body;
}
isFocused = (active === element);
}
var modelValue = valueAccessor();
ko.expressionRewriting.writeValueToProperty(modelValue, allBindings, 'hasfocus', isFocused, true);
element[hasfocusLastValue] = isFocused;
element[hasfocusUpdatingProperty] = false;
};
var handleElementFocusIn = handleElementFocusChange.bind(null, true);
var handleElementFocusOut = handleElementFocusChange.bind(null, false);
ko.utils.registerEventHandler(element, "focus", handleElementFocusIn);
ko.utils.registerEventHandler(element, "focusin", handleElementFocusIn);
ko.utils.registerEventHandler(element, "blur", handleElementFocusOut);
ko.utils.registerEventHandler(element, "focusout", handleElementFocusOut);
},
'update': function(element, valueAccessor) {
var value = !!ko.utils.unwrapObservable(valueAccessor());
if (!element[hasfocusUpdatingProperty] && element[hasfocusLastValue] !== value) {
value ? element.focus() : element.blur();
ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, value ? "focusin" : "focusout"]);
}
}
};
ko.expressionRewriting.twoWayBindings['hasfocus'] = true;
ko.bindingHandlers['hasFocus'] = ko.bindingHandlers['hasfocus'];
ko.expressionRewriting.twoWayBindings['hasFocus'] = true;
ko.bindingHandlers['html'] = {
'init': function() {
return {'controlsDescendantBindings': true};
},
'update': function(element, valueAccessor) {
ko.utils.setHtml(element, valueAccessor());
}
};
function makeWithIfBinding(bindingKey, isWith, isNot, makeContextCallback) {
ko.bindingHandlers[bindingKey] = {'init': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
var didDisplayOnLastUpdate,
savedNodes;
ko.computed(function() {
var dataValue = ko.utils.unwrapObservable(valueAccessor()),
shouldDisplay = !isNot !== !dataValue,
isFirstRender = !savedNodes,
needsRefresh = isFirstRender || isWith || (shouldDisplay !== didDisplayOnLastUpdate);
if (needsRefresh) {
if (isFirstRender && ko.computedContext.getDependenciesCount()) {
savedNodes = ko.utils.cloneNodes(ko.virtualElements.childNodes(element), true);
}
if (shouldDisplay) {
if (!isFirstRender) {
ko.virtualElements.setDomNodeChildren(element, ko.utils.cloneNodes(savedNodes));
}
ko.applyBindingsToDescendants(makeContextCallback ? makeContextCallback(bindingContext, dataValue) : bindingContext, element);
} else {
ko.virtualElements.emptyNode(element);
}
didDisplayOnLastUpdate = shouldDisplay;
}
}, null, {disposeWhenNodeIsRemoved: element});
return {'controlsDescendantBindings': true};
}};
ko.expressionRewriting.bindingRewriteValidators[bindingKey] = false;
ko.virtualElements.allowedBindings[bindingKey] = true;
}
makeWithIfBinding('if');
makeWithIfBinding('ifnot', false, true);
makeWithIfBinding('with', true, false, function(bindingContext, dataValue) {
return bindingContext['createChildContext'](dataValue);
});
var captionPlaceholder = {};
ko.bindingHandlers['options'] = {
'init': function(element) {
if (ko.utils.tagNameLower(element) !== "select")
throw new Error("options binding applies only to SELECT elements");
while (element.length > 0) {
element.remove(0);
}
return {'controlsDescendantBindings': true};
},
'update': function(element, valueAccessor, allBindings) {
function selectedOptions() {
return ko.utils.arrayFilter(element.options, function(node) {
return node.selected;
});
}
var selectWasPreviouslyEmpty = element.length == 0,
multiple = element.multiple,
previousScrollTop = (!selectWasPreviouslyEmpty && multiple) ? element.scrollTop : null,
unwrappedArray = ko.utils.unwrapObservable(valueAccessor()),
valueAllowUnset = allBindings.get('valueAllowUnset') && allBindings['has']('value'),
includeDestroyed = allBindings.get('optionsIncludeDestroyed'),
arrayToDomNodeChildrenOptions = {},
captionValue,
filteredArray,
previousSelectedValues = [];
if (!valueAllowUnset) {
if (multiple) {
previousSelectedValues = ko.utils.arrayMap(selectedOptions(), ko.selectExtensions.readValue);
} else if (element.selectedIndex >= 0) {
previousSelectedValues.push(ko.selectExtensions.readValue(element.options[element.selectedIndex]));
}
}
if (unwrappedArray) {
if (typeof unwrappedArray.length == "undefined")
unwrappedArray = [unwrappedArray];
filteredArray = ko.utils.arrayFilter(unwrappedArray, function(item) {
return includeDestroyed || item === undefined || item === null || !ko.utils.unwrapObservable(item['_destroy']);
});
if (allBindings['has']('optionsCaption')) {
captionValue = ko.utils.unwrapObservable(allBindings.get('optionsCaption'));
if (captionValue !== null && captionValue !== undefined) {
filteredArray.unshift(captionPlaceholder);
}
}
} else {}
function applyToObject(object, predicate, defaultValue) {
var predicateType = typeof predicate;
if (predicateType == "function")
return predicate(object);
else if (predicateType == "string")
return object[predicate];
else
return defaultValue;
}
var itemUpdate = false;
function optionForArrayItem(arrayEntry, index, oldOptions) {
if (oldOptions.length) {
previousSelectedValues = !valueAllowUnset && oldOptions[0].selected ? [ko.selectExtensions.readValue(oldOptions[0])] : [];
itemUpdate = true;
}
var option = element.ownerDocument.createElement("option");
if (arrayEntry === captionPlaceholder) {
ko.utils.setTextContent(option, allBindings.get('optionsCaption'));
ko.selectExtensions.writeValue(option, undefined);
} else {
var optionValue = applyToObject(arrayEntry, allBindings.get('optionsValue'), arrayEntry);
ko.selectExtensions.writeValue(option, ko.utils.unwrapObservable(optionValue));
var optionText = applyToObject(arrayEntry, allBindings.get('optionsText'), optionValue);
ko.utils.setTextContent(option, optionText);
}
return [option];
}
arrayToDomNodeChildrenOptions['beforeRemove'] = function(option) {
element.removeChild(option);
};
function setSelectionCallback(arrayEntry, newOptions) {
if (itemUpdate && valueAllowUnset) {
ko.selectExtensions.writeValue(element, ko.utils.unwrapObservable(allBindings.get('value')), true);
} else if (previousSelectedValues.length) {
var isSelected = ko.utils.arrayIndexOf(previousSelectedValues, ko.selectExtensions.readValue(newOptions[0])) >= 0;
ko.utils.setOptionNodeSelectionState(newOptions[0], isSelected);
if (itemUpdate && !isSelected) {
ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, "change"]);
}
}
}
var callback = setSelectionCallback;
if (allBindings['has']('optionsAfterRender') && typeof allBindings.get('optionsAfterRender') == "function") {
callback = function(arrayEntry, newOptions) {
setSelectionCallback(arrayEntry, newOptions);
ko.dependencyDetection.ignore(allBindings.get('optionsAfterRender'), null, [newOptions[0], arrayEntry !== captionPlaceholder ? arrayEntry : undefined]);
};
}
ko.utils.setDomNodeChildrenFromArrayMapping(element, filteredArray, optionForArrayItem, arrayToDomNodeChildrenOptions, callback);
ko.dependencyDetection.ignore(function() {
if (valueAllowUnset) {
ko.selectExtensions.writeValue(element, ko.utils.unwrapObservable(allBindings.get('value')), true);
} else {
var selectionChanged;
if (multiple) {
selectionChanged = previousSelectedValues.length && selectedOptions().length < previousSelectedValues.length;
} else {
selectionChanged = (previousSelectedValues.length && element.selectedIndex >= 0) ? (ko.selectExtensions.readValue(element.options[element.selectedIndex]) !== previousSelectedValues[0]) : (previousSelectedValues.length || element.selectedIndex >= 0);
}
if (selectionChanged) {
ko.utils.triggerEvent(element, "change");
}
}
});
ko.utils.ensureSelectElementIsRenderedCorrectly(element);
if (previousScrollTop && Math.abs(previousScrollTop - element.scrollTop) > 20)
element.scrollTop = previousScrollTop;
}
};
ko.bindingHandlers['options'].optionValueDomDataKey = ko.utils.domData.nextKey();
ko.bindingHandlers['selectedOptions'] = {
'after': ['options', 'foreach'],
'init': function(element, valueAccessor, allBindings) {
ko.utils.registerEventHandler(element, "change", function() {
var value = valueAccessor(),
valueToWrite = [];
ko.utils.arrayForEach(element.getElementsByTagName("option"), function(node) {
if (node.selected)
valueToWrite.push(ko.selectExtensions.readValue(node));
});
ko.expressionRewriting.writeValueToProperty(value, allBindings, 'selectedOptions', valueToWrite);
});
},
'update': function(element, valueAccessor) {
if (ko.utils.tagNameLower(element) != "select")
throw new Error("values binding applies only to SELECT elements");
var newValue = ko.utils.unwrapObservable(valueAccessor());
if (newValue && typeof newValue.length == "number") {
ko.utils.arrayForEach(element.getElementsByTagName("option"), function(node) {
var isSelected = ko.utils.arrayIndexOf(newValue, ko.selectExtensions.readValue(node)) >= 0;
ko.utils.setOptionNodeSelectionState(node, isSelected);
});
}
}
};
ko.expressionRewriting.twoWayBindings['selectedOptions'] = true;
ko.bindingHandlers['style'] = {'update': function(element, valueAccessor) {
var value = ko.utils.unwrapObservable(valueAccessor() || {});
ko.utils.objectForEach(value, function(styleName, styleValue) {
styleValue = ko.utils.unwrapObservable(styleValue);
if (styleValue === null || styleValue === undefined || styleValue === false) {
styleValue = "";
}
element.style[styleName] = styleValue;
});
}};
ko.bindingHandlers['submit'] = {'init': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
if (typeof valueAccessor() != "function")
throw new Error("The value for a submit binding must be a function");
ko.utils.registerEventHandler(element, "submit", function(event) {
var handlerReturnValue;
var value = valueAccessor();
try {
handlerReturnValue = value.call(bindingContext['$data'], element);
} finally {
if (handlerReturnValue !== true) {
if (event.preventDefault)
event.preventDefault();
else
event.returnValue = false;
}
}
});
}};
ko.bindingHandlers['text'] = {
'init': function() {
return {'controlsDescendantBindings': true};
},
'update': function(element, valueAccessor) {
ko.utils.setTextContent(element, valueAccessor());
}
};
ko.virtualElements.allowedBindings['text'] = true;
(function() {
if (window && window.navigator) {
var parseVersion = function(matches) {
if (matches) {
return parseFloat(matches[1]);
}
};
var operaVersion = window.opera && window.opera.version && parseInt(window.opera.version()),
userAgent = window.navigator.userAgent,
safariVersion = parseVersion(userAgent.match(/^(?:(?!chrome).)*version\/([^ ]*) safari/i)),
firefoxVersion = parseVersion(userAgent.match(/Firefox\/([^ ]*)/));
}
if (ko.utils.ieVersion < 10) {
var selectionChangeRegisteredName = ko.utils.domData.nextKey(),
selectionChangeHandlerName = ko.utils.domData.nextKey();
var selectionChangeHandler = function(event) {
var target = this.activeElement,
handler = target && ko.utils.domData.get(target, selectionChangeHandlerName);
if (handler) {
handler(event);
}
};
var registerForSelectionChangeEvent = function(element, handler) {
var ownerDoc = element.ownerDocument;
if (!ko.utils.domData.get(ownerDoc, selectionChangeRegisteredName)) {
ko.utils.domData.set(ownerDoc, selectionChangeRegisteredName, true);
ko.utils.registerEventHandler(ownerDoc, 'selectionchange', selectionChangeHandler);
}
ko.utils.domData.set(element, selectionChangeHandlerName, handler);
};
}
ko.bindingHandlers['textInput'] = {'init': function(element, valueAccessor, allBindings) {
var previousElementValue = element.value,
timeoutHandle,
elementValueBeforeEvent;
var updateModel = function(event) {
clearTimeout(timeoutHandle);
elementValueBeforeEvent = timeoutHandle = undefined;
var elementValue = element.value;
if (previousElementValue !== elementValue) {
if (DEBUG && event)
element['_ko_textInputProcessedEvent'] = event.type;
previousElementValue = elementValue;
ko.expressionRewriting.writeValueToProperty(valueAccessor(), allBindings, 'textInput', elementValue);
}
};
var deferUpdateModel = function(event) {
if (!timeoutHandle) {
elementValueBeforeEvent = element.value;
var handler = DEBUG ? updateModel.bind(element, {type: event.type}) : updateModel;
timeoutHandle = setTimeout(handler, 4);
}
};
var updateView = function() {
var modelValue = ko.utils.unwrapObservable(valueAccessor());
if (modelValue === null || modelValue === undefined) {
modelValue = '';
}
if (elementValueBeforeEvent !== undefined && modelValue === elementValueBeforeEvent) {
setTimeout(updateView, 4);
return;
}
if (element.value !== modelValue) {
previousElementValue = modelValue;
element.value = modelValue;
}
};
var onEvent = function(event, handler) {
ko.utils.registerEventHandler(element, event, handler);
};
if (DEBUG && ko.bindingHandlers['textInput']['_forceUpdateOn']) {
ko.utils.arrayForEach(ko.bindingHandlers['textInput']['_forceUpdateOn'], function(eventName) {
if (eventName.slice(0, 5) == 'after') {
onEvent(eventName.slice(5), deferUpdateModel);
} else {
onEvent(eventName, updateModel);
}
});
} else {
if (ko.utils.ieVersion < 10) {
onEvent('propertychange', function(event) {
if (event.propertyName === 'value') {
updateModel(event);
}
});
if (ko.utils.ieVersion == 8) {
onEvent('keyup', updateModel);
onEvent('keydown', updateModel);
}
if (ko.utils.ieVersion >= 8) {
registerForSelectionChangeEvent(element, updateModel);
onEvent('dragend', deferUpdateModel);
}
} else {
onEvent('input', updateModel);
if (safariVersion < 5 && ko.utils.tagNameLower(element) === "textarea") {
onEvent('keydown', deferUpdateModel);
onEvent('paste', deferUpdateModel);
onEvent('cut', deferUpdateModel);
} else if (operaVersion < 11) {
onEvent('keydown', deferUpdateModel);
} else if (firefoxVersion < 4.0) {
onEvent('DOMAutoComplete', updateModel);
onEvent('dragdrop', updateModel);
onEvent('drop', updateModel);
}
}
}
onEvent('change', updateModel);
ko.computed(updateView, null, {disposeWhenNodeIsRemoved: element});
}};
ko.expressionRewriting.twoWayBindings['textInput'] = true;
ko.bindingHandlers['textinput'] = {'preprocess': function(value, name, addBinding) {
addBinding('textInput', value);
}};
})();
ko.bindingHandlers['uniqueName'] = {'init': function(element, valueAccessor) {
if (valueAccessor()) {
var name = "ko_unique_" + (++ko.bindingHandlers['uniqueName'].currentIndex);
ko.utils.setElementName(element, name);
}
}};
ko.bindingHandlers['uniqueName'].currentIndex = 0;
ko.bindingHandlers['value'] = {
'after': ['options', 'foreach'],
'init': function(element, valueAccessor, allBindings) {
if (element.tagName.toLowerCase() == "input" && (element.type == "checkbox" || element.type == "radio")) {
ko.applyBindingAccessorsToNode(element, {'checkedValue': valueAccessor});
return;
}
var eventsToCatch = ["change"];
var requestedEventsToCatch = allBindings.get("valueUpdate");
var propertyChangedFired = false;
var elementValueBeforeEvent = null;
if (requestedEventsToCatch) {
if (typeof requestedEventsToCatch == "string")
requestedEventsToCatch = [requestedEventsToCatch];
ko.utils.arrayPushAll(eventsToCatch, requestedEventsToCatch);
eventsToCatch = ko.utils.arrayGetDistinctValues(eventsToCatch);
}
var valueUpdateHandler = function() {
elementValueBeforeEvent = null;
propertyChangedFired = false;
var modelValue = valueAccessor();
var elementValue = ko.selectExtensions.readValue(element);
ko.expressionRewriting.writeValueToProperty(modelValue, allBindings, 'value', elementValue);
};
var ieAutoCompleteHackNeeded = ko.utils.ieVersion && element.tagName.toLowerCase() == "input" && element.type == "text" && element.autocomplete != "off" && (!element.form || element.form.autocomplete != "off");
if (ieAutoCompleteHackNeeded && ko.utils.arrayIndexOf(eventsToCatch, "propertychange") == -1) {
ko.utils.registerEventHandler(element, "propertychange", function() {
propertyChangedFired = true;
});
ko.utils.registerEventHandler(element, "focus", function() {
propertyChangedFired = false;
});
ko.utils.registerEventHandler(element, "blur", function() {
if (propertyChangedFired) {
valueUpdateHandler();
}
});
}
ko.utils.arrayForEach(eventsToCatch, function(eventName) {
var handler = valueUpdateHandler;
if (ko.utils.stringStartsWith(eventName, "after")) {
handler = function() {
elementValueBeforeEvent = ko.selectExtensions.readValue(element);
setTimeout(valueUpdateHandler, 0);
};
eventName = eventName.substring("after".length);
}
ko.utils.registerEventHandler(element, eventName, handler);
});
var updateFromModel = function() {
var newValue = ko.utils.unwrapObservable(valueAccessor());
var elementValue = ko.selectExtensions.readValue(element);
if (elementValueBeforeEvent !== null && newValue === elementValueBeforeEvent) {
setTimeout(updateFromModel, 0);
return;
}
var valueHasChanged = (newValue !== elementValue);
if (valueHasChanged) {
if (ko.utils.tagNameLower(element) === "select") {
var allowUnset = allBindings.get('valueAllowUnset');
var applyValueAction = function() {
ko.selectExtensions.writeValue(element, newValue, allowUnset);
};
applyValueAction();
if (!allowUnset && newValue !== ko.selectExtensions.readValue(element)) {
ko.dependencyDetection.ignore(ko.utils.triggerEvent, null, [element, "change"]);
} else {
setTimeout(applyValueAction, 0);
}
} else {
ko.selectExtensions.writeValue(element, newValue);
}
}
};
ko.computed(updateFromModel, null, {disposeWhenNodeIsRemoved: element});
},
'update': function() {}
};
ko.expressionRewriting.twoWayBindings['value'] = true;
ko.bindingHandlers['visible'] = {'update': function(element, valueAccessor) {
var value = ko.utils.unwrapObservable(valueAccessor());
var isCurrentlyVisible = !(element.style.display == "none");
if (value && !isCurrentlyVisible)
element.style.display = "";
else if ((!value) && isCurrentlyVisible)
element.style.display = "none";
}};
makeEventHandlerShortcut('click');
ko.templateEngine = function() {};
ko.templateEngine.prototype['renderTemplateSource'] = function(templateSource, bindingContext, options, templateDocument) {
throw new Error("Override renderTemplateSource");
};
ko.templateEngine.prototype['createJavaScriptEvaluatorBlock'] = function(script) {
throw new Error("Override createJavaScriptEvaluatorBlock");
};
ko.templateEngine.prototype['makeTemplateSource'] = function(template, templateDocument) {
if (typeof template == "string") {
templateDocument = templateDocument || document;
var elem = templateDocument.getElementById(template);
if (!elem)
throw new Error("Cannot find template with ID " + template);
return new ko.templateSources.domElement(elem);
} else if ((template.nodeType == 1) || (template.nodeType == 8)) {
return new ko.templateSources.anonymousTemplate(template);
} else
throw new Error("Unknown template type: " + template);
};
ko.templateEngine.prototype['renderTemplate'] = function(template, bindingContext, options, templateDocument) {
var templateSource = this['makeTemplateSource'](template, templateDocument);
return this['renderTemplateSource'](templateSource, bindingContext, options, templateDocument);
};
ko.templateEngine.prototype['isTemplateRewritten'] = function(template, templateDocument) {
if (this['allowTemplateRewriting'] === false)
return true;
return this['makeTemplateSource'](template, templateDocument)['data']("isRewritten");
};
ko.templateEngine.prototype['rewriteTemplate'] = function(template, rewriterCallback, templateDocument) {
var templateSource = this['makeTemplateSource'](template, templateDocument);
var rewritten = rewriterCallback(templateSource['text']());
templateSource['text'](rewritten);
templateSource['data']("isRewritten", true);
};
ko.exportSymbol('templateEngine', ko.templateEngine);
ko.templateRewriting = (function() {
var memoizeDataBindingAttributeSyntaxRegex = /(<([a-z]+\d*)(?:\s+(?!data-bind\s*=\s*)[a-z0-9\-]+(?:=(?:\"[^\"]*\"|\'[^\']*\'|[^>]*))?)*\s+)data-bind\s*=\s*(["'])([\s\S]*?)\3/gi;
var memoizeVirtualContainerBindingSyntaxRegex = /<!--\s*ko\b\s*([\s\S]*?)\s*-->/g;
function validateDataBindValuesForRewriting(keyValueArray) {
var allValidators = ko.expressionRewriting.bindingRewriteValidators;
for (var i = 0; i < keyValueArray.length; i++) {
var key = keyValueArray[i]['key'];
if (allValidators.hasOwnProperty(key)) {
var validator = allValidators[key];
if (typeof validator === "function") {
var possibleErrorMessage = validator(keyValueArray[i]['value']);
if (possibleErrorMessage)
throw new Error(possibleErrorMessage);
} else if (!validator) {
throw new Error("This template engine does not support the '" + key + "' binding within its templates");
}
}
}
}
function constructMemoizedTagReplacement(dataBindAttributeValue, tagToRetain, nodeName, templateEngine) {
var dataBindKeyValueArray = ko.expressionRewriting.parseObjectLiteral(dataBindAttributeValue);
validateDataBindValuesForRewriting(dataBindKeyValueArray);
var rewrittenDataBindAttributeValue = ko.expressionRewriting.preProcessBindings(dataBindKeyValueArray, {'valueAccessors': true});
var applyBindingsToNextSiblingScript = "ko.__tr_ambtns(function($context,$element){return(function(){return{ " + rewrittenDataBindAttributeValue + " } })()},'" + nodeName.toLowerCase() + "')";
return templateEngine['createJavaScriptEvaluatorBlock'](applyBindingsToNextSiblingScript) + tagToRetain;
}
return {
ensureTemplateIsRewritten: function(template, templateEngine, templateDocument) {
if (!templateEngine['isTemplateRewritten'](template, templateDocument))
templateEngine['rewriteTemplate'](template, function(htmlString) {
return ko.templateRewriting.memoizeBindingAttributeSyntax(htmlString, templateEngine);
}, templateDocument);
},
memoizeBindingAttributeSyntax: function(htmlString, templateEngine) {
return htmlString.replace(memoizeDataBindingAttributeSyntaxRegex, function() {
return constructMemoizedTagReplacement(arguments[4], arguments[1], arguments[2], templateEngine);
}).replace(memoizeVirtualContainerBindingSyntaxRegex, function() {
return constructMemoizedTagReplacement(arguments[1], "<!-- ko -->", "#comment", templateEngine);
});
},
applyMemoizedBindingsToNextSibling: function(bindings, nodeName) {
return ko.memoization.memoize(function(domNode, bindingContext) {
var nodeToBind = domNode.nextSibling;
if (nodeToBind && nodeToBind.nodeName.toLowerCase() === nodeName) {
ko.applyBindingAccessorsToNode(nodeToBind, bindings, bindingContext);
}
});
}
};
})();
ko.exportSymbol('__tr_ambtns', ko.templateRewriting.applyMemoizedBindingsToNextSibling);
(function() {
ko.templateSources = {};
ko.templateSources.domElement = function(element) {
this.domElement = element;
};
ko.templateSources.domElement.prototype['text'] = function() {
var tagNameLower = ko.utils.tagNameLower(this.domElement),
elemContentsProperty = tagNameLower === "script" ? "text" : tagNameLower === "textarea" ? "value" : "innerHTML";
if (arguments.length == 0) {
return this.domElement[elemContentsProperty];
} else {
var valueToWrite = arguments[0];
if (elemContentsProperty === "innerHTML")
ko.utils.setHtml(this.domElement, valueToWrite);
else
this.domElement[elemContentsProperty] = valueToWrite;
}
};
var dataDomDataPrefix = ko.utils.domData.nextKey() + "_";
ko.templateSources.domElement.prototype['data'] = function(key) {
if (arguments.length === 1) {
return ko.utils.domData.get(this.domElement, dataDomDataPrefix + key);
} else {
ko.utils.domData.set(this.domElement, dataDomDataPrefix + key, arguments[1]);
}
};
var anonymousTemplatesDomDataKey = ko.utils.domData.nextKey();
ko.templateSources.anonymousTemplate = function(element) {
this.domElement = element;
};
ko.templateSources.anonymousTemplate.prototype = new ko.templateSources.domElement();
ko.templateSources.anonymousTemplate.prototype.constructor = ko.templateSources.anonymousTemplate;
ko.templateSources.anonymousTemplate.prototype['text'] = function() {
if (arguments.length == 0) {
var templateData = ko.utils.domData.get(this.domElement, anonymousTemplatesDomDataKey) || {};
if (templateData.textData === undefined && templateData.containerData)
templateData.textData = templateData.containerData.innerHTML;
return templateData.textData;
} else {
var valueToWrite = arguments[0];
ko.utils.domData.set(this.domElement, anonymousTemplatesDomDataKey, {textData: valueToWrite});
}
};
ko.templateSources.domElement.prototype['nodes'] = function() {
if (arguments.length == 0) {
var templateData = ko.utils.domData.get(this.domElement, anonymousTemplatesDomDataKey) || {};
return templateData.containerData;
} else {
var valueToWrite = arguments[0];
ko.utils.domData.set(this.domElement, anonymousTemplatesDomDataKey, {containerData: valueToWrite});
}
};
ko.exportSymbol('templateSources', ko.templateSources);
ko.exportSymbol('templateSources.domElement', ko.templateSources.domElement);
ko.exportSymbol('templateSources.anonymousTemplate', ko.templateSources.anonymousTemplate);
})();
(function() {
var _templateEngine;
ko.setTemplateEngine = function(templateEngine) {
if ((templateEngine != undefined) && !(templateEngine instanceof ko.templateEngine))
throw new Error("templateEngine must inherit from ko.templateEngine");
_templateEngine = templateEngine;
};
function invokeForEachNodeInContinuousRange(firstNode, lastNode, action) {
var node,
nextInQueue = firstNode,
firstOutOfRangeNode = ko.virtualElements.nextSibling(lastNode);
while (nextInQueue && ((node = nextInQueue) !== firstOutOfRangeNode)) {
nextInQueue = ko.virtualElements.nextSibling(node);
action(node, nextInQueue);
}
}
function activateBindingsOnContinuousNodeArray(continuousNodeArray, bindingContext) {
if (continuousNodeArray.length) {
var firstNode = continuousNodeArray[0],
lastNode = continuousNodeArray[continuousNodeArray.length - 1],
parentNode = firstNode.parentNode,
provider = ko.bindingProvider['instance'],
preprocessNode = provider['preprocessNode'];
if (preprocessNode) {
invokeForEachNodeInContinuousRange(firstNode, lastNode, function(node, nextNodeInRange) {
var nodePreviousSibling = node.previousSibling;
var newNodes = preprocessNode.call(provider, node);
if (newNodes) {
if (node === firstNode)
firstNode = newNodes[0] || nextNodeInRange;
if (node === lastNode)
lastNode = newNodes[newNodes.length - 1] || nodePreviousSibling;
}
});
continuousNodeArray.length = 0;
if (!firstNode) {
return;
}
if (firstNode === lastNode) {
continuousNodeArray.push(firstNode);
} else {
continuousNodeArray.push(firstNode, lastNode);
ko.utils.fixUpContinuousNodeArray(continuousNodeArray, parentNode);
}
}
invokeForEachNodeInContinuousRange(firstNode, lastNode, function(node) {
if (node.nodeType === 1 || node.nodeType === 8)
ko.applyBindings(bindingContext, node);
});
invokeForEachNodeInContinuousRange(firstNode, lastNode, function(node) {
if (node.nodeType === 1 || node.nodeType === 8)
ko.memoization.unmemoizeDomNodeAndDescendants(node, [bindingContext]);
});
ko.utils.fixUpContinuousNodeArray(continuousNodeArray, parentNode);
}
}
function getFirstNodeFromPossibleArray(nodeOrNodeArray) {
return nodeOrNodeArray.nodeType ? nodeOrNodeArray : nodeOrNodeArray.length > 0 ? nodeOrNodeArray[0] : null;
}
function executeTemplate(targetNodeOrNodeArray, renderMode, template, bindingContext, options) {
options = options || {};
var firstTargetNode = targetNodeOrNodeArray && getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
var templateDocument = (firstTargetNode || template || {}).ownerDocument;
var templateEngineToUse = (options['templateEngine'] || _templateEngine);
ko.templateRewriting.ensureTemplateIsRewritten(template, templateEngineToUse, templateDocument);
var renderedNodesArray = templateEngineToUse['renderTemplate'](template, bindingContext, options, templateDocument);
if ((typeof renderedNodesArray.length != "number") || (renderedNodesArray.length > 0 && typeof renderedNodesArray[0].nodeType != "number"))
throw new Error("Template engine must return an array of DOM nodes");
var haveAddedNodesToParent = false;
switch (renderMode) {
case "replaceChildren":
ko.virtualElements.setDomNodeChildren(targetNodeOrNodeArray, renderedNodesArray);
haveAddedNodesToParent = true;
break;
case "replaceNode":
ko.utils.replaceDomNodes(targetNodeOrNodeArray, renderedNodesArray);
haveAddedNodesToParent = true;
break;
case "ignoreTargetNode":
break;
default:
throw new Error("Unknown renderMode: " + renderMode);
}
if (haveAddedNodesToParent) {
activateBindingsOnContinuousNodeArray(renderedNodesArray, bindingContext);
if (options['afterRender'])
ko.dependencyDetection.ignore(options['afterRender'], null, [renderedNodesArray, bindingContext['$data']]);
}
return renderedNodesArray;
}
function resolveTemplateName(template, data, context) {
if (ko.isObservable(template)) {
return template();
} else if (typeof template === 'function') {
return template(data, context);
} else {
return template;
}
}
ko.renderTemplate = function(template, dataOrBindingContext, options, targetNodeOrNodeArray, renderMode) {
options = options || {};
if ((options['templateEngine'] || _templateEngine) == undefined)
throw new Error("Set a template engine before calling renderTemplate");
renderMode = renderMode || "replaceChildren";
if (targetNodeOrNodeArray) {
var firstTargetNode = getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
var whenToDispose = function() {
return (!firstTargetNode) || !ko.utils.domNodeIsAttachedToDocument(firstTargetNode);
};
var activelyDisposeWhenNodeIsRemoved = (firstTargetNode && renderMode == "replaceNode") ? firstTargetNode.parentNode : firstTargetNode;
return ko.dependentObservable(function() {
var bindingContext = (dataOrBindingContext && (dataOrBindingContext instanceof ko.bindingContext)) ? dataOrBindingContext : new ko.bindingContext(ko.utils.unwrapObservable(dataOrBindingContext));
var templateName = resolveTemplateName(template, bindingContext['$data'], bindingContext),
renderedNodesArray = executeTemplate(targetNodeOrNodeArray, renderMode, templateName, bindingContext, options);
if (renderMode == "replaceNode") {
targetNodeOrNodeArray = renderedNodesArray;
firstTargetNode = getFirstNodeFromPossibleArray(targetNodeOrNodeArray);
}
}, null, {
disposeWhen: whenToDispose,
disposeWhenNodeIsRemoved: activelyDisposeWhenNodeIsRemoved
});
} else {
return ko.memoization.memoize(function(domNode) {
ko.renderTemplate(template, dataOrBindingContext, options, domNode, "replaceNode");
});
}
};
ko.renderTemplateForEach = function(template, arrayOrObservableArray, options, targetNode, parentBindingContext) {
var arrayItemContext;
var executeTemplateForArrayItem = function(arrayValue, index) {
arrayItemContext = parentBindingContext['createChildContext'](arrayValue, options['as'], function(context) {
context['$index'] = index;
});
var templateName = resolveTemplateName(template, arrayValue, arrayItemContext);
return executeTemplate(null, "ignoreTargetNode", templateName, arrayItemContext, options);
};
var activateBindingsCallback = function(arrayValue, addedNodesArray, index) {
activateBindingsOnContinuousNodeArray(addedNodesArray, arrayItemContext);
if (options['afterRender'])
options['afterRender'](addedNodesArray, arrayValue);
arrayItemContext = null;
};
return ko.dependentObservable(function() {
var unwrappedArray = ko.utils.unwrapObservable(arrayOrObservableArray) || [];
if (typeof unwrappedArray.length == "undefined")
unwrappedArray = [unwrappedArray];
var filteredArray = ko.utils.arrayFilter(unwrappedArray, function(item) {
return options['includeDestroyed'] || item === undefined || item === null || !ko.utils.unwrapObservable(item['_destroy']);
});
ko.dependencyDetection.ignore(ko.utils.setDomNodeChildrenFromArrayMapping, null, [targetNode, filteredArray, executeTemplateForArrayItem, options, activateBindingsCallback]);
}, null, {disposeWhenNodeIsRemoved: targetNode});
};
var templateComputedDomDataKey = ko.utils.domData.nextKey();
function disposeOldComputedAndStoreNewOne(element, newComputed) {
var oldComputed = ko.utils.domData.get(element, templateComputedDomDataKey);
if (oldComputed && (typeof(oldComputed.dispose) == 'function'))
oldComputed.dispose();
ko.utils.domData.set(element, templateComputedDomDataKey, (newComputed && newComputed.isActive()) ? newComputed : undefined);
}
ko.bindingHandlers['template'] = {
'init': function(element, valueAccessor) {
var bindingValue = ko.utils.unwrapObservable(valueAccessor());
if (typeof bindingValue == "string" || bindingValue['name']) {
ko.virtualElements.emptyNode(element);
} else if ('nodes' in bindingValue) {
var nodes = bindingValue['nodes'] || [];
if (ko.isObservable(nodes)) {
throw new Error('The "nodes" option must be a plain, non-observable array.');
}
var container = ko.utils.moveCleanedNodesToContainerElement(nodes);
new ko.templateSources.anonymousTemplate(element)['nodes'](container);
} else {
var templateNodes = ko.virtualElements.childNodes(element),
container = ko.utils.moveCleanedNodesToContainerElement(templateNodes);
new ko.templateSources.anonymousTemplate(element)['nodes'](container);
}
return {'controlsDescendantBindings': true};
},
'update': function(element, valueAccessor, allBindings, viewModel, bindingContext) {
var value = valueAccessor(),
dataValue,
options = ko.utils.unwrapObservable(value),
shouldDisplay = true,
templateComputed = null,
templateName;
if (typeof options == "string") {
templateName = value;
options = {};
} else {
templateName = options['name'];
if ('if' in options)
shouldDisplay = ko.utils.unwrapObservable(options['if']);
if (shouldDisplay && 'ifnot' in options)
shouldDisplay = !ko.utils.unwrapObservable(options['ifnot']);
dataValue = ko.utils.unwrapObservable(options['data']);
}
if ('foreach' in options) {
var dataArray = (shouldDisplay && options['foreach']) || [];
templateComputed = ko.renderTemplateForEach(templateName || element, dataArray, options, element, bindingContext);
} else if (!shouldDisplay) {
ko.virtualElements.emptyNode(element);
} else {
var innerBindingContext = ('data' in options) ? bindingContext['createChildContext'](dataValue, options['as']) : bindingContext;
templateComputed = ko.renderTemplate(templateName || element, innerBindingContext, options, element);
}
disposeOldComputedAndStoreNewOne(element, templateComputed);
}
};
ko.expressionRewriting.bindingRewriteValidators['template'] = function(bindingValue) {
var parsedBindingValue = ko.expressionRewriting.parseObjectLiteral(bindingValue);
if ((parsedBindingValue.length == 1) && parsedBindingValue[0]['unknown'])
return null;
if (ko.expressionRewriting.keyValueArrayContainsKey(parsedBindingValue, "name"))
return null;
return "This template engine does not support anonymous templates nested within its templates";
};
ko.virtualElements.allowedBindings['template'] = true;
})();
ko.exportSymbol('setTemplateEngine', ko.setTemplateEngine);
ko.exportSymbol('renderTemplate', ko.renderTemplate);
ko.utils.findMovesInArrayComparison = function(left, right, limitFailedCompares) {
if (left.length && right.length) {
var failedCompares,
l,
r,
leftItem,
rightItem;
for (failedCompares = l = 0; (!limitFailedCompares || failedCompares < limitFailedCompares) && (leftItem = left[l]); ++l) {
for (r = 0; rightItem = right[r]; ++r) {
if (leftItem['value'] === rightItem['value']) {
leftItem['moved'] = rightItem['index'];
rightItem['moved'] = leftItem['index'];
right.splice(r, 1);
failedCompares = r = 0;
break;
}
}
failedCompares += r;
}
}
};
ko.utils.compareArrays = (function() {
var statusNotInOld = 'added',
statusNotInNew = 'deleted';
function compareArrays(oldArray, newArray, options) {
options = (typeof options === 'boolean') ? {'dontLimitMoves': options} : (options || {});
oldArray = oldArray || [];
newArray = newArray || [];
if (oldArray.length <= newArray.length)
return compareSmallArrayToBigArray(oldArray, newArray, statusNotInOld, statusNotInNew, options);
else
return compareSmallArrayToBigArray(newArray, oldArray, statusNotInNew, statusNotInOld, options);
}
function compareSmallArrayToBigArray(smlArray, bigArray, statusNotInSml, statusNotInBig, options) {
var myMin = Math.min,
myMax = Math.max,
editDistanceMatrix = [],
smlIndex,
smlIndexMax = smlArray.length,
bigIndex,
bigIndexMax = bigArray.length,
compareRange = (bigIndexMax - smlIndexMax) || 1,
maxDistance = smlIndexMax + bigIndexMax + 1,
thisRow,
lastRow,
bigIndexMaxForRow,
bigIndexMinForRow;
for (smlIndex = 0; smlIndex <= smlIndexMax; smlIndex++) {
lastRow = thisRow;
editDistanceMatrix.push(thisRow = []);
bigIndexMaxForRow = myMin(bigIndexMax, smlIndex + compareRange);
bigIndexMinForRow = myMax(0, smlIndex - 1);
for (bigIndex = bigIndexMinForRow; bigIndex <= bigIndexMaxForRow; bigIndex++) {
if (!bigIndex)
thisRow[bigIndex] = smlIndex + 1;
else if (!smlIndex)
thisRow[bigIndex] = bigIndex + 1;
else if (smlArray[smlIndex - 1] === bigArray[bigIndex - 1])
thisRow[bigIndex] = lastRow[bigIndex - 1];
else {
var northDistance = lastRow[bigIndex] || maxDistance;
var westDistance = thisRow[bigIndex - 1] || maxDistance;
thisRow[bigIndex] = myMin(northDistance, westDistance) + 1;
}
}
}
var editScript = [],
meMinusOne,
notInSml = [],
notInBig = [];
for (smlIndex = smlIndexMax, bigIndex = bigIndexMax; smlIndex || bigIndex; ) {
meMinusOne = editDistanceMatrix[smlIndex][bigIndex] - 1;
if (bigIndex && meMinusOne === editDistanceMatrix[smlIndex][bigIndex - 1]) {
notInSml.push(editScript[editScript.length] = {
'status': statusNotInSml,
'value': bigArray[--bigIndex],
'index': bigIndex
});
} else if (smlIndex && meMinusOne === editDistanceMatrix[smlIndex - 1][bigIndex]) {
notInBig.push(editScript[editScript.length] = {
'status': statusNotInBig,
'value': smlArray[--smlIndex],
'index': smlIndex
});
} else {
--bigIndex;
--smlIndex;
if (!options['sparse']) {
editScript.push({
'status': "retained",
'value': bigArray[bigIndex]
});
}
}
}
ko.utils.findMovesInArrayComparison(notInSml, notInBig, smlIndexMax * 10);
return editScript.reverse();
}
return compareArrays;
})();
ko.exportSymbol('utils.compareArrays', ko.utils.compareArrays);
(function() {
function mapNodeAndRefreshWhenChanged(containerNode, mapping, valueToMap, callbackAfterAddingNodes, index) {
var mappedNodes = [];
var dependentObservable = ko.dependentObservable(function() {
var newMappedNodes = mapping(valueToMap, index, ko.utils.fixUpContinuousNodeArray(mappedNodes, containerNode)) || [];
if (mappedNodes.length > 0) {
ko.utils.replaceDomNodes(mappedNodes, newMappedNodes);
if (callbackAfterAddingNodes)
ko.dependencyDetection.ignore(callbackAfterAddingNodes, null, [valueToMap, newMappedNodes, index]);
}
mappedNodes.length = 0;
ko.utils.arrayPushAll(mappedNodes, newMappedNodes);
}, null, {
disposeWhenNodeIsRemoved: containerNode,
disposeWhen: function() {
return !ko.utils.anyDomNodeIsAttachedToDocument(mappedNodes);
}
});
return {
mappedNodes: mappedNodes,
dependentObservable: (dependentObservable.isActive() ? dependentObservable : undefined)
};
}
var lastMappingResultDomDataKey = ko.utils.domData.nextKey();
ko.utils.setDomNodeChildrenFromArrayMapping = function(domNode, array, mapping, options, callbackAfterAddingNodes) {
array = array || [];
options = options || {};
var isFirstExecution = ko.utils.domData.get(domNode, lastMappingResultDomDataKey) === undefined;
var lastMappingResult = ko.utils.domData.get(domNode, lastMappingResultDomDataKey) || [];
var lastArray = ko.utils.arrayMap(lastMappingResult, function(x) {
return x.arrayEntry;
});
var editScript = ko.utils.compareArrays(lastArray, array, options['dontLimitMoves']);
var newMappingResult = [];
var lastMappingResultIndex = 0;
var newMappingResultIndex = 0;
var nodesToDelete = [];
var itemsToProcess = [];
var itemsForBeforeRemoveCallbacks = [];
var itemsForMoveCallbacks = [];
var itemsForAfterAddCallbacks = [];
var mapData;
function itemMovedOrRetained(editScriptIndex, oldPosition) {
mapData = lastMappingResult[oldPosition];
if (newMappingResultIndex !== oldPosition)
itemsForMoveCallbacks[editScriptIndex] = mapData;
mapData.indexObservable(newMappingResultIndex++);
ko.utils.fixUpContinuousNodeArray(mapData.mappedNodes, domNode);
newMappingResult.push(mapData);
itemsToProcess.push(mapData);
}
function callCallback(callback, items) {
if (callback) {
for (var i = 0,
n = items.length; i < n; i++) {
if (items[i]) {
ko.utils.arrayForEach(items[i].mappedNodes, function(node) {
callback(node, i, items[i].arrayEntry);
});
}
}
}
}
for (var i = 0,
editScriptItem,
movedIndex; editScriptItem = editScript[i]; i++) {
movedIndex = editScriptItem['moved'];
switch (editScriptItem['status']) {
case "deleted":
if (movedIndex === undefined) {
mapData = lastMappingResult[lastMappingResultIndex];
if (mapData.dependentObservable)
mapData.dependentObservable.dispose();
nodesToDelete.push.apply(nodesToDelete, ko.utils.fixUpContinuousNodeArray(mapData.mappedNodes, domNode));
if (options['beforeRemove']) {
itemsForBeforeRemoveCallbacks[i] = mapData;
itemsToProcess.push(mapData);
}
}
lastMappingResultIndex++;
break;
case "retained":
itemMovedOrRetained(i, lastMappingResultIndex++);
break;
case "added":
if (movedIndex !== undefined) {
itemMovedOrRetained(i, movedIndex);
} else {
mapData = {
arrayEntry: editScriptItem['value'],
indexObservable: ko.observable(newMappingResultIndex++)
};
newMappingResult.push(mapData);
itemsToProcess.push(mapData);
if (!isFirstExecution)
itemsForAfterAddCallbacks[i] = mapData;
}
break;
}
}
callCallback(options['beforeMove'], itemsForMoveCallbacks);
ko.utils.arrayForEach(nodesToDelete, options['beforeRemove'] ? ko.cleanNode : ko.removeNode);
for (var i = 0,
nextNode = ko.virtualElements.firstChild(domNode),
lastNode,
node; mapData = itemsToProcess[i]; i++) {
if (!mapData.mappedNodes)
ko.utils.extend(mapData, mapNodeAndRefreshWhenChanged(domNode, mapping, mapData.arrayEntry, callbackAfterAddingNodes, mapData.indexObservable));
for (var j = 0; node = mapData.mappedNodes[j]; nextNode = node.nextSibling, lastNode = node, j++) {
if (node !== nextNode)
ko.virtualElements.insertAfter(domNode, node, lastNode);
}
if (!mapData.initialized && callbackAfterAddingNodes) {
callbackAfterAddingNodes(mapData.arrayEntry, mapData.mappedNodes, mapData.indexObservable);
mapData.initialized = true;
}
}
callCallback(options['beforeRemove'], itemsForBeforeRemoveCallbacks);
callCallback(options['afterMove'], itemsForMoveCallbacks);
callCallback(options['afterAdd'], itemsForAfterAddCallbacks);
ko.utils.domData.set(domNode, lastMappingResultDomDataKey, newMappingResult);
};
})();
ko.exportSymbol('utils.setDomNodeChildrenFromArrayMapping', ko.utils.setDomNodeChildrenFromArrayMapping);
ko.nativeTemplateEngine = function() {
this['allowTemplateRewriting'] = false;
};
ko.nativeTemplateEngine.prototype = new ko.templateEngine();
ko.nativeTemplateEngine.prototype.constructor = ko.nativeTemplateEngine;
ko.nativeTemplateEngine.prototype['renderTemplateSource'] = function(templateSource, bindingContext, options, templateDocument) {
var useNodesIfAvailable = !(ko.utils.ieVersion < 9),
templateNodesFunc = useNodesIfAvailable ? templateSource['nodes'] : null,
templateNodes = templateNodesFunc ? templateSource['nodes']() : null;
if (templateNodes) {
return ko.utils.makeArray(templateNodes.cloneNode(true).childNodes);
} else {
var templateText = templateSource['text']();
return ko.utils.parseHtmlFragment(templateText, templateDocument);
}
};
ko.nativeTemplateEngine.instance = new ko.nativeTemplateEngine();
ko.setTemplateEngine(ko.nativeTemplateEngine.instance);
ko.exportSymbol('nativeTemplateEngine', ko.nativeTemplateEngine);
(function() {
ko.jqueryTmplTemplateEngine = function() {
var jQueryTmplVersion = this.jQueryTmplVersion = (function() {
if (!jQueryInstance || !(jQueryInstance['tmpl']))
return 0;
try {
if (jQueryInstance['tmpl']['tag']['tmpl']['open'].toString().indexOf('__') >= 0) {
return 2;
}
} catch (ex) {}
return 1;
})();
function ensureHasReferencedJQueryTemplates() {
if (jQueryTmplVersion < 2)
throw new Error("Your version of jQuery.tmpl is too old. Please upgrade to jQuery.tmpl 1.0.0pre or later.");
}
function executeTemplate(compiledTemplate, data, jQueryTemplateOptions) {
return jQueryInstance['tmpl'](compiledTemplate, data, jQueryTemplateOptions);
}
this['renderTemplateSource'] = function(templateSource, bindingContext, options, templateDocument) {
templateDocument = templateDocument || document;
options = options || {};
ensureHasReferencedJQueryTemplates();
var precompiled = templateSource['data']('precompiled');
if (!precompiled) {
var templateText = templateSource['text']() || "";
templateText = "{{ko_with $item.koBindingContext}}" + templateText + "{{/ko_with}}";
precompiled = jQueryInstance['template'](null, templateText);
templateSource['data']('precompiled', precompiled);
}
var data = [bindingContext['$data']];
var jQueryTemplateOptions = jQueryInstance['extend']({'koBindingContext': bindingContext}, options['templateOptions']);
var resultNodes = executeTemplate(precompiled, data, jQueryTemplateOptions);
resultNodes['appendTo'](templateDocument.createElement("div"));
jQueryInstance['fragments'] = {};
return resultNodes;
};
this['createJavaScriptEvaluatorBlock'] = function(script) {
return "{{ko_code ((function() { return " + script + " })()) }}";
};
this['addTemplate'] = function(templateName, templateMarkup) {
document.write("<script type='text/html' id='" + templateName + "'>" + templateMarkup + "<" + "/script>");
};
if (jQueryTmplVersion > 0) {
jQueryInstance['tmpl']['tag']['ko_code'] = {open: "__.push($1 || '');"};
jQueryInstance['tmpl']['tag']['ko_with'] = {
open: "with($1) {",
close: "} "
};
}
};
ko.jqueryTmplTemplateEngine.prototype = new ko.templateEngine();
ko.jqueryTmplTemplateEngine.prototype.constructor = ko.jqueryTmplTemplateEngine;
var jqueryTmplTemplateEngineInstance = new ko.jqueryTmplTemplateEngine();
if (jqueryTmplTemplateEngineInstance.jQueryTmplVersion > 0)
ko.setTemplateEngine(jqueryTmplTemplateEngineInstance);
ko.exportSymbol('jqueryTmplTemplateEngine', ko.jqueryTmplTemplateEngine);
})();
}));
}());
})();
})();
return _retrieveGlobal();
});
System.registerDynamic("github:knockout/knockout@3.3.0.js", ["github:knockout/knockout@3.3.0/dist/knockout.debug.js"], true, function(require, exports, module) {
var global = this,
__define = global.define;
global.define = undefined;
module.exports = require("github:knockout/knockout@3.3.0/dist/knockout.debug.js");
global.define = __define;
return module.exports;
});
(function() {
var _removeDefine = System.get("@@amd-helpers").createDefine();
!function(a) {
"function" == typeof require && "object" == typeof exports && "object" == typeof module ? a(require("knockout"), exports) : "function" == typeof define && define.amd ? define("github:rniemeyer/knockout-delegatedEvents@0.6.0/build/knockout-delegatedEvents.min.js", ["github:knockout/knockout@3.3.0.js", "exports"], a) : a(ko, ko.actions = {});
}(function(a, b) {
function c(b, c, d, e) {
for (var f = "data-" + e + "-parent"; c && 1 === c.nodeType && !c.disabled && !c.hasAttribute(f); )
c = c !== d ? c.parentNode : null;
if (c) {
var g = c.getAttribute(f),
h = "true" === g ? b : b[g];
return h && "function" == typeof h ? {
method: h,
element: c,
owner: a.dataFor(d)
} : void 0;
}
}
function d(b, c, d) {
for (var e,
f,
g,
h,
k = "data-" + d,
l = i + d,
m = j + d,
n = "data-" + d + "-parent"; !e && b && b !== c; )
1 !== b.nodeType || b.disabled || (g ? (e = a.utils.domData.get(b, m), e && (e = "true" === g ? e : e[g], f = a.dataFor(b))) : (e = b.getAttribute(k) || a.utils.domData.get(b, l), e || (g = b.getAttribute(n), g && (h = b)))), e || (b = b.parentNode);
return e ? {
method: e,
element: h || b,
owner: f
} : void 0;
}
function e(c, d, e, f) {
return function(g) {
var h = f(g.target || g.srcElement, d, c);
if (h) {
var i,
j,
k,
l,
m,
n,
o = h.element,
p = h.method,
q = h.owner;
if (p) {
if (j = a.contextFor(o)) {
for (; o && o !== d; ) {
if (o.disabled)
return;
o = o.parentNode;
}
i = j.$data, "string" == typeof p ? (p in b ? (m = b[p], m && (k = "function" == typeof m ? m : m.action, q = m.owner || i)) : i && i[p] && "function" == typeof i[p] && (k = i[p], q = i), k || (l = a.utils.arrayFirst(j.$parents, function(a) {
return a[p] && "function" == typeof a[p];
}), k = l && l[p], q = l)) : "function" == typeof p && (k = p, q = q || i);
}
k && (n = "submit" === c ? k.call(i, g.target) : k.call(q, i, g), n !== !0 && (g.preventDefault ? g.preventDefault() : g.returnValue = !1), e !== !0 && (g.cancelBubble = !0, "function" == typeof g.stopPropagation && g.stopPropagation()));
}
}
};
}
function f(a, b) {
return a + b.substr(0, 1).toUpperCase() + b.slice(1);
}
function g(b, c) {
a.bindingHandlers[b] || (a.bindingHandlers[b] = {init: function(b, d) {
var e = d();
a.utils.domData.set(b, c, e);
}});
}
function h(a) {
g(f("delegated", a), i + a), g(f("delegatedParent", a), j + a);
}
var i = "ko_delegated_",
j = "ko_delegated_parent_";
a.bindingHandlers.delegatedHandler = {init: function(b, c, g) {
var i = a.utils.unwrapObservable(c()) || [];
"string" == typeof i && (i = [i]), a.utils.arrayForEach(i, function(c) {
var i = g.get(f("delegated", c + "Bubble")) === !0;
h(c), a.utils.registerEventHandler(b, c, e(c, b, i, d));
});
}}, a.bindingHandlers.delegatedParentHandler = {init: function(b, d, g) {
var h = a.utils.unwrapObservable(d());
a.utils.objectForEach(h, function(d) {
var i = g.get(f("delegated", d + "Bubble")) === !0;
a.utils.registerEventHandler(b, d, e(d, b, i, c.bind(null, h[d])));
});
}};
});
_removeDefine();
})();
(function() {
var _removeDefine = System.get("@@amd-helpers").createDefine();
define("github:rniemeyer/knockout-delegatedEvents@0.6.0.js", ["github:rniemeyer/knockout-delegatedEvents@0.6.0/build/knockout-delegatedEvents.min.js"], function(main) {
return main;
});
_removeDefine();
})();
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