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@c4milo c4milo/ui.core.js
Created Sep 9, 2009

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/*
* jQuery UI 1.7.2
*
* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI
*/
;jQuery.ui || (function($) {
var _remove = $.fn.remove,
isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);
//Helper functions and ui object
$.ui = {
version: "1.7.2",
// $.ui.plugin is deprecated. Use the proxy pattern instead.
plugin: {
add: function(module, option, set) {
var proto = $.ui[module].prototype;
for(var i in set) {
proto.plugins[i] = proto.plugins[i] || [];
proto.plugins[i].push([option, set[i]]);
}
},
call: function(instance, name, args) {
var set = instance.plugins[name];
if(!set || !instance.element[0].parentNode) { return; }
for (var i = 0; i < set.length; i++) {
if (instance.options[set[i][0]]) {
set[i][1].apply(instance.element, args);
}
}
}
},
contains: function(a, b) {
return document.compareDocumentPosition
? a.compareDocumentPosition(b) & 16
: a !== b && a.contains(b);
},
hasScroll: function(el, a) {
//If overflow is hidden, the element might have extra content, but the user wants to hide it
if ($(el).css('overflow') == 'hidden') { return false; }
var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',
has = false;
if (el[scroll] > 0) { return true; }
// TODO: determine which cases actually cause this to happen
// if the element doesn't have the scroll set, see if it's possible to
// set the scroll
el[scroll] = 1;
has = (el[scroll] > 0);
el[scroll] = 0;
return has;
},
isOverAxis: function(x, reference, size) {
//Determines when x coordinate is over "b" element axis
return (x > reference) && (x < (reference + size));
},
isOver: function(y, x, top, left, height, width) {
//Determines when x, y coordinates is over "b" element
return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);
},
keyCode: {
BACKSPACE: 8,
CAPS_LOCK: 20,
COMMA: 188,
CONTROL: 17,
DELETE: 46,
DOWN: 40,
END: 35,
ENTER: 13,
ESCAPE: 27,
HOME: 36,
INSERT: 45,
LEFT: 37,
NUMPAD_ADD: 107,
NUMPAD_DECIMAL: 110,
NUMPAD_DIVIDE: 111,
NUMPAD_ENTER: 108,
NUMPAD_MULTIPLY: 106,
NUMPAD_SUBTRACT: 109,
PAGE_DOWN: 34,
PAGE_UP: 33,
PERIOD: 190,
RIGHT: 39,
SHIFT: 16,
SPACE: 32,
TAB: 9,
UP: 38
}
};
// WAI-ARIA normalization
if (isFF2) {
var attr = $.attr,
removeAttr = $.fn.removeAttr,
ariaNS = "http://www.w3.org/2005/07/aaa",
ariaState = /^aria-/,
ariaRole = /^wairole:/;
$.attr = function(elem, name, value) {
var set = value !== undefined;
return (name == 'role'
? (set
? attr.call(this, elem, name, "wairole:" + value)
: (attr.apply(this, arguments) || "").replace(ariaRole, ""))
: (ariaState.test(name)
? (set
? elem.setAttributeNS(ariaNS,
name.replace(ariaState, "aaa:"), value)
: attr.call(this, elem, name.replace(ariaState, "aaa:")))
: attr.apply(this, arguments)));
};
$.fn.removeAttr = function(name) {
return (ariaState.test(name)
? this.each(function() {
this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));
}) : removeAttr.call(this, name));
};
}
//jQuery plugins
$.fn.extend({
remove: function() {
// Safari has a native remove event which actually removes DOM elements,
// so we have to use triggerHandler instead of trigger (#3037).
$("*", this).add(this).each(function() {
$(this).triggerHandler("remove");
});
return _remove.apply(this, arguments );
},
enableSelection: function() {
return this
.attr('unselectable', 'off')
.css('MozUserSelect', '')
.unbind('selectstart.ui');
},
disableSelection: function() {
return this
.attr('unselectable', 'on')
.css('MozUserSelect', 'none')
.bind('selectstart.ui', function() { return false; });
},
scrollParent: function() {
var scrollParent;
if(($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
scrollParent = this.parents().filter(function() {
return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
}).eq(0);
} else {
scrollParent = this.parents().filter(function() {
return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
}).eq(0);
}
return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
}
});
//Additional selectors
$.extend($.expr[':'], {
data: function(elem, i, match) {
return !!$.data(elem, match[3]);
},
focusable: function(element) {
var nodeName = element.nodeName.toLowerCase(),
tabIndex = $.attr(element, 'tabindex');
return (/input|select|textarea|button|object/.test(nodeName)
? !element.disabled
: 'a' == nodeName || 'area' == nodeName
? element.href || !isNaN(tabIndex)
: !isNaN(tabIndex))
// the element and all of its ancestors must be visible
// the browser may report that the area is hidden
&& !$(element)['area' == nodeName ? 'parents' : 'closest'](':hidden').length;
},
tabbable: function(element) {
var tabIndex = $.attr(element, 'tabindex');
return (isNaN(tabIndex) || tabIndex >= 0) && $(element).is(':focusable');
}
});
// $.widget is a factory to create jQuery plugins
// taking some boilerplate code out of the plugin code
function getter(namespace, plugin, method, args) {
function getMethods(type) {
var methods = $[namespace][plugin][type] || [];
return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);
}
var methods = getMethods('getter');
if (args.length == 1 && typeof args[0] == 'string') {
methods = methods.concat(getMethods('getterSetter'));
}
return ($.inArray(method, methods) != -1);
}
$.widget = function(name, prototype) {
var namespace = name.split(".")[0];
name = name.split(".")[1];
// create plugin method
$.fn[name] = function(options) {
var isMethodCall = (typeof options == 'string'),
args = Array.prototype.slice.call(arguments, 1);
// prevent calls to internal methods
if (isMethodCall && options.substring(0, 1) == '_') {
return this;
}
// handle getter methods
if (isMethodCall && getter(namespace, name, options, args)) {
var instance = $.data(this[0], name);
return (instance ? instance[options].apply(instance, args)
: undefined);
}
// handle initialization and non-getter methods
return this.each(function() {
var instance = $.data(this, name);
// constructor
(!instance && !isMethodCall &&
$.data(this, name, new $[namespace][name](this, options))._init());
// method call
(instance && isMethodCall && $.isFunction(instance[options]) &&
instance[options].apply(instance, args));
});
};
// create widget constructor
$[namespace] = $[namespace] || {};
$[namespace][name] = function(element, options) {
var self = this;
this.namespace = namespace;
this.widgetName = name;
this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
this.widgetBaseClass = namespace + '-' + name;
this.options = $.extend({},
$.widget.defaults,
$[namespace][name].defaults,
$.metadata && $.metadata.get(element)[name],
options);
this.element = $(element)
.bind('setData.' + name, function(event, key, value) {
if (event.target == element) {
return self._setData(key, value);
}
})
.bind('getData.' + name, function(event, key) {
if (event.target == element) {
return self._getData(key);
}
})
.bind('remove', function() {
return self.destroy();
});
};
// add widget prototype
$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
// TODO: merge getter and getterSetter properties from widget prototype
// and plugin prototype
$[namespace][name].getterSetter = 'option';
};
$.widget.prototype = {
_init: function() {},
destroy: function() {
this.element.removeData(this.widgetName)
.removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled')
.removeAttr('aria-disabled');
},
option: function(key, value) {
var options = key,
self = this;
if (typeof key == "string") {
if (value === undefined) {
return this._getData(key);
}
options = {};
options[key] = value;
}
$.each(options, function(key, value) {
self._setData(key, value);
});
},
_getData: function(key) {
return this.options[key];
},
_setData: function(key, value) {
this.options[key] = value;
if (key == 'disabled') {
this.element
[value ? 'addClass' : 'removeClass'](
this.widgetBaseClass + '-disabled' + ' ' +
this.namespace + '-state-disabled')
.attr("aria-disabled", value);
}
},
enable: function() {
this._setData('disabled', false);
},
disable: function() {
this._setData('disabled', true);
},
_trigger: function(type, event, data) {
var callback = this.options[type],
eventName = (type == this.widgetEventPrefix
? type : this.widgetEventPrefix + type);
event = $.Event(event);
event.type = eventName;
// copy original event
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