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LuisSevillano/.block

Last active February 22, 2017 18:02
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Color ramp maker
Raw
.block
border: none
height: 600
Raw
README.md

Easy tool for extract linear gradients. It uses d3.scaleLinear and jscolor for pickers.
Choose the colors and click on build to watch the color ramp.
If you want to copy the hexadecimal code just click on the color and the code will be copy to your clipboard.

Raw
index.html
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<!-- https://github.com/EastDesire/jscolor -->
<script src="jscolor.js"></script>
<style>
body { font-family: sans-serif; }
.entries { padding: 0.3rem 0.1rem; }
.inputs label { display: block; }
label, button { font-size: 1rem; color: rgb(80, 80, 80); }
input { margin-bottom: 1rem; margin-top: 0.4rem; }
label { width: 12rem; }
input.copy,
input.jscolor,
input#entries,
button { padding: 0.3rem 0.5rem; border-radius: .1rem; }
.entries { cursor: pointer; padding-left: 0.5rem;}
.msg { color: rgb(150,150,150); padding: 0 0.5rem; }
input.jscolor, input#entries { margin: 8px 0; border: 1px solid #ccc; box-sizing: border-box; }
input.copy { width: 3.5rem; margin-left: 0.5rem; height: 1.1rem; }
button,
input.copy {
background-color: white;
border: 1px solid rgb(102, 102, 102);
box-shadow: 1px 1px 1px rgba(100, 100, 100, .5);
font-weight: bold;
}
.entries-group {
letter-spacing: 0.05rem;
padding: 0.3rem 0;
color: white;
text-shadow: 1px 1px 3px rgba(50, 50, 50, .9), 1px -1px 3px rgba(50, 50, 50, .9), -1px 1px 3px rgba(50, 50, 50, .9), -1px -1px 3px rgba(50, 50, 50, .9);
}
</style>
</head>
<body>
<div class="inputs">
<label for="low_value">From<input id="low_value" class="jscolor" value="DD503C"></label>
<label for="high_value">To<input id="high_value" class="jscolor" value="497B94"></label>
<label for="entries">Number of entries<input id="entries" type="number" name="entries" value="10" max="200", min="0"></label>
<button id="colorize" type="button" name="button">build</button><input type="text" class="copy" disabled><span class="msg"></span>
</div>
<script>
d3.select("#colorize").on("click", colorize);
function colorize () {
var low_color = "#" + document.getElementById("low_value").value,
high_color = "#" + document.getElementById("high_value").value,
entries = +document.getElementById("entries").value,
values = d3.range(0, entries, 1);
var color = d3.scaleLinear()
.domain([0, entries - 1])
.range([low_color,high_color])
d3.select("body").select(".entries-group").remove();
var group = d3.select("body").append("div").attr('class', 'entries-group');
group.selectAll("entries").data(values)
.enter()
.append("div")
.attr('class', 'entries')
.html(function(d){ return rgb2hex(color(d)) })
.style("background-color", function(d){
return color(d)
})
.on("click", copy)
}
function rgb2hex(rgb){
rgb = rgb.match(/^rgba?[\s+]?\([\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?,[\s+]?(\d+)[\s+]?/i);
return (rgb && rgb.length === 4) ? "#" +
("0" + parseInt(rgb[1],10).toString(16)).slice(-2) +
("0" + parseInt(rgb[2],10).toString(16)).slice(-2) +
("0" + parseInt(rgb[3],10).toString(16)).slice(-2) : '';
}
function copy(d){
var t = d3.transition().duration(1500).ease(d3.easeCubicOut);
d3.select(".msg").interrupt()
d3.select(".copy").attr('disabled', null);
// reset opacity
d3.select(".msg").style("opacity", 1);
var colorString = this.innerText.slice(1);
d3.select(".copy").attr('value', colorString)
var inputColor = document.querySelector(".copy");
inputColor.select();
// http://stackoverflow.com/questions/400212/how-do-i-copy-to-the-clipboard-in-javascript
try {
var successful = document.execCommand('copy');
d3.select(".msg").html('Copied!').transition(t).style("opacity", 0);
} catch (err) {
d3.select(".msg").html('Oops, unable to copy');
}
d3.select(".copy").attr('disabled', true);
}
</script>
</body>
Raw
jscolor.js
/**
* jscolor - JavaScript Color Picker
*
* @link http://jscolor.com
* @license For open source use: GPLv3
* For commercial use: JSColor Commercial License
* @author Jan Odvarko
*
* See usage examples at http://jscolor.com/examples/
*/
"use strict";
if (!window.jscolor) { window.jscolor = (function () {
var jsc = {
register : function () {
jsc.attachDOMReadyEvent(jsc.init);
jsc.attachEvent(document, 'mousedown', jsc.onDocumentMouseDown);
jsc.attachEvent(document, 'touchstart', jsc.onDocumentTouchStart);
jsc.attachEvent(window, 'resize', jsc.onWindowResize);
},
init : function () {
if (jsc.jscolor.lookupClass) {
jsc.jscolor.installByClassName(jsc.jscolor.lookupClass);
}
},
tryInstallOnElements : function (elms, className) {
var matchClass = new RegExp('(^|\\s)(' + className + ')(\\s*(\\{[^}]*\\})|\\s|$)', 'i');
for (var i = 0; i < elms.length; i += 1) {
if (elms[i].type !== undefined && elms[i].type.toLowerCase() == 'color') {
if (jsc.isColorAttrSupported) {
// skip inputs of type 'color' if supported by the browser
continue;
}
}
var m;
if (!elms[i].jscolor && elms[i].className && (m = elms[i].className.match(matchClass))) {
var targetElm = elms[i];
var optsStr = null;
var dataOptions = jsc.getDataAttr(targetElm, 'jscolor');
if (dataOptions !== null) {
optsStr = dataOptions;
} else if (m[4]) {
optsStr = m[4];
}
var opts = {};
if (optsStr) {
try {
opts = (new Function ('return (' + optsStr + ')'))();
} catch(eParseError) {
jsc.warn('Error parsing jscolor options: ' + eParseError + ':\n' + optsStr);
}
}
targetElm.jscolor = new jsc.jscolor(targetElm, opts);
}
}
},
isColorAttrSupported : (function () {
var elm = document.createElement('input');
if (elm.setAttribute) {
elm.setAttribute('type', 'color');
if (elm.type.toLowerCase() == 'color') {
return true;
}
}
return false;
})(),
isCanvasSupported : (function () {
var elm = document.createElement('canvas');
return !!(elm.getContext && elm.getContext('2d'));
})(),
fetchElement : function (mixed) {
return typeof mixed === 'string' ? document.getElementById(mixed) : mixed;
},
isElementType : function (elm, type) {
return elm.nodeName.toLowerCase() === type.toLowerCase();
},
getDataAttr : function (el, name) {
var attrName = 'data-' + name;
var attrValue = el.getAttribute(attrName);
if (attrValue !== null) {
return attrValue;
}
return null;
},
attachEvent : function (el, evnt, func) {
if (el.addEventListener) {
el.addEventListener(evnt, func, false);
} else if (el.attachEvent) {
el.attachEvent('on' + evnt, func);
}
},
detachEvent : function (el, evnt, func) {
if (el.removeEventListener) {
el.removeEventListener(evnt, func, false);
} else if (el.detachEvent) {
el.detachEvent('on' + evnt, func);
}
},
_attachedGroupEvents : {},
attachGroupEvent : function (groupName, el, evnt, func) {
if (!jsc._attachedGroupEvents.hasOwnProperty(groupName)) {
jsc._attachedGroupEvents[groupName] = [];
}
jsc._attachedGroupEvents[groupName].push([el, evnt, func]);
jsc.attachEvent(el, evnt, func);
},
detachGroupEvents : function (groupName) {
if (jsc._attachedGroupEvents.hasOwnProperty(groupName)) {
for (var i = 0; i < jsc._attachedGroupEvents[groupName].length; i += 1) {
var evt = jsc._attachedGroupEvents[groupName][i];
jsc.detachEvent(evt[0], evt[1], evt[2]);
}
delete jsc._attachedGroupEvents[groupName];
}
},
attachDOMReadyEvent : function (func) {
var fired = false;
var fireOnce = function () {
if (!fired) {
fired = true;
func();
}
};
if (document.readyState === 'complete') {
setTimeout(fireOnce, 1); // async
return;
}
if (document.addEventListener) {
document.addEventListener('DOMContentLoaded', fireOnce, false);
// Fallback
window.addEventListener('load', fireOnce, false);
} else if (document.attachEvent) {
// IE
document.attachEvent('onreadystatechange', function () {
if (document.readyState === 'complete') {
document.detachEvent('onreadystatechange', arguments.callee);
fireOnce();
}
})
// Fallback
window.attachEvent('onload', fireOnce);
// IE7/8
if (document.documentElement.doScroll && window == window.top) {
var tryScroll = function () {
if (!document.body) { return; }
try {
document.documentElement.doScroll('left');
fireOnce();
} catch (e) {
setTimeout(tryScroll, 1);
}
};
tryScroll();
}
}
},
warn : function (msg) {
if (window.console && window.console.warn) {
window.console.warn(msg);
}
},
preventDefault : function (e) {
if (e.preventDefault) { e.preventDefault(); }
e.returnValue = false;
},
captureTarget : function (target) {
// IE
if (target.setCapture) {
jsc._capturedTarget = target;
jsc._capturedTarget.setCapture();
}
},
releaseTarget : function () {
// IE
if (jsc._capturedTarget) {
jsc._capturedTarget.releaseCapture();
jsc._capturedTarget = null;
}
},
fireEvent : function (el, evnt) {
if (!el) {
return;
}
if (document.createEvent) {
var ev = document.createEvent('HTMLEvents');
ev.initEvent(evnt, true, true);
el.dispatchEvent(ev);
} else if (document.createEventObject) {
var ev = document.createEventObject();
el.fireEvent('on' + evnt, ev);
} else if (el['on' + evnt]) { // alternatively use the traditional event model
el['on' + evnt]();
}
},
classNameToList : function (className) {
return className.replace(/^\s+|\s+$/g, '').split(/\s+/);
},
// The className parameter (str) can only contain a single class name
hasClass : function (elm, className) {
if (!className) {
return false;
}
return -1 != (' ' + elm.className.replace(/\s+/g, ' ') + ' ').indexOf(' ' + className + ' ');
},
// The className parameter (str) can contain multiple class names separated by whitespace
setClass : function (elm, className) {
var classList = jsc.classNameToList(className);
for (var i = 0; i < classList.length; i += 1) {
if (!jsc.hasClass(elm, classList[i])) {
elm.className += (elm.className ? ' ' : '') + classList[i];
}
}
},
// The className parameter (str) can contain multiple class names separated by whitespace
unsetClass : function (elm, className) {
var classList = jsc.classNameToList(className);
for (var i = 0; i < classList.length; i += 1) {
var repl = new RegExp(
'^\\s*' + classList[i] + '\\s*|' +
'\\s*' + classList[i] + '\\s*$|' +
'\\s+' + classList[i] + '(\\s+)',
'g'
);
elm.className = elm.className.replace(repl, '$1');
}
},
getStyle : function (elm) {
return window.getComputedStyle ? window.getComputedStyle(elm) : elm.currentStyle;
},
setStyle : (function () {
var helper = document.createElement('div');
var getSupportedProp = function (names) {
for (var i = 0; i < names.length; i += 1) {
if (names[i] in helper.style) {
return names[i];
}
}
};
var props = {
borderRadius: getSupportedProp(['borderRadius', 'MozBorderRadius', 'webkitBorderRadius']),
boxShadow: getSupportedProp(['boxShadow', 'MozBoxShadow', 'webkitBoxShadow'])
};
return function (elm, prop, value) {
switch (prop.toLowerCase()) {
case 'opacity':
var alphaOpacity = Math.round(parseFloat(value) * 100);
elm.style.opacity = value;
elm.style.filter = 'alpha(opacity=' + alphaOpacity + ')';
break;
default:
elm.style[props[prop]] = value;
break;
}
};
})(),
setBorderRadius : function (elm, value) {
jsc.setStyle(elm, 'borderRadius', value || '0');
},
setBoxShadow : function (elm, value) {
jsc.setStyle(elm, 'boxShadow', value || 'none');
},
getElementPos : function (e, relativeToViewport) {
var x=0, y=0;
var rect = e.getBoundingClientRect();
x = rect.left;
y = rect.top;
if (!relativeToViewport) {
var viewPos = jsc.getViewPos();
x += viewPos[0];
y += viewPos[1];
}
return [x, y];
},
getElementSize : function (e) {
return [e.offsetWidth, e.offsetHeight];
},
// get pointer's X/Y coordinates relative to viewport
getAbsPointerPos : function (e) {
if (!e) { e = window.event; }
var x = 0, y = 0;
if (typeof e.changedTouches !== 'undefined' && e.changedTouches.length) {
// touch devices
x = e.changedTouches[0].clientX;
y = e.changedTouches[0].clientY;
} else if (typeof e.clientX === 'number') {
x = e.clientX;
y = e.clientY;
}
return { x: x, y: y };
},
// get pointer's X/Y coordinates relative to target element
getRelPointerPos : function (e) {
if (!e) { e = window.event; }
var target = e.target || e.srcElement;
var targetRect = target.getBoundingClientRect();
var x = 0, y = 0;
var clientX = 0, clientY = 0;
if (typeof e.changedTouches !== 'undefined' && e.changedTouches.length) {
// touch devices
clientX = e.changedTouches[0].clientX;
clientY = e.changedTouches[0].clientY;
} else if (typeof e.clientX === 'number') {
clientX = e.clientX;
clientY = e.clientY;
}
x = clientX - targetRect.left;
y = clientY - targetRect.top;
return { x: x, y: y };
},
getViewPos : function () {
var doc = document.documentElement;
return [
(window.pageXOffset || doc.scrollLeft) - (doc.clientLeft || 0),
(window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0)
];
},
getViewSize : function () {
var doc = document.documentElement;
return [
(window.innerWidth || doc.clientWidth),
(window.innerHeight || doc.clientHeight),
];
},
redrawPosition : function () {
if (jsc.picker && jsc.picker.owner) {
var thisObj = jsc.picker.owner;
var tp, vp;
if (thisObj.fixed) {
// Fixed elements are positioned relative to viewport,
// therefore we can ignore the scroll offset
tp = jsc.getElementPos(thisObj.targetElement, true); // target pos
vp = [0, 0]; // view pos
} else {
tp = jsc.getElementPos(thisObj.targetElement); // target pos
vp = jsc.getViewPos(); // view pos
}
var ts = jsc.getElementSize(thisObj.targetElement); // target size
var vs = jsc.getViewSize(); // view size
var ps = jsc.getPickerOuterDims(thisObj); // picker size
var a, b, c;
switch (thisObj.position.toLowerCase()) {
case 'left': a=1; b=0; c=-1; break;
case 'right':a=1; b=0; c=1; break;
case 'top': a=0; b=1; c=-1; break;
default: a=0; b=1; c=1; break;
}
var l = (ts[b]+ps[b])/2;
// compute picker position
if (!thisObj.smartPosition) {
var pp = [
tp[a],
tp[b]+ts[b]-l+l*c
];
} else {
var pp = [
-vp[a]+tp[a]+ps[a] > vs[a] ?
(-vp[a]+tp[a]+ts[a]/2 > vs[a]/2 && tp[a]+ts[a]-ps[a] >= 0 ? tp[a]+ts[a]-ps[a] : tp[a]) :
tp[a],
-vp[b]+tp[b]+ts[b]+ps[b]-l+l*c > vs[b] ?
(-vp[b]+tp[b]+ts[b]/2 > vs[b]/2 && tp[b]+ts[b]-l-l*c >= 0 ? tp[b]+ts[b]-l-l*c : tp[b]+ts[b]-l+l*c) :
(tp[b]+ts[b]-l+l*c >= 0 ? tp[b]+ts[b]-l+l*c : tp[b]+ts[b]-l-l*c)
];
}
var x = pp[a];
var y = pp[b];
var positionValue = thisObj.fixed ? 'fixed' : 'absolute';
var contractShadow =
(pp[0] + ps[0] > tp[0] || pp[0] < tp[0] + ts[0]) &&
(pp[1] + ps[1] < tp[1] + ts[1]);
jsc._drawPosition(thisObj, x, y, positionValue, contractShadow);
}
},
_drawPosition : function (thisObj, x, y, positionValue, contractShadow) {
var vShadow = contractShadow ? 0 : thisObj.shadowBlur; // px
jsc.picker.wrap.style.position = positionValue;
jsc.picker.wrap.style.left = x + 'px';
jsc.picker.wrap.style.top = y + 'px';
jsc.setBoxShadow(
jsc.picker.boxS,
thisObj.shadow ?
new jsc.BoxShadow(0, vShadow, thisObj.shadowBlur, 0, thisObj.shadowColor) :
null);
},
getPickerDims : function (thisObj) {
var displaySlider = !!jsc.getSliderComponent(thisObj);
var dims = [
2 * thisObj.insetWidth + 2 * thisObj.padding + thisObj.width +
(displaySlider ? 2 * thisObj.insetWidth + jsc.getPadToSliderPadding(thisObj) + thisObj.sliderSize : 0),
2 * thisObj.insetWidth + 2 * thisObj.padding + thisObj.height +
(thisObj.closable ? 2 * thisObj.insetWidth + thisObj.padding + thisObj.buttonHeight : 0)
];
return dims;
},
getPickerOuterDims : function (thisObj) {
var dims = jsc.getPickerDims(thisObj);
return [
dims[0] + 2 * thisObj.borderWidth,
dims[1] + 2 * thisObj.borderWidth
];
},
getPadToSliderPadding : function (thisObj) {
return Math.max(thisObj.padding, 1.5 * (2 * thisObj.pointerBorderWidth + thisObj.pointerThickness));
},
getPadYComponent : function (thisObj) {
switch (thisObj.mode.charAt(1).toLowerCase()) {
case 'v': return 'v'; break;
}
return 's';
},
getSliderComponent : function (thisObj) {
if (thisObj.mode.length > 2) {
switch (thisObj.mode.charAt(2).toLowerCase()) {
case 's': return 's'; break;
case 'v': return 'v'; break;
}
}
return null;
},
onDocumentMouseDown : function (e) {
if (!e) { e = window.event; }
var target = e.target || e.srcElement;
if (target._jscLinkedInstance) {
if (target._jscLinkedInstance.showOnClick) {
target._jscLinkedInstance.show();
}
} else if (target._jscControlName) {
jsc.onControlPointerStart(e, target, target._jscControlName, 'mouse');
} else {
// Mouse is outside the picker controls -> hide the color picker!
if (jsc.picker && jsc.picker.owner) {
jsc.picker.owner.hide();
}
}
},
onDocumentTouchStart : function (e) {
if (!e) { e = window.event; }
var target = e.target || e.srcElement;
if (target._jscLinkedInstance) {
if (target._jscLinkedInstance.showOnClick) {
target._jscLinkedInstance.show();
}
} else if (target._jscControlName) {
jsc.onControlPointerStart(e, target, target._jscControlName, 'touch');
} else {
if (jsc.picker && jsc.picker.owner) {
jsc.picker.owner.hide();
}
}
},
onWindowResize : function (e) {
jsc.redrawPosition();
},
onParentScroll : function (e) {
// hide the picker when one of the parent elements is scrolled
if (jsc.picker && jsc.picker.owner) {
jsc.picker.owner.hide();
}
},
_pointerMoveEvent : {
mouse: 'mousemove',
touch: 'touchmove'
},
_pointerEndEvent : {
mouse: 'mouseup',
touch: 'touchend'
},
_pointerOrigin : null,
_capturedTarget : null,
onControlPointerStart : function (e, target, controlName, pointerType) {
var thisObj = target._jscInstance;
jsc.preventDefault(e);
jsc.captureTarget(target);
var registerDragEvents = function (doc, offset) {
jsc.attachGroupEvent('drag', doc, jsc._pointerMoveEvent[pointerType],
jsc.onDocumentPointerMove(e, target, controlName, pointerType, offset));
jsc.attachGroupEvent('drag', doc, jsc._pointerEndEvent[pointerType],
jsc.onDocumentPointerEnd(e, target, controlName, pointerType));
};
registerDragEvents(document, [0, 0]);
if (window.parent && window.frameElement) {
var rect = window.frameElement.getBoundingClientRect();
var ofs = [-rect.left, -rect.top];
registerDragEvents(window.parent.window.document, ofs);
}
var abs = jsc.getAbsPointerPos(e);
var rel = jsc.getRelPointerPos(e);
jsc._pointerOrigin = {
x: abs.x - rel.x,
y: abs.y - rel.y
};
switch (controlName) {
case 'pad':
// if the slider is at the bottom, move it up
switch (jsc.getSliderComponent(thisObj)) {
case 's': if (thisObj.hsv[1] === 0) { thisObj.fromHSV(null, 100, null); }; break;
case 'v': if (thisObj.hsv[2] === 0) { thisObj.fromHSV(null, null, 100); }; break;
}
jsc.setPad(thisObj, e, 0, 0);
break;
case 'sld':
jsc.setSld(thisObj, e, 0);
break;
}
jsc.dispatchFineChange(thisObj);
},
onDocumentPointerMove : function (e, target, controlName, pointerType, offset) {
return function (e) {
var thisObj = target._jscInstance;
switch (controlName) {
case 'pad':
if (!e) { e = window.event; }
jsc.setPad(thisObj, e, offset[0], offset[1]);
jsc.dispatchFineChange(thisObj);
break;
case 'sld':
if (!e) { e = window.event; }
jsc.setSld(thisObj, e, offset[1]);
jsc.dispatchFineChange(thisObj);
break;
}
}
},
onDocumentPointerEnd : function (e, target, controlName, pointerType) {
return function (e) {
var thisObj = target._jscInstance;
jsc.detachGroupEvents('drag');
jsc.releaseTarget();
// Always dispatch changes after detaching outstanding mouse handlers,
// in case some user interaction will occur in user's onchange callback
// that would intrude with current mouse events
jsc.dispatchChange(thisObj);
};
},
dispatchChange : function (thisObj) {
if (thisObj.valueElement) {
if (jsc.isElementType(thisObj.valueElement, 'input')) {
jsc.fireEvent(thisObj.valueElement, 'change');
}
}
},
dispatchFineChange : function (thisObj) {
if (thisObj.onFineChange) {
var callback;
if (typeof thisObj.onFineChange === 'string') {
callback = new Function (thisObj.onFineChange);
} else {
callback = thisObj.onFineChange;
}
callback.call(thisObj);
}
},
setPad : function (thisObj, e, ofsX, ofsY) {
var pointerAbs = jsc.getAbsPointerPos(e);
var x = ofsX + pointerAbs.x - jsc._pointerOrigin.x - thisObj.padding - thisObj.insetWidth;
var y = ofsY + pointerAbs.y - jsc._pointerOrigin.y - thisObj.padding - thisObj.insetWidth;
var xVal = x * (360 / (thisObj.width - 1));
var yVal = 100 - (y * (100 / (thisObj.height - 1)));
switch (jsc.getPadYComponent(thisObj)) {
case 's': thisObj.fromHSV(xVal, yVal, null, jsc.leaveSld); break;
case 'v': thisObj.fromHSV(xVal, null, yVal, jsc.leaveSld); break;
}
},
setSld : function (thisObj, e, ofsY) {
var pointerAbs = jsc.getAbsPointerPos(e);
var y = ofsY + pointerAbs.y - jsc._pointerOrigin.y - thisObj.padding - thisObj.insetWidth;
var yVal = 100 - (y * (100 / (thisObj.height - 1)));
switch (jsc.getSliderComponent(thisObj)) {
case 's': thisObj.fromHSV(null, yVal, null, jsc.leavePad); break;
case 'v': thisObj.fromHSV(null, null, yVal, jsc.leavePad); break;
}
},
_vmlNS : 'jsc_vml_',
_vmlCSS : 'jsc_vml_css_',
_vmlReady : false,
initVML : function () {
if (!jsc._vmlReady) {
// init VML namespace
var doc = document;
if (!doc.namespaces[jsc._vmlNS]) {
doc.namespaces.add(jsc._vmlNS, 'urn:schemas-microsoft-com:vml');
}
if (!doc.styleSheets[jsc._vmlCSS]) {
var tags = ['shape', 'shapetype', 'group', 'background', 'path', 'formulas', 'handles', 'fill', 'stroke', 'shadow', 'textbox', 'textpath', 'imagedata', 'line', 'polyline', 'curve', 'rect', 'roundrect', 'oval', 'arc', 'image'];
var ss = doc.createStyleSheet();
ss.owningElement.id = jsc._vmlCSS;
for (var i = 0; i < tags.length; i += 1) {
ss.addRule(jsc._vmlNS + '\\:' + tags[i], 'behavior:url(#default#VML);');
}
}
jsc._vmlReady = true;
}
},
createPalette : function () {
var paletteObj = {
elm: null,
draw: null
};
if (jsc.isCanvasSupported) {
// Canvas implementation for modern browsers
var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d');
var drawFunc = function (width, height, type) {
canvas.width = width;
canvas.height = height;
ctx.clearRect(0, 0, canvas.width, canvas.height);
var hGrad = ctx.createLinearGradient(0, 0, canvas.width, 0);
hGrad.addColorStop(0 / 6, '#F00');
hGrad.addColorStop(1 / 6, '#FF0');
hGrad.addColorStop(2 / 6, '#0F0');
hGrad.addColorStop(3 / 6, '#0FF');
hGrad.addColorStop(4 / 6, '#00F');
hGrad.addColorStop(5 / 6, '#F0F');
hGrad.addColorStop(6 / 6, '#F00');
ctx.fillStyle = hGrad;
ctx.fillRect(0, 0, canvas.width, canvas.height);
var vGrad = ctx.createLinearGradient(0, 0, 0, canvas.height);
switch (type.toLowerCase()) {
case 's':
vGrad.addColorStop(0, 'rgba(255,255,255,0)');
vGrad.addColorStop(1, 'rgba(255,255,255,1)');
break;
case 'v':
vGrad.addColorStop(0, 'rgba(0,0,0,0)');
vGrad.addColorStop(1, 'rgba(0,0,0,1)');
break;
}
ctx.fillStyle = vGrad;
ctx.fillRect(0, 0, canvas.width, canvas.height);
};
paletteObj.elm = canvas;
paletteObj.draw = drawFunc;
} else {
// VML fallback for IE 7 and 8
jsc.initVML();
var vmlContainer = document.createElement('div');
vmlContainer.style.position = 'relative';
vmlContainer.style.overflow = 'hidden';
var hGrad = document.createElement(jsc._vmlNS + ':fill');
hGrad.type = 'gradient';
hGrad.method = 'linear';
hGrad.angle = '90';
hGrad.colors = '16.67% #F0F, 33.33% #00F, 50% #0FF, 66.67% #0F0, 83.33% #FF0'
var hRect = document.createElement(jsc._vmlNS + ':rect');
hRect.style.position = 'absolute';
hRect.style.left = -1 + 'px';
hRect.style.top = -1 + 'px';
hRect.stroked = false;
hRect.appendChild(hGrad);
vmlContainer.appendChild(hRect);
var vGrad = document.createElement(jsc._vmlNS + ':fill');
vGrad.type = 'gradient';
vGrad.method = 'linear';
vGrad.angle = '180';
vGrad.opacity = '0';
var vRect = document.createElement(jsc._vmlNS + ':rect');
vRect.style.position = 'absolute';
vRect.style.left = -1 + 'px';
vRect.style.top = -1 + 'px';
vRect.stroked = false;
vRect.appendChild(vGrad);
vmlContainer.appendChild(vRect);
var drawFunc = function (width, height, type) {
vmlContainer.style.width = width + 'px';
vmlContainer.style.height = height + 'px';
hRect.style.width =
vRect.style.width =
(width + 1) + 'px';
hRect.style.height =
vRect.style.height =
(height + 1) + 'px';
// Colors must be specified during every redraw, otherwise IE won't display
// a full gradient during a subsequential redraw
hGrad.color = '#F00';
hGrad.color2 = '#F00';
switch (type.toLowerCase()) {
case 's':
vGrad.color = vGrad.color2 = '#FFF';
break;
case 'v':
vGrad.color = vGrad.color2 = '#000';
break;
}
};
paletteObj.elm = vmlContainer;
paletteObj.draw = drawFunc;
}
return paletteObj;
},
createSliderGradient : function () {
var sliderObj = {
elm: null,
draw: null
};
if (jsc.isCanvasSupported) {
// Canvas implementation for modern browsers
var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d');
var drawFunc = function (width, height, color1, color2) {
canvas.width = width;
canvas.height = height;
ctx.clearRect(0, 0, canvas.width, canvas.height);
var grad = ctx.createLinearGradient(0, 0, 0, canvas.height);
grad.addColorStop(0, color1);
grad.addColorStop(1, color2);
ctx.fillStyle = grad;
ctx.fillRect(0, 0, canvas.width, canvas.height);
};
sliderObj.elm = canvas;
sliderObj.draw = drawFunc;
} else {
// VML fallback for IE 7 and 8
jsc.initVML();
var vmlContainer = document.createElement('div');
vmlContainer.style.position = 'relative';
vmlContainer.style.overflow = 'hidden';
var grad = document.createElement(jsc._vmlNS + ':fill');
grad.type = 'gradient';
grad.method = 'linear';
grad.angle = '180';
var rect = document.createElement(jsc._vmlNS + ':rect');
rect.style.position = 'absolute';
rect.style.left = -1 + 'px';
rect.style.top = -1 + 'px';
rect.stroked = false;
rect.appendChild(grad);
vmlContainer.appendChild(rect);
var drawFunc = function (width, height, color1, color2) {
vmlContainer.style.width = width + 'px';
vmlContainer.style.height = height + 'px';
rect.style.width = (width + 1) + 'px';
rect.style.height = (height + 1) + 'px';
grad.color = color1;
grad.color2 = color2;
};
sliderObj.elm = vmlContainer;
sliderObj.draw = drawFunc;
}
return sliderObj;
},
leaveValue : 1<<0,
leaveStyle : 1<<1,
leavePad : 1<<2,
leaveSld : 1<<3,
BoxShadow : (function () {
var BoxShadow = function (hShadow, vShadow, blur, spread, color, inset) {
this.hShadow = hShadow;
this.vShadow = vShadow;
this.blur = blur;
this.spread = spread;
this.color = color;
this.inset = !!inset;
};
BoxShadow.prototype.toString = function () {
var vals = [
Math.round(this.hShadow) + 'px',
Math.round(this.vShadow) + 'px',
Math.round(this.blur) + 'px',
Math.round(this.spread) + 'px',
this.color
];
if (this.inset) {
vals.push('inset');
}
return vals.join(' ');
};
return BoxShadow;
})(),
//
// Usage:
// var myColor = new jscolor(<targetElement> [, <options>])
//
jscolor : function (targetElement, options) {
// General options
//
this.value = null; // initial HEX color. To change it later, use methods fromString(), fromHSV() and fromRGB()
this.valueElement = targetElement; // element that will be used to display and input the color code
this.styleElement = targetElement; // element that will preview the picked color using CSS backgroundColor
this.required = true; // whether the associated text <input> can be left empty
this.refine = true; // whether to refine the entered color code (e.g. uppercase it and remove whitespace)
this.hash = false; // whether to prefix the HEX color code with # symbol
this.uppercase = true; // whether to uppercase the color code
this.onFineChange = null; // called instantly every time the color changes (value can be either a function or a string with javascript code)
this.activeClass = 'jscolor-active'; // class to be set to the target element when a picker window is open on it
this.minS = 0; // min allowed saturation (0 - 100)
this.maxS = 100; // max allowed saturation (0 - 100)
this.minV = 0; // min allowed value (brightness) (0 - 100)
this.maxV = 100; // max allowed value (brightness) (0 - 100)
// Accessing the picked color
//
this.hsv = [0, 0, 100]; // read-only [0-360, 0-100, 0-100]
this.rgb = [255, 255, 255]; // read-only [0-255, 0-255, 0-255]
// Color Picker options
//
this.width = 181; // width of color palette (in px)
this.height = 101; // height of color palette (in px)
this.showOnClick = true; // whether to display the color picker when user clicks on its target element
this.mode = 'HSV'; // HSV | HVS | HS | HV - layout of the color picker controls
this.position = 'bottom'; // left | right | top | bottom - position relative to the target element
this.smartPosition = true; // automatically change picker position when there is not enough space for it
this.sliderSize = 16; // px
this.crossSize = 8; // px
this.closable = false; // whether to display the Close button
this.closeText = 'Close';
this.buttonColor = '#000000'; // CSS color
this.buttonHeight = 18; // px
this.padding = 12; // px
this.backgroundColor = '#FFFFFF'; // CSS color
this.borderWidth = 1; // px
this.borderColor = '#BBBBBB'; // CSS color
this.borderRadius = 8; // px
this.insetWidth = 1; // px
this.insetColor = '#BBBBBB'; // CSS color
this.shadow = true; // whether to display shadow
this.shadowBlur = 15; // px
this.shadowColor = 'rgba(0,0,0,0.2)'; // CSS color
this.pointerColor = '#4C4C4C'; // px
this.pointerBorderColor = '#FFFFFF'; // px
this.pointerBorderWidth = 1; // px
this.pointerThickness = 2; // px
this.zIndex = 1000;
this.container = null; // where to append the color picker (BODY element by default)
for (var opt in options) {
if (options.hasOwnProperty(opt)) {
this[opt] = options[opt];
}
}
this.hide = function () {
if (isPickerOwner()) {
detachPicker();
}
};
this.show = function () {
drawPicker();
};
this.redraw = function () {
if (isPickerOwner()) {
drawPicker();
}
};
this.importColor = function () {
if (!this.valueElement) {
this.exportColor();
} else {
if (jsc.isElementType(this.valueElement, 'input')) {
if (!this.refine) {
if (!this.fromString(this.valueElement.value, jsc.leaveValue)) {
if (this.styleElement) {
this.styleElement.style.backgroundImage = this.styleElement._jscOrigStyle.backgroundImage;
this.styleElement.style.backgroundColor = this.styleElement._jscOrigStyle.backgroundColor;
this.styleElement.style.color = this.styleElement._jscOrigStyle.color;
}
this.exportColor(jsc.leaveValue | jsc.leaveStyle);
}
} else if (!this.required && /^\s*$/.test(this.valueElement.value)) {
this.valueElement.value = '';
if (this.styleElement) {
this.styleElement.style.backgroundImage = this.styleElement._jscOrigStyle.backgroundImage;
this.styleElement.style.backgroundColor = this.styleElement._jscOrigStyle.backgroundColor;
this.styleElement.style.color = this.styleElement._jscOrigStyle.color;
}
this.exportColor(jsc.leaveValue | jsc.leaveStyle);
} else if (this.fromString(this.valueElement.value)) {
// managed to import color successfully from the value -> OK, don't do anything
} else {
this.exportColor();
}
} else {
// not an input element -> doesn't have any value
this.exportColor();
}
}
};
this.exportColor = function (flags) {
if (!(flags & jsc.leaveValue) && this.valueElement) {
var value = this.toString();
if (this.uppercase) { value = value.toUpperCase(); }
if (this.hash) { value = '#' + value; }
if (jsc.isElementType(this.valueElement, 'input')) {
this.valueElement.value = value;
} else {
this.valueElement.innerHTML = value;
}
}
if (!(flags & jsc.leaveStyle)) {
if (this.styleElement) {
this.styleElement.style.backgroundImage = 'none';
this.styleElement.style.backgroundColor = '#' + this.toString();
this.styleElement.style.color = this.isLight() ? '#000' : '#FFF';
}
}
if (!(flags & jsc.leavePad) && isPickerOwner()) {
redrawPad();
}
if (!(flags & jsc.leaveSld) && isPickerOwner()) {
redrawSld();
}
};
// h: 0-360
// s: 0-100
// v: 0-100
//
this.fromHSV = function (h, s, v, flags) { // null = don't change
if (h !== null) {
if (isNaN(h)) { return false; }
h = Math.max(0, Math.min(360, h));
}
if (s !== null) {
if (isNaN(s)) { return false; }
s = Math.max(0, Math.min(100, this.maxS, s), this.minS);
}
if (v !== null) {
if (isNaN(v)) { return false; }
v = Math.max(0, Math.min(100, this.maxV, v), this.minV);
}
this.rgb = HSV_RGB(
h===null ? this.hsv[0] : (this.hsv[0]=h),
s===null ? this.hsv[1] : (this.hsv[1]=s),
v===null ? this.hsv[2] : (this.hsv[2]=v)
);
this.exportColor(flags);
};
// r: 0-255
// g: 0-255
// b: 0-255
//
this.fromRGB = function (r, g, b, flags) { // null = don't change
if (r !== null) {
if (isNaN(r)) { return false; }
r = Math.max(0, Math.min(255, r));
}
if (g !== null) {
if (isNaN(g)) { return false; }
g = Math.max(0, Math.min(255, g));
}
if (b !== null) {
if (isNaN(b)) { return false; }
b = Math.max(0, Math.min(255, b));
}
var hsv = RGB_HSV(
r===null ? this.rgb[0] : r,
g===null ? this.rgb[1] : g,
b===null ? this.rgb[2] : b
);
if (hsv[0] !== null) {
this.hsv[0] = Math.max(0, Math.min(360, hsv[0]));
}
if (hsv[2] !== 0) {
this.hsv[1] = hsv[1]===null ? null : Math.max(0, this.minS, Math.min(100, this.maxS, hsv[1]));
}
this.hsv[2] = hsv[2]===null ? null : Math.max(0, this.minV, Math.min(100, this.maxV, hsv[2]));
// update RGB according to final HSV, as some values might be trimmed
var rgb = HSV_RGB(this.hsv[0], this.hsv[1], this.hsv[2]);
this.rgb[0] = rgb[0];
this.rgb[1] = rgb[1];
this.rgb[2] = rgb[2];
this.exportColor(flags);
};
this.fromString = function (str, flags) {
var m;
if (m = str.match(/^\W*([0-9A-F]{3}([0-9A-F]{3})?)\W*$/i)) {
// HEX notation
//
if (m[1].length === 6) {
// 6-char notation
this.fromRGB(
parseInt(m[1].substr(0,2),16),
parseInt(m[1].substr(2,2),16),
parseInt(m[1].substr(4,2),16),
flags
);
} else {
// 3-char notation
this.fromRGB(
parseInt(m[1].charAt(0) + m[1].charAt(0),16),
parseInt(m[1].charAt(1) + m[1].charAt(1),16),
parseInt(m[1].charAt(2) + m[1].charAt(2),16),
flags
);
}
return true;
} else if (m = str.match(/^\W*rgba?\(([^)]*)\)\W*$/i)) {
var params = m[1].split(',');
var re = /^\s*(\d*)(\.\d+)?\s*$/;
var mR, mG, mB;
if (
params.length >= 3 &&
(mR = params[0].match(re)) &&
(mG = params[1].match(re)) &&
(mB = params[2].match(re))
) {
var r = parseFloat((mR[1] || '0') + (mR[2] || ''));
var g = parseFloat((mG[1] || '0') + (mG[2] || ''));
var b = parseFloat((mB[1] || '0') + (mB[2] || ''));
this.fromRGB(r, g, b, flags);
return true;
}
}
return false;
};
this.toString = function () {
return (
(0x100 | Math.round(this.rgb[0])).toString(16).substr(1) +
(0x100 | Math.round(this.rgb[1])).toString(16).substr(1) +
(0x100 | Math.round(this.rgb[2])).toString(16).substr(1)
);
};
this.toHEXString = function () {
return '#' + this.toString().toUpperCase();
};
this.toRGBString = function () {
return ('rgb(' +
Math.round(this.rgb[0]) + ',' +
Math.round(this.rgb[1]) + ',' +
Math.round(this.rgb[2]) + ')'
);
};
this.isLight = function () {
return (
0.213 * this.rgb[0] +
0.715 * this.rgb[1] +
0.072 * this.rgb[2] >
255 / 2
);
};
this._processParentElementsInDOM = function () {
if (this._linkedElementsProcessed) { return; }
this._linkedElementsProcessed = true;
var elm = this.targetElement;
do {
// If the target element or one of its parent nodes has fixed position,
// then use fixed positioning instead
//
// Note: In Firefox, getComputedStyle returns null in a hidden iframe,
// that's why we need to check if the returned style object is non-empty
var currStyle = jsc.getStyle(elm);
if (currStyle && currStyle.position.toLowerCase() === 'fixed') {
this.fixed = true;
}
if (elm !== this.targetElement) {
// Ensure to attach onParentScroll only once to each parent element
// (multiple targetElements can share the same parent nodes)
//
// Note: It's not just offsetParents that can be scrollable,
// that's why we loop through all parent nodes
if (!elm._jscEventsAttached) {
jsc.attachEvent(elm, 'scroll', jsc.onParentScroll);
elm._jscEventsAttached = true;
}
}
} while ((elm = elm.parentNode) && !jsc.isElementType(elm, 'body'));
};
// r: 0-255
// g: 0-255
// b: 0-255
//
// returns: [ 0-360, 0-100, 0-100 ]
//
function RGB_HSV (r, g, b) {
r /= 255;
g /= 255;
b /= 255;
var n = Math.min(Math.min(r,g),b);
var v = Math.max(Math.max(r,g),b);
var m = v - n;
if (m === 0) { return [ null, 0, 100 * v ]; }
var h = r===n ? 3+(b-g)/m : (g===n ? 5+(r-b)/m : 1+(g-r)/m);
return [
60 * (h===6?0:h),
100 * (m/v),
100 * v
];
}
// h: 0-360
// s: 0-100
// v: 0-100
//
// returns: [ 0-255, 0-255, 0-255 ]
//
function HSV_RGB (h, s, v) {
var u = 255 * (v / 100);
if (h === null) {
return [ u, u, u ];
}
h /= 60;
s /= 100;
var i = Math.floor(h);
var f = i%2 ? h-i : 1-(h-i);
var m = u * (1 - s);
var n = u * (1 - s * f);
switch (i) {
case 6:
case 0: return [u,n,m];
case 1: return [n,u,m];
case 2: return [m,u,n];
case 3: return [m,n,u];
case 4: return [n,m,u];
case 5: return [u,m,n];
}
}
function detachPicker () {
jsc.unsetClass(THIS.targetElement, THIS.activeClass);
jsc.picker.wrap.parentNode.removeChild(jsc.picker.wrap);
delete jsc.picker.owner;
}
function drawPicker () {
// At this point, when drawing the picker, we know what the parent elements are
// and we can do all related DOM operations, such as registering events on them
// or checking their positioning
THIS._processParentElementsInDOM();
if (!jsc.picker) {
jsc.picker = {
owner: null,
wrap : document.createElement('div'),
box : document.createElement('div'),
boxS : document.createElement('div'), // shadow area
boxB : document.createElement('div'), // border
pad : document.createElement('div'),
padB : document.createElement('div'), // border
padM : document.createElement('div'), // mouse/touch area
padPal : jsc.createPalette(),
cross : document.createElement('div'),
crossBY : document.createElement('div'), // border Y
crossBX : document.createElement('div'), // border X
crossLY : document.createElement('div'), // line Y
crossLX : document.createElement('div'), // line X
sld : document.createElement('div'),
sldB : document.createElement('div'), // border
sldM : document.createElement('div'), // mouse/touch area
sldGrad : jsc.createSliderGradient(),
sldPtrS : document.createElement('div'), // slider pointer spacer
sldPtrIB : document.createElement('div'), // slider pointer inner border
sldPtrMB : document.createElement('div'), // slider pointer middle border
sldPtrOB : document.createElement('div'), // slider pointer outer border
btn : document.createElement('div'),
btnT : document.createElement('span') // text
};
jsc.picker.pad.appendChild(jsc.picker.padPal.elm);
jsc.picker.padB.appendChild(jsc.picker.pad);
jsc.picker.cross.appendChild(jsc.picker.crossBY);
jsc.picker.cross.appendChild(jsc.picker.crossBX);
jsc.picker.cross.appendChild(jsc.picker.crossLY);
jsc.picker.cross.appendChild(jsc.picker.crossLX);
jsc.picker.padB.appendChild(jsc.picker.cross);
jsc.picker.box.appendChild(jsc.picker.padB);
jsc.picker.box.appendChild(jsc.picker.padM);
jsc.picker.sld.appendChild(jsc.picker.sldGrad.elm);
jsc.picker.sldB.appendChild(jsc.picker.sld);
jsc.picker.sldB.appendChild(jsc.picker.sldPtrOB);
jsc.picker.sldPtrOB.appendChild(jsc.picker.sldPtrMB);
jsc.picker.sldPtrMB.appendChild(jsc.picker.sldPtrIB);
jsc.picker.sldPtrIB.appendChild(jsc.picker.sldPtrS);
jsc.picker.box.appendChild(jsc.picker.sldB);
jsc.picker.box.appendChild(jsc.picker.sldM);
jsc.picker.btn.appendChild(jsc.picker.btnT);
jsc.picker.box.appendChild(jsc.picker.btn);
jsc.picker.boxB.appendChild(jsc.picker.box);
jsc.picker.wrap.appendChild(jsc.picker.boxS);
jsc.picker.wrap.appendChild(jsc.picker.boxB);
}
var p = jsc.picker;
var displaySlider = !!jsc.getSliderComponent(THIS);
var dims = jsc.getPickerDims(THIS);
var crossOuterSize = (2 * THIS.pointerBorderWidth + THIS.pointerThickness + 2 * THIS.crossSize);
var padToSliderPadding = jsc.getPadToSliderPadding(THIS);
var borderRadius = Math.min(
THIS.borderRadius,
Math.round(THIS.padding * Math.PI)); // px
var padCursor = 'crosshair';
// wrap
p.wrap.style.clear = 'both';
p.wrap.style.width = (dims[0] + 2 * THIS.borderWidth) + 'px';
p.wrap.style.height = (dims[1] + 2 * THIS.borderWidth) + 'px';
p.wrap.style.zIndex = THIS.zIndex;
// picker
p.box.style.width = dims[0] + 'px';
p.box.style.height = dims[1] + 'px';
p.boxS.style.position = 'absolute';
p.boxS.style.left = '0';
p.boxS.style.top = '0';
p.boxS.style.width = '100%';
p.boxS.style.height = '100%';
jsc.setBorderRadius(p.boxS, borderRadius + 'px');
// picker border
p.boxB.style.position = 'relative';
p.boxB.style.border = THIS.borderWidth + 'px solid';
p.boxB.style.borderColor = THIS.borderColor;
p.boxB.style.background = THIS.backgroundColor;
jsc.setBorderRadius(p.boxB, borderRadius + 'px');
// IE hack:
// If the element is transparent, IE will trigger the event on the elements under it,
// e.g. on Canvas or on elements with border
p.padM.style.background =
p.sldM.style.background =
'#FFF';
jsc.setStyle(p.padM, 'opacity', '0');
jsc.setStyle(p.sldM, 'opacity', '0');
// pad
p.pad.style.position = 'relative';
p.pad.style.width = THIS.width + 'px';
p.pad.style.height = THIS.height + 'px';
// pad palettes (HSV and HVS)
p.padPal.draw(THIS.width, THIS.height, jsc.getPadYComponent(THIS));
// pad border
p.padB.style.position = 'absolute';
p.padB.style.left = THIS.padding + 'px';
p.padB.style.top = THIS.padding + 'px';
p.padB.style.border = THIS.insetWidth + 'px solid';
p.padB.style.borderColor = THIS.insetColor;
// pad mouse area
p.padM._jscInstance = THIS;
p.padM._jscControlName = 'pad';
p.padM.style.position = 'absolute';
p.padM.style.left = '0';
p.padM.style.top = '0';
p.padM.style.width = (THIS.padding + 2 * THIS.insetWidth + THIS.width + padToSliderPadding / 2) + 'px';
p.padM.style.height = dims[1] + 'px';
p.padM.style.cursor = padCursor;
// pad cross
p.cross.style.position = 'absolute';
p.cross.style.left =
p.cross.style.top =
'0';
p.cross.style.width =
p.cross.style.height =
crossOuterSize + 'px';
// pad cross border Y and X
p.crossBY.style.position =
p.crossBX.style.position =
'absolute';
p.crossBY.style.background =
p.crossBX.style.background =
THIS.pointerBorderColor;
p.crossBY.style.width =
p.crossBX.style.height =
(2 * THIS.pointerBorderWidth + THIS.pointerThickness) + 'px';
p.crossBY.style.height =
p.crossBX.style.width =
crossOuterSize + 'px';
p.crossBY.style.left =
p.crossBX.style.top =
(Math.floor(crossOuterSize / 2) - Math.floor(THIS.pointerThickness / 2) - THIS.pointerBorderWidth) + 'px';
p.crossBY.style.top =
p.crossBX.style.left =
'0';
// pad cross line Y and X
p.crossLY.style.position =
p.crossLX.style.position =
'absolute';
p.crossLY.style.background =
p.crossLX.style.background =
THIS.pointerColor;
p.crossLY.style.height =
p.crossLX.style.width =
(crossOuterSize - 2 * THIS.pointerBorderWidth) + 'px';
p.crossLY.style.width =
p.crossLX.style.height =
THIS.pointerThickness + 'px';
p.crossLY.style.left =
p.crossLX.style.top =
(Math.floor(crossOuterSize / 2) - Math.floor(THIS.pointerThickness / 2)) + 'px';
p.crossLY.style.top =
p.crossLX.style.left =
THIS.pointerBorderWidth + 'px';
// slider
p.sld.style.overflow = 'hidden';
p.sld.style.width = THIS.sliderSize + 'px';
p.sld.style.height = THIS.height + 'px';
// slider gradient
p.sldGrad.draw(THIS.sliderSize, THIS.height, '#000', '#000');
// slider border
p.sldB.style.display = displaySlider ? 'block' : 'none';
p.sldB.style.position = 'absolute';
p.sldB.style.right = THIS.padding + 'px';
p.sldB.style.top = THIS.padding + 'px';
p.sldB.style.border = THIS.insetWidth + 'px solid';
p.sldB.style.borderColor = THIS.insetColor;
// slider mouse area
p.sldM._jscInstance = THIS;
p.sldM._jscControlName = 'sld';
p.sldM.style.display = displaySlider ? 'block' : 'none';
p.sldM.style.position = 'absolute';
p.sldM.style.right = '0';
p.sldM.style.top = '0';
p.sldM.style.width = (THIS.sliderSize + padToSliderPadding / 2 + THIS.padding + 2 * THIS.insetWidth) + 'px';
p.sldM.style.height = dims[1] + 'px';
p.sldM.style.cursor = 'default';
// slider pointer inner and outer border
p.sldPtrIB.style.border =
p.sldPtrOB.style.border =
THIS.pointerBorderWidth + 'px solid ' + THIS.pointerBorderColor;
// slider pointer outer border
p.sldPtrOB.style.position = 'absolute';
p.sldPtrOB.style.left = -(2 * THIS.pointerBorderWidth + THIS.pointerThickness) + 'px';
p.sldPtrOB.style.top = '0';
// slider pointer middle border
p.sldPtrMB.style.border = THIS.pointerThickness + 'px solid ' + THIS.pointerColor;
// slider pointer spacer
p.sldPtrS.style.width = THIS.sliderSize + 'px';
p.sldPtrS.style.height = sliderPtrSpace + 'px';
// the Close button
function setBtnBorder () {
var insetColors = THIS.insetColor.split(/\s+/);
var outsetColor = insetColors.length < 2 ? insetColors[0] : insetColors[1] + ' ' + insetColors[0] + ' ' + insetColors[0] + ' ' + insetColors[1];
p.btn.style.borderColor = outsetColor;
}
p.btn.style.display = THIS.closable ? 'block' : 'none';
p.btn.style.position = 'absolute';
p.btn.style.left = THIS.padding + 'px';
p.btn.style.bottom = THIS.padding + 'px';
p.btn.style.padding = '0 15px';
p.btn.style.height = THIS.buttonHeight + 'px';
p.btn.style.border = THIS.insetWidth + 'px solid';
setBtnBorder();
p.btn.style.color = THIS.buttonColor;
p.btn.style.font = '12px sans-serif';
p.btn.style.textAlign = 'center';
try {
p.btn.style.cursor = 'pointer';
} catch(eOldIE) {
p.btn.style.cursor = 'hand';
}
p.btn.onmousedown = function () {
THIS.hide();
};
p.btnT.style.lineHeight = THIS.buttonHeight + 'px';
p.btnT.innerHTML = '';
p.btnT.appendChild(document.createTextNode(THIS.closeText));
// place pointers
redrawPad();
redrawSld();
// If we are changing the owner without first closing the picker,
// make sure to first deal with the old owner
if (jsc.picker.owner && jsc.picker.owner !== THIS) {
jsc.unsetClass(jsc.picker.owner.targetElement, THIS.activeClass);
}
// Set the new picker owner
jsc.picker.owner = THIS;
// The redrawPosition() method needs picker.owner to be set, that's why we call it here,
// after setting the owner
if (jsc.isElementType(container, 'body')) {
jsc.redrawPosition();
} else {
jsc._drawPosition(THIS, 0, 0, 'relative', false);
}
if (p.wrap.parentNode != container) {
container.appendChild(p.wrap);
}
jsc.setClass(THIS.targetElement, THIS.activeClass);
}
function redrawPad () {
// redraw the pad pointer
switch (jsc.getPadYComponent(THIS)) {
case 's': var yComponent = 1; break;
case 'v': var yComponent = 2; break;
}
var x = Math.round((THIS.hsv[0] / 360) * (THIS.width - 1));
var y = Math.round((1 - THIS.hsv[yComponent] / 100) * (THIS.height - 1));
var crossOuterSize = (2 * THIS.pointerBorderWidth + THIS.pointerThickness + 2 * THIS.crossSize);
var ofs = -Math.floor(crossOuterSize / 2);
jsc.picker.cross.style.left = (x + ofs) + 'px';
jsc.picker.cross.style.top = (y + ofs) + 'px';
// redraw the slider
switch (jsc.getSliderComponent(THIS)) {
case 's':
var rgb1 = HSV_RGB(THIS.hsv[0], 100, THIS.hsv[2]);
var rgb2 = HSV_RGB(THIS.hsv[0], 0, THIS.hsv[2]);
var color1 = 'rgb(' +
Math.round(rgb1[0]) + ',' +
Math.round(rgb1[1]) + ',' +
Math.round(rgb1[2]) + ')';
var color2 = 'rgb(' +
Math.round(rgb2[0]) + ',' +
Math.round(rgb2[1]) + ',' +
Math.round(rgb2[2]) + ')';
jsc.picker.sldGrad.draw(THIS.sliderSize, THIS.height, color1, color2);
break;
case 'v':
var rgb = HSV_RGB(THIS.hsv[0], THIS.hsv[1], 100);
var color1 = 'rgb(' +
Math.round(rgb[0]) + ',' +
Math.round(rgb[1]) + ',' +
Math.round(rgb[2]) + ')';
var color2 = '#000';
jsc.picker.sldGrad.draw(THIS.sliderSize, THIS.height, color1, color2);
break;
}
}
function redrawSld () {
var sldComponent = jsc.getSliderComponent(THIS);
if (sldComponent) {
// redraw the slider pointer
switch (sldComponent) {
case 's': var yComponent = 1; break;
case 'v': var yComponent = 2; break;
}
var y = Math.round((1 - THIS.hsv[yComponent] / 100) * (THIS.height - 1));
jsc.picker.sldPtrOB.style.top = (y - (2 * THIS.pointerBorderWidth + THIS.pointerThickness) - Math.floor(sliderPtrSpace / 2)) + 'px';
}
}
function isPickerOwner () {
return jsc.picker && jsc.picker.owner === THIS;
}
function blurValue () {
THIS.importColor();
}
// Find the target element
if (typeof targetElement === 'string') {
var id = targetElement;
var elm = document.getElementById(id);
if (elm) {
this.targetElement = elm;
} else {
jsc.warn('Could not find target element with ID \'' + id + '\'');
}
} else if (targetElement) {
this.targetElement = targetElement;
} else {
jsc.warn('Invalid target element: \'' + targetElement + '\'');
}
if (this.targetElement._jscLinkedInstance) {
jsc.warn('Cannot link jscolor twice to the same element. Skipping.');
return;
}
this.targetElement._jscLinkedInstance = this;
// Find the value element
this.valueElement = jsc.fetchElement(this.valueElement);
// Find the style element
this.styleElement = jsc.fetchElement(this.styleElement);
var THIS = this;
var container =
this.container ?
jsc.fetchElement(this.container) :
document.getElementsByTagName('body')[0];
var sliderPtrSpace = 3; // px
// For BUTTON elements it's important to stop them from sending the form when clicked
// (e.g. in Safari)
if (jsc.isElementType(this.targetElement, 'button')) {
if (this.targetElement.onclick) {
var origCallback = this.targetElement.onclick;
this.targetElement.onclick = function (evt) {
origCallback.call(this, evt);
return false;
};
} else {
this.targetElement.onclick = function () { return false; };
}
}
/*
var elm = this.targetElement;
do {
// If the target element or one of its offsetParents has fixed position,
// then use fixed positioning instead
//
// Note: In Firefox, getComputedStyle returns null in a hidden iframe,
// that's why we need to check if the returned style object is non-empty
var currStyle = jsc.getStyle(elm);
if (currStyle && currStyle.position.toLowerCase() === 'fixed') {
this.fixed = true;
}
if (elm !== this.targetElement) {
// attach onParentScroll so that we can recompute the picker position
// when one of the offsetParents is scrolled
if (!elm._jscEventsAttached) {
jsc.attachEvent(elm, 'scroll', jsc.onParentScroll);
elm._jscEventsAttached = true;
}
}
} while ((elm = elm.offsetParent) && !jsc.isElementType(elm, 'body'));
*/
// valueElement
if (this.valueElement) {
if (jsc.isElementType(this.valueElement, 'input')) {
var updateField = function () {
THIS.fromString(THIS.valueElement.value, jsc.leaveValue);
jsc.dispatchFineChange(THIS);
};
jsc.attachEvent(this.valueElement, 'keyup', updateField);
jsc.attachEvent(this.valueElement, 'input', updateField);
jsc.attachEvent(this.valueElement, 'blur', blurValue);
this.valueElement.setAttribute('autocomplete', 'off');
}
}
// styleElement
if (this.styleElement) {
this.styleElement._jscOrigStyle = {
backgroundImage : this.styleElement.style.backgroundImage,
backgroundColor : this.styleElement.style.backgroundColor,
color : this.styleElement.style.color
};
}
if (this.value) {
// Try to set the color from the .value option and if unsuccessful,
// export the current color
this.fromString(this.value) || this.exportColor();
} else {
this.importColor();
}
}
};
//================================
// Public properties and methods
//================================
// By default, search for all elements with class="jscolor" and install a color picker on them.
//
// You can change what class name will be looked for by setting the property jscolor.lookupClass
// anywhere in your HTML document. To completely disable the automatic lookup, set it to null.
//
jsc.jscolor.lookupClass = 'jscolor';
jsc.jscolor.installByClassName = function (className) {
var inputElms = document.getElementsByTagName('input');
var buttonElms = document.getElementsByTagName('button');
jsc.tryInstallOnElements(inputElms, className);
jsc.tryInstallOnElements(buttonElms, className);
};
jsc.register();
return jsc.jscolor;
})(); }
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