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jscolor

jscolor is a web color picker component that aims to be super easy both for developers to install and end users to use.

此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.cn-greasyfork.org/scripts/15563/106439/jscolor.js 

  1. /**
  2.  * jscolor - JavaScript Color Picker
  3.  *
  4.  * @link    http://jscolor.com
  5.  * @license For open source use: GPLv3
  6.  *          For commercial use: JSColor Commercial License
  7.  * @author  Jan Odvarko
  8.  * @version 2.0.4
  9.  *
  10.  * See usage examples at http://jscolor.com/examples/
  11.  */
  12.  
  13. "use strict";
  14.  
  15. if (!window.jscolor) { window.jscolor = (function () {
  16.  
  17. var jsc = {
  18.  
  19. 	register : function () {
  20. 		jsc.attachDOMReadyEvent(jsc.init);
  21. 		jsc.attachEvent(document, 'mousedown', jsc.onDocumentMouseDown);
  22. 		jsc.attachEvent(document, 'touchstart', jsc.onDocumentTouchStart);
  23. 		jsc.attachEvent(window, 'resize', jsc.onWindowResize);
  24. 	},
  25.  
  26. 	init : function () {
  27. 		if (jsc.jscolor.lookupClass) {
  28. 			jsc.jscolor.installByClassName(jsc.jscolor.lookupClass);
  29. 		}
  30. 	},
  31.  
  32. 	tryInstallOnElements : function (elms, className) {
  33. 		var matchClass = new RegExp('(^|\\s)(' + className + ')(\\s*(\\{[^}]*\\})|\\s|$)', 'i');
  34. 		for (var i = 0; i < elms.length; i += 1) {
  35. 			if (elms[i].type !== undefined && elms[i].type.toLowerCase() == 'color') {
  36. 				if (jsc.isColorAttrSupported) {
  37. 					// skip inputs of type 'color' if supported by the browser
  38. 					continue;
  39. 				}
  40. 			}
  41. 			var m;
  42. 			if (!elms[i].jscolor && elms[i].className && (m = elms[i].className.match(matchClass))) {
  43. 				var targetElm = elms[i];
  44. 				var optsStr = null;
  45. 				var dataOptions = jsc.getDataAttr(targetElm, 'jscolor');
  46. 				if (dataOptions !== null) {
  47. 					optsStr = dataOptions;
  48. 				} else if (m[4]) {
  49. 					optsStr = m[4];
  50. 				}
  51. 				var opts = {};
  52. 				if (optsStr) {
  53. 					try {
  54. 						opts = (new Function ('return (' + optsStr + ')'))();
  55. 					} catch(eParseError) {
  56. 						jsc.warn('Error parsing jscolor options: ' + eParseError + ':\n' + optsStr);
  57. 					}
  58. 				}
  59. 				targetElm.jscolor = new jsc.jscolor(targetElm, opts);
  60. 			}
  61. 		}
  62. 	},
  63.  
  64. 	isColorAttrSupported : (function () {
  65. 		var elm = document.createElement('input');
  66. 		if (elm.setAttribute) {
  67. 			elm.setAttribute('type', 'color');
  68. 			if (elm.type.toLowerCase() == 'color') {
  69. 				return true;
  70. 			}
  71. 		}
  72. 		return false;
  73. 	})(),
  74.  
  75. 	isCanvasSupported : (function () {
  76. 		var elm = document.createElement('canvas');
  77. 		return !!(elm.getContext && elm.getContext('2d'));
  78. 	})(),
  79.  
  80. 	fetchElement : function (mixed) {
  81. 		return typeof mixed === 'string' ? document.getElementById(mixed) : mixed;
  82. 	},
  83.  
  84. 	isElementType : function (elm, type) {
  85. 		return elm.nodeName.toLowerCase() === type.toLowerCase();
  86. 	},
  87.  
  88. 	getDataAttr : function (el, name) {
  89. 		var attrName = 'data-' + name;
  90. 		var attrValue = el.getAttribute(attrName);
  91. 		if (attrValue !== null) {
  92. 			return attrValue;
  93. 		}
  94. 		return null;
  95. 	},
  96.  
  97. 	attachEvent : function (el, evnt, func) {
  98. 		if (el.addEventListener) {
  99. 			el.addEventListener(evnt, func, false);
  100. 		} else if (el.attachEvent) {
  101. 			el.attachEvent('on' + evnt, func);
  102. 		}
  103. 	},
  104.  
  105. 	detachEvent : function (el, evnt, func) {
  106. 		if (el.removeEventListener) {
  107. 			el.removeEventListener(evnt, func, false);
  108. 		} else if (el.detachEvent) {
  109. 			el.detachEvent('on' + evnt, func);
  110. 		}
  111. 	},
  112.  
  113. 	_attachedGroupEvents : {},
  114.  
  115. 	attachGroupEvent : function (groupName, el, evnt, func) {
  116. 		if (!jsc._attachedGroupEvents.hasOwnProperty(groupName)) {
  117. 			jsc._attachedGroupEvents[groupName] = [];
  118. 		}
  119. 		jsc._attachedGroupEvents[groupName].push([el, evnt, func]);
  120. 		jsc.attachEvent(el, evnt, func);
  121. 	},
  122.  
  123. 	detachGroupEvents : function (groupName) {
  124. 		if (jsc._attachedGroupEvents.hasOwnProperty(groupName)) {
  125. 			for (var i = 0; i < jsc._attachedGroupEvents[groupName].length; i += 1) {
  126. 				var evt = jsc._attachedGroupEvents[groupName][i];
  127. 				jsc.detachEvent(evt[0], evt[1], evt[2]);
  128. 			}
  129. 			delete jsc._attachedGroupEvents[groupName];
  130. 		}
  131. 	},
  132.  
  133. 	attachDOMReadyEvent : function (func) {
  134. 		var fired = false;
  135. 		var fireOnce = function () {
  136. 			if (!fired) {
  137. 				fired = true;
  138. 				func();
  139. 			}
  140. 		};
  141. 		if (document.readyState === 'complete') {
  142. 			setTimeout(fireOnce, 1); // async
  143. 			return;
  144. 		}
  145. 		if (document.addEventListener) {
  146. 			document.addEventListener('DOMContentLoaded', fireOnce, false);
  147. 			// Fallback
  148. 			window.addEventListener('load', fireOnce, false);
  149. 		} else if (document.attachEvent) {
  150. 			// IE
  151. 			document.attachEvent('onreadystatechange', function () {
  152. 				if (document.readyState === 'complete') {
  153. 					document.detachEvent('onreadystatechange', arguments.callee);
  154. 					fireOnce();
  155. 				}
  156. 			})
  157. 			// Fallback
  158. 			window.attachEvent('onload', fireOnce);
  159. 			// IE7/8
  160. 			if (document.documentElement.doScroll && window == window.top) {
  161. 				var tryScroll = function () {
  162. 					if (!document.body) { return; }
  163. 					try {
  164. 						document.documentElement.doScroll('left');
  165. 						fireOnce();
  166. 					} catch (e) {
  167. 						setTimeout(tryScroll, 1);
  168. 					}
  169. 				};
  170. 				tryScroll();
  171. 			}
  172. 		}
  173. 	},
  174.  
  175. 	warn : function (msg) {
  176. 		if (window.console && window.console.warn) {
  177. 			window.console.warn(msg);
  178. 		}
  179. 	},
  180.  
  181. 	preventDefault : function (e) {
  182. 		if (e.preventDefault) { e.preventDefault(); }
  183. 		e.returnValue = false;
  184. 	},
  185.  
  186. 	captureTarget : function (target) {
  187. 		// IE
  188. 		if (target.setCapture) {
  189. 			jsc._capturedTarget = target;
  190. 			jsc._capturedTarget.setCapture();
  191. 		}
  192. 	},
  193.  
  194. 	releaseTarget : function () {
  195. 		// IE
  196. 		if (jsc._capturedTarget) {
  197. 			jsc._capturedTarget.releaseCapture();
  198. 			jsc._capturedTarget = null;
  199. 		}
  200. 	},
  201.  
  202. 	fireEvent : function (el, evnt) {
  203. 		if (!el) {
  204. 			return;
  205. 		}
  206. 		if (document.createEvent) {
  207. 			var ev = document.createEvent('HTMLEvents');
  208. 			ev.initEvent(evnt, true, true);
  209. 			el.dispatchEvent(ev);
  210. 		} else if (document.createEventObject) {
  211. 			var ev = document.createEventObject();
  212. 			el.fireEvent('on' + evnt, ev);
  213. 		} else if (el['on' + evnt]) { // alternatively use the traditional event model
  214. 			el['on' + evnt]();
  215. 		}
  216. 	},
  217.  
  218. 	classNameToList : function (className) {
  219. 		return className.replace(/^\s+|\s+$/g, '').split(/\s+/);
  220. 	},
  221.  
  222. 	// The className parameter (str) can only contain a single class name
  223. 	hasClass : function (elm, className) {
  224. 		if (!className) {
  225. 			return false;
  226. 		}
  227. 		return -1 != (' ' + elm.className.replace(/\s+/g, ' ') + ' ').indexOf(' ' + className + ' ');
  228. 	},
  229.  
  230. 	// The className parameter (str) can contain multiple class names separated by whitespace
  231. 	setClass : function (elm, className) {
  232. 		var classList = jsc.classNameToList(className);
  233. 		for (var i = 0; i < classList.length; i += 1) {
  234. 			if (!jsc.hasClass(elm, classList[i])) {
  235. 				elm.className += (elm.className ? ' ' : '') + classList[i];
  236. 			}
  237. 		}
  238. 	},
  239.  
  240. 	// The className parameter (str) can contain multiple class names separated by whitespace
  241. 	unsetClass : function (elm, className) {
  242. 		var classList = jsc.classNameToList(className);
  243. 		for (var i = 0; i < classList.length; i += 1) {
  244. 			var repl = new RegExp(
  245. 				'^\\s*' + classList[i] + '\\s*|' +
  246. 				'\\s*' + classList[i] + '\\s*$|' +
  247. 				'\\s+' + classList[i] + '(\\s+)',
  248. 				'g'
  249. 			);
  250. 			elm.className = elm.className.replace(repl, '$1');
  251. 		}
  252. 	},
  253.  
  254. 	getStyle : function (elm) {
  255. 		return window.getComputedStyle ? window.getComputedStyle(elm) : elm.currentStyle;
  256. 	},
  257.  
  258. 	setStyle : (function () {
  259. 		var helper = document.createElement('div');
  260. 		var getSupportedProp = function (names) {
  261. 			for (var i = 0; i < names.length; i += 1) {
  262. 				if (names[i] in helper.style) {
  263. 					return names[i];
  264. 				}
  265. 			}
  266. 		};
  267. 		var props = {
  268. 			borderRadius: getSupportedProp(['borderRadius', 'MozBorderRadius', 'webkitBorderRadius']),
  269. 			boxShadow: getSupportedProp(['boxShadow', 'MozBoxShadow', 'webkitBoxShadow'])
  270. 		};
  271. 		return function (elm, prop, value) {
  272. 			switch (prop.toLowerCase()) {
  273. 			case 'opacity':
  274. 				var alphaOpacity = Math.round(parseFloat(value) * 100);
  275. 				elm.style.opacity = value;
  276. 				elm.style.filter = 'alpha(opacity=' + alphaOpacity + ')';
  277. 				break;
  278. 			default:
  279. 				elm.style[props[prop]] = value;
  280. 				break;
  281. 			}
  282. 		};
  283. 	})(),
  284.  
  285. 	setBorderRadius : function (elm, value) {
  286. 		jsc.setStyle(elm, 'borderRadius', value || '0');
  287. 	},
  288.  
  289. 	setBoxShadow : function (elm, value) {
  290. 		jsc.setStyle(elm, 'boxShadow', value || 'none');
  291. 	},
  292.  
  293. 	getElementPos : function (e, relativeToViewport) {
  294. 		var x=0, y=0;
  295. 		var rect = e.getBoundingClientRect();
  296. 		x = rect.left;
  297. 		y = rect.top;
  298. 		if (!relativeToViewport) {
  299. 			var viewPos = jsc.getViewPos();
  300. 			x += viewPos[0];
  301. 			y += viewPos[1];
  302. 		}
  303. 		return [x, y];
  304. 	},
  305.  
  306. 	getElementSize : function (e) {
  307. 		return [e.offsetWidth, e.offsetHeight];
  308. 	},
  309.  
  310. 	// get pointer's X/Y coordinates relative to viewport
  311. 	getAbsPointerPos : function (e) {
  312. 		if (!e) { e = window.event; }
  313. 		var x = 0, y = 0;
  314. 		if (typeof e.changedTouches !== 'undefined' && e.changedTouches.length) {
  315. 			// touch devices
  316. 			x = e.changedTouches[0].clientX;
  317. 			y = e.changedTouches[0].clientY;
  318. 		} else if (typeof e.clientX === 'number') {
  319. 			x = e.clientX;
  320. 			y = e.clientY;
  321. 		}
  322. 		return { x: x, y: y };
  323. 	},
  324.  
  325. 	// get pointer's X/Y coordinates relative to target element
  326. 	getRelPointerPos : function (e) {
  327. 		if (!e) { e = window.event; }
  328. 		var target = e.target || e.srcElement;
  329. 		var targetRect = target.getBoundingClientRect();
  330. 		var x = 0, y = 0;
  331. 		var clientX = 0, clientY = 0;
  332. 		if (typeof e.changedTouches !== 'undefined' && e.changedTouches.length) {
  333. 			// touch devices
  334. 			clientX = e.changedTouches[0].clientX;
  335. 			clientY = e.changedTouches[0].clientY;
  336. 		} else if (typeof e.clientX === 'number') {
  337. 			clientX = e.clientX;
  338. 			clientY = e.clientY;
  339. 		}
  340. 		x = clientX - targetRect.left;
  341. 		y = clientY - targetRect.top;
  342. 		return { x: x, y: y };
  343. 	},
  344.  
  345. 	getViewPos : function () {
  346. 		var doc = document.documentElement;
  347. 		return [
  348. 			(window.pageXOffset || doc.scrollLeft) - (doc.clientLeft || 0),
  349. 			(window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0)
  350. 		];
  351. 	},
  352.  
  353. 	getViewSize : function () {
  354. 		var doc = document.documentElement;
  355. 		return [
  356. 			(window.innerWidth || doc.clientWidth),
  357. 			(window.innerHeight || doc.clientHeight),
  358. 		];
  359. 	},
  360.  
  361. 	redrawPosition : function () {
  362. 		if (jsc.picker && jsc.picker.owner) {
  363. 			var thisObj = jsc.picker.owner;
  364. 			var tp, vp;
  365. 			if (thisObj.fixed) {
  366. 				// Fixed elements are positioned relative to viewport,
  367. 				// therefore we can ignore the scroll offset
  368. 				tp = jsc.getElementPos(thisObj.targetElement, true); // target pos
  369. 				vp = [0, 0]; // view pos
  370. 			} else {
  371. 				tp = jsc.getElementPos(thisObj.targetElement); // target pos
  372. 				vp = jsc.getViewPos(); // view pos
  373. 			}
  374. 			var ts = jsc.getElementSize(thisObj.targetElement); // target size
  375. 			var vs = jsc.getViewSize(); // view size
  376. 			var ps = jsc.getPickerOuterDims(thisObj); // picker size
  377. 			var a, b, c;
  378. 			switch (thisObj.position.toLowerCase()) {
  379. 				case 'left': a=1; b=0; c=-1; break;
  380. 				case 'right':a=1; b=0; c=1; break;
  381. 				case 'top':  a=0; b=1; c=-1; break;
  382. 				default:     a=0; b=1; c=1; break;
  383. 			}
  384. 			var l = (ts[b]+ps[b])/2;
  385. 			// compute picker position
  386. 			if (!thisObj.smartPosition) {
  387. 				var pp = [
  388. 					tp[a],
  389. 					tp[b]+ts[b]-l+l*c
  390. 				];
  391. 			} else {
  392. 				var pp = [
  393. 					-vp[a]+tp[a]+ps[a] > vs[a] ?
  394. 						(-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]) :
  395. 						tp[a],
  396. 					-vp[b]+tp[b]+ts[b]+ps[b]-l+l*c > vs[b] ?
  397. 						(-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) :
  398. 						(tp[b]+ts[b]-l+l*c >= 0 ? tp[b]+ts[b]-l+l*c : tp[b]+ts[b]-l-l*c)
  399. 				];
  400. 			}
  401. 			var x = pp[a];
  402. 			var y = pp[b];
  403. 			var positionValue = thisObj.fixed ? 'fixed' : 'absolute';
  404. 			var contractShadow =
  405. 				(pp[0] + ps[0] > tp[0] || pp[0] < tp[0] + ts[0]) &&
  406. 				(pp[1] + ps[1] < tp[1] + ts[1]);
  407. 			jsc._drawPosition(thisObj, x, y, positionValue, contractShadow);
  408. 		}
  409. 	},
  410.  
  411. 	_drawPosition : function (thisObj, x, y, positionValue, contractShadow) {
  412. 		var vShadow = contractShadow ? 0 : thisObj.shadowBlur; // px
  413. 		jsc.picker.wrap.style.position = positionValue;
  414. 		jsc.picker.wrap.style.left = x + 'px';
  415. 		jsc.picker.wrap.style.top = y + 'px';
  416. 		jsc.setBoxShadow(
  417. 			jsc.picker.boxS,
  418. 			thisObj.shadow ?
  419. 				new jsc.BoxShadow(0, vShadow, thisObj.shadowBlur, 0, thisObj.shadowColor) :
  420. 				null);
  421. 	},
  422.  
  423. 	getPickerDims : function (thisObj) {
  424. 		var displaySlider = !!jsc.getSliderComponent(thisObj);
  425. 		var dims = [
  426. 			2 * thisObj.insetWidth + 2 * thisObj.padding + thisObj.width +
  427. 				(displaySlider ? 2 * thisObj.insetWidth + jsc.getPadToSliderPadding(thisObj) + thisObj.sliderSize : 0),
  428. 			2 * thisObj.insetWidth + 2 * thisObj.padding + thisObj.height +
  429. 				(thisObj.closable ? 2 * thisObj.insetWidth + thisObj.padding + thisObj.buttonHeight : 0)
  430. 		];
  431. 		return dims;
  432. 	},
  433.  
  434. 	getPickerOuterDims : function (thisObj) {
  435. 		var dims = jsc.getPickerDims(thisObj);
  436. 		return [
  437. 			dims[0] + 2 * thisObj.borderWidth,
  438. 			dims[1] + 2 * thisObj.borderWidth
  439. 		];
  440. 	},
  441.  
  442. 	getPadToSliderPadding : function (thisObj) {
  443. 		return Math.max(thisObj.padding, 1.5 * (2 * thisObj.pointerBorderWidth + thisObj.pointerThickness));
  444. 	},
  445.  
  446. 	getPadYComponent : function (thisObj) {
  447. 		switch (thisObj.mode.charAt(1).toLowerCase()) {
  448. 			case 'v': return 'v'; break;
  449. 		}
  450. 		return 's';
  451. 	},
  452.  
  453. 	getSliderComponent : function (thisObj) {
  454. 		if (thisObj.mode.length > 2) {
  455. 			switch (thisObj.mode.charAt(2).toLowerCase()) {
  456. 				case 's': return 's'; break;
  457. 				case 'v': return 'v'; break;
  458. 			}
  459. 		}
  460. 		return null;
  461. 	},
  462.  
  463. 	onDocumentMouseDown : function (e) {
  464. 		if (!e) { e = window.event; }
  465. 		var target = e.target || e.srcElement;
  466. 		if (target._jscLinkedInstance) {
  467. 			if (target._jscLinkedInstance.showOnClick) {
  468. 				target._jscLinkedInstance.show();
  469. 			}
  470. 		} else if (target._jscControlName) {
  471. 			jsc.onControlPointerStart(e, target, target._jscControlName, 'mouse');
  472. 		} else {
  473. 			// Mouse is outside the picker controls -> hide the color picker!
  474. 			if (jsc.picker && jsc.picker.owner) {
  475. 				jsc.picker.owner.hide();
  476. 			}
  477. 		}
  478. 	},
  479.  
  480. 	onDocumentTouchStart : function (e) {
  481. 		if (!e) { e = window.event; }
  482. 		var target = e.target || e.srcElement;
  483. 		if (target._jscLinkedInstance) {
  484. 			if (target._jscLinkedInstance.showOnClick) {
  485. 				target._jscLinkedInstance.show();
  486. 			}
  487. 		} else if (target._jscControlName) {
  488. 			jsc.onControlPointerStart(e, target, target._jscControlName, 'touch');
  489. 		} else {
  490. 			if (jsc.picker && jsc.picker.owner) {
  491. 				jsc.picker.owner.hide();
  492. 			}
  493. 		}
  494. 	},
  495.  
  496. 	onWindowResize : function (e) {
  497. 		jsc.redrawPosition();
  498. 	},
  499.  
  500. 	onParentScroll : function (e) {
  501. 		// hide the picker when one of the parent elements is scrolled
  502. 		if (jsc.picker && jsc.picker.owner) {
  503. 			jsc.picker.owner.hide();
  504. 		}
  505. 	},
  506.  
  507. 	_pointerMoveEvent : {
  508. 		mouse: 'mousemove',
  509. 		touch: 'touchmove'
  510. 	},
  511. 	_pointerEndEvent : {
  512. 		mouse: 'mouseup',
  513. 		touch: 'touchend'
  514. 	},
  515.  
  516. 	_pointerOrigin : null,
  517. 	_capturedTarget : null,
  518.  
  519. 	onControlPointerStart : function (e, target, controlName, pointerType) {
  520. 		var thisObj = target._jscInstance;
  521. 		jsc.preventDefault(e);
  522. 		jsc.captureTarget(target);
  523. 		var registerDragEvents = function (doc, offset) {
  524. 			jsc.attachGroupEvent('drag', doc, jsc._pointerMoveEvent[pointerType],
  525. 				jsc.onDocumentPointerMove(e, target, controlName, pointerType, offset));
  526. 			jsc.attachGroupEvent('drag', doc, jsc._pointerEndEvent[pointerType],
  527. 				jsc.onDocumentPointerEnd(e, target, controlName, pointerType));
  528. 		};
  529. 		registerDragEvents(document, [0, 0]);
  530. 		if (window.parent && window.frameElement) {
  531. 			var rect = window.frameElement.getBoundingClientRect();
  532. 			var ofs = [-rect.left, -rect.top];
  533. 			registerDragEvents(window.parent.window.document, ofs);
  534. 		}
  535. 		var abs = jsc.getAbsPointerPos(e);
  536. 		var rel = jsc.getRelPointerPos(e);
  537. 		jsc._pointerOrigin = {
  538. 			x: abs.x - rel.x,
  539. 			y: abs.y - rel.y
  540. 		};
  541. 		switch (controlName) {
  542. 		case 'pad':
  543. 			// if the slider is at the bottom, move it up
  544. 			switch (jsc.getSliderComponent(thisObj)) {
  545. 			case 's': if (thisObj.hsv[1] === 0) { thisObj.fromHSV(null, 100, null); }; break;
  546. 			case 'v': if (thisObj.hsv[2] === 0) { thisObj.fromHSV(null, null, 100); }; break;
  547. 			}
  548. 			jsc.setPad(thisObj, e, 0, 0);
  549. 			break;
  550. 		case 'sld':
  551. 			jsc.setSld(thisObj, e, 0);
  552. 			break;
  553. 		}
  554. 		jsc.dispatchFineChange(thisObj);
  555. 	},
  556.  
  557. 	onDocumentPointerMove : function (e, target, controlName, pointerType, offset) {
  558. 		return function (e) {
  559. 			var thisObj = target._jscInstance;
  560. 			switch (controlName) {
  561. 			case 'pad':
  562. 				if (!e) { e = window.event; }
  563. 				jsc.setPad(thisObj, e, offset[0], offset[1]);
  564. 				jsc.dispatchFineChange(thisObj);
  565. 				break;
  566. 			case 'sld':
  567. 				if (!e) { e = window.event; }
  568. 				jsc.setSld(thisObj, e, offset[1]);
  569. 				jsc.dispatchFineChange(thisObj);
  570. 				break;
  571. 			}
  572. 		}
  573. 	},
  574.  
  575. 	onDocumentPointerEnd : function (e, target, controlName, pointerType) {
  576. 		return function (e) {
  577. 			var thisObj = target._jscInstance;
  578. 			jsc.detachGroupEvents('drag');
  579. 			jsc.releaseTarget();
  580. 			// Always dispatch changes after detaching outstanding mouse handlers,
  581. 			// in case some user interaction will occur in user's onchange callback
  582. 			// that would intrude with current mouse events
  583. 			jsc.dispatchChange(thisObj);
  584. 		};
  585. 	},
  586.  
  587. 	dispatchChange : function (thisObj) {
  588. 		if (thisObj.valueElement) {
  589. 			if (jsc.isElementType(thisObj.valueElement, 'input')) {
  590. 				jsc.fireEvent(thisObj.valueElement, 'change');
  591. 			}
  592. 		}
  593. 	},
  594.  
  595. 	dispatchFineChange : function (thisObj) {
  596. 		if (thisObj.onFineChange) {
  597. 			var callback;
  598. 			if (typeof thisObj.onFineChange === 'string') {
  599. 				callback = new Function (thisObj.onFineChange);
  600. 			} else {
  601. 				callback = thisObj.onFineChange;
  602. 			}
  603. 			callback.call(thisObj);
  604. 		}
  605. 	},
  606.  
  607. 	setPad : function (thisObj, e, ofsX, ofsY) {
  608. 		var pointerAbs = jsc.getAbsPointerPos(e);
  609. 		var x = ofsX + pointerAbs.x - jsc._pointerOrigin.x - thisObj.padding - thisObj.insetWidth;
  610. 		var y = ofsY + pointerAbs.y - jsc._pointerOrigin.y - thisObj.padding - thisObj.insetWidth;
  611. 		var xVal = x * (360 / (thisObj.width - 1));
  612. 		var yVal = 100 - (y * (100 / (thisObj.height - 1)));
  613. 		switch (jsc.getPadYComponent(thisObj)) {
  614. 		case 's': thisObj.fromHSV(xVal, yVal, null, jsc.leaveSld); break;
  615. 		case 'v': thisObj.fromHSV(xVal, null, yVal, jsc.leaveSld); break;
  616. 		}
  617. 	},
  618.  
  619. 	setSld : function (thisObj, e, ofsY) {
  620. 		var pointerAbs = jsc.getAbsPointerPos(e);
  621. 		var y = ofsY + pointerAbs.y - jsc._pointerOrigin.y - thisObj.padding - thisObj.insetWidth;
  622. 		var yVal = 100 - (y * (100 / (thisObj.height - 1)));
  623. 		switch (jsc.getSliderComponent(thisObj)) {
  624. 		case 's': thisObj.fromHSV(null, yVal, null, jsc.leavePad); break;
  625. 		case 'v': thisObj.fromHSV(null, null, yVal, jsc.leavePad); break;
  626. 		}
  627. 	},
  628.  
  629. 	_vmlNS : 'jsc_vml_',
  630. 	_vmlCSS : 'jsc_vml_css_',
  631. 	_vmlReady : false,
  632.  
  633. 	initVML : function () {
  634. 		if (!jsc._vmlReady) {
  635. 			// init VML namespace
  636. 			var doc = document;
  637. 			if (!doc.namespaces[jsc._vmlNS]) {
  638. 				doc.namespaces.add(jsc._vmlNS, 'urn:schemas-microsoft-com:vml');
  639. 			}
  640. 			if (!doc.styleSheets[jsc._vmlCSS]) {
  641. 				var tags = ['shape', 'shapetype', 'group', 'background', 'path', 'formulas', 'handles', 'fill', 'stroke', 'shadow', 'textbox', 'textpath', 'imagedata', 'line', 'polyline', 'curve', 'rect', 'roundrect', 'oval', 'arc', 'image'];
  642. 				var ss = doc.createStyleSheet();
  643. 				ss.owningElement.id = jsc._vmlCSS;
  644. 				for (var i = 0; i < tags.length; i += 1) {
  645. 					ss.addRule(jsc._vmlNS + '\\:' + tags[i], 'behavior:url(#default#VML);');
  646. 				}
  647. 			}
  648. 			jsc._vmlReady = true;
  649. 		}
  650. 	},
  651.  
  652. 	createPalette : function () {
  653. 		var paletteObj = {
  654. 			elm: null,
  655. 			draw: null
  656. 		};
  657. 		if (jsc.isCanvasSupported) {
  658. 			// Canvas implementation for modern browsers
  659. 			var canvas = document.createElement('canvas');
  660. 			var ctx = canvas.getContext('2d');
  661. 			var drawFunc = function (width, height, type) {
  662. 				canvas.width = width;
  663. 				canvas.height = height;
  664. 				ctx.clearRect(0, 0, canvas.width, canvas.height);
  665. 				var hGrad = ctx.createLinearGradient(0, 0, canvas.width, 0);
  666. 				hGrad.addColorStop(0 / 6, '#F00');
  667. 				hGrad.addColorStop(1 / 6, '#FF0');
  668. 				hGrad.addColorStop(2 / 6, '#0F0');
  669. 				hGrad.addColorStop(3 / 6, '#0FF');
  670. 				hGrad.addColorStop(4 / 6, '#00F');
  671. 				hGrad.addColorStop(5 / 6, '#F0F');
  672. 				hGrad.addColorStop(6 / 6, '#F00');
  673. 				ctx.fillStyle = hGrad;
  674. 				ctx.fillRect(0, 0, canvas.width, canvas.height);
  675. 				var vGrad = ctx.createLinearGradient(0, 0, 0, canvas.height);
  676. 				switch (type.toLowerCase()) {
  677. 				case 's':
  678. 					vGrad.addColorStop(0, 'rgba(255,255,255,0)');
  679. 					vGrad.addColorStop(1, 'rgba(255,255,255,1)');
  680. 					break;
  681. 				case 'v':
  682. 					vGrad.addColorStop(0, 'rgba(0,0,0,0)');
  683. 					vGrad.addColorStop(1, 'rgba(0,0,0,1)');
  684. 					break;
  685. 				}
  686. 				ctx.fillStyle = vGrad;
  687. 				ctx.fillRect(0, 0, canvas.width, canvas.height);
  688. 			};
  689. 			paletteObj.elm = canvas;
  690. 			paletteObj.draw = drawFunc;
  691. 		} else {
  692. 			// VML fallback for IE 7 and 8
  693. 			jsc.initVML();
  694. 			var vmlContainer = document.createElement('div');
  695. 			vmlContainer.style.position = 'relative';
  696. 			vmlContainer.style.overflow = 'hidden';
  697. 			var hGrad = document.createElement(jsc._vmlNS + ':fill');
  698. 			hGrad.type = 'gradient';
  699. 			hGrad.method = 'linear';
  700. 			hGrad.angle = '90';
  701. 			hGrad.colors = '16.67% #F0F, 33.33% #00F, 50% #0FF, 66.67% #0F0, 83.33% #FF0'
  702. 			var hRect = document.createElement(jsc._vmlNS + ':rect');
  703. 			hRect.style.position = 'absolute';
  704. 			hRect.style.left = -1 + 'px';
  705. 			hRect.style.top = -1 + 'px';
  706. 			hRect.stroked = false;
  707. 			hRect.appendChild(hGrad);
  708. 			vmlContainer.appendChild(hRect);
  709. 			var vGrad = document.createElement(jsc._vmlNS + ':fill');
  710. 			vGrad.type = 'gradient';
  711. 			vGrad.method = 'linear';
  712. 			vGrad.angle = '180';
  713. 			vGrad.opacity = '0';
  714. 			var vRect = document.createElement(jsc._vmlNS + ':rect');
  715. 			vRect.style.position = 'absolute';
  716. 			vRect.style.left = -1 + 'px';
  717. 			vRect.style.top = -1 + 'px';
  718. 			vRect.stroked = false;
  719. 			vRect.appendChild(vGrad);
  720. 			vmlContainer.appendChild(vRect);
  721. 			var drawFunc = function (width, height, type) {
  722. 				vmlContainer.style.width = width + 'px';
  723. 				vmlContainer.style.height = height + 'px';
  724. 				hRect.style.width =
  725. 				vRect.style.width =
  726. 					(width + 1) + 'px';
  727. 				hRect.style.height =
  728. 				vRect.style.height =
  729. 					(height + 1) + 'px';
  730. 				// Colors must be specified during every redraw, otherwise IE won't display
  731. 				// a full gradient during a subsequential redraw
  732. 				hGrad.color = '#F00';
  733. 				hGrad.color2 = '#F00';
  734. 				switch (type.toLowerCase()) {
  735. 				case 's':
  736. 					vGrad.color = vGrad.color2 = '#FFF';
  737. 					break;
  738. 				case 'v':
  739. 					vGrad.color = vGrad.color2 = '#000';
  740. 					break;
  741. 				}
  742. 			};
  743. 			
  744. 			paletteObj.elm = vmlContainer;
  745. 			paletteObj.draw = drawFunc;
  746. 		}
  747. 		return paletteObj;
  748. 	},
  749.  
  750. 	createSliderGradient : function () {
  751. 		var sliderObj = {
  752. 			elm: null,
  753. 			draw: null
  754. 		};
  755. 		if (jsc.isCanvasSupported) {
  756. 			// Canvas implementation for modern browsers
  757. 			var canvas = document.createElement('canvas');
  758. 			var ctx = canvas.getContext('2d');
  759. 			var drawFunc = function (width, height, color1, color2) {
  760. 				canvas.width = width;
  761. 				canvas.height = height;
  762. 				ctx.clearRect(0, 0, canvas.width, canvas.height);
  763. 				var grad = ctx.createLinearGradient(0, 0, 0, canvas.height);
  764. 				grad.addColorStop(0, color1);
  765. 				grad.addColorStop(1, color2);
  766. 				ctx.fillStyle = grad;
  767. 				ctx.fillRect(0, 0, canvas.width, canvas.height);
  768. 			};
  769. 			sliderObj.elm = canvas;
  770. 			sliderObj.draw = drawFunc;
  771. 		} else {
  772. 			// VML fallback for IE 7 and 8
  773. 			jsc.initVML();
  774. 			var vmlContainer = document.createElement('div');
  775. 			vmlContainer.style.position = 'relative';
  776. 			vmlContainer.style.overflow = 'hidden';
  777. 			var grad = document.createElement(jsc._vmlNS + ':fill');
  778. 			grad.type = 'gradient';
  779. 			grad.method = 'linear';
  780. 			grad.angle = '180';
  781. 			var rect = document.createElement(jsc._vmlNS + ':rect');
  782. 			rect.style.position = 'absolute';
  783. 			rect.style.left = -1 + 'px';
  784. 			rect.style.top = -1 + 'px';
  785. 			rect.stroked = false;
  786. 			rect.appendChild(grad);
  787. 			vmlContainer.appendChild(rect);
  788. 			var drawFunc = function (width, height, color1, color2) {
  789. 				vmlContainer.style.width = width + 'px';
  790. 				vmlContainer.style.height = height + 'px';
  791. 				rect.style.width = (width + 1) + 'px';
  792. 				rect.style.height = (height + 1) + 'px';
  793. 				grad.color = color1;
  794. 				grad.color2 = color2;
  795. 			};
  796. 			
  797. 			sliderObj.elm = vmlContainer;
  798. 			sliderObj.draw = drawFunc;
  799. 		}
  800. 		return sliderObj;
  801. 	},
  802.  
  803. 	leaveValue : 1<<0,
  804. 	leaveStyle : 1<<1,
  805. 	leavePad : 1<<2,
  806. 	leaveSld : 1<<3,
  807.  
  808. 	BoxShadow : (function () {
  809. 		var BoxShadow = function (hShadow, vShadow, blur, spread, color, inset) {
  810. 			this.hShadow = hShadow;
  811. 			this.vShadow = vShadow;
  812. 			this.blur = blur;
  813. 			this.spread = spread;
  814. 			this.color = color;
  815. 			this.inset = !!inset;
  816. 		};
  817. 		BoxShadow.prototype.toString = function () {
  818. 			var vals = [
  819. 				Math.round(this.hShadow) + 'px',
  820. 				Math.round(this.vShadow) + 'px',
  821. 				Math.round(this.blur) + 'px',
  822. 				Math.round(this.spread) + 'px',
  823. 				this.color
  824. 			];
  825. 			if (this.inset) {
  826. 				vals.push('inset');
  827. 			}
  828. 			return vals.join(' ');
  829. 		};
  830. 		return BoxShadow;
  831. 	})(),
  832.  
  833. 	//
  834. 	// Usage:
  835. 	// var myColor = new jscolor(<targetElement> [, <options>])
  836. 	//
  837. 	jscolor : function (targetElement, options) {
  838. 		// General options
  839. 		//
  840. 		this.value = null; // initial HEX color. To change it later, use methods fromString(), fromHSV() and fromRGB()
  841. 		this.valueElement = targetElement; // element that will be used to display and input the color code
  842. 		this.styleElement = targetElement; // element that will preview the picked color using CSS backgroundColor
  843. 		this.required = true; // whether the associated text <input> can be left empty
  844. 		this.refine = true; // whether to refine the entered color code (e.g. uppercase it and remove whitespace)
  845. 		this.hash = false; // whether to prefix the HEX color code with # symbol
  846. 		this.uppercase = true; // whether to uppercase the color code
  847. 		this.onFineChange = null; // called instantly every time the color changes (value can be either a function or a string with javascript code)
  848. 		this.activeClass = 'jscolor-active'; // class to be set to the target element when a picker window is open on it
  849. 		this.minS = 0; // min allowed saturation (0 - 100)
  850. 		this.maxS = 100; // max allowed saturation (0 - 100)
  851. 		this.minV = 0; // min allowed value (brightness) (0 - 100)
  852. 		this.maxV = 100; // max allowed value (brightness) (0 - 100)
  853. 		// Accessing the picked color
  854. 		//
  855. 		this.hsv = [0, 0, 100]; // read-only  [0-360, 0-100, 0-100]
  856. 		this.rgb = [255, 255, 255]; // read-only  [0-255, 0-255, 0-255]
  857. 		// Color Picker options
  858. 		//
  859. 		this.width = 181; // width of color palette (in px)
  860. 		this.height = 101; // height of color palette (in px)
  861. 		this.showOnClick = true; // whether to display the color picker when user clicks on its target element
  862. 		this.mode = 'HSV'; // HSV | HVS | HS | HV - layout of the color picker controls
  863. 		this.position = 'bottom'; // left | right | top | bottom - position relative to the target element
  864. 		this.smartPosition = true; // automatically change picker position when there is not enough space for it
  865. 		this.sliderSize = 16; // px
  866. 		this.crossSize = 8; // px
  867. 		this.closable = false; // whether to display the Close button
  868. 		this.closeText = 'Close';
  869. 		this.buttonColor = '#000000'; // CSS color
  870. 		this.buttonHeight = 18; // px
  871. 		this.padding = 12; // px
  872. 		this.backgroundColor = '#FFFFFF'; // CSS color
  873. 		this.borderWidth = 1; // px
  874. 		this.borderColor = '#BBBBBB'; // CSS color
  875. 		this.borderRadius = 8; // px
  876. 		this.insetWidth = 1; // px
  877. 		this.insetColor = '#BBBBBB'; // CSS color
  878. 		this.shadow = true; // whether to display shadow
  879. 		this.shadowBlur = 15; // px
  880. 		this.shadowColor = 'rgba(0,0,0,0.2)'; // CSS color
  881. 		this.pointerColor = '#4C4C4C'; // px
  882. 		this.pointerBorderColor = '#FFFFFF'; // px
  883.         this.pointerBorderWidth = 1; // px
  884.         this.pointerThickness = 2; // px
  885. 		this.zIndex = 1000;
  886. 		this.container = null; // where to append the color picker (BODY element by default)
  887.  
  888. 		for (var opt in options) {
  889. 			if (options.hasOwnProperty(opt)) {
  890. 				this[opt] = options[opt];
  891. 			}
  892. 		}
  893.  
  894. 		this.hide = function () {
  895. 			if (isPickerOwner()) {
  896. 				detachPicker();
  897. 			}
  898. 		};
  899.  
  900. 		this.show = function () {
  901. 			drawPicker();
  902. 		};
  903.  
  904. 		this.redraw = function () {
  905. 			if (isPickerOwner()) {
  906. 				drawPicker();
  907. 			}
  908. 		};
  909.  
  910. 		this.importColor = function () {
  911. 			if (!this.valueElement) {
  912. 				this.exportColor();
  913. 			} else {
  914. 				if (jsc.isElementType(this.valueElement, 'input')) {
  915. 					if (!this.refine) {
  916. 						if (!this.fromString(this.valueElement.value, jsc.leaveValue)) {
  917. 							if (this.styleElement) {
  918. 								this.styleElement.style.backgroundImage = this.styleElement._jscOrigStyle.backgroundImage;
  919. 								this.styleElement.style.backgroundColor = this.styleElement._jscOrigStyle.backgroundColor;
  920. 								this.styleElement.style.color = this.styleElement._jscOrigStyle.color;
  921. 							}
  922. 							this.exportColor(jsc.leaveValue | jsc.leaveStyle);
  923. 						}
  924. 					} else if (!this.required && /^\s*$/.test(this.valueElement.value)) {
  925. 						this.valueElement.value = '';
  926. 						if (this.styleElement) {
  927. 							this.styleElement.style.backgroundImage = this.styleElement._jscOrigStyle.backgroundImage;
  928. 							this.styleElement.style.backgroundColor = this.styleElement._jscOrigStyle.backgroundColor;
  929. 							this.styleElement.style.color = this.styleElement._jscOrigStyle.color;
  930. 						}
  931. 						this.exportColor(jsc.leaveValue | jsc.leaveStyle);
  932. 					} else if (this.fromString(this.valueElement.value)) {
  933. 						// managed to import color successfully from the value -> OK, don't do anything
  934. 					} else {
  935. 						this.exportColor();
  936. 					}
  937. 				} else {
  938. 					// not an input element -> doesn't have any value
  939. 					this.exportColor();
  940. 				}
  941. 			}
  942. 		};
  943.  
  944. 		this.exportColor = function (flags) {
  945. 			if (!(flags & jsc.leaveValue) && this.valueElement) {
  946. 				var value = this.toString();
  947. 				if (this.uppercase) { value = value.toUpperCase(); }
  948. 				if (this.hash) { value = '#' + value; }
  949. 				if (jsc.isElementType(this.valueElement, 'input')) {
  950. 					this.valueElement.value = value;
  951. 				} else {
  952. 					this.valueElement.innerHTML = value;
  953. 				}
  954. 			}
  955. 			if (!(flags & jsc.leaveStyle)) {
  956. 				if (this.styleElement) {
  957. 					this.styleElement.style.backgroundImage = 'none';
  958. 					this.styleElement.style.backgroundColor = '#' + this.toString();
  959. 					this.styleElement.style.color = this.isLight() ? '#000' : '#FFF';
  960. 				}
  961. 			}
  962. 			if (!(flags & jsc.leavePad) && isPickerOwner()) {
  963. 				redrawPad();
  964. 			}
  965. 			if (!(flags & jsc.leaveSld) && isPickerOwner()) {
  966. 				redrawSld();
  967. 			}
  968. 		};
  969.  
  970. 		// h: 0-360
  971. 		// s: 0-100
  972. 		// v: 0-100
  973. 		//
  974. 		this.fromHSV = function (h, s, v, flags) { // null = don't change
  975. 			if (h !== null) {
  976. 				if (isNaN(h)) { return false; }
  977. 				h = Math.max(0, Math.min(360, h));
  978. 			}
  979. 			if (s !== null) {
  980. 				if (isNaN(s)) { return false; }
  981. 				s = Math.max(0, Math.min(100, this.maxS, s), this.minS);
  982. 			}
  983. 			if (v !== null) {
  984. 				if (isNaN(v)) { return false; }
  985. 				v = Math.max(0, Math.min(100, this.maxV, v), this.minV);
  986. 			}
  987. 			this.rgb = HSV_RGB(
  988. 				h===null ? this.hsv[0] : (this.hsv[0]=h),
  989. 				s===null ? this.hsv[1] : (this.hsv[1]=s),
  990. 				v===null ? this.hsv[2] : (this.hsv[2]=v)
  991. 			);
  992. 			this.exportColor(flags);
  993. 		};
  994.  
  995. 		// r: 0-255
  996. 		// g: 0-255
  997. 		// b: 0-255
  998. 		//
  999. 		this.fromRGB = function (r, g, b, flags) { // null = don't change
  1000. 			if (r !== null) {
  1001. 				if (isNaN(r)) { return false; }
  1002. 				r = Math.max(0, Math.min(255, r));
  1003. 			}
  1004. 			if (g !== null) {
  1005. 				if (isNaN(g)) { return false; }
  1006. 				g = Math.max(0, Math.min(255, g));
  1007. 			}
  1008. 			if (b !== null) {
  1009. 				if (isNaN(b)) { return false; }
  1010. 				b = Math.max(0, Math.min(255, b));
  1011. 			}
  1012. 			var hsv = RGB_HSV(
  1013. 				r===null ? this.rgb[0] : r,
  1014. 				g===null ? this.rgb[1] : g,
  1015. 				b===null ? this.rgb[2] : b
  1016. 			);
  1017. 			if (hsv[0] !== null) {
  1018. 				this.hsv[0] = Math.max(0, Math.min(360, hsv[0]));
  1019. 			}
  1020. 			if (hsv[2] !== 0) {
  1021. 				this.hsv[1] = hsv[1]===null ? null : Math.max(0, this.minS, Math.min(100, this.maxS, hsv[1]));
  1022. 			}
  1023. 			this.hsv[2] = hsv[2]===null ? null : Math.max(0, this.minV, Math.min(100, this.maxV, hsv[2]));
  1024. 			// update RGB according to final HSV, as some values might be trimmed
  1025. 			var rgb = HSV_RGB(this.hsv[0], this.hsv[1], this.hsv[2]);
  1026. 			this.rgb[0] = rgb[0];
  1027. 			this.rgb[1] = rgb[1];
  1028. 			this.rgb[2] = rgb[2];
  1029. 			this.exportColor(flags);
  1030. 		};
  1031.  
  1032. 		this.fromString = function (str, flags) {
  1033. 			var m;
  1034. 			if (m = str.match(/^\W*([0-9A-F]{3}([0-9A-F]{3})?)\W*$/i)) {
  1035. 				// HEX notation
  1036. 				//
  1037. 				if (m[1].length === 6) {
  1038. 					// 6-char notation
  1039. 					this.fromRGB(
  1040. 						parseInt(m[1].substr(0,2),16),
  1041. 						parseInt(m[1].substr(2,2),16),
  1042. 						parseInt(m[1].substr(4,2),16),
  1043. 						flags
  1044. 					);
  1045. 				} else {
  1046. 					// 3-char notation
  1047. 					this.fromRGB(
  1048. 						parseInt(m[1].charAt(0) + m[1].charAt(0),16),
  1049. 						parseInt(m[1].charAt(1) + m[1].charAt(1),16),
  1050. 						parseInt(m[1].charAt(2) + m[1].charAt(2),16),
  1051. 						flags
  1052. 					);
  1053. 				}
  1054. 				return true;
  1055. 			} else if (m = str.match(/^\W*rgba?\(([^)]*)\)\W*$/i)) {
  1056. 				var params = m[1].split(',');
  1057. 				var re = /^\s*(\d*)(\.\d+)?\s*$/;
  1058. 				var mR, mG, mB;
  1059. 				if (
  1060. 					params.length >= 3 &&
  1061. 					(mR = params[0].match(re)) &&
  1062. 					(mG = params[1].match(re)) &&
  1063. 					(mB = params[2].match(re))
  1064. 				) {
  1065. 					var r = parseFloat((mR[1] || '0') + (mR[2] || ''));
  1066. 					var g = parseFloat((mG[1] || '0') + (mG[2] || ''));
  1067. 					var b = parseFloat((mB[1] || '0') + (mB[2] || ''));
  1068. 					this.fromRGB(r, g, b, flags);
  1069. 					return true;
  1070. 				}
  1071. 			}
  1072. 			return false;
  1073. 		};
  1074.  
  1075. 		this.toString = function () {
  1076. 			return (
  1077. 				(0x100 | Math.round(this.rgb[0])).toString(16).substr(1) +
  1078. 				(0x100 | Math.round(this.rgb[1])).toString(16).substr(1) +
  1079. 				(0x100 | Math.round(this.rgb[2])).toString(16).substr(1)
  1080. 			);
  1081. 		};
  1082.  
  1083. 		this.toHEXString = function () {
  1084. 			return '#' + this.toString().toUpperCase();
  1085. 		};
  1086.  
  1087. 		this.toRGBString = function () {
  1088. 			return ('rgb(' +
  1089. 				Math.round(this.rgb[0]) + ',' +
  1090. 				Math.round(this.rgb[1]) + ',' +
  1091. 				Math.round(this.rgb[2]) + ')'
  1092. 			);
  1093. 		};
  1094.  
  1095. 		this.isLight = function () {
  1096. 			return (
  1097. 				0.213 * this.rgb[0] +
  1098. 				0.715 * this.rgb[1] +
  1099. 				0.072 * this.rgb[2] >
  1100. 				255 / 2
  1101. 			);
  1102. 		};
  1103.  
  1104. 		this._processParentElementsInDOM = function () {
  1105. 			if (this._linkedElementsProcessed) { return; }
  1106. 			this._linkedElementsProcessed = true;
  1107. 			var elm = this.targetElement;
  1108. 			do {
  1109. 				// If the target element or one of its parent nodes has fixed position,
  1110. 				// then use fixed positioning instead
  1111. 				//
  1112. 				// Note: In Firefox, getComputedStyle returns null in a hidden iframe,
  1113. 				// that's why we need to check if the returned style object is non-empty
  1114. 				var currStyle = jsc.getStyle(elm);
  1115. 				if (currStyle && currStyle.position.toLowerCase() === 'fixed') {
  1116. 					this.fixed = true;
  1117. 				}
  1118. 				if (elm !== this.targetElement) {
  1119. 					// Ensure to attach onParentScroll only once to each parent element
  1120. 					// (multiple targetElements can share the same parent nodes)
  1121. 					//
  1122. 					// Note: It's not just offsetParents that can be scrollable,
  1123. 					// that's why we loop through all parent nodes
  1124. 					if (!elm._jscEventsAttached) {
  1125. 						jsc.attachEvent(elm, 'scroll', jsc.onParentScroll);
  1126. 						elm._jscEventsAttached = true;
  1127. 					}
  1128. 				}
  1129. 			} while ((elm = elm.parentNode) && !jsc.isElementType(elm, 'body'));
  1130. 		};
  1131.  
  1132. 		// r: 0-255
  1133. 		// g: 0-255
  1134. 		// b: 0-255
  1135. 		//
  1136. 		// returns: [ 0-360, 0-100, 0-100 ]
  1137. 		//
  1138. 		function RGB_HSV (r, g, b) {
  1139. 			r /= 255;
  1140. 			g /= 255;
  1141. 			b /= 255;
  1142. 			var n = Math.min(Math.min(r,g),b);
  1143. 			var v = Math.max(Math.max(r,g),b);
  1144. 			var m = v - n;
  1145. 			if (m === 0) { return [ null, 0, 100 * v ]; }
  1146. 			var h = r===n ? 3+(b-g)/m : (g===n ? 5+(r-b)/m : 1+(g-r)/m);
  1147. 			return [
  1148. 				60 * (h===6?0:h),
  1149. 				100 * (m/v),
  1150. 				100 * v
  1151. 			];
  1152. 		}
  1153.  
  1154. 		// h: 0-360
  1155. 		// s: 0-100
  1156. 		// v: 0-100
  1157. 		//
  1158. 		// returns: [ 0-255, 0-255, 0-255 ]
  1159. 		//
  1160. 		function HSV_RGB (h, s, v) {
  1161. 			var u = 255 * (v / 100);
  1162. 			if (h === null) {
  1163. 				return [ u, u, u ];
  1164. 			}
  1165. 			h /= 60;
  1166. 			s /= 100;
  1167. 			var i = Math.floor(h);
  1168. 			var f = i%2 ? h-i : 1-(h-i);
  1169. 			var m = u * (1 - s);
  1170. 			var n = u * (1 - s * f);
  1171. 			switch (i) {
  1172. 				case 6:
  1173. 				case 0: return [u,n,m];
  1174. 				case 1: return [n,u,m];
  1175. 				case 2: return [m,u,n];
  1176. 				case 3: return [m,n,u];
  1177. 				case 4: return [n,m,u];
  1178. 				case 5: return [u,m,n];
  1179. 			}
  1180. 		}
  1181.  
  1182. 		function detachPicker () {
  1183. 			jsc.unsetClass(THIS.targetElement, THIS.activeClass);
  1184. 			jsc.picker.wrap.parentNode.removeChild(jsc.picker.wrap);
  1185. 			delete jsc.picker.owner;
  1186. 		}
  1187.  
  1188. 		function drawPicker () {
  1189. 			// At this point, when drawing the picker, we know what the parent elements are
  1190. 			// and we can do all related DOM operations, such as registering events on them
  1191. 			// or checking their positioning
  1192. 			THIS._processParentElementsInDOM();
  1193. 			if (!jsc.picker) {
  1194. 				jsc.picker = {
  1195. 					owner: null,
  1196. 					wrap : document.createElement('div'),
  1197. 					box : document.createElement('div'),
  1198. 					boxS : document.createElement('div'), // shadow area
  1199. 					boxB : document.createElement('div'), // border
  1200. 					pad : document.createElement('div'),
  1201. 					padB : document.createElement('div'), // border
  1202. 					padM : document.createElement('div'), // mouse/touch area
  1203. 					padPal : jsc.createPalette(),
  1204. 					cross : document.createElement('div'),
  1205. 					crossBY : document.createElement('div'), // border Y
  1206. 					crossBX : document.createElement('div'), // border X
  1207. 					crossLY : document.createElement('div'), // line Y
  1208. 					crossLX : document.createElement('div'), // line X
  1209. 					sld : document.createElement('div'),
  1210. 					sldB : document.createElement('div'), // border
  1211. 					sldM : document.createElement('div'), // mouse/touch area
  1212. 					sldGrad : jsc.createSliderGradient(),
  1213. 					sldPtrS : document.createElement('div'), // slider pointer spacer
  1214. 					sldPtrIB : document.createElement('div'), // slider pointer inner border
  1215. 					sldPtrMB : document.createElement('div'), // slider pointer middle border
  1216. 					sldPtrOB : document.createElement('div'), // slider pointer outer border
  1217. 					btn : document.createElement('div'),
  1218. 					btnT : document.createElement('span') // text
  1219. 				};
  1220. 				jsc.picker.pad.appendChild(jsc.picker.padPal.elm);
  1221. 				jsc.picker.padB.appendChild(jsc.picker.pad);
  1222. 				jsc.picker.cross.appendChild(jsc.picker.crossBY);
  1223. 				jsc.picker.cross.appendChild(jsc.picker.crossBX);
  1224. 				jsc.picker.cross.appendChild(jsc.picker.crossLY);
  1225. 				jsc.picker.cross.appendChild(jsc.picker.crossLX);
  1226. 				jsc.picker.padB.appendChild(jsc.picker.cross);
  1227. 				jsc.picker.box.appendChild(jsc.picker.padB);
  1228. 				jsc.picker.box.appendChild(jsc.picker.padM);
  1229. 				jsc.picker.sld.appendChild(jsc.picker.sldGrad.elm);
  1230. 				jsc.picker.sldB.appendChild(jsc.picker.sld);
  1231. 				jsc.picker.sldB.appendChild(jsc.picker.sldPtrOB);
  1232. 				jsc.picker.sldPtrOB.appendChild(jsc.picker.sldPtrMB);
  1233. 				jsc.picker.sldPtrMB.appendChild(jsc.picker.sldPtrIB);
  1234. 				jsc.picker.sldPtrIB.appendChild(jsc.picker.sldPtrS);
  1235. 				jsc.picker.box.appendChild(jsc.picker.sldB);
  1236. 				jsc.picker.box.appendChild(jsc.picker.sldM);
  1237. 				jsc.picker.btn.appendChild(jsc.picker.btnT);
  1238. 				jsc.picker.box.appendChild(jsc.picker.btn);
  1239. 				jsc.picker.boxB.appendChild(jsc.picker.box);
  1240. 				jsc.picker.wrap.appendChild(jsc.picker.boxS);
  1241. 				jsc.picker.wrap.appendChild(jsc.picker.boxB);
  1242. 			}
  1243. 			var p = jsc.picker;
  1244. 			var displaySlider = !!jsc.getSliderComponent(THIS);
  1245. 			var dims = jsc.getPickerDims(THIS);
  1246. 			var crossOuterSize = (2 * THIS.pointerBorderWidth + THIS.pointerThickness + 2 * THIS.crossSize);
  1247. 			var padToSliderPadding = jsc.getPadToSliderPadding(THIS);
  1248. 			var borderRadius = Math.min(
  1249. 				THIS.borderRadius,
  1250. 				Math.round(THIS.padding * Math.PI)); // px
  1251. 			var padCursor = 'crosshair';
  1252. 			// wrap
  1253. 			p.wrap.style.clear = 'both';
  1254. 			p.wrap.style.width = (dims[0] + 2 * THIS.borderWidth) + 'px';
  1255. 			p.wrap.style.height = (dims[1] + 2 * THIS.borderWidth) + 'px';
  1256. 			p.wrap.style.zIndex = THIS.zIndex;
  1257. 			// picker
  1258. 			p.box.style.width = dims[0] + 'px';
  1259. 			p.box.style.height = dims[1] + 'px';
  1260. 			p.boxS.style.position = 'absolute';
  1261. 			p.boxS.style.left = '0';
  1262. 			p.boxS.style.top = '0';
  1263. 			p.boxS.style.width = '100%';
  1264. 			p.boxS.style.height = '100%';
  1265. 			jsc.setBorderRadius(p.boxS, borderRadius + 'px');
  1266. 			// picker border
  1267. 			p.boxB.style.position = 'relative';
  1268. 			p.boxB.style.border = THIS.borderWidth + 'px solid';
  1269. 			p.boxB.style.borderColor = THIS.borderColor;
  1270. 			p.boxB.style.background = THIS.backgroundColor;
  1271. 			jsc.setBorderRadius(p.boxB, borderRadius + 'px');
  1272. 			// IE hack:
  1273. 			// If the element is transparent, IE will trigger the event on the elements under it,
  1274. 			// e.g. on Canvas or on elements with border
  1275. 			p.padM.style.background =
  1276. 			p.sldM.style.background =
  1277. 				'#FFF';
  1278. 			jsc.setStyle(p.padM, 'opacity', '0');
  1279. 			jsc.setStyle(p.sldM, 'opacity', '0');
  1280. 			// pad
  1281. 			p.pad.style.position = 'relative';
  1282. 			p.pad.style.width = THIS.width + 'px';
  1283. 			p.pad.style.height = THIS.height + 'px';
  1284. 			// pad palettes (HSV and HVS)
  1285. 			p.padPal.draw(THIS.width, THIS.height, jsc.getPadYComponent(THIS));
  1286. 			// pad border
  1287. 			p.padB.style.position = 'absolute';
  1288. 			p.padB.style.left = THIS.padding + 'px';
  1289. 			p.padB.style.top = THIS.padding + 'px';
  1290. 			p.padB.style.border = THIS.insetWidth + 'px solid';
  1291. 			p.padB.style.borderColor = THIS.insetColor;
  1292. 			// pad mouse area
  1293. 			p.padM._jscInstance = THIS;
  1294. 			p.padM._jscControlName = 'pad';
  1295. 			p.padM.style.position = 'absolute';
  1296. 			p.padM.style.left = '0';
  1297. 			p.padM.style.top = '0';
  1298. 			p.padM.style.width = (THIS.padding + 2 * THIS.insetWidth + THIS.width + padToSliderPadding / 2) + 'px';
  1299. 			p.padM.style.height = dims[1] + 'px';
  1300. 			p.padM.style.cursor = padCursor;
  1301. 			// pad cross
  1302. 			p.cross.style.position = 'absolute';
  1303. 			p.cross.style.left =
  1304. 			p.cross.style.top =
  1305. 				'0';
  1306. 			p.cross.style.width =
  1307. 			p.cross.style.height =
  1308. 				crossOuterSize + 'px';
  1309. 			// pad cross border Y and X
  1310. 			p.crossBY.style.position =
  1311. 			p.crossBX.style.position =
  1312. 				'absolute';
  1313. 			p.crossBY.style.background =
  1314. 			p.crossBX.style.background =
  1315. 				THIS.pointerBorderColor;
  1316. 			p.crossBY.style.width =
  1317. 			p.crossBX.style.height =
  1318. 				(2 * THIS.pointerBorderWidth + THIS.pointerThickness) + 'px';
  1319. 			p.crossBY.style.height =
  1320. 			p.crossBX.style.width =
  1321. 				crossOuterSize + 'px';
  1322. 			p.crossBY.style.left =
  1323. 			p.crossBX.style.top =
  1324. 				(Math.floor(crossOuterSize / 2) - Math.floor(THIS.pointerThickness / 2) - THIS.pointerBorderWidth) + 'px';
  1325. 			p.crossBY.style.top =
  1326. 			p.crossBX.style.left =
  1327. 				'0';
  1328. 			// pad cross line Y and X
  1329. 			p.crossLY.style.position =
  1330. 			p.crossLX.style.position =
  1331. 				'absolute';
  1332. 			p.crossLY.style.background =
  1333. 			p.crossLX.style.background =
  1334. 				THIS.pointerColor;
  1335. 			p.crossLY.style.height =
  1336. 			p.crossLX.style.width =
  1337. 				(crossOuterSize - 2 * THIS.pointerBorderWidth) + 'px';
  1338. 			p.crossLY.style.width =
  1339. 			p.crossLX.style.height =
  1340. 				THIS.pointerThickness + 'px';
  1341. 			p.crossLY.style.left =
  1342. 			p.crossLX.style.top =
  1343. 				(Math.floor(crossOuterSize / 2) - Math.floor(THIS.pointerThickness / 2)) + 'px';
  1344. 			p.crossLY.style.top =
  1345. 			p.crossLX.style.left =
  1346. 				THIS.pointerBorderWidth + 'px';
  1347. 			// slider
  1348. 			p.sld.style.overflow = 'hidden';
  1349. 			p.sld.style.width = THIS.sliderSize + 'px';
  1350. 			p.sld.style.height = THIS.height + 'px';
  1351. 			// slider gradient
  1352. 			p.sldGrad.draw(THIS.sliderSize, THIS.height, '#000', '#000');
  1353. 			// slider border
  1354. 			p.sldB.style.display = displaySlider ? 'block' : 'none';
  1355. 			p.sldB.style.position = 'absolute';
  1356. 			p.sldB.style.right = THIS.padding + 'px';
  1357. 			p.sldB.style.top = THIS.padding + 'px';
  1358. 			p.sldB.style.border = THIS.insetWidth + 'px solid';
  1359. 			p.sldB.style.borderColor = THIS.insetColor;
  1360. 			// slider mouse area
  1361. 			p.sldM._jscInstance = THIS;
  1362. 			p.sldM._jscControlName = 'sld';
  1363. 			p.sldM.style.display = displaySlider ? 'block' : 'none';
  1364. 			p.sldM.style.position = 'absolute';
  1365. 			p.sldM.style.right = '0';
  1366. 			p.sldM.style.top = '0';
  1367. 			p.sldM.style.width = (THIS.sliderSize + padToSliderPadding / 2 + THIS.padding + 2 * THIS.insetWidth) + 'px';
  1368. 			p.sldM.style.height = dims[1] + 'px';
  1369. 			p.sldM.style.cursor = 'default';
  1370. 			// slider pointer inner and outer border
  1371. 			p.sldPtrIB.style.border =
  1372. 			p.sldPtrOB.style.border =
  1373. 				THIS.pointerBorderWidth + 'px solid ' + THIS.pointerBorderColor;
  1374. 			// slider pointer outer border
  1375. 			p.sldPtrOB.style.position = 'absolute';
  1376. 			p.sldPtrOB.style.left = -(2 * THIS.pointerBorderWidth + THIS.pointerThickness) + 'px';
  1377. 			p.sldPtrOB.style.top = '0';
  1378. 			// slider pointer middle border
  1379. 			p.sldPtrMB.style.border = THIS.pointerThickness + 'px solid ' + THIS.pointerColor;
  1380. 			// slider pointer spacer
  1381. 			p.sldPtrS.style.width = THIS.sliderSize + 'px';
  1382. 			p.sldPtrS.style.height = sliderPtrSpace + 'px';
  1383. 			// the Close button
  1384. 			function setBtnBorder () {
  1385. 				var insetColors = THIS.insetColor.split(/\s+/);
  1386. 				var outsetColor = insetColors.length < 2 ? insetColors[0] : insetColors[1] + ' ' + insetColors[0] + ' ' + insetColors[0] + ' ' + insetColors[1];
  1387. 				p.btn.style.borderColor = outsetColor;
  1388. 			}
  1389. 			p.btn.style.display = THIS.closable ? 'block' : 'none';
  1390. 			p.btn.style.position = 'absolute';
  1391. 			p.btn.style.left = THIS.padding + 'px';
  1392. 			p.btn.style.bottom = THIS.padding + 'px';
  1393. 			p.btn.style.padding = '0 15px';
  1394. 			p.btn.style.height = THIS.buttonHeight + 'px';
  1395. 			p.btn.style.border = THIS.insetWidth + 'px solid';
  1396. 			setBtnBorder();
  1397. 			p.btn.style.color = THIS.buttonColor;
  1398. 			p.btn.style.font = '12px sans-serif';
  1399. 			p.btn.style.textAlign = 'center';
  1400. 			try {
  1401. 				p.btn.style.cursor = 'pointer';
  1402. 			} catch(eOldIE) {
  1403. 				p.btn.style.cursor = 'hand';
  1404. 			}
  1405. 			p.btn.onmousedown = function () {
  1406. 				THIS.hide();
  1407. 			};
  1408. 			p.btnT.style.lineHeight = THIS.buttonHeight + 'px';
  1409. 			p.btnT.innerHTML = '';
  1410. 			p.btnT.appendChild(document.createTextNode(THIS.closeText));
  1411. 			// place pointers
  1412. 			redrawPad();
  1413. 			redrawSld();
  1414. 			// If we are changing the owner without first closing the picker,
  1415. 			// make sure to first deal with the old owner
  1416. 			if (jsc.picker.owner && jsc.picker.owner !== THIS) {
  1417. 				jsc.unsetClass(jsc.picker.owner.targetElement, THIS.activeClass);
  1418. 			}
  1419. 			// Set the new picker owner
  1420. 			jsc.picker.owner = THIS;
  1421. 			// The redrawPosition() method needs picker.owner to be set, that's why we call it here,
  1422. 			// after setting the owner
  1423. 			if (jsc.isElementType(container, 'body')) {
  1424. 				jsc.redrawPosition();
  1425. 			} else {
  1426. 				jsc._drawPosition(THIS, 0, 0, 'relative', false);
  1427. 			}
  1428. 			if (p.wrap.parentNode != container) {
  1429. 				container.appendChild(p.wrap);
  1430. 			}
  1431. 			jsc.setClass(THIS.targetElement, THIS.activeClass);
  1432. 		}
  1433.  
  1434. 		function redrawPad () {
  1435. 			// redraw the pad pointer
  1436. 			switch (jsc.getPadYComponent(THIS)) {
  1437. 			case 's': var yComponent = 1; break;
  1438. 			case 'v': var yComponent = 2; break;
  1439. 			}
  1440. 			var x = Math.round((THIS.hsv[0] / 360) * (THIS.width - 1));
  1441. 			var y = Math.round((1 - THIS.hsv[yComponent] / 100) * (THIS.height - 1));
  1442. 			var crossOuterSize = (2 * THIS.pointerBorderWidth + THIS.pointerThickness + 2 * THIS.crossSize);
  1443. 			var ofs = -Math.floor(crossOuterSize / 2);
  1444. 			jsc.picker.cross.style.left = (x + ofs) + 'px';
  1445. 			jsc.picker.cross.style.top = (y + ofs) + 'px';
  1446. 			// redraw the slider
  1447. 			switch (jsc.getSliderComponent(THIS)) {
  1448. 			case 's':
  1449. 				var rgb1 = HSV_RGB(THIS.hsv[0], 100, THIS.hsv[2]);
  1450. 				var rgb2 = HSV_RGB(THIS.hsv[0], 0, THIS.hsv[2]);
  1451. 				var color1 = 'rgb(' +
  1452. 					Math.round(rgb1[0]) + ',' +
  1453. 					Math.round(rgb1[1]) + ',' +
  1454. 					Math.round(rgb1[2]) + ')';
  1455. 				var color2 = 'rgb(' +
  1456. 					Math.round(rgb2[0]) + ',' +
  1457. 					Math.round(rgb2[1]) + ',' +
  1458. 					Math.round(rgb2[2]) + ')';
  1459. 				jsc.picker.sldGrad.draw(THIS.sliderSize, THIS.height, color1, color2);
  1460. 				break;
  1461. 			case 'v':
  1462. 				var rgb = HSV_RGB(THIS.hsv[0], THIS.hsv[1], 100);
  1463. 				var color1 = 'rgb(' +
  1464. 					Math.round(rgb[0]) + ',' +
  1465. 					Math.round(rgb[1]) + ',' +
  1466. 					Math.round(rgb[2]) + ')';
  1467. 				var color2 = '#000';
  1468. 				jsc.picker.sldGrad.draw(THIS.sliderSize, THIS.height, color1, color2);
  1469. 				break;
  1470. 			}
  1471. 		}
  1472.  
  1473. 		function redrawSld () {
  1474. 			var sldComponent = jsc.getSliderComponent(THIS);
  1475. 			if (sldComponent) {
  1476. 				// redraw the slider pointer
  1477. 				switch (sldComponent) {
  1478. 				case 's': var yComponent = 1; break;
  1479. 				case 'v': var yComponent = 2; break;
  1480. 				}
  1481. 				var y = Math.round((1 - THIS.hsv[yComponent] / 100) * (THIS.height - 1));
  1482. 				jsc.picker.sldPtrOB.style.top = (y - (2 * THIS.pointerBorderWidth + THIS.pointerThickness) - Math.floor(sliderPtrSpace / 2)) + 'px';
  1483. 			}
  1484. 		}
  1485.  
  1486. 		function isPickerOwner () {
  1487. 			return jsc.picker && jsc.picker.owner === THIS;
  1488. 		}
  1489.  
  1490. 		function blurValue () {
  1491. 			THIS.importColor();
  1492. 		}
  1493.  
  1494. 		// Find the target element
  1495. 		if (typeof targetElement === 'string') {
  1496. 			var id = targetElement;
  1497. 			var elm = document.getElementById(id);
  1498. 			if (elm) {
  1499. 				this.targetElement = elm;
  1500. 			} else {
  1501. 				jsc.warn('Could not find target element with ID \'' + id + '\'');
  1502. 			}
  1503. 		} else if (targetElement) {
  1504. 			this.targetElement = targetElement;
  1505. 		} else {
  1506. 			jsc.warn('Invalid target element: \'' + targetElement + '\'');
  1507. 		}
  1508. 		if (this.targetElement._jscLinkedInstance) {
  1509. 			jsc.warn('Cannot link jscolor twice to the same element. Skipping.');
  1510. 			return;
  1511. 		}
  1512. 		this.targetElement._jscLinkedInstance = this;
  1513. 		// Find the value element
  1514. 		this.valueElement = jsc.fetchElement(this.valueElement);
  1515. 		// Find the style element
  1516. 		this.styleElement = jsc.fetchElement(this.styleElement);
  1517. 		var THIS = this;
  1518. 		var container =
  1519. 			this.container ?
  1520. 			jsc.fetchElement(this.container) :
  1521. 			document.getElementsByTagName('body')[0];
  1522. 		var sliderPtrSpace = 3; // px
  1523. 		// For BUTTON elements it's important to stop them from sending the form when clicked
  1524. 		// (e.g. in Safari)
  1525. 		if (jsc.isElementType(this.targetElement, 'button')) {
  1526. 			if (this.targetElement.onclick) {
  1527. 				var origCallback = this.targetElement.onclick;
  1528. 				this.targetElement.onclick = function (evt) {
  1529. 					origCallback.call(this, evt);
  1530. 					return false;
  1531. 				};
  1532. 			} else {
  1533. 				this.targetElement.onclick = function () { return false; };
  1534. 			}
  1535. 		}
  1536. 		/*
  1537. 		var elm = this.targetElement;
  1538. 		do {
  1539. 			// If the target element or one of its offsetParents has fixed position,
  1540. 			// then use fixed positioning instead
  1541. 			//
  1542. 			// Note: In Firefox, getComputedStyle returns null in a hidden iframe,
  1543. 			// that's why we need to check if the returned style object is non-empty
  1544. 			var currStyle = jsc.getStyle(elm);
  1545. 			if (currStyle && currStyle.position.toLowerCase() === 'fixed') {
  1546. 				this.fixed = true;
  1547. 			}
  1548. 			if (elm !== this.targetElement) {
  1549. 				// attach onParentScroll so that we can recompute the picker position
  1550. 				// when one of the offsetParents is scrolled
  1551. 				if (!elm._jscEventsAttached) {
  1552. 					jsc.attachEvent(elm, 'scroll', jsc.onParentScroll);
  1553. 					elm._jscEventsAttached = true;
  1554. 				}
  1555. 			}
  1556. 		} while ((elm = elm.offsetParent) && !jsc.isElementType(elm, 'body'));
  1557. 		*/
  1558. 		// valueElement
  1559. 		if (this.valueElement) {
  1560. 			if (jsc.isElementType(this.valueElement, 'input')) {
  1561. 				var updateField = function () {
  1562. 					THIS.fromString(THIS.valueElement.value, jsc.leaveValue);
  1563. 					jsc.dispatchFineChange(THIS);
  1564. 				};
  1565. 				jsc.attachEvent(this.valueElement, 'keyup', updateField);
  1566. 				jsc.attachEvent(this.valueElement, 'input', updateField);
  1567. 				jsc.attachEvent(this.valueElement, 'blur', blurValue);
  1568. 				this.valueElement.setAttribute('autocomplete', 'off');
  1569. 			}
  1570. 		}
  1571. 		// styleElement
  1572. 		if (this.styleElement) {
  1573. 			this.styleElement._jscOrigStyle = {
  1574. 				backgroundImage : this.styleElement.style.backgroundImage,
  1575. 				backgroundColor : this.styleElement.style.backgroundColor,
  1576. 				color : this.styleElement.style.color
  1577. 			};
  1578. 		}
  1579. 		if (this.value) {
  1580. 			// Try to set the color from the .value option and if unsuccessful,
  1581. 			// export the current color
  1582. 			this.fromString(this.value) || this.exportColor();
  1583. 		} else {
  1584. 			this.importColor();
  1585. 		}
  1586. 	}
  1587. };
  1588.  
  1589. //================================
  1590. // Public properties and methods
  1591. //================================
  1592.  
  1593. // By default, search for all elements with class="jscolor" and install a color picker on them.
  1594. //
  1595. // You can change what class name will be looked for by setting the property jscolor.lookupClass
  1596. // anywhere in your HTML document. To completely disable the automatic lookup, set it to null.
  1597. //
  1598. jsc.jscolor.lookupClass = 'jscolor';
  1599.  
  1600. jsc.jscolor.installByClassName = function (className) {
  1601. 	var inputElms = document.getElementsByTagName('input');
  1602. 	var buttonElms = document.getElementsByTagName('button');
  1603. 	jsc.tryInstallOnElements(inputElms, className);
  1604. 	jsc.tryInstallOnElements(buttonElms, className);
  1605. };
  1606.  
  1607. jsc.register();
  1608.  
  1609. return jsc.jscolor;
  1610.  
  1611. })(); }