1/**
2 * jscolor, JavaScript Color Picker
3 *
4 * @version 1.4.5
5 * @license GNU Lesser General Public License, http://www.gnu.org/copyleft/lesser.html
6 * @author  Jan Odvarko, http://odvarko.cz
7 * @created 2008-06-15
8 * @updated 2015-09-19
9 * @link    http://jscolor.com
10 */
11
12
13var jscolor = {
14
15
16	dir : '', // location of jscolor directory (leave empty to autodetect)
17	bindClass : 'color', // class name
18	binding : true, // automatic binding via <input class="...">
19	preloading : true, // use image preloading?
20
21
22	install : function() {
23		jscolor.addEvent(window, 'load', jscolor.init);
24	},
25
26
27	init : function() {
28		if(jscolor.binding) {
29			jscolor.bind();
30		}
31		if(jscolor.preloading) {
32			jscolor.preload();
33		}
34	},
35
36
37	getDir : function() {
38		if(!jscolor.dir) {
39			var detected = jscolor.detectDir();
40			jscolor.dir = detected!==false ? detected : 'jscolor/';
41		}
42		return jscolor.dir;
43	},
44
45
46	detectDir : function() {
47		var base = location.href;
48
49		var e = document.getElementsByTagName('base');
50		for(var i=0; i<e.length; i+=1) {
51			if(e[i].href) { base = e[i].href; }
52		}
53
54		var e = document.getElementsByTagName('script');
55		for(var i=0; i<e.length; i+=1) {
56			if(e[i].src && /(^|\/)jscolor\.js([?#].*)?$/i.test(e[i].src)) {
57				var src = new jscolor.URI(e[i].src);
58				var srcAbs = src.toAbsolute(base);
59				srcAbs.path = srcAbs.path.replace(/[^\/]+$/, ''); // remove filename
60				srcAbs.query = null;
61				srcAbs.fragment = null;
62				return srcAbs.toString();
63			}
64		}
65		return false;
66	},
67
68
69	bind : function() {
70		var matchClass = new RegExp('(^|\\s)('+jscolor.bindClass+')(\\s*(\\{[^}]*\\})|\\s|$)', 'i');
71		var e = document.getElementsByTagName('input');
72		for(var i=0; i<e.length; i+=1) {
73			if(jscolor.isColorAttrSupported && e[i].type.toLowerCase() == 'color') {
74				// skip inputs of type 'color' if the browser supports this feature
75				continue;
76			}
77			var m;
78			if(!e[i].color && e[i].className && (m = e[i].className.match(matchClass))) {
79				var prop = {};
80				if(m[4]) {
81					try {
82						prop = (new Function ('return (' + m[4] + ')'))();
83					} catch(eInvalidProp) {}
84				}
85				e[i].color = new jscolor.color(e[i], prop);
86			}
87		}
88	},
89
90
91	preload : function() {
92		for(var fn in jscolor.imgRequire) {
93			if(jscolor.imgRequire.hasOwnProperty(fn)) {
94				jscolor.loadImage(fn);
95			}
96		}
97	},
98
99
100	images : {
101		pad : [ 181, 101 ],
102		sld : [ 16, 101 ],
103		cross : [ 15, 15 ],
104		arrow : [ 7, 11 ]
105	},
106
107
108	imgRequire : {},
109	imgLoaded : {},
110
111
112	requireImage : function(filename) {
113		jscolor.imgRequire[filename] = true;
114	},
115
116
117	loadImage : function(filename) {
118		if(!jscolor.imgLoaded[filename]) {
119			jscolor.imgLoaded[filename] = new Image();
120			jscolor.imgLoaded[filename].src = jscolor.getDir()+filename;
121		}
122	},
123
124
125	fetchElement : function(mixed) {
126		return typeof mixed === 'string' ? document.getElementById(mixed) : mixed;
127	},
128
129
130	addEvent : function(el, evnt, func) {
131		if(el.addEventListener) {
132			el.addEventListener(evnt, func, false);
133		} else if(el.attachEvent) {
134			el.attachEvent('on'+evnt, func);
135		}
136	},
137
138
139	fireEvent : function(el, evnt) {
140		if(!el) {
141			return;
142		}
143		if(document.createEvent) {
144			var ev = document.createEvent('HTMLEvents');
145			ev.initEvent(evnt, true, true);
146			el.dispatchEvent(ev);
147		} else if(document.createEventObject) {
148			var ev = document.createEventObject();
149			el.fireEvent('on'+evnt, ev);
150		} else if(el['on'+evnt]) { // alternatively use the traditional event model (IE5)
151			el['on'+evnt]();
152		}
153	},
154
155
156	getElementPos : function(e) {
157		var e1=e, e2=e;
158		var x=0, y=0;
159		if(e1.offsetParent) {
160			do {
161				x += e1.offsetLeft;
162				y += e1.offsetTop;
163			} while(e1 = e1.offsetParent);
164		}
165		while((e2 = e2.parentNode) && e2.nodeName.toUpperCase() !== 'BODY') {
166			x -= e2.scrollLeft;
167			y -= e2.scrollTop;
168		}
169		return [x, y];
170	},
171
172
173	getElementSize : function(e) {
174		return [e.offsetWidth, e.offsetHeight];
175	},
176
177
178	getRelMousePos : function(e) {
179		var x = 0, y = 0;
180		if (!e) { e = window.event; }
181		if (typeof e.offsetX === 'number') {
182			x = e.offsetX;
183			y = e.offsetY;
184		} else if (typeof e.layerX === 'number') {
185			x = e.layerX;
186			y = e.layerY;
187		}
188		return { x: x, y: y };
189	},
190
191
192	getViewPos : function() {
193		if(typeof window.pageYOffset === 'number') {
194			return [window.pageXOffset, window.pageYOffset];
195		} else if(document.body && (document.body.scrollLeft || document.body.scrollTop)) {
196			return [document.body.scrollLeft, document.body.scrollTop];
197		} else if(document.documentElement && (document.documentElement.scrollLeft || document.documentElement.scrollTop)) {
198			return [document.documentElement.scrollLeft, document.documentElement.scrollTop];
199		} else {
200			return [0, 0];
201		}
202	},
203
204
205	getViewSize : function() {
206		if(typeof window.innerWidth === 'number') {
207			return [window.innerWidth, window.innerHeight];
208		} else if(document.body && (document.body.clientWidth || document.body.clientHeight)) {
209			return [document.body.clientWidth, document.body.clientHeight];
210		} else if(document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
211			return [document.documentElement.clientWidth, document.documentElement.clientHeight];
212		} else {
213			return [0, 0];
214		}
215	},
216
217
218	URI : function(uri) { // See RFC3986
219
220		this.scheme = null;
221		this.authority = null;
222		this.path = '';
223		this.query = null;
224		this.fragment = null;
225
226		this.parse = function(uri) {
227			var m = uri.match(/^(([A-Za-z][0-9A-Za-z+.-]*)(:))?((\/\/)([^\/?#]*))?([^?#]*)((\?)([^#]*))?((#)(.*))?/);
228			this.scheme = m[3] ? m[2] : null;
229			this.authority = m[5] ? m[6] : null;
230			this.path = m[7];
231			this.query = m[9] ? m[10] : null;
232			this.fragment = m[12] ? m[13] : null;
233			return this;
234		};
235
236		this.toString = function() {
237			var result = '';
238			if(this.scheme !== null) { result = result + this.scheme + ':'; }
239			if(this.authority !== null) { result = result + '//' + this.authority; }
240			if(this.path !== null) { result = result + this.path; }
241			if(this.query !== null) { result = result + '?' + this.query; }
242			if(this.fragment !== null) { result = result + '#' + this.fragment; }
243			return result;
244		};
245
246		this.toAbsolute = function(base) {
247			var base = new jscolor.URI(base);
248			var r = this;
249			var t = new jscolor.URI;
250
251			if(base.scheme === null) { return false; }
252
253			if(r.scheme !== null && r.scheme.toLowerCase() === base.scheme.toLowerCase()) {
254				r.scheme = null;
255			}
256
257			if(r.scheme !== null) {
258				t.scheme = r.scheme;
259				t.authority = r.authority;
260				t.path = removeDotSegments(r.path);
261				t.query = r.query;
262			} else {
263				if(r.authority !== null) {
264					t.authority = r.authority;
265					t.path = removeDotSegments(r.path);
266					t.query = r.query;
267				} else {
268					if(r.path === '') {
269						t.path = base.path;
270						if(r.query !== null) {
271							t.query = r.query;
272						} else {
273							t.query = base.query;
274						}
275					} else {
276						if(r.path.substr(0,1) === '/') {
277							t.path = removeDotSegments(r.path);
278						} else {
279							if(base.authority !== null && base.path === '') {
280								t.path = '/'+r.path;
281							} else {
282								t.path = base.path.replace(/[^\/]+$/,'')+r.path;
283							}
284							t.path = removeDotSegments(t.path);
285						}
286						t.query = r.query;
287					}
288					t.authority = base.authority;
289				}
290				t.scheme = base.scheme;
291			}
292			t.fragment = r.fragment;
293
294			return t;
295		};
296
297		function removeDotSegments(path) {
298			var out = '';
299			while(path) {
300				if(path.substr(0,3)==='../' || path.substr(0,2)==='./') {
301					path = path.replace(/^\.+/,'').substr(1);
302				} else if(path.substr(0,3)==='/./' || path==='/.') {
303					path = '/'+path.substr(3);
304				} else if(path.substr(0,4)==='/../' || path==='/..') {
305					path = '/'+path.substr(4);
306					out = out.replace(/\/?[^\/]*$/, '');
307				} else if(path==='.' || path==='..') {
308					path = '';
309				} else {
310					var rm = path.match(/^\/?[^\/]*/)[0];
311					path = path.substr(rm.length);
312					out = out + rm;
313				}
314			}
315			return out;
316		}
317
318		if(uri) {
319			this.parse(uri);
320		}
321
322	},
323
324
325	//
326	// Usage example:
327	// var myColor = new jscolor.color(myInputElement)
328	//
329
330	color : function(target, prop) {
331
332
333		this.required = true; // refuse empty values?
334		this.adjust = true; // adjust value to uniform notation?
335		this.hash = false; // prefix color with # symbol?
336		this.caps = true; // uppercase?
337		this.slider = true; // show the value/saturation slider?
338		this.valueElement = target; // value holder
339		this.styleElement = target; // where to reflect current color
340		this.onImmediateChange = null; // onchange callback (can be either string or function)
341		this.hsv = [0, 0, 1]; // read-only  0-6, 0-1, 0-1
342		this.rgb = [1, 1, 1]; // read-only  0-1, 0-1, 0-1
343		this.minH = 0; // read-only  0-6
344		this.maxH = 6; // read-only  0-6
345		this.minS = 0; // read-only  0-1
346		this.maxS = 1; // read-only  0-1
347		this.minV = 0; // read-only  0-1
348		this.maxV = 1; // read-only  0-1
349
350		this.pickerOnfocus = true; // display picker on focus?
351		this.pickerMode = 'HSV'; // HSV | HVS
352		this.pickerPosition = 'bottom'; // left | right | top | bottom
353		this.pickerSmartPosition = true; // automatically adjust picker position when necessary
354		this.pickerFixedPosition = false; // set to true to stop picker from moving on scroll
355		this.pickerButtonHeight = 20; // px
356		this.pickerClosable = false;
357		this.pickerCloseText = 'Close';
358		this.pickerButtonColor = 'ButtonText'; // px
359		this.pickerFace = 10; // px
360		this.pickerFaceColor = 'ThreeDFace'; // CSS color
361		this.pickerBorder = 1; // px
362		this.pickerBorderColor = 'ThreeDHighlight ThreeDShadow ThreeDShadow ThreeDHighlight'; // CSS color
363		this.pickerInset = 1; // px
364		this.pickerInsetColor = 'ThreeDShadow ThreeDHighlight ThreeDHighlight ThreeDShadow'; // CSS color
365		this.pickerZIndex = 10000;
366
367
368		for(var p in prop) {
369			if(prop.hasOwnProperty(p)) {
370				this[p] = prop[p];
371			}
372		}
373
374
375		this.hidePicker = function() {
376			if(isPickerOwner()) {
377				removePicker();
378			}
379		};
380
381
382		this.showPicker = function() {
383			if(!isPickerOwner()) {
384				var tp = jscolor.getElementPos(target); // target pos
385				var ts = jscolor.getElementSize(target); // target size
386				var vp = jscolor.getViewPos(); // view pos
387				var vs = jscolor.getViewSize(); // view size
388				var ps = getPickerDims(this); // picker size
389				var a, b, c;
390				switch(this.pickerPosition.toLowerCase()) {
391					case 'left': a=1; b=0; c=-1; break;
392					case 'right':a=1; b=0; c=1; break;
393					case 'top':  a=0; b=1; c=-1; break;
394					default:     a=0; b=1; c=1; break;
395				}
396				var l = (ts[b]+ps[b])/2;
397
398				// picker pos
399				if (!this.pickerSmartPosition) {
400					var pp = [
401						tp[a],
402						tp[b]+ts[b]-l+l*c
403					];
404				} else {
405					var pp = [
406						-vp[a]+tp[a]+ps[a] > vs[a] ?
407							(-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]) :
408							tp[a],
409						-vp[b]+tp[b]+ts[b]+ps[b]-l+l*c > vs[b] ?
410							(-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) :
411							(tp[b]+ts[b]-l+l*c >= 0 ? tp[b]+ts[b]-l+l*c : tp[b]+ts[b]-l-l*c)
412					];
413				}
414				drawPicker(pp[a], pp[b]);
415			}
416		};
417
418
419		this.importColor = function() {
420			if(!valueElement) {
421				this.exportColor();
422			} else {
423				if(!this.adjust) {
424					if(!this.fromString(valueElement.value, leaveValue)) {
425						styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage;
426						styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor;
427						styleElement.style.color = styleElement.jscStyle.color;
428						this.exportColor(leaveValue | leaveStyle);
429					}
430				} else if(!this.required && /^\s*$/.test(valueElement.value)) {
431					valueElement.value = '';
432					styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage;
433					styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor;
434					styleElement.style.color = styleElement.jscStyle.color;
435					this.exportColor(leaveValue | leaveStyle);
436
437				} else if(this.fromString(valueElement.value)) {
438					// OK
439				} else {
440					this.exportColor();
441				}
442			}
443		};
444
445
446		this.exportColor = function(flags) {
447			if(!(flags & leaveValue) && valueElement) {
448				var value = this.toString();
449				if(this.caps) { value = value.toUpperCase(); }
450				if(this.hash) { value = '#'+value; }
451				valueElement.value = value;
452			}
453			if(!(flags & leaveStyle) && styleElement) {
454				styleElement.style.backgroundImage = "none";
455				styleElement.style.backgroundColor =
456					'#'+this.toString();
457				styleElement.style.color =
458					0.213 * this.rgb[0] +
459					0.715 * this.rgb[1] +
460					0.072 * this.rgb[2]
461					< 0.5 ? '#FFF' : '#000';
462			}
463			if(!(flags & leavePad) && isPickerOwner()) {
464				redrawPad();
465			}
466			if(!(flags & leaveSld) && isPickerOwner()) {
467				redrawSld();
468			}
469		};
470
471
472		this.fromHSV = function(h, s, v, flags) { // null = don't change
473			if(h !== null) { h = Math.max(0.0, this.minH, Math.min(6.0, this.maxH, h)); }
474			if(s !== null) { s = Math.max(0.0, this.minS, Math.min(1.0, this.maxS, s)); }
475			if(v !== null) { v = Math.max(0.0, this.minV, Math.min(1.0, this.maxV, v)); }
476
477			this.rgb = HSV_RGB(
478				h===null ? this.hsv[0] : (this.hsv[0]=h),
479				s===null ? this.hsv[1] : (this.hsv[1]=s),
480				v===null ? this.hsv[2] : (this.hsv[2]=v)
481			);
482
483			this.exportColor(flags);
484		};
485
486
487		this.fromRGB = function(r, g, b, flags) { // null = don't change
488			if(r !== null) { r = Math.max(0.0, Math.min(1.0, r)); }
489			if(g !== null) { g = Math.max(0.0, Math.min(1.0, g)); }
490			if(b !== null) { b = Math.max(0.0, Math.min(1.0, b)); }
491
492			var hsv = RGB_HSV(
493				r===null ? this.rgb[0] : r,
494				g===null ? this.rgb[1] : g,
495				b===null ? this.rgb[2] : b
496			);
497			if(hsv[0] !== null) {
498				this.hsv[0] = Math.max(0.0, this.minH, Math.min(6.0, this.maxH, hsv[0]));
499			}
500			if(hsv[2] !== 0) {
501				this.hsv[1] = hsv[1]===null ? null : Math.max(0.0, this.minS, Math.min(1.0, this.maxS, hsv[1]));
502			}
503			this.hsv[2] = hsv[2]===null ? null : Math.max(0.0, this.minV, Math.min(1.0, this.maxV, hsv[2]));
504
505			// update RGB according to final HSV, as some values might be trimmed
506			var rgb = HSV_RGB(this.hsv[0], this.hsv[1], this.hsv[2]);
507			this.rgb[0] = rgb[0];
508			this.rgb[1] = rgb[1];
509			this.rgb[2] = rgb[2];
510
511			this.exportColor(flags);
512		};
513
514
515		this.fromString = function(hex, flags) {
516			var m = hex.match(/^\W*([0-9A-F]{3}([0-9A-F]{3})?)\W*$/i);
517			if(!m) {
518				return false;
519			} else {
520				if(m[1].length === 6) { // 6-char notation
521					this.fromRGB(
522						parseInt(m[1].substr(0,2),16) / 255,
523						parseInt(m[1].substr(2,2),16) / 255,
524						parseInt(m[1].substr(4,2),16) / 255,
525						flags
526					);
527				} else { // 3-char notation
528					this.fromRGB(
529						parseInt(m[1].charAt(0)+m[1].charAt(0),16) / 255,
530						parseInt(m[1].charAt(1)+m[1].charAt(1),16) / 255,
531						parseInt(m[1].charAt(2)+m[1].charAt(2),16) / 255,
532						flags
533					);
534				}
535				return true;
536			}
537		};
538
539
540		this.toString = function() {
541			return (
542				(0x100 | Math.round(255*this.rgb[0])).toString(16).substr(1) +
543				(0x100 | Math.round(255*this.rgb[1])).toString(16).substr(1) +
544				(0x100 | Math.round(255*this.rgb[2])).toString(16).substr(1)
545			);
546		};
547
548
549		function RGB_HSV(r, g, b) {
550			var n = Math.min(Math.min(r,g),b);
551			var v = Math.max(Math.max(r,g),b);
552			var m = v - n;
553			if(m === 0) { return [ null, 0, v ]; }
554			var h = r===n ? 3+(b-g)/m : (g===n ? 5+(r-b)/m : 1+(g-r)/m);
555			return [ h===6?0:h, m/v, v ];
556		}
557
558
559		function HSV_RGB(h, s, v) {
560			if(h === null) { return [ v, v, v ]; }
561			var i = Math.floor(h);
562			var f = i%2 ? h-i : 1-(h-i);
563			var m = v * (1 - s);
564			var n = v * (1 - s*f);
565			switch(i) {
566				case 6:
567				case 0: return [v,n,m];
568				case 1: return [n,v,m];
569				case 2: return [m,v,n];
570				case 3: return [m,n,v];
571				case 4: return [n,m,v];
572				case 5: return [v,m,n];
573			}
574		}
575
576
577		function removePicker() {
578			delete jscolor.picker.owner;
579			document.getElementsByTagName('body')[0].removeChild(jscolor.picker.boxB);
580		}
581
582
583		function drawPicker(x, y) {
584			if(!jscolor.picker) {
585				jscolor.picker = {
586					box : document.createElement('div'),
587					boxB : document.createElement('div'),
588					pad : document.createElement('div'),
589					padB : document.createElement('div'),
590					padM : document.createElement('div'),
591					sld : document.createElement('div'),
592					sldB : document.createElement('div'),
593					sldM : document.createElement('div'),
594					btn : document.createElement('div'),
595					btnS : document.createElement('span'),
596					btnT : document.createTextNode(THIS.pickerCloseText)
597				};
598				for(var i=0,segSize=4; i<jscolor.images.sld[1]; i+=segSize) {
599					var seg = document.createElement('div');
600					seg.style.height = segSize+'px';
601					seg.style.fontSize = '1px';
602					seg.style.lineHeight = '0';
603					jscolor.picker.sld.appendChild(seg);
604				}
605				jscolor.picker.sldB.appendChild(jscolor.picker.sld);
606				jscolor.picker.box.appendChild(jscolor.picker.sldB);
607				jscolor.picker.box.appendChild(jscolor.picker.sldM);
608				jscolor.picker.padB.appendChild(jscolor.picker.pad);
609				jscolor.picker.box.appendChild(jscolor.picker.padB);
610				jscolor.picker.box.appendChild(jscolor.picker.padM);
611				jscolor.picker.btnS.appendChild(jscolor.picker.btnT);
612				jscolor.picker.btn.appendChild(jscolor.picker.btnS);
613				jscolor.picker.box.appendChild(jscolor.picker.btn);
614				jscolor.picker.boxB.appendChild(jscolor.picker.box);
615			}
616
617			var p = jscolor.picker;
618
619			// controls interaction
620			p.box.onmouseup =
621			p.box.onmouseout = function() { target.focus(); };
622			p.box.onmousedown = function() { abortBlur=true; };
623			p.box.onmousemove = function(e) {
624				if (holdPad || holdSld) {
625					holdPad && setPad(e);
626					holdSld && setSld(e);
627					if (document.selection) {
628						document.selection.empty();
629					} else if (window.getSelection) {
630						window.getSelection().removeAllRanges();
631					}
632					dispatchImmediateChange();
633				}
634			};
635			if('ontouchstart' in window) { // if touch device
636				var handle_touchmove = function(e) {
637					var event={
638						'offsetX': e.touches[0].pageX-touchOffset.X,
639						'offsetY': e.touches[0].pageY-touchOffset.Y
640					};
641					if (holdPad || holdSld) {
642						holdPad && setPad(event);
643						holdSld && setSld(event);
644						dispatchImmediateChange();
645					}
646					e.stopPropagation(); // prevent move "view" on broswer
647					e.preventDefault(); // prevent Default - Android Fix (else android generated only 1-2 touchmove events)
648				};
649				p.box.removeEventListener('touchmove', handle_touchmove, false)
650				p.box.addEventListener('touchmove', handle_touchmove, false)
651			}
652			p.padM.onmouseup =
653			p.padM.onmouseout = function() { if(holdPad) { holdPad=false; jscolor.fireEvent(valueElement,'change'); } };
654			p.padM.onmousedown = function(e) {
655				// if the slider is at the bottom, move it up
656				switch(modeID) {
657					case 0: if (THIS.hsv[2] === 0) { THIS.fromHSV(null, null, 1.0); }; break;
658					case 1: if (THIS.hsv[1] === 0) { THIS.fromHSV(null, 1.0, null); }; break;
659				}
660				holdSld=false;
661				holdPad=true;
662				setPad(e);
663				dispatchImmediateChange();
664			};
665			if('ontouchstart' in window) {
666				p.padM.addEventListener('touchstart', function(e) {
667					touchOffset={
668						'X': e.target.offsetParent.offsetLeft,
669						'Y': e.target.offsetParent.offsetTop
670					};
671					this.onmousedown({
672						'offsetX':e.touches[0].pageX-touchOffset.X,
673						'offsetY':e.touches[0].pageY-touchOffset.Y
674					});
675				});
676			}
677			p.sldM.onmouseup =
678			p.sldM.onmouseout = function() { if(holdSld) { holdSld=false; jscolor.fireEvent(valueElement,'change'); } };
679			p.sldM.onmousedown = function(e) {
680				holdPad=false;
681				holdSld=true;
682				setSld(e);
683				dispatchImmediateChange();
684			};
685			if('ontouchstart' in window) {
686				p.sldM.addEventListener('touchstart', function(e) {
687					touchOffset={
688						'X': e.target.offsetParent.offsetLeft,
689						'Y': e.target.offsetParent.offsetTop
690					};
691					this.onmousedown({
692						'offsetX':e.touches[0].pageX-touchOffset.X,
693						'offsetY':e.touches[0].pageY-touchOffset.Y
694					});
695				});
696			}
697
698			// picker
699			var dims = getPickerDims(THIS);
700			p.box.style.width = dims[0] + 'px';
701			p.box.style.height = dims[1] + 'px';
702
703			// picker border
704			p.boxB.style.position = THIS.pickerFixedPosition ? 'fixed' : 'absolute';
705			p.boxB.style.clear = 'both';
706			p.boxB.style.left = x+'px';
707			p.boxB.style.top = y+'px';
708			p.boxB.style.zIndex = THIS.pickerZIndex;
709			p.boxB.style.border = THIS.pickerBorder+'px solid';
710			p.boxB.style.borderColor = THIS.pickerBorderColor;
711			p.boxB.style.background = THIS.pickerFaceColor;
712
713			// pad image
714			p.pad.style.width = jscolor.images.pad[0]+'px';
715			p.pad.style.height = jscolor.images.pad[1]+'px';
716
717			// pad border
718			p.padB.style.position = 'absolute';
719			p.padB.style.left = THIS.pickerFace+'px';
720			p.padB.style.top = THIS.pickerFace+'px';
721			p.padB.style.border = THIS.pickerInset+'px solid';
722			p.padB.style.borderColor = THIS.pickerInsetColor;
723
724			// pad mouse area
725			p.padM.style.position = 'absolute';
726			p.padM.style.left = '0';
727			p.padM.style.top = '0';
728			p.padM.style.width = THIS.pickerFace + 2*THIS.pickerInset + jscolor.images.pad[0] + jscolor.images.arrow[0] + 'px';
729			p.padM.style.height = p.box.style.height;
730			p.padM.style.cursor = 'crosshair';
731
732			// slider image
733			p.sld.style.overflow = 'hidden';
734			p.sld.style.width = jscolor.images.sld[0]+'px';
735			p.sld.style.height = jscolor.images.sld[1]+'px';
736
737			// slider border
738			p.sldB.style.display = THIS.slider ? 'block' : 'none';
739			p.sldB.style.position = 'absolute';
740			p.sldB.style.right = THIS.pickerFace+'px';
741			p.sldB.style.top = THIS.pickerFace+'px';
742			p.sldB.style.border = THIS.pickerInset+'px solid';
743			p.sldB.style.borderColor = THIS.pickerInsetColor;
744
745			// slider mouse area
746			p.sldM.style.display = THIS.slider ? 'block' : 'none';
747			p.sldM.style.position = 'absolute';
748			p.sldM.style.right = '0';
749			p.sldM.style.top = '0';
750			p.sldM.style.width = jscolor.images.sld[0] + jscolor.images.arrow[0] + THIS.pickerFace + 2*THIS.pickerInset + 'px';
751			p.sldM.style.height = p.box.style.height;
752			try {
753				p.sldM.style.cursor = 'pointer';
754			} catch(eOldIE) {
755				p.sldM.style.cursor = 'hand';
756			}
757
758			// "close" button
759			function setBtnBorder() {
760				var insetColors = THIS.pickerInsetColor.split(/\s+/);
761				var pickerOutsetColor = insetColors.length < 2 ? insetColors[0] : insetColors[1] + ' ' + insetColors[0] + ' ' + insetColors[0] + ' ' + insetColors[1];
762				p.btn.style.borderColor = pickerOutsetColor;
763			}
764			p.btn.style.display = THIS.pickerClosable ? 'block' : 'none';
765			p.btn.style.position = 'absolute';
766			p.btn.style.left = THIS.pickerFace + 'px';
767			p.btn.style.bottom = THIS.pickerFace + 'px';
768			p.btn.style.padding = '0 15px';
769			p.btn.style.height = '18px';
770			p.btn.style.border = THIS.pickerInset + 'px solid';
771			setBtnBorder();
772			p.btn.style.color = THIS.pickerButtonColor;
773			p.btn.style.font = '12px sans-serif';
774			p.btn.style.textAlign = 'center';
775			try {
776				p.btn.style.cursor = 'pointer';
777			} catch(eOldIE) {
778				p.btn.style.cursor = 'hand';
779			}
780			p.btn.onmousedown = function () {
781				THIS.hidePicker();
782			};
783			p.btnS.style.lineHeight = p.btn.style.height;
784
785			// load images in optimal order
786			switch(modeID) {
787				case 0: var padImg = 'hs.png'; break;
788				case 1: var padImg = 'hv.png'; break;
789			}
790			p.padM.style.backgroundImage = "url('"+jscolor.getDir()+"cross.gif')";
791			p.padM.style.backgroundRepeat = "no-repeat";
792			p.sldM.style.backgroundImage = "url('"+jscolor.getDir()+"arrow.gif')";
793			p.sldM.style.backgroundRepeat = "no-repeat";
794			p.pad.style.backgroundImage = "url('"+jscolor.getDir()+padImg+"')";
795			p.pad.style.backgroundRepeat = "no-repeat";
796			p.pad.style.backgroundPosition = "0 0";
797
798			// place pointers
799			redrawPad();
800			redrawSld();
801
802			jscolor.picker.owner = THIS;
803			document.getElementsByTagName('body')[0].appendChild(p.boxB);
804		}
805
806
807		function getPickerDims(o) {
808			var dims = [
809				2*o.pickerInset + 2*o.pickerFace + jscolor.images.pad[0] +
810					(o.slider ? 2*o.pickerInset + 2*jscolor.images.arrow[0] + jscolor.images.sld[0] : 0),
811				o.pickerClosable ?
812					4*o.pickerInset + 3*o.pickerFace + jscolor.images.pad[1] + o.pickerButtonHeight :
813					2*o.pickerInset + 2*o.pickerFace + jscolor.images.pad[1]
814			];
815			return dims;
816		}
817
818
819		function redrawPad() {
820			// redraw the pad pointer
821			switch(modeID) {
822				case 0: var yComponent = 1; break;
823				case 1: var yComponent = 2; break;
824			}
825			var x = Math.round((THIS.hsv[0]/6) * (jscolor.images.pad[0]-1));
826			var y = Math.round((1-THIS.hsv[yComponent]) * (jscolor.images.pad[1]-1));
827			jscolor.picker.padM.style.backgroundPosition =
828				(THIS.pickerFace+THIS.pickerInset+x - Math.floor(jscolor.images.cross[0]/2)) + 'px ' +
829				(THIS.pickerFace+THIS.pickerInset+y - Math.floor(jscolor.images.cross[1]/2)) + 'px';
830
831			// redraw the slider image
832			var seg = jscolor.picker.sld.childNodes;
833
834			switch(modeID) {
835				case 0:
836					var rgb = HSV_RGB(THIS.hsv[0], THIS.hsv[1], 1);
837					for(var i=0; i<seg.length; i+=1) {
838						seg[i].style.backgroundColor = 'rgb('+
839							(rgb[0]*(1-i/seg.length)*100)+'%,'+
840							(rgb[1]*(1-i/seg.length)*100)+'%,'+
841							(rgb[2]*(1-i/seg.length)*100)+'%)';
842					}
843					break;
844				case 1:
845					var rgb, s, c = [ THIS.hsv[2], 0, 0 ];
846					var i = Math.floor(THIS.hsv[0]);
847					var f = i%2 ? THIS.hsv[0]-i : 1-(THIS.hsv[0]-i);
848					switch(i) {
849						case 6:
850						case 0: rgb=[0,1,2]; break;
851						case 1: rgb=[1,0,2]; break;
852						case 2: rgb=[2,0,1]; break;
853						case 3: rgb=[2,1,0]; break;
854						case 4: rgb=[1,2,0]; break;
855						case 5: rgb=[0,2,1]; break;
856					}
857					for(var i=0; i<seg.length; i+=1) {
858						s = 1 - 1/(seg.length-1)*i;
859						c[1] = c[0] * (1 - s*f);
860						c[2] = c[0] * (1 - s);
861						seg[i].style.backgroundColor = 'rgb('+
862							(c[rgb[0]]*100)+'%,'+
863							(c[rgb[1]]*100)+'%,'+
864							(c[rgb[2]]*100)+'%)';
865					}
866					break;
867			}
868		}
869
870
871		function redrawSld() {
872			// redraw the slider pointer
873			switch(modeID) {
874				case 0: var yComponent = 2; break;
875				case 1: var yComponent = 1; break;
876			}
877			var y = Math.round((1-THIS.hsv[yComponent]) * (jscolor.images.sld[1]-1));
878			jscolor.picker.sldM.style.backgroundPosition =
879				'0 ' + (THIS.pickerFace+THIS.pickerInset+y - Math.floor(jscolor.images.arrow[1]/2)) + 'px';
880		}
881
882
883		function isPickerOwner() {
884			return jscolor.picker && jscolor.picker.owner === THIS;
885		}
886
887
888		function blurTarget() {
889			if(valueElement === target) {
890				THIS.importColor();
891			}
892			if(THIS.pickerOnfocus) {
893				THIS.hidePicker();
894			}
895		}
896
897
898		function blurValue() {
899			if(valueElement !== target) {
900				THIS.importColor();
901			}
902		}
903
904
905		function setPad(e) {
906			var mpos = jscolor.getRelMousePos(e);
907			var x = mpos.x - THIS.pickerFace - THIS.pickerInset;
908			var y = mpos.y - THIS.pickerFace - THIS.pickerInset;
909			switch(modeID) {
910				case 0: THIS.fromHSV(x*(6/(jscolor.images.pad[0]-1)), 1 - y/(jscolor.images.pad[1]-1), null, leaveSld); break;
911				case 1: THIS.fromHSV(x*(6/(jscolor.images.pad[0]-1)), null, 1 - y/(jscolor.images.pad[1]-1), leaveSld); break;
912			}
913		}
914
915
916		function setSld(e) {
917			var mpos = jscolor.getRelMousePos(e);
918			var y = mpos.y - THIS.pickerFace - THIS.pickerInset;
919			switch(modeID) {
920				case 0: THIS.fromHSV(null, null, 1 - y/(jscolor.images.sld[1]-1), leavePad); break;
921				case 1: THIS.fromHSV(null, 1 - y/(jscolor.images.sld[1]-1), null, leavePad); break;
922			}
923		}
924
925
926		function dispatchImmediateChange() {
927			if (THIS.onImmediateChange) {
928				var callback;
929				if (typeof THIS.onImmediateChange === 'string') {
930					callback = new Function (THIS.onImmediateChange);
931				} else {
932					callback = THIS.onImmediateChange;
933				}
934				callback.call(THIS);
935			}
936		}
937
938
939		var THIS = this;
940		var modeID = this.pickerMode.toLowerCase()==='hvs' ? 1 : 0;
941		var abortBlur = false;
942		var
943			valueElement = jscolor.fetchElement(this.valueElement),
944			styleElement = jscolor.fetchElement(this.styleElement);
945		var
946			holdPad = false,
947			holdSld = false,
948			touchOffset = {};
949		var
950			leaveValue = 1<<0,
951			leaveStyle = 1<<1,
952			leavePad = 1<<2,
953			leaveSld = 1<<3;
954
955		jscolor.isColorAttrSupported = false;
956		var el = document.createElement('input');
957		if(el.setAttribute) {
958			el.setAttribute('type', 'color');
959			if(el.type.toLowerCase() == 'color') {
960				jscolor.isColorAttrSupported = true;
961			}
962		}
963
964		// target
965		jscolor.addEvent(target, 'focus', function() {
966			if(THIS.pickerOnfocus) { THIS.showPicker(); }
967		});
968		jscolor.addEvent(target, 'blur', function() {
969			if(!abortBlur) {
970				window.setTimeout(function(){ abortBlur || blurTarget(); abortBlur=false; }, 0);
971			} else {
972				abortBlur = false;
973			}
974		});
975
976		// valueElement
977		if(valueElement) {
978			var updateField = function() {
979				THIS.fromString(valueElement.value, leaveValue);
980				dispatchImmediateChange();
981			};
982			jscolor.addEvent(valueElement, 'keyup', updateField);
983			jscolor.addEvent(valueElement, 'input', updateField);
984			jscolor.addEvent(valueElement, 'blur', blurValue);
985			valueElement.setAttribute('autocomplete', 'off');
986		}
987
988		// styleElement
989		if(styleElement) {
990			styleElement.jscStyle = {
991				backgroundImage : styleElement.style.backgroundImage,
992				backgroundColor : styleElement.style.backgroundColor,
993				color : styleElement.style.color
994			};
995		}
996
997		// require images
998		switch(modeID) {
999			case 0: jscolor.requireImage('hs.png'); break;
1000			case 1: jscolor.requireImage('hv.png'); break;
1001		}
1002		jscolor.requireImage('cross.gif');
1003		jscolor.requireImage('arrow.gif');
1004
1005		this.importColor();
1006	}
1007
1008};
1009
1010
1011jscolor.install();
1012