1/**
2 * jscolor, JavaScript Color Picker (name changed to mxJSColor to avoid conflicts)
3 *
4 * @version 1.3.13
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 2012-01-19
9 * @link    http://jscolor.com
10 */
11
12
13var mxJSColor = {
14
15	bindClass : 'color', // class name
16	binding : true, // automatic binding via <input class="...">
17	preloading : true, // use image preloading?
18
19
20	install : function() {
21		//mxJSColor.addEvent(window, 'load', mxJSColor.init);
22	},
23
24
25	init : function() {
26		if(mxJSColor.preloading) {
27			mxJSColor.preload();
28		}
29	},
30
31
32	getDir : function() {
33		return IMAGE_PATH + '/';
34	},
35
36
37	detectDir : function() {
38		var base = location.href;
39
40		var e = document.getElementsByTagName('base');
41		for(var i=0; i<e.length; i+=1) {
42			if(e[i].href) { base = e[i].href; }
43		}
44
45		var e = document.getElementsByTagName('script');
46		for(var i=0; i<e.length; i+=1) {
47			if(e[i].src && /(^|\/)jscolor\.js([?#].*)?$/i.test(e[i].src)) {
48				var src = new mxJSColor.URI(e[i].src);
49				var srcAbs = src.toAbsolute(base);
50				srcAbs.path = srcAbs.path.replace(/[^\/]+$/, ''); // remove filename
51				srcAbs.query = null;
52				srcAbs.fragment = null;
53				return srcAbs.toString();
54			}
55		}
56		return false;
57	},
58
59	preload : function() {
60		for(var fn in mxJSColor.imgRequire) {
61			if(mxJSColor.imgRequire.hasOwnProperty(fn)) {
62				mxJSColor.loadImage(fn);
63			}
64		}
65	},
66
67
68	images : {
69		pad : [ 181, 101 ],
70		sld : [ 16, 101 ],
71		cross : [ 15, 15 ],
72		arrow : [ 7, 11 ]
73	},
74
75
76	imgRequire : {},
77	imgLoaded : {},
78
79
80	requireImage : function(filename) {
81		mxJSColor.imgRequire[filename] = true;
82	},
83
84
85	loadImage : function(filename) {
86		if(!mxJSColor.imgLoaded[filename]) {
87			mxJSColor.imgLoaded[filename] = new Image();
88			mxJSColor.imgLoaded[filename].src = mxJSColor.getDir()+filename;
89		}
90	},
91
92
93	fetchElement : function(mixed) {
94		return typeof mixed === 'string' ? document.getElementById(mixed) : mixed;
95	},
96
97
98	addEvent : function(el, evnt, func) {
99		if(el.addEventListener) {
100			el.addEventListener(evnt, func, false);
101		} else if(el.attachEvent) {
102			el.attachEvent('on'+evnt, func);
103		}
104	},
105
106
107	fireEvent : function(el, evnt) {
108		if(!el) {
109			return;
110		}
111		if(document.createEvent) {
112			var ev = document.createEvent('HTMLEvents');
113			ev.initEvent(evnt, true, true);
114			el.dispatchEvent(ev);
115		} else if(document.createEventObject) {
116			var ev = document.createEventObject();
117			el.fireEvent('on'+evnt, ev);
118		} else if(el['on'+evnt]) { // alternatively use the traditional event model (IE5)
119			el['on'+evnt]();
120		}
121	},
122
123
124	getElementPos : function(e) {
125		var e1=e, e2=e;
126		var x=0, y=0;
127		if(e1.offsetParent) {
128			do {
129				x += e1.offsetLeft;
130				y += e1.offsetTop;
131			} while(e1 = e1.offsetParent);
132		}
133		while((e2 = e2.parentNode) && e2.nodeName.toUpperCase() !== 'BODY') {
134			x -= e2.scrollLeft;
135			y -= e2.scrollTop;
136		}
137		return [x, y];
138	},
139
140
141	getElementSize : function(e) {
142		return [e.offsetWidth, e.offsetHeight];
143	},
144
145
146	getRelMousePos : function(e) {
147		var x = 0, y = 0;
148		if (!e) { e = window.event; }
149		if (typeof e.offsetX === 'number') {
150			x = e.offsetX;
151			y = e.offsetY;
152		} else if (typeof e.layerX === 'number') {
153			x = e.layerX;
154			y = e.layerY;
155		}
156		return { x: x, y: y };
157	},
158
159
160	getViewPos : function() {
161		if(typeof window.pageYOffset === 'number') {
162			return [window.pageXOffset, window.pageYOffset];
163		} else if(document.body && (document.body.scrollLeft || document.body.scrollTop)) {
164			return [document.body.scrollLeft, document.body.scrollTop];
165		} else if(document.documentElement && (document.documentElement.scrollLeft || document.documentElement.scrollTop)) {
166			return [document.documentElement.scrollLeft, document.documentElement.scrollTop];
167		} else {
168			return [0, 0];
169		}
170	},
171
172
173	getViewSize : function() {
174		if(typeof window.innerWidth === 'number') {
175			return [window.innerWidth, window.innerHeight];
176		} else if(document.body && (document.body.clientWidth || document.body.clientHeight)) {
177			return [document.body.clientWidth, document.body.clientHeight];
178		} else if(document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
179			return [document.documentElement.clientWidth, document.documentElement.clientHeight];
180		} else {
181			return [0, 0];
182		}
183	},
184
185
186	URI : function(uri) { // See RFC3986
187
188		this.scheme = null;
189		this.authority = null;
190		this.path = '';
191		this.query = null;
192		this.fragment = null;
193
194		this.parse = function(uri) {
195			var m = uri.match(/^(([A-Za-z][0-9A-Za-z+.-]*)(:))?((\/\/)([^\/?#]*))?([^?#]*)((\?)([^#]*))?((#)(.*))?/);
196			this.scheme = m[3] ? m[2] : null;
197			this.authority = m[5] ? m[6] : null;
198			this.path = m[7];
199			this.query = m[9] ? m[10] : null;
200			this.fragment = m[12] ? m[13] : null;
201			return this;
202		};
203
204		this.toString = function() {
205			var result = '';
206			if(this.scheme !== null) { result = result + this.scheme + ':'; }
207			if(this.authority !== null) { result = result + '//' + this.authority; }
208			if(this.path !== null) { result = result + this.path; }
209			if(this.query !== null) { result = result + '?' + this.query; }
210			if(this.fragment !== null) { result = result + '#' + this.fragment; }
211			return result;
212		};
213
214		this.toAbsolute = function(base) {
215			var base = new mxJSColor.URI(base);
216			var r = this;
217			var t = new mxJSColor.URI;
218
219			if(base.scheme === null) { return false; }
220
221			if(r.scheme !== null && r.scheme.toLowerCase() === base.scheme.toLowerCase()) {
222				r.scheme = null;
223			}
224
225			if(r.scheme !== null) {
226				t.scheme = r.scheme;
227				t.authority = r.authority;
228				t.path = removeDotSegments(r.path);
229				t.query = r.query;
230			} else {
231				if(r.authority !== null) {
232					t.authority = r.authority;
233					t.path = removeDotSegments(r.path);
234					t.query = r.query;
235				} else {
236					if(r.path === '') { // TODO: == or === ?
237						t.path = base.path;
238						if(r.query !== null) {
239							t.query = r.query;
240						} else {
241							t.query = base.query;
242						}
243					} else {
244						if(r.path.substr(0,1) === '/') {
245							t.path = removeDotSegments(r.path);
246						} else {
247							if(base.authority !== null && base.path === '') { // TODO: == or === ?
248								t.path = '/'+r.path;
249							} else {
250								t.path = base.path.replace(/[^\/]+$/,'')+r.path;
251							}
252							t.path = removeDotSegments(t.path);
253						}
254						t.query = r.query;
255					}
256					t.authority = base.authority;
257				}
258				t.scheme = base.scheme;
259			}
260			t.fragment = r.fragment;
261
262			return t;
263		};
264
265		function removeDotSegments(path) {
266			var out = '';
267			while(path) {
268				if(path.substr(0,3)==='../' || path.substr(0,2)==='./') {
269					path = path.replace(/^\.+/,'').substr(1);
270				} else if(path.substr(0,3)==='/./' || path==='/.') {
271					path = '/'+path.substr(3);
272				} else if(path.substr(0,4)==='/../' || path==='/..') {
273					path = '/'+path.substr(4);
274					out = out.replace(/\/?[^\/]*$/, '');
275				} else if(path==='.' || path==='..') {
276					path = '';
277				} else {
278					var rm = path.match(/^\/?[^\/]*/)[0];
279					path = path.substr(rm.length);
280					out = out + rm;
281				}
282			}
283			return out;
284		}
285
286		if(uri) {
287			this.parse(uri);
288		}
289
290	},
291
292
293	/*
294	 * Usage example:
295	 * var myColor = new mxJSColor.color(myInputElement)
296	 */
297
298	color : function(target, prop) {
299
300
301		this.required = true; // refuse empty values?
302		this.adjust = true; // adjust value to uniform notation?
303		this.hash = false; // prefix color with # symbol?
304		this.caps = true; // uppercase?
305		this.slider = true; // show the value/saturation slider?
306		this.valueElement = target; // value holder
307		this.styleElement = target; // where to reflect current color
308		this.onImmediateChange = null; // onchange callback (can be either string or function)
309		this.hsv = [0, 0, 1]; // read-only  0-6, 0-1, 0-1
310		this.rgb = [1, 1, 1]; // read-only  0-1, 0-1, 0-1
311
312		this.pickerOnfocus = true; // display picker on focus?
313		this.pickerMode = 'HSV'; // HSV | HVS
314		this.pickerPosition = 'bottom'; // left | right | top | bottom
315		this.pickerSmartPosition = true; // automatically adjust picker position when necessary
316		this.pickerButtonHeight = 20; // px
317		this.pickerClosable = false;
318		this.pickerCloseText = 'Close';
319		this.pickerButtonColor = 'ButtonText'; // px
320		this.pickerFace = 0; // px
321		this.pickerFaceColor = 'ThreeDFace'; // CSS color
322		this.pickerBorder = 1; // px
323		this.pickerBorderColor = 'ThreeDHighlight ThreeDShadow ThreeDShadow ThreeDHighlight'; // CSS color
324		this.pickerInset = 1; // px
325		this.pickerInsetColor = 'ThreeDShadow ThreeDHighlight ThreeDHighlight ThreeDShadow'; // CSS color
326		this.pickerZIndex = 10000;
327
328
329		for(var p in prop) {
330			if(prop.hasOwnProperty(p)) {
331				this[p] = prop[p];
332			}
333		}
334
335
336		this.hidePicker = function() {
337			if(isPickerOwner()) {
338				removePicker();
339			}
340		};
341
342
343		this.showPicker = function() {
344			if(!isPickerOwner()) {
345				var tp = mxJSColor.getElementPos(target); // target pos
346				var ts = mxJSColor.getElementSize(target); // target size
347				var vp = mxJSColor.getViewPos(); // view pos
348				var vs = mxJSColor.getViewSize(); // view size
349				var ps = getPickerDims(this); // picker size
350				var a, b, c;
351				switch(this.pickerPosition.toLowerCase()) {
352					case 'left': a=1; b=0; c=-1; break;
353					case 'right':a=1; b=0; c=1; break;
354					case 'top':  a=0; b=1; c=-1; break;
355					default:     a=0; b=1; c=1; break;
356				}
357				var l = (ts[b]+ps[b])/2;
358
359				// picker pos
360				if (!this.pickerSmartPosition) {
361					var pp = [
362						tp[a],
363						tp[b]+ts[b]-l+l*c
364					];
365				} else {
366					var pp = [
367						-vp[a]+tp[a]+ps[a] > vs[a] ?
368							(-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]) :
369							tp[a],
370						-vp[b]+tp[b]+ts[b]+ps[b]-l+l*c > vs[b] ?
371							(-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) :
372							(tp[b]+ts[b]-l+l*c >= 0 ? tp[b]+ts[b]-l+l*c : tp[b]+ts[b]-l-l*c)
373					];
374				}
375				drawPicker(0, 0);
376			}
377		};
378
379
380		this.importColor = function() {
381			if(!valueElement) {
382				this.exportColor();
383			} else {
384				if(!this.adjust) {
385					if(!this.fromString(valueElement.value, leaveValue)) {
386						styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage;
387						styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor;
388						styleElement.style.color = styleElement.jscStyle.color;
389						this.exportColor(leaveValue | leaveStyle);
390					}
391				} else if(!this.required && /^\s*$/.test(valueElement.value)) {
392					valueElement.value = '';
393					styleElement.style.backgroundImage = styleElement.jscStyle.backgroundImage;
394					styleElement.style.backgroundColor = styleElement.jscStyle.backgroundColor;
395					styleElement.style.color = styleElement.jscStyle.color;
396					this.exportColor(leaveValue | leaveStyle);
397
398				} else if(this.fromString(valueElement.value)) {
399					// OK
400				} else {
401					this.exportColor();
402				}
403			}
404		};
405
406
407		this.exportColor = function(flags) {
408			if(!(flags & leaveValue) && valueElement) {
409				var value = this.toString();
410				if(this.caps) { value = value.toUpperCase(); }
411				if(this.hash) { value = '#'+value; }
412				valueElement.value = value;
413			}
414			if(!(flags & leaveStyle) && styleElement) {
415				styleElement.style.backgroundImage = "none";
416				styleElement.style.backgroundColor =
417					'#'+this.toString();
418				styleElement.style.color =
419					0.213 * this.rgb[0] +
420					0.715 * this.rgb[1] +
421					0.072 * this.rgb[2]
422					< 0.5 ? '#FFF' : '#000';
423			}
424			if(!(flags & leavePad) && isPickerOwner()) {
425				redrawPad();
426			}
427			if(!(flags & leaveSld) && isPickerOwner()) {
428				redrawSld();
429			}
430		};
431
432
433		this.fromHSV = function(h, s, v, flags) { // null = don't change
434			h<0 && (h=0) || h>6 && (h=6);
435			s<0 && (s=0) || s>1 && (s=1);
436			v<0 && (v=0) || v>1 && (v=1);
437			this.rgb = HSV_RGB(
438				h===null ? this.hsv[0] : (this.hsv[0]=h),
439				s===null ? this.hsv[1] : (this.hsv[1]=s),
440				v===null ? this.hsv[2] : (this.hsv[2]=v)
441			);
442			this.exportColor(flags);
443		};
444
445
446		this.fromRGB = function(r, g, b, flags) { // null = don't change
447			r<0 && (r=0) || r>1 && (r=1);
448			g<0 && (g=0) || g>1 && (g=1);
449			b<0 && (b=0) || b>1 && (b=1);
450			var hsv = RGB_HSV(
451				r===null ? this.rgb[0] : (this.rgb[0]=r),
452				g===null ? this.rgb[1] : (this.rgb[1]=g),
453				b===null ? this.rgb[2] : (this.rgb[2]=b)
454			);
455			if(hsv[0] !== null) {
456				this.hsv[0] = hsv[0];
457			}
458			if(hsv[2] !== 0) {
459				this.hsv[1] = hsv[1];
460			}
461			this.hsv[2] = hsv[2];
462			this.exportColor(flags);
463		};
464
465
466		this.fromString = function(hex, flags) {
467			var m = hex.match(/^\W*([0-9A-F]{3}([0-9A-F]{3})?)\W*$/i);
468			if(!m) {
469				return false;
470			} else {
471				if(m[1].length === 6) { // 6-char notation
472					this.fromRGB(
473						parseInt(m[1].substr(0,2),16) / 255,
474						parseInt(m[1].substr(2,2),16) / 255,
475						parseInt(m[1].substr(4,2),16) / 255,
476						flags
477					);
478				} else { // 3-char notation
479					this.fromRGB(
480						parseInt(m[1].charAt(0)+m[1].charAt(0),16) / 255,
481						parseInt(m[1].charAt(1)+m[1].charAt(1),16) / 255,
482						parseInt(m[1].charAt(2)+m[1].charAt(2),16) / 255,
483						flags
484					);
485				}
486				return true;
487			}
488		};
489
490
491		this.toString = function() {
492			return (
493				(0x100 | Math.round(255*this.rgb[0])).toString(16).substr(1) +
494				(0x100 | Math.round(255*this.rgb[1])).toString(16).substr(1) +
495				(0x100 | Math.round(255*this.rgb[2])).toString(16).substr(1)
496			);
497		};
498
499
500		function RGB_HSV(r, g, b) {
501			var n = Math.min(Math.min(r,g),b);
502			var v = Math.max(Math.max(r,g),b);
503			var m = v - n;
504			if(m === 0) { return [ null, 0, v ]; }
505			var h = r===n ? 3+(b-g)/m : (g===n ? 5+(r-b)/m : 1+(g-r)/m);
506			return [ h===6?0:h, m/v, v ];
507		}
508
509
510		function HSV_RGB(h, s, v) {
511			if(h === null) { return [ v, v, v ]; }
512			var i = Math.floor(h);
513			var f = i%2 ? h-i : 1-(h-i);
514			var m = v * (1 - s);
515			var n = v * (1 - s*f);
516			switch(i) {
517				case 6:
518				case 0: return [v,n,m];
519				case 1: return [n,v,m];
520				case 2: return [m,v,n];
521				case 3: return [m,n,v];
522				case 4: return [n,m,v];
523				case 5: return [v,m,n];
524			}
525		}
526
527
528		function removePicker() {
529			delete mxJSColor.picker.owner;
530			document.getElementsByTagName('body')[0].removeChild(mxJSColor.picker.boxB);
531		}
532
533
534		function drawPicker(x, y) {
535			if(!mxJSColor.picker) {
536				mxJSColor.picker = {
537					box : document.createElement('div'),
538					boxB : document.createElement('div'),
539					pad : document.createElement('div'),
540					padB : document.createElement('div'),
541					padM : document.createElement('div'),
542					sld : document.createElement('div'),
543					sldB : document.createElement('div'),
544					sldM : document.createElement('div'),
545					btn : document.createElement('div'),
546					btnS : document.createElement('span'),
547					btnT : document.createTextNode(THIS.pickerCloseText)
548				};
549				for(var i=0,segSize=4; i<mxJSColor.images.sld[1]; i+=segSize) {
550					var seg = document.createElement('div');
551					seg.style.height = segSize+'px';
552					seg.style.fontSize = '1px';
553					seg.style.lineHeight = '0';
554					mxJSColor.picker.sld.appendChild(seg);
555				}
556				mxJSColor.picker.sldB.appendChild(mxJSColor.picker.sld);
557				mxJSColor.picker.box.appendChild(mxJSColor.picker.sldB);
558				mxJSColor.picker.box.appendChild(mxJSColor.picker.sldM);
559				mxJSColor.picker.padB.appendChild(mxJSColor.picker.pad);
560				mxJSColor.picker.box.appendChild(mxJSColor.picker.padB);
561				mxJSColor.picker.box.appendChild(mxJSColor.picker.padM);
562				mxJSColor.picker.btnS.appendChild(mxJSColor.picker.btnT);
563				mxJSColor.picker.btn.appendChild(mxJSColor.picker.btnS);
564				mxJSColor.picker.box.appendChild(mxJSColor.picker.btn);
565				mxJSColor.picker.boxB.appendChild(mxJSColor.picker.box);
566			}
567
568			var p = mxJSColor.picker;
569
570			// controls interaction
571			p.box.onmouseup =
572			p.box.onmouseout = function() { if (!mxClient.IS_TOUCH) { target.focus(); } };
573			p.box.onmousedown = function() { abortBlur=true; };
574			p.box.onmousemove = function(e) {
575				if (holdPad || holdSld) {
576					holdPad && setPad(e);
577					holdSld && setSld(e);
578					if (document.selection) {
579						document.selection.empty();
580					} else if (window.getSelection) {
581						window.getSelection().removeAllRanges();
582					}
583					dispatchImmediateChange();
584				}
585			};
586			p.padM.onmouseup =
587			p.padM.onmouseout = function() { if(holdPad) { holdPad=false; mxJSColor.fireEvent(valueElement,'change'); } };
588			p.padM.onmousedown = function(e) {
589				// if the slider is at the bottom, move it up
590				switch(modeID) {
591					case 0: if (THIS.hsv[2] === 0) { THIS.fromHSV(null, null, 1.0); }; break;
592					case 1: if (THIS.hsv[1] === 0) { THIS.fromHSV(null, 1.0, null); }; break;
593				}
594				holdPad=true;
595				setPad(e);
596				dispatchImmediateChange();
597			};
598			p.sldM.onmouseup =
599			p.sldM.onmouseout = function() { if(holdSld) { holdSld=false; mxJSColor.fireEvent(valueElement,'change'); } };
600			p.sldM.onmousedown = function(e) {
601				holdSld=true;
602				setSld(e);
603				dispatchImmediateChange();
604			};
605
606			// picker
607			var dims = getPickerDims(THIS);
608			p.box.style.width = dims[0] + 'px';
609			p.box.style.height = dims[1] + 'px';
610
611			// picker border
612			p.boxB.style.position = 'absolute';
613			p.boxB.style.clear = 'both';
614			p.boxB.style.left = x+'px';
615			p.boxB.style.top = y+'px';
616			p.boxB.style.zIndex = THIS.pickerZIndex;
617			p.boxB.style.border = THIS.pickerBorder+'px solid';
618			p.boxB.style.borderColor = THIS.pickerBorderColor;
619			p.boxB.style.background = THIS.pickerFaceColor;
620
621			// pad image
622			p.pad.style.width = mxJSColor.images.pad[0]+'px';
623			p.pad.style.height = mxJSColor.images.pad[1]+'px';
624
625			// pad border
626			p.padB.style.position = 'absolute';
627			p.padB.style.left = THIS.pickerFace+'px';
628			p.padB.style.top = THIS.pickerFace+'px';
629			p.padB.style.border = THIS.pickerInset+'px solid';
630			p.padB.style.borderColor = THIS.pickerInsetColor;
631
632			// pad mouse area
633			p.padM.style.position = 'absolute';
634			p.padM.style.left = '0';
635			p.padM.style.top = '0';
636			p.padM.style.width = THIS.pickerFace + 2*THIS.pickerInset + mxJSColor.images.pad[0] + mxJSColor.images.arrow[0] + 'px';
637			p.padM.style.height = p.box.style.height;
638			p.padM.style.cursor = 'crosshair';
639
640			// slider image
641			p.sld.style.overflow = 'hidden';
642			p.sld.style.width = mxJSColor.images.sld[0]+'px';
643			p.sld.style.height = mxJSColor.images.sld[1]+'px';
644
645			// slider border
646			p.sldB.style.display = THIS.slider ? 'block' : 'none';
647			p.sldB.style.position = 'absolute';
648			p.sldB.style.right = THIS.pickerFace+'px';
649			p.sldB.style.top = THIS.pickerFace+'px';
650			p.sldB.style.border = THIS.pickerInset+'px solid';
651			p.sldB.style.borderColor = THIS.pickerInsetColor;
652
653			// slider mouse area
654			p.sldM.style.display = THIS.slider ? 'block' : 'none';
655			p.sldM.style.position = 'absolute';
656			p.sldM.style.right = '0';
657			p.sldM.style.top = '0';
658			p.sldM.style.width = mxJSColor.images.sld[0] + mxJSColor.images.arrow[0] + THIS.pickerFace + 2*THIS.pickerInset + 'px';
659			p.sldM.style.height = p.box.style.height;
660			try {
661				p.sldM.style.cursor = 'pointer';
662			} catch(eOldIE) {
663				p.sldM.style.cursor = 'hand';
664			}
665
666			// "close" button
667			function setBtnBorder() {
668				var insetColors = THIS.pickerInsetColor.split(/\s+/);
669				var pickerOutsetColor = insetColors.length < 2 ? insetColors[0] : insetColors[1] + ' ' + insetColors[0] + ' ' + insetColors[0] + ' ' + insetColors[1];
670				p.btn.style.borderColor = pickerOutsetColor;
671			}
672			p.btn.style.display = THIS.pickerClosable ? 'block' : 'none';
673			p.btn.style.position = 'absolute';
674			p.btn.style.left = THIS.pickerFace + 'px';
675			p.btn.style.bottom = THIS.pickerFace + 'px';
676			p.btn.style.padding = '0 15px';
677			p.btn.style.height = '18px';
678			p.btn.style.border = THIS.pickerInset + 'px solid';
679			setBtnBorder();
680			p.btn.style.color = THIS.pickerButtonColor;
681			p.btn.style.font = '12px sans-serif';
682			p.btn.style.textAlign = 'center';
683			try {
684				p.btn.style.cursor = 'pointer';
685			} catch(eOldIE) {
686				p.btn.style.cursor = 'hand';
687			}
688			p.btn.onmousedown = function () {
689				THIS.hidePicker();
690			};
691			p.btnS.style.lineHeight = p.btn.style.height;
692
693			// load images in optimal order
694			switch(modeID) {
695				case 0: var padImg = 'hs.png'; break;
696				case 1: var padImg = 'hv.png'; break;
697			}
698			p.padM.style.backgroundImage = "url(data:image/gif;base64,R0lGODlhDwAPAKEBAAAAAP///////////yH5BAEKAAIALAAAAAAPAA8AAAIklB8Qx53b4otSUWcvyiz4/4AeQJbmKY4p1HHapBlwPL/uVRsFADs=)";
699			p.padM.style.backgroundRepeat = "no-repeat";
700			p.sldM.style.backgroundImage = "url(data:image/gif;base64,R0lGODlhBwALAKECAAAAAP///6g8eKg8eCH5BAEKAAIALAAAAAAHAAsAAAITTIQYcLnsgGxvijrxqdQq6DRJAQA7)";
701			p.sldM.style.backgroundRepeat = "no-repeat";
702			p.pad.style.backgroundImage = "url('"+mxJSColor.getDir()+padImg+"')";
703			p.pad.style.backgroundRepeat = "no-repeat";
704			p.pad.style.backgroundPosition = "0 0";
705
706			// place pointers
707			redrawPad();
708			redrawSld();
709
710			mxJSColor.picker.owner = THIS;
711			document.getElementsByTagName('body')[0].appendChild(p.boxB);
712		}
713
714
715		function getPickerDims(o) {
716			var dims = [
717				2*o.pickerInset + 2*o.pickerFace + mxJSColor.images.pad[0] +
718					(o.slider ? 2*o.pickerInset + 2*mxJSColor.images.arrow[0] + mxJSColor.images.sld[0] : 0),
719				o.pickerClosable ?
720					4*o.pickerInset + 3*o.pickerFace + mxJSColor.images.pad[1] + o.pickerButtonHeight :
721					2*o.pickerInset + 2*o.pickerFace + mxJSColor.images.pad[1]
722			];
723			return dims;
724		}
725
726
727		function redrawPad() {
728			// redraw the pad pointer
729			switch(modeID) {
730				case 0: var yComponent = 1; break;
731				case 1: var yComponent = 2; break;
732			}
733			var x = Math.round((THIS.hsv[0]/6) * (mxJSColor.images.pad[0]-1));
734			var y = Math.round((1-THIS.hsv[yComponent]) * (mxJSColor.images.pad[1]-1));
735			mxJSColor.picker.padM.style.backgroundPosition =
736				(THIS.pickerFace+THIS.pickerInset+x - Math.floor(mxJSColor.images.cross[0]/2)) + 'px ' +
737				(THIS.pickerFace+THIS.pickerInset+y - Math.floor(mxJSColor.images.cross[1]/2)) + 'px';
738
739			// redraw the slider image
740			var seg = mxJSColor.picker.sld.childNodes;
741
742			switch(modeID) {
743				case 0:
744					var rgb = HSV_RGB(THIS.hsv[0], THIS.hsv[1], 1);
745					for(var i=0; i<seg.length; i+=1) {
746						seg[i].style.backgroundColor = 'rgb('+
747							(rgb[0]*(1-i/seg.length)*100)+'%,'+
748							(rgb[1]*(1-i/seg.length)*100)+'%,'+
749							(rgb[2]*(1-i/seg.length)*100)+'%)';
750					}
751					break;
752				case 1:
753					var rgb, s, c = [ THIS.hsv[2], 0, 0 ];
754					var i = Math.floor(THIS.hsv[0]);
755					var f = i%2 ? THIS.hsv[0]-i : 1-(THIS.hsv[0]-i);
756					switch(i) {
757						case 6:
758						case 0: rgb=[0,1,2]; break;
759						case 1: rgb=[1,0,2]; break;
760						case 2: rgb=[2,0,1]; break;
761						case 3: rgb=[2,1,0]; break;
762						case 4: rgb=[1,2,0]; break;
763						case 5: rgb=[0,2,1]; break;
764					}
765					for(var i=0; i<seg.length; i+=1) {
766						s = 1 - 1/(seg.length-1)*i;
767						c[1] = c[0] * (1 - s*f);
768						c[2] = c[0] * (1 - s);
769						seg[i].style.backgroundColor = 'rgb('+
770							(c[rgb[0]]*100)+'%,'+
771							(c[rgb[1]]*100)+'%,'+
772							(c[rgb[2]]*100)+'%)';
773					}
774					break;
775			}
776		}
777
778
779		function redrawSld() {
780			// redraw the slider pointer
781			switch(modeID) {
782				case 0: var yComponent = 2; break;
783				case 1: var yComponent = 1; break;
784			}
785			var y = Math.round((1-THIS.hsv[yComponent]) * (mxJSColor.images.sld[1]-1));
786			mxJSColor.picker.sldM.style.backgroundPosition =
787				'0 ' + (THIS.pickerFace+THIS.pickerInset+y - Math.floor(mxJSColor.images.arrow[1]/2)) + 'px';
788		}
789
790
791		function isPickerOwner() {
792			return mxJSColor.picker && mxJSColor.picker.owner === THIS;
793		}
794
795
796		function blurTarget() {
797			if(valueElement === target) {
798				THIS.importColor();
799			}
800			if(THIS.pickerOnfocus) {
801				THIS.hidePicker();
802			}
803		}
804
805
806		function blurValue() {
807			if(valueElement !== target) {
808				THIS.importColor();
809			}
810		}
811
812
813		function setPad(e) {
814			var mpos = mxJSColor.getRelMousePos(e);
815			var x = mpos.x - THIS.pickerFace - THIS.pickerInset;
816			var y = mpos.y - THIS.pickerFace - THIS.pickerInset;
817			switch(modeID) {
818				case 0: THIS.fromHSV(x*(6/(mxJSColor.images.pad[0]-1)), 1 - y/(mxJSColor.images.pad[1]-1), null, leaveSld); break;
819				case 1: THIS.fromHSV(x*(6/(mxJSColor.images.pad[0]-1)), null, 1 - y/(mxJSColor.images.pad[1]-1), leaveSld); break;
820			}
821		}
822
823
824		function setSld(e) {
825			var mpos = mxJSColor.getRelMousePos(e);
826			var y = mpos.y - THIS.pickerFace - THIS.pickerInset;
827			switch(modeID) {
828				case 0: THIS.fromHSV(null, null, 1 - y/(mxJSColor.images.sld[1]-1), leavePad); break;
829				case 1: THIS.fromHSV(null, 1 - y/(mxJSColor.images.sld[1]-1), null, leavePad); break;
830			}
831		}
832
833
834		function dispatchImmediateChange() {
835			if (THIS.onImmediateChange) {
836				if (typeof THIS.onImmediateChange === 'string') {
837					eval(THIS.onImmediateChange);
838				} else {
839					THIS.onImmediateChange(THIS);
840				}
841			}
842		}
843
844
845		var THIS = this;
846		var modeID = this.pickerMode.toLowerCase()==='hvs' ? 1 : 0;
847		var abortBlur = false;
848		var
849			valueElement = mxJSColor.fetchElement(this.valueElement),
850			styleElement = mxJSColor.fetchElement(this.styleElement);
851		var
852			holdPad = false,
853			holdSld = false;
854		var
855			leaveValue = 1<<0,
856			leaveStyle = 1<<1,
857			leavePad = 1<<2,
858			leaveSld = 1<<3;
859
860		// target
861		/*mxJSColor.addEvent(target, 'focus', function() {
862			if(THIS.pickerOnfocus) { THIS.showPicker(); }
863		});
864		mxJSColor.addEvent(target, 'blur', function() {
865			if(!abortBlur) {
866				window.setTimeout(function(){ abortBlur || blurTarget(); abortBlur=false; }, 0);
867			} else {
868				abortBlur = false;
869			}
870		});*/
871
872		// valueElement
873		if(valueElement) {
874			var updateField = function() {
875				THIS.fromString(valueElement.value, leaveValue);
876				dispatchImmediateChange();
877			};
878			mxJSColor.addEvent(valueElement, 'keyup', updateField);
879			mxJSColor.addEvent(valueElement, 'input', updateField);
880			mxJSColor.addEvent(valueElement, 'blur', blurValue);
881			valueElement.setAttribute('autocomplete', 'off');
882		}
883
884		// styleElement
885		if(styleElement) {
886			styleElement.jscStyle = {
887				backgroundImage : styleElement.style.backgroundImage,
888				backgroundColor : styleElement.style.backgroundColor,
889				color : styleElement.style.color
890			};
891		}
892
893		// require images
894		switch(modeID) {
895			case 0: mxJSColor.requireImage('hs.png'); break;
896			case 1: mxJSColor.requireImage('hv.png'); break;
897		}
898
899		this.importColor();
900	}
901
902};
903
904
905mxJSColor.install();
906