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source: extensions/photoWidget/js/colorpicker.js @ 13111

Last change on this file since 13111 was 5611, checked in by nikrou, 15 years ago
New plugin photoWidget : first public release
File size: 16.8 KB

Line
1	/**
2	*
3	* Color picker
4	* Author: Stefan Petre www.eyecon.ro
5	*
6	* Dual licensed under the MIT and GPL licenses
7	*
8	*/
9	(function ($) {
10	var ColorPicker = function () {
11	var
12	ids = {},
13	inAction,
14	charMin = 65,
15	visible,
16	tpl = '<div class="colorpicker"><div class="colorpicker_color"><div><div></div></div></div><div class="colorpicker_hue"><div></div></div><div class="colorpicker_new_color"></div><div class="colorpicker_current_color"></div><div class="colorpicker_hex"><input type="text" maxlength="6" size="6" /></div><div class="colorpicker_rgb_r colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_rgb_g colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_rgb_b colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_h colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_s colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_hsb_b colorpicker_field"><input type="text" maxlength="3" size="3" /><span></span></div><div class="colorpicker_submit"></div></div>',
17	defaults = {
18	eventName: 'click',
19	onShow: function () {},
20	onBeforeShow: function(){},
21	onHide: function () {},
22	onChange: function () {},
23	onSubmit: function () {},
24	color: 'ff0000',
25	livePreview: true,
26	flat: false
27	},
28	fillRGBFields = function (hsb, cal) {
29	var rgb = HSBToRGB(hsb);
30	$(cal).data('colorpicker').fields
31	.eq(1).val(rgb.r).end()
32	.eq(2).val(rgb.g).end()
33	.eq(3).val(rgb.b).end();
34	},
35	fillHSBFields = function (hsb, cal) {
36	$(cal).data('colorpicker').fields
37	.eq(4).val(hsb.h).end()
38	.eq(5).val(hsb.s).end()
39	.eq(6).val(hsb.b).end();
40	},
41	fillHexFields = function (hsb, cal) {
42	$(cal).data('colorpicker').fields
43	.eq(0).val(HSBToHex(hsb)).end();
44	},
45	setSelector = function (hsb, cal) {
46	$(cal).data('colorpicker').selector.css('backgroundColor', '#' + HSBToHex({h: hsb.h, s: 100, b: 100}));
47	$(cal).data('colorpicker').selectorIndic.css({
48	left: parseInt(150 * hsb.s/100, 10),
49	top: parseInt(150 * (100-hsb.b)/100, 10)
50	});
51	},
52	setHue = function (hsb, cal) {
53	$(cal).data('colorpicker').hue.css('top', parseInt(150 - 150 * hsb.h/360, 10));
54	},
55	setCurrentColor = function (hsb, cal) {
56	$(cal).data('colorpicker').currentColor.css('backgroundColor', '#' + HSBToHex(hsb));
57	},
58	setNewColor = function (hsb, cal) {
59	$(cal).data('colorpicker').newColor.css('backgroundColor', '#' + HSBToHex(hsb));
60	},
61	keyDown = function (ev) {
62	var pressedKey = ev.charCode \|\| ev.keyCode \|\| -1;
63	if ((pressedKey > charMin && pressedKey <= 90) \|\| pressedKey == 32) {
64	return false;
65	}
66	var cal = $(this).parent().parent();
67	if (cal.data('colorpicker').livePreview === true) {
68	change.apply(this);
69	}
70	},
71	change = function (ev) {
72	var cal = $(this).parent().parent(), col;
73	if (this.parentNode.className.indexOf('_hex') > 0) {
74	cal.data('colorpicker').color = col = HexToHSB(fixHex(this.value));
75	} else if (this.parentNode.className.indexOf('_hsb') > 0) {
76	cal.data('colorpicker').color = col = fixHSB({
77	h: parseInt(cal.data('colorpicker').fields.eq(4).val(), 10),
78	s: parseInt(cal.data('colorpicker').fields.eq(5).val(), 10),
79	b: parseInt(cal.data('colorpicker').fields.eq(6).val(), 10)
80	});
81	} else {
82	cal.data('colorpicker').color = col = RGBToHSB(fixRGB({
83	r: parseInt(cal.data('colorpicker').fields.eq(1).val(), 10),
84	g: parseInt(cal.data('colorpicker').fields.eq(2).val(), 10),
85	b: parseInt(cal.data('colorpicker').fields.eq(3).val(), 10)
86	}));
87	}
88	if (ev) {
89	fillRGBFields(col, cal.get(0));
90	fillHexFields(col, cal.get(0));
91	fillHSBFields(col, cal.get(0));
92	}
93	setSelector(col, cal.get(0));
94	setHue(col, cal.get(0));
95	setNewColor(col, cal.get(0));
96	cal.data('colorpicker').onChange.apply(cal, [col, HSBToHex(col), HSBToRGB(col)]);
97	},
98	blur = function (ev) {
99	var cal = $(this).parent().parent();
100	cal.data('colorpicker').fields.parent().removeClass('colorpicker_focus');
101	},
102	focus = function () {
103	charMin = this.parentNode.className.indexOf('_hex') > 0 ? 70 : 65;
104	$(this).parent().parent().data('colorpicker').fields.parent().removeClass('colorpicker_focus');
105	$(this).parent().addClass('colorpicker_focus');
106	},
107	downIncrement = function (ev) {
108	var field = $(this).parent().find('input').focus();
109	var current = {
110	el: $(this).parent().addClass('colorpicker_slider'),
111	max: this.parentNode.className.indexOf('_hsb_h') > 0 ? 360 : (this.parentNode.className.indexOf('_hsb') > 0 ? 100 : 255),
112	y: ev.pageY,
113	field: field,
114	val: parseInt(field.val(), 10),
115	preview: $(this).parent().parent().data('colorpicker').livePreview
116	};
117	$(document).bind('mouseup', current, upIncrement);
118	$(document).bind('mousemove', current, moveIncrement);
119	},
120	moveIncrement = function (ev) {
121	ev.data.field.val(Math.max(0, Math.min(ev.data.max, parseInt(ev.data.val + ev.pageY - ev.data.y, 10))));
122	if (ev.data.preview) {
123	change.apply(ev.data.field.get(0), [true]);
124	}
125	return false;
126	},
127	upIncrement = function (ev) {
128	change.apply(ev.data.field.get(0), [true]);
129	ev.data.el.removeClass('colorpicker_slider').find('input').focus();
130	$(document).unbind('mouseup', upIncrement);
131	$(document).unbind('mousemove', moveIncrement);
132	return false;
133	},
134	downHue = function (ev) {
135	var current = {
136	cal: $(this).parent(),
137	y: $(this).offset().top
138	};
139	current.preview = current.cal.data('colorpicker').livePreview;
140	$(document).bind('mouseup', current, upHue);
141	$(document).bind('mousemove', current, moveHue);
142	},
143	moveHue = function (ev) {
144	change.apply(
145	ev.data.cal.data('colorpicker')
146	.fields
147	.eq(4)
148	.val(parseInt(360*(150 - Math.max(0,Math.min(150,(ev.pageY - ev.data.y))))/150, 10))
149	.get(0),
150	[ev.data.preview]
151	);
152	return false;
153	},
154	upHue = function (ev) {
155	fillRGBFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
156	fillHexFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
157	$(document).unbind('mouseup', upHue);
158	$(document).unbind('mousemove', moveHue);
159	return false;
160	},
161	downSelector = function (ev) {
162	var current = {
163	cal: $(this).parent(),
164	pos: $(this).offset()
165	};
166	current.preview = current.cal.data('colorpicker').livePreview;
167	$(document).bind('mouseup', current, upSelector);
168	$(document).bind('mousemove', current, moveSelector);
169	},
170	moveSelector = function (ev) {
171	change.apply(
172	ev.data.cal.data('colorpicker')
173	.fields
174	.eq(6)
175	.val(parseInt(100*(150 - Math.max(0,Math.min(150,(ev.pageY - ev.data.pos.top))))/150, 10))
176	.end()
177	.eq(5)
178	.val(parseInt(100*(Math.max(0,Math.min(150,(ev.pageX - ev.data.pos.left))))/150, 10))
179	.get(0),
180	[ev.data.preview]
181	);
182	return false;
183	},
184	upSelector = function (ev) {
185	fillRGBFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
186	fillHexFields(ev.data.cal.data('colorpicker').color, ev.data.cal.get(0));
187	$(document).unbind('mouseup', upSelector);
188	$(document).unbind('mousemove', moveSelector);
189	return false;
190	},
191	enterSubmit = function (ev) {
192	$(this).addClass('colorpicker_focus');
193	},
194	leaveSubmit = function (ev) {
195	$(this).removeClass('colorpicker_focus');
196	},
197	clickSubmit = function (ev) {
198	var cal = $(this).parent();
199	var col = cal.data('colorpicker').color;
200	cal.data('colorpicker').origColor = col;
201	setCurrentColor(col, cal.get(0));
202	cal.data('colorpicker').onSubmit(col, HSBToHex(col), HSBToRGB(col), cal.data('colorpicker').el);
203	},
204	show = function (ev) {
205	var cal = $('#' + $(this).data('colorpickerId'));
206	cal.data('colorpicker').onBeforeShow.apply(this, [cal.get(0)]);
207	var pos = $(this).offset();
208	var viewPort = getViewport();
209	var top = pos.top + this.offsetHeight;
210	var left = pos.left;
211	if (top + 176 > viewPort.t + viewPort.h) {
212	top -= this.offsetHeight + 176;
213	}
214	if (left + 356 > viewPort.l + viewPort.w) {
215	left -= 356;
216	}
217	cal.css({left: left + 'px', top: top + 'px'});
218	if (cal.data('colorpicker').onShow.apply(this, [cal.get(0)]) != false) {
219	cal.show();
220	}
221	$(document).bind('mousedown', {cal: cal}, hide);
222	return false;
223	},
224	hide = function (ev) {
225	if (!isChildOf(ev.data.cal.get(0), ev.target, ev.data.cal.get(0))) {
226	if (ev.data.cal.data('colorpicker').onHide.apply(this, [ev.data.cal.get(0)]) != false) {
227	ev.data.cal.hide();
228	}
229	$(document).unbind('mousedown', hide);
230	}
231	},
232	isChildOf = function(parentEl, el, container) {
233	if (parentEl == el) {
234	return true;
235	}
236	if (parentEl.contains) {
237	return parentEl.contains(el);
238	}
239	if ( parentEl.compareDocumentPosition ) {
240	return !!(parentEl.compareDocumentPosition(el) & 16);
241	}
242	var prEl = el.parentNode;
243	while(prEl && prEl != container) {
244	if (prEl == parentEl)
245	return true;
246	prEl = prEl.parentNode;
247	}
248	return false;
249	},
250	getViewport = function () {
251	var m = document.compatMode == 'CSS1Compat';
252	return {
253	l : window.pageXOffset \|\| (m ? document.documentElement.scrollLeft : document.body.scrollLeft),
254	t : window.pageYOffset \|\| (m ? document.documentElement.scrollTop : document.body.scrollTop),
255	w : window.innerWidth \|\| (m ? document.documentElement.clientWidth : document.body.clientWidth),
256	h : window.innerHeight \|\| (m ? document.documentElement.clientHeight : document.body.clientHeight)
257	};
258	},
259	fixHSB = function (hsb) {
260	return {
261	h: Math.min(360, Math.max(0, hsb.h)),
262	s: Math.min(100, Math.max(0, hsb.s)),
263	b: Math.min(100, Math.max(0, hsb.b))
264	};
265	},
266	fixRGB = function (rgb) {
267	return {
268	r: Math.min(255, Math.max(0, rgb.r)),
269	g: Math.min(255, Math.max(0, rgb.g)),
270	b: Math.min(255, Math.max(0, rgb.b))
271	};
272	},
273	fixHex = function (hex) {
274	var len = 6 - hex.length;
275	if (len > 0) {
276	var o = [];
277	for (var i=0; i<len; i++) {
278	o.push('0');
279	}
280	o.push(hex);
281	hex = o.join('');
282	}
283	return hex;
284	},
285	HexToRGB = function (hex) {
286	var hex = parseInt(((hex.indexOf('#') > -1) ? hex.substring(1) : hex), 16);
287	return {r: hex >> 16, g: (hex & 0x00FF00) >> 8, b: (hex & 0x0000FF)};
288	},
289	HexToHSB = function (hex) {
290	return RGBToHSB(HexToRGB(hex));
291	},
292	RGBToHSB = function (rgb) {
293	var hsb = {
294	h: 0,
295	s: 0,
296	b: 0
297	};
298	var min = Math.min(rgb.r, rgb.g, rgb.b);
299	var max = Math.max(rgb.r, rgb.g, rgb.b);
300	var delta = max - min;
301	hsb.b = max;
302	if (max != 0) {
303
304	}
305	hsb.s = max != 0 ? 255 * delta / max : 0;
306	if (hsb.s != 0) {
307	if (rgb.r == max) {
308	hsb.h = (rgb.g - rgb.b) / delta;
309	} else if (rgb.g == max) {
310	hsb.h = 2 + (rgb.b - rgb.r) / delta;
311	} else {
312	hsb.h = 4 + (rgb.r - rgb.g) / delta;
313	}
314	} else {
315	hsb.h = -1;
316	}
317	hsb.h *= 60;
318	if (hsb.h < 0) {
319	hsb.h += 360;
320	}
321	hsb.s *= 100/255;
322	hsb.b *= 100/255;
323	return hsb;
324	},
325	HSBToRGB = function (hsb) {
326	var rgb = {};
327	var h = Math.round(hsb.h);
328	var s = Math.round(hsb.s*255/100);
329	var v = Math.round(hsb.b*255/100);
330	if(s == 0) {
331	rgb.r = rgb.g = rgb.b = v;
332	} else {
333	var t1 = v;
334	var t2 = (255-s)*v/255;
335	var t3 = (t1-t2)*(h%60)/60;
336	if(h==360) h = 0;
337	if(h<60) {rgb.r=t1; rgb.b=t2; rgb.g=t2+t3}
338	else if(h<120) {rgb.g=t1; rgb.b=t2; rgb.r=t1-t3}
339	else if(h<180) {rgb.g=t1; rgb.r=t2; rgb.b=t2+t3}
340	else if(h<240) {rgb.b=t1; rgb.r=t2; rgb.g=t1-t3}
341	else if(h<300) {rgb.b=t1; rgb.g=t2; rgb.r=t2+t3}
342	else if(h<360) {rgb.r=t1; rgb.g=t2; rgb.b=t1-t3}
343	else {rgb.r=0; rgb.g=0; rgb.b=0}
344	}
345	return {r:Math.round(rgb.r), g:Math.round(rgb.g), b:Math.round(rgb.b)};
346	},
347	RGBToHex = function (rgb) {
348	var hex = [
349	rgb.r.toString(16),
350	rgb.g.toString(16),
351	rgb.b.toString(16)
352	];
353	$.each(hex, function (nr, val) {
354	if (val.length == 1) {
355	hex[nr] = '0' + val;
356	}
357	});
358	return hex.join('');
359	},
360	HSBToHex = function (hsb) {
361	return RGBToHex(HSBToRGB(hsb));
362	},
363	restoreOriginal = function () {
364	var cal = $(this).parent();
365	var col = cal.data('colorpicker').origColor;
366	cal.data('colorpicker').color = col;
367	fillRGBFields(col, cal.get(0));
368	fillHexFields(col, cal.get(0));
369	fillHSBFields(col, cal.get(0));
370	setSelector(col, cal.get(0));
371	setHue(col, cal.get(0));
372	setNewColor(col, cal.get(0));
373	};
374	return {
375	init: function (opt) {
376	opt = $.extend({}, defaults, opt\|\|{});
377	if (typeof opt.color == 'string') {
378	opt.color = HexToHSB(opt.color);
379	} else if (opt.color.r != undefined && opt.color.g != undefined && opt.color.b != undefined) {
380	opt.color = RGBToHSB(opt.color);
381	} else if (opt.color.h != undefined && opt.color.s != undefined && opt.color.b != undefined) {
382	opt.color = fixHSB(opt.color);
383	} else {
384	return this;
385	}
386	return this.each(function () {
387	if (!$(this).data('colorpickerId')) {
388	var options = $.extend({}, opt);
389	options.origColor = opt.color;
390	var id = 'collorpicker_' + parseInt(Math.random() * 1000);
391	$(this).data('colorpickerId', id);
392	var cal = $(tpl).attr('id', id);
393	if (options.flat) {
394	cal.appendTo(this).show();
395	} else {
396	cal.appendTo(document.body);
397	}
398	options.fields = cal
399	.find('input')
400	.bind('keyup', keyDown)
401	.bind('change', change)
402	.bind('blur', blur)
403	.bind('focus', focus);
404	cal
405	.find('span').bind('mousedown', downIncrement).end()
406	.find('>div.colorpicker_current_color').bind('click', restoreOriginal);
407	options.selector = cal.find('div.colorpicker_color').bind('mousedown', downSelector);
408	options.selectorIndic = options.selector.find('div div');
409	options.el = this;
410	options.hue = cal.find('div.colorpicker_hue div');
411	cal.find('div.colorpicker_hue').bind('mousedown', downHue);
412	options.newColor = cal.find('div.colorpicker_new_color');
413	options.currentColor = cal.find('div.colorpicker_current_color');
414	cal.data('colorpicker', options);
415	cal.find('div.colorpicker_submit')
416	.bind('mouseenter', enterSubmit)
417	.bind('mouseleave', leaveSubmit)
418	.bind('click', clickSubmit);
419	fillRGBFields(options.color, cal.get(0));
420	fillHSBFields(options.color, cal.get(0));
421	fillHexFields(options.color, cal.get(0));
422	setHue(options.color, cal.get(0));
423	setSelector(options.color, cal.get(0));
424	setCurrentColor(options.color, cal.get(0));
425	setNewColor(options.color, cal.get(0));
426	if (options.flat) {
427	cal.css({
428	position: 'relative',
429	display: 'block'
430	});
431	} else {
432	$(this).bind(options.eventName, show);
433	}
434	}
435	});
436	},
437	showPicker: function() {
438	return this.each( function () {
439	if ($(this).data('colorpickerId')) {
440	show.apply(this);
441	}
442	});
443	},
444	hidePicker: function() {
445	return this.each( function () {
446	if ($(this).data('colorpickerId')) {
447	$('#' + $(this).data('colorpickerId')).hide();
448	}
449	});
450	},
451	setColor: function(col) {
452	if (typeof col == 'string') {
453	col = HexToHSB(col);
454	} else if (col.r != undefined && col.g != undefined && col.b != undefined) {
455	col = RGBToHSB(col);
456	} else if (col.h != undefined && col.s != undefined && col.b != undefined) {
457	col = fixHSB(col);
458	} else {
459	return this;
460	}
461	return this.each(function(){
462	if ($(this).data('colorpickerId')) {
463	var cal = $('#' + $(this).data('colorpickerId'));
464	cal.data('colorpicker').color = col;
465	cal.data('colorpicker').origColor = col;
466	fillRGBFields(col, cal.get(0));
467	fillHSBFields(col, cal.get(0));
468	fillHexFields(col, cal.get(0));
469	setHue(col, cal.get(0));
470	setSelector(col, cal.get(0));
471	setCurrentColor(col, cal.get(0));
472	setNewColor(col, cal.get(0));
473	}
474	});
475	}
476	};
477	}();
478	$.fn.extend({
479	ColorPicker: ColorPicker.init,
480	ColorPickerHide: ColorPicker.hidePicker,
481	ColorPickerShow: ColorPicker.showPicker,
482	ColorPickerSetColor: ColorPicker.setColor
483	});
484	})(jQuery)

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