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40 aurelien 1
/*
2
 * jQuery UI Resizable 1.8.5
3
 *
4
 * Copyright 2010, AUTHORS.txt (http://jqueryui.com/about)
5
 * Dual licensed under the MIT or GPL Version 2 licenses.
6
 * http://jquery.org/license
7
 *
8
 * http://docs.jquery.com/UI/Resizables
9
 *
10
 * Depends:
11
 *	jquery.ui.core.js
12
 *	jquery.ui.mouse.js
13
 *	jquery.ui.widget.js
14
 */
15
(function( $, undefined ) {
16
 
17
$.widget("ui.resizable", $.ui.mouse, {
18
	widgetEventPrefix: "resize",
19
	options: {
20
		alsoResize: false,
21
		animate: false,
22
		animateDuration: "slow",
23
		animateEasing: "swing",
24
		aspectRatio: false,
25
		autoHide: false,
26
		containment: false,
27
		ghost: false,
28
		grid: false,
29
		handles: "e,s,se",
30
		helper: false,
31
		maxHeight: null,
32
		maxWidth: null,
33
		minHeight: 10,
34
		minWidth: 10,
35
		zIndex: 1000
36
	},
37
	_create: function() {
38
 
39
		var self = this, o = this.options;
40
		this.element.addClass("ui-resizable");
41
 
42
		$.extend(this, {
43
			_aspectRatio: !!(o.aspectRatio),
44
			aspectRatio: o.aspectRatio,
45
			originalElement: this.element,
46
			_proportionallyResizeElements: [],
47
			_helper: o.helper || o.ghost || o.animate ? o.helper || 'ui-resizable-helper' : null
48
		});
49
 
50
		//Wrap the element if it cannot hold child nodes
51
		if(this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)) {
52
 
53
			//Opera fix for relative positioning
54
			if (/relative/.test(this.element.css('position')) && $.browser.opera)
55
				this.element.css({ position: 'relative', top: 'auto', left: 'auto' });
56
 
57
			//Create a wrapper element and set the wrapper to the new current internal element
58
			this.element.wrap(
59
				$('<div class="ui-wrapper" style="overflow: hidden;"></div>').css({
60
					position: this.element.css('position'),
61
					width: this.element.outerWidth(),
62
					height: this.element.outerHeight(),
63
					top: this.element.css('top'),
64
					left: this.element.css('left')
65
				})
66
			);
67
 
68
			//Overwrite the original this.element
69
			this.element = this.element.parent().data(
70
				"resizable", this.element.data('resizable')
71
			);
72
 
73
			this.elementIsWrapper = true;
74
 
75
			//Move margins to the wrapper
76
			this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") });
77
			this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});
78
 
79
			//Prevent Safari textarea resize
80
			this.originalResizeStyle = this.originalElement.css('resize');
81
			this.originalElement.css('resize', 'none');
82
 
83
			//Push the actual element to our proportionallyResize internal array
84
			this._proportionallyResizeElements.push(this.originalElement.css({ position: 'static', zoom: 1, display: 'block' }));
85
 
86
			// avoid IE jump (hard set the margin)
87
			this.originalElement.css({ margin: this.originalElement.css('margin') });
88
 
89
			// fix handlers offset
90
			this._proportionallyResize();
91
 
92
		}
93
 
94
		this.handles = o.handles || (!$('.ui-resizable-handle', this.element).length ? "e,s,se" : { n: '.ui-resizable-n', e: '.ui-resizable-e', s: '.ui-resizable-s', w: '.ui-resizable-w', se: '.ui-resizable-se', sw: '.ui-resizable-sw', ne: '.ui-resizable-ne', nw: '.ui-resizable-nw' });
95
		if(this.handles.constructor == String) {
96
 
97
			if(this.handles == 'all') this.handles = 'n,e,s,w,se,sw,ne,nw';
98
			var n = this.handles.split(","); this.handles = {};
99
 
100
			for(var i = 0; i < n.length; i++) {
101
 
102
				var handle = $.trim(n[i]), hname = 'ui-resizable-'+handle;
103
				var axis = $('<div class="ui-resizable-handle ' + hname + '"></div>');
104
 
105
				// increase zIndex of sw, se, ne, nw axis
106
				//TODO : this modifies original option
107
				if(/sw|se|ne|nw/.test(handle)) axis.css({ zIndex: ++o.zIndex });
108
 
109
				//TODO : What's going on here?
110
				if ('se' == handle) {
111
					axis.addClass('ui-icon ui-icon-gripsmall-diagonal-se');
112
				};
113
 
114
				//Insert into internal handles object and append to element
115
				this.handles[handle] = '.ui-resizable-'+handle;
116
				this.element.append(axis);
117
			}
118
 
119
		}
120
 
121
		this._renderAxis = function(target) {
122
 
123
			target = target || this.element;
124
 
125
			for(var i in this.handles) {
126
 
127
				if(this.handles[i].constructor == String)
128
					this.handles[i] = $(this.handles[i], this.element).show();
129
 
130
				//Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
131
				if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/textarea|input|select|button/i)) {
132
 
133
					var axis = $(this.handles[i], this.element), padWrapper = 0;
134
 
135
					//Checking the correct pad and border
136
					padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();
137
 
138
					//The padding type i have to apply...
139
					var padPos = [ 'padding',
140
						/ne|nw|n/.test(i) ? 'Top' :
141
						/se|sw|s/.test(i) ? 'Bottom' :
142
						/^e$/.test(i) ? 'Right' : 'Left' ].join("");
143
 
144
					target.css(padPos, padWrapper);
145
 
146
					this._proportionallyResize();
147
 
148
				}
149
 
150
				//TODO: What's that good for? There's not anything to be executed left
151
				if(!$(this.handles[i]).length)
152
					continue;
153
 
154
			}
155
		};
156
 
157
		//TODO: make renderAxis a prototype function
158
		this._renderAxis(this.element);
159
 
160
		this._handles = $('.ui-resizable-handle', this.element)
161
			.disableSelection();
162
 
163
		//Matching axis name
164
		this._handles.mouseover(function() {
165
			if (!self.resizing) {
166
				if (this.className)
167
					var axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
168
				//Axis, default = se
169
				self.axis = axis && axis[1] ? axis[1] : 'se';
170
			}
171
		});
172
 
173
		//If we want to auto hide the elements
174
		if (o.autoHide) {
175
			this._handles.hide();
176
			$(this.element)
177
				.addClass("ui-resizable-autohide")
178
				.hover(function() {
179
					$(this).removeClass("ui-resizable-autohide");
180
					self._handles.show();
181
				},
182
				function(){
183
					if (!self.resizing) {
184
						$(this).addClass("ui-resizable-autohide");
185
						self._handles.hide();
186
					}
187
				});
188
		}
189
 
190
		//Initialize the mouse interaction
191
		this._mouseInit();
192
 
193
	},
194
 
195
	destroy: function() {
196
 
197
		this._mouseDestroy();
198
 
199
		var _destroy = function(exp) {
200
			$(exp).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing")
201
				.removeData("resizable").unbind(".resizable").find('.ui-resizable-handle').remove();
202
		};
203
 
204
		//TODO: Unwrap at same DOM position
205
		if (this.elementIsWrapper) {
206
			_destroy(this.element);
207
			var wrapper = this.element;
208
			wrapper.after(
209
				this.originalElement.css({
210
					position: wrapper.css('position'),
211
					width: wrapper.outerWidth(),
212
					height: wrapper.outerHeight(),
213
					top: wrapper.css('top'),
214
					left: wrapper.css('left')
215
				})
216
			).remove();
217
		}
218
 
219
		this.originalElement.css('resize', this.originalResizeStyle);
220
		_destroy(this.originalElement);
221
 
222
		return this;
223
	},
224
 
225
	_mouseCapture: function(event) {
226
		var handle = false;
227
		for (var i in this.handles) {
228
			if ($(this.handles[i])[0] == event.target) {
229
				handle = true;
230
			}
231
		}
232
 
233
		return !this.options.disabled && handle;
234
	},
235
 
236
	_mouseStart: function(event) {
237
 
238
		var o = this.options, iniPos = this.element.position(), el = this.element;
239
 
240
		this.resizing = true;
241
		this.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };
242
 
243
		// bugfix for http://dev.jquery.com/ticket/1749
244
		if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
245
			el.css({ position: 'absolute', top: iniPos.top, left: iniPos.left });
246
		}
247
 
248
		//Opera fixing relative position
249
		if ($.browser.opera && (/relative/).test(el.css('position')))
250
			el.css({ position: 'relative', top: 'auto', left: 'auto' });
251
 
252
		this._renderProxy();
253
 
254
		var curleft = num(this.helper.css('left')), curtop = num(this.helper.css('top'));
255
 
256
		if (o.containment) {
257
			curleft += $(o.containment).scrollLeft() || 0;
258
			curtop += $(o.containment).scrollTop() || 0;
259
		}
260
 
261
		//Store needed variables
262
		this.offset = this.helper.offset();
263
		this.position = { left: curleft, top: curtop };
264
		this.size = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
265
		this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
266
		this.originalPosition = { left: curleft, top: curtop };
267
		this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
268
		this.originalMousePosition = { left: event.pageX, top: event.pageY };
269
 
270
		//Aspect Ratio
271
		this.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);
272
 
273
	    var cursor = $('.ui-resizable-' + this.axis).css('cursor');
274
	    $('body').css('cursor', cursor == 'auto' ? this.axis + '-resize' : cursor);
275
 
276
		el.addClass("ui-resizable-resizing");
277
		this._propagate("start", event);
278
		return true;
279
	},
280
 
281
	_mouseDrag: function(event) {
282
 
283
		//Increase performance, avoid regex
284
		var el = this.helper, o = this.options, props = {},
285
			self = this, smp = this.originalMousePosition, a = this.axis;
286
 
287
		var dx = (event.pageX-smp.left)||0, dy = (event.pageY-smp.top)||0;
288
		var trigger = this._change[a];
289
		if (!trigger) return false;
290
 
291
		// Calculate the attrs that will be change
292
		var data = trigger.apply(this, [event, dx, dy]), ie6 = $.browser.msie && $.browser.version < 7, csdif = this.sizeDiff;
293
 
294
		if (this._aspectRatio || event.shiftKey)
295
			data = this._updateRatio(data, event);
296
 
297
		data = this._respectSize(data, event);
298
 
299
		// plugins callbacks need to be called first
300
		this._propagate("resize", event);
301
 
302
		el.css({
303
			top: this.position.top + "px", left: this.position.left + "px",
304
			width: this.size.width + "px", height: this.size.height + "px"
305
		});
306
 
307
		if (!this._helper && this._proportionallyResizeElements.length)
308
			this._proportionallyResize();
309
 
310
		this._updateCache(data);
311
 
312
		// calling the user callback at the end
313
		this._trigger('resize', event, this.ui());
314
 
315
		return false;
316
	},
317
 
318
	_mouseStop: function(event) {
319
 
320
		this.resizing = false;
321
		var o = this.options, self = this;
322
 
323
		if(this._helper) {
324
			var pr = this._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
325
						soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
326
							soffsetw = ista ? 0 : self.sizeDiff.width;
327
 
328
			var s = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
329
				left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
330
				top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
331
 
332
			if (!o.animate)
333
				this.element.css($.extend(s, { top: top, left: left }));
334
 
335
			self.helper.height(self.size.height);
336
			self.helper.width(self.size.width);
337
 
338
			if (this._helper && !o.animate) this._proportionallyResize();
339
		}
340
 
341
		$('body').css('cursor', 'auto');
342
 
343
		this.element.removeClass("ui-resizable-resizing");
344
 
345
		this._propagate("stop", event);
346
 
347
		if (this._helper) this.helper.remove();
348
		return false;
349
 
350
	},
351
 
352
	_updateCache: function(data) {
353
		var o = this.options;
354
		this.offset = this.helper.offset();
355
		if (isNumber(data.left)) this.position.left = data.left;
356
		if (isNumber(data.top)) this.position.top = data.top;
357
		if (isNumber(data.height)) this.size.height = data.height;
358
		if (isNumber(data.width)) this.size.width = data.width;
359
	},
360
 
361
	_updateRatio: function(data, event) {
362
 
363
		var o = this.options, cpos = this.position, csize = this.size, a = this.axis;
364
 
365
		if (data.height) data.width = (csize.height * this.aspectRatio);
366
		else if (data.width) data.height = (csize.width / this.aspectRatio);
367
 
368
		if (a == 'sw') {
369
			data.left = cpos.left + (csize.width - data.width);
370
			data.top = null;
371
		}
372
		if (a == 'nw') {
373
			data.top = cpos.top + (csize.height - data.height);
374
			data.left = cpos.left + (csize.width - data.width);
375
		}
376
 
377
		return data;
378
	},
379
 
380
	_respectSize: function(data, event) {
381
 
382
		var el = this.helper, o = this.options, pRatio = this._aspectRatio || event.shiftKey, a = this.axis,
383
				ismaxw = isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
384
					isminw = isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = isNumber(data.height) && o.minHeight && (o.minHeight > data.height);
385
 
386
		if (isminw) data.width = o.minWidth;
387
		if (isminh) data.height = o.minHeight;
388
		if (ismaxw) data.width = o.maxWidth;
389
		if (ismaxh) data.height = o.maxHeight;
390
 
391
		var dw = this.originalPosition.left + this.originalSize.width, dh = this.position.top + this.size.height;
392
		var cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);
393
 
394
		if (isminw && cw) data.left = dw - o.minWidth;
395
		if (ismaxw && cw) data.left = dw - o.maxWidth;
396
		if (isminh && ch)	data.top = dh - o.minHeight;
397
		if (ismaxh && ch)	data.top = dh - o.maxHeight;
398
 
399
		// fixing jump error on top/left - bug #2330
400
		var isNotwh = !data.width && !data.height;
401
		if (isNotwh && !data.left && data.top) data.top = null;
402
		else if (isNotwh && !data.top && data.left) data.left = null;
403
 
404
		return data;
405
	},
406
 
407
	_proportionallyResize: function() {
408
 
409
		var o = this.options;
410
		if (!this._proportionallyResizeElements.length) return;
411
		var element = this.helper || this.element;
412
 
413
		for (var i=0; i < this._proportionallyResizeElements.length; i++) {
414
 
415
			var prel = this._proportionallyResizeElements[i];
416
 
417
			if (!this.borderDif) {
418
				var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
419
					p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];
420
 
421
				this.borderDif = $.map(b, function(v, i) {
422
					var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
423
					return border + padding;
424
				});
425
			}
426
 
427
			if ($.browser.msie && !(!($(element).is(':hidden') || $(element).parents(':hidden').length)))
428
				continue;
429
 
430
			prel.css({
431
				height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
432
				width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
433
			});
434
 
435
		};
436
 
437
	},
438
 
439
	_renderProxy: function() {
440
 
441
		var el = this.element, o = this.options;
442
		this.elementOffset = el.offset();
443
 
444
		if(this._helper) {
445
 
446
			this.helper = this.helper || $('<div style="overflow:hidden;"></div>');
447
 
448
			// fix ie6 offset TODO: This seems broken
449
			var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
450
			pxyoffset = ( ie6 ? 2 : -1 );
451
 
452
			this.helper.addClass(this._helper).css({
453
				width: this.element.outerWidth() + pxyoffset,
454
				height: this.element.outerHeight() + pxyoffset,
455
				position: 'absolute',
456
				left: this.elementOffset.left - ie6offset +'px',
457
				top: this.elementOffset.top - ie6offset +'px',
458
				zIndex: ++o.zIndex //TODO: Don't modify option
459
			});
460
 
461
			this.helper
462
				.appendTo("body")
463
				.disableSelection();
464
 
465
		} else {
466
			this.helper = this.element;
467
		}
468
 
469
	},
470
 
471
	_change: {
472
		e: function(event, dx, dy) {
473
			return { width: this.originalSize.width + dx };
474
		},
475
		w: function(event, dx, dy) {
476
			var o = this.options, cs = this.originalSize, sp = this.originalPosition;
477
			return { left: sp.left + dx, width: cs.width - dx };
478
		},
479
		n: function(event, dx, dy) {
480
			var o = this.options, cs = this.originalSize, sp = this.originalPosition;
481
			return { top: sp.top + dy, height: cs.height - dy };
482
		},
483
		s: function(event, dx, dy) {
484
			return { height: this.originalSize.height + dy };
485
		},
486
		se: function(event, dx, dy) {
487
			return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
488
		},
489
		sw: function(event, dx, dy) {
490
			return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
491
		},
492
		ne: function(event, dx, dy) {
493
			return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
494
		},
495
		nw: function(event, dx, dy) {
496
			return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
497
		}
498
	},
499
 
500
	_propagate: function(n, event) {
501
		$.ui.plugin.call(this, n, [event, this.ui()]);
502
		(n != "resize" && this._trigger(n, event, this.ui()));
503
	},
504
 
505
	plugins: {},
506
 
507
	ui: function() {
508
		return {
509
			originalElement: this.originalElement,
510
			element: this.element,
511
			helper: this.helper,
512
			position: this.position,
513
			size: this.size,
514
			originalSize: this.originalSize,
515
			originalPosition: this.originalPosition
516
		};
517
	}
518
 
519
});
520
 
521
$.extend($.ui.resizable, {
522
	version: "1.8.5"
523
});
524
 
525
/*
526
 * Resizable Extensions
527
 */
528
 
529
$.ui.plugin.add("resizable", "alsoResize", {
530
 
531
	start: function (event, ui) {
532
		var self = $(this).data("resizable"), o = self.options;
533
 
534
		var _store = function (exp) {
535
			$(exp).each(function() {
536
				var el = $(this);
537
				el.data("resizable-alsoresize", {
538
					width: parseInt(el.width(), 10), height: parseInt(el.height(), 10),
539
					left: parseInt(el.css('left'), 10), top: parseInt(el.css('top'), 10),
540
					position: el.css('position') // to reset Opera on stop()
541
				});
542
			});
543
		};
544
 
545
		if (typeof(o.alsoResize) == 'object' && !o.alsoResize.parentNode) {
546
			if (o.alsoResize.length) { o.alsoResize = o.alsoResize[0]; _store(o.alsoResize); }
547
			else { $.each(o.alsoResize, function (exp) { _store(exp); }); }
548
		}else{
549
			_store(o.alsoResize);
550
		}
551
	},
552
 
553
	resize: function (event, ui) {
554
		var self = $(this).data("resizable"), o = self.options, os = self.originalSize, op = self.originalPosition;
555
 
556
		var delta = {
557
			height: (self.size.height - os.height) || 0, width: (self.size.width - os.width) || 0,
558
			top: (self.position.top - op.top) || 0, left: (self.position.left - op.left) || 0
559
		},
560
 
561
		_alsoResize = function (exp, c) {
562
			$(exp).each(function() {
563
				var el = $(this), start = $(this).data("resizable-alsoresize"), style = {},
564
					css = c && c.length ? c : el.parents(ui.originalElement[0]).length ? ['width', 'height'] : ['width', 'height', 'top', 'left'];
565
 
566
				$.each(css, function (i, prop) {
567
					var sum = (start[prop]||0) + (delta[prop]||0);
568
					if (sum && sum >= 0)
569
						style[prop] = sum || null;
570
				});
571
 
572
				// Opera fixing relative position
573
				if ($.browser.opera && /relative/.test(el.css('position'))) {
574
					self._revertToRelativePosition = true;
575
					el.css({ position: 'absolute', top: 'auto', left: 'auto' });
576
				}
577
 
578
				el.css(style);
579
			});
580
		};
581
 
582
		if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
583
			$.each(o.alsoResize, function (exp, c) { _alsoResize(exp, c); });
584
		}else{
585
			_alsoResize(o.alsoResize);
586
		}
587
	},
588
 
589
	stop: function (event, ui) {
590
		var self = $(this).data("resizable"), o = self.options;
591
 
592
		var _reset = function (exp) {
593
			$(exp).each(function() {
594
				var el = $(this);
595
				// reset position for Opera - no need to verify it was changed
596
				el.css({ position: el.data("resizable-alsoresize").position });
597
			});
598
		};
599
 
600
		if (self._revertToRelativePosition) {
601
			self._revertToRelativePosition = false;
602
			if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
603
				$.each(o.alsoResize, function (exp) { _reset(exp); });
604
			}else{
605
				_reset(o.alsoResize);
606
			}
607
		}
608
 
609
		$(this).removeData("resizable-alsoresize");
610
	}
611
});
612
 
613
$.ui.plugin.add("resizable", "animate", {
614
 
615
	stop: function(event, ui) {
616
		var self = $(this).data("resizable"), o = self.options;
617
 
618
		var pr = self._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
619
					soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
620
						soffsetw = ista ? 0 : self.sizeDiff.width;
621
 
622
		var style = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
623
					left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
624
						top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
625
 
626
		self.element.animate(
627
			$.extend(style, top && left ? { top: top, left: left } : {}), {
628
				duration: o.animateDuration,
629
				easing: o.animateEasing,
630
				step: function() {
631
 
632
					var data = {
633
						width: parseInt(self.element.css('width'), 10),
634
						height: parseInt(self.element.css('height'), 10),
635
						top: parseInt(self.element.css('top'), 10),
636
						left: parseInt(self.element.css('left'), 10)
637
					};
638
 
639
					if (pr && pr.length) $(pr[0]).css({ width: data.width, height: data.height });
640
 
641
					// propagating resize, and updating values for each animation step
642
					self._updateCache(data);
643
					self._propagate("resize", event);
644
 
645
				}
646
			}
647
		);
648
	}
649
 
650
});
651
 
652
$.ui.plugin.add("resizable", "containment", {
653
 
654
	start: function(event, ui) {
655
		var self = $(this).data("resizable"), o = self.options, el = self.element;
656
		var oc = o.containment,	ce = (oc instanceof $) ? oc.get(0) : (/parent/.test(oc)) ? el.parent().get(0) : oc;
657
		if (!ce) return;
658
 
659
		self.containerElement = $(ce);
660
 
661
		if (/document/.test(oc) || oc == document) {
662
			self.containerOffset = { left: 0, top: 0 };
663
			self.containerPosition = { left: 0, top: 0 };
664
 
665
			self.parentData = {
666
				element: $(document), left: 0, top: 0,
667
				width: $(document).width(), height: $(document).height() || document.body.parentNode.scrollHeight
668
			};
669
		}
670
 
671
		// i'm a node, so compute top, left, right, bottom
672
		else {
673
			var element = $(ce), p = [];
674
			$([ "Top", "Right", "Left", "Bottom" ]).each(function(i, name) { p[i] = num(element.css("padding" + name)); });
675
 
676
			self.containerOffset = element.offset();
677
			self.containerPosition = element.position();
678
			self.containerSize = { height: (element.innerHeight() - p[3]), width: (element.innerWidth() - p[1]) };
679
 
680
			var co = self.containerOffset, ch = self.containerSize.height,	cw = self.containerSize.width,
681
						width = ($.ui.hasScroll(ce, "left") ? ce.scrollWidth : cw ), height = ($.ui.hasScroll(ce) ? ce.scrollHeight : ch);
682
 
683
			self.parentData = {
684
				element: ce, left: co.left, top: co.top, width: width, height: height
685
			};
686
		}
687
	},
688
 
689
	resize: function(event, ui) {
690
		var self = $(this).data("resizable"), o = self.options,
691
				ps = self.containerSize, co = self.containerOffset, cs = self.size, cp = self.position,
692
				pRatio = self._aspectRatio || event.shiftKey, cop = { top:0, left:0 }, ce = self.containerElement;
693
 
694
		if (ce[0] != document && (/static/).test(ce.css('position'))) cop = co;
695
 
696
		if (cp.left < (self._helper ? co.left : 0)) {
697
			self.size.width = self.size.width + (self._helper ? (self.position.left - co.left) : (self.position.left - cop.left));
698
			if (pRatio) self.size.height = self.size.width / o.aspectRatio;
699
			self.position.left = o.helper ? co.left : 0;
700
		}
701
 
702
		if (cp.top < (self._helper ? co.top : 0)) {
703
			self.size.height = self.size.height + (self._helper ? (self.position.top - co.top) : self.position.top);
704
			if (pRatio) self.size.width = self.size.height * o.aspectRatio;
705
			self.position.top = self._helper ? co.top : 0;
706
		}
707
 
708
		self.offset.left = self.parentData.left+self.position.left;
709
		self.offset.top = self.parentData.top+self.position.top;
710
 
711
		var woset = Math.abs( (self._helper ? self.offset.left - cop.left : (self.offset.left - cop.left)) + self.sizeDiff.width ),
712
					hoset = Math.abs( (self._helper ? self.offset.top - cop.top : (self.offset.top - co.top)) + self.sizeDiff.height );
713
 
714
		var isParent = self.containerElement.get(0) == self.element.parent().get(0),
715
		    isOffsetRelative = /relative|absolute/.test(self.containerElement.css('position'));
716
 
717
		if(isParent && isOffsetRelative) woset -= self.parentData.left;
718
 
719
		if (woset + self.size.width >= self.parentData.width) {
720
			self.size.width = self.parentData.width - woset;
721
			if (pRatio) self.size.height = self.size.width / self.aspectRatio;
722
		}
723
 
724
		if (hoset + self.size.height >= self.parentData.height) {
725
			self.size.height = self.parentData.height - hoset;
726
			if (pRatio) self.size.width = self.size.height * self.aspectRatio;
727
		}
728
	},
729
 
730
	stop: function(event, ui){
731
		var self = $(this).data("resizable"), o = self.options, cp = self.position,
732
				co = self.containerOffset, cop = self.containerPosition, ce = self.containerElement;
733
 
734
		var helper = $(self.helper), ho = helper.offset(), w = helper.outerWidth() - self.sizeDiff.width, h = helper.outerHeight() - self.sizeDiff.height;
735
 
736
		if (self._helper && !o.animate && (/relative/).test(ce.css('position')))
737
			$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
738
 
739
		if (self._helper && !o.animate && (/static/).test(ce.css('position')))
740
			$(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
741
 
742
	}
743
});
744
 
745
$.ui.plugin.add("resizable", "ghost", {
746
 
747
	start: function(event, ui) {
748
 
749
		var self = $(this).data("resizable"), o = self.options, cs = self.size;
750
 
751
		self.ghost = self.originalElement.clone();
752
		self.ghost
753
			.css({ opacity: .25, display: 'block', position: 'relative', height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 })
754
			.addClass('ui-resizable-ghost')
755
			.addClass(typeof o.ghost == 'string' ? o.ghost : '');
756
 
757
		self.ghost.appendTo(self.helper);
758
 
759
	},
760
 
761
	resize: function(event, ui){
762
		var self = $(this).data("resizable"), o = self.options;
763
		if (self.ghost) self.ghost.css({ position: 'relative', height: self.size.height, width: self.size.width });
764
	},
765
 
766
	stop: function(event, ui){
767
		var self = $(this).data("resizable"), o = self.options;
768
		if (self.ghost && self.helper) self.helper.get(0).removeChild(self.ghost.get(0));
769
	}
770
 
771
});
772
 
773
$.ui.plugin.add("resizable", "grid", {
774
 
775
	resize: function(event, ui) {
776
		var self = $(this).data("resizable"), o = self.options, cs = self.size, os = self.originalSize, op = self.originalPosition, a = self.axis, ratio = o._aspectRatio || event.shiftKey;
777
		o.grid = typeof o.grid == "number" ? [o.grid, o.grid] : o.grid;
778
		var ox = Math.round((cs.width - os.width) / (o.grid[0]||1)) * (o.grid[0]||1), oy = Math.round((cs.height - os.height) / (o.grid[1]||1)) * (o.grid[1]||1);
779
 
780
		if (/^(se|s|e)$/.test(a)) {
781
			self.size.width = os.width + ox;
782
			self.size.height = os.height + oy;
783
		}
784
		else if (/^(ne)$/.test(a)) {
785
			self.size.width = os.width + ox;
786
			self.size.height = os.height + oy;
787
			self.position.top = op.top - oy;
788
		}
789
		else if (/^(sw)$/.test(a)) {
790
			self.size.width = os.width + ox;
791
			self.size.height = os.height + oy;
792
			self.position.left = op.left - ox;
793
		}
794
		else {
795
			self.size.width = os.width + ox;
796
			self.size.height = os.height + oy;
797
			self.position.top = op.top - oy;
798
			self.position.left = op.left - ox;
799
		}
800
	}
801
 
802
});
803
 
804
var num = function(v) {
805
	return parseInt(v, 10) || 0;
806
};
807
 
808
var isNumber = function(value) {
809
	return !isNaN(parseInt(value, 10));
810
};
811
 
812
})(jQuery);