source: main/trunk/greenstone3/web/interfaces/oran/js/jquery-ui-1.8rc1/ui/jquery.ui.resizable.js@ 24245

Last change on this file since 24245 was 24245, checked in by sjb48, 13 years ago

Oran code for supporting format changes to document.
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1/*
2 * jQuery UI Resizable 1.8rc1
3 *
4 * Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
5 * Dual licensed under the MIT (MIT-LICENSE.txt)
6 * and GPL (GPL-LICENSE.txt) licenses.
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($) {
16
17$.widget("ui.resizable", $.ui.mouse, {
18 options: {
19 alsoResize: false,
20 animate: false,
21 animateDuration: "slow",
22 animateEasing: "swing",
23 aspectRatio: false,
24 autoHide: false,
25 containment: false,
26 ghost: false,
27 grid: false,
28 handles: "e,s,se",
29 helper: false,
30 maxHeight: null,
31 maxWidth: null,
32 minHeight: 10,
33 minWidth: 10,
34 zIndex: 1000
35 },
36 _create: function() {
37
38 var self = this, o = this.options;
39 this.element.addClass("ui-resizable");
40
41 $.extend(this, {
42 _aspectRatio: !!(o.aspectRatio),
43 aspectRatio: o.aspectRatio,
44 originalElement: this.element,
45 _proportionallyResizeElements: [],
46 _helper: o.helper || o.ghost || o.animate ? o.helper || 'ui-resizable-helper' : null
47 });
48
49 //Wrap the element if it cannot hold child nodes
50 if(this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)) {
51
52 //Opera fix for relative positioning
53 if (/relative/.test(this.element.css('position')) && $.browser.opera)
54 this.element.css({ position: 'relative', top: 'auto', left: 'auto' });
55
56 //Create a wrapper element and set the wrapper to the new current internal element
57 this.element.wrap(
58 $('<div class="ui-wrapper" style="overflow: hidden;"></div>').css({
59 position: this.element.css('position'),
60 width: this.element.outerWidth(),
61 height: this.element.outerHeight(),
62 top: this.element.css('top'),
63 left: this.element.css('left')
64 })
65 );
66
67 //Overwrite the original this.element
68 this.element = this.element.parent().data(
69 "resizable", this.element.data('resizable')
70 );
71
72 this.elementIsWrapper = true;
73
74 //Move margins to the wrapper
75 this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") });
76 this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});
77
78 //Prevent Safari textarea resize
79 this.originalResizeStyle = this.originalElement.css('resize');
80 this.originalElement.css('resize', 'none');
81
82 //Push the actual element to our proportionallyResize internal array
83 this._proportionallyResizeElements.push(this.originalElement.css({ position: 'static', zoom: 1, display: 'block' }));
84
85 // avoid IE jump (hard set the margin)
86 this.originalElement.css({ margin: this.originalElement.css('margin') });
87
88 // fix handlers offset
89 this._proportionallyResize();
90
91 }
92
93 this.handles = o.handles || (!$('.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' });
94 if(this.handles.constructor == String) {
95
96 if(this.handles == 'all') this.handles = 'n,e,s,w,se,sw,ne,nw';
97 var n = this.handles.split(","); this.handles = {};
98
99 for(var i = 0; i < n.length; i++) {
100
101 var handle = $.trim(n[i]), hname = 'ui-resizable-'+handle;
102 var axis = $('<div class="ui-resizable-handle ' + hname + '"></div>');
103
104 // increase zIndex of sw, se, ne, nw axis
105 //TODO : this modifies original option
106 if(/sw|se|ne|nw/.test(handle)) axis.css({ zIndex: ++o.zIndex });
107
108 //TODO : What's going on here?
109 if ('se' == handle) {
110 axis.addClass('ui-icon ui-icon-gripsmall-diagonal-se');
111 };
112
113 //Insert into internal handles object and append to element
114 this.handles[handle] = '.ui-resizable-'+handle;
115 this.element.append(axis);
116 }
117
118 }
119
120 this._renderAxis = function(target) {
121
122 target = target || this.element;
123
124 for(var i in this.handles) {
125
126 if(this.handles[i].constructor == String)
127 this.handles[i] = $(this.handles[i], this.element).show();
128
129 //Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
130 if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/textarea|input|select|button/i)) {
131
132 var axis = $(this.handles[i], this.element), padWrapper = 0;
133
134 //Checking the correct pad and border
135 padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();
136
137 //The padding type i have to apply...
138 var padPos = [ 'padding',
139 /ne|nw|n/.test(i) ? 'Top' :
140 /se|sw|s/.test(i) ? 'Bottom' :
141 /^e$/.test(i) ? 'Right' : 'Left' ].join("");
142
143 target.css(padPos, padWrapper);
144
145 this._proportionallyResize();
146
147 }
148
149 //TODO: What's that good for? There's not anything to be executed left
150 if(!$(this.handles[i]).length)
151 continue;
152
153 }
154 };
155
156 //TODO: make renderAxis a prototype function
157 this._renderAxis(this.element);
158
159 this._handles = $('.ui-resizable-handle', this.element)
160 .disableSelection();
161
162 //Matching axis name
163 this._handles.mouseover(function() {
164 if (!self.resizing) {
165 if (this.className)
166 var axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
167 //Axis, default = se
168 self.axis = axis && axis[1] ? axis[1] : 'se';
169 }
170 });
171
172 //If we want to auto hide the elements
173 if (o.autoHide) {
174 this._handles.hide();
175 $(this.element)
176 .addClass("ui-resizable-autohide")
177 .hover(function() {
178 $(this).removeClass("ui-resizable-autohide");
179 self._handles.show();
180 },
181 function(){
182 if (!self.resizing) {
183 $(this).addClass("ui-resizable-autohide");
184 self._handles.hide();
185 }
186 });
187 }
188
189 //Initialize the mouse interaction
190 this._mouseInit();
191
192 },
193
194 destroy: function() {
195
196 this._mouseDestroy();
197
198 var _destroy = function(exp) {
199 $(exp).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing")
200 .removeData("resizable").unbind(".resizable").find('.ui-resizable-handle').remove();
201 };
202
203 //TODO: Unwrap at same DOM position
204 if (this.elementIsWrapper) {
205 _destroy(this.element);
206 var wrapper = this.element;
207 wrapper.parent().append(
208 this.originalElement.css({
209 position: wrapper.css('position'),
210 width: wrapper.outerWidth(),
211 height: wrapper.outerHeight(),
212 top: wrapper.css('top'),
213 left: wrapper.css('left')
214 })
215 ).end().remove();
216 }
217
218 this.originalElement.css('resize', this.originalResizeStyle);
219 _destroy(this.originalElement);
220
221 return this;
222 },
223
224 _mouseCapture: function(event) {
225 var handle = false;
226 for (var i in this.handles) {
227 if ($(this.handles[i])[0] == event.target) {
228 handle = true;
229 }
230 }
231
232 return !this.options.disabled && handle;
233 },
234
235 _mouseStart: function(event) {
236
237 var o = this.options, iniPos = this.element.position(), el = this.element;
238
239 this.resizing = true;
240 this.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };
241
242 // bugfix for http://dev.jquery.com/ticket/1749
243 if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
244 el.css({ position: 'absolute', top: iniPos.top, left: iniPos.left });
245 }
246
247 //Opera fixing relative position
248 if ($.browser.opera && (/relative/).test(el.css('position')))
249 el.css({ position: 'relative', top: 'auto', left: 'auto' });
250
251 this._renderProxy();
252
253 var curleft = num(this.helper.css('left')), curtop = num(this.helper.css('top'));
254
255 if (o.containment) {
256 curleft += $(o.containment).scrollLeft() || 0;
257 curtop += $(o.containment).scrollTop() || 0;
258 }
259
260 //Store needed variables
261 this.offset = this.helper.offset();
262 this.position = { left: curleft, top: curtop };
263 this.size = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
264 this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
265 this.originalPosition = { left: curleft, top: curtop };
266 this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
267 this.originalMousePosition = { left: event.pageX, top: event.pageY };
268
269 //Aspect Ratio
270 this.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);
271
272 var cursor = $('.ui-resizable-' + this.axis).css('cursor');
273 $('body').css('cursor', cursor == 'auto' ? this.axis + '-resize' : cursor);
274
275 el.addClass("ui-resizable-resizing");
276 this._propagate("start", event);
277 return true;
278 },
279
280 _mouseDrag: function(event) {
281
282 //Increase performance, avoid regex
283 var el = this.helper, o = this.options, props = {},
284 self = this, smp = this.originalMousePosition, a = this.axis;
285
286 var dx = (event.pageX-smp.left)||0, dy = (event.pageY-smp.top)||0;
287 var trigger = this._change[a];
288 if (!trigger) return false;
289
290 // Calculate the attrs that will be change
291 var data = trigger.apply(this, [event, dx, dy]), ie6 = $.browser.msie && $.browser.version < 7, csdif = this.sizeDiff;
292
293 if (this._aspectRatio || event.shiftKey)
294 data = this._updateRatio(data, event);
295
296 data = this._respectSize(data, event);
297
298 // plugins callbacks need to be called first
299 this._propagate("resize", event);
300
301 el.css({
302 top: this.position.top + "px", left: this.position.left + "px",
303 width: this.size.width + "px", height: this.size.height + "px"
304 });
305
306 if (!this._helper && this._proportionallyResizeElements.length)
307 this._proportionallyResize();
308
309 this._updateCache(data);
310
311 // calling the user callback at the end
312 this._trigger('resize', event, this.ui());
313
314 return false;
315 },
316
317 _mouseStop: function(event) {
318
319 this.resizing = false;
320 var o = this.options, self = this;
321
322 if(this._helper) {
323 var pr = this._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
324 soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
325 soffsetw = ista ? 0 : self.sizeDiff.width;
326
327 var s = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
328 left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
329 top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
330
331 if (!o.animate)
332 this.element.css($.extend(s, { top: top, left: left }));
333
334 self.helper.height(self.size.height);
335 self.helper.width(self.size.width);
336
337 if (this._helper && !o.animate) this._proportionallyResize();
338 }
339
340 $('body').css('cursor', 'auto');
341
342 this.element.removeClass("ui-resizable-resizing");
343
344 this._propagate("stop", event);
345
346 if (this._helper) this.helper.remove();
347 return false;
348
349 },
350
351 _updateCache: function(data) {
352 var o = this.options;
353 this.offset = this.helper.offset();
354 if (isNumber(data.left)) this.position.left = data.left;
355 if (isNumber(data.top)) this.position.top = data.top;
356 if (isNumber(data.height)) this.size.height = data.height;
357 if (isNumber(data.width)) this.size.width = data.width;
358 },
359
360 _updateRatio: function(data, event) {
361
362 var o = this.options, cpos = this.position, csize = this.size, a = this.axis;
363
364 if (data.height) data.width = (csize.height * this.aspectRatio);
365 else if (data.width) data.height = (csize.width / this.aspectRatio);
366
367 if (a == 'sw') {
368 data.left = cpos.left + (csize.width - data.width);
369 data.top = null;
370 }
371 if (a == 'nw') {
372 data.top = cpos.top + (csize.height - data.height);
373 data.left = cpos.left + (csize.width - data.width);
374 }
375
376 return data;
377 },
378
379 _respectSize: function(data, event) {
380
381 var el = this.helper, o = this.options, pRatio = this._aspectRatio || event.shiftKey, a = this.axis,
382 ismaxw = isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
383 isminw = isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = isNumber(data.height) && o.minHeight && (o.minHeight > data.height);
384
385 if (isminw) data.width = o.minWidth;
386 if (isminh) data.height = o.minHeight;
387 if (ismaxw) data.width = o.maxWidth;
388 if (ismaxh) data.height = o.maxHeight;
389
390 var dw = this.originalPosition.left + this.originalSize.width, dh = this.position.top + this.size.height;
391 var cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);
392
393 if (isminw && cw) data.left = dw - o.minWidth;
394 if (ismaxw && cw) data.left = dw - o.maxWidth;
395 if (isminh && ch) data.top = dh - o.minHeight;
396 if (ismaxh && ch) data.top = dh - o.maxHeight;
397
398 // fixing jump error on top/left - bug #2330
399 var isNotwh = !data.width && !data.height;
400 if (isNotwh && !data.left && data.top) data.top = null;
401 else if (isNotwh && !data.top && data.left) data.left = null;
402
403 return data;
404 },
405
406 _proportionallyResize: function() {
407
408 var o = this.options;
409 if (!this._proportionallyResizeElements.length) return;
410 var element = this.helper || this.element;
411
412 for (var i=0; i < this._proportionallyResizeElements.length; i++) {
413
414 var prel = this._proportionallyResizeElements[i];
415
416 if (!this.borderDif) {
417 var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
418 p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];
419
420 this.borderDif = $.map(b, function(v, i) {
421 var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
422 return border + padding;
423 });
424 }
425
426 if ($.browser.msie && !(!($(element).is(':hidden') || $(element).parents(':hidden').length)))
427 continue;
428
429 prel.css({
430 height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
431 width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
432 });
433
434 };
435
436 },
437
438 _renderProxy: function() {
439
440 var el = this.element, o = this.options;
441 this.elementOffset = el.offset();
442
443 if(this._helper) {
444
445 this.helper = this.helper || $('<div style="overflow:hidden;"></div>');
446
447 // fix ie6 offset TODO: This seems broken
448 var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
449 pxyoffset = ( ie6 ? 2 : -1 );
450
451 this.helper.addClass(this._helper).css({
452 width: this.element.outerWidth() + pxyoffset,
453 height: this.element.outerHeight() + pxyoffset,
454 position: 'absolute',
455 left: this.elementOffset.left - ie6offset +'px',
456 top: this.elementOffset.top - ie6offset +'px',
457 zIndex: ++o.zIndex //TODO: Don't modify option
458 });
459
460 this.helper
461 .appendTo("body")
462 .disableSelection();
463
464 } else {
465 this.helper = this.element;
466 }
467
468 },
469
470 _change: {
471 e: function(event, dx, dy) {
472 return { width: this.originalSize.width + dx };
473 },
474 w: function(event, dx, dy) {
475 var o = this.options, cs = this.originalSize, sp = this.originalPosition;
476 return { left: sp.left + dx, width: cs.width - dx };
477 },
478 n: function(event, dx, dy) {
479 var o = this.options, cs = this.originalSize, sp = this.originalPosition;
480 return { top: sp.top + dy, height: cs.height - dy };
481 },
482 s: function(event, dx, dy) {
483 return { height: this.originalSize.height + dy };
484 },
485 se: function(event, dx, dy) {
486 return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
487 },
488 sw: function(event, dx, dy) {
489 return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
490 },
491 ne: function(event, dx, dy) {
492 return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
493 },
494 nw: function(event, dx, dy) {
495 return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
496 }
497 },
498
499 _propagate: function(n, event) {
500 $.ui.plugin.call(this, n, [event, this.ui()]);
501 (n != "resize" && this._trigger(n, event, this.ui()));
502 },
503
504 plugins: {},
505
506 ui: function() {
507 return {
508 originalElement: this.originalElement,
509 element: this.element,
510 helper: this.helper,
511 position: this.position,
512 size: this.size,
513 originalSize: this.originalSize,
514 originalPosition: this.originalPosition
515 };
516 }
517
518});
519
520$.extend($.ui.resizable, {
521 version: "1.8rc1",
522 eventPrefix: "resize"
523});
524
525/*
526 * Resizable Extensions
527 */
528
529$.ui.plugin.add("resizable", "alsoResize", {
530
531 start: function(event, ui) {
532
533 var self = $(this).data("resizable"), o = self.options;
534
535 var _store = function(exp) {
536 $(exp).each(function() {
537 $(this).data("resizable-alsoresize", {
538 width: parseInt($(this).width(), 10), height: parseInt($(this).height(), 10),
539 left: parseInt($(this).css('left'), 10), top: parseInt($(this).css('top'), 10)
540 });
541 });
542 };
543
544 if (typeof(o.alsoResize) == 'object' && !o.alsoResize.parentNode) {
545 if (o.alsoResize.length) { o.alsoResize = o.alsoResize[0]; _store(o.alsoResize); }
546 else { $.each(o.alsoResize, function(exp, c) { _store(exp); }); }
547 }else{
548 _store(o.alsoResize);
549 }
550 },
551
552 resize: function(event, ui){
553 var self = $(this).data("resizable"), o = self.options, os = self.originalSize, op = self.originalPosition;
554
555 var delta = {
556 height: (self.size.height - os.height) || 0, width: (self.size.width - os.width) || 0,
557 top: (self.position.top - op.top) || 0, left: (self.position.left - op.left) || 0
558 },
559
560 _alsoResize = function(exp, c) {
561 $(exp).each(function() {
562 var el = $(this), start = $(this).data("resizable-alsoresize"), style = {}, css = c && c.length ? c : ['width', 'height', 'top', 'left'];
563
564 $.each(css || ['width', 'height', 'top', 'left'], function(i, prop) {
565 var sum = (start[prop]||0) + (delta[prop]||0);
566 if (sum && sum >= 0)
567 style[prop] = sum || null;
568 });
569
570 //Opera fixing relative position
571 if (/relative/.test(el.css('position')) && $.browser.opera) {
572 self._revertToRelativePosition = true;
573 el.css({ position: 'absolute', top: 'auto', left: 'auto' });
574 }
575
576 el.css(style);
577 });
578 };
579
580 if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
581 $.each(o.alsoResize, function(exp, c) { _alsoResize(exp, c); });
582 }else{
583 _alsoResize(o.alsoResize);
584 }
585 },
586
587 stop: function(event, ui){
588 var self = $(this).data("resizable");
589
590 //Opera fixing relative position
591 if (self._revertToRelativePosition && $.browser.opera) {
592 self._revertToRelativePosition = false;
593 el.css({ position: 'relative' });
594 }
595
596 $(this).removeData("resizable-alsoresize-start");
597 }
598});
599
600$.ui.plugin.add("resizable", "animate", {
601
602 stop: function(event, ui) {
603 var self = $(this).data("resizable"), o = self.options;
604
605 var pr = self._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
606 soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
607 soffsetw = ista ? 0 : self.sizeDiff.width;
608
609 var style = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
610 left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
611 top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
612
613 self.element.animate(
614 $.extend(style, top && left ? { top: top, left: left } : {}), {
615 duration: o.animateDuration,
616 easing: o.animateEasing,
617 step: function() {
618
619 var data = {
620 width: parseInt(self.element.css('width'), 10),
621 height: parseInt(self.element.css('height'), 10),
622 top: parseInt(self.element.css('top'), 10),
623 left: parseInt(self.element.css('left'), 10)
624 };
625
626 if (pr && pr.length) $(pr[0]).css({ width: data.width, height: data.height });
627
628 // propagating resize, and updating values for each animation step
629 self._updateCache(data);
630 self._propagate("resize", event);
631
632 }
633 }
634 );
635 }
636
637});
638
639$.ui.plugin.add("resizable", "containment", {
640
641 start: function(event, ui) {
642 var self = $(this).data("resizable"), o = self.options, el = self.element;
643 var oc = o.containment, ce = (oc instanceof $) ? oc.get(0) : (/parent/.test(oc)) ? el.parent().get(0) : oc;
644 if (!ce) return;
645
646 self.containerElement = $(ce);
647
648 if (/document/.test(oc) || oc == document) {
649 self.containerOffset = { left: 0, top: 0 };
650 self.containerPosition = { left: 0, top: 0 };
651
652 self.parentData = {
653 element: $(document), left: 0, top: 0,
654 width: $(document).width(), height: $(document).height() || document.body.parentNode.scrollHeight
655 };
656 }
657
658 // i'm a node, so compute top, left, right, bottom
659 else {
660 var element = $(ce), p = [];
661 $([ "Top", "Right", "Left", "Bottom" ]).each(function(i, name) { p[i] = num(element.css("padding" + name)); });
662
663 self.containerOffset = element.offset();
664 self.containerPosition = element.position();
665 self.containerSize = { height: (element.innerHeight() - p[3]), width: (element.innerWidth() - p[1]) };
666
667 var co = self.containerOffset, ch = self.containerSize.height, cw = self.containerSize.width,
668 width = ($.ui.hasScroll(ce, "left") ? ce.scrollWidth : cw ), height = ($.ui.hasScroll(ce) ? ce.scrollHeight : ch);
669
670 self.parentData = {
671 element: ce, left: co.left, top: co.top, width: width, height: height
672 };
673 }
674 },
675
676 resize: function(event, ui) {
677 var self = $(this).data("resizable"), o = self.options,
678 ps = self.containerSize, co = self.containerOffset, cs = self.size, cp = self.position,
679 pRatio = self._aspectRatio || event.shiftKey, cop = { top:0, left:0 }, ce = self.containerElement;
680
681 if (ce[0] != document && (/static/).test(ce.css('position'))) cop = co;
682
683 if (cp.left < (self._helper ? co.left : 0)) {
684 self.size.width = self.size.width + (self._helper ? (self.position.left - co.left) : (self.position.left - cop.left));
685 if (pRatio) self.size.height = self.size.width / o.aspectRatio;
686 self.position.left = o.helper ? co.left : 0;
687 }
688
689 if (cp.top < (self._helper ? co.top : 0)) {
690 self.size.height = self.size.height + (self._helper ? (self.position.top - co.top) : self.position.top);
691 if (pRatio) self.size.width = self.size.height * o.aspectRatio;
692 self.position.top = self._helper ? co.top : 0;
693 }
694
695 self.offset.left = self.parentData.left+self.position.left;
696 self.offset.top = self.parentData.top+self.position.top;
697
698 var woset = Math.abs( (self._helper ? self.offset.left - cop.left : (self.offset.left - cop.left)) + self.sizeDiff.width ),
699 hoset = Math.abs( (self._helper ? self.offset.top - cop.top : (self.offset.top - co.top)) + self.sizeDiff.height );
700
701 var isParent = self.containerElement.get(0) == self.element.parent().get(0),
702 isOffsetRelative = /relative|absolute/.test(self.containerElement.css('position'));
703
704 if(isParent && isOffsetRelative) woset -= self.parentData.left;
705
706 if (woset + self.size.width >= self.parentData.width) {
707 self.size.width = self.parentData.width - woset;
708 if (pRatio) self.size.height = self.size.width / self.aspectRatio;
709 }
710
711 if (hoset + self.size.height >= self.parentData.height) {
712 self.size.height = self.parentData.height - hoset;
713 if (pRatio) self.size.width = self.size.height * self.aspectRatio;
714 }
715 },
716
717 stop: function(event, ui){
718 var self = $(this).data("resizable"), o = self.options, cp = self.position,
719 co = self.containerOffset, cop = self.containerPosition, ce = self.containerElement;
720
721 var helper = $(self.helper), ho = helper.offset(), w = helper.outerWidth() - self.sizeDiff.width, h = helper.outerHeight() - self.sizeDiff.height;
722
723 if (self._helper && !o.animate && (/relative/).test(ce.css('position')))
724 $(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
725
726 if (self._helper && !o.animate && (/static/).test(ce.css('position')))
727 $(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
728
729 }
730});
731
732$.ui.plugin.add("resizable", "ghost", {
733
734 start: function(event, ui) {
735
736 var self = $(this).data("resizable"), o = self.options, cs = self.size;
737
738 self.ghost = self.originalElement.clone();
739 self.ghost
740 .css({ opacity: .25, display: 'block', position: 'relative', height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 })
741 .addClass('ui-resizable-ghost')
742 .addClass(typeof o.ghost == 'string' ? o.ghost : '');
743
744 self.ghost.appendTo(self.helper);
745
746 },
747
748 resize: function(event, ui){
749 var self = $(this).data("resizable"), o = self.options;
750 if (self.ghost) self.ghost.css({ position: 'relative', height: self.size.height, width: self.size.width });
751 },
752
753 stop: function(event, ui){
754 var self = $(this).data("resizable"), o = self.options;
755 if (self.ghost && self.helper) self.helper.get(0).removeChild(self.ghost.get(0));
756 }
757
758});
759
760$.ui.plugin.add("resizable", "grid", {
761
762 resize: function(event, ui) {
763 var self = $(this).data("resizable"), o = self.options, cs = self.size, os = self.originalSize, op = self.originalPosition, a = self.axis, ratio = o._aspectRatio || event.shiftKey;
764 o.grid = typeof o.grid == "number" ? [o.grid, o.grid] : o.grid;
765 var ox = Math.round((cs.width - os.width) / (o.grid[0]||1)) * (o.grid[0]||1), oy = Math.round((cs.height - os.height) / (o.grid[1]||1)) * (o.grid[1]||1);
766
767 if (/^(se|s|e)$/.test(a)) {
768 self.size.width = os.width + ox;
769 self.size.height = os.height + oy;
770 }
771 else if (/^(ne)$/.test(a)) {
772 self.size.width = os.width + ox;
773 self.size.height = os.height + oy;
774 self.position.top = op.top - oy;
775 }
776 else if (/^(sw)$/.test(a)) {
777 self.size.width = os.width + ox;
778 self.size.height = os.height + oy;
779 self.position.left = op.left - ox;
780 }
781 else {
782 self.size.width = os.width + ox;
783 self.size.height = os.height + oy;
784 self.position.top = op.top - oy;
785 self.position.left = op.left - ox;
786 }
787 }
788
789});
790
791var num = function(v) {
792 return parseInt(v, 10) || 0;
793};
794
795var isNumber = function(value) {
796 return !isNaN(parseInt(value, 10));
797};
798
799})(jQuery);
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