www/plugins/auto/jquery_ui/javascript/jquery-ui-1.8.16/ui/jquery.ui.resizable.js

   1 /*
   2  * jQuery UI Resizable 1.8.16
   3  *
   4  * Copyright 2011, 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                                         if (o.disabled) return;
 180                                         $(this).removeClass("ui-resizable-autohide");
 181                                         self._handles.show();
 182                                 },
 183                                 function(){
 184                                         if (o.disabled) return;
 185                                         if (!self.resizing) {
 186                                                 $(this).addClass("ui-resizable-autohide");
 187                                                 self._handles.hide();
 188                                         }
 189                                 });
 190                 }
 191
 192                 //Initialize the mouse interaction
 193                 this._mouseInit();
 194
 195         },
 196
 197         destroy: function() {
 198
 199                 this._mouseDestroy();
 200
 201                 var _destroy = function(exp) {
 202                         $(exp).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing")
 203                                 .removeData("resizable").unbind(".resizable").find('.ui-resizable-handle').remove();
 204                 };
 205
 206                 //TODO: Unwrap at same DOM position
 207                 if (this.elementIsWrapper) {
 208                         _destroy(this.element);
 209                         var wrapper = this.element;
 210                         wrapper.after(
 211                                 this.originalElement.css({
 212                                         position: wrapper.css('position'),
 213                                         width: wrapper.outerWidth(),
 214                                         height: wrapper.outerHeight(),
 215                                         top: wrapper.css('top'),
 216                                         left: wrapper.css('left')
 217                                 })
 218                         ).remove();
 219                 }
 220
 221                 this.originalElement.css('resize', this.originalResizeStyle);
 222                 _destroy(this.originalElement);
 223
 224                 return this;
 225         },
 226
 227         _mouseCapture: function(event) {
 228                 var handle = false;
 229                 for (var i in this.handles) {
 230                         if ($(this.handles[i])[0] == event.target) {
 231                                 handle = true;
 232                         }
 233                 }
 234
 235                 return !this.options.disabled && handle;
 236         },
 237
 238         _mouseStart: function(event) {
 239
 240                 var o = this.options, iniPos = this.element.position(), el = this.element;
 241
 242                 this.resizing = true;
 243                 this.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };
 244
 245                 // bugfix for http://dev.jquery.com/ticket/1749
 246                 if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
 247                         el.css({ position: 'absolute', top: iniPos.top, left: iniPos.left });
 248                 }
 249
 250                 //Opera fixing relative position
 251                 if ($.browser.opera && (/relative/).test(el.css('position')))
 252                         el.css({ position: 'relative', top: 'auto', left: 'auto' });
 253
 254                 this._renderProxy();
 255
 256                 var curleft = num(this.helper.css('left')), curtop = num(this.helper.css('top'));
 257
 258                 if (o.containment) {
 259                         curleft += $(o.containment).scrollLeft() || 0;
 260                         curtop += $(o.containment).scrollTop() || 0;
 261                 }
 262
 263                 //Store needed variables
 264                 this.offset = this.helper.offset();
 265                 this.position = { left: curleft, top: curtop };
 266                 this.size = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
 267                 this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
 268                 this.originalPosition = { left: curleft, top: curtop };
 269                 this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
 270                 this.originalMousePosition = { left: event.pageX, top: event.pageY };
 271
 272                 //Aspect Ratio
 273                 this.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);
 274
 275             var cursor = $('.ui-resizable-' + this.axis).css('cursor');
 276             $('body').css('cursor', cursor == 'auto' ? this.axis + '-resize' : cursor);
 277
 278                 el.addClass("ui-resizable-resizing");
 279                 this._propagate("start", event);
 280                 return true;
 281         },
 282
 283         _mouseDrag: function(event) {
 284
 285                 //Increase performance, avoid regex
 286                 var el = this.helper, o = this.options, props = {},
 287                         self = this, smp = this.originalMousePosition, a = this.axis;
 288
 289                 var dx = (event.pageX-smp.left)||0, dy = (event.pageY-smp.top)||0;
 290                 var trigger = this._change[a];
 291                 if (!trigger) return false;
 292
 293                 // Calculate the attrs that will be change
 294                 var data = trigger.apply(this, [event, dx, dy]), ie6 = $.browser.msie && $.browser.version < 7, csdif = this.sizeDiff;
 295
 296                 // Put this in the mouseDrag handler since the user can start pressing shift while resizing
 297                 this._updateVirtualBoundaries(event.shiftKey);
 298                 if (this._aspectRatio || event.shiftKey)
 299                         data = this._updateRatio(data, event);
 300
 301                 data = this._respectSize(data, event);
 302
 303                 // plugins callbacks need to be called first
 304                 this._propagate("resize", event);
 305
 306                 el.css({
 307                         top: this.position.top + "px", left: this.position.left + "px",
 308                         width: this.size.width + "px", height: this.size.height + "px"
 309                 });
 310
 311                 if (!this._helper && this._proportionallyResizeElements.length)
 312                         this._proportionallyResize();
 313
 314                 this._updateCache(data);
 315
 316                 // calling the user callback at the end
 317                 this._trigger('resize', event, this.ui());
 318
 319                 return false;
 320         },
 321
 322         _mouseStop: function(event) {
 323
 324                 this.resizing = false;
 325                 var o = this.options, self = this;
 326
 327                 if(this._helper) {
 328                         var pr = this._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
 329                                 soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
 330                                 soffsetw = ista ? 0 : self.sizeDiff.width;
 331
 332                         var s = { width: (self.helper.width()  - soffsetw), height: (self.helper.height() - soffseth) },
 333                                 left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
 334                                 top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
 335
 336                         if (!o.animate)
 337                                 this.element.css($.extend(s, { top: top, left: left }));
 338
 339                         self.helper.height(self.size.height);
 340                         self.helper.width(self.size.width);
 341
 342                         if (this._helper && !o.animate) this._proportionallyResize();
 343                 }
 344
 345                 $('body').css('cursor', 'auto');
 346
 347                 this.element.removeClass("ui-resizable-resizing");
 348
 349                 this._propagate("stop", event);
 350
 351                 if (this._helper) this.helper.remove();
 352                 return false;
 353
 354         },
 355
 356     _updateVirtualBoundaries: function(forceAspectRatio) {
 357         var o = this.options, pMinWidth, pMaxWidth, pMinHeight, pMaxHeight, b;
 358
 359         b = {
 360             minWidth: isNumber(o.minWidth) ? o.minWidth : 0,
 361             maxWidth: isNumber(o.maxWidth) ? o.maxWidth : Infinity,
 362             minHeight: isNumber(o.minHeight) ? o.minHeight : 0,
 363             maxHeight: isNumber(o.maxHeight) ? o.maxHeight : Infinity
 364         };
 365
 366         if(this._aspectRatio || forceAspectRatio) {
 367             // We want to create an enclosing box whose aspect ration is the requested one
 368             // First, compute the "projected" size for each dimension based on the aspect ratio and other dimension
 369             pMinWidth = b.minHeight * this.aspectRatio;
 370             pMinHeight = b.minWidth / this.aspectRatio;
 371             pMaxWidth = b.maxHeight * this.aspectRatio;
 372             pMaxHeight = b.maxWidth / this.aspectRatio;
 373
 374             if(pMinWidth > b.minWidth) b.minWidth = pMinWidth;
 375             if(pMinHeight > b.minHeight) b.minHeight = pMinHeight;
 376             if(pMaxWidth < b.maxWidth) b.maxWidth = pMaxWidth;
 377             if(pMaxHeight < b.maxHeight) b.maxHeight = pMaxHeight;
 378         }
 379         this._vBoundaries = b;
 380     },
 381
 382         _updateCache: function(data) {
 383                 var o = this.options;
 384                 this.offset = this.helper.offset();
 385                 if (isNumber(data.left)) this.position.left = data.left;
 386                 if (isNumber(data.top)) this.position.top = data.top;
 387                 if (isNumber(data.height)) this.size.height = data.height;
 388                 if (isNumber(data.width)) this.size.width = data.width;
 389         },
 390
 391         _updateRatio: function(data, event) {
 392
 393                 var o = this.options, cpos = this.position, csize = this.size, a = this.axis;
 394
 395                 if (isNumber(data.height)) data.width = (data.height * this.aspectRatio);
 396                 else if (isNumber(data.width)) data.height = (data.width / this.aspectRatio);
 397
 398                 if (a == 'sw') {
 399                         data.left = cpos.left + (csize.width - data.width);
 400                         data.top = null;
 401                 }
 402                 if (a == 'nw') {
 403                         data.top = cpos.top + (csize.height - data.height);
 404                         data.left = cpos.left + (csize.width - data.width);
 405                 }
 406
 407                 return data;
 408         },
 409
 410         _respectSize: function(data, event) {
 411
 412                 var el = this.helper, o = this._vBoundaries, pRatio = this._aspectRatio || event.shiftKey, a = this.axis,
 413                                 ismaxw = isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
 414                                         isminw = isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = isNumber(data.height) && o.minHeight && (o.minHeight > data.height);
 415
 416                 if (isminw) data.width = o.minWidth;
 417                 if (isminh) data.height = o.minHeight;
 418                 if (ismaxw) data.width = o.maxWidth;
 419                 if (ismaxh) data.height = o.maxHeight;
 420
 421                 var dw = this.originalPosition.left + this.originalSize.width, dh = this.position.top + this.size.height;
 422                 var cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);
 423
 424                 if (isminw && cw) data.left = dw - o.minWidth;
 425                 if (ismaxw && cw) data.left = dw - o.maxWidth;
 426                 if (isminh && ch)       data.top = dh - o.minHeight;
 427                 if (ismaxh && ch)       data.top = dh - o.maxHeight;
 428
 429                 // fixing jump error on top/left - bug #2330
 430                 var isNotwh = !data.width && !data.height;
 431                 if (isNotwh && !data.left && data.top) data.top = null;
 432                 else if (isNotwh && !data.top && data.left) data.left = null;
 433
 434                 return data;
 435         },
 436
 437         _proportionallyResize: function() {
 438
 439                 var o = this.options;
 440                 if (!this._proportionallyResizeElements.length) return;
 441                 var element = this.helper || this.element;
 442
 443                 for (var i=0; i < this._proportionallyResizeElements.length; i++) {
 444
 445                         var prel = this._proportionallyResizeElements[i];
 446
 447                         if (!this.borderDif) {
 448                                 var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
 449                                         p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];
 450
 451                                 this.borderDif = $.map(b, function(v, i) {
 452                                         var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
 453                                         return border + padding;
 454                                 });
 455                         }
 456
 457                         if ($.browser.msie && !(!($(element).is(':hidden') || $(element).parents(':hidden').length)))
 458                                 continue;
 459
 460                         prel.css({
 461                                 height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
 462                                 width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
 463                         });
 464
 465                 };
 466
 467         },
 468
 469         _renderProxy: function() {
 470
 471                 var el = this.element, o = this.options;
 472                 this.elementOffset = el.offset();
 473
 474                 if(this._helper) {
 475
 476                         this.helper = this.helper || $('<div style="overflow:hidden;"></div>');
 477
 478                         // fix ie6 offset TODO: This seems broken
 479                         var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
 480                         pxyoffset = ( ie6 ? 2 : -1 );
 481
 482                         this.helper.addClass(this._helper).css({
 483                                 width: this.element.outerWidth() + pxyoffset,
 484                                 height: this.element.outerHeight() + pxyoffset,
 485                                 position: 'absolute',
 486                                 left: this.elementOffset.left - ie6offset +'px',
 487                                 top: this.elementOffset.top - ie6offset +'px',
 488                                 zIndex: ++o.zIndex //TODO: Don't modify option
 489                         });
 490
 491                         this.helper
 492                                 .appendTo("body")
 493                                 .disableSelection();
 494
 495                 } else {
 496                         this.helper = this.element;
 497                 }
 498
 499         },
 500
 501         _change: {
 502                 e: function(event, dx, dy) {
 503                         return { width: this.originalSize.width + dx };
 504                 },
 505                 w: function(event, dx, dy) {
 506                         var o = this.options, cs = this.originalSize, sp = this.originalPosition;
 507                         return { left: sp.left + dx, width: cs.width - dx };
 508                 },
 509                 n: function(event, dx, dy) {
 510                         var o = this.options, cs = this.originalSize, sp = this.originalPosition;
 511                         return { top: sp.top + dy, height: cs.height - dy };
 512                 },
 513                 s: function(event, dx, dy) {
 514                         return { height: this.originalSize.height + dy };
 515                 },
 516                 se: function(event, dx, dy) {
 517                         return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
 518                 },
 519                 sw: function(event, dx, dy) {
 520                         return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
 521                 },
 522                 ne: function(event, dx, dy) {
 523                         return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
 524                 },
 525                 nw: function(event, dx, dy) {
 526                         return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
 527                 }
 528         },
 529
 530         _propagate: function(n, event) {
 531                 $.ui.plugin.call(this, n, [event, this.ui()]);
 532                 (n != "resize" && this._trigger(n, event, this.ui()));
 533         },
 534
 535         plugins: {},
 536
 537         ui: function() {
 538                 return {
 539                         originalElement: this.originalElement,
 540                         element: this.element,
 541                         helper: this.helper,
 542                         position: this.position,
 543                         size: this.size,
 544                         originalSize: this.originalSize,
 545                         originalPosition: this.originalPosition
 546                 };
 547         }
 548
 549 });
 550
 551 $.extend($.ui.resizable, {
 552         version: "1.8.16"
 553 });
 554
 555 /*
 556  * Resizable Extensions
 557  */
 558
 559 $.ui.plugin.add("resizable", "alsoResize", {
 560
 561         start: function (event, ui) {
 562                 var self = $(this).data("resizable"), o = self.options;
 563
 564                 var _store = function (exp) {
 565                         $(exp).each(function() {
 566                                 var el = $(this);
 567                                 el.data("resizable-alsoresize", {
 568                                         width: parseInt(el.width(), 10), height: parseInt(el.height(), 10),
 569                                         left: parseInt(el.css('left'), 10), top: parseInt(el.css('top'), 10),
 570                                         position: el.css('position') // to reset Opera on stop()
 571                                 });
 572                         });
 573                 };
 574
 575                 if (typeof(o.alsoResize) == 'object' && !o.alsoResize.parentNode) {
 576                         if (o.alsoResize.length) { o.alsoResize = o.alsoResize[0]; _store(o.alsoResize); }
 577                         else { $.each(o.alsoResize, function (exp) { _store(exp); }); }
 578                 }else{
 579                         _store(o.alsoResize);
 580                 }
 581         },
 582
 583         resize: function (event, ui) {
 584                 var self = $(this).data("resizable"), o = self.options, os = self.originalSize, op = self.originalPosition;
 585
 586                 var delta = {
 587                         height: (self.size.height - os.height) || 0, width: (self.size.width - os.width) || 0,
 588                         top: (self.position.top - op.top) || 0, left: (self.position.left - op.left) || 0
 589                 },
 590
 591                 _alsoResize = function (exp, c) {
 592                         $(exp).each(function() {
 593                                 var el = $(this), start = $(this).data("resizable-alsoresize"), style = {},
 594                                         css = c && c.length ? c : el.parents(ui.originalElement[0]).length ? ['width', 'height'] : ['width', 'height', 'top', 'left'];
 595
 596                                 $.each(css, function (i, prop) {
 597                                         var sum = (start[prop]||0) + (delta[prop]||0);
 598                                         if (sum && sum >= 0)
 599                                                 style[prop] = sum || null;
 600                                 });
 601
 602                                 // Opera fixing relative position
 603                                 if ($.browser.opera && /relative/.test(el.css('position'))) {
 604                                         self._revertToRelativePosition = true;
 605                                         el.css({ position: 'absolute', top: 'auto', left: 'auto' });
 606                                 }
 607
 608                                 el.css(style);
 609                         });
 610                 };
 611
 612                 if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
 613                         $.each(o.alsoResize, function (exp, c) { _alsoResize(exp, c); });
 614                 }else{
 615                         _alsoResize(o.alsoResize);
 616                 }
 617         },
 618
 619         stop: function (event, ui) {
 620                 var self = $(this).data("resizable"), o = self.options;
 621
 622                 var _reset = function (exp) {
 623                         $(exp).each(function() {
 624                                 var el = $(this);
 625                                 // reset position for Opera - no need to verify it was changed
 626                                 el.css({ position: el.data("resizable-alsoresize").position });
 627                         });
 628                 };
 629
 630                 if (self._revertToRelativePosition) {
 631                         self._revertToRelativePosition = false;
 632                         if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
 633                                 $.each(o.alsoResize, function (exp) { _reset(exp); });
 634                         }else{
 635                                 _reset(o.alsoResize);
 636                         }
 637                 }
 638
 639                 $(this).removeData("resizable-alsoresize");
 640         }
 641 });
 642
 643 $.ui.plugin.add("resizable", "animate", {
 644
 645         stop: function(event, ui) {
 646                 var self = $(this).data("resizable"), o = self.options;
 647
 648                 var pr = self._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
 649                                         soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
 650                                                 soffsetw = ista ? 0 : self.sizeDiff.width;
 651
 652                 var style = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
 653                                         left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
 654                                                 top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
 655
 656                 self.element.animate(
 657                         $.extend(style, top && left ? { top: top, left: left } : {}), {
 658                                 duration: o.animateDuration,
 659                                 easing: o.animateEasing,
 660                                 step: function() {
 661
 662                                         var data = {
 663                                                 width: parseInt(self.element.css('width'), 10),
 664                                                 height: parseInt(self.element.css('height'), 10),
 665                                                 top: parseInt(self.element.css('top'), 10),
 666                                                 left: parseInt(self.element.css('left'), 10)
 667                                         };
 668
 669                                         if (pr && pr.length) $(pr[0]).css({ width: data.width, height: data.height });
 670
 671                                         // propagating resize, and updating values for each animation step
 672                                         self._updateCache(data);
 673                                         self._propagate("resize", event);
 674
 675                                 }
 676                         }
 677                 );
 678         }
 679
 680 });
 681
 682 $.ui.plugin.add("resizable", "containment", {
 683
 684         start: function(event, ui) {
 685                 var self = $(this).data("resizable"), o = self.options, el = self.element;
 686                 var oc = o.containment, ce = (oc instanceof $) ? oc.get(0) : (/parent/.test(oc)) ? el.parent().get(0) : oc;
 687                 if (!ce) return;
 688
 689                 self.containerElement = $(ce);
 690
 691                 if (/document/.test(oc) || oc == document) {
 692                         self.containerOffset = { left: 0, top: 0 };
 693                         self.containerPosition = { left: 0, top: 0 };
 694
 695                         self.parentData = {
 696                                 element: $(document), left: 0, top: 0,
 697                                 width: $(document).width(), height: $(document).height() || document.body.parentNode.scrollHeight
 698                         };
 699                 }
 700
 701                 // i'm a node, so compute top, left, right, bottom
 702                 else {
 703                         var element = $(ce), p = [];
 704                         $([ "Top", "Right", "Left", "Bottom" ]).each(function(i, name) { p[i] = num(element.css("padding" + name)); });
 705
 706                         self.containerOffset = element.offset();
 707                         self.containerPosition = element.position();
 708                         self.containerSize = { height: (element.innerHeight() - p[3]), width: (element.innerWidth() - p[1]) };
 709
 710                         var co = self.containerOffset, ch = self.containerSize.height,  cw = self.containerSize.width,
 711                                                 width = ($.ui.hasScroll(ce, "left") ? ce.scrollWidth : cw ), height = ($.ui.hasScroll(ce) ? ce.scrollHeight : ch);
 712
 713                         self.parentData = {
 714                                 element: ce, left: co.left, top: co.top, width: width, height: height
 715                         };
 716                 }
 717         },
 718
 719         resize: function(event, ui) {
 720                 var self = $(this).data("resizable"), o = self.options,
 721                                 ps = self.containerSize, co = self.containerOffset, cs = self.size, cp = self.position,
 722                                 pRatio = self._aspectRatio || event.shiftKey, cop = { top:0, left:0 }, ce = self.containerElement;
 723
 724                 if (ce[0] != document && (/static/).test(ce.css('position'))) cop = co;
 725
 726                 if (cp.left < (self._helper ? co.left : 0)) {
 727                         self.size.width = self.size.width + (self._helper ? (self.position.left - co.left) : (self.position.left - cop.left));
 728                         if (pRatio) self.size.height = self.size.width / o.aspectRatio;
 729                         self.position.left = o.helper ? co.left : 0;
 730                 }
 731
 732                 if (cp.top < (self._helper ? co.top : 0)) {
 733                         self.size.height = self.size.height + (self._helper ? (self.position.top - co.top) : self.position.top);
 734                         if (pRatio) self.size.width = self.size.height * o.aspectRatio;
 735                         self.position.top = self._helper ? co.top : 0;
 736                 }
 737
 738                 self.offset.left = self.parentData.left+self.position.left;
 739                 self.offset.top = self.parentData.top+self.position.top;
 740
 741                 var woset = Math.abs( (self._helper ? self.offset.left - cop.left : (self.offset.left - cop.left)) + self.sizeDiff.width ),
 742                                         hoset = Math.abs( (self._helper ? self.offset.top - cop.top : (self.offset.top - co.top)) + self.sizeDiff.height );
 743
 744                 var isParent = self.containerElement.get(0) == self.element.parent().get(0),
 745                     isOffsetRelative = /relative|absolute/.test(self.containerElement.css('position'));
 746
 747                 if(isParent && isOffsetRelative) woset -= self.parentData.left;
 748
 749                 if (woset + self.size.width >= self.parentData.width) {
 750                         self.size.width = self.parentData.width - woset;
 751                         if (pRatio) self.size.height = self.size.width / self.aspectRatio;
 752                 }
 753
 754                 if (hoset + self.size.height >= self.parentData.height) {
 755                         self.size.height = self.parentData.height - hoset;
 756                         if (pRatio) self.size.width = self.size.height * self.aspectRatio;
 757                 }
 758         },
 759
 760         stop: function(event, ui){
 761                 var self = $(this).data("resizable"), o = self.options, cp = self.position,
 762                                 co = self.containerOffset, cop = self.containerPosition, ce = self.containerElement;
 763
 764                 var helper = $(self.helper), ho = helper.offset(), w = helper.outerWidth() - self.sizeDiff.width, h = helper.outerHeight() - self.sizeDiff.height;
 765
 766                 if (self._helper && !o.animate && (/relative/).test(ce.css('position')))
 767                         $(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
 768
 769                 if (self._helper && !o.animate && (/static/).test(ce.css('position')))
 770                         $(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
 771
 772         }
 773 });
 774
 775 $.ui.plugin.add("resizable", "ghost", {
 776
 777         start: function(event, ui) {
 778
 779                 var self = $(this).data("resizable"), o = self.options, cs = self.size;
 780
 781                 self.ghost = self.originalElement.clone();
 782                 self.ghost
 783                         .css({ opacity: .25, display: 'block', position: 'relative', height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 })
 784                         .addClass('ui-resizable-ghost')
 785                         .addClass(typeof o.ghost == 'string' ? o.ghost : '');
 786
 787                 self.ghost.appendTo(self.helper);
 788
 789         },
 790
 791         resize: function(event, ui){
 792                 var self = $(this).data("resizable"), o = self.options;
 793                 if (self.ghost) self.ghost.css({ position: 'relative', height: self.size.height, width: self.size.width });
 794         },
 795
 796         stop: function(event, ui){
 797                 var self = $(this).data("resizable"), o = self.options;
 798                 if (self.ghost && self.helper) self.helper.get(0).removeChild(self.ghost.get(0));
 799         }
 800
 801 });
 802
 803 $.ui.plugin.add("resizable", "grid", {
 804
 805         resize: function(event, ui) {
 806                 var self = $(this).data("resizable"), o = self.options, cs = self.size, os = self.originalSize, op = self.originalPosition, a = self.axis, ratio = o._aspectRatio || event.shiftKey;
 807                 o.grid = typeof o.grid == "number" ? [o.grid, o.grid] : o.grid;
 808                 var ox = Math.round((cs.width - os.width) / (o.grid[0]||1)) * (o.grid[0]||1), oy = Math.round((cs.height - os.height) / (o.grid[1]||1)) * (o.grid[1]||1);
 809
 810                 if (/^(se|s|e)$/.test(a)) {
 811                         self.size.width = os.width + ox;
 812                         self.size.height = os.height + oy;
 813                 }
 814                 else if (/^(ne)$/.test(a)) {
 815                         self.size.width = os.width + ox;
 816                         self.size.height = os.height + oy;
 817                         self.position.top = op.top - oy;
 818                 }
 819                 else if (/^(sw)$/.test(a)) {
 820                         self.size.width = os.width + ox;
 821                         self.size.height = os.height + oy;
 822                         self.position.left = op.left - ox;
 823                 }
 824                 else {
 825                         self.size.width = os.width + ox;
 826                         self.size.height = os.height + oy;
 827                         self.position.top = op.top - oy;
 828                         self.position.left = op.left - ox;
 829                 }
 830         }
 831
 832 });
 833
 834 var num = function(v) {
 835         return parseInt(v, 10) || 0;
 836 };
 837
 838 var isNumber = function(value) {
 839         return !isNaN(parseInt(value, 10));
 840 };
 841
 842 })(jQuery);