js2/mwEmbed/jquery/jquery.ui/ui/ui.resizable.js

   1 /*
   2  * jQuery UI Resizable 1.7.1
   3  *
   4  * Copyright (c) 2009 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  *      ui.core.js
  12  */
  13 (function($) {
  14
  15 $.widget("ui.resizable", $.extend({}, $.ui.mouse, {
  16
  17         _init: function() {
  18
  19                 var self = this, o = this.options;
  20                 this.element.addClass("ui-resizable");
  21
  22                 $.extend(this, {
  23                         _aspectRatio: !!(o.aspectRatio),
  24                         aspectRatio: o.aspectRatio,
  25                         originalElement: this.element,
  26                         _proportionallyResizeElements: [],
  27                         _helper: o.helper || o.ghost || o.animate ? o.helper || 'ui-resizable-helper' : null
  28                 });
  29
  30                 //Wrap the element if it cannot hold child nodes
  31                 if(this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)) {
  32
  33                         //Opera fix for relative positioning
  34                         if (/relative/.test(this.element.css('position')) && $.browser.opera)
  35                                 this.element.css({ position: 'relative', top: 'auto', left: 'auto' });
  36
  37                         //Create a wrapper element and set the wrapper to the new current internal element
  38                         this.element.wrap(
  39                                 $('<div class="ui-wrapper" style="overflow: hidden;"></div>').css({
  40                                         position: this.element.css('position'),
  41                                         width: this.element.outerWidth(),
  42                                         height: this.element.outerHeight(),
  43                                         top: this.element.css('top'),
  44                                         left: this.element.css('left')
  45                                 })
  46                         );
  47
  48                         //Overwrite the original this.element
  49                         this.element = this.element.parent().data(
  50                                 "resizable", this.element.data('resizable')
  51                         );
  52
  53                         this.elementIsWrapper = true;
  54
  55                         //Move margins to the wrapper
  56                         this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") });
  57                         this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});
  58
  59                         //Prevent Safari textarea resize
  60                         this.originalResizeStyle = this.originalElement.css('resize');
  61                         this.originalElement.css('resize', 'none');
  62
  63                         //Push the actual element to our proportionallyResize internal array
  64                         this._proportionallyResizeElements.push(this.originalElement.css({ position: 'static', zoom: 1, display: 'block' }));
  65
  66                         // avoid IE jump (hard set the margin)
  67                         this.originalElement.css({ margin: this.originalElement.css('margin') });
  68
  69                         // fix handlers offset
  70                         this._proportionallyResize();
  71
  72                 }
  73
  74                 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' });
  75                 if(this.handles.constructor == String) {
  76
  77                         if(this.handles == 'all') this.handles = 'n,e,s,w,se,sw,ne,nw';
  78                         var n = this.handles.split(","); this.handles = {};
  79
  80                         for(var i = 0; i < n.length; i++) {
  81
  82                                 var handle = $.trim(n[i]), hname = 'ui-resizable-'+handle;
  83                                 var axis = $('<div class="ui-resizable-handle ' + hname + '"></div>');
  84
  85                                 // increase zIndex of sw, se, ne, nw axis
  86                                 //TODO : this modifies original option
  87                                 if(/sw|se|ne|nw/.test(handle)) axis.css({ zIndex: ++o.zIndex });
  88
  89                                 //TODO : What's going on here?
  90                                 if ('se' == handle) {
  91                                         axis.addClass('ui-icon ui-icon-gripsmall-diagonal-se');
  92                                 };
  93
  94                                 //Insert into internal handles object and append to element
  95                                 this.handles[handle] = '.ui-resizable-'+handle;
  96                                 this.element.append(axis);
  97                         }
  98
  99                 }
 100
 101                 this._renderAxis = function(target) {
 102
 103                         target = target || this.element;
 104
 105                         for(var i in this.handles) {
 106
 107                                 if(this.handles[i].constructor == String)
 108                                         this.handles[i] = $(this.handles[i], this.element).show();
 109
 110                                 //Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
 111                                 if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/textarea|input|select|button/i)) {
 112
 113                                         var axis = $(this.handles[i], this.element), padWrapper = 0;
 114
 115                                         //Checking the correct pad and border
 116                                         padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();
 117
 118                                         //The padding type i have to apply...
 119                                         var padPos = [ 'padding',
 120                                                 /ne|nw|n/.test(i) ? 'Top' :
 121                                                 /se|sw|s/.test(i) ? 'Bottom' :
 122                                                 /^e$/.test(i) ? 'Right' : 'Left' ].join("");
 123
 124                                         target.css(padPos, padWrapper);
 125
 126                                         this._proportionallyResize();
 127
 128                                 }
 129
 130                                 //TODO: What's that good for? There's not anything to be executed left
 131                                 if(!$(this.handles[i]).length)
 132                                         continue;
 133
 134                         }
 135                 };
 136
 137                 //TODO: make renderAxis a prototype function
 138                 this._renderAxis(this.element);
 139
 140                 this._handles = $('.ui-resizable-handle', this.element)
 141                         .disableSelection();
 142
 143                 //Matching axis name
 144                 this._handles.mouseover(function() {
 145                         if (!self.resizing) {
 146                                 if (this.className)
 147                                         var axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
 148                                 //Axis, default = se
 149                                 self.axis = axis && axis[1] ? axis[1] : 'se';
 150                         }
 151                 });
 152
 153                 //If we want to auto hide the elements
 154                 if (o.autoHide) {
 155                         this._handles.hide();
 156                         $(this.element)
 157                                 .addClass("ui-resizable-autohide")
 158                                 .hover(function() {
 159                                         $(this).removeClass("ui-resizable-autohide");
 160                                         self._handles.show();
 161                                 },
 162                                 function(){
 163                                         if (!self.resizing) {
 164                                                 $(this).addClass("ui-resizable-autohide");
 165                                                 self._handles.hide();
 166                                         }
 167                                 });
 168                 }
 169
 170                 //Initialize the mouse interaction
 171                 this._mouseInit();
 172
 173         },
 174
 175         destroy: function() {
 176
 177                 this._mouseDestroy();
 178
 179                 var _destroy = function(exp) {
 180                         $(exp).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing")
 181                                 .removeData("resizable").unbind(".resizable").find('.ui-resizable-handle').remove();
 182                 };
 183
 184                 //TODO: Unwrap at same DOM position
 185                 if (this.elementIsWrapper) {
 186                         _destroy(this.element);
 187                         var wrapper = this.element;
 188                         wrapper.parent().append(
 189                                 this.originalElement.css({
 190                                         position: wrapper.css('position'),
 191                                         width: wrapper.outerWidth(),
 192                                         height: wrapper.outerHeight(),
 193                                         top: wrapper.css('top'),
 194                                         left: wrapper.css('left')
 195                                 })
 196                         ).end().remove();
 197                 }
 198
 199                 this.originalElement.css('resize', this.originalResizeStyle);
 200                 _destroy(this.originalElement);
 201
 202         },
 203
 204         _mouseCapture: function(event) {
 205
 206                 var handle = false;
 207                 for(var i in this.handles) {
 208                         if($(this.handles[i])[0] == event.target) handle = true;
 209                 }
 210
 211                 return this.options.disabled || !!handle;
 212
 213         },
 214
 215         _mouseStart: function(event) {
 216
 217                 var o = this.options, iniPos = this.element.position(), el = this.element;
 218
 219                 this.resizing = true;
 220                 this.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };
 221
 222                 // bugfix for http://dev.jquery.com/ticket/1749
 223                 if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
 224                         el.css({ position: 'absolute', top: iniPos.top, left: iniPos.left });
 225                 }
 226
 227                 //Opera fixing relative position
 228                 if ($.browser.opera && (/relative/).test(el.css('position')))
 229                         el.css({ position: 'relative', top: 'auto', left: 'auto' });
 230
 231                 this._renderProxy();
 232
 233                 var curleft = num(this.helper.css('left')), curtop = num(this.helper.css('top'));
 234
 235                 if (o.containment) {
 236                         curleft += $(o.containment).scrollLeft() || 0;
 237                         curtop += $(o.containment).scrollTop() || 0;
 238                 }
 239
 240                 //Store needed variables
 241                 this.offset = this.helper.offset();
 242                 this.position = { left: curleft, top: curtop };
 243                 this.size = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
 244                 this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
 245                 this.originalPosition = { left: curleft, top: curtop };
 246                 this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
 247                 this.originalMousePosition = { left: event.pageX, top: event.pageY };
 248
 249                 //Aspect Ratio
 250                 this.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);
 251
 252                 var cursor = $('.ui-resizable-' + this.axis).css('cursor');
 253                 $('body').css('cursor', cursor == 'auto' ? this.axis + '-resize' : cursor);
 254
 255                 el.addClass("ui-resizable-resizing");
 256                 this._propagate("start", event);
 257                 return true;
 258         },
 259
 260         _mouseDrag: function(event) {
 261
 262                 //Increase performance, avoid regex
 263                 var el = this.helper, o = this.options, props = {},
 264                         self = this, smp = this.originalMousePosition, a = this.axis;
 265
 266                 var dx = (event.pageX-smp.left)||0, dy = (event.pageY-smp.top)||0;
 267                 var trigger = this._change[a];
 268                 if (!trigger) return false;
 269
 270                 // Calculate the attrs that will be change
 271                 var data = trigger.apply(this, [event, dx, dy]), ie6 = $.browser.msie && $.browser.version < 7, csdif = this.sizeDiff;
 272
 273                 if (this._aspectRatio || event.shiftKey)
 274                         data = this._updateRatio(data, event);
 275
 276                 data = this._respectSize(data, event);
 277
 278                 // plugins callbacks need to be called first
 279                 this._propagate("resize", event);
 280
 281                 el.css({
 282                         top: this.position.top + "px", left: this.position.left + "px",
 283                         width: this.size.width + "px", height: this.size.height + "px"
 284                 });
 285
 286                 if (!this._helper && this._proportionallyResizeElements.length)
 287                         this._proportionallyResize();
 288
 289                 this._updateCache(data);
 290
 291                 // calling the user callback at the end
 292                 this._trigger('resize', event, this.ui());
 293
 294                 return false;
 295         },
 296
 297         _mouseStop: function(event) {
 298
 299                 this.resizing = false;
 300                 var o = this.options, self = this;
 301
 302                 if(this._helper) {
 303                         var pr = this._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
 304                                                 soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
 305                                                         soffsetw = ista ? 0 : self.sizeDiff.width;
 306
 307                         var s = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
 308                                 left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
 309                                 top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
 310
 311                         if (!o.animate)
 312                                 this.element.css($.extend(s, { top: top, left: left }));
 313
 314                         self.helper.height(self.size.height);
 315                         self.helper.width(self.size.width);
 316
 317                         if (this._helper && !o.animate) this._proportionallyResize();
 318                 }
 319
 320                 $('body').css('cursor', 'auto');
 321
 322                 this.element.removeClass("ui-resizable-resizing");
 323
 324                 this._propagate("stop", event);
 325
 326                 if (this._helper) this.helper.remove();
 327                 return false;
 328
 329         },
 330
 331         _updateCache: function(data) {
 332                 var o = this.options;
 333                 this.offset = this.helper.offset();
 334                 if (isNumber(data.left)) this.position.left = data.left;
 335                 if (isNumber(data.top)) this.position.top = data.top;
 336                 if (isNumber(data.height)) this.size.height = data.height;
 337                 if (isNumber(data.width)) this.size.width = data.width;
 338         },
 339
 340         _updateRatio: function(data, event) {
 341
 342                 var o = this.options, cpos = this.position, csize = this.size, a = this.axis;
 343
 344                 if (data.height) data.width = (csize.height * this.aspectRatio);
 345                 else if (data.width) data.height = (csize.width / this.aspectRatio);
 346
 347                 if (a == 'sw') {
 348                         data.left = cpos.left + (csize.width - data.width);
 349                         data.top = null;
 350                 }
 351                 if (a == 'nw') {
 352                         data.top = cpos.top + (csize.height - data.height);
 353                         data.left = cpos.left + (csize.width - data.width);
 354                 }
 355
 356                 return data;
 357         },
 358
 359         _respectSize: function(data, event) {
 360
 361                 var el = this.helper, o = this.options, pRatio = this._aspectRatio || event.shiftKey, a = this.axis,
 362                                 ismaxw = isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
 363                                         isminw = isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = isNumber(data.height) && o.minHeight && (o.minHeight > data.height);
 364
 365                 if (isminw) data.width = o.minWidth;
 366                 if (isminh) data.height = o.minHeight;
 367                 if (ismaxw) data.width = o.maxWidth;
 368                 if (ismaxh) data.height = o.maxHeight;
 369
 370                 var dw = this.originalPosition.left + this.originalSize.width, dh = this.position.top + this.size.height;
 371                 var cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);
 372
 373                 if (isminw && cw) data.left = dw - o.minWidth;
 374                 if (ismaxw && cw) data.left = dw - o.maxWidth;
 375                 if (isminh && ch)       data.top = dh - o.minHeight;
 376                 if (ismaxh && ch)       data.top = dh - o.maxHeight;
 377
 378                 // fixing jump error on top/left - bug #2330
 379                 var isNotwh = !data.width && !data.height;
 380                 if (isNotwh && !data.left && data.top) data.top = null;
 381                 else if (isNotwh && !data.top && data.left) data.left = null;
 382
 383                 return data;
 384         },
 385
 386         _proportionallyResize: function() {
 387
 388                 var o = this.options;
 389                 if (!this._proportionallyResizeElements.length) return;
 390                 var element = this.helper || this.element;
 391
 392                 for (var i=0; i < this._proportionallyResizeElements.length; i++) {
 393
 394                         var prel = this._proportionallyResizeElements[i];
 395
 396                         if (!this.borderDif) {
 397                                 var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
 398                                         p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];
 399
 400                                 this.borderDif = $.map(b, function(v, i) {
 401                                         var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
 402                                         return border + padding;
 403                                 });
 404                         }
 405
 406                         if ($.browser.msie && !(!($(element).is(':hidden') || $(element).parents(':hidden').length)))
 407                                 continue;
 408
 409                         prel.css({
 410                                 height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
 411                                 width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
 412                         });
 413
 414                 };
 415
 416         },
 417
 418         _renderProxy: function() {
 419
 420                 var el = this.element, o = this.options;
 421                 this.elementOffset = el.offset();
 422
 423                 if(this._helper) {
 424
 425                         this.helper = this.helper || $('<div style="overflow:hidden;"></div>');
 426
 427                         // fix ie6 offset TODO: This seems broken
 428                         var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
 429                         pxyoffset = ( ie6 ? 2 : -1 );
 430
 431                         this.helper.addClass(this._helper).css({
 432                                 width: this.element.outerWidth() + pxyoffset,
 433                                 height: this.element.outerHeight() + pxyoffset,
 434                                 position: 'absolute',
 435                                 left: this.elementOffset.left - ie6offset +'px',
 436                                 top: this.elementOffset.top - ie6offset +'px',
 437                                 zIndex: ++o.zIndex //TODO: Don't modify option
 438                         });
 439
 440                         this.helper
 441                                 .appendTo("body")
 442                                 .disableSelection();
 443
 444                 } else {
 445                         this.helper = this.element;
 446                 }
 447
 448         },
 449
 450         _change: {
 451                 e: function(event, dx, dy) {
 452                         return { width: this.originalSize.width + dx };
 453                 },
 454                 w: function(event, dx, dy) {
 455                         var o = this.options, cs = this.originalSize, sp = this.originalPosition;
 456                         return { left: sp.left + dx, width: cs.width - dx };
 457                 },
 458                 n: function(event, dx, dy) {
 459                         var o = this.options, cs = this.originalSize, sp = this.originalPosition;
 460                         return { top: sp.top + dy, height: cs.height - dy };
 461                 },
 462                 s: function(event, dx, dy) {
 463                         return { height: this.originalSize.height + dy };
 464                 },
 465                 se: function(event, dx, dy) {
 466                         return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
 467                 },
 468                 sw: function(event, dx, dy) {
 469                         return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
 470                 },
 471                 ne: function(event, dx, dy) {
 472                         return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
 473                 },
 474                 nw: function(event, dx, dy) {
 475                         return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
 476                 }
 477         },
 478
 479         _propagate: function(n, event) {
 480                 $.ui.plugin.call(this, n, [event, this.ui()]);
 481                 (n != "resize" && this._trigger(n, event, this.ui()));
 482         },
 483
 484         plugins: {},
 485
 486         ui: function() {
 487                 return {
 488                         originalElement: this.originalElement,
 489                         element: this.element,
 490                         helper: this.helper,
 491                         position: this.position,
 492                         size: this.size,
 493                         originalSize: this.originalSize,
 494                         originalPosition: this.originalPosition
 495                 };
 496         }
 497
 498 }));
 499
 500 $.extend($.ui.resizable, {
 501         version: "1.7.1",
 502         eventPrefix: "resize",
 503         defaults: {
 504                 alsoResize: false,
 505                 animate: false,
 506                 animateDuration: "slow",
 507                 animateEasing: "swing",
 508                 aspectRatio: false,
 509                 autoHide: false,
 510                 cancel: ":input,option",
 511                 containment: false,
 512                 delay: 0,
 513                 distance: 1,
 514                 ghost: false,
 515                 grid: false,
 516                 handles: "e,s,se",
 517                 helper: false,
 518                 maxHeight: null,
 519                 maxWidth: null,
 520                 minHeight: 10,
 521                 minWidth: 10,
 522                 zIndex: 1000
 523         }
 524 });
 525
 526 /*
 527  * Resizable Extensions
 528  */
 529
 530 $.ui.plugin.add("resizable", "alsoResize", {
 531
 532         start: function(event, ui) {
 533
 534                 var self = $(this).data("resizable"), o = self.options;
 535
 536                 _store = function(exp) {
 537                         $(exp).each(function() {
 538                                 $(this).data("resizable-alsoresize", {
 539                                         width: parseInt($(this).width(), 10), height: parseInt($(this).height(), 10),
 540                                         left: parseInt($(this).css('left'), 10), top: parseInt($(this).css('top'), 10)
 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, c) { _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 = {}, css = c && c.length ? c : ['width', 'height', 'top', 'left'];
 564
 565                                 $.each(css || ['width', 'height', 'top', 'left'], function(i, prop) {
 566                                         var sum = (start[prop]||0) + (delta[prop]||0);
 567                                         if (sum && sum >= 0)
 568                                                 style[prop] = sum || null;
 569                                 });
 570
 571                                 //Opera fixing relative position
 572                                 if (/relative/.test(el.css('position')) && $.browser.opera) {
 573                                         self._revertToRelativePosition = true;
 574                                         el.css({ position: 'absolute', top: 'auto', left: 'auto' });
 575                                 }
 576
 577                                 el.css(style);
 578                         });
 579                 };
 580
 581                 if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
 582                         $.each(o.alsoResize, function(exp, c) { _alsoResize(exp, c); });
 583                 }else{
 584                         _alsoResize(o.alsoResize);
 585                 }
 586         },
 587
 588         stop: function(event, ui){
 589                 var self = $(this).data("resizable");
 590
 591                 //Opera fixing relative position
 592                 if (self._revertToRelativePosition && $.browser.opera) {
 593                         self._revertToRelativePosition = false;
 594                         el.css({ position: 'relative' });
 595                 }
 596
 597                 $(this).removeData("resizable-alsoresize-start");
 598         }
 599 });
 600
 601 $.ui.plugin.add("resizable", "animate", {
 602
 603         stop: function(event, ui) {
 604                 var self = $(this).data("resizable"), o = self.options;
 605
 606                 var pr = self._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
 607                                         soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
 608                                                 soffsetw = ista ? 0 : self.sizeDiff.width;
 609
 610                 var style = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
 611                                         left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
 612                                                 top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
 613
 614                 self.element.animate(
 615                         $.extend(style, top && left ? { top: top, left: left } : {}), {
 616                                 duration: o.animateDuration,
 617                                 easing: o.animateEasing,
 618                                 step: function() {
 619
 620                                         var data = {
 621                                                 width: parseInt(self.element.css('width'), 10),
 622                                                 height: parseInt(self.element.css('height'), 10),
 623                                                 top: parseInt(self.element.css('top'), 10),
 624                                                 left: parseInt(self.element.css('left'), 10)
 625                                         };
 626
 627                                         if (pr && pr.length) $(pr[0]).css({ width: data.width, height: data.height });
 628
 629                                         // propagating resize, and updating values for each animation step
 630                                         self._updateCache(data);
 631                                         self._propagate("resize", event);
 632
 633                                 }
 634                         }
 635                 );
 636         }
 637
 638 });
 639
 640 $.ui.plugin.add("resizable", "containment", {
 641
 642         start: function(event, ui) {
 643                 var self = $(this).data("resizable"), o = self.options, el = self.element;
 644                 var oc = o.containment, ce = (oc instanceof $) ? oc.get(0) : (/parent/.test(oc)) ? el.parent().get(0) : oc;
 645                 if (!ce) return;
 646
 647                 self.containerElement = $(ce);
 648
 649                 if (/document/.test(oc) || oc == document) {
 650                         self.containerOffset = { left: 0, top: 0 };
 651                         self.containerPosition = { left: 0, top: 0 };
 652
 653                         self.parentData = {
 654                                 element: $(document), left: 0, top: 0,
 655                                 width: $(document).width(), height: $(document).height() || document.body.parentNode.scrollHeight
 656                         };
 657                 }
 658
 659                 // i'm a node, so compute top, left, right, bottom
 660                 else {
 661                         var element = $(ce), p = [];
 662                         $([ "Top", "Right", "Left", "Bottom" ]).each(function(i, name) { p[i] = num(element.css("padding" + name)); });
 663
 664                         self.containerOffset = element.offset();
 665                         self.containerPosition = element.position();
 666                         self.containerSize = { height: (element.innerHeight() - p[3]), width: (element.innerWidth() - p[1]) };
 667
 668                         var co = self.containerOffset, ch = self.containerSize.height,  cw = self.containerSize.width,
 669                                                 width = ($.ui.hasScroll(ce, "left") ? ce.scrollWidth : cw ), height = ($.ui.hasScroll(ce) ? ce.scrollHeight : ch);
 670
 671                         self.parentData = {
 672                                 element: ce, left: co.left, top: co.top, width: width, height: height
 673                         };
 674                 }
 675         },
 676
 677         resize: function(event, ui) {
 678                 var self = $(this).data("resizable"), o = self.options,
 679                                 ps = self.containerSize, co = self.containerOffset, cs = self.size, cp = self.position,
 680                                 pRatio = self._aspectRatio || event.shiftKey, cop = { top:0, left:0 }, ce = self.containerElement;
 681
 682                 if (ce[0] != document && (/static/).test(ce.css('position'))) cop = co;
 683
 684                 if (cp.left < (self._helper ? co.left : 0)) {
 685                         self.size.width = self.size.width + (self._helper ? (self.position.left - co.left) : (self.position.left - cop.left));
 686                         if (pRatio) self.size.height = self.size.width / o.aspectRatio;
 687                         self.position.left = o.helper ? co.left : 0;
 688                 }
 689
 690                 if (cp.top < (self._helper ? co.top : 0)) {
 691                         self.size.height = self.size.height + (self._helper ? (self.position.top - co.top) : self.position.top);
 692                         if (pRatio) self.size.width = self.size.height * o.aspectRatio;
 693                         self.position.top = self._helper ? co.top : 0;
 694                 }
 695
 696                 self.offset.left = self.parentData.left+self.position.left;
 697                 self.offset.top = self.parentData.top+self.position.top;
 698
 699                 var woset = Math.abs( (self._helper ? self.offset.left - cop.left : (self.offset.left - cop.left)) + self.sizeDiff.width ),
 700                                         hoset = Math.abs( (self._helper ? self.offset.top - cop.top : (self.offset.top - co.top)) + self.sizeDiff.height );
 701
 702                 var isParent = self.containerElement.get(0) == self.element.parent().get(0),
 703                         isOffsetRelative = /relative|absolute/.test(self.containerElement.css('position'));
 704
 705                 if(isParent && isOffsetRelative) woset -= self.parentData.left;
 706
 707                 if (woset + self.size.width >= self.parentData.width) {
 708                         self.size.width = self.parentData.width - woset;
 709                         if (pRatio) self.size.height = self.size.width / self.aspectRatio;
 710                 }
 711
 712                 if (hoset + self.size.height >= self.parentData.height) {
 713                         self.size.height = self.parentData.height - hoset;
 714                         if (pRatio) self.size.width = self.size.height * self.aspectRatio;
 715                 }
 716         },
 717
 718         stop: function(event, ui){
 719                 var self = $(this).data("resizable"), o = self.options, cp = self.position,
 720                                 co = self.containerOffset, cop = self.containerPosition, ce = self.containerElement;
 721
 722                 var helper = $(self.helper), ho = helper.offset(), w = helper.outerWidth() - self.sizeDiff.width, h = helper.outerHeight() - self.sizeDiff.height;
 723
 724                 if (self._helper && !o.animate && (/relative/).test(ce.css('position')))
 725                         $(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
 726
 727                 if (self._helper && !o.animate && (/static/).test(ce.css('position')))
 728                         $(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
 729
 730         }
 731 });
 732
 733 $.ui.plugin.add("resizable", "ghost", {
 734
 735         start: function(event, ui) {
 736
 737                 var self = $(this).data("resizable"), o = self.options, cs = self.size;
 738
 739                 self.ghost = self.originalElement.clone();
 740                 self.ghost
 741                         .css({ opacity: .25, display: 'block', position: 'relative', height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 })
 742                         .addClass('ui-resizable-ghost')
 743                         .addClass(typeof o.ghost == 'string' ? o.ghost : '');
 744
 745                 self.ghost.appendTo(self.helper);
 746
 747         },
 748
 749         resize: function(event, ui){
 750                 var self = $(this).data("resizable"), o = self.options;
 751                 if (self.ghost) self.ghost.css({ position: 'relative', height: self.size.height, width: self.size.width });
 752         },
 753
 754         stop: function(event, ui){
 755                 var self = $(this).data("resizable"), o = self.options;
 756                 if (self.ghost && self.helper) self.helper.get(0).removeChild(self.ghost.get(0));
 757         }
 758
 759 });
 760
 761 $.ui.plugin.add("resizable", "grid", {
 762
 763         resize: function(event, ui) {
 764                 var self = $(this).data("resizable"), o = self.options, cs = self.size, os = self.originalSize, op = self.originalPosition, a = self.axis, ratio = o._aspectRatio || event.shiftKey;
 765                 o.grid = typeof o.grid == "number" ? [o.grid, o.grid] : o.grid;
 766                 var ox = Math.round((cs.width - os.width) / (o.grid[0]||1)) * (o.grid[0]||1), oy = Math.round((cs.height - os.height) / (o.grid[1]||1)) * (o.grid[1]||1);
 767
 768                 if (/^(se|s|e)$/.test(a)) {
 769                         self.size.width = os.width + ox;
 770                         self.size.height = os.height + oy;
 771                 }
 772                 else if (/^(ne)$/.test(a)) {
 773                         self.size.width = os.width + ox;
 774                         self.size.height = os.height + oy;
 775                         self.position.top = op.top - oy;
 776                 }
 777                 else if (/^(sw)$/.test(a)) {
 778                         self.size.width = os.width + ox;
 779                         self.size.height = os.height + oy;
 780                         self.position.left = op.left - ox;
 781                 }
 782                 else {
 783                         self.size.width = os.width + ox;
 784                         self.size.height = os.height + oy;
 785                         self.position.top = op.top - oy;
 786                         self.position.left = op.left - ox;
 787                 }
 788         }
 789
 790 });
 791
 792 var num = function(v) {
 793         return parseInt(v, 10) || 0;
 794 };
 795
 796 var isNumber = function(value) {
 797         return !isNaN(parseInt(value, 10));
 798 };
 799
 800 })(jQuery);