resources/jquery.ui/jquery.ui.resizable.js

   1 /*!
   2  * jQuery UI Resizable 1.8.21
   3  *
   4  * Copyright 2012, 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                         //Create a wrapper element and set the wrapper to the new current internal element
  54                         this.element.wrap(
  55                                 $('<div class="ui-wrapper" style="overflow: hidden;"></div>').css({
  56                                         position: this.element.css('position'),
  57                                         width: this.element.outerWidth(),
  58                                         height: this.element.outerHeight(),
  59                                         top: this.element.css('top'),
  60                                         left: this.element.css('left')
  61                                 })
  62                         );
  63
  64                         //Overwrite the original this.element
  65                         this.element = this.element.parent().data(
  66                                 "resizable", this.element.data('resizable')
  67                         );
  68
  69                         this.elementIsWrapper = true;
  70
  71                         //Move margins to the wrapper
  72                         this.element.css({ marginLeft: this.originalElement.css("marginLeft"), marginTop: this.originalElement.css("marginTop"), marginRight: this.originalElement.css("marginRight"), marginBottom: this.originalElement.css("marginBottom") });
  73                         this.originalElement.css({ marginLeft: 0, marginTop: 0, marginRight: 0, marginBottom: 0});
  74
  75                         //Prevent Safari textarea resize
  76                         this.originalResizeStyle = this.originalElement.css('resize');
  77                         this.originalElement.css('resize', 'none');
  78
  79                         //Push the actual element to our proportionallyResize internal array
  80                         this._proportionallyResizeElements.push(this.originalElement.css({ position: 'static', zoom: 1, display: 'block' }));
  81
  82                         // avoid IE jump (hard set the margin)
  83                         this.originalElement.css({ margin: this.originalElement.css('margin') });
  84
  85                         // fix handlers offset
  86                         this._proportionallyResize();
  87
  88                 }
  89
  90                 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' });
  91                 if(this.handles.constructor == String) {
  92
  93                         if(this.handles == 'all') this.handles = 'n,e,s,w,se,sw,ne,nw';
  94                         var n = this.handles.split(","); this.handles = {};
  95
  96                         for(var i = 0; i < n.length; i++) {
  97
  98                                 var handle = $.trim(n[i]), hname = 'ui-resizable-'+handle;
  99                                 var axis = $('<div class="ui-resizable-handle ' + hname + '"></div>');
 100
 101                                 // Apply zIndex to all handles - see #7960
 102                                 axis.css({ zIndex: o.zIndex });
 103
 104                                 //TODO : What's going on here?
 105                                 if ('se' == handle) {
 106                                         axis.addClass('ui-icon ui-icon-gripsmall-diagonal-se');
 107                                 };
 108
 109                                 //Insert into internal handles object and append to element
 110                                 this.handles[handle] = '.ui-resizable-'+handle;
 111                                 this.element.append(axis);
 112                         }
 113
 114                 }
 115
 116                 this._renderAxis = function(target) {
 117
 118                         target = target || this.element;
 119
 120                         for(var i in this.handles) {
 121
 122                                 if(this.handles[i].constructor == String)
 123                                         this.handles[i] = $(this.handles[i], this.element).show();
 124
 125                                 //Apply pad to wrapper element, needed to fix axis position (textarea, inputs, scrolls)
 126                                 if (this.elementIsWrapper && this.originalElement[0].nodeName.match(/textarea|input|select|button/i)) {
 127
 128                                         var axis = $(this.handles[i], this.element), padWrapper = 0;
 129
 130                                         //Checking the correct pad and border
 131                                         padWrapper = /sw|ne|nw|se|n|s/.test(i) ? axis.outerHeight() : axis.outerWidth();
 132
 133                                         //The padding type i have to apply...
 134                                         var padPos = [ 'padding',
 135                                                 /ne|nw|n/.test(i) ? 'Top' :
 136                                                 /se|sw|s/.test(i) ? 'Bottom' :
 137                                                 /^e$/.test(i) ? 'Right' : 'Left' ].join("");
 138
 139                                         target.css(padPos, padWrapper);
 140
 141                                         this._proportionallyResize();
 142
 143                                 }
 144
 145                                 //TODO: What's that good for? There's not anything to be executed left
 146                                 if(!$(this.handles[i]).length)
 147                                         continue;
 148
 149                         }
 150                 };
 151
 152                 //TODO: make renderAxis a prototype function
 153                 this._renderAxis(this.element);
 154
 155                 this._handles = $('.ui-resizable-handle', this.element)
 156                         .disableSelection();
 157
 158                 //Matching axis name
 159                 this._handles.mouseover(function() {
 160                         if (!self.resizing) {
 161                                 if (this.className)
 162                                         var axis = this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i);
 163                                 //Axis, default = se
 164                                 self.axis = axis && axis[1] ? axis[1] : 'se';
 165                         }
 166                 });
 167
 168                 //If we want to auto hide the elements
 169                 if (o.autoHide) {
 170                         this._handles.hide();
 171                         $(this.element)
 172                                 .addClass("ui-resizable-autohide")
 173                                 .hover(function() {
 174                                         if (o.disabled) return;
 175                                         $(this).removeClass("ui-resizable-autohide");
 176                                         self._handles.show();
 177                                 },
 178                                 function(){
 179                                         if (o.disabled) return;
 180                                         if (!self.resizing) {
 181                                                 $(this).addClass("ui-resizable-autohide");
 182                                                 self._handles.hide();
 183                                         }
 184                                 });
 185                 }
 186
 187                 //Initialize the mouse interaction
 188                 this._mouseInit();
 189
 190         },
 191
 192         destroy: function() {
 193
 194                 this._mouseDestroy();
 195
 196                 var _destroy = function(exp) {
 197                         $(exp).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing")
 198                                 .removeData("resizable").unbind(".resizable").find('.ui-resizable-handle').remove();
 199                 };
 200
 201                 //TODO: Unwrap at same DOM position
 202                 if (this.elementIsWrapper) {
 203                         _destroy(this.element);
 204                         var wrapper = this.element;
 205                         wrapper.after(
 206                                 this.originalElement.css({
 207                                         position: wrapper.css('position'),
 208                                         width: wrapper.outerWidth(),
 209                                         height: wrapper.outerHeight(),
 210                                         top: wrapper.css('top'),
 211                                         left: wrapper.css('left')
 212                                 })
 213                         ).remove();
 214                 }
 215
 216                 this.originalElement.css('resize', this.originalResizeStyle);
 217                 _destroy(this.originalElement);
 218
 219                 return this;
 220         },
 221
 222         _mouseCapture: function(event) {
 223                 var handle = false;
 224                 for (var i in this.handles) {
 225                         if ($(this.handles[i])[0] == event.target) {
 226                                 handle = true;
 227                         }
 228                 }
 229
 230                 return !this.options.disabled && handle;
 231         },
 232
 233         _mouseStart: function(event) {
 234
 235                 var o = this.options, iniPos = this.element.position(), el = this.element;
 236
 237                 this.resizing = true;
 238                 this.documentScroll = { top: $(document).scrollTop(), left: $(document).scrollLeft() };
 239
 240                 // bugfix for http://dev.jquery.com/ticket/1749
 241                 if (el.is('.ui-draggable') || (/absolute/).test(el.css('position'))) {
 242                         el.css({ position: 'absolute', top: iniPos.top, left: iniPos.left });
 243                 }
 244
 245                 this._renderProxy();
 246
 247                 var curleft = num(this.helper.css('left')), curtop = num(this.helper.css('top'));
 248
 249                 if (o.containment) {
 250                         curleft += $(o.containment).scrollLeft() || 0;
 251                         curtop += $(o.containment).scrollTop() || 0;
 252                 }
 253
 254                 //Store needed variables
 255                 this.offset = this.helper.offset();
 256                 this.position = { left: curleft, top: curtop };
 257                 this.size = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
 258                 this.originalSize = this._helper ? { width: el.outerWidth(), height: el.outerHeight() } : { width: el.width(), height: el.height() };
 259                 this.originalPosition = { left: curleft, top: curtop };
 260                 this.sizeDiff = { width: el.outerWidth() - el.width(), height: el.outerHeight() - el.height() };
 261                 this.originalMousePosition = { left: event.pageX, top: event.pageY };
 262
 263                 //Aspect Ratio
 264                 this.aspectRatio = (typeof o.aspectRatio == 'number') ? o.aspectRatio : ((this.originalSize.width / this.originalSize.height) || 1);
 265
 266             var cursor = $('.ui-resizable-' + this.axis).css('cursor');
 267             $('body').css('cursor', cursor == 'auto' ? this.axis + '-resize' : cursor);
 268
 269                 el.addClass("ui-resizable-resizing");
 270                 this._propagate("start", event);
 271                 return true;
 272         },
 273
 274         _mouseDrag: function(event) {
 275
 276                 //Increase performance, avoid regex
 277                 var el = this.helper, o = this.options, props = {},
 278                         self = this, smp = this.originalMousePosition, a = this.axis;
 279
 280                 var dx = (event.pageX-smp.left)||0, dy = (event.pageY-smp.top)||0;
 281                 var trigger = this._change[a];
 282                 if (!trigger) return false;
 283
 284                 // Calculate the attrs that will be change
 285                 var data = trigger.apply(this, [event, dx, dy]), ie6 = $.browser.msie && $.browser.version < 7, csdif = this.sizeDiff;
 286
 287                 // Put this in the mouseDrag handler since the user can start pressing shift while resizing
 288                 this._updateVirtualBoundaries(event.shiftKey);
 289                 if (this._aspectRatio || event.shiftKey)
 290                         data = this._updateRatio(data, event);
 291
 292                 data = this._respectSize(data, event);
 293
 294                 // plugins callbacks need to be called first
 295                 this._propagate("resize", event);
 296
 297                 el.css({
 298                         top: this.position.top + "px", left: this.position.left + "px",
 299                         width: this.size.width + "px", height: this.size.height + "px"
 300                 });
 301
 302                 if (!this._helper && this._proportionallyResizeElements.length)
 303                         this._proportionallyResize();
 304
 305                 this._updateCache(data);
 306
 307                 // calling the user callback at the end
 308                 this._trigger('resize', event, this.ui());
 309
 310                 return false;
 311         },
 312
 313         _mouseStop: function(event) {
 314
 315                 this.resizing = false;
 316                 var o = this.options, self = this;
 317
 318                 if(this._helper) {
 319                         var pr = this._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
 320                                 soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
 321                                 soffsetw = ista ? 0 : self.sizeDiff.width;
 322
 323                         var s = { width: (self.helper.width()  - soffsetw), height: (self.helper.height() - soffseth) },
 324                                 left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
 325                                 top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
 326
 327                         if (!o.animate)
 328                                 this.element.css($.extend(s, { top: top, left: left }));
 329
 330                         self.helper.height(self.size.height);
 331                         self.helper.width(self.size.width);
 332
 333                         if (this._helper && !o.animate) this._proportionallyResize();
 334                 }
 335
 336                 $('body').css('cursor', 'auto');
 337
 338                 this.element.removeClass("ui-resizable-resizing");
 339
 340                 this._propagate("stop", event);
 341
 342                 if (this._helper) this.helper.remove();
 343                 return false;
 344
 345         },
 346
 347     _updateVirtualBoundaries: function(forceAspectRatio) {
 348         var o = this.options, pMinWidth, pMaxWidth, pMinHeight, pMaxHeight, b;
 349
 350         b = {
 351             minWidth: isNumber(o.minWidth) ? o.minWidth : 0,
 352             maxWidth: isNumber(o.maxWidth) ? o.maxWidth : Infinity,
 353             minHeight: isNumber(o.minHeight) ? o.minHeight : 0,
 354             maxHeight: isNumber(o.maxHeight) ? o.maxHeight : Infinity
 355         };
 356
 357         if(this._aspectRatio || forceAspectRatio) {
 358             // We want to create an enclosing box whose aspect ration is the requested one
 359             // First, compute the "projected" size for each dimension based on the aspect ratio and other dimension
 360             pMinWidth = b.minHeight * this.aspectRatio;
 361             pMinHeight = b.minWidth / this.aspectRatio;
 362             pMaxWidth = b.maxHeight * this.aspectRatio;
 363             pMaxHeight = b.maxWidth / this.aspectRatio;
 364
 365             if(pMinWidth > b.minWidth) b.minWidth = pMinWidth;
 366             if(pMinHeight > b.minHeight) b.minHeight = pMinHeight;
 367             if(pMaxWidth < b.maxWidth) b.maxWidth = pMaxWidth;
 368             if(pMaxHeight < b.maxHeight) b.maxHeight = pMaxHeight;
 369         }
 370         this._vBoundaries = b;
 371     },
 372
 373         _updateCache: function(data) {
 374                 var o = this.options;
 375                 this.offset = this.helper.offset();
 376                 if (isNumber(data.left)) this.position.left = data.left;
 377                 if (isNumber(data.top)) this.position.top = data.top;
 378                 if (isNumber(data.height)) this.size.height = data.height;
 379                 if (isNumber(data.width)) this.size.width = data.width;
 380         },
 381
 382         _updateRatio: function(data, event) {
 383
 384                 var o = this.options, cpos = this.position, csize = this.size, a = this.axis;
 385
 386                 if (isNumber(data.height)) data.width = (data.height * this.aspectRatio);
 387                 else if (isNumber(data.width)) data.height = (data.width / this.aspectRatio);
 388
 389                 if (a == 'sw') {
 390                         data.left = cpos.left + (csize.width - data.width);
 391                         data.top = null;
 392                 }
 393                 if (a == 'nw') {
 394                         data.top = cpos.top + (csize.height - data.height);
 395                         data.left = cpos.left + (csize.width - data.width);
 396                 }
 397
 398                 return data;
 399         },
 400
 401         _respectSize: function(data, event) {
 402
 403                 var el = this.helper, o = this._vBoundaries, pRatio = this._aspectRatio || event.shiftKey, a = this.axis,
 404                                 ismaxw = isNumber(data.width) && o.maxWidth && (o.maxWidth < data.width), ismaxh = isNumber(data.height) && o.maxHeight && (o.maxHeight < data.height),
 405                                         isminw = isNumber(data.width) && o.minWidth && (o.minWidth > data.width), isminh = isNumber(data.height) && o.minHeight && (o.minHeight > data.height);
 406
 407                 if (isminw) data.width = o.minWidth;
 408                 if (isminh) data.height = o.minHeight;
 409                 if (ismaxw) data.width = o.maxWidth;
 410                 if (ismaxh) data.height = o.maxHeight;
 411
 412                 var dw = this.originalPosition.left + this.originalSize.width, dh = this.position.top + this.size.height;
 413                 var cw = /sw|nw|w/.test(a), ch = /nw|ne|n/.test(a);
 414
 415                 if (isminw && cw) data.left = dw - o.minWidth;
 416                 if (ismaxw && cw) data.left = dw - o.maxWidth;
 417                 if (isminh && ch)       data.top = dh - o.minHeight;
 418                 if (ismaxh && ch)       data.top = dh - o.maxHeight;
 419
 420                 // fixing jump error on top/left - bug #2330
 421                 var isNotwh = !data.width && !data.height;
 422                 if (isNotwh && !data.left && data.top) data.top = null;
 423                 else if (isNotwh && !data.top && data.left) data.left = null;
 424
 425                 return data;
 426         },
 427
 428         _proportionallyResize: function() {
 429
 430                 var o = this.options;
 431                 if (!this._proportionallyResizeElements.length) return;
 432                 var element = this.helper || this.element;
 433
 434                 for (var i=0; i < this._proportionallyResizeElements.length; i++) {
 435
 436                         var prel = this._proportionallyResizeElements[i];
 437
 438                         if (!this.borderDif) {
 439                                 var b = [prel.css('borderTopWidth'), prel.css('borderRightWidth'), prel.css('borderBottomWidth'), prel.css('borderLeftWidth')],
 440                                         p = [prel.css('paddingTop'), prel.css('paddingRight'), prel.css('paddingBottom'), prel.css('paddingLeft')];
 441
 442                                 this.borderDif = $.map(b, function(v, i) {
 443                                         var border = parseInt(v,10)||0, padding = parseInt(p[i],10)||0;
 444                                         return border + padding;
 445                                 });
 446                         }
 447
 448                         if ($.browser.msie && !(!($(element).is(':hidden') || $(element).parents(':hidden').length)))
 449                                 continue;
 450
 451                         prel.css({
 452                                 height: (element.height() - this.borderDif[0] - this.borderDif[2]) || 0,
 453                                 width: (element.width() - this.borderDif[1] - this.borderDif[3]) || 0
 454                         });
 455
 456                 };
 457
 458         },
 459
 460         _renderProxy: function() {
 461
 462                 var el = this.element, o = this.options;
 463                 this.elementOffset = el.offset();
 464
 465                 if(this._helper) {
 466
 467                         this.helper = this.helper || $('<div style="overflow:hidden;"></div>');
 468
 469                         // fix ie6 offset TODO: This seems broken
 470                         var ie6 = $.browser.msie && $.browser.version < 7, ie6offset = (ie6 ? 1 : 0),
 471                         pxyoffset = ( ie6 ? 2 : -1 );
 472
 473                         this.helper.addClass(this._helper).css({
 474                                 width: this.element.outerWidth() + pxyoffset,
 475                                 height: this.element.outerHeight() + pxyoffset,
 476                                 position: 'absolute',
 477                                 left: this.elementOffset.left - ie6offset +'px',
 478                                 top: this.elementOffset.top - ie6offset +'px',
 479                                 zIndex: ++o.zIndex //TODO: Don't modify option
 480                         });
 481
 482                         this.helper
 483                                 .appendTo("body")
 484                                 .disableSelection();
 485
 486                 } else {
 487                         this.helper = this.element;
 488                 }
 489
 490         },
 491
 492         _change: {
 493                 e: function(event, dx, dy) {
 494                         return { width: this.originalSize.width + dx };
 495                 },
 496                 w: function(event, dx, dy) {
 497                         var o = this.options, cs = this.originalSize, sp = this.originalPosition;
 498                         return { left: sp.left + dx, width: cs.width - dx };
 499                 },
 500                 n: function(event, dx, dy) {
 501                         var o = this.options, cs = this.originalSize, sp = this.originalPosition;
 502                         return { top: sp.top + dy, height: cs.height - dy };
 503                 },
 504                 s: function(event, dx, dy) {
 505                         return { height: this.originalSize.height + dy };
 506                 },
 507                 se: function(event, dx, dy) {
 508                         return $.extend(this._change.s.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
 509                 },
 510                 sw: function(event, dx, dy) {
 511                         return $.extend(this._change.s.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
 512                 },
 513                 ne: function(event, dx, dy) {
 514                         return $.extend(this._change.n.apply(this, arguments), this._change.e.apply(this, [event, dx, dy]));
 515                 },
 516                 nw: function(event, dx, dy) {
 517                         return $.extend(this._change.n.apply(this, arguments), this._change.w.apply(this, [event, dx, dy]));
 518                 }
 519         },
 520
 521         _propagate: function(n, event) {
 522                 $.ui.plugin.call(this, n, [event, this.ui()]);
 523                 (n != "resize" && this._trigger(n, event, this.ui()));
 524         },
 525
 526         plugins: {},
 527
 528         ui: function() {
 529                 return {
 530                         originalElement: this.originalElement,
 531                         element: this.element,
 532                         helper: this.helper,
 533                         position: this.position,
 534                         size: this.size,
 535                         originalSize: this.originalSize,
 536                         originalPosition: this.originalPosition
 537                 };
 538         }
 539
 540 });
 541
 542 $.extend($.ui.resizable, {
 543         version: "1.8.21"
 544 });
 545
 546 /*
 547  * Resizable Extensions
 548  */
 549
 550 $.ui.plugin.add("resizable", "alsoResize", {
 551
 552         start: function (event, ui) {
 553                 var self = $(this).data("resizable"), o = self.options;
 554
 555                 var _store = function (exp) {
 556                         $(exp).each(function() {
 557                                 var el = $(this);
 558                                 el.data("resizable-alsoresize", {
 559                                         width: parseInt(el.width(), 10), height: parseInt(el.height(), 10),
 560                                         left: parseInt(el.css('left'), 10), top: parseInt(el.css('top'), 10)
 561                                 });
 562                         });
 563                 };
 564
 565                 if (typeof(o.alsoResize) == 'object' && !o.alsoResize.parentNode) {
 566                         if (o.alsoResize.length) { o.alsoResize = o.alsoResize[0]; _store(o.alsoResize); }
 567                         else { $.each(o.alsoResize, function (exp) { _store(exp); }); }
 568                 }else{
 569                         _store(o.alsoResize);
 570                 }
 571         },
 572
 573         resize: function (event, ui) {
 574                 var self = $(this).data("resizable"), o = self.options, os = self.originalSize, op = self.originalPosition;
 575
 576                 var delta = {
 577                         height: (self.size.height - os.height) || 0, width: (self.size.width - os.width) || 0,
 578                         top: (self.position.top - op.top) || 0, left: (self.position.left - op.left) || 0
 579                 },
 580
 581                 _alsoResize = function (exp, c) {
 582                         $(exp).each(function() {
 583                                 var el = $(this), start = $(this).data("resizable-alsoresize"), style = {},
 584                                         css = c && c.length ? c : el.parents(ui.originalElement[0]).length ? ['width', 'height'] : ['width', 'height', 'top', 'left'];
 585
 586                                 $.each(css, function (i, prop) {
 587                                         var sum = (start[prop]||0) + (delta[prop]||0);
 588                                         if (sum && sum >= 0)
 589                                                 style[prop] = sum || null;
 590                                 });
 591
 592                                 el.css(style);
 593                         });
 594                 };
 595
 596                 if (typeof(o.alsoResize) == 'object' && !o.alsoResize.nodeType) {
 597                         $.each(o.alsoResize, function (exp, c) { _alsoResize(exp, c); });
 598                 }else{
 599                         _alsoResize(o.alsoResize);
 600                 }
 601         },
 602
 603         stop: function (event, ui) {
 604                 $(this).removeData("resizable-alsoresize");
 605         }
 606 });
 607
 608 $.ui.plugin.add("resizable", "animate", {
 609
 610         stop: function(event, ui) {
 611                 var self = $(this).data("resizable"), o = self.options;
 612
 613                 var pr = self._proportionallyResizeElements, ista = pr.length && (/textarea/i).test(pr[0].nodeName),
 614                                         soffseth = ista && $.ui.hasScroll(pr[0], 'left') /* TODO - jump height */ ? 0 : self.sizeDiff.height,
 615                                                 soffsetw = ista ? 0 : self.sizeDiff.width;
 616
 617                 var style = { width: (self.size.width - soffsetw), height: (self.size.height - soffseth) },
 618                                         left = (parseInt(self.element.css('left'), 10) + (self.position.left - self.originalPosition.left)) || null,
 619                                                 top = (parseInt(self.element.css('top'), 10) + (self.position.top - self.originalPosition.top)) || null;
 620
 621                 self.element.animate(
 622                         $.extend(style, top && left ? { top: top, left: left } : {}), {
 623                                 duration: o.animateDuration,
 624                                 easing: o.animateEasing,
 625                                 step: function() {
 626
 627                                         var data = {
 628                                                 width: parseInt(self.element.css('width'), 10),
 629                                                 height: parseInt(self.element.css('height'), 10),
 630                                                 top: parseInt(self.element.css('top'), 10),
 631                                                 left: parseInt(self.element.css('left'), 10)
 632                                         };
 633
 634                                         if (pr && pr.length) $(pr[0]).css({ width: data.width, height: data.height });
 635
 636                                         // propagating resize, and updating values for each animation step
 637                                         self._updateCache(data);
 638                                         self._propagate("resize", event);
 639
 640                                 }
 641                         }
 642                 );
 643         }
 644
 645 });
 646
 647 $.ui.plugin.add("resizable", "containment", {
 648
 649         start: function(event, ui) {
 650                 var self = $(this).data("resizable"), o = self.options, el = self.element;
 651                 var oc = o.containment, ce = (oc instanceof $) ? oc.get(0) : (/parent/.test(oc)) ? el.parent().get(0) : oc;
 652                 if (!ce) return;
 653
 654                 self.containerElement = $(ce);
 655
 656                 if (/document/.test(oc) || oc == document) {
 657                         self.containerOffset = { left: 0, top: 0 };
 658                         self.containerPosition = { left: 0, top: 0 };
 659
 660                         self.parentData = {
 661                                 element: $(document), left: 0, top: 0,
 662                                 width: $(document).width(), height: $(document).height() || document.body.parentNode.scrollHeight
 663                         };
 664                 }
 665
 666                 // i'm a node, so compute top, left, right, bottom
 667                 else {
 668                         var element = $(ce), p = [];
 669                         $([ "Top", "Right", "Left", "Bottom" ]).each(function(i, name) { p[i] = num(element.css("padding" + name)); });
 670
 671                         self.containerOffset = element.offset();
 672                         self.containerPosition = element.position();
 673                         self.containerSize = { height: (element.innerHeight() - p[3]), width: (element.innerWidth() - p[1]) };
 674
 675                         var co = self.containerOffset, ch = self.containerSize.height,  cw = self.containerSize.width,
 676                                                 width = ($.ui.hasScroll(ce, "left") ? ce.scrollWidth : cw ), height = ($.ui.hasScroll(ce) ? ce.scrollHeight : ch);
 677
 678                         self.parentData = {
 679                                 element: ce, left: co.left, top: co.top, width: width, height: height
 680                         };
 681                 }
 682         },
 683
 684         resize: function(event, ui) {
 685                 var self = $(this).data("resizable"), o = self.options,
 686                                 ps = self.containerSize, co = self.containerOffset, cs = self.size, cp = self.position,
 687                                 pRatio = self._aspectRatio || event.shiftKey, cop = { top:0, left:0 }, ce = self.containerElement;
 688
 689                 if (ce[0] != document && (/static/).test(ce.css('position'))) cop = co;
 690
 691                 if (cp.left < (self._helper ? co.left : 0)) {
 692                         self.size.width = self.size.width + (self._helper ? (self.position.left - co.left) : (self.position.left - cop.left));
 693                         if (pRatio) self.size.height = self.size.width / self.aspectRatio;
 694                         self.position.left = o.helper ? co.left : 0;
 695                 }
 696
 697                 if (cp.top < (self._helper ? co.top : 0)) {
 698                         self.size.height = self.size.height + (self._helper ? (self.position.top - co.top) : self.position.top);
 699                         if (pRatio) self.size.width = self.size.height * self.aspectRatio;
 700                         self.position.top = self._helper ? co.top : 0;
 701                 }
 702
 703                 self.offset.left = self.parentData.left+self.position.left;
 704                 self.offset.top = self.parentData.top+self.position.top;
 705
 706                 var woset = Math.abs( (self._helper ? self.offset.left - cop.left : (self.offset.left - cop.left)) + self.sizeDiff.width ),
 707                                         hoset = Math.abs( (self._helper ? self.offset.top - cop.top : (self.offset.top - co.top)) + self.sizeDiff.height );
 708
 709                 var isParent = self.containerElement.get(0) == self.element.parent().get(0),
 710                     isOffsetRelative = /relative|absolute/.test(self.containerElement.css('position'));
 711
 712                 if(isParent && isOffsetRelative) woset -= self.parentData.left;
 713
 714                 if (woset + self.size.width >= self.parentData.width) {
 715                         self.size.width = self.parentData.width - woset;
 716                         if (pRatio) self.size.height = self.size.width / self.aspectRatio;
 717                 }
 718
 719                 if (hoset + self.size.height >= self.parentData.height) {
 720                         self.size.height = self.parentData.height - hoset;
 721                         if (pRatio) self.size.width = self.size.height * self.aspectRatio;
 722                 }
 723         },
 724
 725         stop: function(event, ui){
 726                 var self = $(this).data("resizable"), o = self.options, cp = self.position,
 727                                 co = self.containerOffset, cop = self.containerPosition, ce = self.containerElement;
 728
 729                 var helper = $(self.helper), ho = helper.offset(), w = helper.outerWidth() - self.sizeDiff.width, h = helper.outerHeight() - self.sizeDiff.height;
 730
 731                 if (self._helper && !o.animate && (/relative/).test(ce.css('position')))
 732                         $(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
 733
 734                 if (self._helper && !o.animate && (/static/).test(ce.css('position')))
 735                         $(this).css({ left: ho.left - cop.left - co.left, width: w, height: h });
 736
 737         }
 738 });
 739
 740 $.ui.plugin.add("resizable", "ghost", {
 741
 742         start: function(event, ui) {
 743
 744                 var self = $(this).data("resizable"), o = self.options, cs = self.size;
 745
 746                 self.ghost = self.originalElement.clone();
 747                 self.ghost
 748                         .css({ opacity: .25, display: 'block', position: 'relative', height: cs.height, width: cs.width, margin: 0, left: 0, top: 0 })
 749                         .addClass('ui-resizable-ghost')
 750                         .addClass(typeof o.ghost == 'string' ? o.ghost : '');
 751
 752                 self.ghost.appendTo(self.helper);
 753
 754         },
 755
 756         resize: function(event, ui){
 757                 var self = $(this).data("resizable"), o = self.options;
 758                 if (self.ghost) self.ghost.css({ position: 'relative', height: self.size.height, width: self.size.width });
 759         },
 760
 761         stop: function(event, ui){
 762                 var self = $(this).data("resizable"), o = self.options;
 763                 if (self.ghost && self.helper) self.helper.get(0).removeChild(self.ghost.get(0));
 764         }
 765
 766 });
 767
 768 $.ui.plugin.add("resizable", "grid", {
 769
 770         resize: function(event, ui) {
 771                 var self = $(this).data("resizable"), o = self.options, cs = self.size, os = self.originalSize, op = self.originalPosition, a = self.axis, ratio = o._aspectRatio || event.shiftKey;
 772                 o.grid = typeof o.grid == "number" ? [o.grid, o.grid] : o.grid;
 773                 var ox = Math.round((cs.width - os.width) / (o.grid[0]||1)) * (o.grid[0]||1), oy = Math.round((cs.height - os.height) / (o.grid[1]||1)) * (o.grid[1]||1);
 774
 775                 if (/^(se|s|e)$/.test(a)) {
 776                         self.size.width = os.width + ox;
 777                         self.size.height = os.height + oy;
 778                 }
 779                 else if (/^(ne)$/.test(a)) {
 780                         self.size.width = os.width + ox;
 781                         self.size.height = os.height + oy;
 782                         self.position.top = op.top - oy;
 783                 }
 784                 else if (/^(sw)$/.test(a)) {
 785                         self.size.width = os.width + ox;
 786                         self.size.height = os.height + oy;
 787                         self.position.left = op.left - ox;
 788                 }
 789                 else {
 790                         self.size.width = os.width + ox;
 791                         self.size.height = os.height + oy;
 792                         self.position.top = op.top - oy;
 793                         self.position.left = op.left - ox;
 794                 }
 795         }
 796
 797 });
 798
 799 var num = function(v) {
 800         return parseInt(v, 10) || 0;
 801 };
 802
 803 var isNumber = function(value) {
 804         return !isNaN(parseInt(value, 10));
 805 };
 806
 807 })(jQuery);