git.roojs.org Git - roojs1/blob - docs/symbols/src/Roo_bootstrap_LayoutMasonry.js.html

   1 <html><head><title>../roojs1/Roo/bootstrap/LayoutMasonry.js</title><link rel="stylesheet" type="text/css" href="../../../css/highlight-js.css"/></head><body class="highlightpage"><code class="jsdoc-pretty"><span class="jsdoc-comment">/**
   2  *
   3  * This is based on
   4  * http://masonry.desandro.com
   5  *
   6  * The idea is to render all the bricks based on vertical width...
   7  *
   8  * The original code extends 'outlayer' - we might need to use that....
   9  *
  10  */
  11
  12
  13 /**
  14  * @class Roo.bootstrap.LayoutMasonry
  15  * @extends Roo.bootstrap.Component
  16  * Bootstrap Layout Masonry class
  17  *
  18  * @constructor
  19  * Create a new Element
  20  * @param {Object} config The config object
  21  */
  22
  23 </span><span class="jsdoc-var">Roo.bootstrap.LayoutMasonry </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">config</span><span class="jsdoc-syntax">){
  24     </span><span class="jsdoc-var">Roo.bootstrap.LayoutMasonry.superclass.constructor.call</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">config</span><span class="jsdoc-syntax">);
  25 };
  26
  27 </span><span class="jsdoc-var">Roo.extend</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">Roo.bootstrap.LayoutMasonry</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">Roo.bootstrap.Component</span><span class="jsdoc-syntax">,  {
  28
  29       </span><span class="jsdoc-comment">/**
  30      * @cfg {Boolean} isFitWidth  - resize the width..
  31      */
  32     </span><span class="jsdoc-var">isFitWidth </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">,  </span><span class="jsdoc-comment">// options..
  33     /**
  34      * @cfg {Boolean} isOriginLeft = left align?
  35      */
  36     </span><span class="jsdoc-var">isOriginLeft </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">,
  37     </span><span class="jsdoc-comment">/**
  38      * @cfg {Boolean} isOriginTop = top align?
  39      */
  40     </span><span class="jsdoc-var">isOriginTop </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">,
  41     </span><span class="jsdoc-comment">/**
  42      * @cfg {Boolean} isLayoutInstant = no animation?
  43      */
  44     </span><span class="jsdoc-var">isLayoutInstant </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">, </span><span class="jsdoc-comment">// needed?
  45     /**
  46      * @cfg {Boolean} isResizingContainer = not sure if this is used..
  47      */
  48     </span><span class="jsdoc-var">isResizingContainer </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">,
  49     </span><span class="jsdoc-comment">/**
  50      * @cfg {Number} columnWidth  width of the columns
  51      */
  52
  53     </span><span class="jsdoc-var">columnWidth </span><span class="jsdoc-syntax">: 0,
  54     </span><span class="jsdoc-comment">/**
  55      * @cfg {Number} padHeight padding below box..
  56      */
  57
  58     </span><span class="jsdoc-var">padHeight </span><span class="jsdoc-syntax">: 10,
  59
  60     </span><span class="jsdoc-comment">/**
  61      * @cfg {Boolean} isAutoInitial defalut true
  62      */
  63
  64     </span><span class="jsdoc-var">isAutoInitial </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">,
  65
  66     </span><span class="jsdoc-comment">// private?
  67     </span><span class="jsdoc-var">gutter </span><span class="jsdoc-syntax">: 0,
  68
  69     </span><span class="jsdoc-var">containerWidth</span><span class="jsdoc-syntax">: 0,
  70     </span><span class="jsdoc-var">currentSize </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
  71
  72     </span><span class="jsdoc-var">colYs </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">, </span><span class="jsdoc-comment">// array.
  73     </span><span class="jsdoc-var">maxY </span><span class="jsdoc-syntax">: 0,
  74     </span><span class="jsdoc-var">padWidth</span><span class="jsdoc-syntax">: 0,
  75
  76
  77     </span><span class="jsdoc-var">tag</span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">'div'</span><span class="jsdoc-syntax">,
  78     </span><span class="jsdoc-var">cls</span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">''</span><span class="jsdoc-syntax">,
  79     </span><span class="jsdoc-var">bricks</span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">, </span><span class="jsdoc-comment">//CompositeElement
  80     </span><span class="jsdoc-var">cols </span><span class="jsdoc-syntax">: 0, </span><span class="jsdoc-comment">// array?
  81     // element : null, // wrapped now this.el
  82     </span><span class="jsdoc-var">_isLayoutInited </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">null</span><span class="jsdoc-syntax">,
  83
  84
  85     </span><span class="jsdoc-var">getAutoCreate </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(){
  86
  87         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">cfg </span><span class="jsdoc-syntax">= {
  88             </span><span class="jsdoc-var">tag</span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">this.tag</span><span class="jsdoc-syntax">,
  89             </span><span class="jsdoc-var">cls</span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">'blog-masonary-wrapper ' </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">this.cls</span><span class="jsdoc-syntax">,
  90             </span><span class="jsdoc-var">cn </span><span class="jsdoc-syntax">: {
  91                 </span><span class="jsdoc-var">cls </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">'mas-boxes masonary'
  92             </span><span class="jsdoc-syntax">}
  93         };
  94
  95
  96         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">cfg</span><span class="jsdoc-syntax">;
  97     },
  98     </span><span class="jsdoc-var">getChildContainer</span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">( )
  99     {
 100         </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.boxesEl</span><span class="jsdoc-syntax">) {
 101             </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this.boxesEl</span><span class="jsdoc-syntax">;
 102         }
 103         </span><span class="jsdoc-var">this.boxesEl </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.el.select</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">'.mas-boxes'</span><span class="jsdoc-syntax">)</span><span class="jsdoc-var">.first</span><span class="jsdoc-syntax">();
 104
 105         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this.boxesEl</span><span class="jsdoc-syntax">;
 106     },
 107
 108
 109     </span><span class="jsdoc-var">initEvents </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 110     {
 111         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">_this </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">;
 112
 113         </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.isAutoInitial</span><span class="jsdoc-syntax">){
 114             </span><span class="jsdoc-var">this.on</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">'childrenrendered'</span><span class="jsdoc-syntax">, </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">() {
 115                 </span><span class="jsdoc-var">_this.initial</span><span class="jsdoc-syntax">();
 116             } ,</span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">);
 117         }
 118
 119     },
 120
 121     </span><span class="jsdoc-var">initial </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 122     {
 123         </span><span class="jsdoc-var">this.reloadItems</span><span class="jsdoc-syntax">();
 124
 125         </span><span class="jsdoc-var">this.currentSize </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.el.getBox</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">);
 126
 127         </span><span class="jsdoc-comment">/// was window resize... - let's see if this works..
 128         </span><span class="jsdoc-var">Roo.EventManager.onWindowResize</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.resize</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">);
 129
 130         </span><span class="jsdoc-keyword">if</span><span class="jsdoc-syntax">(!</span><span class="jsdoc-var">this.isAutoInitial</span><span class="jsdoc-syntax">){
 131             </span><span class="jsdoc-var">this.layout</span><span class="jsdoc-syntax">();
 132             </span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
 133         }
 134
 135         </span><span class="jsdoc-var">this.layout.defer</span><span class="jsdoc-syntax">(500,</span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">);
 136     },
 137
 138     </span><span class="jsdoc-var">reloadItems</span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 139     {
 140         </span><span class="jsdoc-var">this.bricks </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.el.select</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">'.masonry-brick'</span><span class="jsdoc-syntax">, </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">);
 141
 142         </span><span class="jsdoc-var">Roo.log</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.bricks.elements.length</span><span class="jsdoc-syntax">);
 143     },
 144
 145
 146     </span><span class="jsdoc-var">resize </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 147     {
 148         </span><span class="jsdoc-var">Roo.log</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">'resize'</span><span class="jsdoc-syntax">);
 149         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">cs </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.el.getBox</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">);
 150
 151         </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.currentSize.width </span><span class="jsdoc-syntax">== </span><span class="jsdoc-var">cs.width </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">this.currentSize.x </span><span class="jsdoc-syntax">== </span><span class="jsdoc-var">cs.x </span><span class="jsdoc-syntax">) {
 152             </span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
 153         }
 154         </span><span class="jsdoc-var">this.currentSize </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">cs</span><span class="jsdoc-syntax">;
 155         </span><span class="jsdoc-var">this.layout</span><span class="jsdoc-syntax">();
 156     },
 157     </span><span class="jsdoc-var">layout </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 158     {
 159         </span><span class="jsdoc-var">this._resetLayout</span><span class="jsdoc-syntax">();
 160         </span><span class="jsdoc-comment">//this._manageStamps();
 161
 162         // don't animate first layout
 163         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">isInstant </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.isLayoutInstant </span><span class="jsdoc-syntax">!== </span><span class="jsdoc-var">undefined </span><span class="jsdoc-syntax">? </span><span class="jsdoc-var">this.isLayoutInstant </span><span class="jsdoc-syntax">: !</span><span class="jsdoc-var">this._isLayoutInited</span><span class="jsdoc-syntax">;
 164         </span><span class="jsdoc-var">this.layoutItems</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">isInstant </span><span class="jsdoc-syntax">);
 165
 166         </span><span class="jsdoc-comment">// flag for initalized
 167         </span><span class="jsdoc-var">this._isLayoutInited </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">;
 168     },
 169
 170     </span><span class="jsdoc-var">layoutItems </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">isInstant </span><span class="jsdoc-syntax">)
 171     {
 172         </span><span class="jsdoc-comment">//var items = this._getItemsForLayout( this.items );
 173         // original code supports filtering layout items.. we just ignore it..
 174
 175         </span><span class="jsdoc-var">this._layoutItems</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">this.bricks </span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">isInstant </span><span class="jsdoc-syntax">);
 176
 177         </span><span class="jsdoc-var">this._postLayout</span><span class="jsdoc-syntax">();
 178     },
 179     </span><span class="jsdoc-var">_layoutItems </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function </span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">items </span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">isInstant</span><span class="jsdoc-syntax">)
 180     {
 181        </span><span class="jsdoc-comment">//this.fireEvent( 'layout', this, items );
 182
 183
 184         </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">( !</span><span class="jsdoc-var">items </span><span class="jsdoc-syntax">|| !</span><span class="jsdoc-var">items.elements.length </span><span class="jsdoc-syntax">) {
 185           </span><span class="jsdoc-comment">// no items, emit event with empty array
 186             </span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
 187         }
 188
 189         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">queue </span><span class="jsdoc-syntax">= [];
 190         </span><span class="jsdoc-var">items.each</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">item</span><span class="jsdoc-syntax">) {
 191             </span><span class="jsdoc-var">Roo.log</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">&quot;layout item&quot;</span><span class="jsdoc-syntax">);
 192             </span><span class="jsdoc-var">Roo.log</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">item</span><span class="jsdoc-syntax">);
 193             </span><span class="jsdoc-comment">// get x/y object from method
 194             </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">position </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this._getItemLayoutPosition</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">item </span><span class="jsdoc-syntax">);
 195             </span><span class="jsdoc-comment">// enqueue
 196             </span><span class="jsdoc-var">position.item </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">item</span><span class="jsdoc-syntax">;
 197             </span><span class="jsdoc-var">position.isInstant </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">isInstant</span><span class="jsdoc-syntax">; </span><span class="jsdoc-comment">// || item.isLayoutInstant; &lt;&lt; not set yet...
 198             </span><span class="jsdoc-var">queue.push</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">position </span><span class="jsdoc-syntax">);
 199         }, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">);
 200
 201         </span><span class="jsdoc-var">this._processLayoutQueue</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">queue </span><span class="jsdoc-syntax">);
 202     },
 203     </span><span class="jsdoc-comment">/** Sets position of item in DOM
 204     * @param {Element} item
 205     * @param {Number} x - horizontal position
 206     * @param {Number} y - vertical position
 207     * @param {Boolean} isInstant - disables transitions
 208     */
 209     </span><span class="jsdoc-var">_processLayoutQueue </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">queue </span><span class="jsdoc-syntax">)
 210     {
 211         </span><span class="jsdoc-keyword">for </span><span class="jsdoc-syntax">( </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">=0, </span><span class="jsdoc-var">len </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">queue.length</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">&lt; </span><span class="jsdoc-var">len</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">++ ) {
 212             </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">obj </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">queue</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">];
 213             </span><span class="jsdoc-var">obj.item.position</span><span class="jsdoc-syntax">(</span><span class="jsdoc-string">'absolute'</span><span class="jsdoc-syntax">);
 214             </span><span class="jsdoc-var">obj.item.setXY</span><span class="jsdoc-syntax">([</span><span class="jsdoc-var">obj.x</span><span class="jsdoc-syntax">,</span><span class="jsdoc-var">obj.y</span><span class="jsdoc-syntax">], </span><span class="jsdoc-var">obj.isInstant </span><span class="jsdoc-syntax">? </span><span class="jsdoc-keyword">false </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">);
 215         }
 216     },
 217
 218
 219     </span><span class="jsdoc-comment">/**
 220     * Any logic you want to do after each layout,
 221     * i.e. size the container
 222     */
 223     </span><span class="jsdoc-var">_postLayout </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 224     {
 225         </span><span class="jsdoc-var">this.resizeContainer</span><span class="jsdoc-syntax">();
 226     },
 227
 228     </span><span class="jsdoc-var">resizeContainer </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 229     {
 230         </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">( !</span><span class="jsdoc-var">this.isResizingContainer </span><span class="jsdoc-syntax">) {
 231             </span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
 232         }
 233         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">size </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this._getContainerSize</span><span class="jsdoc-syntax">();
 234         </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">size </span><span class="jsdoc-syntax">) {
 235             </span><span class="jsdoc-var">this.el.setSize</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">size.width</span><span class="jsdoc-syntax">,</span><span class="jsdoc-var">size.height</span><span class="jsdoc-syntax">);
 236             </span><span class="jsdoc-var">this.boxesEl.setSize</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">size.width</span><span class="jsdoc-syntax">,</span><span class="jsdoc-var">size.height</span><span class="jsdoc-syntax">);
 237         }
 238     },
 239
 240
 241
 242     </span><span class="jsdoc-var">_resetLayout </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 243     {
 244         </span><span class="jsdoc-comment">//this.getSize();  // -- does not really do anything.. it probably applies left/right etc. to obuject but not used
 245         </span><span class="jsdoc-var">this.colWidth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.el.getWidth</span><span class="jsdoc-syntax">();
 246         </span><span class="jsdoc-comment">//this.gutter = this.el.getWidth();
 247
 248         </span><span class="jsdoc-var">this.measureColumns</span><span class="jsdoc-syntax">();
 249
 250         </span><span class="jsdoc-comment">// reset column Y
 251         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.cols</span><span class="jsdoc-syntax">;
 252         </span><span class="jsdoc-var">this.colYs </span><span class="jsdoc-syntax">= [];
 253         </span><span class="jsdoc-keyword">while </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">--) {
 254             </span><span class="jsdoc-var">this.colYs.push</span><span class="jsdoc-syntax">( 0 );
 255         }
 256
 257         </span><span class="jsdoc-var">this.maxY </span><span class="jsdoc-syntax">= 0;
 258     },
 259
 260     </span><span class="jsdoc-var">measureColumns </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 261     {
 262         </span><span class="jsdoc-var">this.getContainerWidth</span><span class="jsdoc-syntax">();
 263       </span><span class="jsdoc-comment">// if columnWidth is 0, default to outerWidth of first item
 264         </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">( !</span><span class="jsdoc-var">this.columnWidth </span><span class="jsdoc-syntax">) {
 265             </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">firstItem </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.bricks.first</span><span class="jsdoc-syntax">();
 266
 267             </span><span class="jsdoc-comment">// columnWidth fall back to item of first element
 268             </span><span class="jsdoc-var">this.columnWidth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">firstItem </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">firstItem.getWidth</span><span class="jsdoc-syntax">() ||  </span><span class="jsdoc-var">this.containerWidth</span><span class="jsdoc-syntax">;
 269
 270               </span><span class="jsdoc-comment">// if first elem has no width, default to size of container
 271
 272         </span><span class="jsdoc-syntax">}
 273
 274         </span><span class="jsdoc-comment">// column width is fixed at the top - however if container width get's smaller we should
 275         // reduce it...
 276
 277         // this bit calcs how man columns..
 278
 279         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">columnWidth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.columnWidth </span><span class="jsdoc-syntax">+= </span><span class="jsdoc-var">this.gutter</span><span class="jsdoc-syntax">;
 280
 281         </span><span class="jsdoc-comment">// calculate columns
 282         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">containerWidth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.containerWidth </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">this.gutter</span><span class="jsdoc-syntax">;
 283         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">cols </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">containerWidth </span><span class="jsdoc-syntax">/ </span><span class="jsdoc-var">columnWidth</span><span class="jsdoc-syntax">;
 284         </span><span class="jsdoc-comment">// fix rounding errors, typically with gutters
 285         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">excess </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">columnWidth </span><span class="jsdoc-syntax">- </span><span class="jsdoc-var">containerWidth </span><span class="jsdoc-syntax">% </span><span class="jsdoc-var">columnWidth</span><span class="jsdoc-syntax">;
 286         </span><span class="jsdoc-comment">// if overshoot is less than a pixel, round up, otherwise floor it
 287         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">mathMethod </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">excess </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">excess </span><span class="jsdoc-syntax">&lt; 1 ? </span><span class="jsdoc-string">'round' </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">'floor'</span><span class="jsdoc-syntax">;
 288         </span><span class="jsdoc-var">cols </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Math</span><span class="jsdoc-syntax">[ </span><span class="jsdoc-var">mathMethod </span><span class="jsdoc-syntax">]( </span><span class="jsdoc-var">cols </span><span class="jsdoc-syntax">);
 289         </span><span class="jsdoc-var">this.cols </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Math.max</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">cols</span><span class="jsdoc-syntax">, 1 );
 290
 291
 292          </span><span class="jsdoc-comment">// padding positioning..
 293         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">totalColWidth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.cols </span><span class="jsdoc-syntax">* </span><span class="jsdoc-var">this.columnWidth</span><span class="jsdoc-syntax">;
 294         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">padavail </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.containerWidth </span><span class="jsdoc-syntax">- </span><span class="jsdoc-var">totalColWidth</span><span class="jsdoc-syntax">;
 295         </span><span class="jsdoc-comment">// so for 2 columns - we need 3 'pads'
 296         </span><span class="jsdoc-var">this.padWidth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Math.floor</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">padavail </span><span class="jsdoc-syntax">/  ( </span><span class="jsdoc-var">this.cols</span><span class="jsdoc-syntax">));
 297
 298
 299     },
 300
 301     </span><span class="jsdoc-var">getContainerWidth </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 302     {
 303        </span><span class="jsdoc-comment">/* // container is parent if fit width
 304         var container = this.isFitWidth ? this.element.parentNode : this.element;
 305         // check that this.size and size are there
 306         // IE8 triggers resize on body size change, so they might not be
 307
 308         var size = getSize( container );  //FIXME
 309         this.containerWidth = size &amp;&amp; size.innerWidth; //FIXME
 310         */
 311
 312         </span><span class="jsdoc-var">this.containerWidth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.el.getBox</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">)</span><span class="jsdoc-var">.width</span><span class="jsdoc-syntax">;  </span><span class="jsdoc-comment">//maybe use getComputedWidth
 313
 314     </span><span class="jsdoc-syntax">},
 315
 316     </span><span class="jsdoc-var">_getItemLayoutPosition </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">item </span><span class="jsdoc-syntax">)  </span><span class="jsdoc-comment">// what is item?
 317     </span><span class="jsdoc-syntax">{
 318         </span><span class="jsdoc-comment">// we resize the item to our columnWidth..
 319         </span><span class="jsdoc-var">item.setWidth</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.columnWidth</span><span class="jsdoc-syntax">);
 320         </span><span class="jsdoc-var">item.autoBoxAdjust  </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">;
 321
 322         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">sz </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">item.getSize</span><span class="jsdoc-syntax">();
 323
 324         </span><span class="jsdoc-comment">// how many columns does this brick span
 325         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">remainder </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.containerWidth </span><span class="jsdoc-syntax">% </span><span class="jsdoc-var">this.columnWidth</span><span class="jsdoc-syntax">;
 326
 327         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">mathMethod </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">remainder </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">remainder </span><span class="jsdoc-syntax">&lt; 1 ? </span><span class="jsdoc-string">'round' </span><span class="jsdoc-syntax">: </span><span class="jsdoc-string">'ceil'</span><span class="jsdoc-syntax">;
 328         </span><span class="jsdoc-comment">// round if off by 1 pixel, otherwise use ceil
 329         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">colSpan </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Math</span><span class="jsdoc-syntax">[ </span><span class="jsdoc-var">mathMethod </span><span class="jsdoc-syntax">]( </span><span class="jsdoc-var">sz.width  </span><span class="jsdoc-syntax">/ </span><span class="jsdoc-var">this.columnWidth </span><span class="jsdoc-syntax">);
 330         </span><span class="jsdoc-var">colSpan </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Math.min</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">colSpan</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.cols </span><span class="jsdoc-syntax">);
 331
 332         </span><span class="jsdoc-comment">// normally this should be '1' as we dont' currently allow multi width columns..
 333
 334         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">colGroup </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this._getColGroup</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">colSpan </span><span class="jsdoc-syntax">);
 335         </span><span class="jsdoc-comment">// get the minimum Y value from the columns
 336         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">minimumY </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Math.min.apply</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">Math</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">colGroup </span><span class="jsdoc-syntax">);
 337         </span><span class="jsdoc-var">Roo.log</span><span class="jsdoc-syntax">([ </span><span class="jsdoc-string">'setHeight'</span><span class="jsdoc-syntax">,  </span><span class="jsdoc-var">minimumY</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">sz.height</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">setHeight </span><span class="jsdoc-syntax">]);
 338
 339         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">shortColIndex </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">colGroup.indexOf</span><span class="jsdoc-syntax">(  </span><span class="jsdoc-var">minimumY </span><span class="jsdoc-syntax">); </span><span class="jsdoc-comment">// broken on ie8..?? probably...
 340
 341         // position the brick
 342         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">position </span><span class="jsdoc-syntax">= {
 343             </span><span class="jsdoc-var">x</span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">this.currentSize.x </span><span class="jsdoc-syntax">+ (</span><span class="jsdoc-var">this.padWidth </span><span class="jsdoc-syntax">/2) + ((</span><span class="jsdoc-var">this.columnWidth </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">this.padWidth </span><span class="jsdoc-syntax">)* </span><span class="jsdoc-var">shortColIndex</span><span class="jsdoc-syntax">),
 344             </span><span class="jsdoc-var">y</span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">this.currentSize.y </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">minimumY </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">this.padHeight
 345         </span><span class="jsdoc-syntax">};
 346
 347         </span><span class="jsdoc-var">Roo.log</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">position</span><span class="jsdoc-syntax">);
 348         </span><span class="jsdoc-comment">// apply setHeight to necessary columns
 349         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">setHeight </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">minimumY </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">sz.height </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">this.padHeight</span><span class="jsdoc-syntax">;
 350         </span><span class="jsdoc-comment">//Roo.log([ 'setHeight',  minimumY, sz.height, setHeight ]);
 351
 352         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">setSpan </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.cols </span><span class="jsdoc-syntax">+ 1 - </span><span class="jsdoc-var">colGroup.length</span><span class="jsdoc-syntax">;
 353         </span><span class="jsdoc-keyword">for </span><span class="jsdoc-syntax">( </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= 0; </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">&lt; </span><span class="jsdoc-var">setSpan</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">++ ) {
 354           </span><span class="jsdoc-var">this.colYs</span><span class="jsdoc-syntax">[ </span><span class="jsdoc-var">shortColIndex </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">] = </span><span class="jsdoc-var">setHeight </span><span class="jsdoc-syntax">;
 355         }
 356
 357         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">position</span><span class="jsdoc-syntax">;
 358     },
 359
 360     </span><span class="jsdoc-comment">/**
 361      * @param {Number} colSpan - number of columns the element spans
 362      * @returns {Array} colGroup
 363      */
 364     </span><span class="jsdoc-var">_getColGroup </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">colSpan </span><span class="jsdoc-syntax">)
 365     {
 366         </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">colSpan </span><span class="jsdoc-syntax">&lt; 2 ) {
 367           </span><span class="jsdoc-comment">// if brick spans only one column, use all the column Ys
 368           </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">this.colYs</span><span class="jsdoc-syntax">;
 369         }
 370
 371         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">colGroup </span><span class="jsdoc-syntax">= [];
 372         </span><span class="jsdoc-comment">// how many different places could this brick fit horizontally
 373         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">groupCount </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.cols </span><span class="jsdoc-syntax">+ 1 - </span><span class="jsdoc-var">colSpan</span><span class="jsdoc-syntax">;
 374         </span><span class="jsdoc-comment">// for each group potential horizontal position
 375         </span><span class="jsdoc-keyword">for </span><span class="jsdoc-syntax">( </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= 0; </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">&lt; </span><span class="jsdoc-var">groupCount</span><span class="jsdoc-syntax">; </span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">++ ) {
 376           </span><span class="jsdoc-comment">// make an array of colY values for that one group
 377           </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">groupColYs </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.colYs.slice</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">+ </span><span class="jsdoc-var">colSpan </span><span class="jsdoc-syntax">);
 378           </span><span class="jsdoc-comment">// and get the max value of the array
 379           </span><span class="jsdoc-var">colGroup</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">] = </span><span class="jsdoc-var">Math.max.apply</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">Math</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">groupColYs </span><span class="jsdoc-syntax">);
 380         }
 381         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">colGroup</span><span class="jsdoc-syntax">;
 382     },
 383     </span><span class="jsdoc-comment">/*
 384     _manageStamp : function( stamp )
 385     {
 386         var stampSize =  stamp.getSize();
 387         var offset = stamp.getBox();
 388         // get the columns that this stamp affects
 389         var firstX = this.isOriginLeft ? offset.x : offset.right;
 390         var lastX = firstX + stampSize.width;
 391         var firstCol = Math.floor( firstX / this.columnWidth );
 392         firstCol = Math.max( 0, firstCol );
 393
 394         var lastCol = Math.floor( lastX / this.columnWidth );
 395         // lastCol should not go over if multiple of columnWidth #425
 396         lastCol -= lastX % this.columnWidth ? 0 : 1;
 397         lastCol = Math.min( this.cols - 1, lastCol );
 398
 399         // set colYs to bottom of the stamp
 400         var stampMaxY = ( this.isOriginTop ? offset.y : offset.bottom ) +
 401             stampSize.height;
 402
 403         for ( var i = firstCol; i &lt;= lastCol; i++ ) {
 404           this.colYs[i] = Math.max( stampMaxY, this.colYs[i] );
 405         }
 406     },
 407     */
 408
 409     </span><span class="jsdoc-var">_getContainerSize </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 410     {
 411         </span><span class="jsdoc-var">this.maxY </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">Math.max.apply</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">Math</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">this.colYs </span><span class="jsdoc-syntax">);
 412         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">size </span><span class="jsdoc-syntax">= {
 413             </span><span class="jsdoc-var">height</span><span class="jsdoc-syntax">: </span><span class="jsdoc-var">this.maxY
 414         </span><span class="jsdoc-syntax">};
 415
 416         </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">this.isFitWidth </span><span class="jsdoc-syntax">) {
 417             </span><span class="jsdoc-var">size.width </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this._getContainerFitWidth</span><span class="jsdoc-syntax">();
 418         }
 419
 420         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">size</span><span class="jsdoc-syntax">;
 421     },
 422
 423     </span><span class="jsdoc-var">_getContainerFitWidth </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 424     {
 425         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">unusedCols </span><span class="jsdoc-syntax">= 0;
 426         </span><span class="jsdoc-comment">// count unused columns
 427         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.cols</span><span class="jsdoc-syntax">;
 428         </span><span class="jsdoc-keyword">while </span><span class="jsdoc-syntax">( --</span><span class="jsdoc-var">i </span><span class="jsdoc-syntax">) {
 429           </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">this.colYs</span><span class="jsdoc-syntax">[</span><span class="jsdoc-var">i</span><span class="jsdoc-syntax">] !== 0 ) {
 430             </span><span class="jsdoc-keyword">break</span><span class="jsdoc-syntax">;
 431           }
 432           </span><span class="jsdoc-var">unusedCols</span><span class="jsdoc-syntax">++;
 433         }
 434         </span><span class="jsdoc-comment">// fit container to columns that have been used
 435         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">this.cols </span><span class="jsdoc-syntax">- </span><span class="jsdoc-var">unusedCols </span><span class="jsdoc-syntax">) * </span><span class="jsdoc-var">this.columnWidth </span><span class="jsdoc-syntax">- </span><span class="jsdoc-var">this.gutter</span><span class="jsdoc-syntax">;
 436     },
 437
 438     </span><span class="jsdoc-var">needsResizeLayout </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">()
 439     {
 440         </span><span class="jsdoc-keyword">var </span><span class="jsdoc-var">previousWidth </span><span class="jsdoc-syntax">= </span><span class="jsdoc-var">this.containerWidth</span><span class="jsdoc-syntax">;
 441         </span><span class="jsdoc-var">this.getContainerWidth</span><span class="jsdoc-syntax">();
 442         </span><span class="jsdoc-keyword">return </span><span class="jsdoc-var">previousWidth </span><span class="jsdoc-syntax">!== </span><span class="jsdoc-var">this.containerWidth</span><span class="jsdoc-syntax">;
 443     }
 444
 445 });
 446
 447
 448
 449  </span></code></body></html>