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   1 <html><head><title>Roo/htmleditor/Filter.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  * Base Class for filtering htmleditor stuff.
   4  *
   5  */
   6
   7 /**
   8  * @class Roo.htmleditor.Filter
   9  * Base Class for filtering htmleditor stuff. - do not use this directly - extend it.
  10  * @cfg {DomElement} node The node to iterate and filter
  11  * @cfg {boolean|String|Array} tag Tags to replace
  12  * @constructor
  13  * Create a new Filter.
  14  * @param {Object} config Configuration options
  15  */
  16
  17
  18
  19 </span><span class="jsdoc-var">Roo.htmleditor.Filter </span><span class="jsdoc-syntax">= </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">cfg</span><span class="jsdoc-syntax">) {
  20     </span><span class="jsdoc-var">Roo.apply</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.cfg</span><span class="jsdoc-syntax">);
  21     </span><span class="jsdoc-comment">// this does not actually call walk as it's really just a abstract class
  22 </span><span class="jsdoc-syntax">}
  23
  24
  25 </span><span class="jsdoc-var">Roo.htmleditor.Filter.prototype </span><span class="jsdoc-syntax">= {
  26
  27     </span><span class="jsdoc-var">node</span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">,
  28
  29     </span><span class="jsdoc-var">tag</span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">,
  30
  31     </span><span class="jsdoc-comment">// overrride to do replace comments.
  32     </span><span class="jsdoc-var">replaceComment </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">,
  33
  34     </span><span class="jsdoc-comment">// overrride to do replace or do stuff with tags..
  35     </span><span class="jsdoc-var">replaceTag </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">false</span><span class="jsdoc-syntax">,
  36
  37     </span><span class="jsdoc-var">walk </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">dom</span><span class="jsdoc-syntax">)
  38     {
  39         </span><span class="jsdoc-var">Roo.each</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">Array.from</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">dom.childNodes</span><span class="jsdoc-syntax">), </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">( </span><span class="jsdoc-var">e </span><span class="jsdoc-syntax">) {
  40             </span><span class="jsdoc-keyword">switch</span><span class="jsdoc-syntax">(</span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">) {
  41
  42                 </span><span class="jsdoc-keyword">case </span><span class="jsdoc-var">e.nodeType </span><span class="jsdoc-syntax">== 8 &amp;&amp; </span><span class="jsdoc-keyword">typeof</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.replaceComment</span><span class="jsdoc-syntax">) != </span><span class="jsdoc-string">'undefined'</span><span class="jsdoc-syntax">: </span><span class="jsdoc-comment">// comment
  43                     </span><span class="jsdoc-var">this.replaceComment</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">);
  44                     </span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
  45
  46                 </span><span class="jsdoc-keyword">case </span><span class="jsdoc-var">e.nodeType </span><span class="jsdoc-syntax">!= 3: </span><span class="jsdoc-comment">//not a node.
  47                     </span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
  48
  49                 </span><span class="jsdoc-keyword">case </span><span class="jsdoc-var">tag </span><span class="jsdoc-syntax">=== </span><span class="jsdoc-keyword">true</span><span class="jsdoc-syntax">: </span><span class="jsdoc-comment">// everything
  50                 </span><span class="jsdoc-keyword">case typeof</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">tag</span><span class="jsdoc-syntax">) == </span><span class="jsdoc-string">'object' </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">tag.indexOf</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e.tagName</span><span class="jsdoc-syntax">) &gt; -1: </span><span class="jsdoc-comment">// array and it matches.
  51                 </span><span class="jsdoc-keyword">case typeof</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">tag</span><span class="jsdoc-syntax">) == </span><span class="jsdoc-string">'string' </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-var">tag </span><span class="jsdoc-syntax">== </span><span class="jsdoc-var">e.tagName</span><span class="jsdoc-syntax">: </span><span class="jsdoc-comment">// array and it matches.
  52                     </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.replaceTag </span><span class="jsdoc-syntax">&amp;&amp; </span><span class="jsdoc-keyword">false </span><span class="jsdoc-syntax">=== </span><span class="jsdoc-var">this.replaceTag</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">)) {
  53                         </span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
  54                     }
  55                     </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e.hasChildNodes</span><span class="jsdoc-syntax">()) {
  56                         </span><span class="jsdoc-var">this.walk</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">);
  57                     }
  58                     </span><span class="jsdoc-keyword">return</span><span class="jsdoc-syntax">;
  59
  60                 </span><span class="jsdoc-keyword">default</span><span class="jsdoc-syntax">:    </span><span class="jsdoc-comment">// tags .. that do not match.
  61                     </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e.hasChildNodes</span><span class="jsdoc-syntax">()) {
  62                         </span><span class="jsdoc-var">this.walk</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">e</span><span class="jsdoc-syntax">);
  63                     }
  64             }
  65
  66         }, </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">);
  67
  68     }
  69 };</span></code></body></html>