* @param {Object} options (optional)An object with standard {@link Roo.EventManager#addListener} options
*/
</span><span class="jsdoc-var">addListener </span><span class="jsdoc-syntax">: </span><span class="jsdoc-keyword">function</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">eventName</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">fn</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">scope</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">){
- </span><span class="jsdoc-var">Roo.EventManager.on</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.dom</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">eventName</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">fn</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">scope </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">);
+ </span><span class="jsdoc-keyword">if </span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.dom</span><span class="jsdoc-syntax">) {
+ </span><span class="jsdoc-var">Roo.EventManager.on</span><span class="jsdoc-syntax">(</span><span class="jsdoc-var">this.dom</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">eventName</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">fn</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">scope </span><span class="jsdoc-syntax">|| </span><span class="jsdoc-var">this</span><span class="jsdoc-syntax">, </span><span class="jsdoc-var">options</span><span class="jsdoc-syntax">);
+ }
},
</span><span class="jsdoc-comment">/**