commit extjs-2.2.1
[extjs.git] / docs / output / Ext.tree.DefaultSelectionModel.html
1         <div class="body-wrap">
2         <div class="top-tools">
3             <a class="inner-link" href="#Ext.tree.DefaultSelectionModel-props"><img src="../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>
4             <a class="inner-link" href="#Ext.tree.DefaultSelectionModel-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a>
5             <a class="inner-link" href="#Ext.tree.DefaultSelectionModel-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a>
6                             <a class="inner-link" href="#Ext.tree.DefaultSelectionModel-configs"><img src="../resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>
7                         <a class="bookmark" href="../docs/?class=Ext.tree.DefaultSelectionModel"><img src="../resources/images/default/s.gif" class="item-icon icon-fav">Direct Link</a>
8         </div>
9                 <div class="inheritance res-block">
10 <pre class="res-block-inner"><a ext:cls="Ext.util.Observable" ext:member="" href="output/Ext.util.Observable.html">Observable</a>
11   <img src="resources/elbow-end.gif"/>DefaultSelectionModel</pre></div>
12                 <h1>Class Ext.tree.DefaultSelectionModel</h1>
13         <table cellspacing="0">
14             <tr><td class="label">Package:</td><td class="hd-info">Ext.tree</td></tr>
15             <tr><td class="label">Defined In:</td><td class="hd-info"><a href="../src/TreeSelectionModel.js" target="_blank">TreeSelectionModel.js</a></td></tr>
16             <tr><td class="label">Class:</td><td class="hd-info">DefaultSelectionModel</td></tr>
17                                     <tr><td class="label">Extends:</td><td class="hd-info"><a ext:cls="Ext.util.Observable" ext:member="" href="output/Ext.util.Observable.html">Observable</a></td></tr>
18                     </table>
19         <div class="description">
20             *
21 The default single selection for a TreePanel.        </div>
22         
23         <div class="hr"></div>
24                 <a id="Ext.tree.DefaultSelectionModel-configs"></a>
25         <h2>Config Options</h2>
26         <table cellspacing="0" class="member-table">
27             <tr>
28                 <th class="sig-header" colspan="2">Config Options</th>
29                 <th class="msource-header">Defined By</th>
30             </tr>
31                 <tr class="config-row inherited expandable">\r
32         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
33         <td class="sig">\r
34         <a id="Ext.tree.DefaultSelectionModel-listeners"></a>\r
35             <b>listeners</b> : Object            <div class="mdesc">\r
36                         <div class="short">(optional) A config object containing one or more event handlers to be added to this object during initialization. Th...</div>\r
37             <div class="long">\r
38                 (optional) A config object containing one or more event handlers to be added to this object during initialization. This should be a valid listeners config object as specified in the <a ext:cls="Ext.util.Observable" ext:member="addListener" href="output/Ext.util.Observable.html#addListener">addListener</a> example for attaching multiple handlers at once.            </div>\r
39                         </div>\r
40         </td>\r
41         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#listeners" href="output/Ext.util.Observable.html#listeners">Observable</a></td>\r
42     </tr>\r
43             </table>
44                 <a id="Ext.tree.DefaultSelectionModel-props"></a>
45         <h2>Public Properties</h2>
46         <div class="no-members">This class has no public properties.</div>        <a id="Ext.tree.DefaultSelectionModel-methods"></a>
47         <h2>Public Methods</h2>
48                 <table cellspacing="0" class="member-table">
49             <tr>
50                 <th class="sig-header" colspan="2">Method</th>
51                 <th class="msource-header">Defined By</th>
52             </tr>
53                 <tr class="method-row inherited expandable">\r
54         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
55         <td class="sig">\r
56         <a id="Ext.tree.DefaultSelectionModel-addEvents"></a>\r
57             <b>addEvents</b>(&nbsp;<code>Object object</code>&nbsp;) : void            <div class="mdesc">\r
58                         <div class="short">Used to define events on this Observable</div>\r
59             <div class="long">\r
60                 Used to define events on this Observable    <div class="mdetail-params">\r
61         <strong>Parameters:</strong>\r
62         <ul><li><code>object</code> : Object<div class="sub-desc">The object with the events defined</div></li>        </ul>\r
63         <strong>Returns:</strong>\r
64         <ul>\r
65             <li><code>void</code></li>\r
66         </ul>\r
67     </div>\r
68                 </div>\r
69                         </div>\r
70         </td>\r
71         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#addEvents" href="output/Ext.util.Observable.html#addEvents">Observable</a></td>\r
72     </tr>\r
73         <tr class="method-row inherited alt expandable">\r
74         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
75         <td class="sig">\r
76         <a id="Ext.tree.DefaultSelectionModel-addListener"></a>\r
77             <b>addListener</b>(&nbsp;<code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>, <span class="optional" title="Optional">[<code>Object options</code>]</span>&nbsp;) : void            <div class="mdesc">\r
78                         <div class="short">Appends an event handler to this component</div>\r
79             <div class="long">\r
80                 Appends an event handler to this component    <div class="mdetail-params">\r
81         <strong>Parameters:</strong>\r
82         <ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope in which to execute the handler
83 function. The handler function's "this" context.</div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration
84 properties. This may contain any of the following properties:<ul>
85 <li><b>scope</b> : Object<p class="sub-desc">The scope in which to execute the handler function. The handler function's "this" context.</p></li>
86 <li><b>delay</b> : Number<p class="sub-desc">The number of milliseconds to delay the invocation of the handler after the event fires.</p></li>
87 <li><b>single</b> : Boolean<p class="sub-desc">True to add a handler to handle just the next firing of the event, and then remove itself.</p></li>
88 <li><b>buffer</b> : Number<p class="sub-desc">Causes the handler to be scheduled to run in an <a ext:cls="Ext.util.DelayedTask" href="output/Ext.util.DelayedTask.html">Ext.util.DelayedTask</a> delayed
89 by the specified number of milliseconds. If the event fires again within that time, the original
90 handler is <em>not</em> invoked, but the new handler is scheduled in its place.</p></li>
91 </ul><br>
92 <p>
93 <b>Combining Options</b><br>
94 Using the options argument, it is possible to combine different types of listeners:<br>
95 <br>
96 A normalized, delayed, one-time listener that auto stops the event and passes a custom argument (forumId)
97 <pre><code>el.on(<em>'click'</em>, <b>this</b>.onClick, <b>this</b>, {
98     single: true,
99     delay: 100,
100     forumId: 4
101 });</code></pre>
102 <p>
103 <b>Attaching multiple handlers in 1 call</b><br>
104 The method also allows for a single argument to be passed which is a config object containing properties
105 which specify multiple handlers.
106 <p>
107 <pre><code>foo.on({
108     <em>'click'</em> : {
109         fn: <b>this</b>.onClick,
110         scope: <b>this</b>,
111         delay: 100
112     },
113     <em>'mouseover'</em> : {
114         fn: <b>this</b>.onMouseOver,
115         scope: <b>this</b>
116     },
117     <em>'mouseout'</em> : {
118         fn: <b>this</b>.onMouseOut,
119         scope: <b>this</b>
120     }
121 });</code></pre>
122 <p>
123 Or a shorthand syntax:<br>
124 <pre><code>foo.on({
125     <em>'click'</em> : <b>this</b>.onClick,
126     <em>'mouseover'</em> : <b>this</b>.onMouseOver,
127     <em>'mouseout'</em> : <b>this</b>.onMouseOut,
128      scope: <b>this</b>
129 });</code></pre></div></li>        </ul>\r
130         <strong>Returns:</strong>\r
131         <ul>\r
132             <li><code>void</code></li>\r
133         </ul>\r
134     </div>\r
135                 </div>\r
136                         </div>\r
137         </td>\r
138         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#addListener" href="output/Ext.util.Observable.html#addListener">Observable</a></td>\r
139     </tr>\r
140         <tr class="method-row expandable">\r
141         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
142         <td class="sig">\r
143         <a id="Ext.tree.DefaultSelectionModel-clearSelections"></a>\r
144             <b>clearSelections</b>() : void            <div class="mdesc">\r
145                         <div class="short">Clear all selections</div>\r
146             <div class="long">\r
147                 Clear all selections    <div class="mdetail-params">\r
148         <strong>Parameters:</strong>\r
149         <ul><li>None.</li>        </ul>\r
150         <strong>Returns:</strong>\r
151         <ul>\r
152             <li><code>void</code></li>\r
153         </ul>\r
154     </div>\r
155                 </div>\r
156                         </div>\r
157         </td>\r
158         <td class="msource">DefaultSelectionModel</td>\r
159     </tr>\r
160         <tr class="method-row inherited alt expandable">\r
161         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
162         <td class="sig">\r
163         <a id="Ext.tree.DefaultSelectionModel-fireEvent"></a>\r
164             <b>fireEvent</b>(&nbsp;<code>String eventName</code>, <code>Object... args</code>&nbsp;) : Boolean            <div class="mdesc">\r
165                         <div class="short">Fires the specified event with the passed parameters (minus the event name).</div>\r
166             <div class="long">\r
167                 Fires the specified event with the passed parameters (minus the event name).    <div class="mdetail-params">\r
168         <strong>Parameters:</strong>\r
169         <ul><li><code>eventName</code> : String<div class="sub-desc"></div></li><li><code>args</code> : Object...<div class="sub-desc">Variable number of parameters are passed to handlers</div></li>        </ul>\r
170         <strong>Returns:</strong>\r
171         <ul>\r
172             <li><code>Boolean</code><div class="sub-desc">returns false if any of the handlers return false otherwise it returns true</div></li>\r
173         </ul>\r
174     </div>\r
175                 </div>\r
176                         </div>\r
177         </td>\r
178         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#fireEvent" href="output/Ext.util.Observable.html#fireEvent">Observable</a></td>\r
179     </tr>\r
180         <tr class="method-row expandable">\r
181         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
182         <td class="sig">\r
183         <a id="Ext.tree.DefaultSelectionModel-getSelectedNode"></a>\r
184             <b>getSelectedNode</b>() : TreeNode            <div class="mdesc">\r
185                         <div class="short">Get the selected node</div>\r
186             <div class="long">\r
187                 Get the selected node    <div class="mdetail-params">\r
188         <strong>Parameters:</strong>\r
189         <ul><li>None.</li>        </ul>\r
190         <strong>Returns:</strong>\r
191         <ul>\r
192             <li><code>TreeNode</code><div class="sub-desc">The selected node</div></li>\r
193         </ul>\r
194     </div>\r
195                 </div>\r
196                         </div>\r
197         </td>\r
198         <td class="msource">DefaultSelectionModel</td>\r
199     </tr>\r
200         <tr class="method-row inherited alt expandable">\r
201         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
202         <td class="sig">\r
203         <a id="Ext.tree.DefaultSelectionModel-hasListener"></a>\r
204             <b>hasListener</b>(&nbsp;<code>String eventName</code>&nbsp;) : Boolean            <div class="mdesc">\r
205                         <div class="short">Checks to see if this object has any listeners for a specified event</div>\r
206             <div class="long">\r
207                 Checks to see if this object has any listeners for a specified event    <div class="mdetail-params">\r
208         <strong>Parameters:</strong>\r
209         <ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to check for</div></li>        </ul>\r
210         <strong>Returns:</strong>\r
211         <ul>\r
212             <li><code>Boolean</code><div class="sub-desc">True if the event is being listened for, else false</div></li>\r
213         </ul>\r
214     </div>\r
215                 </div>\r
216                         </div>\r
217         </td>\r
218         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#hasListener" href="output/Ext.util.Observable.html#hasListener">Observable</a></td>\r
219     </tr>\r
220         <tr class="method-row expandable">\r
221         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
222         <td class="sig">\r
223         <a id="Ext.tree.DefaultSelectionModel-isSelected"></a>\r
224             <b>isSelected</b>(&nbsp;<code>TreeNode node</code>&nbsp;) : Boolean            <div class="mdesc">\r
225                         <div class="short">Returns true if the node is selected</div>\r
226             <div class="long">\r
227                 Returns true if the node is selected    <div class="mdetail-params">\r
228         <strong>Parameters:</strong>\r
229         <ul><li><code>node</code> : TreeNode<div class="sub-desc">The node to check</div></li>        </ul>\r
230         <strong>Returns:</strong>\r
231         <ul>\r
232             <li><code>Boolean</code></li>\r
233         </ul>\r
234     </div>\r
235                 </div>\r
236                         </div>\r
237         </td>\r
238         <td class="msource">DefaultSelectionModel</td>\r
239     </tr>\r
240         <tr class="method-row inherited alt expandable">\r
241         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
242         <td class="sig">\r
243         <a id="Ext.tree.DefaultSelectionModel-on"></a>\r
244             <b>on</b>(&nbsp;<code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>, <span class="optional" title="Optional">[<code>Object options</code>]</span>&nbsp;) : void            <div class="mdesc">\r
245                         <div class="short">Appends an event handler to this element (shorthand for addListener)</div>\r
246             <div class="long">\r
247                 Appends an event handler to this element (shorthand for addListener)    <div class="mdetail-params">\r
248         <strong>Parameters:</strong>\r
249         <ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The method the event invokes</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope in which to execute the handler
250 function. The handler function's "this" context.</div></li><li><code>options</code> : Object<div class="sub-desc">(optional)</div></li>        </ul>\r
251         <strong>Returns:</strong>\r
252         <ul>\r
253             <li><code>void</code></li>\r
254         </ul>\r
255     </div>\r
256                 </div>\r
257                         </div>\r
258         </td>\r
259         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#on" href="output/Ext.util.Observable.html#on">Observable</a></td>\r
260     </tr>\r
261         <tr class="method-row inherited expandable">\r
262         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
263         <td class="sig">\r
264         <a id="Ext.tree.DefaultSelectionModel-purgeListeners"></a>\r
265             <b>purgeListeners</b>() : void            <div class="mdesc">\r
266                         <div class="short">Removes all listeners for this object</div>\r
267             <div class="long">\r
268                 Removes all listeners for this object    <div class="mdetail-params">\r
269         <strong>Parameters:</strong>\r
270         <ul><li>None.</li>        </ul>\r
271         <strong>Returns:</strong>\r
272         <ul>\r
273             <li><code>void</code></li>\r
274         </ul>\r
275     </div>\r
276                 </div>\r
277                         </div>\r
278         </td>\r
279         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#purgeListeners" href="output/Ext.util.Observable.html#purgeListeners">Observable</a></td>\r
280     </tr>\r
281         <tr class="method-row inherited alt expandable">\r
282         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
283         <td class="sig">\r
284         <a id="Ext.tree.DefaultSelectionModel-relayEvents"></a>\r
285             <b>relayEvents</b>(&nbsp;<code>Object o</code>, <code>Array events</code>&nbsp;) : void            <div class="mdesc">\r
286                         <div class="short">Relays selected events from the specified Observable as if the events were fired by <tt><b>this</b></tt>.</div>\r
287             <div class="long">\r
288                 Relays selected events from the specified Observable as if the events were fired by <tt><b>this</b></tt>.    <div class="mdetail-params">\r
289         <strong>Parameters:</strong>\r
290         <ul><li><code>o</code> : Object<div class="sub-desc">The Observable whose events this object is to relay.</div></li><li><code>events</code> : Array<div class="sub-desc">Array of event names to relay.</div></li>        </ul>\r
291         <strong>Returns:</strong>\r
292         <ul>\r
293             <li><code>void</code></li>\r
294         </ul>\r
295     </div>\r
296                 </div>\r
297                         </div>\r
298         </td>\r
299         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#relayEvents" href="output/Ext.util.Observable.html#relayEvents">Observable</a></td>\r
300     </tr>\r
301         <tr class="method-row inherited expandable">\r
302         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
303         <td class="sig">\r
304         <a id="Ext.tree.DefaultSelectionModel-removeListener"></a>\r
305             <b>removeListener</b>(&nbsp;<code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>&nbsp;) : void            <div class="mdesc">\r
306                         <div class="short">Removes a listener</div>\r
307             <div class="long">\r
308                 Removes a listener    <div class="mdetail-params">\r
309         <strong>Parameters:</strong>\r
310         <ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The handler to remove</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (this object) for the handler</div></li>        </ul>\r
311         <strong>Returns:</strong>\r
312         <ul>\r
313             <li><code>void</code></li>\r
314         </ul>\r
315     </div>\r
316                 </div>\r
317                         </div>\r
318         </td>\r
319         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#removeListener" href="output/Ext.util.Observable.html#removeListener">Observable</a></td>\r
320     </tr>\r
321         <tr class="method-row inherited alt expandable">\r
322         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
323         <td class="sig">\r
324         <a id="Ext.tree.DefaultSelectionModel-resumeEvents"></a>\r
325             <b>resumeEvents</b>() : void            <div class="mdesc">\r
326                         <div class="short">Resume firing events. (see <a ext:cls="Ext.util.Observable" ext:member="suspendEvents" href="output/Ext.util.Observable.html#suspendEvents">suspendEvents</a>)</div>\r
327             <div class="long">\r
328                 Resume firing events. (see <a ext:cls="Ext.util.Observable" ext:member="suspendEvents" href="output/Ext.util.Observable.html#suspendEvents">suspendEvents</a>)    <div class="mdetail-params">\r
329         <strong>Parameters:</strong>\r
330         <ul><li>None.</li>        </ul>\r
331         <strong>Returns:</strong>\r
332         <ul>\r
333             <li><code>void</code></li>\r
334         </ul>\r
335     </div>\r
336                 </div>\r
337                         </div>\r
338         </td>\r
339         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#resumeEvents" href="output/Ext.util.Observable.html#resumeEvents">Observable</a></td>\r
340     </tr>\r
341         <tr class="method-row expandable">\r
342         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
343         <td class="sig">\r
344         <a id="Ext.tree.DefaultSelectionModel-select"></a>\r
345             <b>select</b>(&nbsp;<code>TreeNode node</code>&nbsp;) : TreeNode            <div class="mdesc">\r
346                         <div class="short">Select a node.</div>\r
347             <div class="long">\r
348                 Select a node.    <div class="mdetail-params">\r
349         <strong>Parameters:</strong>\r
350         <ul><li><code>node</code> : TreeNode<div class="sub-desc">The node to select</div></li>        </ul>\r
351         <strong>Returns:</strong>\r
352         <ul>\r
353             <li><code>TreeNode</code><div class="sub-desc">The selected node</div></li>\r
354         </ul>\r
355     </div>\r
356                 </div>\r
357                         </div>\r
358         </td>\r
359         <td class="msource">DefaultSelectionModel</td>\r
360     </tr>\r
361         <tr class="method-row alt expandable">\r
362         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
363         <td class="sig">\r
364         <a id="Ext.tree.DefaultSelectionModel-selectNext"></a>\r
365             <b>selectNext</b>() : TreeNode            <div class="mdesc">\r
366                         <div class="short">Selects the node above the selected node in the tree, intelligently walking the nodes</div>\r
367             <div class="long">\r
368                 Selects the node above the selected node in the tree, intelligently walking the nodes    <div class="mdetail-params">\r
369         <strong>Parameters:</strong>\r
370         <ul><li>None.</li>        </ul>\r
371         <strong>Returns:</strong>\r
372         <ul>\r
373             <li><code>TreeNode</code><div class="sub-desc">The new selection</div></li>\r
374         </ul>\r
375     </div>\r
376                 </div>\r
377                         </div>\r
378         </td>\r
379         <td class="msource">DefaultSelectionModel</td>\r
380     </tr>\r
381         <tr class="method-row expandable">\r
382         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
383         <td class="sig">\r
384         <a id="Ext.tree.DefaultSelectionModel-selectPrevious"></a>\r
385             <b>selectPrevious</b>() : TreeNode            <div class="mdesc">\r
386                         <div class="short">Selects the node above the selected node in the tree, intelligently walking the nodes</div>\r
387             <div class="long">\r
388                 Selects the node above the selected node in the tree, intelligently walking the nodes    <div class="mdetail-params">\r
389         <strong>Parameters:</strong>\r
390         <ul><li>None.</li>        </ul>\r
391         <strong>Returns:</strong>\r
392         <ul>\r
393             <li><code>TreeNode</code><div class="sub-desc">The new selection</div></li>\r
394         </ul>\r
395     </div>\r
396                 </div>\r
397                         </div>\r
398         </td>\r
399         <td class="msource">DefaultSelectionModel</td>\r
400     </tr>\r
401         <tr class="method-row inherited alt expandable">\r
402         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
403         <td class="sig">\r
404         <a id="Ext.tree.DefaultSelectionModel-suspendEvents"></a>\r
405             <b>suspendEvents</b>() : void            <div class="mdesc">\r
406                         <div class="short">Suspend the firing of all events. (see <a ext:cls="Ext.util.Observable" ext:member="resumeEvents" href="output/Ext.util.Observable.html#resumeEvents">resumeEvents</a>)</div>\r
407             <div class="long">\r
408                 Suspend the firing of all events. (see <a ext:cls="Ext.util.Observable" ext:member="resumeEvents" href="output/Ext.util.Observable.html#resumeEvents">resumeEvents</a>)    <div class="mdetail-params">\r
409         <strong>Parameters:</strong>\r
410         <ul><li>None.</li>        </ul>\r
411         <strong>Returns:</strong>\r
412         <ul>\r
413             <li><code>void</code></li>\r
414         </ul>\r
415     </div>\r
416                 </div>\r
417                         </div>\r
418         </td>\r
419         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#suspendEvents" href="output/Ext.util.Observable.html#suspendEvents">Observable</a></td>\r
420     </tr>\r
421         <tr class="method-row inherited expandable">\r
422         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
423         <td class="sig">\r
424         <a id="Ext.tree.DefaultSelectionModel-un"></a>\r
425             <b>un</b>(&nbsp;<code>String eventName</code>, <code>Function handler</code>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>&nbsp;) : void            <div class="mdesc">\r
426                         <div class="short">Removes a listener (shorthand for removeListener)</div>\r
427             <div class="long">\r
428                 Removes a listener (shorthand for removeListener)    <div class="mdetail-params">\r
429         <strong>Parameters:</strong>\r
430         <ul><li><code>eventName</code> : String<div class="sub-desc">The type of event to listen for</div></li><li><code>handler</code> : Function<div class="sub-desc">The handler to remove</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The scope (this object) for the handler</div></li>        </ul>\r
431         <strong>Returns:</strong>\r
432         <ul>\r
433             <li><code>void</code></li>\r
434         </ul>\r
435     </div>\r
436                 </div>\r
437                         </div>\r
438         </td>\r
439         <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#un" href="output/Ext.util.Observable.html#un">Observable</a></td>\r
440     </tr>\r
441         <tr class="method-row alt expandable">\r
442         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
443         <td class="sig">\r
444         <a id="Ext.tree.DefaultSelectionModel-unselect"></a>\r
445             <b>unselect</b>(&nbsp;<code>TreeNode node</code>&nbsp;) : void            <div class="mdesc">\r
446                         <div class="short">Deselect a node.</div>\r
447             <div class="long">\r
448                 Deselect a node.    <div class="mdetail-params">\r
449         <strong>Parameters:</strong>\r
450         <ul><li><code>node</code> : TreeNode<div class="sub-desc">The node to unselect</div></li>        </ul>\r
451         <strong>Returns:</strong>\r
452         <ul>\r
453             <li><code>void</code></li>\r
454         </ul>\r
455     </div>\r
456                 </div>\r
457                         </div>\r
458         </td>\r
459         <td class="msource">DefaultSelectionModel</td>\r
460     </tr>\r
461             </table>
462                 <a id="Ext.tree.DefaultSelectionModel-events"></a>
463         <h2>Public Events</h2>
464                 <table cellspacing="0" class="member-table">
465             <tr>
466                 <th class="sig-header" colspan="2">Event</th>
467                 <th class="msource-header">Defined By</th>
468             </tr>
469                 <tr class="event-row expandable">\r
470         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
471         <td class="sig">\r
472         <a id="Ext.tree.DefaultSelectionModel-beforeselect"></a>\r
473             <b>beforeselect</b> : (&nbsp;<code>DefaultSelectionModel this</code>, <code>TreeNode node</code>, <code>TreeNode node</code>&nbsp;)            <div class="mdesc">\r
474                         <div class="short">Fires before the selected node changes, return false to cancel the change</div>\r
475             <div class="long">\r
476                 Fires before the selected node changes, return false to cancel the change    <div class="mdetail-params">\r
477         <strong style="font-weight:normal;">Listeners will be called with the following arguments:</strong>\r
478         <ul><li><code>this</code> : DefaultSelectionModel<div class="sub-desc"></div></li><li><code>node</code> : TreeNode<div class="sub-desc">the new selection</div></li><li><code>node</code> : TreeNode<div class="sub-desc">the old selection</div></li>        </ul>\r
479     </div>\r
480                 </div>\r
481                         </div>\r
482         </td>\r
483         <td class="msource">DefaultSelectionModel</td>\r
484     </tr>\r
485         <tr class="event-row alt expandable">\r
486         <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>\r
487         <td class="sig">\r
488         <a id="Ext.tree.DefaultSelectionModel-selectionchange"></a>\r
489             <b>selectionchange</b> : (&nbsp;<code>DefaultSelectionModel this</code>, <code>TreeNode node</code>&nbsp;)            <div class="mdesc">\r
490                         <div class="short">Fires when the selected node changes</div>\r
491             <div class="long">\r
492                 Fires when the selected node changes    <div class="mdetail-params">\r
493         <strong style="font-weight:normal;">Listeners will be called with the following arguments:</strong>\r
494         <ul><li><code>this</code> : DefaultSelectionModel<div class="sub-desc"></div></li><li><code>node</code> : TreeNode<div class="sub-desc">the new selection</div></li>        </ul>\r
495     </div>\r
496                 </div>\r
497                         </div>\r
498         </td>\r
499         <td class="msource">DefaultSelectionModel</td>\r
500     </tr>\r
501             </table>
502         
503         </div>