source: trunk/web/addons/job_monarch/lib/extjs/docs/output/Ext.History.html @ 619

Last change on this file since 619 was 619, checked in by ramonb, 15 years ago

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  • added new AJAX dependancies: ExtJS, pChart, Lightbox2
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1        <div class="body-wrap">
2        <div class="top-tools">
3            <a class="inner-link" href="#Ext.History-props"><img src="../resources/images/default/s.gif" class="item-icon icon-prop">Properties</a>
4            <a class="inner-link" href="#Ext.History-methods"><img src="../resources/images/default/s.gif" class="item-icon icon-method">Methods</a>
5            <a class="inner-link" href="#Ext.History-events"><img src="../resources/images/default/s.gif" class="item-icon icon-event">Events</a>
6                            <a class="inner-link" href="#Ext.History-configs"><img src="../resources/images/default/s.gif" class="item-icon icon-config">Config Options</a>
7                        <a class="bookmark" href="../docs/?class=Ext.History"><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"/>History</pre></div>
12                <h1>Class Ext.History</h1>
13        <table cellspacing="0">
14            <tr><td class="label">Package:</td><td class="hd-info">Ext</td></tr>
15            <tr><td class="label">Defined In:</td><td class="hd-info"><a href="../src/History.js" target="_blank">History.js</a></td></tr>
16            <tr><td class="label">Class:</td><td class="hd-info">History</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            *
21History management component that allows you to register arbitrary tokens that signify application
22history state on navigation actions.  You can then handle the history <a ext:cls="Ext.History" ext:member="change" href="output/Ext.History.html#change">change</a> event in order
23to reset your application UI to the appropriate state when the user navigates forward or backward through
24the browser history stack.<br><br><i>This class is a singleton and cannot be created directly.</i>        </div>
25       
26        <div class="hr"></div>
27                <a id="Ext.History-configs"></a>
28        <h2>Config Options</h2>
29        <table cellspacing="0" class="member-table">
30            <tr>
31                <th class="sig-header" colspan="2">Config Options</th>
32                <th class="msource-header">Defined By</th>
33            </tr>
34                <tr class="config-row inherited expandable">
35        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
36        <td class="sig">
37        <a id="Ext.History-listeners"></a>
38            <b>listeners</b> : Object            <div class="mdesc">
39                        <div class="short">(optional) A config object containing one or more event handlers to be added to this object during initialization. Th...</div>
40            <div class="long">
41                (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>
42                        </div>
43        </td>
44        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#listeners" href="output/Ext.util.Observable.html#listeners">Observable</a></td>
45    </tr>
46            </table>
47                <a id="Ext.History-props"></a>
48        <h2>Public Properties</h2>
49                <table cellspacing="0" class="member-table">
50            <tr>
51                <th class="sig-header" colspan="2">Property</th>
52                <th class="msource-header">Defined By</th>
53            </tr>
54                <tr class="property-row">
55        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
56        <td class="sig">
57        <a id="Ext.History-fieldId"></a>
58            <b>fieldId</b> : String            <div class="mdesc">
59                            The id of the hidden field required for storing the current history token.                        </div>
60        </td>
61        <td class="msource">History</td>
62    </tr>
63        <tr class="property-row alt">
64        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
65        <td class="sig">
66        <a id="Ext.History-iframeId"></a>
67            <b>iframeId</b> : String            <div class="mdesc">
68                            The id of the iframe required by IE to manage the history stack.                        </div>
69        </td>
70        <td class="msource">History</td>
71    </tr>
72            </table>
73                <a id="Ext.History-methods"></a>
74        <h2>Public Methods</h2>
75                <table cellspacing="0" class="member-table">
76            <tr>
77                <th class="sig-header" colspan="2">Method</th>
78                <th class="msource-header">Defined By</th>
79            </tr>
80                <tr class="method-row expandable">
81        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
82        <td class="sig">
83        <a id="Ext.History-add"></a>
84            <b>add</b>(&nbsp;<code>String token</code>, <code>Boolean preventDuplicates</code>&nbsp;) : void            <div class="mdesc">
85                        <div class="short">Add a new token to the history stack. This can be any arbitrary value, although it would
86commonly be the concatenatio...</div>
87            <div class="long">
88                Add a new token to the history stack. This can be any arbitrary value, although it would
89commonly be the concatenation of a component id and another id marking the specifc history
90state of that component.  Example usage:
91<pre><code><i>// Handle tab changes on a TabPanel</i>
92tabPanel.on(<em>'tabchange'</em>, <b>function</b>(tabPanel, tab){
93    Ext.History.add(tabPanel.id + <em>':'</em> + tab.id);
94});</code></pre>    <div class="mdetail-params">
95        <strong>Parameters:</strong>
96        <ul><li><code>token</code> : String<div class="sub-desc">The value that defines a particular application-specific history state</div></li><li><code>preventDuplicates</code> : Boolean<div class="sub-desc">When true, if the passed token matches the current token
97it will not save a new history step. Set to false if the same state can be saved more than once
98at the same history stack location (defaults to true).</div></li>        </ul>
99        <strong>Returns:</strong>
100        <ul>
101            <li><code>void</code></li>
102        </ul>
103    </div>
104                </div>
105                        </div>
106        </td>
107        <td class="msource">History</td>
108    </tr>
109        <tr class="method-row inherited alt expandable">
110        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
111        <td class="sig">
112        <a id="Ext.History-addEvents"></a>
113            <b>addEvents</b>(&nbsp;<code>Object object</code>&nbsp;) : void            <div class="mdesc">
114                        <div class="short">Used to define events on this Observable</div>
115            <div class="long">
116                Used to define events on this Observable    <div class="mdetail-params">
117        <strong>Parameters:</strong>
118        <ul><li><code>object</code> : Object<div class="sub-desc">The object with the events defined</div></li>        </ul>
119        <strong>Returns:</strong>
120        <ul>
121            <li><code>void</code></li>
122        </ul>
123    </div>
124                </div>
125                        </div>
126        </td>
127        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#addEvents" href="output/Ext.util.Observable.html#addEvents">Observable</a></td>
128    </tr>
129        <tr class="method-row inherited expandable">
130        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
131        <td class="sig">
132        <a id="Ext.History-addListener"></a>
133            <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">
134                        <div class="short">Appends an event handler to this component</div>
135            <div class="long">
136                Appends an event handler to this component    <div class="mdetail-params">
137        <strong>Parameters:</strong>
138        <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
139function. The handler function's "this" context.</div></li><li><code>options</code> : Object<div class="sub-desc">(optional) An object containing handler configuration
140properties. This may contain any of the following properties:<ul>
141<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>
142<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>
143<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>
144<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
145by the specified number of milliseconds. If the event fires again within that time, the original
146handler is <em>not</em> invoked, but the new handler is scheduled in its place.</p></li>
147</ul><br>
148<p>
149<b>Combining Options</b><br>
150Using the options argument, it is possible to combine different types of listeners:<br>
151<br>
152A normalized, delayed, one-time listener that auto stops the event and passes a custom argument (forumId)
153<pre><code>el.on(<em>'click'</em>, <b>this</b>.onClick, <b>this</b>, {
154    single: true,
155    delay: 100,
156    forumId: 4
157});</code></pre>
158<p>
159<b>Attaching multiple handlers in 1 call</b><br>
160The method also allows for a single argument to be passed which is a config object containing properties
161which specify multiple handlers.
162<p>
163<pre><code>foo.on({
164    <em>'click'</em> : {
165        fn: <b>this</b>.onClick,
166        scope: <b>this</b>,
167        delay: 100
168    },
169    <em>'mouseover'</em> : {
170        fn: <b>this</b>.onMouseOver,
171        scope: <b>this</b>
172    },
173    <em>'mouseout'</em> : {
174        fn: <b>this</b>.onMouseOut,
175        scope: <b>this</b>
176    }
177});</code></pre>
178<p>
179Or a shorthand syntax:<br>
180<pre><code>foo.on({
181    <em>'click'</em> : <b>this</b>.onClick,
182    <em>'mouseover'</em> : <b>this</b>.onMouseOver,
183    <em>'mouseout'</em> : <b>this</b>.onMouseOut,
184     scope: <b>this</b>
185});</code></pre></div></li>        </ul>
186        <strong>Returns:</strong>
187        <ul>
188            <li><code>void</code></li>
189        </ul>
190    </div>
191                </div>
192                        </div>
193        </td>
194        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#addListener" href="output/Ext.util.Observable.html#addListener">Observable</a></td>
195    </tr>
196        <tr class="method-row alt expandable">
197        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
198        <td class="sig">
199        <a id="Ext.History-back"></a>
200            <b>back</b>() : void            <div class="mdesc">
201                        <div class="short">Programmatically steps back one step in browser history (equivalent to the user pressing the Back button).</div>
202            <div class="long">
203                Programmatically steps back one step in browser history (equivalent to the user pressing the Back button).    <div class="mdetail-params">
204        <strong>Parameters:</strong>
205        <ul><li>None.</li>        </ul>
206        <strong>Returns:</strong>
207        <ul>
208            <li><code>void</code></li>
209        </ul>
210    </div>
211                </div>
212                        </div>
213        </td>
214        <td class="msource">History</td>
215    </tr>
216        <tr class="method-row inherited expandable">
217        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
218        <td class="sig">
219        <a id="Ext.History-fireEvent"></a>
220            <b>fireEvent</b>(&nbsp;<code>String eventName</code>, <code>Object... args</code>&nbsp;) : Boolean            <div class="mdesc">
221                        <div class="short">Fires the specified event with the passed parameters (minus the event name).</div>
222            <div class="long">
223                Fires the specified event with the passed parameters (minus the event name).    <div class="mdetail-params">
224        <strong>Parameters:</strong>
225        <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>
226        <strong>Returns:</strong>
227        <ul>
228            <li><code>Boolean</code><div class="sub-desc">returns false if any of the handlers return false otherwise it returns true</div></li>
229        </ul>
230    </div>
231                </div>
232                        </div>
233        </td>
234        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#fireEvent" href="output/Ext.util.Observable.html#fireEvent">Observable</a></td>
235    </tr>
236        <tr class="method-row alt expandable">
237        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
238        <td class="sig">
239        <a id="Ext.History-forward"></a>
240            <b>forward</b>() : void            <div class="mdesc">
241                        <div class="short">Programmatically steps forward one step in browser history (equivalent to the user pressing the Forward button).</div>
242            <div class="long">
243                Programmatically steps forward one step in browser history (equivalent to the user pressing the Forward button).    <div class="mdetail-params">
244        <strong>Parameters:</strong>
245        <ul><li>None.</li>        </ul>
246        <strong>Returns:</strong>
247        <ul>
248            <li><code>void</code></li>
249        </ul>
250    </div>
251                </div>
252                        </div>
253        </td>
254        <td class="msource">History</td>
255    </tr>
256        <tr class="method-row expandable">
257        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
258        <td class="sig">
259        <a id="Ext.History-getToken"></a>
260            <b>getToken</b>() : String            <div class="mdesc">
261                        <div class="short">Retrieves the currently-active history token.</div>
262            <div class="long">
263                Retrieves the currently-active history token.    <div class="mdetail-params">
264        <strong>Parameters:</strong>
265        <ul><li>None.</li>        </ul>
266        <strong>Returns:</strong>
267        <ul>
268            <li><code>String</code><div class="sub-desc">The token</div></li>
269        </ul>
270    </div>
271                </div>
272                        </div>
273        </td>
274        <td class="msource">History</td>
275    </tr>
276        <tr class="method-row inherited alt expandable">
277        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
278        <td class="sig">
279        <a id="Ext.History-hasListener"></a>
280            <b>hasListener</b>(&nbsp;<code>String eventName</code>&nbsp;) : Boolean            <div class="mdesc">
281                        <div class="short">Checks to see if this object has any listeners for a specified event</div>
282            <div class="long">
283                Checks to see if this object has any listeners for a specified event    <div class="mdetail-params">
284        <strong>Parameters:</strong>
285        <ul><li><code>eventName</code> : String<div class="sub-desc">The name of the event to check for</div></li>        </ul>
286        <strong>Returns:</strong>
287        <ul>
288            <li><code>Boolean</code><div class="sub-desc">True if the event is being listened for, else false</div></li>
289        </ul>
290    </div>
291                </div>
292                        </div>
293        </td>
294        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#hasListener" href="output/Ext.util.Observable.html#hasListener">Observable</a></td>
295    </tr>
296        <tr class="method-row expandable">
297        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
298        <td class="sig">
299        <a id="Ext.History-init"></a>
300            <b>init</b>(&nbsp;<span class="optional" title="Optional">[<code>Boolean onReady</code>]</span>, <span class="optional" title="Optional">[<code>Object scope</code>]</span>&nbsp;) : void            <div class="mdesc">
301                        <div class="short">Initialize the global History instance.</div>
302            <div class="long">
303                Initialize the global History instance.    <div class="mdetail-params">
304        <strong>Parameters:</strong>
305        <ul><li><code>onReady</code> : Boolean<div class="sub-desc">(optional) A callback function that will be called once the history
306component is fully initialized.</div></li><li><code>scope</code> : Object<div class="sub-desc">(optional) The callback scope</div></li>        </ul>
307        <strong>Returns:</strong>
308        <ul>
309            <li><code>void</code></li>
310        </ul>
311    </div>
312                </div>
313                        </div>
314        </td>
315        <td class="msource">History</td>
316    </tr>
317        <tr class="method-row inherited alt expandable">
318        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
319        <td class="sig">
320        <a id="Ext.History-on"></a>
321            <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">
322                        <div class="short">Appends an event handler to this element (shorthand for addListener)</div>
323            <div class="long">
324                Appends an event handler to this element (shorthand for addListener)    <div class="mdetail-params">
325        <strong>Parameters:</strong>
326        <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
327function. The handler function's "this" context.</div></li><li><code>options</code> : Object<div class="sub-desc">(optional)</div></li>        </ul>
328        <strong>Returns:</strong>
329        <ul>
330            <li><code>void</code></li>
331        </ul>
332    </div>
333                </div>
334                        </div>
335        </td>
336        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#on" href="output/Ext.util.Observable.html#on">Observable</a></td>
337    </tr>
338        <tr class="method-row inherited expandable">
339        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
340        <td class="sig">
341        <a id="Ext.History-purgeListeners"></a>
342            <b>purgeListeners</b>() : void            <div class="mdesc">
343                        <div class="short">Removes all listeners for this object</div>
344            <div class="long">
345                Removes all listeners for this object    <div class="mdetail-params">
346        <strong>Parameters:</strong>
347        <ul><li>None.</li>        </ul>
348        <strong>Returns:</strong>
349        <ul>
350            <li><code>void</code></li>
351        </ul>
352    </div>
353                </div>
354                        </div>
355        </td>
356        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#purgeListeners" href="output/Ext.util.Observable.html#purgeListeners">Observable</a></td>
357    </tr>
358        <tr class="method-row inherited alt expandable">
359        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
360        <td class="sig">
361        <a id="Ext.History-relayEvents"></a>
362            <b>relayEvents</b>(&nbsp;<code>Object o</code>, <code>Array events</code>&nbsp;) : void            <div class="mdesc">
363                        <div class="short">Relays selected events from the specified Observable as if the events were fired by <tt><b>this</b></tt>.</div>
364            <div class="long">
365                Relays selected events from the specified Observable as if the events were fired by <tt><b>this</b></tt>.    <div class="mdetail-params">
366        <strong>Parameters:</strong>
367        <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>
368        <strong>Returns:</strong>
369        <ul>
370            <li><code>void</code></li>
371        </ul>
372    </div>
373                </div>
374                        </div>
375        </td>
376        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#relayEvents" href="output/Ext.util.Observable.html#relayEvents">Observable</a></td>
377    </tr>
378        <tr class="method-row inherited expandable">
379        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
380        <td class="sig">
381        <a id="Ext.History-removeListener"></a>
382            <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">
383                        <div class="short">Removes a listener</div>
384            <div class="long">
385                Removes a listener    <div class="mdetail-params">
386        <strong>Parameters:</strong>
387        <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>
388        <strong>Returns:</strong>
389        <ul>
390            <li><code>void</code></li>
391        </ul>
392    </div>
393                </div>
394                        </div>
395        </td>
396        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#removeListener" href="output/Ext.util.Observable.html#removeListener">Observable</a></td>
397    </tr>
398        <tr class="method-row inherited alt expandable">
399        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
400        <td class="sig">
401        <a id="Ext.History-resumeEvents"></a>
402            <b>resumeEvents</b>() : void            <div class="mdesc">
403                        <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>
404            <div class="long">
405                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">
406        <strong>Parameters:</strong>
407        <ul><li>None.</li>        </ul>
408        <strong>Returns:</strong>
409        <ul>
410            <li><code>void</code></li>
411        </ul>
412    </div>
413                </div>
414                        </div>
415        </td>
416        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#resumeEvents" href="output/Ext.util.Observable.html#resumeEvents">Observable</a></td>
417    </tr>
418        <tr class="method-row inherited expandable">
419        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
420        <td class="sig">
421        <a id="Ext.History-suspendEvents"></a>
422            <b>suspendEvents</b>() : void            <div class="mdesc">
423                        <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>
424            <div class="long">
425                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">
426        <strong>Parameters:</strong>
427        <ul><li>None.</li>        </ul>
428        <strong>Returns:</strong>
429        <ul>
430            <li><code>void</code></li>
431        </ul>
432    </div>
433                </div>
434                        </div>
435        </td>
436        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#suspendEvents" href="output/Ext.util.Observable.html#suspendEvents">Observable</a></td>
437    </tr>
438        <tr class="method-row inherited alt expandable">
439        <td class="micon"><a class="exi" href="#expand">&nbsp;</a></td>
440        <td class="sig">
441        <a id="Ext.History-un"></a>
442            <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">
443                        <div class="short">Removes a listener (shorthand for removeListener)</div>
444            <div class="long">
445                Removes a listener (shorthand for removeListener)    <div class="mdetail-params">
446        <strong>Parameters:</strong>
447        <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>
448        <strong>Returns:</strong>
449        <ul>
450            <li><code>void</code></li>
451        </ul>
452    </div>
453                </div>
454                        </div>
455        </td>
456        <td class="msource"><a ext:cls="Ext.util.Observable" ext:member="#un" href="output/Ext.util.Observable.html#un">Observable</a></td>
457    </tr>
458            </table>
459                <a id="Ext.History-events"></a>
460        <h2>Public Events</h2>
461        <div class="no-members">This class has no public events.</div>
462        </div>
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