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<div class="subTitle">com.mxgraph.view</div>
<h2 title="Class mxGraphSelectionModel" class="title">Class mxGraphSelectionModel</h2>
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<li>com.mxgraph.view.mxGraphSelectionModel</li>
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<pre>public class <span class="strong">mxGraphSelectionModel</span>
extends <a href="../../../com/mxgraph/util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></pre>
<div class="block">Implements the selection model for a graph.
This class fires the following events:
mxEvent.UNDO fires after the selection was changed in changeSelection. The
<code>edit</code> property contains the mxUndoableEdit which contains the
mxSelectionChange.
mxEvent.CHANGE fires after the selection changes by executing an
mxSelectionChange. The <code>added</code> and <code>removed</code>
properties contain Collections of cells that have been added to or removed
from the selection, respectively.
NOTE: Due to a historic bug that cannot be changed at this point the
names of the properties are "reversed".
To add a change listener to the graph selection model:
<code>
addListener(
mxEvent.CHANGE, new mxIEventListener()
{
public void invoke(Object sender, mxEventObject evt)
{
mxGraphSelectionModel model = (mxSelectionModel) sender;
Collection added = (Collection) evt.getProperty("added");
Collection removed = (Collection) evt.getProperty("removed");
selectionChanged(model, added, removed);
}
});
</code></div>
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<td class="colFirst"><code>static class&nbsp;</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.mxSelectionChange.html" title="class in com.mxgraph.view">mxGraphSelectionModel.mxSelectionChange</a></strong></code>&nbsp;</td>
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<h3>Nested classes/interfaces inherited from class&nbsp;com.mxgraph.util.<a href="../../../com/mxgraph/util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></h3>
<code><a href="../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a></code></li>
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<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#cells">cells</a></strong></code>
<div class="block">Holds the selection cells.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a></code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#graph">graph</a></strong></code>
<div class="block">Reference to the enclosing graph.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#singleSelection">singleSelection</a></strong></code>
<div class="block">Specifies if only one selected item at a time is allowed.</div>
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<code><a href="../../../com/mxgraph/util/mxEventSource.html#eventListeners">eventListeners</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#eventsEnabled">eventsEnabled</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#eventSource">eventSource</a></code></li>
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<td class="colOne"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#mxGraphSelectionModel(com.mxgraph.view.mxGraph)">mxGraphSelectionModel</a></strong>(<a href="../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;graph)</code>
<div class="block">Constructs a new selection model for the specified graph.</div>
</td>
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<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#addCell(java.lang.Object)">addCell</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</code>
<div class="block">Adds the given cell to the selection.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#addCells(java.lang.Object[])">addCells</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&nbsp;cells)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#cellAdded(java.lang.Object)">cellAdded</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#cellRemoved(java.lang.Object)">cellRemoved</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#changeSelection(java.util.Collection, java.util.Collection)">changeSelection</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;added,
<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;removed)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#clear()">clear</a></strong>()</code>
<div class="block">Clears the selection.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#getCell()">getCell</a></strong>()</code>
<div class="block">Returns the first selected cell.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#getCells()">getCells</a></strong>()</code>
<div class="block">Returns the selection cells.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#getFirstSelectableCell(java.lang.Object[])">getFirstSelectableCell</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&nbsp;cells)</code>
<div class="block">Returns the first selectable cell in the given array of cells.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#isEmpty()">isEmpty</a></strong>()</code>
<div class="block">Returns true if no cells are selected.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#isSelected(java.lang.Object)">isSelected</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</code>
<div class="block">Returns true if the given cell is selected.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#isSingleSelection()">isSingleSelection</a></strong>()</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#removeCell(java.lang.Object)">removeCell</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</code>
<div class="block">Removes the given cell from the selection.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#removeCells(java.lang.Object[])">removeCells</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&nbsp;cells)</code>&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#setCell(java.lang.Object)">setCell</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</code>
<div class="block">Clears the selection and adds the given cell to the selection.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#setCells(java.lang.Object[])">setCells</a></strong>(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&nbsp;cells)</code>
<div class="block">Clears the selection and adds the given cells.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#setSingleSelection(boolean)">setSingleSelection</a></strong>(boolean&nbsp;singleSelection)</code>&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../com/mxgraph/view/mxGraphSelectionModel.html#size()">size</a></strong>()</code>
<div class="block">Returns the number of selected cells.</div>
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<h3>Methods inherited from class&nbsp;com.mxgraph.util.<a href="../../../com/mxgraph/util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></h3>
<code><a href="../../../com/mxgraph/util/mxEventSource.html#addListener(java.lang.String, com.mxgraph.util.mxEventSource.mxIEventListener)">addListener</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#fireEvent(com.mxgraph.util.mxEventObject)">fireEvent</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#fireEvent(com.mxgraph.util.mxEventObject, java.lang.Object)">fireEvent</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#getEventSource()">getEventSource</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#isEventsEnabled()">isEventsEnabled</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#removeListener(com.mxgraph.util.mxEventSource.mxIEventListener)">removeListener</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#removeListener(com.mxgraph.util.mxEventSource.mxIEventListener, java.lang.String)">removeListener</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#setEventsEnabled(boolean)">setEventsEnabled</a>, <a href="../../../com/mxgraph/util/mxEventSource.html#setEventSource(java.lang.Object)">setEventSource</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<h4>graph</h4>
<pre>protected&nbsp;<a href="../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a> graph</pre>
<div class="block">Reference to the enclosing graph.</div>
</li>
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<a name="singleSelection">
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<h4>singleSelection</h4>
<pre>protected&nbsp;boolean singleSelection</pre>
<div class="block">Specifies if only one selected item at a time is allowed.
Default is false.</div>
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<a name="cells">
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<h4>cells</h4>
<pre>protected&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a>&lt;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt; cells</pre>
<div class="block">Holds the selection cells.</div>
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<h4>mxGraphSelectionModel</h4>
<pre>public&nbsp;mxGraphSelectionModel(<a href="../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;graph)</pre>
<div class="block">Constructs a new selection model for the specified graph.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>graph</code> - </dd></dl>
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<pre>public&nbsp;boolean&nbsp;isSingleSelection()</pre>
<dl><dt><span class="strong">Returns:</span></dt><dd>the singleSelection</dd></dl>
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<pre>public&nbsp;void&nbsp;setSingleSelection(boolean&nbsp;singleSelection)</pre>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>singleSelection</code> - the singleSelection to set</dd></dl>
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<pre>public&nbsp;boolean&nbsp;isSelected(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</pre>
<div class="block">Returns true if the given cell is selected.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>cell</code> - </dd>
<dt><span class="strong">Returns:</span></dt><dd>Returns true if the given cell is selected.</dd></dl>
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<pre>public&nbsp;boolean&nbsp;isEmpty()</pre>
<div class="block">Returns true if no cells are selected.</div>
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<pre>public&nbsp;int&nbsp;size()</pre>
<div class="block">Returns the number of selected cells.</div>
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<h4>clear</h4>
<pre>public&nbsp;void&nbsp;clear()</pre>
<div class="block">Clears the selection.</div>
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<h4>getCell</h4>
<pre>public&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;getCell()</pre>
<div class="block">Returns the first selected cell.</div>
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<pre>public&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&nbsp;getCells()</pre>
<div class="block">Returns the selection cells.</div>
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<pre>public&nbsp;void&nbsp;setCell(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</pre>
<div class="block">Clears the selection and adds the given cell to the selection.</div>
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<pre>public&nbsp;void&nbsp;setCells(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&nbsp;cells)</pre>
<div class="block">Clears the selection and adds the given cells.</div>
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<a name="getFirstSelectableCell(java.lang.Object[])">
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<pre>protected&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;getFirstSelectableCell(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&nbsp;cells)</pre>
<div class="block">Returns the first selectable cell in the given array of cells.</div>
<dl><dt><span class="strong">Parameters:</span></dt><dd><code>cells</code> - Array of cells to return the first selectable cell for.</dd>
<dt><span class="strong">Returns:</span></dt><dd>Returns the first cell that may be selected.</dd></dl>
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<pre>public&nbsp;void&nbsp;addCell(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</pre>
<div class="block">Adds the given cell to the selection.</div>
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<pre>public&nbsp;void&nbsp;addCells(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&nbsp;cells)</pre>
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<pre>public&nbsp;void&nbsp;removeCell(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</pre>
<div class="block">Removes the given cell from the selection.</div>
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<pre>public&nbsp;void&nbsp;removeCells(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>[]&nbsp;cells)</pre>
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<pre>protected&nbsp;void&nbsp;changeSelection(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;added,
<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a>&lt;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&gt;&nbsp;removed)</pre>
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<pre>protected&nbsp;void&nbsp;cellAdded(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</pre>
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<pre>protected&nbsp;void&nbsp;cellRemoved(<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>&nbsp;cell)</pre>
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