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<h2 title="Class mxUndoableEdit" class="title">Class mxUndoableEdit</h2>
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<li>java.lang.Object</li>
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<pre>public class <span class="typeNameLabel">mxUndoableEdit</span>
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extends java.lang.Object</pre>
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<div class="block">Implements a 2-dimensional rectangle with double precision coordinates.</div>
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<th class="colLast" scope="col">Description</th>
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</tr>
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<td class="colFirst"><code>static interface&nbsp;</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a></span></code></th>
<td class="colLast">
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<div class="block">Defines the requirements for an undoable change.</div>
</td>
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<h3>Field Summary</h3>
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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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</tr>
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<td class="colFirst"><code>protected java.util.List&lt;<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&gt;</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#changes">changes</a></span></code></th>
<td class="colLast">
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<div class="block">Holds the list of changes that make up this undoable edit.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#redone">redone</a></span></code></th>
<td class="colLast">
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<div class="block">Specifies the state of the undoable edit.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#significant">significant</a></span></code></th>
<td class="colLast">
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<div class="block">Specifies this undoable edit is significant.</div>
</td>
</tr>
<tr class="rowColor">
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<td class="colFirst"><code>protected java.lang.Object</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#source">source</a></span></code></th>
<td class="colLast">
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<div class="block">Holds the source of the undoable edit.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#undone">undone</a></span></code></th>
<td class="colLast">
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<div class="block">Specifies the state of the undoable edit.</div>
</td>
</tr>
</table>
</li>
</ul>
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<h3>Constructor Summary</h3>
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<caption><span>Constructors</span><span class="tabEnd">&nbsp;</span></caption>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#mxUndoableEdit-java.lang.Object-">mxUndoableEdit</a></span>&#8203;(java.lang.Object&nbsp;source)</code></th>
<td class="colLast">
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<div class="block">Constructs a new undoable edit for the given source.</div>
</td>
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<tr class="rowColor">
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#mxUndoableEdit-java.lang.Object-boolean-">mxUndoableEdit</a></span>&#8203;(java.lang.Object&nbsp;source,
boolean&nbsp;significant)</code></th>
<td class="colLast">
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<div class="block">Constructs a new undoable edit for the given source.</div>
</td>
</tr>
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</li>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<tr id="i0" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#add-com.mxgraph.util.mxUndoableEdit.mxUndoableChange-">add</a></span>&#8203;(<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&nbsp;change)</code></th>
<td class="colLast">
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<div class="block">Adds the specified change to this edit.</div>
</td>
</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#die--">die</a></span>()</code></th>
<td class="colLast">
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<div class="block">Hook to free resources after the edit has been removed from the command
history.</div>
</td>
</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#dispatch--">dispatch</a></span>()</code></th>
<td class="colLast">
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<div class="block">Hook to notify any listeners of the changes after an undo or redo
has been carried out.</div>
</td>
</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>java.util.List&lt;<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&gt;</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#getChanges--">getChanges</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code>java.lang.Object</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#getSource--">getSource</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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</tr>
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<tr id="i5" class="rowColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#isEmpty--">isEmpty</a></span>()</code></th>
<td class="colLast">
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<div class="block">Returns true if the this edit contains no changes.</div>
</td>
</tr>
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<tr id="i6" class="altColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#isRedone--">isRedone</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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</tr>
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<tr id="i7" class="rowColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#isSignificant--">isSignificant</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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</tr>
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<tr id="i8" class="altColor">
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<td class="colFirst"><code>boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#isUndone--">isUndone</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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</tr>
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<tr id="i9" class="rowColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#redo--">redo</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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</tr>
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<tr id="i10" class="altColor">
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<td class="colFirst"><code>void</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#undo--">undo</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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</ul>
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<h4>source</h4>
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<pre>protected&nbsp;java.lang.Object source</pre>
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<div class="block">Holds the source of the undoable edit.</div>
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<pre>protected&nbsp;java.util.List&lt;<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&gt; changes</pre>
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<div class="block">Holds the list of changes that make up this undoable edit.</div>
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<pre>protected&nbsp;boolean significant</pre>
<div class="block">Specifies this undoable edit is significant. Default is true.</div>
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<pre>protected&nbsp;boolean undone</pre>
<div class="block">Specifies the state of the undoable edit.</div>
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<pre>protected&nbsp;boolean redone</pre>
<div class="block">Specifies the state of the undoable edit.</div>
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<pre>public&nbsp;mxUndoableEdit&#8203;(java.lang.Object&nbsp;source)</pre>
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<div class="block">Constructs a new undoable edit for the given source.</div>
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<pre>public&nbsp;mxUndoableEdit&#8203;(java.lang.Object&nbsp;source,
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boolean&nbsp;significant)</pre>
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<div class="block">Constructs a new undoable edit for the given source.</div>
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<pre>public&nbsp;void&nbsp;dispatch()</pre>
<div class="block">Hook to notify any listeners of the changes after an undo or redo
has been carried out. This implementation is empty.</div>
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<pre>public&nbsp;void&nbsp;die()</pre>
<div class="block">Hook to free resources after the edit has been removed from the command
history. This implementation is empty.</div>
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<pre>public&nbsp;java.lang.Object&nbsp;getSource()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the source</dd>
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<pre>public&nbsp;java.util.List&lt;<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&gt;&nbsp;getChanges()</pre>
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<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the changes</dd>
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<pre>public&nbsp;boolean&nbsp;isSignificant()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the significant</dd>
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<pre>public&nbsp;boolean&nbsp;isUndone()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the undone</dd>
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<pre>public&nbsp;boolean&nbsp;isRedone()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the redone</dd>
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<pre>public&nbsp;boolean&nbsp;isEmpty()</pre>
<div class="block">Returns true if the this edit contains no changes.</div>
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<h4>add</h4>
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<pre>public&nbsp;void&nbsp;add&#8203;(<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&nbsp;change)</pre>
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<div class="block">Adds the specified change to this edit. The change is an object that is
expected to either have an undo and redo, or an execute function.</div>
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<pre>public&nbsp;void&nbsp;undo()</pre>
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<pre>public&nbsp;void&nbsp;redo()</pre>
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