maxGraph/java/docs/com/mxgraph/util/mxUndoableEdit.html

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<div class="subTitle">com.mxgraph.util</div>
<h2 title="Class mxUndoableEdit" class="title">Class mxUndoableEdit</h2>
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<pre>public class <span class="typeNameLabel">mxUndoableEdit</span>
extends <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></pre>
<div class="block">Implements a 2-dimensional rectangle with double precision coordinates.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Class and Description</th>
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<td class="colFirst"><code>static interface&nbsp;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a></span></code>
<div class="block">Defines the requirements for an undoable change.</div>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Field and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>protected <a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#changes">changes</a></span></code>
<div class="block">Holds the list of changes that make up this undoable edit.</div>
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</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#redone">redone</a></span></code>
<div class="block">Specifies the state of the undoable edit.</div>
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<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#significant">significant</a></span></code>
<div class="block">Specifies this undoable edit is significant.</div>
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<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><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#source">source</a></span></code>
<div class="block">Holds the source of the undoable edit.</div>
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<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#undone">undone</a></span></code>
<div class="block">Specifies the state of the undoable edit.</div>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#mxUndoableEdit-java.lang.Object-">mxUndoableEdit</a></span>(<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;source)</code>
<div class="block">Constructs a new undoable edit for the given source.</div>
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<tr class="rowColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#mxUndoableEdit-java.lang.Object-boolean-">mxUndoableEdit</a></span>(<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;source,
boolean&nbsp;significant)</code>
<div class="block">Constructs a new undoable edit for the given source.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#add-com.mxgraph.util.mxUndoableEdit.mxUndoableChange-">add</a></span>(<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&nbsp;change)</code>
<div class="block">Adds the specified change to this edit.</div>
</td>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#die--">die</a></span>()</code>
<div class="block">Hook to free resources after the edit has been removed from the command
history.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#dispatch--">dispatch</a></span>()</code>
<div class="block">Hook to notify any listeners of the changes after an undo or redo
has been carried out.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code><a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#getChanges--">getChanges</a></span>()</code>&nbsp;</td>
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<tr id="i4" 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><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#getSource--">getSource</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#isEmpty--">isEmpty</a></span>()</code>
<div class="block">Returns true if the this edit contains no changes.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#isRedone--">isRedone</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#isSignificant--">isSignificant</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#isUndone--">isUndone</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#redo--">redo</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/util/mxUndoableEdit.html#undo--">undo</a></span>()</code>&nbsp;</td>
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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>
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<h4>source</h4>
<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> source</pre>
<div class="block">Holds the source of the undoable edit.</div>
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<h4>changes</h4>
<pre>protected&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&gt; changes</pre>
<div class="block">Holds the list of changes that make up this undoable edit.</div>
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<h4>significant</h4>
<pre>protected&nbsp;boolean significant</pre>
<div class="block">Specifies this undoable edit is significant. Default is true.</div>
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<h4>undone</h4>
<pre>protected&nbsp;boolean undone</pre>
<div class="block">Specifies the state of the undoable edit.</div>
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<h4>redone</h4>
<pre>protected&nbsp;boolean redone</pre>
<div class="block">Specifies the state of the undoable edit.</div>
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<h4>mxUndoableEdit</h4>
<pre>public&nbsp;mxUndoableEdit(<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;source)</pre>
<div class="block">Constructs a new undoable edit for the given source.</div>
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<pre>public&nbsp;mxUndoableEdit(<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;source,
boolean&nbsp;significant)</pre>
<div class="block">Constructs a new undoable edit for the given source.</div>
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<h4>dispatch</h4>
<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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<h4>die</h4>
<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;<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;getSource()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the source</dd>
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<pre>public&nbsp;<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a>&lt;<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&gt;&nbsp;getChanges()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the changes</dd>
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<pre>public&nbsp;boolean&nbsp;isSignificant()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the significant</dd>
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<pre>public&nbsp;boolean&nbsp;isUndone()</pre>
<dl>
<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>
<pre>public&nbsp;void&nbsp;add(<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&nbsp;change)</pre>
<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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<a name="undo--">
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