649 lines
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649 lines
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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.mxgraph.util</a></div>
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<h2 title="Class mxUndoableEdit" class="title">Class mxUndoableEdit</h2>
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<ul class="inheritance">
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<li>java.lang.Object</li>
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<li>com.mxgraph.util.mxUndoableEdit</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="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>static interface </code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a></span></code></th>
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<td class="colLast">
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<div class="block">Defines the requirements for an undoable change.</div>
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</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colSecond" scope="col">Field</th>
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<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>protected java.util.List<<a href="mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#changes">changes</a></span></code></th>
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<td class="colLast">
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<div class="block">Holds the list of changes that make up this undoable edit.</div>
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</td>
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<tr class="rowColor">
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<td class="colFirst"><code>protected boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#redone">redone</a></span></code></th>
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<td class="colLast">
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<div class="block">Specifies the state of the undoable edit.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>protected boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#significant">significant</a></span></code></th>
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<td class="colLast">
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<div class="block">Specifies this undoable edit is significant.</div>
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</td>
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<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="#source">source</a></span></code></th>
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<td class="colLast">
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<div class="block">Holds the source of the undoable edit.</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>protected boolean</code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#undone">undone</a></span></code></th>
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<td class="colLast">
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<div class="block">Specifies the state of the undoable edit.</div>
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</td>
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</tr>
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</li>
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<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colLast" scope="col">Description</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.Object)">mxUndoableEdit</a></span>​(java.lang.Object source)</code></th>
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<td class="colLast">
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<div class="block">Constructs a new undoable edit for the given source.</div>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.Object,boolean)">mxUndoableEdit</a></span>​(java.lang.Object source,
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boolean significant)</code></th>
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<td class="colLast">
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<div class="block">Constructs a new undoable edit for the given source.</div>
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</td>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Description</th>
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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="#add(com.mxgraph.util.mxUndoableEdit.mxUndoableChange)">add</a></span>​(<a href="mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a> change)</code></th>
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<td class="colLast">
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<div class="block">Adds the specified change to this edit.</div>
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</td>
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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="#die()">die</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Hook to free resources after the edit has been removed from the command
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history.</div>
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</td>
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</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="#dispatch()">dispatch</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Hook to notify any listeners of the changes after an undo or redo
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has been carried out.</div>
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</td>
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</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>java.util.List<<a href="mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>></code></td>
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<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getChanges()">getChanges</a></span>()</code></th>
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<td class="colLast"> </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="#getSource()">getSource</a></span>()</code></th>
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<td class="colLast"> </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="#isEmpty()">isEmpty</a></span>()</code></th>
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<td class="colLast">
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<div class="block">Returns true if the this edit contains no changes.</div>
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</td>
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</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="#isRedone()">isRedone</a></span>()</code></th>
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<td class="colLast"> </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="#isSignificant()">isSignificant</a></span>()</code></th>
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<td class="colLast"> </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="#isUndone()">isUndone</a></span>()</code></th>
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<td class="colLast"> </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="#redo()">redo</a></span>()</code></th>
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<td class="colLast"> </td>
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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="#undo()">undo</a></span>()</code></th>
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<td class="colLast"> </td>
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<h3>Methods inherited from class java.lang.Object</h3>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<pre>protected java.lang.Object source</pre>
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<div class="block">Holds the source of the undoable edit.</div>
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<h4>changes</h4>
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<pre>protected java.util.List<<a href="mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>> 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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<h4>significant</h4>
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<pre>protected boolean significant</pre>
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<div class="block">Specifies this undoable edit is significant. Default is true.</div>
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<h4>undone</h4>
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<pre>protected boolean undone</pre>
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<div class="block">Specifies the state of the undoable edit.</div>
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<a id="redone">
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<h4>redone</h4>
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<pre>protected boolean redone</pre>
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<div class="block">Specifies the state of the undoable edit.</div>
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<h4>mxUndoableEdit</h4>
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<pre>public mxUndoableEdit​(java.lang.Object source)</pre>
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<div class="block">Constructs a new undoable edit for the given source.</div>
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<h4>mxUndoableEdit</h4>
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<pre>public mxUndoableEdit​(java.lang.Object source,
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boolean significant)</pre>
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<div class="block">Constructs a new undoable edit for the given source.</div>
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<pre class="methodSignature">public void dispatch()</pre>
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<div class="block">Hook to notify any listeners of the changes after an undo or redo
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<pre class="methodSignature">public void die()</pre>
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<div class="block">Hook to free resources after the edit has been removed from the command
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history. This implementation is empty.</div>
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<pre class="methodSignature">public java.lang.Object getSource()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the source</dd>
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<pre class="methodSignature">public java.util.List<<a href="mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>> getChanges()</pre>
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<dl>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the changes</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the significant</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the undone</dd>
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<dd>the redone</dd>
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<pre class="methodSignature">public boolean isEmpty()</pre>
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<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 class="methodSignature">public void add​(<a href="mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a> change)</pre>
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<div class="block">Adds the specified change to this edit. The change is an object that is
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expected to either have an undo and redo, or an execute function.</div>
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<pre class="methodSignature">public void redo()</pre>
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