maxGraph/java/docs/com/mxgraph/view/mxLayoutManager.html

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<div class="subTitle">com.mxgraph.view</div>
<h2 title="Class mxLayoutManager" class="title">Class mxLayoutManager</h2>
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<li><a href="../../../com/mxgraph/util/mxEventSource.html" title="class in com.mxgraph.util">com.mxgraph.util.mxEventSource</a></li>
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<li>com.mxgraph.view.mxLayoutManager</li>
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<pre>public class <span class="typeNameLabel">mxLayoutManager</span>
extends <a href="../../../com/mxgraph/util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></pre>
<div class="block">Implements a layout manager that updates the layout for a given transaction.
The following example installs an automatic tree layout in a graph:
<code>
new mxLayoutManager(graph) {
mxCompactTreeLayout layout = new mxCompactTreeLayout(graph);
public mxIGraphLayout getLayout(Object parent)
{
if (graph.getModel().getChildCount(parent) > 0) {
return layout;
}
return null;
}
};
</code>
This class fires the following event:
mxEvent.LAYOUT_CELLS fires between begin- and endUpdate after all cells have
been layouted in layoutCells. The <code>cells</code> property contains all
cells that have been passed to layoutCells.</div>
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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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<caption><span>Fields</span><span class="tabEnd">&nbsp;</span></caption>
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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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<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#bubbling">bubbling</a></span></code>
<div class="block">Optional string that specifies the attributename to be passed to
mxCell.is to check if the rule applies to a cell.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#enabled">enabled</a></span></code>
<div class="block">Optional string that specifies the value of the attribute to be passed
to mxCell.is to check if the rule applies to a cell.</div>
</td>
</tr>
<tr class="altColor">
<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><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#graph">graph</a></span></code>
<div class="block">Defines the type of the source or target terminal.</div>
</td>
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<tr class="rowColor">
<td class="colFirst"><code>protected <a href="../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#moveHandler">moveHandler</a></span></code>&nbsp;</td>
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<td class="colFirst"><code>protected <a href="../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#undoHandler">undoHandler</a></span></code>&nbsp;</td>
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<h3>Fields 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#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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<th class="colOne" scope="col">Constructor and Description</th>
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<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#mxLayoutManager-com.mxgraph.view.mxGraph-">mxLayoutManager</a></span>(<a href="../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;graph)</code>&nbsp;</td>
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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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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#beforeUndo-com.mxgraph.util.mxUndoableEdit-">beforeUndo</a></span>(<a href="../../../com/mxgraph/util/mxUndoableEdit.html" title="class in com.mxgraph.util">mxUndoableEdit</a>&nbsp;edit)</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#cellsMoved-java.lang.Object:A-java.awt.Point-">cellsMoved</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;cells,
<a href="http://download.oracle.com/javase/1.5.0/docs/api/java/awt/Point.html?is-external=true" title="class or interface in java.awt">Point</a>&nbsp;location)</code>&nbsp;</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/view/mxLayoutManager.html#destroy--">destroy</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#executeLayout-com.mxgraph.layout.mxIGraphLayout-java.lang.Object-">executeLayout</a></span>(<a href="../../../com/mxgraph/layout/mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a>&nbsp;layout,
<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;parent)</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected <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;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#getCellsForChange-com.mxgraph.util.mxUndoableEdit.mxUndoableChange-">getCellsForChange</a></span>(<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&nbsp;change)</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected <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;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#getCellsForChanges-java.util.List-">getCellsForChanges</a></span>(<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;changes)</code>&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#getGraph--">getGraph</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>protected <a href="../../../com/mxgraph/layout/mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#getLayout-java.lang.Object-">getLayout</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;parent)</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/view/mxLayoutManager.html#isBubbling--">isBubbling</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#isEnabled--">isEnabled</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#layoutCells-java.lang.Object:A-">layoutCells</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;cells)</code>&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#setBubbling-boolean-">setBubbling</a></span>(boolean&nbsp;value)</code>&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#setEnabled-boolean-">setEnabled</a></span>(boolean&nbsp;value)</code>&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../com/mxgraph/view/mxLayoutManager.html#setGraph-com.mxgraph.view.mxGraph-">setGraph</a></span>(<a href="../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;value)</code>&nbsp;</td>
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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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<h3>Field Detail</h3>
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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">Defines the type of the source or target terminal. The type is a string
passed to mxCell.is to check if the rule applies to a cell.</div>
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<a name="enabled">
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<h4>enabled</h4>
<pre>protected&nbsp;boolean enabled</pre>
<div class="block">Optional string that specifies the value of the attribute to be passed
to mxCell.is to check if the rule applies to a cell. Default is true.</div>
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<a name="bubbling">
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<h4>bubbling</h4>
<pre>protected&nbsp;boolean bubbling</pre>
<div class="block">Optional string that specifies the attributename to be passed to
mxCell.is to check if the rule applies to a cell. Default is true.</div>
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<h4>undoHandler</h4>
<pre>protected&nbsp;<a href="../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a> undoHandler</pre>
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<h4>moveHandler</h4>
<pre>protected&nbsp;<a href="../../../com/mxgraph/util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a> moveHandler</pre>
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<h4>mxLayoutManager</h4>
<pre>public&nbsp;mxLayoutManager(<a href="../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;graph)</pre>
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<h4>isEnabled</h4>
<pre>public&nbsp;boolean&nbsp;isEnabled()</pre>
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<pre>public&nbsp;void&nbsp;setEnabled(boolean&nbsp;value)</pre>
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<pre>public&nbsp;<a href="../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;getGraph()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
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<pre>public&nbsp;void&nbsp;setGraph(<a href="../../../com/mxgraph/view/mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;value)</pre>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<pre>protected&nbsp;<a href="../../../com/mxgraph/layout/mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a>&nbsp;getLayout(<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;parent)</pre>
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<pre>protected&nbsp;<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;getCellsForChanges(<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;changes)</pre>
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<pre>protected&nbsp;<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;getCellsForChange(<a href="../../../com/mxgraph/util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&nbsp;change)</pre>
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<pre>protected&nbsp;void&nbsp;layoutCells(<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;executeLayout(<a href="../../../com/mxgraph/layout/mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a>&nbsp;layout,
<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;parent)</pre>
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<pre>public&nbsp;void&nbsp;destroy()</pre>
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