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

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<div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">com.mxgraph.view</a></div>
<h2 title="Class mxLayoutManager" class="title">Class mxLayoutManager</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
<li>
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<li><a href="../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="../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="../util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></h3>
<code><a href="../util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a></code></li>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Field</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#bubbling">bubbling</a></span></code></th>
<td class="colLast">
<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>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#enabled">enabled</a></span></code></th>
<td class="colLast">
<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="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#graph">graph</a></span></code></th>
<td class="colLast">
<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="../util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#moveHandler">moveHandler</a></span></code></th>
<td class="colLast">&nbsp;</td>
</tr>
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<td class="colFirst"><code>protected <a href="../util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#undoHandler">undoHandler</a></span></code></th>
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<h3>Fields inherited from class&nbsp;com.mxgraph.util.<a href="../util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></h3>
<code><a href="../util/mxEventSource.html#eventListeners">eventListeners</a>, <a href="../util/mxEventSource.html#eventsEnabled">eventsEnabled</a>, <a href="../util/mxEventSource.html#eventSource">eventSource</a></code></li>
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<th class="colFirst" scope="col">Constructor</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(com.mxgraph.view.mxGraph)">mxLayoutManager</a></span>&#8203;(<a href="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;graph)</code></th>
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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="colSecond" scope="col">Method</th>
<th class="colLast" scope="col">Description</th>
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<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#beforeUndo(com.mxgraph.util.mxUndoableEdit)">beforeUndo</a></span>&#8203;(<a href="../util/mxUndoableEdit.html" title="class in com.mxgraph.util">mxUndoableEdit</a>&nbsp;edit)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cellsMoved(java.lang.Object%5B%5D,java.awt.Point)">cellsMoved</a></span>&#8203;(java.lang.Object[]&nbsp;cells,
java.awt.Point&nbsp;location)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#destroy()">destroy</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#executeLayout(com.mxgraph.layout.mxIGraphLayout,java.lang.Object)">executeLayout</a></span>&#8203;(<a href="../layout/mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a>&nbsp;layout,
java.lang.Object&nbsp;parent)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>protected java.util.Collection&lt;java.lang.Object&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCellsForChange(com.mxgraph.util.mxUndoableEdit.mxUndoableChange)">getCellsForChange</a></span>&#8203;(<a href="../util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&nbsp;change)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected java.util.Collection&lt;java.lang.Object&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCellsForChanges(java.util.List)">getCellsForChanges</a></span>&#8203;(java.util.List&lt;<a href="../util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>&gt;&nbsp;changes)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getGraph()">getGraph</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>protected <a href="../layout/mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getLayout(java.lang.Object)">getLayout</a></span>&#8203;(java.lang.Object&nbsp;parent)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isBubbling()">isBubbling</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isEnabled()">isEnabled</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#layoutCells(java.lang.Object%5B%5D)">layoutCells</a></span>&#8203;(java.lang.Object[]&nbsp;cells)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setBubbling(boolean)">setBubbling</a></span>&#8203;(boolean&nbsp;value)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setEnabled(boolean)">setEnabled</a></span>&#8203;(boolean&nbsp;value)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setGraph(com.mxgraph.view.mxGraph)">setGraph</a></span>&#8203;(<a href="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;value)</code></th>
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<h3>Methods inherited from class&nbsp;com.mxgraph.util.<a href="../util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a></h3>
<code><a href="../util/mxEventSource.html#addListener(java.lang.String,com.mxgraph.util.mxEventSource.mxIEventListener)">addListener</a>, <a href="../util/mxEventSource.html#fireEvent(com.mxgraph.util.mxEventObject)">fireEvent</a>, <a href="../util/mxEventSource.html#fireEvent(com.mxgraph.util.mxEventObject,java.lang.Object)">fireEvent</a>, <a href="../util/mxEventSource.html#getEventSource()">getEventSource</a>, <a href="../util/mxEventSource.html#isEventsEnabled()">isEventsEnabled</a>, <a href="../util/mxEventSource.html#removeListener(com.mxgraph.util.mxEventSource.mxIEventListener)">removeListener</a>, <a href="../util/mxEventSource.html#removeListener(com.mxgraph.util.mxEventSource.mxIEventListener,java.lang.String)">removeListener</a>, <a href="../util/mxEventSource.html#setEventsEnabled(boolean)">setEventsEnabled</a>, <a href="../util/mxEventSource.html#setEventSource(java.lang.Object)">setEventSource</a></code></li>
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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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<h4>graph</h4>
<pre>protected&nbsp;<a href="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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<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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<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="../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="../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&#8203;(<a href="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;graph)</pre>
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<h4>isEnabled</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;isEnabled()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the enabled</dd>
</dl>
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<a id="setEnabled(boolean)">
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<h4>setEnabled</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setEnabled&#8203;(boolean&nbsp;value)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>value</code> - the enabled to set</dd>
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<h4>isBubbling</h4>
<pre class="methodSignature">public&nbsp;boolean&nbsp;isBubbling()</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
<dd>the bubbling</dd>
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<h4>setBubbling</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setBubbling&#8203;(boolean&nbsp;value)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>value</code> - the bubbling to set</dd>
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<a id="getGraph()">
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<h4>getGraph</h4>
<pre class="methodSignature">public&nbsp;<a href="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;getGraph()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the graph</dd>
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<a id="setGraph(com.mxgraph.view.mxGraph)">
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<h4>setGraph</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setGraph&#8203;(<a href="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a>&nbsp;value)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>value</code> - the graph to set</dd>
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<a id="getLayout(java.lang.Object)">
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<h4>getLayout</h4>
<pre class="methodSignature">protected&nbsp;<a href="../layout/mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a>&nbsp;getLayout&#8203;(java.lang.Object&nbsp;parent)</pre>
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