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<!DOCTYPE HTML>

<head>

<title>mxLayoutManager (mxGraph 4.0.6 API Specification)</title>

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<div class="aboutLanguage"><p><b>mxGraph 4.0.6</b></p></div>

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<div>

<li>Summary: </li>

<li><a href="#nested.class.summary">Nested</a> | </li>

<li><a href="#field.summary">Field</a> | </li>

<li><a href="#constructor.summary">Constr</a> | </li>

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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.mxgraph.view</a></div>

<h2 title="Class mxLayoutManager" class="title">Class mxLayoutManager</h2>

</div>

<li>java.lang.Object</li>

<li>

<li><a href="../util/mxEventSource.html" title="class in com.mxgraph.util">com.mxgraph.util.mxEventSource</a></li>

<li>

<li>com.mxgraph.view.mxLayoutManager</li>

</ul>

</li>

</ul>

</li>

</ul>

<hr>

<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>

</li>

</ul>

</div>

</a>

<h3>Nested Class Summary</h3>

</a>

<h3>Nested classes/interfaces inherited from class 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>

</ul>

</li>

</ul>

</section>

</a>

<h3>Field Summary</h3>

<caption><span>Fields</span><span class="tabEnd"> </span></caption>

<tr>

<th class="colFirst" scope="col">Modifier and Type</th>

<th class="colSecond" scope="col">Field</th>

<th class="colLast" scope="col">Description</th>

</tr>

<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>

<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>

<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>

<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>

<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>

<div class="block">Defines the type of the source or target terminal.</div>

</td>

</tr>

<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>

</tr>

<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>

</tr>

</table>

</a>

<h3>Fields inherited from class 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>

</ul>

</li>

</ul>

</section>

</a>

<h3>Constructor Summary</h3>

<caption><span>Constructors</span><span class="tabEnd"> </span></caption>

<tr>

<th class="colFirst" scope="col">Constructor</th>

<th class="colLast" scope="col">Description</th>

</tr>

<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(com.mxgraph.view.mxGraph)">mxLayoutManager</a></span>(<a href="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a> graph)</code></th>

</tr>

</table>

</li>

</ul>

</section>

</a>

<h3>Method Summary</h3>

<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>

<tr>

<th class="colFirst" scope="col">Modifier and Type</th>

<th class="colSecond" scope="col">Method</th>

<th class="colLast" scope="col">Description</th>

</tr>

<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>(<a href="../util/mxUndoableEdit.html" title="class in com.mxgraph.util">mxUndoableEdit</a> edit)</code></th>

</tr>

<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>(java.lang.Object[] cells,

java.awt.Point location)</code></th>

</tr>

<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#destroy()">destroy</a></span>()</code></th>

</tr>

<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>(<a href="../layout/mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a> layout,

java.lang.Object parent)</code></th>

</tr>

<td class="colFirst"><code>protected java.util.Collection<java.lang.Object></code></td>

<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCellsForChange(com.mxgraph.util.mxUndoableEdit.mxUndoableChange)">getCellsForChange</a></span>(<a href="../util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a> change)</code></th>

</tr>

<td class="colFirst"><code>protected java.util.Collection<java.lang.Object></code></td>

<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCellsForChanges(java.util.List)">getCellsForChanges</a></span>(java.util.List<<a href="../util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>> changes)</code></th>

</tr>

<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>

</tr>

<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>(java.lang.Object parent)</code></th>

</tr>

<td class="colFirst"><code>boolean</code></td>

<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isBubbling()">isBubbling</a></span>()</code></th>

</tr>

<td class="colFirst"><code>boolean</code></td>

<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isEnabled()">isEnabled</a></span>()</code></th>

</tr>

<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>(java.lang.Object[] cells)</code></th>

</tr>

<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setBubbling(boolean)">setBubbling</a></span>(boolean value)</code></th>

</tr>

<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setEnabled(boolean)">setEnabled</a></span>(boolean value)</code></th>

</tr>

<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setGraph(com.mxgraph.view.mxGraph)">setGraph</a></span>(<a href="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a> value)</code></th>

</tr>

</table>

</a>

<h3>Methods inherited from class 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>

</ul>

</a>

<h3>Methods inherited from class java.lang.Object</h3>

<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>

</ul>

</li>

</ul>

</section>

</li>

</ul>

</div>

</a>

<h3>Field Detail</h3>

</a>

<h4>graph</h4>

<pre>protected <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>

</li>

</ul>

</a>

<h4>enabled</h4>

<pre>protected 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>

</li>

</ul>

</a>

<h4>bubbling</h4>

<pre>protected 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>

</li>

</ul>

</a>

<h4>undoHandler</h4>

<pre>protected <a href="../util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a> undoHandler</pre>

</li>

</ul>

</a>

<h4>moveHandler</h4>

<pre>protected <a href="../util/mxEventSource.mxIEventListener.html" title="interface in com.mxgraph.util">mxEventSource.mxIEventListener</a> moveHandler</pre>

</li>

</ul>

</li>

</ul>

</section>

</a>

<h3>Constructor Detail</h3>

<a id="<init>(com.mxgraph.view.mxGraph)">

</a>

<h4>mxLayoutManager</h4>

<pre>public mxLayoutManager(<a href="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a> graph)</pre>

</li>

</ul>

</li>

</ul>

</section>

</a>

<h3>Method Detail</h3>

</a>

<h4>isEnabled</h4>

<pre class="methodSignature">public boolean isEnabled()</pre>

<dl>

<dt><span class="returnLabel">Returns:</span></dt>

<dd>the enabled</dd>

</dl>

</li>

</ul>

</a>

<h4>setEnabled</h4>

<pre class="methodSignature">public void setEnabled(boolean value)</pre>

<dl>

<dt><span class="paramLabel">Parameters:</span></dt>

<dd><code>value</code> - the enabled to set</dd>

</dl>

</li>

</ul>

</a>

<h4>isBubbling</h4>

<pre class="methodSignature">public boolean isBubbling()</pre>

<dl>

<dt><span class="returnLabel">Returns:</span></dt>

<dd>the bubbling</dd>

</dl>

</li>

</ul>

</a>

<h4>setBubbling</h4>

<pre class="methodSignature">public void setBubbling(boolean value)</pre>

<dl>

<dt><span class="paramLabel">Parameters:</span></dt>

<dd><code>value</code> - the bubbling to set</dd>

</dl>

</li>

</ul>

</a>

<h4>getGraph</h4>

<pre class="methodSignature">public <a href="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a> getGraph()</pre>

<dl>

<dt><span class="returnLabel">Returns:</span></dt>

<dd>the graph</dd>

</dl>

</li>

</ul>

</a>

<h4>setGraph</h4>

<pre class="methodSignature">public void setGraph(<a href="mxGraph.html" title="class in com.mxgraph.view">mxGraph</a> value)</pre>

<dl>

<dt><span class="paramLabel">Parameters:</span></dt>

<dd><code>value</code> - the graph to set</dd>

</dl>

</li>

</ul>

</a>

<h4>getLayout</h4>

<pre class="methodSignature">protected <a href="../layout/mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a> getLayout(java.lang.Object parent)</pre>

</li>

</ul>

</a>

<h4>cellsMoved</h4>

<pre class="methodSignature">protected void cellsMoved(java.lang.Object[] cells,

java.awt.Point location)</pre>

</li>

</ul>

</a>

<h4>beforeUndo</h4>

<pre class="methodSignature">protected void beforeUndo(<a href="../util/mxUndoableEdit.html" title="class in com.mxgraph.util">mxUndoableEdit</a> edit)</pre>

</li>

</ul>

</a>

<h4>getCellsForChanges</h4>

<pre class="methodSignature">protected java.util.Collection<java.lang.Object> getCellsForChanges(java.util.List<<a href="../util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a>> changes)</pre>

</li>

</ul>

</a>

<h4>getCellsForChange</h4>

<pre class="methodSignature">protected java.util.Collection<java.lang.Object> getCellsForChange(<a href="../util/mxUndoableEdit.mxUndoableChange.html" title="interface in com.mxgraph.util">mxUndoableEdit.mxUndoableChange</a> change)</pre>

</li>

</ul>

</a>

<h4>layoutCells</h4>

<pre class="methodSignature">protected void layoutCells(java.lang.Object[] cells)</pre>

</li>

</ul>

</a>

<h4>executeLayout</h4>

<pre class="methodSignature">protected void executeLayout(<a href="../layout/mxIGraphLayout.html" title="interface in com.mxgraph.layout">mxIGraphLayout</a> layout,

java.lang.Object parent)</pre>

</li>

</ul>

</a>

<h4>destroy</h4>

<pre class="methodSignature">public void destroy()</pre>

</li>

</ul>

</li>

</ul>

</section>

</li>

</ul>

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