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<!DOCTYPE HTML>
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<title>mxGraphModel (mxGraph 4.0.2 API Specification)</title>
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<div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">com.mxgraph.model</a></div>
<h2 title="Class mxGraphModel" class="title">Class mxGraphModel</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li><a href="../util/mxEventSource.html" title="class in com.mxgraph.util">com.mxgraph.util.mxEventSource</a></li>
<li>
<ul class="inheritance">
<li>com.mxgraph.model.mxGraphModel</li>
</ul>
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<dl>
<dt>All Implemented Interfaces:</dt>
<dd><code><a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a></code>, <code>java.io.Serializable</code></dd>
</dl>
<hr>
<pre>public class <span class="typeNameLabel">mxGraphModel</span>
extends <a href="../util/mxEventSource.html" title="class in com.mxgraph.util">mxEventSource</a>
implements <a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a>, java.io.Serializable</pre>
<div class="block">Extends mxEventSource to implement a graph model. The graph model acts as
a wrapper around the cells which are in charge of storing the actual graph
datastructure. The model acts as a transactional wrapper with event
notification for all changes, whereas the cells contain the atomic
operations for updating the actual datastructure.
Layers:
The cell hierarchy in the model must have a top-level root cell which
contains the layers (typically one default layer), which in turn contain the
top-level cells of the layers. This means each cell is contained in a layer.
If no layers are required, then all new cells should be added to the default
layer.
Layers are useful for hiding and showing groups of cells, or for placing
groups of cells on top of other cells in the display. To identify a layer,
the <isLayer> function is used. It returns true if the parent of the given
cell is the root of the model.
This class fires the following events:
mxEvent.CHANGE fires when an undoable edit is dispatched. The <code>edit</code>
property contains the mxUndoableEdit. The <code>changes</code> property
contains the list of undoable changes inside the undoable edit. The changes
property is deprecated, please use edit.getChanges() instead.
mxEvent.EXECUTE fires between begin- and endUpdate and after an atomic
change was executed in the model. The <code>change</code> property contains
the atomic change that was executed.
mxEvent.BEGIN_UPDATE fires after the updateLevel was incremented in
beginUpdate. This event contains no properties.
mxEvent.END_UPDATE fires after the updateLevel was decreased in endUpdate
but before any notification or change dispatching. The <code>edit</code>
property contains the current mxUndoableEdit.
mxEvent.BEFORE_UNDO fires before the change is dispatched after the update
level has reached 0 in endUpdate. The <code>edit</code> property contains
the current mxUndoableEdit.
mxEvent.UNDO fires after the change was dispatched in endUpdate. The
<code>edit</code> property contains the current mxUndoableEdit.</div>
<dl>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../serialized-form.html#com.mxgraph.model.mxGraphModel">Serialized Form</a></dd>
</dl>
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<h3>Nested Class Summary</h3>
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<caption><span>Nested Classes</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colSecond" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static interface </code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="mxGraphModel.Filter.html" title="interface in com.mxgraph.model">mxGraphModel.Filter</a></span></code></th>
<td class="colLast"> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class </code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="mxGraphModel.mxChildChange.html" title="class in com.mxgraph.model">mxGraphModel.mxChildChange</a></span></code></th>
<td class="colLast"> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class </code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="mxGraphModel.mxCollapseChange.html" title="class in com.mxgraph.model">mxGraphModel.mxCollapseChange</a></span></code></th>
<td class="colLast"> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class </code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="mxGraphModel.mxGeometryChange.html" title="class in com.mxgraph.model">mxGraphModel.mxGeometryChange</a></span></code></th>
<td class="colLast"> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class </code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="mxGraphModel.mxRootChange.html" title="class in com.mxgraph.model">mxGraphModel.mxRootChange</a></span></code></th>
<td class="colLast"> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class </code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="mxGraphModel.mxStyleChange.html" title="class in com.mxgraph.model">mxGraphModel.mxStyleChange</a></span></code></th>
<td class="colLast"> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class </code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="mxGraphModel.mxTerminalChange.html" title="class in com.mxgraph.model">mxGraphModel.mxTerminalChange</a></span></code></th>
<td class="colLast"> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>static class </code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="mxGraphModel.mxValueChange.html" title="class in com.mxgraph.model">mxGraphModel.mxValueChange</a></span></code></th>
<td class="colLast"> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>static class </code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="mxGraphModel.mxVisibleChange.html" title="class in com.mxgraph.model">mxGraphModel.mxVisibleChange</a></span></code></th>
<td class="colLast"> </td>
</tr>
</table>
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<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>
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</a>
<h3>Nested classes/interfaces inherited from interface com.mxgraph.model.<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a></h3>
<code><a href="mxIGraphModel.mxAtomicGraphModelChange.html" title="class in com.mxgraph.model">mxIGraphModel.mxAtomicGraphModelChange</a></code></li>
</ul>
</li>
</ul>
</section>
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<h3>Field Summary</h3>
<table class="memberSummary">
<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>
<tr class="altColor">
<td class="colFirst"><code>protected java.util.Map<java.lang.String,​java.lang.Object></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cells">cells</a></span></code></th>
<td class="colLast">
<div class="block">Maps from Ids to cells.</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="#createIds">createIds</a></span></code></th>
<td class="colLast">
<div class="block">Specifies if the model should automatically create Ids for new cells.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="../util/mxUndoableEdit.html" title="class in com.mxgraph.util">mxUndoableEdit</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#currentEdit">currentEdit</a></span></code></th>
<td class="colLast">
<div class="block">Holds the changes for the current transaction.</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="#endingUpdate">endingUpdate</a></span></code></th>
<td class="colLast"> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#maintainEdgeParent">maintainEdgeParent</a></span></code></th>
<td class="colLast">
<div class="block">Specifies if edges should automatically be moved into the nearest common
ancestor of their terminals.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nextId">nextId</a></span></code></th>
<td class="colLast">
<div class="block">Specifies the next Id to be created.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>protected <a href="mxICell.html" title="interface in com.mxgraph.model">mxICell</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#root">root</a></span></code></th>
<td class="colLast">
<div class="block">Holds the root cell, which in turn contains the cells that represent the
layers of the diagram as child cells.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>protected int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#updateLevel">updateLevel</a></span></code></th>
<td class="colLast">
<div class="block">Counter for the depth of nested transactions.</div>
</td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a id="fields.inherited.from.class.com.mxgraph.util.mxEventSource">
<!-- -->
</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>
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<section role="region">
<ul class="blockList">
<li class="blockList"><a id="constructor.summary">
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</a>
<h3>Constructor Summary</h3>
<table class="memberSummary">
<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>
<tr class="altColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">mxGraphModel</a></span>()</code></th>
<td class="colLast">
<div class="block">Constructs a new empty graph model.</div>
</td>
</tr>
<tr class="rowColor">
<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E(java.lang.Object)">mxGraphModel</a></span>​(java.lang.Object root)</code></th>
<td class="colLast">
<div class="block">Constructs a new graph model.</div>
</td>
</tr>
</table>
</li>
</ul>
</section>
<!-- ========== METHOD SUMMARY =========== -->
<section role="region">
<ul class="blockList">
<li class="blockList"><a id="method.summary">
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</a>
<h3>Method Summary</h3>
<table class="memberSummary">
<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></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>
<tr id="i0" class="altColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#add(java.lang.Object,java.lang.Object,int)">add</a></span>​(java.lang.Object parent,
java.lang.Object child,
int index)</code></th>
<td class="colLast">
<div class="block">Adds the specified child to the parent at the given index.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#beginUpdate()">beginUpdate</a></span>()</code></th>
<td class="colLast">
<div class="block">Increments the updateLevel by one.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cellAdded(java.lang.Object)">cellAdded</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Invoked after a cell has been added to a parent.</div>
</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="#cellRemoved(java.lang.Object)">cellRemoved</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Invoked after a cell has been removed from the model.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#clear()">clear</a></span>()</code></th>
<td class="colLast">
<div class="block">Sets a new root using createRoot.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cloneCell(java.lang.Object,java.util.Map,boolean)">cloneCell</a></span>​(java.lang.Object cell,
java.util.Map<java.lang.Object,​java.lang.Object> mapping,
boolean includeChildren)</code></th>
<td class="colLast">
<div class="block">Inner helper method for cloning cells recursively.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cloneCells(java.lang.Object%5B%5D,boolean)">cloneCells</a></span>​(java.lang.Object[] cells,
boolean includeChildren)</code></th>
<td class="colLast">
<div class="block">Returns an array of clones for the given array of cells.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#collapsedStateForCellChanged(java.lang.Object,boolean)">collapsedStateForCellChanged</a></span>​(java.lang.Object cell,
boolean collapsed)</code></th>
<td class="colLast">
<div class="block">Inner callback to update the collapsed state of the
given mxCell using mxCell.setCollapsed and return
the previous collapsed state.</div>
</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="#contains(java.lang.Object)">contains</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns true if the model contains the given cell.</div>
</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createId(java.lang.Object)">createId</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Creates a new Id for the given cell and increments the global counter
for creating new Ids.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createRoot()">createRoot</a></span>()</code></th>
<td class="colLast">
<div class="block">Creates a new root cell with a default layer (child 0).</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>protected <a href="../util/mxUndoableEdit.html" title="class in com.mxgraph.util">mxUndoableEdit</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#createUndoableEdit()">createUndoableEdit</a></span>()</code></th>
<td class="colLast">
<div class="block">Creates a new undoable edit.</div>
</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="#endUpdate()">endUpdate</a></span>()</code></th>
<td class="colLast">
<div class="block">Decrements the updateLevel by one and fires a notification event if the
updateLevel reaches 0.</div>
</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="#execute(com.mxgraph.model.mxIGraphModel.mxAtomicGraphModelChange)">execute</a></span>​(<a href="mxIGraphModel.mxAtomicGraphModelChange.html" title="class in com.mxgraph.model">mxIGraphModel.mxAtomicGraphModelChange</a> change)</code></th>
<td class="colLast">
<div class="block">Executes the given atomic change and adds it to the current edit.</div>
</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#filterCells(java.lang.Object%5B%5D,com.mxgraph.model.mxGraphModel.Filter)">filterCells</a></span>​(java.lang.Object[] cells,
<a href="mxGraphModel.Filter.html" title="interface in com.mxgraph.model">mxGraphModel.Filter</a> filter)</code></th>
<td class="colLast"> </td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>static java.util.Collection<java.lang.Object></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#filterDescendants(com.mxgraph.model.mxIGraphModel,com.mxgraph.model.mxGraphModel.Filter)">filterDescendants</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
<a href="mxGraphModel.Filter.html" title="interface in com.mxgraph.model">mxGraphModel.Filter</a> filter)</code></th>
<td class="colLast">
<div class="block">Creates a collection of cells using the visitor pattern.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>static java.util.Collection<java.lang.Object></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#filterDescendants(com.mxgraph.model.mxIGraphModel,com.mxgraph.model.mxGraphModel.Filter,java.lang.Object)">filterDescendants</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
<a href="mxGraphModel.Filter.html" title="interface in com.mxgraph.model">mxGraphModel.Filter</a> filter,
java.lang.Object parent)</code></th>
<td class="colLast">
<div class="block">Creates a collection of cells using the visitor pattern.</div>
</td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>protected <a href="mxGeometry.html" title="class in com.mxgraph.model">mxGeometry</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#geometryForCellChanged(java.lang.Object,com.mxgraph.model.mxGeometry)">geometryForCellChanged</a></span>​(java.lang.Object cell,
<a href="mxGeometry.html" title="class in com.mxgraph.model">mxGeometry</a> geometry)</code></th>
<td class="colLast">
<div class="block">Inner callback to update the mxGeometry of the given mxCell using
mxCell.setGeometry and return the previous mxGeometry.</div>
</td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCell(java.lang.String)">getCell</a></span>​(java.lang.String id)</code></th>
<td class="colLast">
<div class="block">Returns the cell for the specified Id or null if no cell can be
found for the given Id.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>java.util.Map<java.lang.String,​java.lang.Object></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getCells()">getCells</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the internal lookup table that is used to map from Ids to cells.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getChildAt(java.lang.Object,int)">getChildAt</a></span>​(java.lang.Object parent,
int index)</code></th>
<td class="colLast">
<div class="block">Returns the child of the given parent at the given index.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getChildCells(com.mxgraph.model.mxIGraphModel,java.lang.Object,boolean,boolean)">getChildCells</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object parent,
boolean vertices,
boolean edges)</code></th>
<td class="colLast">
<div class="block">Returns the children of the given cell that are vertices and/or edges
depending on the arguments.</div>
</td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getChildCount(java.lang.Object)">getChildCount</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns the number of children in the given cell.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getChildEdges(com.mxgraph.model.mxIGraphModel,java.lang.Object)">getChildEdges</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object parent)</code></th>
<td class="colLast">
<div class="block">Returns the child edges of the given parent.</div>
</td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getChildren(com.mxgraph.model.mxIGraphModel,java.lang.Object)">getChildren</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object parent)</code></th>
<td class="colLast">
<div class="block">Returns all children of the given cell regardless of their type.</div>
</td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getChildVertices(com.mxgraph.model.mxIGraphModel,java.lang.Object)">getChildVertices</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object parent)</code></th>
<td class="colLast">
<div class="block">Returns the child vertices of the given parent.</div>
</td>
</tr>
<tr id="i26" class="altColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getConnections(com.mxgraph.model.mxIGraphModel,java.lang.Object)">getConnections</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns all edges connected to this cell without loops.</div>
</td>
</tr>
<tr id="i27" class="rowColor">
<td class="colFirst"><code>static java.util.Collection<java.lang.Object></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDescendants(com.mxgraph.model.mxIGraphModel,java.lang.Object)">getDescendants</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object parent)</code></th>
<td class="colLast">
<div class="block">Returns a all descendants of the given cell and the cell itself
as a collection.</div>
</td>
</tr>
<tr id="i28" class="altColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDirectedEdgeCount(com.mxgraph.model.mxIGraphModel,java.lang.Object,boolean)">getDirectedEdgeCount</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object cell,
boolean outgoing)</code></th>
<td class="colLast">
<div class="block">Returns the number of incoming or outgoing edges.</div>
</td>
</tr>
<tr id="i29" class="rowColor">
<td class="colFirst"><code>static int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getDirectedEdgeCount(com.mxgraph.model.mxIGraphModel,java.lang.Object,boolean,java.lang.Object)">getDirectedEdgeCount</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object cell,
boolean outgoing,
java.lang.Object ignoredEdge)</code></th>
<td class="colLast">
<div class="block">Returns the number of incoming or outgoing edges, ignoring the given
edge.</div>
</td>
</tr>
<tr id="i30" class="altColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEdgeAt(java.lang.Object,int)">getEdgeAt</a></span>​(java.lang.Object parent,
int index)</code></th>
<td class="colLast">
<div class="block">Returns the edge of cell at the given index.</div>
</td>
</tr>
<tr id="i31" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEdgeCount(java.lang.Object)">getEdgeCount</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns the number of distinct edges connected to the given cell.</div>
</td>
</tr>
<tr id="i32" class="altColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEdges(com.mxgraph.model.mxIGraphModel,java.lang.Object)">getEdges</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns all edges connected to this cell including loops.</div>
</td>
</tr>
<tr id="i33" class="rowColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEdges(com.mxgraph.model.mxIGraphModel,java.lang.Object,boolean,boolean,boolean)">getEdges</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object cell,
boolean incoming,
boolean outgoing,
boolean includeLoops)</code></th>
<td class="colLast">
<div class="block">Returns all distinct edges connected to this cell.</div>
</td>
</tr>
<tr id="i34" class="altColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEdgesBetween(com.mxgraph.model.mxIGraphModel,java.lang.Object,java.lang.Object)">getEdgesBetween</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object source,
java.lang.Object target)</code></th>
<td class="colLast">
<div class="block">Returns all edges from the given source to the given target.</div>
</td>
</tr>
<tr id="i35" class="rowColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getEdgesBetween(com.mxgraph.model.mxIGraphModel,java.lang.Object,java.lang.Object,boolean)">getEdgesBetween</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object source,
java.lang.Object target,
boolean directed)</code></th>
<td class="colLast">
<div class="block">Returns all edges between the given source and target pair.</div>
</td>
</tr>
<tr id="i36" class="altColor">
<td class="colFirst"><code><a href="mxGeometry.html" title="class in com.mxgraph.model">mxGeometry</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getGeometry(java.lang.Object)">getGeometry</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns the geometry of the given cell.</div>
</td>
</tr>
<tr id="i37" class="rowColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getIncomingEdges(com.mxgraph.model.mxIGraphModel,java.lang.Object)">getIncomingEdges</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns the incoming edges of the given cell without loops.</div>
</td>
</tr>
<tr id="i38" class="altColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getNearestCommonAncestor(java.lang.Object,java.lang.Object)">getNearestCommonAncestor</a></span>​(java.lang.Object cell1,
java.lang.Object cell2)</code></th>
<td class="colLast">
<div class="block">Returns the nearest common ancestor for the specified cells.</div>
</td>
</tr>
<tr id="i39" class="rowColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOpposites(com.mxgraph.model.mxIGraphModel,java.lang.Object%5B%5D,java.lang.Object)">getOpposites</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object[] edges,
java.lang.Object terminal)</code></th>
<td class="colLast">
<div class="block">Returns all opposite cells of terminal for the given edges.</div>
</td>
</tr>
<tr id="i40" class="altColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOpposites(com.mxgraph.model.mxIGraphModel,java.lang.Object%5B%5D,java.lang.Object,boolean,boolean)">getOpposites</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object[] edges,
java.lang.Object terminal,
boolean sources,
boolean targets)</code></th>
<td class="colLast">
<div class="block">Returns all opposite vertices wrt terminal for the given edges, only
returning sources and/or targets as specified.</div>
</td>
</tr>
<tr id="i41" class="rowColor">
<td class="colFirst"><code><a href="../util/mxPoint.html" title="class in com.mxgraph.util">mxPoint</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOrigin(java.lang.Object)">getOrigin</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns the absolute, accumulated origin for the children inside the
given parent.</div>
</td>
</tr>
<tr id="i42" class="altColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getOutgoingEdges(com.mxgraph.model.mxIGraphModel,java.lang.Object)">getOutgoingEdges</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns the outgoing edges of the given cell without loops.</div>
</td>
</tr>
<tr id="i43" class="rowColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getParent(java.lang.Object)">getParent</a></span>​(java.lang.Object child)</code></th>
<td class="colLast">
<div class="block">Returns the parent of the given cell.</div>
</td>
</tr>
<tr id="i44" class="altColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getParents(com.mxgraph.model.mxIGraphModel,java.lang.Object%5B%5D)">getParents</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object[] cells)</code></th>
<td class="colLast"> </td>
</tr>
<tr id="i45" class="rowColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getRoot()">getRoot</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the root of the model or the topmost parent of the given cell.</div>
</td>
</tr>
<tr id="i46" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getStyle(java.lang.Object)">getStyle</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns the style of the given cell.</div>
</td>
</tr>
<tr id="i47" class="rowColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTerminal(java.lang.Object,boolean)">getTerminal</a></span>​(java.lang.Object edge,
boolean isSource)</code></th>
<td class="colLast">
<div class="block">Returns the source or target terminal of the given edge depending on the
value of the boolean parameter.</div>
</td>
</tr>
<tr id="i48" class="altColor">
<td class="colFirst"><code>static java.lang.Object[]</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTopmostCells(com.mxgraph.model.mxIGraphModel,java.lang.Object%5B%5D)">getTopmostCells</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object[] cells)</code></th>
<td class="colLast">
<div class="block">Function: getTopmostCells
Returns the topmost cells of the hierarchy in an array that contains no
desceandants for each <mxCell> that it contains.</div>
</td>
</tr>
<tr id="i49" class="rowColor">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getUpdateLevel()">getUpdateLevel</a></span>()</code></th>
<td class="colLast"> </td>
</tr>
<tr id="i50" class="altColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getValue(java.lang.Object)">getValue</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns the user object of the given cell.</div>
</td>
</tr>
<tr id="i51" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isAncestor(java.lang.Object,java.lang.Object)">isAncestor</a></span>​(java.lang.Object parent,
java.lang.Object child)</code></th>
<td class="colLast">
<div class="block">Returns true if the given parent is an ancestor of the given child.</div>
</td>
</tr>
<tr id="i52" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCollapsed(java.lang.Object)">isCollapsed</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns true if the given cell is collapsed.</div>
</td>
</tr>
<tr id="i53" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isConnectable(java.lang.Object)">isConnectable</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns true if the given cell is connectable.</div>
</td>
</tr>
<tr id="i54" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCreateIds()">isCreateIds</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns true if the model automatically creates Ids and resolves Id
collisions.</div>
</td>
</tr>
<tr id="i55" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isEdge(java.lang.Object)">isEdge</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns true if the given cell is an edge.</div>
</td>
</tr>
<tr id="i56" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isMaintainEdgeParent()">isMaintainEdgeParent</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns true if the model automatically update parents of edges so that
the edge is contained in the nearest-common-ancestor of its terminals.</div>
</td>
</tr>
<tr id="i57" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isVertex(java.lang.Object)">isVertex</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns true if the given cell is a vertex.</div>
</td>
</tr>
<tr id="i58" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isVisible(java.lang.Object)">isVisible</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Returns true if the given cell is visible.</div>
</td>
</tr>
<tr id="i59" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#mergeChildren(com.mxgraph.model.mxICell,com.mxgraph.model.mxICell,boolean)">mergeChildren</a></span>​(<a href="mxICell.html" title="interface in com.mxgraph.model">mxICell</a> from,
<a href="mxICell.html" title="interface in com.mxgraph.model">mxICell</a> to,
boolean cloneAllEdges)</code></th>
<td class="colLast">
<div class="block">Merges the children of the given cell into the given target cell inside
this model.</div>
</td>
</tr>
<tr id="i60" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#mergeChildrenImpl(com.mxgraph.model.mxICell,com.mxgraph.model.mxICell,boolean,java.util.Hashtable)">mergeChildrenImpl</a></span>​(<a href="mxICell.html" title="interface in com.mxgraph.model">mxICell</a> from,
<a href="mxICell.html" title="interface in com.mxgraph.model">mxICell</a> to,
boolean cloneAllEdges,
java.util.Hashtable<java.lang.Object,​java.lang.Object> mapping)</code></th>
<td class="colLast">
<div class="block">Clones the children of the source cell into the given target cell in
this model and adds an entry to the mapping that maps from the source
cell to the target cell with the same id or the clone of the source cell
that was inserted into this model.</div>
</td>
</tr>
<tr id="i61" class="rowColor">
<td class="colFirst"><code>protected java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#parentForCellChanged(java.lang.Object,java.lang.Object,int)">parentForCellChanged</a></span>​(java.lang.Object cell,
java.lang.Object parent,
int index)</code></th>
<td class="colLast">
<div class="block">Inner callback to update the parent of a cell using mxCell.insert
on the parent and return the previous parent.</div>
</td>
</tr>
<tr id="i62" class="altColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#remove(java.lang.Object)">remove</a></span>​(java.lang.Object cell)</code></th>
<td class="colLast">
<div class="block">Removes the specified cell from the model.</div>
</td>
</tr>
<tr id="i63" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#restoreClone(java.lang.Object,java.lang.Object,java.util.Map)">restoreClone</a></span>​(java.lang.Object clone,
java.lang.Object cell,
java.util.Map<java.lang.Object,​java.lang.Object> mapping)</code></th>
<td class="colLast">
<div class="block">Inner helper method for restoring the connections in
a network of cloned cells.</div>
</td>
</tr>
<tr id="i64" class="altColor">
<td class="colFirst"><code>protected java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#rootChanged(java.lang.Object)">rootChanged</a></span>​(java.lang.Object root)</code></th>
<td class="colLast">
<div class="block">Inner callback to change the root of the model and update the internal
datastructures, such as cells and nextId.</div>
</td>
</tr>
<tr id="i65" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setCollapsed(java.lang.Object,boolean)">setCollapsed</a></span>​(java.lang.Object cell,
boolean collapsed)</code></th>
<td class="colLast">
<div class="block">Sets the collapsed state of the given cell.</div>
</td>
</tr>
<tr id="i66" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setCreateIds(boolean)">setCreateIds</a></span>​(boolean value)</code></th>
<td class="colLast">
<div class="block">Specifies if the model automatically creates Ids for new cells and
resolves Id collisions.</div>
</td>
</tr>
<tr id="i67" class="rowColor">
<td class="colFirst"><code><a href="mxGeometry.html" title="class in com.mxgraph.model">mxGeometry</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setGeometry(java.lang.Object,com.mxgraph.model.mxGeometry)">setGeometry</a></span>​(java.lang.Object cell,
<a href="mxGeometry.html" title="class in com.mxgraph.model">mxGeometry</a> geometry)</code></th>
<td class="colLast">
<div class="block">Sets the geometry of the given cell.</div>
</td>
</tr>
<tr id="i68" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setMaintainEdgeParent(boolean)">setMaintainEdgeParent</a></span>​(boolean maintainEdgeParent)</code></th>
<td class="colLast">
<div class="block">Specifies if the model automatically updates parents of edges so that
the edge is contained in the nearest-common-ancestor of its terminals.</div>
</td>
</tr>
<tr id="i69" class="rowColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setRoot(java.lang.Object)">setRoot</a></span>​(java.lang.Object root)</code></th>
<td class="colLast">
<div class="block">Sets the root of the model and resets all structures.</div>
</td>
</tr>
<tr id="i70" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setStyle(java.lang.Object,java.lang.String)">setStyle</a></span>​(java.lang.Object cell,
java.lang.String style)</code></th>
<td class="colLast">
<div class="block">Sets the style of the given cell.</div>
</td>
</tr>
<tr id="i71" class="rowColor">
<td class="colFirst"><code>java.lang.Object</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setTerminal(java.lang.Object,java.lang.Object,boolean)">setTerminal</a></span>​(java.lang.Object edge,
java.lang.Object terminal,
boolean isSource)</code></th>
<td class="colLast">
<div class="block">Sets the source or target terminal of the given edge using.</div>
</td>
</tr>
<tr id="i72" class="altColor">
<td class="colFirst"><code>static void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setTerminals(com.mxgraph.model.mxIGraphModel,java.lang.Object,java.lang.Object,java.lang.Object)">setTerminals</a></span>​(<a href="mxIGraphModel.html" title="interface in com.mxgraph.model">mxIGraphModel</a> model,
java.lang.Object edge,
java.lang.Object source,
java.lang.Object target)</code></th>
<td class="colLast">
<div class="block">Sets the source and target of the given edge in a single atomic change.</div>
</td>
</tr>
<tr id="i73" class="rowColor">