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GraphModel (JGraph v5.12.4.2 API Specification)
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<p><b>JGraph</b><br>v5.12.4.2</p></EM>
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org.jgraph.graph</FONT>
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Interface GraphModel</H2>
<DL>
<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../org/jgraph/graph/DefaultGraphModel.html" title="class in org.jgraph.graph">DefaultGraphModel</A></DD>
</DL>
<HR>
<DL>
<DT>public interface <B>GraphModel</B></DL>
<P>
The interface that defines a suitable data model for a JGraph.
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#acceptsSource(java.lang.Object, java.lang.Object)">acceptsSource</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> edge,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> port)</CODE>
<BR>
Returns <code>true</code> if <code>port</code> is a valid source for
<code>edge</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#acceptsTarget(java.lang.Object, java.lang.Object)">acceptsTarget</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> edge,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> port)</CODE>
<BR>
Returns <code>true</code> if <code>port</code> is a valid target for
<code>edge</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#addGraphModelListener(org.jgraph.event.GraphModelListener)">addGraphModelListener</A></B>(<A HREF="../../../org/jgraph/event/GraphModelListener.html" title="interface in org.jgraph.event">GraphModelListener</A> l)</CODE>
<BR>
Adds a listener for the GraphModelEvent posted after the model changes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#addUndoableEditListener(javax.swing.event.UndoableEditListener)">addUndoableEditListener</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/swing/event/UndoableEditListener.html" title="class or interface in javax.swing.event">UndoableEditListener</A> listener)</CODE>
<BR>
Adds an undo listener for notification of any changes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#beginUpdate()">beginUpdate</A></B>()</CODE>
<BR>
Indicates the start of one level of an executable change</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#cloneCells(java.lang.Object[])">cloneCells</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[] cells)</CODE>
<BR>
Returns a map of (cell, clone)-pairs for all <code>cells</code> and
their children.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#contains(java.lang.Object)">contains</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> node)</CODE>
<BR>
Returns <code>true</code> if <code>node</code> or one of its
ancestors is in the model.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#edges(java.lang.Object)">edges</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> port)</CODE>
<BR>
Returns an iterator of the edges connected to <code>port</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#edit(java.util.Map, org.jgraph.graph.ConnectionSet, org.jgraph.graph.ParentMap, javax.swing.undo.UndoableEdit[])">edit</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A> attributes,
<A HREF="../../../org/jgraph/graph/ConnectionSet.html" title="class in org.jgraph.graph">ConnectionSet</A> cs,
<A HREF="../../../org/jgraph/graph/ParentMap.html" title="class in org.jgraph.graph">ParentMap</A> pm,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/swing/undo/UndoableEdit.html" title="class or interface in javax.swing.undo">UndoableEdit</A>[] e)</CODE>
<BR>
Applies the <code>propertyMap</code> and the connection changes to the
model.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#endUpdate()">endUpdate</A></B>()</CODE>
<BR>
Indicates the end of the current level of an executable change</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#execute(org.jgraph.graph.ExecutableChange)">execute</A></B>(<A HREF="../../../org/jgraph/graph/ExecutableChange.html" title="class in org.jgraph.graph">ExecutableChange</A> change)</CODE>
<BR>
Executes the specified executable change on this graph model</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="../../../org/jgraph/graph/AttributeMap.html" title="class in org.jgraph.graph">AttributeMap</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#getAttributes(java.lang.Object)">getAttributes</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> node)</CODE>
<BR>
Returns a <code>AttributeMap</code> that represents the properties for
the specified cell.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#getChild(java.lang.Object, int)">getChild</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> parent,
int index)</CODE>
<BR>
Returns the child of <I>parent </I> at index <I>index </I> in the
parent's child array.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#getChildCount(java.lang.Object)">getChildCount</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> parent)</CODE>
<BR>
Returns the number of children of <I>parent </I>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#getIndexOfChild(java.lang.Object, java.lang.Object)">getIndexOfChild</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> parent,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> child)</CODE>
<BR>
Returns the index of child in parent.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#getIndexOfRoot(java.lang.Object)">getIndexOfRoot</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> root)</CODE>
<BR>
Returns the index of <code>root</code> in the model.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#getParent(java.lang.Object)">getParent</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> child)</CODE>
<BR>
Returns the parent of <I>child </I> in the model.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#getRootAt(int)">getRootAt</A></B>(int index)</CODE>
<BR>
Returns the root at index <I>index </I> in the model.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#getRootCount()">getRootCount</A></B>()</CODE>
<BR>
Returns the number of roots in the model.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#getSource(java.lang.Object)">getSource</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> edge)</CODE>
<BR>
Returns the source of <code>edge</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#getTarget(java.lang.Object)">getTarget</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> edge)</CODE>
<BR>
Returns the target of <code>edge</code>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#getValue(java.lang.Object)">getValue</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> node)</CODE>
<BR>
Returns the user object for the specified cell.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#insert(java.lang.Object[], java.util.Map, org.jgraph.graph.ConnectionSet, org.jgraph.graph.ParentMap, javax.swing.undo.UndoableEdit[])">insert</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[] roots,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A> attributes,
<A HREF="../../../org/jgraph/graph/ConnectionSet.html" title="class in org.jgraph.graph">ConnectionSet</A> cs,
<A HREF="../../../org/jgraph/graph/ParentMap.html" title="class in org.jgraph.graph">ParentMap</A> pm,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/swing/undo/UndoableEdit.html" title="class or interface in javax.swing.undo">UndoableEdit</A>[] e)</CODE>
<BR>
Inserts the <code>cells</code> and connections into the model, and
passes <code>attributes</code> to the views.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#isEdge(java.lang.Object)">isEdge</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> edge)</CODE>
<BR>
Returns <code>true</code> if <code>edge</code> is a valid edge.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#isLeaf(java.lang.Object)">isLeaf</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> node)</CODE>
<BR>
Returns whether the specified node is a leaf node.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#isPort(java.lang.Object)">isPort</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> port)</CODE>
<BR>
Returns <code>true</code> if <code>port</code> is a valid port,
possibly supporting edge connection.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#remove(java.lang.Object[])">remove</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[] roots)</CODE>
<BR>
Removes <code>cells</code> from the model.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#removeGraphModelListener(org.jgraph.event.GraphModelListener)">removeGraphModelListener</A></B>(<A HREF="../../../org/jgraph/event/GraphModelListener.html" title="interface in org.jgraph.event">GraphModelListener</A> l)</CODE>
<BR>
Removes a listener previously added with <B>addGraphModelListener() </B>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#removeUndoableEditListener(javax.swing.event.UndoableEditListener)">removeUndoableEditListener</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/swing/event/UndoableEditListener.html" title="class or interface in javax.swing.event">UndoableEditListener</A> listener)</CODE>
<BR>
Removes an undo listener.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#toBack(java.lang.Object[])">toBack</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[] cells)</CODE>
<BR>
Sends <code>cells</code> to back.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#toFront(java.lang.Object[])">toFront</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[] cells)</CODE>
<BR>
Brings <code>cells</code> to front.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/jgraph/graph/GraphModel.html#valueForCellChanged(java.lang.Object, java.lang.Object)">valueForCellChanged</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> cell,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> newValue)</CODE>
<BR>
Messaged when the value of the cell has changed, eg from within the edit
method.</TD>
</TR>
</TABLE>
<P>
<!-- ============ FIELD DETAIL =========== -->
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<!-- ============ METHOD DETAIL ========== -->
<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>
<A NAME="getRootCount()"><!-- --></A><H3>
getRootCount</H3>
<PRE>
public int <B>getRootCount</B>()</PRE>
<DL>
<DD>Returns the number of roots in the model. Returns 0 if the model is
empty.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the number of roots in the model</DL>
</DD>
</DL>
<HR>
<A NAME="getRootAt(int)"><!-- --></A><H3>
getRootAt</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getRootAt</B>(int index)</PRE>
<DL>
<DD>Returns the root at index <I>index </I> in the model. This should not
return null if <i>index </i> is a valid index for the model (that is
<i>index </i>>= 0 && <i>index </i>< getRootCount()).
<P>
<DD><DL>
<DT><B>Returns:</B><DD>the root of at index <I>index </I></DL>
</DD>
</DL>
<HR>
<A NAME="getIndexOfRoot(java.lang.Object)"><!-- --></A><H3>
getIndexOfRoot</H3>
<PRE>
public int <B>getIndexOfRoot</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> root)</PRE>
<DL>
<DD>Returns the index of <code>root</code> in the model. If root is
<code>null</code>, returns -1.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>root</CODE> - a root in the model, obtained from this data source
<DT><B>Returns:</B><DD>the index of the root in the model, or -1 if the parent is
<code>null</code></DL>
</DD>
</DL>
<HR>
<A NAME="contains(java.lang.Object)"><!-- --></A><H3>
contains</H3>
<PRE>
public boolean <B>contains</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> node)</PRE>
<DL>
<DD>Returns <code>true</code> if <code>node</code> or one of its
ancestors is in the model.
<P>
<DD><DL>
<DT><B>Returns:</B><DD><code>true</code> if <code>node</code> is in the model</DL>
</DD>
</DL>
<HR>
<A NAME="getAttributes(java.lang.Object)"><!-- --></A><H3>
getAttributes</H3>
<PRE>
public <A HREF="../../../org/jgraph/graph/AttributeMap.html" title="class in org.jgraph.graph">AttributeMap</A> <B>getAttributes</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> node)</PRE>
<DL>
<DD>Returns a <code>AttributeMap</code> that represents the properties for
the specified cell.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>properties of <code>node</code> as a <code>Map</code></DL>
</DD>
</DL>
<HR>
<A NAME="getValue(java.lang.Object)"><!-- --></A><H3>
getValue</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getValue</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> node)</PRE>
<DL>
<DD>Returns the user object for the specified cell.
<P>
<DD><DL>
<DT><B>Returns:</B><DD>userobject of <code>node</code></DL>
</DD>
</DL>
<HR>
<A NAME="getSource(java.lang.Object)"><!-- --></A><H3>
getSource</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getSource</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> edge)</PRE>
<DL>
<DD>Returns the source of <code>edge</code>. <I>edge </I> must be an
object previously obtained from this data source.
<P>
<DD><DL>
<DT><B>Returns:</B><DD><code>Object</code> that represents the source of <i>edge </i></DL>
</DD>
</DL>
<HR>
<A NAME="getTarget(java.lang.Object)"><!-- --></A><H3>
getTarget</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getTarget</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> edge)</PRE>
<DL>
<DD>Returns the target of <code>edge</code>. <I>edge </I> must be an
object previously obtained from this data source.
<P>
<DD><DL>
<DT><B>Returns:</B><DD><code>Object</code> that represents the target of <i>edge </i></DL>
</DD>
</DL>
<HR>
<A NAME="acceptsSource(java.lang.Object, java.lang.Object)"><!-- --></A><H3>
acceptsSource</H3>
<PRE>
public boolean <B>acceptsSource</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> edge,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> port)</PRE>
<DL>
<DD>Returns <code>true</code> if <code>port</code> is a valid source for
<code>edge</code>. <I>edge </I> and <I>port </I> must be objects
previously obtained from this data source.
<P>
<DD><DL>
<DT><B>Returns:</B><DD><code>true</code> if <code>port</code> is a valid source for
<code>edge</code>.</DL>
</DD>
</DL>
<HR>
<A NAME="acceptsTarget(java.lang.Object, java.lang.Object)"><!-- --></A><H3>
acceptsTarget</H3>
<PRE>
public boolean <B>acceptsTarget</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> edge,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> port)</PRE>
<DL>
<DD>Returns <code>true</code> if <code>port</code> is a valid target for
<code>edge</code>. <I>edge </I> and <I>port </I> must be objects
previously obtained from this data source.
<P>
<DD><DL>
<DT><B>Returns:</B><DD><code>true</code> if <code>port</code> is a valid target for
<code>edge</code>.</DL>
</DD>
</DL>
<HR>
<A NAME="edges(java.lang.Object)"><!-- --></A><H3>
edges</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Iterator.html" title="class or interface in java.util">Iterator</A> <B>edges</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> port)</PRE>
<DL>
<DD>Returns an iterator of the edges connected to <code>port</code>.
<I>port </I> must be a object previously obtained from this data source.
This method never returns null.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>port</CODE> - a port in the graph, obtained from this data source
<DT><B>Returns:</B><DD><code>Iterator</code> that represents the connected edges</DL>
</DD>
</DL>
<HR>
<A NAME="isEdge(java.lang.Object)"><!-- --></A><H3>
isEdge</H3>
<PRE>
public boolean <B>isEdge</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> edge)</PRE>
<DL>
<DD>Returns <code>true</code> if <code>edge</code> is a valid edge.
<P>
<DD><DL>
<DT><B>Returns:</B><DD><code>true</code> if <code>edge</code> is a valid edge.</DL>
</DD>
</DL>
<HR>
<A NAME="isPort(java.lang.Object)"><!-- --></A><H3>
isPort</H3>
<PRE>
public boolean <B>isPort</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> port)</PRE>
<DL>
<DD>Returns <code>true</code> if <code>port</code> is a valid port,
possibly supporting edge connection.
<P>
<DD><DL>
<DT><B>Returns:</B><DD><code>true</code> if <code>port</code> is a valid port.</DL>
</DD>
</DL>
<HR>
<A NAME="getParent(java.lang.Object)"><!-- --></A><H3>
getParent</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getParent</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> child)</PRE>
<DL>
<DD>Returns the parent of <I>child </I> in the model. <I>child </I> must be a
node previously obtained from this data source. This returns null if
<i>child </i> is a root in the model.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>child</CODE> - a node in the graph, obtained from this data source
<DT><B>Returns:</B><DD>the parent of <I>child </I></DL>
</DD>
</DL>
<HR>
<A NAME="getIndexOfChild(java.lang.Object, java.lang.Object)"><!-- --></A><H3>
getIndexOfChild</H3>
<PRE>
public int <B>getIndexOfChild</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> parent,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> child)</PRE>
<DL>
<DD>Returns the index of child in parent. If either the parent or child is
<code>null</code>, returns -1.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>parent</CODE> - a note in the tree, obtained from this data source<DD><CODE>child</CODE> - the node we are interested in
<DT><B>Returns:</B><DD>the index of the child in the parent, or -1 if either the parent
or the child is <code>null</code></DL>
</DD>
</DL>
<HR>
<A NAME="getChild(java.lang.Object, int)"><!-- --></A><H3>
getChild</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getChild</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> parent,
int index)</PRE>
<DL>
<DD>Returns the child of <I>parent </I> at index <I>index </I> in the
parent's child array. <I>parent </I> must be a node previously obtained
from this data source. This should not return null if <i>index </i> is a
valid index for <i>parent </i> (that is <i>index </i>>= 0 && <i>index
</i>< getChildCount( <i>parent </i>)).
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>parent</CODE> - a node in the tree, obtained from this data source
<DT><B>Returns:</B><DD>the child of <I>parent </I> at index <I>index </I></DL>
</DD>
</DL>
<HR>
<A NAME="getChildCount(java.lang.Object)"><!-- --></A><H3>
getChildCount</H3>
<PRE>
public int <B>getChildCount</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> parent)</PRE>
<DL>
<DD>Returns the number of children of <I>parent </I>. Returns 0 if the node
is a leaf or if it has no children. <I>parent </I> must be a node
previously obtained from this data source.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>parent</CODE> - a node in the tree, obtained from this data source
<DT><B>Returns:</B><DD>the number of children of the node <I>parent </I></DL>
</DD>
</DL>
<HR>
<A NAME="isLeaf(java.lang.Object)"><!-- --></A><H3>
isLeaf</H3>
<PRE>
public boolean <B>isLeaf</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> node)</PRE>
<DL>
<DD>Returns whether the specified node is a leaf node. The way the test is
performed depends on the <code>askAllowsChildren</code> setting.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>node</CODE> - the node to check
<DT><B>Returns:</B><DD>true if the node is a leaf node</DL>
</DD>
</DL>
<HR>
<A NAME="insert(java.lang.Object[], java.util.Map, org.jgraph.graph.ConnectionSet, org.jgraph.graph.ParentMap, javax.swing.undo.UndoableEdit[])"><!-- --></A><H3>
insert</H3>
<PRE>
public void <B>insert</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[] roots,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A> attributes,
<A HREF="../../../org/jgraph/graph/ConnectionSet.html" title="class in org.jgraph.graph">ConnectionSet</A> cs,
<A HREF="../../../org/jgraph/graph/ParentMap.html" title="class in org.jgraph.graph">ParentMap</A> pm,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/swing/undo/UndoableEdit.html" title="class or interface in javax.swing.undo">UndoableEdit</A>[] e)</PRE>
<DL>
<DD>Inserts the <code>cells</code> and connections into the model, and
passes <code>attributes</code> to the views. Notifies the model- and
undo listeners of the change.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="remove(java.lang.Object[])"><!-- --></A><H3>
remove</H3>
<PRE>
public void <B>remove</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[] roots)</PRE>
<DL>
<DD>Removes <code>cells</code> from the model. Notifies the model- and undo
listeners of the change.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="edit(java.util.Map, org.jgraph.graph.ConnectionSet, org.jgraph.graph.ParentMap, javax.swing.undo.UndoableEdit[])"><!-- --></A><H3>
edit</H3>
<PRE>
public void <B>edit</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A> attributes,
<A HREF="../../../org/jgraph/graph/ConnectionSet.html" title="class in org.jgraph.graph">ConnectionSet</A> cs,
<A HREF="../../../org/jgraph/graph/ParentMap.html" title="class in org.jgraph.graph">ParentMap</A> pm,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/swing/undo/UndoableEdit.html" title="class or interface in javax.swing.undo">UndoableEdit</A>[] e)</PRE>
<DL>
<DD>Applies the <code>propertyMap</code> and the connection changes to the
model. The initial <code>edits</code> that triggered the call are
considered to be part of this transaction. Notifies the model- and undo
listeners of the change. <strong>Note: </strong> If only
<code>edits</code> is non-null, the edits are directly passed to the
UndoableEditListeners.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="beginUpdate()"><!-- --></A><H3>
beginUpdate</H3>
<PRE>
public void <B>beginUpdate</B>()</PRE>
<DL>
<DD>Indicates the start of one level of an executable change
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="endUpdate()"><!-- --></A><H3>
endUpdate</H3>
<PRE>
public void <B>endUpdate</B>()</PRE>
<DL>
<DD>Indicates the end of the current level of an executable change
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="execute(org.jgraph.graph.ExecutableChange)"><!-- --></A><H3>
execute</H3>
<PRE>
public void <B>execute</B>(<A HREF="../../../org/jgraph/graph/ExecutableChange.html" title="class in org.jgraph.graph">ExecutableChange</A> change)</PRE>
<DL>
<DD>Executes the specified executable change on this graph model
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>change</CODE> - the change to be executed</DL>
</DD>
</DL>
<HR>
<A NAME="cloneCells(java.lang.Object[])"><!-- --></A><H3>
cloneCells</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Map.html" title="class or interface in java.util">Map</A> <B>cloneCells</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[] cells)</PRE>
<DL>
<DD>Returns a map of (cell, clone)-pairs for all <code>cells</code> and
their children. Special care should be taken to replace references
between cells.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="valueForCellChanged(java.lang.Object, java.lang.Object)"><!-- --></A><H3>
valueForCellChanged</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>valueForCellChanged</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> cell,
<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> newValue)</PRE>
<DL>
<DD>Messaged when the value of the cell has changed, eg from within the edit
method.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="toBack(java.lang.Object[])"><!-- --></A><H3>
toBack</H3>
<PRE>
public void <B>toBack</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[] cells)</PRE>
<DL>
<DD>Sends <code>cells</code> to back.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="toFront(java.lang.Object[])"><!-- --></A><H3>
toFront</H3>
<PRE>
public void <B>toFront</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>[] cells)</PRE>
<DL>
<DD>Brings <code>cells</code> to front.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="addGraphModelListener(org.jgraph.event.GraphModelListener)"><!-- --></A><H3>
addGraphModelListener</H3>
<PRE>
public void <B>addGraphModelListener</B>(<A HREF="../../../org/jgraph/event/GraphModelListener.html" title="interface in org.jgraph.event">GraphModelListener</A> l)</PRE>
<DL>
<DD>Adds a listener for the GraphModelEvent posted after the model changes.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="removeGraphModelListener(org.jgraph.event.GraphModelListener)"><!-- --></A><H3>
removeGraphModelListener</H3>
<PRE>
public void <B>removeGraphModelListener</B>(<A HREF="../../../org/jgraph/event/GraphModelListener.html" title="interface in org.jgraph.event">GraphModelListener</A> l)</PRE>
<DL>
<DD>Removes a listener previously added with <B>addGraphModelListener() </B>.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="addUndoableEditListener(javax.swing.event.UndoableEditListener)"><!-- --></A><H3>
addUndoableEditListener</H3>
<PRE>
public void <B>addUndoableEditListener</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/swing/event/UndoableEditListener.html" title="class or interface in javax.swing.event">UndoableEditListener</A> listener)</PRE>
<DL>
<DD>Adds an undo listener for notification of any changes. Undo/Redo
operations performed on the <code>UndoableEdit</code> will cause the
appropriate ModelEvent to be fired to keep the view(s) in sync with the
model.
<P>
<DD><DL>
</DL>
</DD>
</DL>
<HR>
<A NAME="removeUndoableEditListener(javax.swing.event.UndoableEditListener)"><!-- --></A><H3>
removeUndoableEditListener</H3>
<PRE>
public void <B>removeUndoableEditListener</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/swing/event/UndoableEditListener.html" title="class or interface in javax.swing.event">UndoableEditListener</A> listener)</PRE>
<DL>
<DD>Removes an undo listener.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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