<html> <head> <title>Interface XTreeDataModel</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <link rel="stylesheet" type="text/css" href="../../../../../idl.css"> </head> <body> <div id="adc-idlref"> <a name="_top_"> </a><table class="navimain" border="0" cellpadding="3"> <tr> <td class="navimain"><a href="../../module-ix.html" class="navimain">Overview</a></td> <td class="navimain"><a href="module-ix.html" class="navimain">Module</a></td> <td class="navimain"><a href="XTreeDataModel-xref.html" class="navimain">Use</a></td> <td class="navimainnone">Devguide</td> <td class="navimain"><a href="../../../../../index-files/index-1.html" class="navimain">Index</a></td> </tr> </table> <table class="navisub" border="0" cellpadding="0"> <tr> <td class="navisub"><a href="#MethodsSummary" class="navisub">Methods' Summary</a></td> <td class="navisub">Attributes' Summary</td> <td class="navisub"><a href="#MethodsDetails" class="navisub">Methods' Details</a></td> <td class="navisub">Attributes' Details</td> </tr> </table> <hr> <table border="0" width="100%" cellpadding="5" cellspacing="3" class="title-table" style="margin-bottom:6pt;"> <tr> <td><p class="namechain"><a href="../../../../../module-ix.html" class="namechain">::</a> <a href="../../../../module-ix.html" class="namechain">com</a> :: <a href="../../../module-ix.html" class="namechain">sun</a> :: <a href="../../module-ix.html" class="namechain">star</a> :: <a href="../module-ix.html" class="namechain">awt</a> :: <a href="module-ix.html" class="namechain">tree</a> :: </p> </td> </tr> <tr> <td class="title"><table class="title-table" width="99%"> <tr> <td width="25%" class="title2">unpublished </td> <td width="50%" class="title">interface XTreeDataModel</td> <td width="*"/></tr> </table> </td> </tr> <tr> <td><dl> <dt><b>Base Interfaces</b></dt> <dd><pre style="font-family:monospace;"><strong>XTreeDataModel</strong> ┗ ::com::sun::star::<a href="../../lang/module-ix.html">lang</a>::<a href="../../lang/XComponent.html">XComponent</a> </pre></dd> <dd><a name/><table border="1" width="100%" cellpadding="5" cellspacing="0" class="crosstitle"> <tr> <td class="imsum_left">::com::sun::star::<a href="../../lang/module-ix.html">lang</a>::<a href="../../lang/XComponent.html">XComponent</a></td> <td class="imsum_right"><dl> <dt>(referenced interface's summary:)</dt> <dd>allows to exclicitly free resources and break cyclic references. </dd> </dl> </td> </tr> </table> </dd> </dl> </td> </tr> <tr> <td><dl> <dt><b>Usage Restrictions</b></dt> <dd><i>not published</i></dd> <dt><b>Description</b></dt> <dd>An instance of this interface is used by the <a href="TreeControl.html">TreeControl</a> to retrieve the hierarchical outline data that is displayed in the actual control. </dd> <dd><p>If you implement your own <a href="XTreeDataModel.html">XTreeDataModel</a> you need to notify registered <a href="XTreeDataModelListener.html">XTreeDataModelListener</a> if your model changes after the control is created. If this is not done correctly the <a href="TreeControl.html">TreeControl</a> will not update the data properly.</p> If you do not need your own model implementation, you can also use the <a href="MutableTreeDataModel.html">MutableTreeDataModel</a>. </dd> </dl> </td> </tr> </table> <hr> <a name="MethodsSummary"/><table border="1" width="100%" cellpadding="5" cellspacing="0" class="subtitle"> <tr> <td class="subtitle" colspan="2">Methods' Summary</td> </tr> <tr> <td class="imsum_left"><a href="#getRoot">getRoot</a></td> <td class="imsum_right">Returns the root of the tree. </td> </tr> <tr> <td class="imsum_left"><a href="#addTreeDataModelListener">addTreeDataModelListener</a></td> <td class="imsum_right">Adds a listener for the <a href="TreeDataModelEvent.html">TreeDataModelEvent</a> posted after the tree changes. </td> </tr> <tr> <td class="imsum_left"><a href="#removeTreeDataModelListener">removeTreeDataModelListener</a></td> <td class="imsum_right">Removes a listener previously added with <method>addTreeDataModelListener()</method>. </td> </tr> </table> <a name="MethodsDetails"/><table border="1" width="100%" cellpadding="5" cellspacing="0" class="subtitle"> <tr> <td class="subtitle">Methods' Details</td> </tr> <tr> <td class="imdetail"><a name="getRoot" class="membertitle">getRoot</a><table border="0" width="96%" cellpadding="5" cellspacing="0" class="table-in-method" bgcolor="#ffffff" align="center"> <tr> <td><table class="table-in-method" border="0"> <tr> <td valign="top" colspan="3"><a href="XTreeNode.html">XTreeNode</a></td> </tr> <tr> <td valign="top"><b>getRoot</b>();</td> </tr> </table> <hr> <dl> <dt><b>Description</b></dt> <dd>Returns the root of the tree. </dd> <dd><p>Returns null only if the tree has no nodes. </dd> <dt><b>Returns</b></dt> <dd>the root of the tree </dd> </dl> </td> </tr> </table> </td> </tr> <tr> <td class="imdetail"><a name="addTreeDataModelListener" class="membertitle">addTreeDataModelListener</a><table border="0" width="96%" cellpadding="5" cellspacing="0" class="table-in-method" bgcolor="#ffffff" align="center"> <tr> <td><table class="table-in-method" border="0"> <tr> <td valign="top" colspan="3">void</td> </tr> <tr> <td valign="top"><b>addTreeDataModelListener</b>(</td> <td valign="top">[in] <a href="XTreeDataModelListener.html">XTreeDataModelListener</a></td> <td valign="bottom"> Listener );</td> </tr> </table> <hr> <dl> <dt><b>Description</b></dt> <dd>Adds a listener for the <a href="TreeDataModelEvent.html">TreeDataModelEvent</a> posted after the tree changes. </dd> <dt><b>Parameter Listener</b></dt> <dd>the listener to add. </dd> </dl> </td> </tr> </table> </td> </tr> <tr> <td class="imdetail"><a name="removeTreeDataModelListener" class="membertitle">removeTreeDataModelListener</a><table border="0" width="96%" cellpadding="5" cellspacing="0" class="table-in-method" bgcolor="#ffffff" align="center"> <tr> <td><table class="table-in-method" border="0"> <tr> <td valign="top" colspan="3">void</td> </tr> <tr> <td valign="top"><b>removeTreeDataModelListener</b>(</td> <td valign="top">[in] <a href="XTreeDataModelListener.html">XTreeDataModelListener</a></td> <td valign="bottom"> Listener );</td> </tr> </table> <hr> <dl> <dt><b>Description</b></dt> <dd>Removes a listener previously added with <method>addTreeDataModelListener()</method>. </dd> <dt><b>Parameter Listener</b></dt> <dd>the listener to remove. </dd> </dl> </td> </tr> </table> </td> </tr> </table> <a href="#_top_">Top of Page</a><hr size="3"><p class="copyright" align="center">Copyright © 2000, 2012 LibreOffice contributors and/or their affiliates. 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