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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Thu Apr 27 23:39:46 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Class JTree.DynamicUtilTreeNode</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/JTree.DynamicUtilTreeNode.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Std. Ed. v1.3</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/swing/JTree.AccessibleJTree.AccessibleJTreeNode.html"><B>PREV CLASS</B></A> <A HREF="../../javax/swing/JTree.EmptySelectionModel.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="JTree.DynamicUtilTreeNode.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.swing</FONT><BR>Class JTree.DynamicUtilTreeNode</H2><PRE><A HREF="../../java/lang/Object.html">java.lang.Object</A> | +--<A HREF="../../javax/swing/tree/DefaultMutableTreeNode.html">javax.swing.tree.DefaultMutableTreeNode</A> | +--<B>javax.swing.JTree.DynamicUtilTreeNode</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../java/lang/Cloneable.html">Cloneable</A>, <A HREF="../../javax/swing/tree/MutableTreeNode.html">MutableTreeNode</A>, <A HREF="../../java/io/Serializable.html">Serializable</A>, <A HREF="../../javax/swing/tree/TreeNode.html">TreeNode</A></DD></DL><DL><DT><B>Enclosing class: </B><DD><A HREF="../../javax/swing/JTree.html">JTree</A></DD></DL><HR><DL><DT>public static class <B>JTree.DynamicUtilTreeNode</B><DT>extends <A HREF="../../javax/swing/tree/DefaultMutableTreeNode.html">DefaultMutableTreeNode</A></DL><P><code>DynamicUtilTreeNode</code> can wrap vectors/hashtables/arrays/strings and create the appropriate children tree nodes as necessary. It is dynamic in that it will only create the children as necessary. <p> <strong>Warning:</strong> Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. A future release of Swing will provide support for long term persistence.<P><DL><DT><B>See Also: </B><DD><A HREF="../../serialized-form.html#javax.swing.JTree.DynamicUtilTreeNode">Serialized Form</A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../java/lang/Object.html">Object</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JTree.DynamicUtilTreeNode.html#childValue">childValue</A></B></CODE><BR> Value to create children with.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JTree.DynamicUtilTreeNode.html#hasChildren">hasChildren</A></B></CODE><BR> Does the this <code>JTree</code> have children? This property is currently not implemented.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JTree.DynamicUtilTreeNode.html#loadedChildren">loadedChildren</A></B></CODE><BR> Have the children been loaded yet?</TD></TR></TABLE> <A NAME="fields_inherited_from_class_javax.swing.tree.DefaultMutableTreeNode"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class javax.swing.tree.<A HREF="../../javax/swing/tree/DefaultMutableTreeNode.html">DefaultMutableTreeNode</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../javax/swing/tree/DefaultMutableTreeNode.html#allowsChildren">allowsChildren</A>, <A HREF="../../javax/swing/tree/DefaultMutableTreeNode.html#children">children</A>, <A HREF="../../javax/swing/tree/DefaultMutableTreeNode.html#EMPTY_ENUMERATION">EMPTY_ENUMERATION</A>, <A HREF="../../javax/swing/tree/DefaultMutableTreeNode.html#parent">parent</A>, <A HREF="../../javax/swing/tree/DefaultMutableTreeNode.html#userObject">userObject</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/swing/JTree.DynamicUtilTreeNode.html#JTree.DynamicUtilTreeNode(java.lang.Object, java.lang.Object)">JTree.DynamicUtilTreeNode</A></B>(<A HREF="../../java/lang/Object.html">Object</A> value, <A HREF="../../java/lang/Object.html">Object</A> children)</CODE><BR> Creates a node with the specified object as its value and with the specified children.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../java/util/Enumeration.html">Enumeration</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JTree.DynamicUtilTreeNode.html#children()">children</A></B>()</CODE><BR> Subclassed to load the children, if necessary.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JTree.DynamicUtilTreeNode.html#createChildren(javax.swing.tree.DefaultMutableTreeNode, java.lang.Object)">createChildren</A></B>(<A HREF="../../javax/swing/tree/DefaultMutableTreeNode.html">DefaultMutableTreeNode</A> parent, <A HREF="../../java/lang/Object.html">Object</A> children)</CODE><BR> Adds to parent all the children in <code>children</code>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/swing/tree/TreeNode.html">TreeNode</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JTree.DynamicUtilTreeNode.html#getChildAt(int)">getChildAt</A></B>(int index)</CODE><BR> Subclassed to load the children, if necessary.</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="../../javax/swing/JTree.DynamicUtilTreeNode.html#getChildCount()">getChildCount</A></B>()</CODE><BR> Returns the number of child nodes.</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="../../javax/swing/JTree.DynamicUtilTreeNode.html#isLeaf()">isLeaf</A></B>()</CODE><BR> Returns true if this node allows children.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/swing/JTree.DynamicUtilTreeNode.html#loadChildren()">loadChildren</A></B>()</CODE><BR> Loads the children based on <code>childValue</code>.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_javax.swing.tree.DefaultMutableTreeNode"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class javax.swing.tree.<A HREF="../../javax/swing/tree/DefaultMutableTreeNode.html">DefaultMutableTreeNode</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor">⌨️ 快捷键说明
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