📄 fixedheightlayoutcache.html
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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 23:42:51 PDT 2000 --><TITLE>Java 2 Platform SE v1.3: Class FixedHeightLayoutCache</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/FixedHeightLayoutCache.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/tree/DefaultTreeSelectionModel.html"><B>PREV CLASS</B></A> <A HREF="../../../javax/swing/tree/TreePath.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="FixedHeightLayoutCache.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: <A HREF="#inner_classes_inherited_from_class_javax.swing.tree.AbstractLayoutCache">INNER</A> | <A HREF="#fields_inherited_from_class_javax.swing.tree.AbstractLayoutCache">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: FIELD | <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.tree</FONT><BR>Class FixedHeightLayoutCache</H2><PRE><A HREF="../../../java/lang/Object.html">java.lang.Object</A> | +--<A HREF="../../../javax/swing/tree/AbstractLayoutCache.html">javax.swing.tree.AbstractLayoutCache</A> | +--<B>javax.swing.tree.FixedHeightLayoutCache</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../javax/swing/tree/RowMapper.html">RowMapper</A></DD></DL><HR><DL><DT>public class <B>FixedHeightLayoutCache</B><DT>extends <A HREF="../../../javax/swing/tree/AbstractLayoutCache.html">AbstractLayoutCache</A></DL><P>NOTE: This will become more open in a future release. <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><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><A NAME="inner_classes_inherited_from_class_javax.swing.tree.AbstractLayoutCache"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Inner classes inherited from class javax.swing.tree.<A HREF="../../../javax/swing/tree/AbstractLayoutCache.html">AbstractLayoutCache</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/swing/tree/AbstractLayoutCache.NodeDimensions.html">AbstractLayoutCache.NodeDimensions</A></CODE></TD></TR></TABLE> <!-- =========== FIELD SUMMARY =========== --><A NAME="fields_inherited_from_class_javax.swing.tree.AbstractLayoutCache"><!-- --></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/AbstractLayoutCache.html">AbstractLayoutCache</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../javax/swing/tree/AbstractLayoutCache.html#nodeDimensions">nodeDimensions</A>, <A HREF="../../../javax/swing/tree/AbstractLayoutCache.html#rootVisible">rootVisible</A>, <A HREF="../../../javax/swing/tree/AbstractLayoutCache.html#rowHeight">rowHeight</A>, <A HREF="../../../javax/swing/tree/AbstractLayoutCache.html#treeModel">treeModel</A>, <A HREF="../../../javax/swing/tree/AbstractLayoutCache.html#treeSelectionModel">treeSelectionModel</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/tree/FixedHeightLayoutCache.html#FixedHeightLayoutCache()">FixedHeightLayoutCache</A></B>()</CODE><BR> </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/awt/Rectangle.html">Rectangle</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/tree/FixedHeightLayoutCache.html#getBounds(javax.swing.tree.TreePath, java.awt.Rectangle)">getBounds</A></B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A> path, <A HREF="../../../java/awt/Rectangle.html">Rectangle</A> placeIn)</CODE><BR> Returns a rectangle giving the bounds needed to draw path.</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/tree/FixedHeightLayoutCache.html#getExpandedState(javax.swing.tree.TreePath)">getExpandedState</A></B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A> path)</CODE><BR> Returns true if the path is expanded, and visible.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/tree/FixedHeightLayoutCache.html#getPathClosestTo(int, int)">getPathClosestTo</A></B>(int x, int y)</CODE><BR> Returns the path to the node that is closest to x,y.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../javax/swing/tree/FixedHeightLayoutCache.html#getPathForRow(int)">getPathForRow</A></B>(int row)</CODE><BR> Returns the path for passed in row.</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/tree/FixedHeightLayoutCache.html#getRowCount()">getRowCount</A></B>()</CODE><BR> Returns the number of visible rows.</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/tree/FixedHeightLayoutCache.html#getRowForPath(javax.swing.tree.TreePath)">getRowForPath</A></B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A> path)</CODE><BR> Returns the row that the last item identified in path is visible at.</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/tree/FixedHeightLayoutCache.html#getVisibleChildCount(javax.swing.tree.TreePath)">getVisibleChildCount</A></B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A> path)</CODE><BR> Returns the number of visible children for row.</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/tree/FixedHeightLayoutCache.html#getVisiblePathsFrom(javax.swing.tree.TreePath)">getVisiblePathsFrom</A></B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A> path)</CODE><BR> Returns an Enumerator that increments over the visible paths starting at the passed in location.</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="../../../javax/swing/tree/FixedHeightLayoutCache.html#invalidatePathBounds(javax.swing.tree.TreePath)">invalidatePathBounds</A></B>(<A HREF="../../../javax/swing/tree/TreePath.html">TreePath</A> path)</CODE><BR> Does nothing, FixedHeightLayoutCache doesn't cache width, and that is all that could 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="../../../javax/swing/tree/FixedHeightLayoutCache.html#invalidateSizes()">invalidateSizes</A></B>()</CODE><BR> Informs the TreeState that it needs to recalculate all the sizes it is referencing.</TD></TR>⌨️ 快捷键说明
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