xmlsecurity/tools/uno/XMLTreeCellRanderer.java

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  27
  28 package com.sun.star.xml.security.uno;
  29
  30 import javax.swing.tree.DefaultTreeCellRenderer;
  31 import org.w3c.dom.Node;
  32 import javax.swing.ImageIcon;
  33 import java.awt.Component;
  34 import javax.swing.JTree;
  35
  36 /*
  37  * a TreeCellRender which can show a graph on the current
  38  * tree node.
  39  */
  40 class XMLTreeCellRanderer extends DefaultTreeCellRenderer
  41 {
  42     /*
  43      * the icon for the current Node
  44      */
  45     private ImageIcon m_currentIcon;
  46
  47     /*
  48      * the current Node
  49      */
  50     private Node m_currentNode;
  51
  52     XMLTreeCellRanderer(Node currentNode)
  53     {
  54         m_currentNode = currentNode;
  55         m_currentIcon = new ImageIcon("current.gif");
  56     }
  57
  58     public Component getTreeCellRendererComponent(
  59                     JTree tree,
  60                     Object value,
  61                     boolean sel,
  62                     boolean expanded,
  63                     boolean leaf,
  64                     int row,
  65                     boolean hasFocus)
  66     {
  67         super.getTreeCellRendererComponent(
  68                         tree, value, sel,
  69                         expanded, leaf, row,
  70                         hasFocus);
  71
  72         if (((AdapterNode)value).getNode() == m_currentNode)
  73         {
  74             setIcon(m_currentIcon);
  75             setToolTipText("This is the current element.");
  76         }
  77         else
  78         {
  79             setToolTipText(null); /* no tool tip */
  80         }
  81
  82         return this;
  83     }
  84 }
  85