xmlsecurity/tools/uno/XMLTreeCellRanderer.java

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  30
  31 package com.sun.star.xml.security.uno;
  32
  33 import javax.swing.tree.DefaultTreeCellRenderer;
  34 import org.w3c.dom.Node;
  35 import javax.swing.ImageIcon;
  36 import java.awt.Component;
  37 import javax.swing.JTree;
  38
  39 /*
  40  * a TreeCellRender which can show a graph on the current
  41  * tree node.
  42  */
  43 class XMLTreeCellRanderer extends DefaultTreeCellRenderer
  44 {
  45     /*
  46      * the icon for the current Node
  47      */
  48     private ImageIcon m_currentIcon;
  49
  50     /*
  51      * the current Node
  52      */
  53     private Node m_currentNode;
  54
  55     XMLTreeCellRanderer(Node currentNode)
  56     {
  57         m_currentNode = currentNode;
  58         m_currentIcon = new ImageIcon("current.gif");
  59     }
  60
  61     public Component getTreeCellRendererComponent(
  62                     JTree tree,
  63                     Object value,
  64                     boolean sel,
  65                     boolean expanded,
  66                     boolean leaf,
  67                     int row,
  68                     boolean hasFocus)
  69     {
  70         super.getTreeCellRendererComponent(
  71                         tree, value, sel,
  72                         expanded, leaf, row,
  73                         hasFocus);
  74
  75         if (((AdapterNode)value).getNode() == m_currentNode)
  76         {
  77             setIcon(m_currentIcon);
  78             setToolTipText("This is the current element.");
  79         }
  80         else
  81         {
  82             setToolTipText(null); /* no tool tip */
  83         }
  84
  85         return this;
  86     }
  87 }
  88