TinyBannavi/src/tainavi/VWTreeCellRenderer.java

   1 package tainavi;\r
   2 \r
   3 import java.awt.Color;\r
   4 import java.awt.Component;\r
   5 \r
   6 import javax.swing.JTree;\r
   7 import javax.swing.tree.DefaultMutableTreeNode;\r
   8 import javax.swing.tree.DefaultTreeCellRenderer;\r
   9 \r
  10 public class VWTreeCellRenderer extends DefaultTreeCellRenderer {\r
  11 \r
  12         private static final long serialVersionUID = 1L;\r
  13 \r
  14         @Override\r
  15         public Component getTreeCellRendererComponent(JTree tree, Object value,\r
  16                         boolean selected, boolean expanded, boolean leaf, int row,\r
  17                         boolean hasFocus) {\r
  18                 \r
  19                 Component c = super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus);\r
  20                 // 'instanceof'は使っていいものやらわるいものやら\r
  21                 if ( value instanceof VWListedTreeNode ) {\r
  22                         if ( leaf && ((VWListedTreeNode)value).isUnUsed() ) {\r
  23                                 c.setForeground(Color.RED);\r
  24                         }\r
  25                 }\r
  26                 else {\r
  27                         //System.err.println("[error] VWListedTreeNode じゃないよ. "+((DefaultMutableTreeNode)value).toString());\r
  28                 }\r
  29                 return c;\r
  30         }\r
  31 \r
  32 }\r