Examples of javax.swing.plaf.TreeUI

javax.swing.plaf.TreeUI
Pluggable look and feel interface for JTree. @author Rob Davis @author Scott Violet


        defaults.put("Tree[Enabled].collapsedIconPainter", collapsedIconPainter);
        defaults.put("Tree[Enabled].expandedIconPainter", expandedIconPainter);
        defaults.put("Tree:TreeCell[Focused+Selected].backgroundPainter", new SelectionBackgroundPainter(renderer.getBackgroundSelectionColor()));


        TreeUI treeUI = getUI();
        if (treeUI instanceof MetalTreeUI) {
            BasicTreeUI basicUI = (BasicTreeUI) treeUI;
            int size = 7;
            BufferedImage expandedIcon = new BufferedImage(size, size, BufferedImage.TYPE_INT_ARGB);
            expandedIconPainter.paint(expandedIcon.createGraphics(), null, size, size);

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   */
  private class MyFocusListener extends FocusAdapter{
    private void focusChanges(){
      TreePath[] paths = getSelectionPaths();
      if(paths != null){
        TreeUI ui = getUI();
        for(int i = paths.length - 1; i >= 0; i--){
          Rectangle bounds = ui.getPathBounds(Tree.this, paths[i]);
          if(bounds != null){
            repaint(bounds);
          }
        }
      }

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