Getting Default TreeCellRenderer From JTree : JTree Editor Renderer « Swing « Java Tutorial

1. Java Tutorial
2. Swing
3. JTree Editor Renderer

import java.awt.BorderLayout;
import java.awt.Color;
import java.util.Vector;

import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;

class TreeNodeVector<E> extends Vector<E> {
  String name;

  TreeNodeVector(String name) {
    this.name = name;
  }

  TreeNodeVector(String name, E elements[]) {
    this.name = name;
    for (int i = 0, n = elements.length; i < n; i++) {
      add(elements[i]);
    }
  }

  public String toString() {
    return "[" + name + "]";
  }
}

public class ChangingTreeCellRendererBackgroundForegroundColor {
  public static void main(final String args[]) {
    JFrame frame = new JFrame("JTreeSample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    Vector<String> v1 = new TreeNodeVector<String>("Two", new String[] { "Mercury", "Venus",
        "Mars" });
    Vector<Object> v2 = new TreeNodeVector<Object>("Three");
    v2.add(System.getProperties());
    v2.add(v1);
    Object rootNodes[] = {v1, v2 };
    Vector<Object> rootVector = new TreeNodeVector<Object>("Root", rootNodes);
    JTree tree = new JTree(rootVector);

    DefaultTreeCellRenderer renderer = (DefaultTreeCellRenderer)tree.getCellRenderer();

    Color backgroundSelection = renderer.getBackgroundSelectionColor();
    renderer.setBackgroundSelectionColor(renderer.getBackgroundNonSelectionColor());
    renderer.setBackgroundNonSelectionColor(backgroundSelection);

    Color textSelection = renderer.getTextSelectionColor();
    renderer.setTextSelectionColor(renderer.getTextNonSelectionColor());
    renderer.setTextNonSelectionColor(textSelection);

    
    frame.add(new JScrollPane(tree), BorderLayout.CENTER);

    frame.setSize(300, 300);
    frame.setVisible(true);
    
  }
}

14.69.JTree Editor Renderer
	14.69.1.	Getting Default TreeCellRenderer From JTree
	14.69.2.	extends JLabel implements TreeCellRenderer
	14.69.3.	Creating a Custom Renderer
	14.69.4.	Working with Tree Tooltips: using a Tooltip Cell Renderer
	14.69.5.	Editing Tree Nodes with triple clicking
	14.69.6.	Creating a DefaultCellEditor: JTextField
	14.69.7.	Creating a DefaultCellEditor: JComboBox
	14.69.8.	Creating a DefaultCellEditor: JCheckBox
	14.69.9.	Creating a Proper ComboBox Editor for a Tree
	14.69.10.	Creating an Editor Just for Leaf Nodes
	14.69.11.	Rendering an image in a JTable column
	14.69.12.	Setting the Activation Click Count for a Table Cell Editor in a JTable Component
	14.69.13.	Using DefaultTreeCellRenderer
	14.69.14.	Changing and Removing the Default Icons in a JTree Component
	14.69.15.	Use UIManager to change the default icon for JTree
	14.69.16.	Flush the internal cache of Row height