/*
 * View_tree.bsh -- View jEdit's component heirarchy.
 *
 * @author Delvin Johnson (delvinj@gmail.com)
 * @version 1.0 Sep 14, 2005
 */

import javax.swing.tree.*;
import java.lang.reflect.*;


void buildTree()
{
	DefaultMutableTreeNode root = new DefaultMutableTreeNode(
		jEdit.getActiveView());
	visit(root, jEdit.getActiveView());

	JTree tree = new JTree(root);
	JScrollPane sp = new JScrollPane(tree);
	sp.setPreferredSize(new Dimension(480, 420));

	JDialog dialog = new JDialog(jEdit.getActiveView(), "jEdit components", false);
	dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
	JPanel panel = new JPanel(new BorderLayout());
	panel.add(sp,BorderLayout.CENTER);
	dialog.setContentPane(panel);
	dialog.pack();
	dialog.setLocationRelativeTo(null);
	dialog.setVisible(true);
}


void visit(DefaultMutableTreeNode parent, Container comp)
{
	Component[] components = comp.getComponents();
	for(int j=0; j < components.length; j++)
	{
		DefaultMutableTreeNode child =
			new DefaultMutableTreeNode(getUserData(components[j]));
		parent.add(child);
		if(components[j] instanceof MenuElement)
			visitMenu(child, ((MenuElement)components[j]).getSubElements());
		else if(components[j] instanceof Container)
			visit(child, (Container)components[j]);
	}
}

void visitMenu(DefaultMutableTreeNode parent, MenuElement[] elements)
{
	for(int j=0; j < elements.length; j++)
	{
		DefaultMutableTreeNode child =
			new DefaultMutableTreeNode(getUserData(elements[j]));
		parent.add(child);
		if(elements[j].getSubElements().length != 0)
			visitMenu(child,elements[j].getSubElements());
	}
}

String getUserData(Object obj)
{
	StringBuffer sb = new StringBuffer(
		obj.getClass().getSimpleName());
	if(obj instanceof AbstractButton)
		sb.append(' ').append(((AbstractButton)obj).getText());
	return sb.toString();
}

buildTree();