package yourpackage;

import javax.swing.event.TreeModelListener;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreePath;

import org.antlr.runtime.tree.CommonTree;

/**
 * @author Jörg Werner
 * 
 */
public class ASTtoTreeModelAdapter implements TreeModel {

	CommonTree m_tree = null;

	public ASTtoTreeModelAdapter(CommonTree t) {
		m_tree = t;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.tree.TreeModel#addTreeModelListener(javax.swing.event.TreeModelListener)
	 */
	public void addTreeModelListener(TreeModelListener l) {
		// TODO Auto-generated method stub

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.tree.TreeModel#getChild(java.lang.Object, int)
	 */
	public Object getChild(Object parent, int index) {
		return ((CommonTree) parent).getChild(index);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.tree.TreeModel#getChildCount(java.lang.Object)
	 */
	public int getChildCount(Object parent) {
		return ((CommonTree) parent).getChildCount();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.tree.TreeModel#getIndexOfChild(java.lang.Object,
	 *      java.lang.Object)
	 */
	public int getIndexOfChild(Object parent, Object child) {
		if (parent == null || child == null)
			return -1;
		CommonTree cp = ((CommonTree) parent);
		CommonTree cc = ((CommonTree) child);
		for (int i = 0; i < cp.getChildCount(); i++) {
			if (cp.getChild(i).equals(cc))
				return i;
		}
		return -1;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.tree.TreeModel#getRoot()
	 */
	public Object getRoot() {
		return m_tree;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.tree.TreeModel#isLeaf(java.lang.Object)
	 */
	public boolean isLeaf(Object node) {
		CommonTree cn = ((CommonTree) node);
		boolean r = (cn.getChildCount() == 0) ? true : false;
		return r;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.tree.TreeModel#removeTreeModelListener(javax.swing.event.TreeModelListener)
	 */
	public void removeTreeModelListener(TreeModelListener l) {
		// TODO Auto-generated method stub

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see javax.swing.tree.TreeModel#valueForPathChanged(javax.swing.tree.TreePath,
	 *      java.lang.Object)
	 */
	public void valueForPathChanged(TreePath path, Object newValue) {
		// TODO Auto-generated method stub

	}

}