/* * [The "BSD license"] * Copyright (c) 2011 Terence Parr * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.stringtemplate.v4.gui; import org.antlr.runtime.tree.CommonTreeAdaptor; import org.antlr.runtime.tree.TreeAdaptor; import javax.swing.event.TreeModelListener; import javax.swing.tree.TreeModel; import javax.swing.tree.TreePath; // TODO: copied from ANTLR v4; rm when upgraded to v4 public class JTreeASTModel implements TreeModel { TreeAdaptor adaptor; Object root; public JTreeASTModel(TreeAdaptor adaptor, Object root) { this.adaptor = adaptor; this.root = root; } public JTreeASTModel(Object root) { this.adaptor = new CommonTreeAdaptor(); this.root = root; } @Override public int getChildCount(Object parent) { return adaptor.getChildCount(parent); } @Override public int getIndexOfChild(Object parent, Object child) { if ( parent==null ) return -1; return adaptor.getChildIndex(child); } @Override public Object getChild(Object parent, int index) { return adaptor.getChild(parent, index); } @Override public boolean isLeaf(Object node) { return getChildCount(node) ==0; } @Override public Object getRoot() { return root; } @Override public void valueForPathChanged(TreePath treePath, Object o) { } @Override public void addTreeModelListener(TreeModelListener treeModelListener) { } @Override public void removeTreeModelListener(TreeModelListener treeModelListener) { } }