/*
* [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;
}
public int getChildCount(Object parent) {
return adaptor.getChildCount(parent);
}
public int getIndexOfChild(Object parent, Object child){
if ( parent==null ) return -1;
return adaptor.getChildIndex(child);
}
public Object getChild(Object parent, int index){
return adaptor.getChild(parent, index);
}
public boolean isLeaf(Object node) {
return getChildCount(node)==0;
}
public Object getRoot() { return root; }
public void valueForPathChanged(TreePath treePath, Object o) {
}
public void addTreeModelListener(TreeModelListener treeModelListener) {
}
public void removeTreeModelListener(TreeModelListener treeModelListener) {
}
}