/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.airavata.xbaya.wf.gui;
import java.util.Collections;
import java.util.List;
import javax.swing.AbstractListModel;
import org.apache.airavata.xbaya.XBayaRuntimeException;
import org.apache.airavata.xbaya.graph.system.ParameterNode;
public class ParameterListModel extends AbstractListModel {
private List<? extends ParameterNode> parameterNodes;
/**
* Constructs a ParameterListModel.
*
* @param parameterNodes
* @param nodes
*/
public ParameterListModel(List<? extends ParameterNode> parameterNodes) {
this.parameterNodes = parameterNodes;
}
/**
* @see javax.swing.ListModel#getElementAt(int)
*/
public Object getElementAt(int index) {
return this.parameterNodes.get(index).getName();
}
/**
* @see javax.swing.ListModel#getSize()
*/
public int getSize() {
return this.parameterNodes.size();
}
/**
* Moves the node at the index up.
*
* @param index
*/
public void up(int index) {
if (index < 1 || index >= this.parameterNodes.size()) {
throw new XBayaRuntimeException("Illegal index: " + index);
}
swap(index - 1, index);
}
/**
* Moves the node at the index down.
*
* @param index
*/
public void down(int index) {
if (index < 0 || index >= this.parameterNodes.size() - 1) {
throw new XBayaRuntimeException("Illegal index: " + index);
}
swap(index, index + 1);
}
private void swap(int index0, int index1) {
Collections.swap(this.parameterNodes, index0, index1);
fireContentsChanged(this, index0, index1);
}
}