treeremovalpanel.java

生物物种进化历程的演示

/*
   Copyright (c) 2002 Compaq Computer Corporation
   
   SOFTWARE RELEASE
   
   Permission is hereby granted, free of charge, to any person obtaining
   a copy of this software and associated documentation files (the
   "Software"), to deal in the Software without restriction, including
   without limitation the rights to use, copy, modify, merge, publish,
   distribute, sublicense, and/or sell copies of the Software, and to
   permit persons to whom the Software is furnished to do so, subject to
   the following conditions:
   
   - Redistributions of source code must retain the above copyright
	 notice, this list of conditions and the following disclaimer.
   
   - 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.
   
   - Neither the names of Compaq Research, Compaq Computer Corporation
	 nor the names of its contributors may be used to endorse or promote
	 products derived from this Software without specific prior written
	 permission.
   
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
   IN NO EVENT SHALL COMPAQ COMPUTER CORPORATION BE LIABLE FOR ANY CLAIM,
   DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
   OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
   THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

package TreeJuxtaposer;
 
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

import AccordionTreeDrawer.*;


public class TreeRemovalPanel extends JDialog implements ActionListener {
	
	private JButton okButton, cancelButton;
	private JList treeList;
	private Object[] selectedValues = null;
	private TreeJuxtaposer tj; 
	private int[] indices = null;
    
	public TreeRemovalPanel(TreeJuxtaposer tj_) {
	
	tj = tj_;
	setTitle("Delete trees");
	Container contentPanel = getContentPane();
	JPanel controlPanel = new JPanel();
	controlPanel.setLayout(new BorderLayout());
	
	Object[] possibleValues = new Object[tj.trees.size()];
	for(int i=0; i<tj.trees.size(); i++) 
		possibleValues[i] = ((Tree)(tj.trees.get(i))).getName();
		
	treeList = new JList(possibleValues);
	treeList.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
	JScrollPane listScrollPane = new JScrollPane(treeList);
	contentPanel.add(listScrollPane, BorderLayout.NORTH);
	
	indices = new int[tj.trees.size()];
	for(int i=0; i<indices.length;i++)
		   indices[i] =i;
	treeList.setSelectedIndices(indices);
	selectedValues=treeList.getSelectedValues();
	
	okButton = new JButton("OK");
	okButton.addActionListener(this); 
	cancelButton = new JButton("Cancel");
	cancelButton.addActionListener(this);
	controlPanel.add(okButton, BorderLayout.WEST);
	controlPanel.add(cancelButton, BorderLayout.EAST);
	contentPanel.add(controlPanel, BorderLayout.SOUTH);
	}
    
	public void actionPerformed(ActionEvent e)
	{
		Object ea = e.getSource();
		if (ea == okButton)
		{
			tj.deleteTrees(treeList.getSelectedIndices());
			tj.postDeleteTrees();
		}
		dispose();
	}
}