javasourcelistmodel.java

java 调用windows的api

package org.jawin.browser.java;

import java.util.*;
import javax.swing.event.ListDataListener;
import javax.swing.*;
import javax.swing.event.ListDataEvent;
import java.io.IOException;

/**
 * <p>Title: Jawin Code Generation GUI</p>
 * <p>Description: GUI for exploring type libraries and generating Java code</p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: Open Source Incentive</p>
 * @author Josh Passenger
 * @version 1.0
 */

public class JavaSourceListModel implements ListModel
{
	private TreeMap treeMap = new TreeMap();
	private ArrayList data = new ArrayList();
	private Vector listeners = new Vector();

	public JavaSourceListModel()
	{
	}

	public int getSize()
	{
		return data.size();
	}

	public Object getElementAt(int index)
	{
		return data.get(index);
	}

	public void addListDataListener(ListDataListener l)
	{
		listeners.add(l);
	}

	public void removeListDataListener(ListDataListener l)
	{
		listeners.remove(l);
	}

	public void addJavaSource(JavaSourceFile newSource)
	{
		treeMap.put(newSource.getFileName(), newSource);
		sort();
	}

	public void clearAll()
	{
		data.clear();
		treeMap.clear();
		fireChangeEvent();
	}

	public void addJavaSources(ArrayList newSources)
	{
		for (int i = 0; i < newSources.size(); i++)
		{
			JavaSourceFile source = (JavaSourceFile) newSources.get(i);

			treeMap.put(source.getFileName(), source);
		}

		sort();
		fireChangeEvent();
	}

	public void fireChangeEvent()
	{
		ListDataEvent event = new ListDataEvent(this, ListDataEvent.CONTENTS_CHANGED, 0, getSize());

		for (int i = 0; i < listeners.size(); i++)
		{
			((ListDataListener) listeners.get(i)).contentsChanged(event);
		}
	}

	private void sort()
	{
		data.clear();
		Iterator i = treeMap.values().iterator();

		while (i.hasNext())
		{
			data.add((JavaSourceFile) i.next());
		}
	}

	public JavaSourceFile getJavaSourceAt(int index) throws IOException
	{
		return (JavaSourceFile) data.get(index);
	}

}