filtereventqueue.java

来自「自行开发的高缓存table」· Java 代码 · 共 62 行

// Decompiled by DJ v2.9.9.60 Copyright 2000 Atanas Neshkov  Date: 2004-2-20 9:17:08
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// Decompiler options: packimports(3) 
// Source File Name:   FilterEventQueue.java

package utility.HWCacheTable;

import java.awt.*;
import java.awt.event.InputEvent;
import java.awt.event.MouseEvent;
import java.util.*;
import javax.swing.SwingUtilities;

public class FilterEventQueue extends EventQueue
{

    public FilterEventQueue()
    {
        _permitComponentList = new ArrayList();
        _enabled = false;
    }

    protected void dispatchEvent(AWTEvent awtevent)
    {
        if(!_enabled)
        {
            super.dispatchEvent(awtevent);
            return;
        }
        try
        {
            Component component = (Component)awtevent.getSource();
            MouseEvent mouseevent = (MouseEvent)awtevent;
            Component component1 = SwingUtilities.getDeepestComponentAt(component, mouseevent.getPoint().x, mouseevent.getPoint().y);
            if(!_permitComponentList.contains(component1))
            {
                mouseevent.consume();
                return;
            }
        }
        catch(Exception exception) { }
        super.dispatchEvent(awtevent);
    }

    public void addPermitComponent(Component component)
    {
        _permitComponentList.add(component);
    }

    public void removePermitComponent(Component component)
    {
        _permitComponentList.remove(component);
    }

    public void enable(boolean flag)
    {
        _enabled = flag;
    }

    private ArrayList _permitComponentList;
    private boolean _enabled;
}