117 lines
2.4 KiB
Java
117 lines
2.4 KiB
Java
/* Copyright (C) 2000 Free Software Foundation
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This file is part of libjava.
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This software is copyrighted work licensed under the terms of the
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Libjava License. Please consult the file "LIBJAVA_LICENSE" for
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details. */
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package java.awt;
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import java.awt.peer.ButtonPeer;
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import java.awt.peer.ComponentPeer;
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import java.awt.event.ActionListener;
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import java.awt.event.ActionEvent;
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import java.util.EventListener;
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/**
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* @author Tom Tromey <tromey@cygnus.com>
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* @date July 30, 2000
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*/
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public class Button extends Component
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{
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public Button ()
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{
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this (null);
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}
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public Button (String label)
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{
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this.label = label;
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}
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public void addActionListener (ActionListener l)
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{
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actionListener = AWTEventMulticaster.add (actionListener, l);
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}
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public void addNotify ()
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{
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if (peer == null)
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peer = getToolkit ().createButton (this);
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super.addNotify();
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}
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public String getActionCommand ()
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{
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return actionCommand;
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}
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public String getLabel ()
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{
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return label;
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}
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protected String paramString ()
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{
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return "Button[" + label + "]";
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}
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void dispatchEventImpl(AWTEvent e)
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{
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super.dispatchEventImpl(e);
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if (e.id <= ActionEvent.ACTION_LAST
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&& e.id >= ActionEvent.ACTION_FIRST
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&& (actionListener != null
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|| (eventMask & AWTEvent.ACTION_EVENT_MASK) != 0))
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processEvent(e);
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}
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protected void processActionEvent (ActionEvent e)
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{
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if (actionListener != null)
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actionListener.actionPerformed (e);
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}
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protected void processEvent (AWTEvent e)
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{
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if (e instanceof ActionEvent)
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processActionEvent ((ActionEvent) e);
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else
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super.processEvent (e);
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}
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public void removeActionListener (ActionListener l)
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{
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actionListener = AWTEventMulticaster.remove (actionListener, l);
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}
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public EventListener[] getListeners(Class listenerType)
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{
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if (listenerType == ActionListener.class)
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return getListenersImpl(listenerType, actionListener);
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return super.getListeners(listenerType);
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}
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public void setActionCommand (String command)
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{
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this.actionCommand = (command == null) ? label : command;
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}
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public void setLabel (String label)
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{
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this.label = label;
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if (peer != null)
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{
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ButtonPeer bp = (ButtonPeer) peer;
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bp.setLabel (label);
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}
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}
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String label;
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String actionCommand;
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transient ActionListener actionListener;
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}
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