+++ /dev/null
-/* Checkbox.java -- An AWT checkbox widget
- Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-02111-1307 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.awt;
-
-import java.awt.peer.CheckboxPeer;
-import java.awt.peer.ComponentPeer;
-import java.awt.event.ItemEvent;
-import java.awt.event.ItemListener;
-import java.io.Serializable;
-
-/**
- * This class implements a component which has an on/off state. Two
- * or more Checkboxes can be grouped by a CheckboxGroup.
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- * @author Tom Tromey <tromey@redhat.com>
- */
-public class Checkbox extends Component implements ItemSelectable, Serializable
-{
-
-// FIXME: Need readObject/writeObject for this.
-
-/*
- * Static Variables
- */
-
-// Serialization Constant
-private static final long serialVersionUID = 7270714317450821763L;
-
-/*************************************************************************/
-
-/*
- * Instance Variables
- */
-
-/**
- * @serial The checkbox group for this checkbox.
- */
-private CheckboxGroup group;
-
-/**
- * @serial The label on this checkbox.
- */
-private String label;
-
-/**
- * @serial The state of this checkbox.
- */
-private boolean state;
-
-// The list of listeners for this object.
-private transient ItemListener item_listeners;
-
-/*************************************************************************/
-
-/*
- * Constructors
- */
-
-/**
- * Initializes a new instance of <code>Checkbox</code> with no label,
- * an initial state of off, and that is not part of any checkbox group.
- */
-public
-Checkbox()
-{
- this("", false, null);
-}
-
-/*************************************************************************/
-
-/**
- * Initializes a new instance of <code>Checkbox</code> with the specified
- * label, an initial state of off, and that is not part of any checkbox
- * group.
- *
- * @param label The label for this checkbox.
- */
-public
-Checkbox(String label)
-{
- this(label, false, null);
-}
-
-/*************************************************************************/
-
-/**
- * Initializes a new instance of <code>Checkbox</code> with the specified
- * label and initial state, and that is not part of any checkbox
- * group.
- *
- * @param label The label for this checkbox.
- * @param state The initial state of the checkbox, <code>true</code> for
- * on, <code>false</code> for off.
- */
-public
-Checkbox(String label, boolean state)
-{
- this(label, state, null);
-}
-
-/*************************************************************************/
-
-/**
- * Initializes a new instance of <code>Checkbox</code> with the specified
- * label, initial state, and checkbox group.
- *
- * @param label The label for this checkbox.
- * @param group The checkbox group for this box, or <code>null</code>
- * if there is no checkbox group.
- * @param state The initial state of the checkbox, <code>true</code> for
- * on, <code>false</code> for off.
- */
-public
-Checkbox(String label, CheckboxGroup group, boolean state)
-{
- this(label, state, group);
-}
-
-/*************************************************************************/
-
-/**
- * Initializes a new instance of <code>Checkbox</code> with the specified
- * label, initial state, and checkbox group.
- *
- * @param label The label for this checkbox.
- * @param state The initial state of the checkbox, <code>true</code> for
- * on, <code>false</code> for off.
- * @param group The checkbox group for this box, or <code>null</code>
- * if there is no checkbox group.
- */
-public
-Checkbox(String label, boolean state, CheckboxGroup group)
-{
- this.label = label;
- this.state = state;
- this.group = group;
-}
-
-/*************************************************************************/
-
-/*
- * Instance Variables
- */
-
-/**
- * Returns the label for this checkbox.
- *
- * @return The label for this checkbox.
- */
-public String
-getLabel()
-{
- return(label);
-}
-
-/*************************************************************************/
-
-/**
- * Sets the label for this checkbox to the specified value.
- *
- * @param label The new checkbox label.
- */
-public synchronized void
-setLabel(String label)
-{
- this.label = label;
- if (peer != null)
- {
- CheckboxPeer cp = (CheckboxPeer) peer;
- cp.setLabel(label);
- }
-}
-
-/*************************************************************************/
-
-/**
- * Returns the state of this checkbox.
- *
- * @return The state of this checkbox, which will be <code>true</code> for
- * on and <code>false</code> for off.
- */
-public boolean
-getState()
-{
- return(state);
-}
-
-/*************************************************************************/
-
-/**
- * Sets the state of this checkbox to the specified value.
- *
- * @param state The new state of the checkbox, which will be <code>true</code>
- * for on or <code>false</code> for off.
- */
-public synchronized void
-setState(boolean state)
-{
- this.state = state;
- if (peer != null)
- {
- CheckboxPeer cp = (CheckboxPeer) peer;
- cp.setState (state);
- }
-}
-
-/*************************************************************************/
-
-/**
- * Returns an array of length one containing the checkbox label if this
- * checkbox is selected. Otherwise <code>null</code> is returned.
- *
- * @return The selection state of this checkbox.
- */
-public Object[]
-getSelectedObjects()
-{
- if (state == false)
- return(null);
-
- Object[] objs = new Object[1];
- objs[0] = label;
-
- return(objs);
-}
-
-/*************************************************************************/
-
-/**
- * Returns the checkbox group this object is a member of, if any.
- *
- * @return This object's checkbox group, of <code>null</code> if it is
- * not a member of any group.
- */
-public CheckboxGroup
-getCheckboxGroup()
-{
- return(group);
-}
-
-/*************************************************************************/
-
-/**
- * Sets this object's checkbox group to the specified group.
- *
- * @param group The new checkbox group, or <code>null</code> to make this
- * object part of no checkbox group.
- */
-public synchronized void
-setCheckboxGroup(CheckboxGroup group)
-{
- this.group = group;
- if (peer != null)
- {
- CheckboxPeer cp = (CheckboxPeer) peer;
- cp.setCheckboxGroup (group);
- }
-}
-
-/*************************************************************************/
-
-/**
- * Creates this object's native peer.
- */
-public void
-addNotify()
-{
- if (peer == null)
- peer = getToolkit ().createCheckbox (this);
- super.addNotify ();
-}
-
-/*************************************************************************/
-
-/**
- * Adds a new listeners to the list of registered listeners for this object.
- *
- * @param listener The new listener to add.
- */
-public synchronized void
-addItemListener(ItemListener listener)
-{
- item_listeners = AWTEventMulticaster.add(item_listeners, listener);
-}
-
-/*************************************************************************/
-
-/**
- * Removes a listener from the list of registered listeners for this object.
- *
- * @param listener The listener to remove.
- */
-public synchronized void
-removeItemListener(ItemListener listener)
-{
- item_listeners = AWTEventMulticaster.remove(item_listeners, listener);
-}
-
-/*************************************************************************/
-
-/**
- * Processes this event by calling <code>processItemEvent()</code> if it
- * is any instance of <code>ItemEvent</code>. Otherwise it is passed to
- * the superclass for processing.
- *
- * @param event The event to process.
- */
-protected void
-processEvent(AWTEvent event)
-{
- if (event instanceof ItemEvent)
- processItemEvent((ItemEvent)event);
- else
- super.processEvent(event);
-}
-
-/*************************************************************************/
-
-/**
- * Processes this event by dispatching it to any registered listeners.
- *
- * @param event The <code>ItemEvent</code> to process.
- */
-protected void
-processItemEvent(ItemEvent event)
-{
- if (item_listeners != null)
- item_listeners.itemStateChanged(event);
-}
-
-/*************************************************************************/
-
-/**
- * Returns a debugging string for this object.
- */
-protected String
-paramString()
-{
- return ("label=" + label + ",state=" + state + ",group=" + group
- + "," + super.paramString());
-}
-
-} // class Checkbox
projects / msp430-gcc.git / blobdiff