CheckboxGroup.java: Merged with Classpath.
* java/awt/CheckboxGroup.java: Merged with Classpath. * java/awt/Checkbox.java: Merged with Classpath. From-SVN: r48933
This commit is contained in:
Tom Tromey
Tom Tromey
parent
a82484a674
commit
d8d27d73b0
@ -1,5 +1,8 @@
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2002-01-16 Tom Tromey <tromey@redhat.com>
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2002-01-16 Tom Tromey <tromey@redhat.com>
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* java/awt/CheckboxGroup.java: Merged with Classpath.
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* java/awt/Checkbox.java: Merged with Classpath.
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* java/awt/Dimension.java: Updated copyright. Added javadoc from
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* java/awt/Dimension.java: Updated copyright. Added javadoc from
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Classpath.
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Classpath.
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* java/awt/Point.java: Updated copyright.
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* java/awt/Point.java: Updated copyright.
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@ -1,186 +1,369 @@
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/* Copyright (C) 2000, 2001 Free Software Foundation
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/* Checkbox.java -- An AWT checkbox widget
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Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of libgcj.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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This software is copyrighted work licensed under the terms of the
|
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package java.awt;
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package java.awt;
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import java.awt.event.*;
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import java.awt.peer.CheckboxPeer;
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import java.awt.peer.CheckboxPeer;
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import java.awt.peer.ComponentPeer;
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import java.awt.event.ItemEvent;
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import java.awt.event.ItemListener;
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import java.io.Serializable;
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/** This class implements a component which has an on/off state. Two
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/**
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* This class implements a component which has an on/off state. Two
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* or more Checkboxes can be grouped by a CheckboxGroup.
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* or more Checkboxes can be grouped by a CheckboxGroup.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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* @author Tom Tromey <tromey@redhat.com>
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* @author Tom Tromey <tromey@redhat.com>
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* @date December 25, 2000
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*/
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*/
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public class Checkbox extends Component implements ItemSelectable
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public class Checkbox extends Component implements ItemSelectable, Serializable
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{
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{
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/** Create a new checkbox.
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* @param label The checkbox label. A null value is the same as "";
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* this is the default.
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* @param state The initial check state; defaults to false.
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* @param group The CheckboxGroup. Defaults to null.
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*/
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public Checkbox ()
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{
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this (null, null, false);
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}
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public Checkbox (String label)
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// FIXME: Need readObject/writeObject for this.
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{
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this (label, null, false);
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}
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public Checkbox (String label, boolean state)
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/*
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{
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* Static Variables
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this (label, null, state);
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*/
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}
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public Checkbox (String label, boolean state, CheckboxGroup group)
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// Serialization Constant
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{
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private static final long serialVersionUID = 7270714317450821763L;
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this (label, group, state);
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}
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public Checkbox (String label, CheckboxGroup group, boolean state)
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/*************************************************************************/
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{
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this.label = label;
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this.group = group;
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this.state = state;
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}
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/** Add a listener for item events.
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/*
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* @param listener The listener to add.
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* Instance Variables
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*/
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*/
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public synchronized void addItemListener (ItemListener listener)
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{
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listeners = AWTEventMulticaster.add (listeners, listener);
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}
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/** This creates the component's peer. */
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/**
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public void addNotify ()
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* @serial The checkbox group for this checkbox.
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{
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*/
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if (peer == null)
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private CheckboxGroup group;
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peer = getToolkit ().createCheckbox (this);
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super.addNotify ();
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}
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/** Returns the current CheckboxGroup associated with this
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/**
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* Checkbox. */
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* @serial The label on this checkbox.
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public CheckboxGroup getCheckboxGroup ()
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*/
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{
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private String label;
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return group;
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}
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/** Returns the current label; might be null. */
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/**
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public String getLabel ()
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* @serial The state of this checkbox.
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{
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*/
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return label;
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private boolean state;
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}
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/** Returns this checkbox's label if this checkbox is selected. */
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// The list of listeners for this object.
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public Object[] getSelectedObjects ()
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private transient ItemListener item_listeners;
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{
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Object[] r;
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if (state)
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{
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r = new Object[1];
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r[0] = label;
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}
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else
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r = new Object[0];
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return r;
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}
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/** Returns the current state of this checkbox. */
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/*************************************************************************/
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public boolean getState ()
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{
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return state;
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}
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/** Generates a String representation of this Checkbox's state. */
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/*
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protected String paramString ()
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* Constructors
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{
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*/
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return ("Checkbox["
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+ "state=" + state + ","
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+ "label=" + label + ","
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+ "group=" + group + "]");
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}
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/** Process an event for this Checkbox.
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/**
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* @param event The event the process.
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* Initializes a new instance of <code>Checkbox</code> with no label,
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*/
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* an initial state of off, and that is not part of any checkbox group.
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protected void processEvent (AWTEvent event)
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*/
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{
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public
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if (event instanceof ItemEvent)
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Checkbox()
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processItemEvent ((ItemEvent) event);
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{
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else
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this("", false, null);
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super.processEvent (event);
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}
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/** Process an item event for this Checkbox.
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* @param event The ItemEvent to process
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*/
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protected void processItemEvent (ItemEvent event)
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{
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if (listeners != null)
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listeners.itemStateChanged (event);
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}
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/** Remove an item listener.
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* @param listener Item listener to remove.
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*/
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public synchronized void removeItemListener (ItemListener listener)
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{
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listeners = AWTEventMulticaster.remove (listeners, listener);
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}
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/** Set this checkbox's group.
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* @param group The new group. null means remove the Checkbox from
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* its group.
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*/
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public void setCheckboxGroup (CheckboxGroup group)
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{
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this.group = group;
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if (peer != null)
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{
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CheckboxPeer cp = (CheckboxPeer) peer;
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cp.setCheckboxGroup (group);
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}
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}
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/** Set the checkbox's label.
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* @param label The new label
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*/
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public synchronized 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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CheckboxPeer cp = (CheckboxPeer) peer;
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// FIXME: unclear what to do here; we err on the side of
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// caution.
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cp.setLabel (label == null ? "" : label);
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}
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}
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/** Set the checkbox's state.
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* @param state The new state.
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*/
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public void setState (boolean state)
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{
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this.state = state;
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if (peer != null)
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{
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CheckboxPeer cp = (CheckboxPeer) peer;
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cp.setState (state);
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}
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}
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private ItemListener listeners;
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String label;
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CheckboxGroup group;
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boolean state;
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}
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}
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/*************************************************************************/
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/**
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* Initializes a new instance of <code>Checkbox</code> with the specified
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* label, an initial state of off, and that is not part of any checkbox
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* group.
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*
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* @param label The label for this checkbox.
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*/
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public
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Checkbox(String label)
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{
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this(label, false, null);
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}
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/*************************************************************************/
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/**
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* Initializes a new instance of <code>Checkbox</code> with the specified
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* label and initial state, and that is not part of any checkbox
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* group.
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*
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* @param label The label for this checkbox.
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* @param state The initial state of the checkbox, <code>true</code> for
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* on, <code>false</code> for off.
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*/
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public
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Checkbox(String label, boolean state)
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{
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this(label, state, null);
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}
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/*************************************************************************/
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/**
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* Initializes a new instance of <code>Checkbox</code> with the specified
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* label, initial state, and checkbox group.
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*
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* @param label The label for this checkbox.
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* @param group The checkbox group for this box, or <code>null</code>
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* if there is no checkbox group.
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* @param state The initial state of the checkbox, <code>true</code> for
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* on, <code>false</code> for off.
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*/
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public
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Checkbox(String label, CheckboxGroup group, boolean state)
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{
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this(label, state, group);
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}
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||||||
|
/*************************************************************************/
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||||||
|
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||||||
|
/**
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|
* Initializes a new instance of <code>Checkbox</code> with the specified
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|
* label, initial state, and checkbox group.
|
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|
*
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* @param label The label for this checkbox.
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* @param state The initial state of the checkbox, <code>true</code> for
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|
* on, <code>false</code> for off.
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* @param group The checkbox group for this box, or <code>null</code>
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* if there is no checkbox group.
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|
*/
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|
public
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|
Checkbox(String label, boolean state, CheckboxGroup group)
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|
{
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this.label = label;
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this.state = state;
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|
this.group = group;
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||||||
|
}
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||||||
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||||||
|
/*************************************************************************/
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||||||
|
|
||||||
|
/*
|
||||||
|
* Instance Variables
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||||||
|
*/
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||||||
|
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|
/**
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|
* Returns the label for this checkbox.
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|
*
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|
* @return The label for this checkbox.
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|
*/
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public String
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|
getLabel()
|
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|
{
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|
return(label);
|
||||||
|
}
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||||||
|
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||||||
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/*************************************************************************/
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||||||
|
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||||||
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/**
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* Sets the label for this checkbox to the specified value.
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|
*
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|
* @param label The new checkbox label.
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||||||
|
*/
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||||||
|
public synchronized void
|
||||||
|
setLabel(String label)
|
||||||
|
{
|
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|
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(getClass().getName() + "[label=" + label + ",state=" + state
|
||||||
|
+ ",group=" + group + "]");
|
||||||
|
}
|
||||||
|
|
||||||
|
} // class Checkbox
|
||||||
|
|||||||
@ -1,66 +1,162 @@
|
|||||||
/* Copyright (C) 2000 Free Software Foundation
|
/* CheckboxGroup.java -- A grouping class for checkboxes.
|
||||||
|
Copyright (C) 1999, 2000, 2002 Free Software Foundation, Inc.
|
||||||
|
|
||||||
This file is part of libgcj.
|
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.
|
||||||
|
|
||||||
|
As a special exception, if you link this library with other files to
|
||||||
|
produce an executable, this library does not by itself cause the
|
||||||
|
resulting executable to be covered by the GNU General Public License.
|
||||||
|
This exception does not however invalidate any other reasons why the
|
||||||
|
executable file might be covered by the GNU General Public License. */
|
||||||
|
|
||||||
This software is copyrighted work licensed under the terms of the
|
|
||||||
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
|
|
||||||
details. */
|
|
||||||
|
|
||||||
package java.awt;
|
package java.awt;
|
||||||
|
|
||||||
import java.io.Serializable;
|
/**
|
||||||
|
* This class if for combining checkboxes into groups so that only
|
||||||
/** This class is used to groups checkbox components.
|
* one checkbox in the group can be selected at any one time.
|
||||||
* @author Tom Tromey <tromey@redhat.com>
|
*
|
||||||
* @date December 25, 2000
|
* @author Aaron M. Renn (arenn@urbanophile.com)
|
||||||
*/
|
* @author Tom Tromey <tromey@redhat.com>
|
||||||
public class CheckboxGroup implements Serializable
|
*/
|
||||||
|
public class CheckboxGroup implements java.io.Serializable
|
||||||
{
|
{
|
||||||
// Current set checkbox.
|
|
||||||
Checkbox selectedCheckbox;
|
|
||||||
|
|
||||||
/** Create a new instance of CheckboxGroup. */
|
/*
|
||||||
public CheckboxGroup ()
|
* Static Variables
|
||||||
{
|
*/
|
||||||
}
|
|
||||||
|
|
||||||
/** Returns the currently selected checkbox in the group.
|
// Serialization constant
|
||||||
* @deprecated
|
private static final long serialVersionUID = 3729780091441768983L;
|
||||||
*/
|
|
||||||
public Checkbox getCurrent ()
|
|
||||||
{
|
|
||||||
return getSelectedCheckbox ();
|
|
||||||
}
|
|
||||||
|
|
||||||
/** Returns the currently selected checkbox in the group. */
|
/*************************************************************************/
|
||||||
public Checkbox getSelectedCheckbox ()
|
|
||||||
{
|
|
||||||
return selectedCheckbox;
|
|
||||||
}
|
|
||||||
|
|
||||||
/** Set the selected checkbox.
|
/*
|
||||||
* @deprecated
|
* Instance Variables
|
||||||
*/
|
*/
|
||||||
public synchronized void setCurrent (Checkbox checkbox)
|
|
||||||
{
|
|
||||||
setSelectedCheckbox (checkbox);
|
|
||||||
}
|
|
||||||
|
|
||||||
/** Set the selected checkbox. */
|
/**
|
||||||
public synchronized void setSelectedCheckbox (Checkbox checkbox)
|
* @serial The currently selected checkbox.
|
||||||
{
|
*/
|
||||||
if (checkbox != null && checkbox.group != this)
|
private Checkbox selectedCheckbox;
|
||||||
return;
|
|
||||||
|
|
||||||
selectedCheckbox.setState (false);
|
/*************************************************************************/
|
||||||
selectedCheckbox = checkbox;
|
|
||||||
if (checkbox != null)
|
|
||||||
checkbox.setState (true);
|
|
||||||
}
|
|
||||||
|
|
||||||
/** Return String representation of this class and current Checkbox. */
|
/*
|
||||||
public String toString ()
|
* Constructors
|
||||||
{
|
*/
|
||||||
return "[CheckboxGroup: " + selectedCheckbox + "]";
|
|
||||||
}
|
/**
|
||||||
|
* Initializes a new instance of <code>CheckboxGroup</code>.
|
||||||
|
*/
|
||||||
|
public
|
||||||
|
CheckboxGroup()
|
||||||
|
{
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*************************************************************************/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Instance Methods
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the currently selected checkbox, or <code>null</code> if none
|
||||||
|
* of the checkboxes in this group are selected.
|
||||||
|
*
|
||||||
|
* @return The selected checkbox.
|
||||||
|
*/
|
||||||
|
public Checkbox
|
||||||
|
getSelectedCheckbox()
|
||||||
|
{
|
||||||
|
return(selectedCheckbox);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*************************************************************************/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns the currently selected checkbox, or <code>null</code> if none
|
||||||
|
* of the checkboxes in this group are selected.
|
||||||
|
*
|
||||||
|
* @return The selected checkbox.
|
||||||
|
*
|
||||||
|
* @deprecated This method is deprecated in favor of
|
||||||
|
* <code>getSelectedCheckbox()</code>.
|
||||||
|
*/
|
||||||
|
public Checkbox
|
||||||
|
getCurrent()
|
||||||
|
{
|
||||||
|
return(selectedCheckbox);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*************************************************************************/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This method sets the specified checkbox to be the selected on in this
|
||||||
|
* group, and unsets all others.
|
||||||
|
*
|
||||||
|
* @param selectedCheckbox The new selected checkbox.
|
||||||
|
*/
|
||||||
|
public void
|
||||||
|
setSelectedCheckbox(Checkbox selectedCheckbox)
|
||||||
|
{
|
||||||
|
if (this.selectedCheckbox != null)
|
||||||
|
{
|
||||||
|
if (this.selectedCheckbox.getCheckboxGroup() != this)
|
||||||
|
return;
|
||||||
|
|
||||||
|
this.selectedCheckbox.setState(false);
|
||||||
|
}
|
||||||
|
|
||||||
|
this.selectedCheckbox = selectedCheckbox;
|
||||||
|
if (selectedCheckbox != null)
|
||||||
|
selectedCheckbox.setState(true);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*************************************************************************/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* This method sets the specified checkbox to be the selected on in this
|
||||||
|
* group, and unsets all others.
|
||||||
|
*
|
||||||
|
* @param selectedCheckbox The new selected checkbox.
|
||||||
|
*
|
||||||
|
* @deprecated This method is deprecated in favor of
|
||||||
|
* <code>setSelectedCheckbox()</code>.
|
||||||
|
*/
|
||||||
|
public void
|
||||||
|
setCurrent(Checkbox selectedCheckbox)
|
||||||
|
{
|
||||||
|
setSelectedCheckbox(selectedCheckbox);
|
||||||
|
}
|
||||||
|
|
||||||
|
/*************************************************************************/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns a string representation of this checkbox group.
|
||||||
|
*
|
||||||
|
* @return A string representation of this checkbox group.
|
||||||
|
*/
|
||||||
|
public String
|
||||||
|
toString()
|
||||||
|
{
|
||||||
|
return(getClass().getName() + "[selectedCheckbox=" + selectedCheckbox + "]");
|
||||||
|
}
|
||||||
|
|
||||||
|
} // class CheckboxGroup
|
||||||
|
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user