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ButtonPeer.java: Replace with Classpath version.

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* java/awt/peer/ButtonPeer.java: Replace with Classpath version.
	* java/awt/peer/CanvasPeer.java: Replace with Classpath version.
	* java/awt/peer/CheckboxMenuItemPeer.java: Replace with Classpath
	version.
	* java/awt/peer/CheckboxPeer.java: Replace with Classpath version.
	* java/awt/peer/ChoicePeer.java: Replace with Classpath version.
	* java/awt/peer/ComponentPeer.java: Replace with Classpath version.
	* java/awt/peer/ContainerPeer.java: Replace with Classpath version.
	* java/awt/peer/DialogPeer.java: Replace with Classpath version.
	* java/awt/peer/FileDialogPeer.java: Replace with Classpath version.
	* java/awt/peer/FontPeer.java: Replace with Classpath version.
	* java/awt/peer/FramePeer.java: Replace with Classpath version.
	* java/awt/peer/LabelPeer.java: Replace with Classpath version.
	* java/awt/peer/LightweightPeer.java: Replace with Classpath version.
	* java/awt/peer/ListPeer.java: Replace with Classpath version.
	* java/awt/peer/MenuBarPeer.java: Replace with Classpath version.
	* java/awt/peer/MenuComponentPeer.java: Replace with Classpath version.
	* java/awt/peer/MenuItemPeer.java: Replace with Classpath version.
	* java/awt/peer/MenuPeer.java: Replace with Classpath version.
	* java/awt/peer/PanelPeer.java: Replace with Classpath version.
	* java/awt/peer/PopupMenuPeer.java: Replace with Classpath version.
	* java/awt/peer/ScrollPanePeer.java: Replace with Classpath version.
	* java/awt/peer/ScrollbarPeer.java: Replace with Classpath version.
	* java/awt/peer/TextAreaPeer.java: Replace with Classpath version.
	* java/awt/peer/TextComponentPeer.java: Replace with Classpath version.
	* java/awt/peer/TextFieldPeer.java: Replace with Classpath version.
	* java/awt/peer/WindowPeer.java: Replace with Classpath version.
	* gnu/awt/xlib/XPanelPeer.java (insets): New method.
	* gnu/awt/xlib/XCanvasPeer.java (show, hide): New methods.
	(minimumSize, preferredSize, reshape): Likewise.
	* gnu/awt/xlib/XFramePeer.java (insets, enable, disable,
	getColorModel): New methods.
	* java/awt/PopupMenu.java: Merged with Classpath.
	* java/awt/MenuBar.java: Merged with Classpath.
	* java/awt/SystemColor.java: Replace with Classpath version.
	* java/awt/Panel.java: Merged with Classpath.
	* java/awt/PaintContext.java: Updated copyright.
	* java/awt/MenuShortcut.java: Merged with Classpath.
	* java/awt/MenuContainer.java: Merged with Classpath.
	* java/awt/Menu.java: Merged with Classpath.
	* java/awt/MediaEntry.java: New file from Classpath.
	* java/awt/MediaTracker.java: New file from Classpath.
	* java/awt/List.java: Merged with Classpath version.
	* java/awt/Insets.java: Merged with Classpath version.
	* java/awt/ImageMediaEntry.java: New file from Classpath.
	* java/awt/Image.java: Replaced with Classpath version.
	* java/awt/FontMetrics.java: Merged with Classpath version.
	* java/awt/Cursor.java (getDefaultCursor): Use DEFAULT_CURSOR
	constant.
	* java/awt/Font.java: Merged with Classpath version.
	* java/awt/Dialog.java: Merged with Classpath version.
	* java/awt/Color.java: Merged with Classpath version.
	* java/awt/Choice.java: Merged with Classpath version.
	* java/awt/CheckboxMenuItem.java: Merged with Classpath version.
	* java/awt/Adjustable.java: Replace with Classpath version.
	* java/awt/MenuItem.java (paramString): Don't include class name
	or brackets.  Call superclass paramString.
	* java/awt/MenuComponent.java (toString): Call paramString.
	(paramString): Compute string; don't call toString.
	* java/awt/Label.java (paramString): Don't include class name
	or brackets.  Call superclass paramString.
	* java/awt/Checkbox.java (paramString): Don't include class name
	or brackets.  Call superclass paramString.
	* java/awt/Button.java (paramString): Don't include class name or
	brackets.  Call superclass paramString.
	* java/awt/MenuComponent.java (getTreeLock): Now protected.

From-SVN: r49099
This commit is contained in:
Tom Tromey
2002-01-22 22:03:04 +00:00
committed by Tom Tromey
parent e3b0efd1ee
commit bda1450543
58 changed files with 6837 additions and 2479 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libjava/java/awt/Choice.java
+418 -258
View File
@@ -1,276 +1,436 @@
/* Copyright (C) 2000, 2001 Free Software Foundation
/* Choice.java -- Java choice button widget.
Copyright (C) 1999, 2000, 2001, 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;
import java.awt.event.*;
import java.awt.peer.ChoicePeer;
import java.util.ArrayList;
import java.awt.peer.ComponentPeer;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.io.Serializable;
import java.util.Vector;
/** This component lets the user choose an item from a list of
* Strings.
* @author Tom Tromey <tromey@redhat.com>
* @date December 25, 2000
*/
public class Choice extends Component implements ItemSelectable
/**
* This class implements a drop down choice list.
*
* @author Aaron M. Renn (arenn@urbanophile.com)
*/
public class Choice extends Component implements ItemSelectable, Serializable
{
/** Create a new Choice object. */
public Choice ()
{
items = new ArrayList ();
selected = -1;
}
/** Add a new item to this Choice object. If the item is the first
* item on the list, then it is selected.
* @param item The new item; must be non-null.
*/
public synchronized void add (String item)
{
if (item == null)
throw new IllegalArgumentException ("item must be non-null");
items.add (item);
/*
* Static Variables
*/
int i = items.size () - 1;
if (peer != null)
{
ChoicePeer cp = (ChoicePeer) peer;
cp.add (item, i);
}
// Serialization constant
private static final long serialVersionUID = -4075310674757313071L;
if (i == 0)
select (0);
}
/*************************************************************************/
/** Add a new item to this Choice object. This is the same as the
* add method. */
public void addItem (String item)
{
add (item);
}
/*
* Instance Variables
*/
/** Add a listener for item events.
* @param listener The listener to add.
*/
public synchronized void addItemListener (ItemListener listener)
{
listeners = AWTEventMulticaster.add (listeners, listener);
}
/**
* @serial A list of items for the choice box, which can be <code>null</code>.
*/
private Vector pItems = new Vector();
/** This creates the component's peer. */
public void addNotify ()
{
if (peer == null)
peer = getToolkit ().createChoice (this);
super.addNotify ();
}
/**
* @serial The index of the selected item in the choice box.
*/
private int selectedIndex = -1;
/** Returns number of items.
* @deprecated
*/
public int countItems ()
{
return getItemCount ();
}
// Listener chain
private ItemListener item_listeners;
/** Returns an item from this choice.
* @param index Index of the item. Indices start at zero.
*/
public String getItem (int index)
{
return (String) items.get (index);
}
/*************************************************************************/
/** Returns number of items in Choice. */
public int getItemCount ()
{
return items.size ();
}
/*
* Constructors
*/
/** Returns index of selected item; -1 if no item is selected. */
public int getSelectedIndex ()
{
return selected;
}
/** Returns currently selected item; null if no item is selected. */
public synchronized String getSelectedItem ()
{
return selected == -1 ? null : (String) items.get (selected);
}
/** Returns the currently selected item. */
public synchronized Object[] getSelectedObjects ()
{
// The JCL says this can return null but that breaks the contract
// for ItemSelectable.
Object[] r;
if (selected != -1)
{
r = new Object[1];
r[0] = items.get (selected);
}
else
r = new Object[0];
return r;
}
/** Inserts an item into this Choice. Existing items are shifted
* upwards. If the new item is the only item, then it is selected.
* If the currently selected item is shifted, then the first item is
* selected. If the currently selected item is not shifted, then it
* remains selected.
* @param item The new item
* @param index The position at which to insert it.
*/
public synchronized void insert (String item, int index)
{
if (index > items.size ())
index = items.size ();
items.add (index, item);
if (peer != null)
{
ChoicePeer cp = (ChoicePeer) peer;
cp.add (item, index);
}
if (items.size () == 1 || selected >= index)
select (0);
}
/** Generates a String representation of this Choice's state. */
protected String paramString ()
{
return ("Choice["
+ "selected=" + selected
+ "]");
}
/** Process an event for this Choice
* @param event The event the process.
*/
protected void processEvent (AWTEvent event)
{
if (event instanceof ItemEvent)
processItemEvent ((ItemEvent) event);
else
super.processEvent (event);
}
/** Process an item event for this Choice.
* @param event The ItemEvent to process
*/
protected void processItemEvent (ItemEvent event)
{
if (listeners != null)
listeners.itemStateChanged (event);
}
/** Remove an item from this Choice. If several matches exist, the
* first one is removed. If the removed item is selected, the the
* first item is selected.
* @param item The item string.
*/
public synchronized void remove (String item)
{
int size = items.size ();
for (int i = 0; i < size; ++i)
{
if (item.equals (items.get (i)))
{
remove (i);
break;
}
}
throw new IllegalArgumentException ("item \"" + item + "\" not in Choice");
}
/** Remove an item from this Choice. If the removed item is
* selected, the the first item is selected.
* @param index Index of the item to remove
*/
public synchronized void remove (int index)
{
items.remove (index);
if (peer != null)
{
ChoicePeer cp = (ChoicePeer) peer;
cp.remove (index);
}
if (index == selected)
select (0);
else if (selected > index)
--selected;
}
/** Remove all items from this choice. */
public synchronized void removeAll ()
{
int oldsize = items.size ();
items.clear ();
selected = -1;
if (peer != null)
{
ChoicePeer cp = (ChoicePeer) peer;
for (int i = 0; i < oldsize; ++i)
{
// Always remove item 0.
cp.remove (0);
}
}
}
/** Remove an item listener.
* @param listener Item listener to remove.
*/
public synchronized void removeItemListener (ItemListener listener)
{
listeners = AWTEventMulticaster.remove (listeners, listener);
}
/** Select an item in this Choice.
* @param item Name of the item to select.
*/
public synchronized void select (String item)
{
int size = items.size ();
for (int i = 0; i < size; ++i)
{
if (item.equals (items.get (i)))
{
select (i);
break;
}
}
}
/** Select an item in this choice.
* @param index Index of item to select.
*/
public synchronized void select (int index)
{
if (index < 0 || index > items.size ())
throw new IllegalArgumentException ("index out of range");
selected = index;
if (peer != null)
{
ChoicePeer cp = (ChoicePeer) peer;
cp.select (index);
}
}
private ItemListener listeners;
// List of items.
ArrayList items;
// Index of selected item.
int selected;
/**
* Initializes a new instance of <code>Choice</code>.
*/
public
Choice()
{
}
/*************************************************************************/
/*
* Instance Methods
*/
/**
* Returns the number of items in the list.
*
* @return The number of items in the list.
*/
public int
getItemCount()
{
return(pItems.size());
}
/*************************************************************************/
/**
* Returns the number of items in the list.
*
* @return The number of items in the list.
*
* @deprecated This method is deprecated in favor of <code>getItemCount</code>.
*/
public int
countItems()
{
return(pItems.size());
}
/*************************************************************************/
/**
* Returns the item at the specified index in the list.
*
* @param index The index into the list to return the item from.
*
* @exception ArrayIndexOutOfBoundsException If the index is invalid.
*/
public String
getItem(int index)
{
return((String)pItems.elementAt(index));
}
/*************************************************************************/
/**
* Adds the specified item to this choice box.
*
* @param item The item to add.
*/
public synchronized void
add(String item)
{
if (item == null)
throw new IllegalArgumentException ("item must be non-null");
pItems.addElement(item);
int i = pItems.size () - 1;
if (peer != null)
{
ChoicePeer cp = (ChoicePeer) peer;
cp.add (item, i);
}
if (i == 0)
select (0);
}
/*************************************************************************/
/**
* Adds the specified item to this choice box.
*
* @param item The item to add.
*/
public synchronized void
addItem(String item)
{
add(item);
}
/*************************************************************************/
/** Inserts an item into this Choice. Existing items are shifted
* upwards. If the new item is the only item, then it is selected.
* If the currently selected item is shifted, then the first item is
* selected. If the currently selected item is not shifted, then it
* remains selected.
*
* @param item The item to add.
* @param index The index at which the item should be inserted.
*/
public synchronized void
insert(String item, int index)
{
if (index > getItemCount ())
index = getItemCount ();
pItems.insertElementAt(item, index);
if (peer != null)
{
ChoicePeer cp = (ChoicePeer) peer;
cp.add (item, index);
}
if (getItemCount () == 1 || selectedIndex >= index)
select (0);
}
/*************************************************************************/
/**
* Removes the specified item from the choice box.
*
* @param item The item to remove.
*
* @param IllegalArgumentException If the specified item doesn't exist.
*/
public synchronized void
remove(String item)
{
int index = pItems.indexOf(item);
if (index == -1)
throw new IllegalArgumentException ("item \""
+ item + "\" not found in Choice");
remove(index);
}
/*************************************************************************/
/**
* Removes the item at the specified index from the choice box.
*
* @param index The index of the item to remove.
*
* @exception ArrayIndexOutOfBoundException If the index is not valid.
*/
public synchronized void
remove(int index)
{
pItems.removeElementAt(index);
if (peer != null)
{
ChoicePeer cp = (ChoicePeer) peer;
cp.remove (index);
}
if (index == selectedIndex)
select (0);
else if (selectedIndex > index)
--selectedIndex;
}
/*************************************************************************/
/**
* Removes all of the objects from this choice box.
*/
public synchronized void
removeAll()
{
int count = getItemCount();
for (int i = 0; i < count; i++)
{
// Always remove 0.
remove(0);
}
}
/*************************************************************************/
/**
* Returns the currently selected item, or null if no item is
* selected.
*
* @return The currently selected item.
*/
public synchronized String
getSelectedItem()
{
return (selectedIndex == -1
? null
: ((String)pItems.elementAt(selectedIndex)));
}
/*************************************************************************/
/**
* Returns an array with one row containing the selected item.
*
* @return An array containing the selected item.
*/
public synchronized Object[]
getSelectedObjects()
{
if (selectedIndex == -1)
return null;
Object[] objs = new Object[1];
objs[0] = pItems.elementAt(selectedIndex);
return(objs);
}
/*************************************************************************/
/**
* Returns the index of the selected item.
*
* @return The index of the selected item.
*/
public int
getSelectedIndex()
{
return(selectedIndex);
}
/*************************************************************************/
/**
* Forces the item at the specified index to be selected.
*
* @param index The index of the row to make selected.
*
* @param IllegalArgumentException If the specified index is invalid.
*/
public synchronized void
select(int index)
{
if ((index < 0) || (index > getItemCount()))
throw new IllegalArgumentException("Bad index: " + index);
this.selectedIndex = index;
if (peer != null)
{
ChoicePeer cp = (ChoicePeer) peer;
cp.select (index);
}
}
/*************************************************************************/
/**
* Forces the named item to be selected.
*
* @param item The item to be selected.
*
* @exception IllegalArgumentException If the specified item does not exist.
*/
public synchronized void
select(String item)
{
int index = pItems.indexOf(item);
if (index >= 0)
select(index);
}
/*************************************************************************/
/**
* Creates the native peer for this object.
*/
public void
addNotify()
{
if (peer == null)
peer = getToolkit ().createChoice (this);
super.addNotify ();
}
/*************************************************************************/
/**
* Adds the specified listener to the list of registered listeners for
* this object.
*
* @param listener The listener to add.
*/
public synchronized void
addItemListener(ItemListener listener)
{
item_listeners = AWTEventMulticaster.add(item_listeners, listener);
}
/*************************************************************************/
/**
* Removes the specified 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 invoking <code>processItemEvent()</code> if the
* event is an instance of <code>ItemEvent</code>, otherwise the event
* is passed to the superclass.
*
* @param event The event to process.
*/
protected void
processEvent(AWTEvent event)
{
if (event instanceof ItemEvent)
processItemEvent((ItemEvent)event);
else
super.processEvent(event);
}
/*************************************************************************/
/**
* Processes item event by dispatching to any registered listeners.
*
* @param event The event to process.
*/
protected void
processItemEvent(ItemEvent event)
{
if (item_listeners != null)
item_listeners.itemStateChanged(event);
}
/*************************************************************************/
/**
* Returns a debugging string for this object.
*
* @return A debugging string for this object.
*/
protected String
paramString()
{
return ("selectedIndex=" + selectedIndex + "," + super.paramString());
}
} // class Choice