MenuContainer.java: Fixed typo.
* java/awt/MenuContainer.java: Fixed typo. * Makefile.in: Rebuilt. * Makefile.am (awt_java_source_files): Added SystemColor.java. * java/awt/SystemColor.java: New file. * java/awt/Color.java (rgba): Now package-private. * java/awt/event/InputEvent.java (isAltGraphDown): New method. * java/awt/event/ContainerEvent.java (getContainer): Renamed from getComponent. * java/awt/MenuItem.java (addNotify): New method. (MenuItem(String,MenuShortcut)): New constructor. (setLabel): Notify peer of change. (setEnabled): Likewise. * java/awt/GridLayout.java (toString): New method. * java/awt/FlowLayout.java (LEADING, TRAILING): New constants. (FlowLayout): Check for LEADING and TRAILING. (setAlignment): Likewise. (layoutContainer): Handle component orientation. * java/awt/Component.java (orientatin): New field. (setComponentOrientation): Wrote. (getComponentOrientation): Wrote. * java/awt/Event.java (Event): Implements Serializable. (consumed): New field for serialization. * java/awt/Dimension.java (Dimension): Implements Serializable. * java/awt/Cursor.java (Cursor): Implements Serializable. * java/awt/Container.java (Container): No longer abstract. * java/awt/Choice.java: Wrote. * java/awt/Checkbox.java: Wrote. * java/awt/ItemSelectable.java: Documented. * java/awt/CheckboxGroup.java: Wrote. * java/awt/CardLayout.java (layoutContainer): Directly use fields in other classes. (getSize): Likewise. From-SVN: r38486
This commit is contained in:
Tom Tromey
Tom Tromey
parent
83050e0d93
commit
5472d1951a
21 changed files with 851 additions and 74 deletions
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@ -7,9 +7,269 @@ 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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import java.awt.event.*;
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import java.awt.peer.ChoicePeer;
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import java.util.ArrayList;
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/* A very incomplete placeholder. */
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public class Choice extends Component
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/** This component lets the user choose an item from a list of
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* Strings.
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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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public class Choice extends Component implements ItemSelectable
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{
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/** Create a new Choice object. */
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public Choice ()
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{
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items = new ArrayList ();
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selected = -1;
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}
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/** Add a new item to this Choice object. If the item is the first
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* item on the list, then it is selected.
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* @param item The new item; must be non-null.
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*/
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public synchronized void add (String item)
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{
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if (item == null)
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throw new IllegalArgumentException ("item must be non-null");
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items.add (item);
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int i = items.size () - 1;
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if (peer != null)
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{
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ChoicePeer cp = (ChoicePeer) peer;
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cp.add (item, i);
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}
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if (i == 0)
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select (0);
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}
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/** Add a new item to this Choice object. This is the same as the
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* add method. */
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public void addItem (String item)
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{
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add (item);
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}
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/** Add a listener for item events.
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* @param listener The listener to add.
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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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public void addNotify ()
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{
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if (peer == null)
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peer = getToolkit ().createChoice (this);
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}
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/** Returns number of items.
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* @deprecated
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*/
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public int countItems ()
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{
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return getItemCount ();
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}
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/** Returns an item from this choice.
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* @param index Index of the item. Indices start at zero.
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*/
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public String getItem (int index)
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{
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return (String) items.get (index);
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}
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/** Returns number of items in Choice. */
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public int getItemCount ()
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{
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return items.size ();
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}
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/** Returns index of selected item; -1 if no item is selected. */
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public int getSelectedIndex ()
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{
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return selected;
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}
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/** Returns currently selected item; null if no item is selected. */
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public synchronized String getSelectedItem ()
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{
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return selected == -1 ? null : (String) items.get (selected);
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}
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/** Returns the currently selected item. */
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public synchronized Object[] getSelectedObjects ()
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{
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// The JCL says this can return null but that breaks the contract
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// for ItemSelectable.
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Object[] r;
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if (selected != -1)
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{
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r = new Object[1];
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r[0] = items.get (selected);
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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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/** Inserts an item into this Choice. Existing items are shifted
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* upwards. If the new item is the only item, then it is selected.
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* If the currently selected item is shifted, then the first item is
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* selected. If the currently selected item is not shifted, then it
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* remains selected.
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* @param item The new item
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* @param index The position at which to insert it.
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*/
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public synchronized void insert (String item, int index)
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{
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if (index > items.size ())
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index = items.size ();
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items.add (index, item);
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if (peer != null)
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{
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ChoicePeer cp = (ChoicePeer) peer;
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cp.add (item, index);
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}
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if (items.size () == 1 || selected >= index)
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select (0);
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}
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/** Generates a String representation of this Choice's state. */
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protected String paramString ()
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{
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return ("Choice["
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+ "selected=" + selected
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+ "]");
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}
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/** Process an event for this Choice
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* @param event The event the process.
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*/
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protected void processEvent (AWTEvent event)
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{
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if (event instanceof ItemEvent)
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processItemEvent ((ItemEvent) event);
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else
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super.processEvent (event);
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}
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/** Process an item event for this Choice.
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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 from this Choice. If several matches exist, the
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* first one is removed. If the removed item is selected, the the
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* first item is selected.
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* @param item The item string.
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*/
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public synchronized void remove (String item)
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{
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int size = items.size ();
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for (int i = 0; i < size; ++i)
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{
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if (item.equals (items.get (i)))
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{
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remove (i);
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break;
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}
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}
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throw new IllegalArgumentException ("item \"" + item + "\" not in Choice");
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}
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/** Remove an item from this Choice. If the removed item is
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* selected, the the first item is selected.
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* @param index Index of the item to remove
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*/
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public synchronized void remove (int index)
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{
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items.remove (index);
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if (peer != null)
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{
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ChoicePeer cp = (ChoicePeer) peer;
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cp.remove (index);
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}
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if (index == selected)
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select (0);
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else if (selected > index)
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--selected;
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}
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/** Remove all items from this choice. */
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public synchronized void removeAll ()
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{
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int oldsize = items.size ();
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items.clear ();
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selected = -1;
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if (peer != null)
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{
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ChoicePeer cp = (ChoicePeer) peer;
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for (int i = 0; i < oldsize; ++i)
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{
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// Always remove item 0.
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cp.remove (0);
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}
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}
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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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/** Select an item in this Choice.
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* @param item Name of the item to select.
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*/
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public synchronized void select (String item)
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{
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int size = items.size ();
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for (int i = 0; i < size; ++i)
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{
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if (item.equals (items.get (i)))
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{
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select (i);
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break;
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}
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}
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}
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/** Select an item in this choice.
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* @param index Index of item to select.
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*/
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public synchronized void select (int index)
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{
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if (index < 0 || index > items.size ())
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throw new IllegalArgumentException ("index out of range");
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selected = index;
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if (peer != null)
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{
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ChoicePeer cp = (ChoicePeer) peer;
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cp.select (index);
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}
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}
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private ItemListener listeners;
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// List of items.
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ArrayList items;
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// Index of selected item.
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int selected;
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}
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