[gui] Add Choice.AccessibleAWTChoice

[Jerry Quinn <jlquinn at optonline dot net>]

Here's something to throw darts at...

2004-11-07  Jerry Quinn  <jlquinn@optonline.net>

	* java/awt/Choice.java (AccessibleAWTChoice): Implement.

Index: Choice.java
===================================================================
RCS file: /cvs/gcc/gcc/libjava/java/awt/Choice.java,v
retrieving revision 1.14.2.1
retrieving revision 1.14.2.2
diff -u -r1.14.2.1 -r1.14.2.2
--- Choice.java	7 Nov 2004 00:11:33 -0000	1.14.2.1
+++ Choice.java	7 Nov 2004 05:51:06 -0000	1.14.2.2
@@ -45,6 +45,10 @@
 import java.util.EventListener;
 import java.util.Vector;

+import javax.accessibility.AccessibleAction;
+import javax.accessibility.AccessibleContext;
+import javax.accessibility.AccessibleRole;
+
 /**
   * This class implements a drop down choice list.
   *
@@ -79,6 +83,53 @@
 // Listener chain
 private ItemListener item_listeners;

+  protected class AccessibleAWTChoice
+    extends Component.AccessibleAWTComponent
+    implements AccessibleAction
+  {
+    public AccessibleAction getAccessibleAction()
+    {
+      return this;
+    }
+
+    // FIXME: I think this is right, but should be checked by someone who
+    // knows better.
+    public AccessibleRole getAccessibleRole()
+    {
+      return AccessibleRole.POPUP_MENU;
+    }
+	
+    /* (non-Javadoc)
+     * @see javax.accessibility.AccessibleAction#getAccessibleActionCount()
+     */
+    public int getAccessibleActionCount()
+    {
+      return pItems.size();
+    }
+
+    /* (non-Javadoc)
+     * @see 
javax.accessibility.AccessibleAction#getAccessibleActionDescription(int)
+     */
+    public String getAccessibleActionDescription(int i)
+    {
+      return (String) pItems.get(i);
+    }
+	
+    /* (non-Javadoc)
+     * @see javax.accessibility.AccessibleAction#doAccessibleAction(int)
+     */
+    public boolean doAccessibleAction(int i)
+    {
+      if (i < 0 || i >= pItems.size())
+	return false;
+	
+      Choice.this.processItemEvent(new ItemEvent(Choice.this,
+						 ItemEvent.ITEM_STATE_CHANGED,
+						 this, ItemEvent.SELECTED));
+      return true;
+    }
+  }
+
 /*************************************************************************/

 /*
@@ -512,4 +563,9 @@
   {
     return (ItemListener[]) getListeners (ItemListener.class);
   }
+
+  public AccessibleContext getAccessibleContext()
+  {
+    return new AccessibleAWTChoice();
+  }
 } // class Choice