INTEGRATION: CWS vcl07 (1.3.2); FILE ADDED

2003/04/08 14:28:41 obr 1.3.2.1: re-added accessibility workbench

toolkit/test/accessibility/EventListener.java

+
+import javax.swing.tree.TreeModel;
+import javax.swing.tree.TreePath;
+import javax.swing.event.TreeModelListener;
+import javax.swing.event.TreeModelEvent;
+
+import java.util.Vector;
+import java.util.HashMap;
+import java.util.Enumeration;
+
+import drafts.com.sun.star.accessibility.*;
+import com.sun.star.uno.*;
+
+import com.sun.star.uno.UnoRuntime;
+import com.sun.star.uno.XInterface;
+import com.sun.star.uno.Any;
+import com.sun.star.lang.EventObject;
+import com.sun.star.lang.XServiceInfo;
+import com.sun.star.lang.XServiceName;
+
+/** Objects of this class (usually one, singleton?) listen to accessible
+    events of all objects in all trees.
+*/
+public class EventListener
+{
+    public boolean mbVerbose = false;
+
+    public EventListener (AccessibilityTreeModel aTreeModel)
+    {
+        maTreeModel = aTreeModel;
+    }
+
+
+    private static String objectToString(Object aObject)
+    {
+        if (aObject == null)
+            return null;
+        else
+            return aObject.toString();
+    }
+
+
+
+    /** This method handles accessibility objects that are being disposed.
+     */
+    public void disposing (XAccessibleContext xContext)
+    {
+        if (mbVerbose)
+            System.out.println("disposing " + xContext);
+        maTreeModel.removeNode (xContext);
+    }
+
+    /** This method is called from accessible objects that broadcast
+        modifications of themselves or from their children.  The event is
+        processed only, except printing some messages, if the tree is not
+        locked.  It should be locked during changes to its internal
+        structure like expanding nodes.
+    */
+    public void notifyEvent (AccessibleEventObject aEvent)
+    {
+        EventHandler aHandler;
+
+        switch (aEvent.EventId)
+        {
+            case AccessibleEventId.ACCESSIBLE_CHILD_EVENT:
+                aHandler = new ChildEventHandler (aEvent, maTreeModel);
+                break;
+
+            case AccessibleEventId.ACCESSIBLE_BOUNDRECT_EVENT:
+            case AccessibleEventId.ACCESSIBLE_VISIBLE_DATA_EVENT:
+                aHandler = new GeometryEventHandler (aEvent, maTreeModel);
+                break;
+
+
+            case AccessibleEventId.ACCESSIBLE_NAME_EVENT:
+            case AccessibleEventId.ACCESSIBLE_DESCRIPTION_EVENT:
+            case AccessibleEventId.ACCESSIBLE_STATE_EVENT:
+            case AccessibleEventId.CONTROLLED_BY_EVENT:
+            case AccessibleEventId.CONTROLLER_FOR_EVENT:
+            case AccessibleEventId.LABEL_FOR_EVENT:
+            case AccessibleEventId.LABELED_BY_EVENT:
+            case AccessibleEventId.MEMBER_OF_EVENT:
+            case AccessibleEventId.ACCESSIBLE_SELECTION_EVENT:
+                aHandler = new ContextEventHandler (aEvent, maTreeModel);
+                break;
+
+            case AccessibleEventId.ACCESSIBLE_TABLE_MODEL_EVENT:
+            case AccessibleEventId.ACCESSIBLE_TABLE_CAPTION_EVENT:
+            case AccessibleEventId.ACCESSIBLE_TABLE_COLUMN_DESCRIPTION_EVENT:
+            case AccessibleEventId.ACCESSIBLE_TABLE_COLUMN_HEADER_EVENT:
+            case AccessibleEventId.ACCESSIBLE_TABLE_ROW_DESCRIPTION_EVENT:
+            case AccessibleEventId.ACCESSIBLE_TABLE_ROW_HEADER_EVENT:
+            case AccessibleEventId.ACCESSIBLE_TABLE_SUMMARY_EVENT:
+                aHandler = new TableEventHandler (aEvent, maTreeModel);
+                break;
+
+            case AccessibleEventId.ACCESSIBLE_ACTION_EVENT:
+                aHandler = new EventHandler (aEvent, maTreeModel);
+                break;
+
+            case AccessibleEventId.ACCESSIBLE_HYPERTEXT_EVENT:
+                aHandler = new EventHandler (aEvent, maTreeModel);
+                break;
+
+            case AccessibleEventId.ACCESSIBLE_ACTIVE_DESCENDANT_EVENT:
+            case AccessibleEventId.ACCESSIBLE_CARET_EVENT:
+            case AccessibleEventId.ACCESSIBLE_TEXT_EVENT:
+            case AccessibleEventId.ACCESSIBLE_VALUE_EVENT:
+                aHandler = new EventHandler (aEvent, maTreeModel);
+                break;
+
+            default:
+                aHandler = null;
+                break;
+        }
+
+        if (aHandler == null)
+            System.out.println ("    unhandled event");
+        else
+        {
+            if (mbVerbose)
+                aHandler.Print (System.out);
+            aHandler.Process ();
+        }
+    }
+
+
+    private AccessibilityTreeModel maTreeModel;
+}