INTEGRATION: CWS vcl07 (1.2.2); FILE ADDED

2003/04/08 14:28:51 obr 1.2.2.1: re-added accessibility workbench

toolkit/test/accessibility/NodeMap.java

+import drafts.com.sun.star.accessibility.XAccessibleContext;
+
+import java.util.HashMap;
+
+abstract class NodeMapCallback
+{
+    public abstract void Apply (AccTreeNode aNode);
+}
+
+/** This map translates from XAccessible objects to our internal
+    representations.
+*/
+class NodeMap
+{
+    public NodeMap ()
+    {
+        maXAccessibleToNode = new HashMap ();
+    }
+
+    /** Clear the whole map.
+    */
+    public void Clear ()
+    {
+        maXAccessibleToNode.clear();
+    }
+
+    /** @return
+            whether the new node was different from a previous one
+            repspectively was the first one set.
+    */
+    public boolean InsertNode (XAccessibleContext xContext, AccessibleTreeNode aNode)
+    {
+        AccessibleTreeNode aPreviousNode = (AccessibleTreeNode)maXAccessibleToNode.put (
+            xContext,
+            aNode);
+        return aPreviousNode != aNode;
+    }
+
+    protected void RemoveNode (AccessibleTreeNode aNode)
+    {
+        try
+        {
+            if ((aNode != null) && (aNode instanceof AccTreeNode))
+            {
+                maXAccessibleToNode.remove (((AccTreeNode)aNode).getContext());
+            }
+        }
+        catch (Exception e)
+        {
+            System.out.println ("caught exception while removing node "
+                + aNode + " : " + e);
+            e.printStackTrace();
+        }
+    }
+
+
+    public void ForEach (NodeMapCallback aFunctor)
+    {
+        Object[] aNodes = maXAccessibleToNode.values().toArray();
+        for (int i=0; i<aNodes.length; i++)
+        {
+            if (aNodes[i] != null && (aNodes[i] instanceof AccTreeNode))
+            {
+                try
+                {
+                    aFunctor.Apply ((AccTreeNode)aNodes[i]);
+                }
+                catch (Exception e)
+                {
+                    System.out.println ("caught exception applying functor to "
+                        + i + "th node " + aNodes[i] + " : " + e);
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
+    AccessibleTreeNode GetNode (XAccessibleContext xContext)
+    {
+        return (AccessibleTreeNode)maXAccessibleToNode.get (xContext);
+    }
+
+    AccessibleTreeNode GetNode (Object aObject)
+    {
+        if (aObject instanceof XAccessibleContext)
+            return GetNode ((XAccessibleContext)aObject);
+        else
+            return null;
+    }
+
+    XAccessibleContext GetAccessible (AccessibleTreeNode aNode)
+    {
+        if ((aNode != null) && (aNode instanceof AccTreeNode))
+            return ((AccTreeNode)aNode).getContext();
+        else
+            return null;
+    }
+
+    boolean IsMember (XAccessibleContext xContext)
+    {
+        return maXAccessibleToNode.containsKey(xContext);
+    }
+
+    boolean ValueIsMember (AccessibleTreeNode aNode)
+    {
+        return maXAccessibleToNode.containsValue(aNode);
+    }
+
+
+
+    private HashMap maXAccessibleToNode;
+}