INTEGRATION: CWS vcl07 (1.6.2); FILE ADDED

2003/04/08 14:28:37 obr 1.6.2.1: re-added accessibility workbench

1 files changed, 110 insertions, 0 deletions

diff --git a/toolkit/test/accessibility/AccessibleTreeHandler.java b/toolkit/test/accessibility/AccessibleTreeHandler.java
new file mode 100644
index 000000000000..3e8fc0429c90
--- /dev/null
+++ b/toolkit/test/accessibility/AccessibleTreeHandler.java
@@ -0,0 +1,110 @@
+import drafts.com.sun.star.accessibility.XAccessible;
+import drafts.com.sun.star.accessibility.XAccessibleContext;
+import com.sun.star.uno.UnoRuntime;
+import com.sun.star.lang.IndexOutOfBoundsException;
+
+
+/**
+ * Map the tree of accessibility objects into their
+ * AccessibilityTreeModel counterparts.
+ */
+class AccessibleTreeHandler
+    extends NodeHandler
+{
+    protected XAccessibleContext mxContext;
+
+    public NodeHandler createHandler (XAccessibleContext xContext)
+    {
+        if (xContext != null)
+            return new AccessibleTreeHandler (xContext);
+        else
+            return null;
+    }
+
+    public AccessibleTreeHandler ()
+    {
+        super();
+        mxContext = null;
+    }
+
+    public AccessibleTreeHandler (XAccessibleContext xContext)
+    {
+        super();
+        mxContext = xContext;
+        if (mxContext != null)
+            // Add one to the number of children to include the string node
+            // that tells you how many children there are.
+            synchronized (maChildList)
+            {
+                maChildList.setSize (1 + mxContext.getAccessibleChildCount());
+            }
+    }
+
+    public AccessibleTreeNode createChild (AccessibleTreeNode aParent, int nIndex)
+    {
+        AccessibleTreeNode aChild = null;
+        if (mxContext != null)
+        {
+            if (nIndex == 0)
+                aChild = new StringNode ("Child count: " + mxContext.getAccessibleChildCount(),
+                    aParent);
+            else
+            {
+                // Lower index to skip the string node.
+                nIndex -= 1;
+                try
+                {
+                    XAccessible xChild = mxContext.getAccessibleChild (nIndex);
+                    aChild = NodeFactory.Instance().createDefaultNode (
+                        xChild, aParent);
+                }
+                catch( IndexOutOfBoundsException e )
+                {
+                    aChild = new StringNode ("ERROR: no child with index " + nIndex, aParent);
+                }
+            }
+        }
+        else
+            aChild = new StringNode ("XAccessibleContext interface not supported", aParent);
+        return aChild;
+    }
+
+    /** Try to add the specified accessible child into the lists of
+        children.  The insertion position is determined from the
+        getIndexInParent method of the child.
+    */
+    public AccessibleTreeNode addAccessibleChild (AccessibleTreeNode aParent, XAccessible xChild)
+    {
+        AccessibleTreeNode aChild = null;
+
+        if (xChild != null)
+        {
+            XAccessibleContext xContext = xChild.getAccessibleContext();
+            if (xContext != null)
+            {
+                int nIndex = xContext.getAccessibleIndexInParent() + 1;
+                synchronized (maChildList)
+                {
+                    if ((nIndex >= 0) || (nIndex <= maChildList.size()))
+                    {
+                        aChild = NodeFactory.Instance().createDefaultNode (xChild, aParent);
+                        maChildList.insertElementAt (aChild, nIndex);
+                    }
+                }
+            }
+        }
+        return aChild;
+    }
+
+
+    /** Update only the child count node.  Trust on other ways to update the
+        accessible children.
+    */
+    public void update (AccessibleTreeNode aNode)
+    {
+        synchronized (maChildList)
+        {
+            maChildList.setElementAt (null, 0);
+        }
+    }
+}