INTEGRATION: CWS vcl07 (1.3.2); FILE ADDED

2003/04/08 14:28:25 obr 1.3.2.1: re-added accessibility workbench

toolkit/test/accessibility/AccessibilityTreeModelBase.java

+import javax.swing.tree.TreeModel;
+import javax.swing.event.TreeModelListener;
+import javax.swing.tree.TreePath;
+import javax.swing.event.TreeModelEvent;
+import java.util.Vector;
+
+public class AccessibilityTreeModelBase
+    implements TreeModel
+{
+    public AccessibilityTreeModelBase ()
+    {
+        setRoot (null);
+        maTMListeners = new Vector();
+    }
+
+    public synchronized void addTreeModelListener(TreeModelListener l)
+    {
+        maTMListeners.add(l);
+    }
+
+    public synchronized void removeTreeModelListener(TreeModelListener l)
+    {
+        maTMListeners.remove(l);
+    }
+
+    public synchronized int getChildCount(Object aParent)
+    {
+        return (aParent instanceof AccessibleTreeNode) ?
+            ((AccessibleTreeNode)aParent).getChildCount() : 0;
+    }
+
+    public synchronized Object getChild (Object aParent, int nIndex)
+    {
+        Object aChild = null;
+        try
+        {
+            if (aParent != null && aParent instanceof AccessibleTreeNode)
+                aChild = ((AccessibleTreeNode)aParent).getChild(nIndex);
+            else
+                System.out.println ("getChild called for unknown parent node");
+        }
+        catch (com.sun.star.lang.IndexOutOfBoundsException e)
+        {
+            aChild = ("no child " + nIndex + " from " + aParent + ": " + e);
+        }
+        return aChild;
+    }
+
+    public synchronized Object getChildNoCreate (Object aParent, int nIndex)
+    {
+        Object aChild = null;
+        try
+        {
+            if (aParent != null && aParent instanceof AccessibleTreeNode)
+                aChild = ((AccessibleTreeNode)aParent).getChildNoCreate(nIndex);
+            else
+                System.out.println ("getChild called for unknown parent node");
+        }
+        catch (com.sun.star.lang.IndexOutOfBoundsException e)
+        { }
+        return aChild;
+    }
+
+    /** iterate over all children and look for child */
+    public synchronized int getIndexOfChild (Object aParent, Object aChild)
+    {
+        int nIndex = -1;
+        try
+        {
+            if ((aParent instanceof AccessibleTreeNode) && (aChild instanceof AccessibleTreeNode))
+            {
+                AccessibleTreeNode aParentNode = (AccessibleTreeNode) aParent;
+                AccessibleTreeNode aChildNode = (AccessibleTreeNode) aChild;
+
+                int nChildCount = aParentNode.getChildCount();
+                for( int i = 0; i < nChildCount; i++ )
+                {
+                    if (aChildNode.equals (aParentNode.getChild (i)))
+                    {
+                        nIndex = i;
+                        break;
+                    }
+                }
+            }
+        }
+        catch (com.sun.star.lang.IndexOutOfBoundsException e)
+        {
+            // Return -1 by falling through.
+        }
+
+        // not found?
+        return nIndex;
+    }
+
+    public boolean isLeaf (Object aNode)
+    {
+        return (aNode instanceof AccessibleTreeNode) ?
+            ((AccessibleTreeNode)aNode).isLeaf() : true;
+    }
+
+
+
+    public synchronized Object getRoot()
+    {
+        return maRoot;
+    }
+
+    public void valueForPathChanged(TreePath path, Object newValue)
+    { }
+
+    protected synchronized void setRoot (AccessibleTreeNode aRoot)
+    {
+        maRoot = aRoot;
+    }
+
+
+    // The list of TreeModelListener objects.
+    protected Vector maTMListeners;
+
+    // The root node of the tree.  Use setRoot to change it.
+    private AccessibleTreeNode maRoot = null;
+}