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diff --git a/toolkit/test/accessibility/AccessibilityTreeModelBase.java b/toolkit/test/accessibility/AccessibilityTreeModelBase.java
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+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+import java.util.ArrayList;
+
+import javax.swing.event.TreeModelListener;
+import javax.swing.tree.TreeModel;
+import javax.swing.tree.TreePath;
+
+public class AccessibilityTreeModelBase
+ implements TreeModel
+{
+ public AccessibilityTreeModelBase ()
+ {
+ setRoot (null);
+ maTMListeners = new ArrayList<TreeModelListener>();
+ }
+
+ 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 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 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 ArrayList<TreeModelListener> maTMListeners;
+
+ // The root node of the tree. Use setRoot to change it.
+ private AccessibleTreeNode maRoot = null;
+}