diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /toolkit/test/accessibility/NodeHandler.java | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'toolkit/test/accessibility/NodeHandler.java')
-rw-r--r-- | toolkit/test/accessibility/NodeHandler.java | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/toolkit/test/accessibility/NodeHandler.java b/toolkit/test/accessibility/NodeHandler.java new file mode 100644 index 000000000..69cff2c13 --- /dev/null +++ b/toolkit/test/accessibility/NodeHandler.java @@ -0,0 +1,133 @@ +/* + * 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.Vector; + + +/** + * Map an arbitrary object into parts of a tree node. + */ +abstract class NodeHandler +{ + /** This vector is used as cache for the child objects. + */ + protected Vector<AccessibleTreeNode> maChildList; + + + public abstract NodeHandler createHandler ( + com.sun.star.accessibility.XAccessibleContext xContext); + + public NodeHandler () + { + maChildList = new Vector<AccessibleTreeNode> (); + } + + /** return the number of children this object has */ + public int getChildCount() + { + synchronized (maChildList) + { + return maChildList.size(); + } + } + + /** + * return a child object. Complex + * children have to be AccTreeNode instances. + * @see AccTreeNode + */ + public AccessibleTreeNode getChild (AccessibleTreeNode aParent, int nIndex) + { + synchronized (maChildList) + { + AccessibleTreeNode aChild = maChildList.get(nIndex); + if (aChild == null) + { + aChild = createChild (aParent, nIndex); + if (aChild == null) + aChild = new StringNode ("could not create child", aParent); + maChildList.set (nIndex, aChild); + } + return aChild; + } + } + + public AccessibleTreeNode getChildNoCreate (int nIndex) + { + synchronized (maChildList) + { + return maChildList.get(nIndex); + } + } + + /** Remove the specified child from the list of children. + */ + public boolean removeChild (int nIndex) + { + try + { + synchronized (maChildList) + { + System.out.println (" removing child at position " + nIndex + ": " + + maChildList.get (nIndex)); + maChildList.remove (nIndex); + } + } + catch (Exception e) + { + return false; + } + return true; + } + + public int indexOf (AccessibleTreeNode aNode) + { + synchronized (maChildList) + { + return maChildList.indexOf (aNode); + } + } + + /** Create a child object for the specified data. This method is called + usually from getChild and put there into the cache. + */ + public abstract AccessibleTreeNode createChild ( + AccessibleTreeNode aParent, int nIndex); + + + // The following methods support editing of children and actions. + // They have default implementations for no actions and read-only. + + + /** get names of supported actions */ + public String[] getActions (AccessibleTreeNode aNode) + { + return new String[] {}; + } + + /** perform action */ + public void performAction (AccessibleTreeNode aNode, int nIndex) + { + } + + /** Update all children. + */ + public void update (AccessibleTreeNode aNode) + { + } +} |