| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| import com.sun.star.accessibility.XAccessible; |
| import com.sun.star.accessibility.AccessibleEventObject; |
| import com.sun.star.uno.UnoRuntime; |
| |
| import java.io.PrintStream; |
| import java.util.LinkedList; |
| |
| class GeometryEventHandler |
| extends EventHandler |
| { |
| public GeometryEventHandler (AccessibleEventObject aEvent, AccessibilityTreeModel aTreeModel) |
| { |
| super (aEvent, aTreeModel); |
| } |
| |
| public void PrintOldAndNew (PrintStream out) |
| { |
| out.println (" children not relevant"); |
| } |
| |
| public void Process () |
| { |
| AccTreeNode aNode = maTreeModel.updateNode (mxEventSource, |
| AccessibleComponentHandler.class, |
| AccessibleExtendedComponentHandler.class); |
| |
| // Update the graphical representation of aNode in the Canvas. |
| Canvas aCanvas = maTreeModel.getCanvas(); |
| if (aCanvas != null) |
| { |
| // Iterate over all nodes in the sub-tree rooted in aNode. |
| LinkedList aShapeQueue = new LinkedList(); |
| aShapeQueue.addLast (aNode); |
| while (aShapeQueue.size() > 0) |
| { |
| // Remove the first node from the queue and update its |
| // graphical representation. |
| AccTreeNode aShapeNode = (AccTreeNode) aShapeQueue.getFirst(); |
| aShapeQueue.removeFirst(); |
| aCanvas.updateNodeGeometry (aShapeNode); |
| |
| // Add the node's children to the queue. |
| int nChildCount = maTreeModel.getChildCount (aShapeNode); |
| for (int i=0; i<nChildCount; i++) |
| { |
| Object aTreeNode = maTreeModel.getChildNoCreate (aShapeNode, i); |
| if (aTreeNode instanceof AccTreeNode) |
| aShapeQueue.addLast (aTreeNode); |
| } |
| } |
| aCanvas.repaint (); |
| } |
| } |
| } |