1*1b0aaa91SAndrew Rist /************************************************************** 2*1b0aaa91SAndrew Rist * 3*1b0aaa91SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*1b0aaa91SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*1b0aaa91SAndrew Rist * distributed with this work for additional information 6*1b0aaa91SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*1b0aaa91SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*1b0aaa91SAndrew Rist * "License"); you may not use this file except in compliance 9*1b0aaa91SAndrew Rist * with the License. You may obtain a copy of the License at 10*1b0aaa91SAndrew Rist * 11*1b0aaa91SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*1b0aaa91SAndrew Rist * 13*1b0aaa91SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*1b0aaa91SAndrew Rist * software distributed under the License is distributed on an 15*1b0aaa91SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*1b0aaa91SAndrew Rist * KIND, either express or implied. See the License for the 17*1b0aaa91SAndrew Rist * specific language governing permissions and limitations 18*1b0aaa91SAndrew Rist * under the License. 19*1b0aaa91SAndrew Rist * 20*1b0aaa91SAndrew Rist *************************************************************/ 21*1b0aaa91SAndrew Rist 22cdf0e10cSrcweir import com.sun.star.accessibility.XAccessibleContext; 23cdf0e10cSrcweir 24cdf0e10cSrcweir import java.util.HashMap; 25cdf0e10cSrcweir 26cdf0e10cSrcweir abstract class NodeMapCallback 27cdf0e10cSrcweir { Apply(AccTreeNode aNode)28cdf0e10cSrcweir public abstract void Apply (AccTreeNode aNode); 29cdf0e10cSrcweir } 30cdf0e10cSrcweir 31cdf0e10cSrcweir /** This map translates from XAccessible objects to our internal 32cdf0e10cSrcweir representations. 33cdf0e10cSrcweir */ 34cdf0e10cSrcweir class NodeMap 35cdf0e10cSrcweir { NodeMap()36cdf0e10cSrcweir public NodeMap () 37cdf0e10cSrcweir { 38cdf0e10cSrcweir maXAccessibleToNode = new HashMap (); 39cdf0e10cSrcweir } 40cdf0e10cSrcweir 41cdf0e10cSrcweir /** Clear the whole map. 42cdf0e10cSrcweir */ Clear()43cdf0e10cSrcweir public void Clear () 44cdf0e10cSrcweir { 45cdf0e10cSrcweir maXAccessibleToNode.clear(); 46cdf0e10cSrcweir } 47cdf0e10cSrcweir 48cdf0e10cSrcweir /** @return 49cdf0e10cSrcweir whether the new node was different from a previous one 50cdf0e10cSrcweir repspectively was the first one set. 51cdf0e10cSrcweir */ InsertNode(XAccessibleContext xContext, AccessibleTreeNode aNode)52cdf0e10cSrcweir public boolean InsertNode (XAccessibleContext xContext, AccessibleTreeNode aNode) 53cdf0e10cSrcweir { 54cdf0e10cSrcweir AccessibleTreeNode aPreviousNode = (AccessibleTreeNode)maXAccessibleToNode.put ( 55cdf0e10cSrcweir xContext, 56cdf0e10cSrcweir aNode); 57cdf0e10cSrcweir return aPreviousNode != aNode; 58cdf0e10cSrcweir } 59cdf0e10cSrcweir RemoveNode(AccessibleTreeNode aNode)60cdf0e10cSrcweir protected void RemoveNode (AccessibleTreeNode aNode) 61cdf0e10cSrcweir { 62cdf0e10cSrcweir try 63cdf0e10cSrcweir { 64cdf0e10cSrcweir if ((aNode != null) && (aNode instanceof AccTreeNode)) 65cdf0e10cSrcweir { 66cdf0e10cSrcweir maXAccessibleToNode.remove (((AccTreeNode)aNode).getContext()); 67cdf0e10cSrcweir } 68cdf0e10cSrcweir } 69cdf0e10cSrcweir catch (Exception e) 70cdf0e10cSrcweir { 71cdf0e10cSrcweir System.out.println ("caught exception while removing node " 72cdf0e10cSrcweir + aNode + " : " + e); 73cdf0e10cSrcweir e.printStackTrace(); 74cdf0e10cSrcweir } 75cdf0e10cSrcweir } 76cdf0e10cSrcweir 77cdf0e10cSrcweir ForEach(NodeMapCallback aFunctor)78cdf0e10cSrcweir public void ForEach (NodeMapCallback aFunctor) 79cdf0e10cSrcweir { 80cdf0e10cSrcweir Object[] aNodes = maXAccessibleToNode.values().toArray(); 81cdf0e10cSrcweir for (int i=0; i<aNodes.length; i++) 82cdf0e10cSrcweir { 83cdf0e10cSrcweir if (aNodes[i] != null && (aNodes[i] instanceof AccTreeNode)) 84cdf0e10cSrcweir { 85cdf0e10cSrcweir try 86cdf0e10cSrcweir { 87cdf0e10cSrcweir aFunctor.Apply ((AccTreeNode)aNodes[i]); 88cdf0e10cSrcweir } 89cdf0e10cSrcweir catch (Exception e) 90cdf0e10cSrcweir { 91cdf0e10cSrcweir System.out.println ("caught exception applying functor to " 92cdf0e10cSrcweir + i + "th node " + aNodes[i] + " : " + e); 93cdf0e10cSrcweir e.printStackTrace(); 94cdf0e10cSrcweir } 95cdf0e10cSrcweir } 96cdf0e10cSrcweir } 97cdf0e10cSrcweir } 98cdf0e10cSrcweir GetNode(XAccessibleContext xContext)99cdf0e10cSrcweir AccessibleTreeNode GetNode (XAccessibleContext xContext) 100cdf0e10cSrcweir { 101cdf0e10cSrcweir return (AccessibleTreeNode)maXAccessibleToNode.get (xContext); 102cdf0e10cSrcweir } 103cdf0e10cSrcweir GetNode(Object aObject)104cdf0e10cSrcweir AccessibleTreeNode GetNode (Object aObject) 105cdf0e10cSrcweir { 106cdf0e10cSrcweir if (aObject instanceof XAccessibleContext) 107cdf0e10cSrcweir return GetNode ((XAccessibleContext)aObject); 108cdf0e10cSrcweir else 109cdf0e10cSrcweir return null; 110cdf0e10cSrcweir } 111cdf0e10cSrcweir GetAccessible(AccessibleTreeNode aNode)112cdf0e10cSrcweir XAccessibleContext GetAccessible (AccessibleTreeNode aNode) 113cdf0e10cSrcweir { 114cdf0e10cSrcweir if ((aNode != null) && (aNode instanceof AccTreeNode)) 115cdf0e10cSrcweir return ((AccTreeNode)aNode).getContext(); 116cdf0e10cSrcweir else 117cdf0e10cSrcweir return null; 118cdf0e10cSrcweir } 119cdf0e10cSrcweir IsMember(XAccessibleContext xContext)120cdf0e10cSrcweir boolean IsMember (XAccessibleContext xContext) 121cdf0e10cSrcweir { 122cdf0e10cSrcweir return maXAccessibleToNode.containsKey(xContext); 123cdf0e10cSrcweir } 124cdf0e10cSrcweir ValueIsMember(AccessibleTreeNode aNode)125cdf0e10cSrcweir boolean ValueIsMember (AccessibleTreeNode aNode) 126cdf0e10cSrcweir { 127cdf0e10cSrcweir return maXAccessibleToNode.containsValue(aNode); 128cdf0e10cSrcweir } 129cdf0e10cSrcweir 130cdf0e10cSrcweir 131cdf0e10cSrcweir 132cdf0e10cSrcweir private HashMap maXAccessibleToNode; 133cdf0e10cSrcweir } 134