113 lines
3.9 KiB
Java
113 lines
3.9 KiB
Java
/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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import com.sun.star.uno.UnoRuntime;
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import com.sun.star.accessibility.XAccessible;
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import com.sun.star.accessibility.XAccessibleContext;
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import com.sun.star.accessibility.AccessibleRelation;
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import com.sun.star.accessibility.XAccessibleRelationSet;
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import com.sun.star.lang.IndexOutOfBoundsException;
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import tools.NameProvider;
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class AccessibleRelationHandler
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extends NodeHandler
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{
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public NodeHandler createHandler( XAccessibleContext xContext )
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{
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AccessibleRelationHandler aHandler = null;
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if (xContext != null)
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{
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XAccessibleRelationSet xRelation = xContext.getAccessibleRelationSet();
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if (xRelation != null)
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aHandler = new AccessibleRelationHandler(xContext);
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}
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return aHandler;
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}
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public AccessibleRelationHandler()
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{
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}
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public AccessibleRelationHandler( XAccessibleContext xContext )
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{
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XAccessibleRelationSet xRelation = xContext.getAccessibleRelationSet();
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if (xRelation != null)
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maChildList.setSize( 1 );
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}
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public AccessibleTreeNode createChild( AccessibleTreeNode aParent,
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int nIndex )
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{
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XAccessibleRelationSet xRelation = null;
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AccessibleTreeNode aChild = null;
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if( aParent instanceof AccTreeNode )
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{
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xRelation =
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((AccTreeNode)aParent).getContext().getAccessibleRelationSet();
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}
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if( xRelation == null )
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return aChild;
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VectorNode aVNode = new VectorNode( "RelationSet", aParent);
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int nCount = xRelation.getRelationCount();
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try
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{
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for( int i = 0; i < nCount; i++ )
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{
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AccessibleRelation aRelation = xRelation.getRelation( i );
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StringBuffer aBuffer = new StringBuffer();
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aBuffer.append (NameProvider.getRelationName (aRelation.RelationType));
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aBuffer.append( ": " );
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for( int j = 0; j < aRelation.TargetSet.length; j++ )
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{
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Object aTarget = aRelation.TargetSet[j];
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XAccessible xAccTarget =
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UnoRuntime.queryInterface(
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XAccessible.class, aTarget );
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if( xAccTarget == null )
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{
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aBuffer.append( aTarget.toString() );
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}
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else
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{
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aBuffer.append( xAccTarget.getAccessibleContext().
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getAccessibleName() );
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}
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aBuffer.append( ", " );
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}
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aBuffer.delete( aBuffer.length() - 2, aBuffer.length() );
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aVNode.addChild( new StringNode( aBuffer.toString(),
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aParent ) );
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}
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aChild = aVNode;
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}
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catch( IndexOutOfBoundsException e )
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{
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aChild = new StringNode( "IndexOutOfBounds", aParent );
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}
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return aChild;
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}
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}
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