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/*************************************************************************
*
* $RCSfile: DynamicAccessibilityModel.java,v $
*
* $Revision: 1.1 $
*
* last change: $Author: obr $ $Date: 2003/09/19 09:21:39 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
package org.openoffice.accessibility.awb.tree;
import javax.swing.tree.TreeNode;
import javax.swing.tree.MutableTreeNode;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.event.TreeExpansionListener;
import javax.swing.event.TreeWillExpandListener;
import com.sun.star.accessibility.AccessibleRole;
import com.sun.star.accessibility.XAccessible;
import com.sun.star.accessibility.XAccessibleContext;
/**
*
*/
public class DynamicAccessibilityModel extends AccessibilityModel implements TreeExpansionListener, TreeWillExpandListener {
/* Creates a AccessibilityNode object for a window */
protected AccessibilityNode createWindowNode(XAccessible xAccessible,
XAccessibleContext xAccessibleContext) {
if (xAccessible != null) {
// Some objects inherit XAccessible, but should not appear in
// the hierarchy as toplevels (like sub-menus), so they don't
// return an accessible context.
if (xAccessibleContext != null) {
AccessibilityNode node = new AccessibilityNode(this);
node.setUserObject(xAccessible);
node.setAccessibleContext(xAccessibleContext);
putNode(xAccessible, node);
return node;
}
}
return null;
}
/* Creates a DynamicAccessibilityNode object */
protected AccessibilityNode createNode(XAccessible xAccessible) {
if (xAccessible != null) {
try {
// Some objects inherit XAccessible, but should not appear in
// the hierarchy as toplevels (like sub-menus), so they don't
// return an accessible context.
XAccessibleContext xAccessibleContext = xAccessible.getAccessibleContext();
if (xAccessibleContext != null) {
AccessibilityNode node = new DynamicAccessibilityNode(this);
node.setUserObject(xAccessible);
node.setAccessibleContext(xAccessibleContext);
putNode(xAccessible, node);
return node;
}
} catch (com.sun.star.uno.RuntimeException e) {
}
}
return null;
}
public void treeCollapsed(javax.swing.event.TreeExpansionEvent treeExpansionEvent) {
TreeNode node = (TreeNode) treeExpansionEvent.getPath().getLastPathComponent();
if (node instanceof DynamicAccessibilityNode) {
DynamicAccessibilityNode dynode = (DynamicAccessibilityNode) node;
dynode.clear();
}
}
public void treeExpanded(javax.swing.event.TreeExpansionEvent treeExpansionEvent) {
TreeNode node = (TreeNode) treeExpansionEvent.getPath().getLastPathComponent();
if (node instanceof AccessibilityNode) {
// Calling oneway methods from an UNO thread may cause
// deadlocks, so adding the listeners here.
for (java.util.Enumeration e = node.children(); e.hasMoreElements(); ) {
((AccessibilityNode) e.nextElement()).setAttached(true);
}
}
}
public void treeWillCollapse(javax.swing.event.TreeExpansionEvent treeExpansionEvent)
throws javax.swing.tree.ExpandVetoException {
TreeNode node = (TreeNode) treeExpansionEvent.getPath().getLastPathComponent();
if (node instanceof AccessibilityNode) {
// Calling oneway methods from an UNO thread may cause
// deadlocks, so adding the listeners here.
for (java.util.Enumeration e = node.children(); e.hasMoreElements(); ) {
((AccessibilityNode) e.nextElement()).setAttached(false);
}
}
}
public void treeWillExpand(javax.swing.event.TreeExpansionEvent treeExpansionEvent)
throws javax.swing.tree.ExpandVetoException {
TreeNode node = (TreeNode) treeExpansionEvent.getPath().getLastPathComponent();
if (node instanceof DynamicAccessibilityNode) {
DynamicAccessibilityNode dynode = (DynamicAccessibilityNode) node;
dynode.populate();
}
}
}
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