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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: DescendantManager.java,v $
* $Revision: 1.8 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package org.openoffice.java.accessibility;
import com.sun.star.accessibility.*;
import com.sun.star.uno.AnyConverter;
import com.sun.star.uno.UnoRuntime;
import javax.accessibility.AccessibleState;
public abstract class DescendantManager extends Component {
protected XAccessibleSelection unoAccessibleSelection = null;
protected javax.accessibility.Accessible activeDescendant = null;
protected boolean multiselectable = false;
protected DescendantManager(XAccessible xAccessible,
XAccessibleContext xAccessibleContext) {
super(xAccessible, xAccessibleContext);
}
protected DescendantManager(XAccessible xAccessible,
XAccessibleContext xAccessibleContext, boolean multiselectable) {
super(xAccessible, xAccessibleContext);
this.multiselectable = multiselectable;
}
/**
* Update the proxy objects appropriatly on property change events
*/
protected class AccessibleDescendantManagerListener
extends AccessibleUNOComponentListener {
protected AccessibleDescendantManagerListener() {
unoAccessibleSelection = (XAccessibleSelection) UnoRuntime.queryInterface(XAccessibleSelection.class,
unoAccessibleContext);
}
/** Called by OpenOffice process to notify property changes */
public void notifyEvent(AccessibleEventObject event) {
switch (event.EventId) {
case AccessibleEventId.SELECTION_CHANGED:
firePropertyChange(javax.accessibility.AccessibleContext.ACCESSIBLE_SELECTION_PROPERTY,
null, null);
break;
default:
super.notifyEvent(event);
}
}
}
protected abstract class AccessibleDescendantManager
extends AccessibleUNOComponent
implements javax.accessibility.AccessibleSelection {
protected AccessibleDescendantManager() {
unoAccessibleSelection = (XAccessibleSelection) UnoRuntime.queryInterface(XAccessibleSelection.class,
unoAccessibleContext);
}
/*
* AccessibleContext
*/
/** Returns the number of accessible children of the object */
public int getAccessibleChildrenCount() {
try {
return unoAccessibleContext.getAccessibleChildCount();
} catch (com.sun.star.uno.RuntimeException e) {
return 0;
}
}
/** Returns the AccessibleSelection interface for this object */
public javax.accessibility.AccessibleSelection getAccessibleSelection() {
return (unoAccessibleSelection != null) ? this : null;
}
/*
* AccessibleSelection
*/
/** Adds the specified Accessible child of the object to the object's selection */
public void addAccessibleSelection(int i) {
try {
unoAccessibleSelection.selectAccessibleChild(i);
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
} catch (com.sun.star.uno.RuntimeException e) {
}
}
/** Clears the selection in the object, so that no children in the object are selected */
public void clearAccessibleSelection() {
try {
unoAccessibleSelection.clearAccessibleSelection();
} catch (com.sun.star.uno.RuntimeException e) {
}
}
/** Returns the number of Accessible children currently selected */
public int getAccessibleSelectionCount() {
try {
return unoAccessibleSelection.getSelectedAccessibleChildCount();
} catch (com.sun.star.uno.RuntimeException e) {
return 0;
}
}
/** Determines if the current child of this object is selected */
public boolean isAccessibleChildSelected(int i) {
try {
return unoAccessibleSelection.isAccessibleChildSelected(i);
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
return false;
} catch (com.sun.star.uno.RuntimeException e) {
return false;
}
}
/** Removes the specified child of the object from the object's selection */
public void removeAccessibleSelection(int i) {
try {
unoAccessibleSelection.deselectAccessibleChild(i);
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
} catch (com.sun.star.uno.RuntimeException e) {
}
}
/** Causes every child of the object to be selected if the object supports multiple selection */
public void selectAllAccessibleSelection() {
try {
unoAccessibleSelection.selectAllAccessibleChildren();
} catch (com.sun.star.uno.RuntimeException e) {
}
}
}
}
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