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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
package ov;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JButton;
import javax.swing.JLabel;
import com.sun.star.accessibility.AccessibleEventId;
import com.sun.star.accessibility.AccessibleEventObject;
import com.sun.star.accessibility.AccessibleStateType;
import com.sun.star.accessibility.XAccessibleComponent;
import com.sun.star.accessibility.XAccessibleContext;
import com.sun.star.accessibility.XAccessibleStateSet;
import com.sun.star.uno.UnoRuntime;
public class FocusView
extends ListeningObjectView
implements ActionListener
{
/** Create a FocusView when the given object supports the
XAccessibleComponent interface.
*/
public static ObjectView Create (
ObjectViewContainer aContainer,
XAccessibleContext xContext)
{
XAccessibleComponent xComponent = UnoRuntime.queryInterface(
XAccessibleComponent.class, xContext);
if (xComponent != null)
return new FocusView (aContainer);
else
return null;
}
private FocusView (ObjectViewContainer aContainer)
{
super (aContainer);
setLayout (new GridBagLayout());
GridBagConstraints aConstraints = new GridBagConstraints ();
maFocused = new JLabel ();
aConstraints.gridy = 0;
aConstraints.weightx = 1;
aConstraints.fill = GridBagConstraints.HORIZONTAL;
add (maFocused, aConstraints);
maGrabFocus = new JButton ("grabFocus");
aConstraints.gridy = 1;
aConstraints.fill = GridBagConstraints.NONE;
aConstraints.anchor = GridBagConstraints.WEST;
add (maGrabFocus, aConstraints);
maGrabFocus.addActionListener (this);
}
/** Additionally to the context store a reference to the
XAccessibleComponent interface.
*/
@Override
public void SetObject (XAccessibleContext xObject)
{
mxComponent = UnoRuntime.queryInterface(
XAccessibleComponent.class, xObject);
super.SetObject (xObject);
}
@Override
synchronized public void Destroy ()
{
super.Destroy();
maGrabFocus.removeActionListener (this);
}
@Override
synchronized public void Update ()
{
if (mxContext == null)
{
maFocused.setText ("<null object>");
maGrabFocus.setEnabled (false);
}
else
{
XAccessibleStateSet aStateSet = mxContext.getAccessibleStateSet();
if (aStateSet.contains(AccessibleStateType.FOCUSED))
maFocused.setText ("focused");
else
maFocused.setText ("not focused");
if (maGrabFocus != null)
maGrabFocus.setEnabled (true);
}
}
@Override
public String GetTitle ()
{
return ("Focus");
}
synchronized public void actionPerformed (ActionEvent aEvent)
{
if (aEvent.getActionCommand().equals("grabFocus"))
{
mxComponent.grabFocus();
}
}
@Override
public void notifyEvent (AccessibleEventObject aEvent)
{
System.out.println (aEvent);
if (aEvent.EventId == AccessibleEventId.STATE_CHANGED)
Update ();
}
private final JLabel maFocused;
private final JButton maGrabFocus;
private XAccessibleComponent mxComponent;
}
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