toolkit/test/accessibility/ov/FocusView.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18
  19 package ov;
  20
  21 import java.awt.GridBagConstraints;
  22 import java.awt.GridBagLayout;
  23 import java.awt.event.ActionListener;
  24 import java.awt.event.ActionEvent;
  25
  26 import javax.swing.JButton;
  27 import javax.swing.JLabel;
  28
  29 import com.sun.star.accessibility.AccessibleEventId;
  30 import com.sun.star.accessibility.AccessibleEventObject;
  31 import com.sun.star.accessibility.AccessibleStateType;
  32 import com.sun.star.accessibility.XAccessibleComponent;
  33 import com.sun.star.accessibility.XAccessibleContext;
  34 import com.sun.star.accessibility.XAccessibleStateSet;
  35 import com.sun.star.uno.UnoRuntime;
  36
  37 public class FocusView
  38     extends ListeningObjectView
  39     implements ActionListener
  40 {
  41     /** Create a FocusView when the given object supports the
  42         XAccessibleComponent interface.
  43     */
  44     public static ObjectView Create (
  45         ObjectViewContainer aContainer,
  46         XAccessibleContext xContext)
  47     {
  48         XAccessibleComponent xComponent = UnoRuntime.queryInterface(
  49                 XAccessibleComponent.class, xContext);
  50         if (xComponent != null)
  51             return new FocusView (aContainer);
  52         else
  53             return null;
  54     }
  55
  56     private FocusView (ObjectViewContainer aContainer)
  57     {
  58         super (aContainer);
  59
  60         setLayout (new GridBagLayout());
  61         GridBagConstraints aConstraints = new GridBagConstraints ();
  62
  63         maFocused = new JLabel ();
  64         aConstraints.gridy = 0;
  65         aConstraints.weightx = 1;
  66         aConstraints.fill = GridBagConstraints.HORIZONTAL;
  67         add (maFocused, aConstraints);
  68
  69         maGrabFocus = new JButton ("grabFocus");
  70         aConstraints.gridy = 1;
  71         aConstraints.fill = GridBagConstraints.NONE;
  72         aConstraints.anchor = GridBagConstraints.WEST;
  73         add (maGrabFocus, aConstraints);
  74
  75         maGrabFocus.addActionListener (this);
  76     }
  77
  78     /** Additionally to the context store a reference to the
  79         XAccessibleComponent interface.
  80     */
  81     @Override
  82     public void SetObject (XAccessibleContext xObject)
  83     {
  84         mxComponent = UnoRuntime.queryInterface(
  85                 XAccessibleComponent.class, xObject);
  86         super.SetObject (xObject);
  87     }
  88
  89     @Override
  90     synchronized public void Destroy ()
  91     {
  92         super.Destroy();
  93         maGrabFocus.removeActionListener (this);
  94     }
  95
  96     @Override
  97     synchronized public void Update ()
  98     {
  99         if (mxContext == null)
 100         {
 101             maFocused.setText ("<null object>");
 102             maGrabFocus.setEnabled (false);
 103         }
 104         else
 105         {
 106             XAccessibleStateSet aStateSet = mxContext.getAccessibleStateSet();
 107             if (aStateSet.contains(AccessibleStateType.FOCUSED))
 108                 maFocused.setText ("focused");
 109             else
 110                 maFocused.setText ("not focused");
 111             if (maGrabFocus != null)
 112                 maGrabFocus.setEnabled (true);
 113         }
 114     }
 115
 116     @Override
 117     public String GetTitle ()
 118     {
 119         return "Focus";
 120     }
 121
 122     synchronized public void actionPerformed (ActionEvent aEvent)
 123     {
 124         if (aEvent.getActionCommand().equals("grabFocus"))
 125         {
 126             mxComponent.grabFocus();
 127         }
 128     }
 129
 130     @Override
 131     public void notifyEvent (AccessibleEventObject aEvent)
 132     {
 133         System.out.println (aEvent);
 134         if (aEvent.EventId == AccessibleEventId.STATE_CHANGED)
 135             Update ();
 136     }
 137
 138     private final JLabel maFocused;
 139     private final JButton maGrabFocus;
 140     private XAccessibleComponent mxComponent;
 141 }