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     static public 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     public 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     public void SetObject (XAccessibleContext xObject)
  82     {
  83         mxComponent = UnoRuntime.queryInterface(
  84                 XAccessibleComponent.class, xObject);
  85         super.SetObject (xObject);
  86     }
  87
  88     synchronized public void Destroy ()
  89     {
  90         super.Destroy();
  91         maGrabFocus.removeActionListener (this);
  92     }
  93
  94     synchronized public void Update ()
  95     {
  96         if (mxContext == null)
  97         {
  98             maFocused.setText ("<null object>");
  99             maGrabFocus.setEnabled (false);
 100         }
 101         else
 102         {
 103             XAccessibleStateSet aStateSet = mxContext.getAccessibleStateSet();
 104             if (aStateSet.contains(AccessibleStateType.FOCUSED))
 105                 maFocused.setText ("focused");
 106             else
 107                 maFocused.setText ("not focused");
 108             if (maGrabFocus != null)
 109                 maGrabFocus.setEnabled (true);
 110         }
 111     }
 112
 113     public String GetTitle ()
 114     {
 115         return ("Focus");
 116     }
 117
 118     synchronized public void actionPerformed (ActionEvent aEvent)
 119     {
 120         if (aEvent.getActionCommand().equals("grabFocus"))
 121         {
 122             mxComponent.grabFocus();
 123         }
 124     }
 125
 126     public void notifyEvent (AccessibleEventObject aEvent)
 127     {
 128         System.out.println (aEvent);
 129         if (aEvent.EventId == AccessibleEventId.STATE_CHANGED)
 130             Update ();
 131     }
 132
 133     private JLabel maFocused;
 134     private JButton maGrabFocus;
 135     private XAccessibleComponent mxComponent;
 136 }