toolkit/test/accessibility/ov/ContextView.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.Color;
  22 import java.awt.GridBagLayout;
  23 import java.awt.GridBagConstraints;
  24
  25 import java.awt.event.ActionListener;
  26 import java.awt.event.ActionEvent;
  27
  28 import javax.swing.JLabel;
  29 import com.sun.star.accessibility.AccessibleEventId;
  30 import com.sun.star.accessibility.AccessibleEventObject;
  31 import com.sun.star.accessibility.XAccessibleContext;
  32
  33 import tools.NameProvider;
  34
  35 public class ContextView
  36     extends ListeningObjectView
  37     implements ActionListener
  38 {
  39     public static ObjectView Create (
  40         ObjectViewContainer aContainer,
  41         XAccessibleContext xContext)
  42     {
  43         System.out.println ("ContextView.CreateView");
  44         if (xContext != null)
  45             return new ContextView (aContainer);
  46         else
  47             return null;
  48     }
  49
  50     private ContextView (ObjectViewContainer aContainer)
  51     {
  52         super (aContainer);
  53         JLabel aNameLabel = new JLabel ("Name: ");
  54         maName = new JLabel ("");
  55         JLabel aDescriptionLabel = new JLabel ("Description: ");
  56         maDescription = new JLabel ("");
  57         JLabel maRoleLabel = new JLabel ("Role: ");
  58         maRole = new JLabel ("");
  59
  60         // Make the background of name and description white and opaque so
  61         // that leading and trailing spaces become visible.
  62         maName.setOpaque (true);
  63         maName.setBackground (Color.WHITE);
  64         maDescription.setOpaque (true);
  65         maDescription.setBackground (Color.WHITE);
  66         maRole.setOpaque (true);
  67         maRole.setBackground (Color.WHITE);
  68
  69         GridBagLayout aLayout = new GridBagLayout();
  70         setLayout (aLayout);
  71         GridBagConstraints constraints = new GridBagConstraints ();
  72         constraints.gridx = 0;
  73         constraints.gridy = 0;
  74         constraints.gridwidth = 1;
  75         constraints.gridheight = 1;
  76         constraints.weightx = 0;
  77         constraints.weighty = 1;
  78         constraints.anchor = GridBagConstraints.WEST;
  79         constraints.fill = GridBagConstraints.NONE;
  80         add (aNameLabel, constraints);
  81         constraints.gridy = 1;
  82         add (aDescriptionLabel, constraints);
  83         constraints.gridy = 2;
  84         add (maRoleLabel, constraints);
  85         constraints.gridy = 0;
  86         constraints.gridx = 1;
  87         constraints.weightx = 2;
  88         add (maName, constraints);
  89         constraints.gridy = 1;
  90         add (maDescription, constraints);
  91         constraints.gridy = 2;
  92         add (maRole, constraints);
  93     }
  94
  95     @Override
  96     public void Update ()
  97     {
  98         if (mxContext == null)
  99         {
 100             maName.setText ("<null object>");
 101             maDescription.setText ("<null object>");
 102             maRole.setText ("<null object>");
 103         }
 104         else
 105         {
 106             maName.setText (mxContext.getAccessibleName());
 107             maDescription.setText (mxContext.getAccessibleDescription());
 108             maRole.setText (NameProvider.getRoleName (mxContext.getAccessibleRole()));
 109         }
 110     }
 111
 112     @Override
 113     public String GetTitle ()
 114     {
 115         return "Context";
 116     }
 117
 118     /** Listen for changes regarding displayed values.
 119     */
 120     @Override
 121     public void notifyEvent (AccessibleEventObject aEvent)
 122     {
 123         switch (aEvent.EventId)
 124         {
 125             case AccessibleEventId.NAME_CHANGED :
 126             case AccessibleEventId.DESCRIPTION_CHANGED :
 127                 Update ();
 128         }
 129     }
 130
 131     public void actionPerformed (ActionEvent aEvent)
 132     {
 133     }
 134
 135
 136     private final JLabel
 137         maName,
 138         maDescription,
 139         maRole;
 140 }