toolkit/test/accessibility/ov/TextView.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 javax.swing.JLabel;
  24
  25 import com.sun.star.accessibility.AccessibleEventId;
  26 import com.sun.star.accessibility.AccessibleEventObject;
  27 import com.sun.star.accessibility.XAccessibleText;
  28 import com.sun.star.accessibility.XAccessibleContext;
  29 import com.sun.star.uno.UnoRuntime;
  30
  31 public class TextView
  32     extends ListeningObjectView
  33 {
  34     /** Create a TextView when the given object supports the
  35         XAccessibleText interface.
  36     */
  37     public static ObjectView Create (
  38         ObjectViewContainer aContainer,
  39         XAccessibleContext xContext)
  40     {
  41         XAccessibleText xText = UnoRuntime.queryInterface(
  42                 XAccessibleText.class, xContext);
  43         if (xText != null)
  44             return new TextView (aContainer);
  45         else
  46             return null;
  47     }
  48
  49
  50     private TextView (ObjectViewContainer aContainer)
  51     {
  52         super (aContainer);
  53
  54         setLayout (new GridBagLayout());
  55         GridBagConstraints aConstraints = new GridBagConstraints ();
  56
  57         JLabel aLabel = new JLabel ("Text:");
  58         aConstraints.gridy = 0;
  59         aConstraints.weightx = 1;
  60         aConstraints.fill = GridBagConstraints.HORIZONTAL;
  61         add (aLabel, aConstraints);
  62
  63         maTextLabel = new JLabel ("");
  64         aConstraints.gridx = 1;
  65         aConstraints.fill = GridBagConstraints.NONE;
  66         aConstraints.anchor = GridBagConstraints.WEST;
  67         add (maTextLabel, aConstraints);
  68
  69         aLabel = new JLabel ("Caret position:");
  70         aConstraints.gridx = 0;
  71         aConstraints.gridy = 1;
  72         aConstraints.weightx = 1;
  73         aConstraints.fill = GridBagConstraints.HORIZONTAL;
  74         add (aLabel, aConstraints);
  75
  76         maCaretPositionLabel = new JLabel ("");
  77         aConstraints.gridx = 1;
  78         aConstraints.fill = GridBagConstraints.NONE;
  79         aConstraints.anchor = GridBagConstraints.WEST;
  80         add (maCaretPositionLabel, aConstraints);
  81     }
  82
  83
  84     /** Additionally to the context store a reference to the
  85         XAccessibleText interface.
  86     */
  87     @Override
  88     public void SetObject (XAccessibleContext xObject)
  89     {
  90         mxText = UnoRuntime.queryInterface(
  91             XAccessibleText.class, xObject);
  92         super.SetObject (xObject);
  93     }
  94
  95     @Override
  96     synchronized public void Update ()
  97     {
  98         if (mxText == null)
  99         {
 100             maTextLabel.setText ("<null object>");
 101             maCaretPositionLabel.setText ("<null object>");
 102         }
 103         else
 104         {
 105             maTextLabel.setText (mxText.getText());
 106             maCaretPositionLabel.setText (Integer.toString(mxText.getCaretPosition()));
 107         }
 108     }
 109
 110     @Override
 111     public String GetTitle ()
 112     {
 113         return "Text";
 114     }
 115
 116     @Override
 117     public void notifyEvent (AccessibleEventObject aEvent)
 118     {
 119         System.out.println (aEvent);
 120         switch (aEvent.EventId)
 121         {
 122             case AccessibleEventId.TEXT_CHANGED :
 123             case AccessibleEventId.CARET_CHANGED :
 124                 Update ();
 125                 break;
 126         }
 127     }
 128
 129     private final JLabel
 130         maTextLabel,
 131         maCaretPositionLabel;
 132     private XAccessibleText mxText;
 133 }