95 lines
3 KiB
Java
95 lines
3 KiB
Java
/*
|
|
* 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 javax.swing.JPanel;
|
|
|
|
import com.sun.star.accessibility.XAccessibleContext;
|
|
|
|
/** This is the base class for all object views that can be placed inside an
|
|
object view container.
|
|
|
|
<p>When provided with a new accessible object the container will call
|
|
the Create method to create a new instance when certain conditions are
|
|
met. It then calls SetObject to pass the object to the instance.
|
|
Finally it calls Update.</p>
|
|
|
|
<p>The SetObject and Update methods may be called for a new object
|
|
without calling Create first. In this way an existing instance is
|
|
recycled.</p>
|
|
*/
|
|
abstract public class ObjectView
|
|
extends JPanel
|
|
{
|
|
/** This factory method creates a new instance of the (derived) class
|
|
when the given accessible object supports all necessary features.
|
|
In the ususal case this will be the support of a specific
|
|
accessibility interface.
|
|
*/
|
|
static public ObjectView Create (
|
|
ObjectViewContainer aContainer,
|
|
XAccessibleContext xContext)
|
|
{
|
|
return null;
|
|
}
|
|
|
|
public ObjectView (ObjectViewContainer aContainer)
|
|
{
|
|
maContainer = aContainer;
|
|
mxContext = null;
|
|
}
|
|
|
|
/** Call this when you want the object to be destroyed. Release all
|
|
resources when called.
|
|
*/
|
|
public void Destroy ()
|
|
{
|
|
}
|
|
|
|
/** Tell the view to display information for a new accessible object.
|
|
@param xObject
|
|
The given object may be null. A typical behaviour in this case
|
|
would be to display a blank area. But is also possible to show
|
|
information about the last object.
|
|
*/
|
|
public void SetObject (XAccessibleContext xContext)
|
|
{
|
|
mxContext = xContext;
|
|
Update ();
|
|
}
|
|
|
|
|
|
/** This is a request of a repaint with the current state of the current
|
|
object. The current object may or may not be the same as the one
|
|
when Update() was called the last time.
|
|
*/
|
|
public void Update ()
|
|
{
|
|
}
|
|
|
|
|
|
/** Return a string that is used as a title of an enclosing frame.
|
|
*/
|
|
abstract public String GetTitle ();
|
|
|
|
/// Reference to the current object to display information about.
|
|
protected XAccessibleContext mxContext;
|
|
|
|
protected ObjectViewContainer maContainer;
|
|
}
|