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/*
* 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
{
public ObjectView (ObjectViewContainer 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 xContext
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;
}
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