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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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 .
*/
#ifndef __com_sun_star_awt_tree_XTreeExpansionListener_idl__
#define __com_sun_star_awt_tree_XTreeExpansionListener_idl__
#include <com/sun/star/lang/XEventListener.idl>
#include <com/sun/star/awt/tree/TreeExpansionEvent.idl>
#include <com/sun/star/awt/tree/ExpandVetoException.idl>
module com { module sun { module star { module awt { module tree {
/** An instance of this interface can get notifications from a TreeControl
when nodes are expanded or collapsed.
@see XTreeControl::addTreeExpansionListener
@see XTreeControl::removeTreeExpansionListener
*/
interface XTreeExpansionListener: com::sun::star::lang::XEventListener
{
/** Invoked when a node with children on demand is about to be expanded.
<p>This event is invoked before the <method>treeExpanding()</method>
event.</p>
*/
void requestChildNodes( [in] TreeExpansionEvent Event );
/** Invoked whenever a node in the tree is about to be expanded.
@throws ExpandVetoException
to notify the calling XTreeControl that expanding
<member>TreeExpansionEvent::Node</member> should fail.
*/
void treeExpanding( [in] TreeExpansionEvent Event )
raises ( ExpandVetoException );
/** Invoked whenever a node in the tree is about to be collapsed.
@throws ExpandVetoException
to notify the calling XTreeControl that collapsing
<member>TreeExpansionEvent::Node</member> should fail.
*/
void treeCollapsing( [in] TreeExpansionEvent Event )
raises ( ExpandVetoException );
/** Called whenever a node in the tree has been successfully expanded. */
void treeExpanded( [in] TreeExpansionEvent Event );
/** Called whenever a node in the tree has been successfully collapsed. */
void treeCollapsed( [in] TreeExpansionEvent Event );
};
}; }; }; }; };
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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