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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef __com_sun_star_awt_tree_XTreeDataModel_idl__
#define __com_sun_star_awt_tree_XTreeDataModel_idl__
#ifndef __com_sun_star_awt_tree_XTreeDataModelListener_idl__
#include <com/sun/star/awt/tree/XTreeDataModelListener.idl>
#endif
#ifndef __com_sun_star_lang_IllegalArgumentException_idl__
#include <com/sun/star/lang/IllegalArgumentException.idl>
#endif
#ifndef __com_sun_star_lang_XComponent_idl__
#include <com/sun/star/lang/XComponent.idl>
#endif
#ifndef __com_sun_star_awt_tree_XTreeNode_idl__
#include <com/sun/star/awt/tree/XTreeNode.idl>
#endif
//=============================================================================
module com { module sun { module star { module awt { module tree {
//=============================================================================
/** An instance of this interface is used by the <type>TreeControl</type> to
retrieve the hierarchical outline data that is displayed in the actual control.
<p>If you implement your own <type>XTreeDataModel</type> you need to notify registered
<type>XTreeDataModelListener</type> if your model changes after the control is created.
If this is not done correctly the <type>TreeControl</type> will not update the data properly.</p>
If you do not need your own model implementation, you can also use the <type>MutableTreeDataModel</type>.
*/
interface XTreeDataModel : ::com::sun::star::lang::XComponent
{
/** Returns the root of the tree.
<p>Returns null only if the tree has no nodes.
@returns
the root of the tree
*/
XTreeNode getRoot();
/** Adds a listener for the <type>TreeDataModelEvent</type> posted after the tree changes.
@param Listener
the listener to add.
*/
void addTreeDataModelListener( [in] XTreeDataModelListener Listener );
/** Removes a listener previously added with <method>addTreeDataModelListener()</method>.
@param Listener
the listener to remove.
*/
void removeTreeDataModelListener( [in] XTreeDataModelListener Listener );
};
//=============================================================================
}; }; }; }; };
#endif
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