50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsITreeDataModel_h___
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#define nsITreeDataModel_h___
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#include "prthread.h"
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#include "nsString.h"
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#include "nsIDataModel.h"
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class nsITreeColumn;
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class nsITreeDMItem;
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// {728D90C2-5B2A-11d2-96ED-00104B7B7DEB}
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#define NS_ITREEDATAMODEL_IID \
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{ 0x728d90c2, 0x5b2a, 0x11d2, { 0x96, 0xed, 0x0, 0x10, 0x4b, 0x7b, 0x7d, 0xeb } }
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class nsITreeDataModel : public nsIDataModel
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{
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public:
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// Column APIs
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NS_IMETHOD GetVisibleColumnCount(PRUint32& count) const = 0;
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NS_IMETHOD GetColumnCount(PRUint32& count) const = 0;
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NS_IMETHOD GetNthColumn(nsITreeColumn*& pColumn, PRUint32 n) const = 0;
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// TreeItem APIs
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NS_IMETHOD GetFirstVisibleItemIndex(PRUint32& index) const = 0;
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NS_IMETHOD GetNthTreeItem(nsITreeDMItem*& pItem, PRUint32 n) const = 0;
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NS_IMETHOD GetItemTextForColumn(nsString& nodeText, nsITreeDMItem* pItem, nsITreeColumn* pColumn) const = 0;
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};
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#endif /* nsITreeDataModel_h___ */
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