pjs/layout/tables/nsITableCellLayout.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (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.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsITableCellLayout_h__
#define nsITableCellLayout_h__
#include "nsISupports.h"
// IID for the nsITableCellLayout interface
// 8c921430-ba23-11d2-8f4b-006008159b0c
#define NS_ITABLECELLAYOUT_IID \
{ 0x8c921430, 0xba23, 0x11d2,{0x8f, 0xb4, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x0c}}
/**
* nsITableCellLayout
* interface for layout objects that act like table cells.
*
* @author sclark
*/
class nsITableCellLayout : public nsISupports
{
public:
static const nsIID& GetIID() { static nsIID iid = NS_ITABLECELLAYOUT_IID; return iid; }
/** return the mapped cell's row and column indexes (starting at 0 for each) */
NS_IMETHOD GetCellIndexes(PRInt32 &aRowIndex, PRInt32 &aColIndex)=0;
/** return the mapped cell's row index (starting at 0 for the first row) */
virtual nsresult GetRowIndex(PRInt32 &aRowIndex) const = 0;
/** return the mapped cell's column index (starting at 0 for the first column) */
virtual nsresult GetColIndex(PRInt32 &aColIndex) const = 0;
/** return the previous cell having the same column index as current cell
* returns null if no cell is present (but nsresult is still NS_OK)
*/
NS_IMETHOD GetPreviousCellInColumn(nsITableCellLayout **aCellLayout)=0;
/** return the next cell having the same column index
* returns null if no cell is present (but nsresult is still NS_OK)
*/
NS_IMETHOD GetNextCellInColumn(nsITableCellLayout **aCellLayout)=0;
};
#endif