/*
 *  R.app : a Cocoa front end to: "R A Computer Language for Statistical Data Analysis"
 *  
 *  R.app Copyright notes:
 *                     Copyright (C) 2004-5  The R Foundation
 *                     written by Stefano M. Iacus and Simon Urbanek
 *
 *                  
 *  R Copyright notes:
 *                     Copyright (C) 1995-1996   Robert Gentleman and Ross Ihaka
 *                     Copyright (C) 1998-2001   The R Development Core Team
 *                     Copyright (C) 2002-2004   The R Foundation
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  A copy of the GNU General Public License is available via WWW at
 *  http://www.gnu.org/copyleft/gpl.html.  You can also obtain it by
 *  writing to the Free Software Foundation, Inc., 59 Temple Place,
 *  Suite 330, Boston, MA  02111-1307  USA.
 */

#import <Cocoa/Cocoa.h>

/* for pre-10.5 compatibility */
#ifndef NSINTEGER_DEFINED
#if __LP64__ || NS_BUILD_32_LIKE_64
typedef long NSInteger;
typedef unsigned long NSUInteger;
#else
typedef int NSInteger;
typedef unsigned int NSUInteger;
#endif
#define NSINTEGER_DEFINED 1
#endif

@protocol NSTableViewDataSource <NSObject>
- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView;
- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row;
@optional
- (void)tableView:(NSTableView *)tableView setObjectValue:(id)object forTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row;
- (void)tableView:(NSTableView *)tableView sortDescriptorsDidChange:(NSArray *)oldDescriptors;
- (BOOL)tableView:(NSTableView *)tableView writeRowsWithIndexes:(NSIndexSet *)rowIndexes toPasteboard:(NSPasteboard *)pboard;
- (NSDragOperation)tableView:(NSTableView *)tableView validateDrop:(id <NSDraggingInfo>)info proposedRow:(NSInteger)row proposedDropOperation:(NSTableViewDropOperation)dropOperation;
- (BOOL)tableView:(NSTableView *)tableView acceptDrop:(id <NSDraggingInfo>)info row:(NSInteger)row dropOperation:(NSTableViewDropOperation)dropOperation;
- (NSArray *)tableView:(NSTableView *)tableView namesOfPromisedFilesDroppedAtDestination:(NSURL *)dropDestination forDraggedRowsWithIndexes:(NSIndexSet *)indexSet;
@end

@interface SortableDataSource : NSObject <NSTableViewDataSource> {
    NSMutableArray *col;
    NSMutableArray *colNames;
    NSUInteger rows;
    int *sortMap, *invSortMap;
	int *filter, filterLen;
}

- (void) addColumn: (NSArray*) colCont withName: (NSString*) name;
- (void) addColumnOfLength: (int) clen withCStrings: (char**) cstr name: (NSString*) name;
- (void) addColumnOfLength: (int) clen withUTF8Strings: (char**) cstr name: (NSString*) name;
- (void) reset;
- (unsigned) count;
- (unsigned) rows;
- (id) objectAtColumn: (NSString*) name row: (int) row; 
- (id) objectAtColumn: (NSString*) name index: (int) row; // index ignores filter
- (void) setFilter: (int*) f length: (int) fl;
- (void) resetFilter;

- (int)  numberOfRowsInTableView:(NSTableView *)tableView;
- (id)   tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(int)row;
- (void) tableView:(NSTableView *)tableView setObjectValue:(id)object forTableColumn:(NSTableColumn *)tableColumn row:(int)row;
- (void) tableView:(NSTableView *)tableView sortDescriptorsDidChange:(NSArray *) oldDescriptors;

@end