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/*
Project: FTP
Copyright (C) 2005-2011 Riccardo Mottola
Author: Riccardo Mottola
Created: 2005-04-12
Table class for file listing
This application 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 application 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
Library General Public License for more details.
You should have received a copy of the GNU General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#import "fileTable.h"
#import "fileElement.h"
/* we sort the already existing sorted array which contains only the keys to sort on */
NSComparisonResult compareDictElements(id e1, id e2, void *context)
{
NSString *s1;
NSString *s2;
NSComparisonResult r;
enum sortOrderDef sortOrder;
s1 = [(NSDictionary *)e1 objectForKey: @"name"];
s2 = [(NSDictionary *)e2 objectForKey: @"name"];
sortOrder = *(enum sortOrderDef *)context;
r = [s1 compare: s2];
if (sortOrder == descending)
{
if (r == NSOrderedAscending)
r = NSOrderedDescending;
else if (r == NSOrderedDescending)
r = NSOrderedAscending;
}
return r;
}
@implementation FileTable
- (void)initData:(NSArray *)fnames
{
int i;
sortByIdent = nil;
if (fileStructs)
{
[fileStructs release];
[sortedArray release];
}
fileStructs = [[NSArray arrayWithArray:fnames] retain];
sortedArray = [[NSMutableArray arrayWithCapacity: [fileStructs count]] retain];
for (i = 0; i < [fileStructs count]; i++)
{
NSNumber *n;
NSMutableDictionary *dict;
FileElement *fe;
fe = [fileStructs objectAtIndex: i];
n = [NSNumber numberWithInt: i];
dict = [NSMutableDictionary dictionary];
[dict setObject: [fe filename] forKey: @"name"];
[dict setObject: n forKey: @"row"];
[sortedArray addObject: dict];
}
sortOrder = undefined;
}
- (void)dealloc
{
[fileStructs release];
[sortedArray release];
[super dealloc];
}
/** retunrs the object after resolving sorting */
- (FileElement *)elementAtIndex:(unsigned)index
{
int originalRow;
originalRow = [[[sortedArray objectAtIndex: index] objectForKey: @"row"] intValue];
return [fileStructs objectAtIndex:originalRow];
}
- (void)sortByIdent:(NSString *)idStr
{
if ([idStr isEqualToString: sortByIdent])
{
if (sortOrder == ascending)
sortOrder = descending;
else
sortOrder = ascending;
}
else
{
NSLog(@"Sort by: %@", idStr);
sortOrder = ascending;
}
sortByIdent = idStr;
[sortedArray sortUsingFunction:compareDictElements context:&sortOrder];
}
/* methods implemented to follow the informal NSTableView protocol */
- (int)numberOfRowsInTableView:(NSTableView *)aTableView
{
return [sortedArray count];
}
- (id)tableView:(NSTableView *)aTableView objectValueForTableColumn:(NSTableColumn *)aTableColumn row:(int)rowIndex
{
id theElement;
int originalRow;
theElement = NULL;
NSParameterAssert(rowIndex >= 0 && rowIndex < [sortedArray count]);
originalRow = [[[sortedArray objectAtIndex: rowIndex] objectForKey: @"row"] intValue];
if ([[aTableColumn identifier] isEqualToString:TAG_FILENAME])
theElement = [[fileStructs objectAtIndex:originalRow] filename];
else
NSLog(@"unknown table column ident");
return theElement;
}
@end
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