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/*
Grr RSS Reader
Copyright (C) 2006-2007 Guenther Noack <guenther@unix-ag.uni-kl.de>
Copyright (C) 2009-2010 GNUstep Application Team
Riccardo Mottola
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 3 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., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
*/
#import <AppKit/AppKit.h>
#import "Components.h"
#import "Feed.h"
/**
* The database outline view component used to manage feeds and article groups.
*/
@interface DatabaseTreeViewController : ViewProvidingComponent
{
IBOutlet NSOutlineView* outlineView;
}
// -------------------------------------------------------------------
// Retrieving the update notification from the database
// -------------------------------------------------------------------
-(void) databaseChanged: (NSNotification*) notif;
// ---------------------------------------------------------------------
// Retrieving feed fetching related ("did" and "will") notifications
// ---------------------------------------------------------------------
-(void) redrawFeedNotification: (NSNotification*) notif;
// -------------------------------------------------------------------
// Retrieving focus request notifications for database elements
// -------------------------------------------------------------------
-(void) databaseElementRequestsFocus: (NSNotification*) notif;
// -------------------------------------------------------------------
// Redraws a feed in the outline view
// -------------------------------------------------------------------
-(void) redrawFeed: (id<Feed>) feed;
// -------------------------------------------------------------------
// NSOutlineView data source
// -------------------------------------------------------------------
/**
* Implementation of this method is required. Returns the child at
* the specified index for the given item.
*/
- (id)outlineView: (NSOutlineView *)outlineView
child: (int)index
ofItem: (id)item;
/**
* This is a required method. Returns whether or not the outline view
* item specified is expandable or not.
*/
- (BOOL)outlineView: (NSOutlineView *)outlineView
isItemExpandable: (id)item;
/*
* This is a required method. Returns the number of children of
* the given item.
*/
- (int)outlineView: (NSOutlineView *)outlineView
numberOfChildrenOfItem: (id)item;
/**
* This is a required method. Returns the object corresponding to the
* item representing it in the outline view.
*/
- (id)outlineView: (NSOutlineView *)outlineView
objectValueForTableColumn:(NSTableColumn *)tableColumn
byItem:(id)item;
@end
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