DDMessageController.h

//
//  DDMessageController.h
//  dAmnDesktop
//
//  Created by Joel on 4/24/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import <Cocoa/Cocoa.h>
#include "DDMessageView.h"


@interface DDMessageController : NSObject {
	IBOutlet DDMessageView	*messageView;
	IBOutlet NSTextField	*textField;
}

- (IBAction)addMessage:(id)sender;

@end

DDMessageController.m

//
//  DDMessageController.m
//  dAmnDesktop
//
//  Created by Joel on 4/24/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import "DDMessageController.h"


@implementation DDMessageController

- (id)init
{
	self = [super init];
	messageView = [[DDMessageView alloc] init];
	return self;
}

- (IBAction)addMessage:(id)sender
{
	NSLog(@"attempting to add an item");
	NSDictionary *newMessage = [NSDictionary dictionaryWithObject:[textField stringValue] forKey:@"messages"];
	[messageView addRow:newMessage];
}

@end

DDMessageView.h

//
//  DDMessageView.h
//  dAmnDesktop
//
//  Created by Joel on 4/24/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import <Cocoa/Cocoa.h>


@interface DDMessageView : NSTableView <NSTableViewDelegate,NSTableViewDataSource> {
	NSMutableArray *_items;
}

- (NSMutableArray *)items;
- (id)selectedRowItemForColumnIdentifier:(NSString *)anIdentifier;

- (void)setItems:(NSMutableArray *)anArray;
- (void)addRow:(NSDictionary *)item;
- (void)removeRow:(unsigned)row;

@end

DDMessageView.m

//
//  DDMessageView.m
//  dAmnDesktop
//
//  Created by Joel on 4/24/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import "DDMessageView.h"


@implementation DDMessageView

- (id)init
{
	self = [super init];
	_items = [[NSMutableArray alloc] init];
	[self setDelegate:self];
	[self setDataSource:self];
	[self reloadData];
	return self;
}

- (void)dealloc
{
	[_items release];
	[super dealloc];
}

- (NSMutableArray *)items {
	return _items;
}

- (id)selectedRowItemForColumnIdentifier:(NSString *)anIdentifier
{
	if ([self selectedRow] != -1)
		return [[_items objectAtIndex:[self selectedRow]] objectForKey:anIdentifier];
	
	return nil;
}

- (void)setItems:(NSMutableArray *)anArray
{
	if (_items == anArray)
		return;
	[_items release];
	_items = anArray;
	[_items retain];
	[self reloadData];
}

- (void)addRow:(NSDictionary *)item
{
	NSLog(@"count before: %lu", [_items count]);
	[_items addObject:item];
	NSLog(@"count after: %lu", [_items count]);
	[self reloadData];
}

- (void)removeRow:(unsigned)row
{
	[_items removeObjectAtIndex:row];
	[self reloadData];
}

- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView
{
	return [_items count];
}

- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row
{
	if (row != -1)
		return [[_items objectAtIndex:row] objectForKey:[tableColumn identifier]];
	
	return nil;
}

@end