Initial import of Cocoa code

cocoa/AppController.m

@@ -0,0 +1,57 @@
+//
+//  AppController.m
+//  Current Cost
+//
+//  Created by Neil on 05/12/2008.
+//  Copyright 2008 Neil Cowburn. All rights reserved.
+//
+
+#import "AppController.h"
+#include "NSString+Trim.h"
+
+@interface AppController () 
+
+- (void)readData:(id)anObject;
+
+@end
+
+@implementation AppController
+
+@synthesize ccm;
+
+- (id)init 
+{
+	if (self = [super init]) {
+		ccm = [[NCCurrentCost alloc] init:@"/dev/cu.usbserial-0000101D" withBaudRate:2400];
+		continueLoop = YES;
+		[ccm setDelegate:self];
+	}
+	
+	return self;
+}
+
+- (IBAction)startDataCapture:(id)sender
+{
+	continueLoop = YES;
+	[ccm open];
+	[NSThread detachNewThreadSelector:@selector(readData:) toTarget:self withObject:nil];
+}
+
+- (void)dataWasReceived:(NSXMLDocument *)xml
+{	
+	NSString *tmp = [NSString stringWithFormat:@"Energy Now: %@ Watts", [NSString stringByTrimmingLeadingZeros:[[[xml nodesForXPath:@"/msg/ch1/watts" error:nil] objectAtIndex:0] stringValue]]];
+	[ccView setWatts:tmp];
+}
+
+- (void)readData:(id)anObject
+{
+	NSAutoreleasePool *thisPool = [[NSAutoreleasePool alloc] init];
+	
+	while (continueLoop) {
+		[ccm read];
+	}
+	
+	[thisPool release];
+}
+
+@end