FreemojiController.m

//
//  FreemojiController.m
//  Freemoji
//
//  Created by lv on 10-11-21.
//  Copyright 2010年 CocoaChina.com. All rights reserved.
//

#import "FreemojiController.h"

@implementation FreemojiController
- (void) didSwitch: (UISwitch *) sv
{
	// Read in prefs
	NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithContentsOfFile:PREFS_FILE];
	if (!dict) 
	{
		[sv setOn:(![sv isOn])];
		[(UITextView *)[self.view viewWithTag:FEEDBACK_TAG] setText:@"ERROR! Could not read (or write to) the Apple Preferences property list for some reason.\n\nThis error means that you were sandboxed away from the proper settings or the settings could not be found or read from. Sorry!"];
		return;
	}
	
	// Toggle the setting from on to off or vice versa
	BOOL isSet = [[dict objectForKey:EMOJI_KEY] boolValue];
	printf("%s key...\n", isSet ? "Removing" : "Setting");
	if (isSet)
		[dict removeObjectForKey:EMOJI_KEY];
	else
		[dict setObject:[NSNumber numberWithBool:YES] forKey:EMOJI_KEY];
	[dict writeToFile:PREFS_FILE atomically:NO];
	[sv setOn:!isSet];
}

- (void)loadView
{
	UIView *contentView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]];
	self.view = contentView;
	contentView.backgroundColor = [UIColor whiteColor];
	
	// Add a switch
	UISwitch *sv = [[UISwitch alloc] initWithFrame:CGRectZero];
	sv.center = CGPointMake(160.0f, 180.0f);
	[sv addTarget:self action:@selector(didSwitch:) forControlEvents:UIControlEventValueChanged];
	[contentView addSubview:sv];
	[sv release];
	
	// Initialize switch value from the current setting
	NSMutableDictionary *dict = [NSMutableDictionary dictionaryWithContentsOfFile:PREFS_FILE];
	[sv setOn:[[dict objectForKey:EMOJI_KEY] boolValue]];
	
	// Add primary label
	UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 300.0f, 120.0f)];
	label.center = CGPointMake(160.0f, 80.0f);
	label.numberOfLines = 2;
	label.text = @"EMOJI\nSUPPORT";
	label.textAlignment = UITextAlignmentCenter;
	label.backgroundColor = [UIColor clearColor];
	label.font = [UIFont boldSystemFontOfSize:48.0f];
	[contentView addSubview:label];
	[label release];
	
	// Add how-to text
	UITextView *tv = [[UITextView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 300.0f, 200.0f)];
	tv.center = CGPointMake(160.0f, 350.0f);
	tv.backgroundColor = [UIColor lightGrayColor];
	tv.editable = NO;
	tv.font = [UIFont italicSystemFontOfSize:16.0f];
	tv.text = @"After enabling Emoji support, go to Settings > General > Keyboard > International Keyboards > Japanese and switch Emoji support to ON.\n\nDisabling Emoji support in this application returns your system to its normal settings.";
	tv.tag = FEEDBACK_TAG;
	[contentView addSubview:tv];
	[tv release];
	
	[contentView release];
}
@end