/* |
File: MyViewController.m |
Abstract: The main table view controller of this app. |
Version: 1.5 |
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*/ |
#import "MyViewController.h" |
#import "AppDelegate.h" |
@implementation MyViewController |
@synthesize instructionsView, flipButton, doneButton; |
- (void)dealloc |
{ |
[instructionsView release]; |
[flipButton release]; |
[doneButton release]; |
// unregister for this notification |
[[NSNotificationCenter defaultCenter] removeObserver:self name:UIApplicationDidFinishLaunchingNotification object:nil]; |
[super dealloc]; |
} |
- (void)viewDidLoad |
{ |
// watch when the app has finished launching so we can update our preference settings and apply them to the UI |
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(updateSettings:) |
name:UIApplicationDidFinishLaunchingNotification object:nil]; |
// add our custom flip button as the nav bar's custom right view |
UIButton* infoButton = [UIButton buttonWithType:UIButtonTypeInfoLight]; |
[infoButton addTarget:self action:@selector(flipAction:) forControlEvents:UIControlEventTouchUpInside]; |
flipButton = [[UIBarButtonItem alloc] initWithCustomView:infoButton]; |
self.navigationItem.rightBarButtonItem = flipButton; |
// note: the app hasn't finished launching, so we setup the background color later in "updateSettings" |
} |
- (void)viewDidUnload |
{ |
self.instructionsView = nil; |
self.doneButton = nil; |
self.flipButton = nil; |
} |
// this is called when the app finishes launching (i.e. UIApplicationDidFinishLaunchingNotification) |
// |
- (void)updateSettings:(NSNotification *)notif |
{ |
// now change the app view's background color |
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate]; |
switch ([appDelegate backgroundColor]) |
{ |
case blackBackColor: |
self.tableView.backgroundColor = [UIColor blackColor]; |
break; |
case whiteBackColor: |
self.tableView.backgroundColor = [UIColor whiteColor]; |
break; |
case blueBackColor: |
self.tableView.backgroundColor = [UIColor blueColor]; |
break; |
case patternBackColor: |
self.tableView.backgroundColor = [UIColor groupTableViewBackgroundColor]; |
break; |
} |
} |
#pragma mark - Flip screen |
- (void)flipAction:(id)sender |
{ |
[UIView setAnimationDelegate:self]; |
[UIView setAnimationDidStopSelector:@selector(animationDidStop:animationIDfinished:finished:context:)]; |
[UIView beginAnimations:nil context:nil]; |
[UIView setAnimationDuration:0.75]; |
[UIView setAnimationTransition:([self.tableView superview] ? |
UIViewAnimationTransitionFlipFromLeft : UIViewAnimationTransitionFlipFromRight) |
forView:self.tableView cache:YES]; |
if ([instructionsView superview]) |
[instructionsView removeFromSuperview]; |
else |
[self.tableView addSubview:instructionsView]; |
[UIView commitAnimations]; |
// adjust our done/info buttons accordingly |
if ([instructionsView superview] == self.tableView) |
self.navigationItem.rightBarButtonItem = doneButton; |
else |
self.navigationItem.rightBarButtonItem = flipButton; |
} |
#pragma mark - UITableViewDataSource |
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section |
{ |
return 1; |
} |
// to determine which UITableViewCell to be used on a given row. |
// |
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath |
{ |
NSString *kCellIdentifier = @"MyIdentifier"; |
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:kCellIdentifier]; |
if (cell == nil) |
{ |
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:kCellIdentifier] autorelease]; |
cell.selectionStyle = UITableViewCellSelectionStyleNone; |
} |
AppDelegate *appDelegate = (AppDelegate *)[[UIApplication sharedApplication] delegate]; |
// ask our app delegate for the preferred string values and text color |
NSString *firstNameStr = appDelegate.firstName; |
NSString *lastNameStr = appDelegate.lastName; |
cell.textLabel.text = [NSString stringWithFormat:@"%@ %@", firstNameStr, lastNameStr]; |
switch ([appDelegate textColor]) |
{ |
case blue: |
cell.textLabel.textColor = [UIColor blueColor]; |
break; |
case green: |
cell.textLabel.textColor = [UIColor greenColor]; |
break; |
case red: |
cell.textLabel.textColor = [UIColor redColor]; |
break; |
} |
return cell; |
} |
@end |
Last updated: 2010-06-29