/* |
File: DetailViewController.m |
Abstract: A view controller used for displaying a grid of Tile views for the iPad. |
Version: 1.6 |
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*/ |
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#import "DetailViewController.h" |
#import "DetailPopoverViewController.h" |
#import "PadContentController.h" |
#import "Tile.h" |
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#define TILE_ROWS 2 |
#define TILE_COLUMNS 3 |
#define TILE_COUNT (TILE_ROWS * TILE_COLUMNS) |
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#define TILE_WIDTH 225 |
#define TILE_HEIGHT 320 |
#define TILE_MARGIN 23 |
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@interface DetailViewController () |
{ |
CGRect savedPopoverRect; |
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CGRect tileFrame[TILE_COUNT]; |
Tile *tileForFrame[TILE_COUNT]; |
} |
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@property (nonatomic, weak) IBOutlet UINavigationBar *navBar; |
@property (nonatomic, weak) IBOutlet UIView *contentView; |
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@property (nonatomic, strong) UIPopoverController *thePopoverController; |
@property (nonatomic, strong) DetailPopoverViewController *popoverViewController; |
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@end |
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#pragma mark - |
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@implementation DetailViewController |
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// implement viewDidLoad to do additional setup after loading the view, typically from a nib. |
- (void)viewDidLoad |
{ |
[super viewDidLoad]; |
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self.popoverViewController = [[DetailPopoverViewController alloc] |
initWithNibName:@"DetailPopoverViewController" bundle:nil]; |
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self.thePopoverController.popoverContentSize = [self.popoverViewController.view |
sizeThatFits:CGSizeMake(512.0, 618.0)]; |
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[self createTiles]; |
} |
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- (void)viewDidUnload |
{ |
// release any retained subviews of the main view |
self.navBar = nil; |
self.popoverViewController = nil; |
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[super viewDidUnload]; |
} |
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#pragma mark - Tile support |
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// creates the grid of page views each containing the individual number content |
- (void)createTiles |
{ |
for (NSInteger row = 0; row < TILE_ROWS; ++row) |
{ |
for (NSInteger col = 0; col < TILE_COLUMNS; ++col) |
{ |
NSInteger index = (row * TILE_COLUMNS) + col; |
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CGRect frame = CGRectMake(TILE_MARGIN + col * (TILE_MARGIN + TILE_WIDTH), |
TILE_MARGIN + row * (TILE_MARGIN + TILE_HEIGHT) + self.navBar.frame.size.height, |
TILE_WIDTH, TILE_HEIGHT); |
tileFrame[index] = frame; |
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Tile *tile = [[Tile alloc] init]; |
tile.tag = index + 1; |
tileForFrame[index] = tile; |
tile.frame = frame; |
tile.backgroundColor = [UIColor whiteColor]; |
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UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAction:)]; |
tapGesture.numberOfTapsRequired = 1; |
tapGesture.numberOfTouchesRequired = 1; |
[tile addGestureRecognizer:tapGesture]; |
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[self.contentView addSubview:tile]; |
} |
} |
} |
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- (void)tapAction:(UIGestureRecognizer *)gestureRecognizer |
{ |
// get the number data for the tapped view, and set the UI elements according |
// to what found in that NSDictionary: |
// |
NSDictionary *numberItem = [self.contentList objectAtIndex:gestureRecognizer.view.tag - 1]; |
self.popoverViewController.numberImage.image = [UIImage imageNamed:[numberItem valueForKey:ImageKey]]; |
self.popoverViewController.numberLabel.text = [numberItem valueForKey:NameKey]; |
self.popoverViewController.numberDetail.text = [numberItem valueForKey:TranslationsKey]; |
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if (self.thePopoverController) |
{ |
// dismiss the popover before releasing it |
[self.thePopoverController dismissPopoverAnimated:YES]; |
} |
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// create and present popover |
UIPopoverController *aPopoverController = [[UIPopoverController alloc] initWithContentViewController:self.popoverViewController]; |
self.thePopoverController = aPopoverController; |
self.thePopoverController.delegate = self; |
self.thePopoverController.popoverContentSize = self.popoverViewController.view.bounds.size; |
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// setup the frame in which the popover can be presented slightly smaller its view frame |
CGRect rect = gestureRecognizer.view.frame; |
CGRect finalRect = CGRectInset(rect, 80.0, 80.0); |
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savedPopoverRect = finalRect; |
[self.thePopoverController presentPopoverFromRect:finalRect |
inView:self.contentView |
permittedArrowDirections:UIPopoverArrowDirectionAny |
animated:YES]; |
} |
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#pragma mark - Rotation support |
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- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration |
{ |
if (self.thePopoverController.popoverVisible) |
[self.thePopoverController dismissPopoverAnimated:YES]; // as we rotate, dismiss the current popover |
} |
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- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation |
{ |
if (self.thePopoverController) |
{ |
// we finished rotating, if a popover is allocated, show it again in the new orientation |
[self.thePopoverController presentPopoverFromRect:savedPopoverRect |
inView:self.contentView |
permittedArrowDirections:UIPopoverArrowDirectionAny |
animated:YES]; |
} |
} |
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#pragma mark - UIPopoverControllerDelegate |
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- (void)popoverControllerDidDismissPopover:(UIPopoverController *)popoverController |
{ |
// the user dismissed the popover, so release it here |
self.thePopoverController = nil; |
} |
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@end |