SplitNavigationBanner/SplitNavigationBanner/MasterViewController.m

/*
     File: MasterViewController.m
 Abstract: A simple view controller that manages a table view.
  Version: 1.2
 
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 */
 
#import "MasterViewController.h"
#import "TextViewController.h"
 
@interface MasterViewController () {
    NSDictionary *_data;
    NSArray *_keys;
}
@property (nonatomic, strong) TextViewController *detailViewController;
 
@end
 
@implementation MasterViewController
 
- (void)viewDidLoad
{
    [super viewDidLoad];
    
    self.title = @"Meals";
    
    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
        // on iPad only, don't clear the selection (we are displaying in a split view on iPad)
        self.clearsSelectionOnViewWillAppear = NO;
    }
    
    // remember our detail view controller
    self.detailViewController = (TextViewController *)[[self.splitViewController.viewControllers lastObject] topViewController];
    
    // load our plist data for backing the table view
    _data = [NSDictionary dictionaryWithContentsOfURL:[[NSBundle mainBundle] URLForResource:@"ipsums" withExtension:@"plist"]];
    _keys = [[_data allKeys] sortedArrayUsingSelector:@selector(compare:)];
    
    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
        // default by selecting the first row
        [self.tableView selectRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0] animated:NO scrollPosition:UITableViewScrollPositionMiddle];
        
        // configure our detail view controller
        [self configureDetailItemForRow:0 viewController:self.detailViewController];
    }
}
 
 
#pragma mark - UITableViewDataSource
 
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return [_data count];
}
 
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *CellIdentifier = @"Cell";
    
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
    }
 
    // configure the cell
    cell.textLabel.text = _keys[indexPath.row];
 
    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) {
        // disclosure indicators on iPhone only
        cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
    }
    return cell;
}
 
 
#pragma mark - UITableViewDelegate
 
- (void)configureDetailItemForRow:(NSUInteger)row viewController:(TextViewController *)viewController
{
    NSString *item = _keys[row];
    NSString *text = _data[item];
    
    viewController.text = text;
    viewController.title = item;
}
 
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
        
        // on iPad we need to just configure our detail view when a row is selected
        [self configureDetailItemForRow:indexPath.row viewController:self.detailViewController];
    }
}
 
 
#pragma mark - Seques
 
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
    if ([[segue identifier] isEqualToString:@"showDetail"]) {
        // for iPhone, our segue will push the TextViewController, so configure it here in preparation for that push
        TextViewController *destinationVC = (TextViewController *)segue.destinationViewController;
        NSIndexPath *selectedIndexPath = [self.tableView indexPathForSelectedRow];
        [self configureDetailItemForRow:selectedIndexPath.row viewController:destinationVC];
    }
}
 
@end