/*

     File: DetailViewController.m

 Abstract: Creates a grouped table view to act as an inspector.

  Version: 3.1

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 */

#import "DetailViewController.h"

#import "Play.h"

@implementation DetailViewController

@synthesize play;

#pragma mark -

#pragma mark View lifecycle

- (void)viewWillAppear:(BOOL)animated {

    // Update the view with current data before it is displayed.

    [super viewWillAppear:animated];

    // Scroll the table view to the top before it appears

    [self.tableView reloadData];

    [self.tableView setContentOffset:CGPointZero animated:NO];

    self.title = play.title;

}

#pragma mark -

#pragma mark Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {

    // There are three sections, for date, genre, and characters, in that order.

    return 3;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {

    /*

     The number of rows varies by section.

     */

    NSInteger rows = 0;

    switch (section) {

        case 0:

        case 1:

            // For genre and date there is just one row.

            rows = 1;

            break;

        case 2:

            // For the characters section, there are as many rows as there are characters.

            rows = [play.characters count];

            break;

        default:

            break;

    }

    return rows;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    static NSString *CellIdentifier = @"CellIdentifier";

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];

    // Cache a date formatter to create a string representation of the date object.

    static NSDateFormatter *dateFormatter = nil;

    if (dateFormatter == nil) {

        dateFormatter = [[NSDateFormatter alloc] init];

        [dateFormatter setDateFormat:@"yyyy"];

    }

    // Set the text in the cell for the section/row.

    NSString *cellText = nil;

    switch (indexPath.section) {

        case 0:

            cellText = [dateFormatter stringFromDate:play.date];

            break;

        case 1:

            cellText = play.genre;

            break;

        case 2:

            cellText = [play.characters objectAtIndex:indexPath.row];

            break;

        default:

            break;

    }

    cell.textLabel.text = cellText;

    return cell;

}

#pragma mark -

#pragma mark Section header titles

/*

 HIG note: In this case, since the content of each section is obvious, there's probably no need to provide a title, but the code is useful for illustration.

 */

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {

    NSString *title = nil;

    switch (section) {

        case 0:

            title = NSLocalizedString(@"Date", @"Date section title");

            break;

        case 1:

            title = NSLocalizedString(@"Genre", @"Genre section title");

            break;

        case 2:

            title = NSLocalizedString(@"Main Characters", @"Main Characters section title");

            break;

        default:

            break;

    }

    return title;

}

@end