2016-03-05 20:08:18 -08:00

101 lines
2.9 KiB
Objective-C

/* This file provided by Facebook is for non-commercial testing and evaluation
* purposes only. Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#import "ViewController.h"
#import "ASTableNode.h"
#import "DetailViewController.h"
@interface ViewController () <ASTableDataSource, ASTableDelegate>
@property (nonatomic, copy) NSArray *imageCategories;
@property (nonatomic, strong, readonly) ASTableNode *tableNode;
@end
@implementation ViewController
#pragma mark - Lifecycle
- (instancetype)init
{
self = [super initWithNode:[ASTableNode new]];
if (self == nil) { return self; }
_imageCategories = @[@"abstract", @"animals", @"business", @"cats", @"city", @"food", @"nightlife", @"fashion", @"people", @"nature", @"sports", @"technics", @"transport"];
return self;
}
- (void)dealloc
{
self.tableNode.delegate = nil;
self.tableNode.dataSource = nil;
}
#pragma mark - UIViewController
- (void)viewDidLoad
{
[super viewDidLoad];
self.title = @"Image Categories";
self.tableNode.delegate = self;
self.tableNode.dataSource = self;
}
- (void)viewWillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
[self.tableNode.view deselectRowAtIndexPath:self.tableNode.view.indexPathForSelectedRow animated:YES];
}
#pragma mark - Setter / Getter
- (ASTableNode *)tableNode
{
return (ASTableNode *)self.node;
}
#pragma mark - ASTableDataSource / ASTableDelegate
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return self.imageCategories.count;
}
- (ASCellNodeBlock)tableView:(ASTableView *)tableView nodeBlockForRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *imageCategory = self.imageCategories[indexPath.row];
return ^{
ASTextCellNode *textCellNode = [ASTextCellNode new];
textCellNode.text = [imageCategory capitalizedString];
return textCellNode;
};
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
NSString *imageCategory = self.imageCategories[indexPath.row];
DetailRootNode *detailRootNode = [[DetailRootNode alloc] initWithImageCategory:imageCategory];
DetailViewController *detailViewController = [[DetailViewController alloc] initWithNode:detailRootNode];
detailViewController.title = [imageCategory capitalizedString];
[self.navigationController pushViewController:detailViewController animated:YES];
}
@end