Swiftgram/Example/lottie-ios/JSONExplorerViewController.m

//
//  LAJSONExplorerViewController.m
//  LottieAnimator
//
//  Created by Brandon Withrow on 12/15/15.
//  Copyright © 2015 Brandon Withrow. All rights reserved.
//

#import "JSONExplorerViewController.h"

@interface JSONExplorerViewController () <UITableViewDataSource, UITableViewDelegate>

@property (nonatomic, strong) UITableView *tableView;
@property (nonatomic, strong) NSArray *jsonFiles;

@end

@implementation JSONExplorerViewController

- (void)viewDidLoad {
  [super viewDidLoad];
  self.view.backgroundColor = [UIColor whiteColor];
  
  self.jsonFiles = [[NSBundle mainBundle] pathsForResourcesOfType:@"json" inDirectory:nil];
  
  self.tableView = [[UITableView alloc] initWithFrame:self.view.bounds];
  self.tableView.delegate = self;
  self.tableView.dataSource = self;
  [self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"cell"];
  [self.view addSubview:self.tableView];
  
  self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Close"
                                                                           style:UIBarButtonItemStyleDone
                                                                          target:self
                                                                          action:@selector(_closePressed)];
}

- (void)viewWillLayoutSubviews {
  [super viewWillLayoutSubviews];
  self.tableView.frame = self.view.bounds;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
  return self.jsonFiles.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
  UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell" forIndexPath:indexPath];
  NSString *fileURL = self.jsonFiles[indexPath.row];
  NSArray *components = [fileURL componentsSeparatedByString:@"/"];
  cell.textLabel.text = components.lastObject;
  return cell;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
  NSString *fileURL = self.jsonFiles[indexPath.row];
  NSArray *components = [fileURL componentsSeparatedByString:@"/"];
   if (self.completionBlock) {
    self.completionBlock(components.lastObject);
  }
}

- (void)_closePressed {
  if (self.completionBlock) {
    self.completionBlock(nil);
  }
}

@end