#import "IconViewController.h"

#import "FlatUIKit.h"

#import "NSString+Icons.h"

@implementation IconViewController{

UICollectionView *_collectionView;

NSArray *unicodeStrings;

NSArray *colorArray;

}

-(void)viewDidLoad{

[super viewDidLoad];

self.view.backgroundColor = [UIColor cloudsColor];

self.title = @"Icons";

self.navigationController.navigationBar.translucent = NO;

UICollectionViewFlowLayout *layout=[[UICollectionViewFlowLayout alloc] init];

_collectionView=[[UICollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout];

[_collectionView setDataSource:self];

[_collectionView setDelegate:self];

[_collectionView setTranslatesAutoresizingMaskIntoConstraints:NO];

[_collectionView registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:@"cellIdentifier"];

[_collectionView setBackgroundColor:[UIColor clearColor]];

[self.view addSubview:_collectionView];

[self.view addConstraints:[NSLayoutConstraint

constraintsWithVisualFormat:@"H:|-0-[_collectionView]-0-|"

options:NSLayoutFormatDirectionLeadingToTrailing

metrics:nil

views:NSDictionaryOfVariableBindings(_collectionView)]];

[self.view addConstraints:[NSLayoutConstraint

constraintsWithVisualFormat:@"V:|-0-[_collectionView]-0-|"

options:NSLayoutFormatDirectionLeadingToTrailing

metrics:nil

views:NSDictionaryOfVariableBindings(_collectionView)]];

// loop over all of the icon string values

unicodeStrings = [NSString iconUnicodeStrings];

// use a few different colors to show how these icons can be styled

colorArray = @[[UIColor turquoiseColor], [UIColor emerlandColor], [UIColor peterRiverColor], [UIColor amethystColor], [UIColor sunflowerColor], [UIColor carrotColor], [UIColor alizarinColor]];

}

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section

{

return [unicodeStrings count];

}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath

{

UICollectionViewCell *cell=[collectionView dequeueReusableCellWithReuseIdentifier:@"cellIdentifier" forIndexPath:indexPath];

if(!cell){

}

else{

[[cell.contentView viewWithTag:100] removeFromSuperview];

}

UILabel *title = [[UILabel alloc]initWithFrame:CGRectMake(0, 0, cell.bounds.size.width, cell.bounds.size.height)];

title.font = [UIFont iconFontWithSize:16];

title.textAlignment = NSTextAlignmentCenter;

title.text = [unicodeStrings objectAtIndex:indexPath.row];

title.tag = 100;

title.textColor = [colorArray objectAtIndex:indexPath.row%[colorArray count]];

[cell.contentView addSubview:title];

return cell;

}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath

{

return CGSizeMake(50, 50);

}