#import "ViewController.h"

#import "PARTagPickerViewController.h"

#import "PARTagColorReference.h"

@interface ViewController () <PARTagPickerDelegate>

@property (nonatomic, strong) PARTagPickerViewController *tagPicker;

@property (nonatomic, strong) NSArray *allTags;

@property (nonatomic, strong) NSArray *preChosenTags;

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

[self initDummyData];

[self addTagPickerToView];

}

- (void)initDummyData {

//Data for demo project

self.allTags = @[@"one fish", @"two fish", @"red fish", @"blue fish", @"the cat in the hat", @"Seuss"];

self.preChosenTags = @[@"in a box", @"with a fox", @"thing 1", @"thing 2"];

}

- (void)addTagPickerToView {

self.tagPicker = [[PARTagPickerViewController alloc] init];

self.tagPicker.view.backgroundColor = [UIColor darkGrayColor];

self.tagPicker.view.frame = CGRectMake(0, 20, CGRectGetWidth(self.view.bounds), COLLECTION_VIEW_HEIGHT); //78 is the fully expanded height.

self.tagPicker.view.autoresizingMask = UIViewAutoresizingFlexibleWidth;

self.tagPicker.delegate = self;

self.tagPicker.allTags = self.allTags;

//optionally allow new tags to be made

//self.tagPicker.allowsNewTags = YES;

//optionally set some chosen tags

//self.tagPicker.chosenTags = [self.preChosenTags mutableCopy];

//optionally use custom colors using PARTagColorReference

//[self useCustomColors];

//optionally set the font for all the cells

//self.tagPicker.font = [UIFont fontWithName:@"Menlo-Regular" size:14];

//optionally set default placeholder text

//self.tagPicker.placeholderText = @"";

//optionally disable the tap to remove tags

//self.tagPicker.tapToEraseTags = NO;

//optionally disable all editing

//self.tagPicker.textfieldEnabled = NO;

//optionally take control of when the bottom row shows and hides, manually.

//self.tagPicker.shouldAutomaticallyChangeVisibilityState = NO;

[self addChildViewController:self.tagPicker];

[self.view addSubview:self.tagPicker.view];

}

- (void)useCustomColors {

PARTagColorReference *myColors = [PARTagColorReference new];

myColors.chosenTagBorderColor = [UIColor blueColor];

myColors.chosenTagBackgroundColor = [UIColor purpleColor];

myColors.chosenTagTextColor = [UIColor whiteColor];

myColors.defaultTagBorderColor = [UIColor greenColor];

myColors.defaultTagBackgroundColor = [UIColor orangeColor];

myColors.defaultTagTextColor = [UIColor blackColor];

myColors.highlightedTagBorderColor = [UIColor magentaColor];

myColors.highlightedTagBackgroundColor = [UIColor yellowColor];

myColors.highlightedTagTextColor = [UIColor blackColor];

self.tagPicker.tagColorRef = myColors;

}

#pragma mark - PARTagPickerDelegate

- (void)tagPicker:(PARTagPickerViewController *)tagPicker visibilityChangedToState:(PARTagPickerVisibilityState)state {

//you can adjust this view controller's view to change with the tagPicker's size change, if needed.

CGFloat newHeight = 0;

if (state == PARTagPickerVisibilityStateTopAndBottom) {

newHeight = 2 * COLLECTION_VIEW_HEIGHT;

} else if (state == PARTagPickerVisibilityStateTopOnly) {

newHeight = COLLECTION_VIEW_HEIGHT;

}

CGRect frame = self.tagPicker.view.frame;

frame.size.height = newHeight;

[UIView animateWithDuration:.5 animations:^{

self.tagPicker.view.frame = frame;

}];

}

- (void)chosenTagsWereUpdatedInTagPicker:(PARTagPickerViewController *)tagPicker {

//access chosen tags with tagPicker.chosenTags

}

- (void)searchStringDidChange:(NSString *)searchString {

//access chosen tags with searchString

}

#pragma mark - IBActions

- (IBAction)hideAllTags:(id)sender {

self.tagPicker.visibilityState = PARTagPickerVisibilityStateHidden;

}

- (IBAction)showAllTags:(id)sender {

self.tagPicker.visibilityState = PARTagPickerVisibilityStateTopAndBottom;

}

- (IBAction)showChosenTagsOnly:(id)sender {

self.tagPicker.visibilityState = PARTagPickerVisibilityStateTopOnly;

}

- (IBAction)addAll:(id)sender {

[_tagPicker setChosenTags:[self.allTags mutableCopy]];

}

- (IBAction)clearAll:(id)sender {

[_tagPicker setChosenTags:[@[] mutableCopy]];

}