ICViewPager/ICViewPager/Controller/HostViewController.m at 8a7781aae0758dfe90ec8905bdbb2b095cd3502a · iltercengiz/ICViewPager · GitHub

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//
//  HostViewController.m
//  ICViewPager
//
//  Created by Ilter Cengiz on 28/08/2013.
//  Copyright (c) 2013 Ilter Cengiz. All rights reserved.
//

#import "HostViewController.h"
#import "ContentViewController.h"

@interface HostViewController () <ICViewPagerControllerDataSource, ICViewPagerControllerDelegate>

@property (nonatomic) NSUInteger numberOfTabs;

@end

@implementation HostViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    self.dataSource = self;
    self.delegate = self;

    self.title = @"View Pager";

    // Keeps tab bar below navigation bar on iOS 7.0+
    // if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7.0) {
    //     self.edgesForExtendedLayout = UIRectEdgeNone;
    // }

    self.navigationItem.rightBarButtonItem = ({

        UIBarButtonItem *button;
        button = [[UIBarButtonItem alloc] initWithTitle:@"Tab #5" style:UIBarButtonItemStylePlain target:self action:@selector(selectTabWithNumberFive)];

        button;
    });

}
- (void)viewDidAppear:(BOOL)animated {

    [super viewDidAppear:animated];

    [self performSelector:@selector(loadContent) withObject:nil afterDelay:3.0];

}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

#pragma mark - Setters
- (void)setNumberOfTabs:(NSUInteger)numberOfTabs {

    // Set numberOfTabs
    _numberOfTabs = numberOfTabs;

    // Reload data
    [self reloadData];

}

#pragma mark - Helpers
- (void)selectTabWithNumberFive {
    [self selectTabAtIndex:5];
}
- (void)loadContent {
    self.numberOfTabs = 10;
}

#pragma mark - Interface Orientation Changes
- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {

    // Update changes after screen rotates
    [self performSelector:@selector(setNeedsReloadOptions) withObject:nil afterDelay:duration];
}

#pragma mark - ICViewPagerDataSource
- (NSUInteger)numberOfTabsForViewPager:(ICViewPagerController *)viewPager {
    return self.numberOfTabs;
}
- (UIView *)viewPager:(ICViewPagerController *)viewPager viewForTabAtIndex:(NSUInteger)index {

    UILabel *label = [UILabel new];
    label.backgroundColor = [UIColor clearColor];
    label.font = [UIFont systemFontOfSize:12.0];
    label.text = [NSString stringWithFormat:@"Tab #%i", index];
    label.textAlignment = NSTextAlignmentCenter;
    label.textColor = [UIColor blackColor];
    [label sizeToFit];

    return label;
}

- (UIViewController *)viewPager:(ICViewPagerController *)viewPager contentViewControllerForTabAtIndex:(NSUInteger)index {

    ContentViewController *cvc = [self.storyboard instantiateViewControllerWithIdentifier:@"contentViewController"];

    cvc.labelString = [NSString stringWithFormat:@"Content View #%i", index];

    return cvc;
}

#pragma mark - ViewPagerDelegate
- (CGFloat)viewPager:(ICViewPagerController *)viewPager valueForOption:(ViewPagerOption)option withDefault:(CGFloat)value {

    switch (option) {
        case ViewPagerOptionStartFromSecondTab:
            return 0.0;
        case ViewPagerOptionCenterCurrentTab:
            return 1.0;
        case ViewPagerOptionTabLocation:
            return 0.0;
        case ViewPagerOptionTabHeight:
            return 49.0;
        case ViewPagerOptionTabOffset:
            return 36.0;
        case ViewPagerOptionTabWidth:
            return UIInterfaceOrientationIsLandscape(self.interfaceOrientation) ? 128.0 : 96.0;
        case ViewPagerOptionFixFormerTabsPositions:
            return 1.0;
        case ViewPagerOptionFixLatterTabsPositions:
            return 1.0;
        default:
            return value;
    }
}
- (UIColor *)viewPager:(ICViewPagerController *)viewPager colorForComponent:(ViewPagerComponent)component withDefault:(UIColor *)color {

    switch (component) {
        case ViewPagerIndicator:
            return [[UIColor redColor] colorWithAlphaComponent:0.64];
        case ViewPagerTabsView:
            return [[UIColor lightGrayColor] colorWithAlphaComponent:0.32];
        case ViewPagerContent:
            return [[UIColor darkGrayColor] colorWithAlphaComponent:0.32];
        default:
            return color;
    }
}

@end