//

//  ScrollViewController.swift

//  UIControlDemo

//

//  Created by   on 14/12/1.

//  Copyright (c) 2014年 马大哈. All rights reserved.

//

import UIKit

class ScrollViewController: BaseViewController ,UIScrollViewDelegate{

    var scroll: UIScrollView?

    var pageControl:UIPageControl?

    override func viewDidLoad() {

        super.viewDidLoad()

        self.title = "当前索引: 1 / 5"

        scroll = UIScrollView(frame: CGRectMake(0, 100, self.view.frame.size.width, 200))

        scroll?.backgroundColor = UIColor.redColor()

        scroll?.delegate = self

        scroll?.showsHorizontalScrollIndicator = true

        scroll?.showsVerticalScrollIndicator = true

        scroll?.pagingEnabled = true

        self.view.addSubview(scroll!)

        for var indexInt = 0; indexInt < 5; ++indexInt{

            var xLoca = CGFloat(indexInt) * CGFloat(self.view.frame.size.width)

            var button = UIButton.buttonWithType(UIButtonType.Custom) as UIButton

            button.backgroundColor = .grayColor()

            button.frame = CGRectMake(xLoca, 0, self.view.frame.size.width, 200)

            button.setTitleColor(UIColor.whiteColor(), forState:.Normal)

            button.setTitle("点击按钮", forState: UIControlState.Normal)

            button.titleLabel!.font = UIFont.boldSystemFontOfSize(CGFloat(25))

            button.setImage(UIImage(named:""), forState: UIControlState.Normal)

            button.contentMode = UIViewContentMode.ScaleAspectFit

            scroll!.addSubview(button)

        }

        scroll?.contentSize = CGSizeMake(5*self.view.frame.size.width, 200)

        scroll?.setContentOffset(CGPointMake(0, 0), animated: true)

        pageControl = UIPageControl(frame: CGRectMake(0, 320, self.view.frame.size.width,40))

        pageControl?.backgroundColor = UIColor.clearColor()

        pageControl?.numberOfPages = 5

        pageControl?.currentPage = 0

        pageControl?.pageIndicatorTintColor = UIColor.blackColor()

        pageControl?.currentPageIndicatorTintColor = UIColor.redColor()

        pageControl?.userInteractionEnabled = false

        self.view.addSubview(pageControl!)

    }

    func scrollViewDidEndDecelerating(scrollView: UIScrollView) {

        var index = Int(scrollView.contentOffset.x/scrollView.frame.size.width)

        pageControl?.currentPage = index

        self.title = "当前索引: \(index+1) / 5"

    }

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

}

UIScrollView