Created
October 29, 2015 13:29
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Constraints configuration with VFL. Scroll view
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import UIKit | |
class AboutViewController: UIViewController { | |
@IBOutlet weak var menuButton:UIBarButtonItem! | |
let regularMarginSize = CGFloat(8) | |
let defFont = UIFont.preferredFontForTextStyle(UIFontTextStyleBody) | |
override func viewDidLoad() { | |
super.viewDidLoad() | |
if self.revealViewController() != nil { | |
menuButton.target = self.revealViewController() | |
menuButton.action = "revealToggle:" | |
self.view.addGestureRecognizer(self.revealViewController().panGestureRecognizer()) | |
} | |
self.navigationItem.title = "_____" | |
let navBarHeight = self.navigationController?.navigationBar.frame.height | |
let companyDescrText = "_____" | |
let managementText = " Management" | |
let partnershipsText = " Partnerships" | |
let vScroll = UIScrollView() | |
let vView = UIView() | |
let lblDescr = UILabel() | |
let btManagement = UIButton(type: .DetailDisclosure) | |
let btPartnerships = UIButton(type: .DetailDisclosure) | |
vScroll.contentOffset = CGPointZero | |
vScroll.contentInset = UIEdgeInsets(top: 5, left: 5, bottom: 5, right: 5) | |
lblDescr.text = companyDescrText | |
lblDescr.lineBreakMode = .ByWordWrapping | |
lblDescr.numberOfLines = 0 | |
lblDescr.sizeToFit() | |
lblDescr.font = defFont | |
lblDescr.preferredMaxLayoutWidth = self.view.frame.width - regularMarginSize | |
btManagement.setTitle(managementText, forState: .Normal) | |
btManagement.titleLabel?.font = defFont | |
btManagement.addTarget(self, action: "pressed:", forControlEvents: .TouchUpInside) | |
btPartnerships.setTitle(partnershipsText, forState: .Normal) | |
btPartnerships.titleLabel?.font = defFont | |
btPartnerships.addTarget(self, action: "pressed:", forControlEvents: .TouchUpInside) | |
let views = | |
[ | |
"vScroll": vScroll, | |
"vView": vView, | |
"lblDescr": lblDescr, | |
"btManagement": btManagement, | |
"btPartnerships": btPartnerships | |
] | |
vView.addSubview(lblDescr) | |
vView.addSubview(btManagement) | |
vView.addSubview(btPartnerships) | |
vScroll.addSubview(vView) | |
self.view.addSubview(vScroll) | |
vScroll.translatesAutoresizingMaskIntoConstraints = false | |
vView.translatesAutoresizingMaskIntoConstraints = false | |
lblDescr.translatesAutoresizingMaskIntoConstraints = false | |
btManagement.translatesAutoresizingMaskIntoConstraints = false | |
btPartnerships.translatesAutoresizingMaskIntoConstraints = false | |
let m = regularMarginSize //for readability | |
let n = navBarHeight | |
self.view.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|[vScroll]|", options: NSLayoutFormatOptions(), metrics: nil, views: views)) | |
self.view.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-\(n!)-[vScroll]|", options: NSLayoutFormatOptions(), metrics: nil, views: views)) | |
vScroll.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|[vView]|", options: NSLayoutFormatOptions(), metrics: nil, views: views)) | |
vScroll.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|[vView]|", options: NSLayoutFormatOptions(), metrics: nil, views: views)) | |
vView.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|-\(m)-[lblDescr]-\(m)-|", options: NSLayoutFormatOptions(), metrics: nil, views: views)) | |
vView.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-\(m)-[lblDescr]", options: NSLayoutFormatOptions(), metrics: nil, views: views)) | |
vView.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|-\(m)-[btManagement]", options: NSLayoutFormatOptions(), metrics: nil, views: views)) | |
vView.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:[lblDescr]-\(m)-[btManagement]", options: NSLayoutFormatOptions(), metrics: nil, views: views)) | |
vView.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|-\(m)-[btPartnerships]", options: NSLayoutFormatOptions(), metrics: nil, views: views)) | |
vView.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:[btManagement]-\(m)-[btPartnerships]-\(m)-|", options: NSLayoutFormatOptions(), metrics: nil, views: views)) | |
} | |
func pressed(sender: UIButton!) { | |
print("dsdsdsdsdsdsd") | |
} | |
} |
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