added iOS source code

[wl-app.git] / iOS / WolneLektury / Extensions / UIView+Ext.swift

diff --git a/iOS/WolneLektury/Extensions/UIView+Ext.swift b/iOS/WolneLektury/Extensions/UIView+Ext.swift
new file mode 100644 (file)
index 0000000..2cb0a02
--- /dev/null
+++ b/iOS/WolneLektury/Extensions/UIView+Ext.swift
@@ -0,0 +1,56 @@
+//
+//  UIView+Ext.swift
+//  WolneLektury
+//
+//  Created by Pawel Dabrowski on 30/05/2018.
+//  Copyright © 2018 Fundacja Nowoczesna Polska. All rights reserved.
+//
+
+import Foundation
+
+import UIKit
+
+extension UIView{
+    func addConstraintsFllingContainer(toView: UIView){
+        
+        toView.translatesAutoresizingMaskIntoConstraints = false
+        let viewsDictionary:[String: AnyObject] = ["toView": toView]
+        
+        addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "V:|[toView]|", options: [], metrics: nil, views: viewsDictionary))
+        addConstraints(NSLayoutConstraint.constraints(withVisualFormat: "H:|[toView]|", options: [], metrics: nil, views: viewsDictionary))
+    }
+    
+    func centerInSuperview() {
+        self.centerHorizontallyInSuperview()
+        self.centerVerticallyInSuperview()
+    }
+    
+    func addConstraingWidth(width: CGFloat){
+        let c: NSLayoutConstraint = NSLayoutConstraint(item: self, attribute: .width, relatedBy: .equal, toItem: nil, attribute: .notAnAttribute, multiplier: 1, constant: width)
+        addConstraint(c)
+    }
+    
+    func centerHorizontallyInSuperview(){
+        let c: NSLayoutConstraint = NSLayoutConstraint(item: self, attribute: .centerX, relatedBy: .equal, toItem: self.superview, attribute: .centerX, multiplier: 1, constant: 0)
+        self.superview?.addConstraint(c)
+    }
+    
+    func centerVerticallyInSuperview(){
+        let c: NSLayoutConstraint = NSLayoutConstraint(item: self, attribute: .centerY, relatedBy: .equal, toItem: self.superview, attribute: .centerY, multiplier: 1, constant: 0)
+        self.superview?.addConstraint(c)
+    }
+    
+    func addDropShadow(height: CGFloat = 2, radius: CGFloat = 3) {
+        layer.masksToBounds = false
+        layer.shadowColor = UIColor.black.cgColor
+        layer.shadowOffset = CGSize(width: 0, height: height)
+        layer.shadowOpacity = 0.2
+        layer.shadowRadius = radius
+    }
+    
+    func rotate(angle: Double) {
+        let radians = angle / 180.0 * Double.pi
+        let rotation = CGAffineTransform.init(rotationAngle:CGFloat(radians))// CGAffineTransformRotate(self.transform, CGFloat(radians));
+        self.transform = rotation
+    }
+}