/*
* Copyright (C) 2015 - 2016, Daniel Dahan and CosmicMind, Inc. <http://cosmicmind.io>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
*	*	Redistributions of source code must retain the above copyright notice, this
*		list of conditions and the following disclaimer.
*
*	*	Redistributions in binary form must reproduce the above copyright notice,
*		this list of conditions and the following disclaimer in the documentation
*		and/or other materials provided with the distribution.
*
*	*	Neither the name of Material nor the names of its
*		contributors may be used to endorse or promote products derived from
*		this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/**
MaterialLayout is an excellent tool to ease the use of AutoLayout. The following
examples demonstrate laying out a collection of UILabel objects, both vertically
and horizontally.
*/

import UIKit
import Material

class ViewController: UIViewController {
	override func viewDidLoad() {
		super.viewDidLoad()
		prepareView()
		prepareAlignToParentHorizontallyExample()
		prepareAlignToParentVerticallyExample()
	}
	
	/// General preparation statements are placed here.
    @IBOutlet weak var heightConstraint: NSLayoutConstraint!
    @IBOutlet weak var navigationBarViewConstraint: NavigationBarView!
	private func prepareView() {
		view.backgroundColor = MaterialColor.white
	}
	
	/// Layout views horizontally with equal width.
	private func prepareAlignToParentHorizontallyExample() {
		let label1: UILabel = UILabel()
		label1.translatesAutoresizingMaskIntoConstraints = false
		label1.backgroundColor = MaterialColor.red.base
		label1.text = "A"
		label1.textAlignment = .Center
		view.addSubview(label1)
		
		let label2: UILabel = UILabel()
		label2.translatesAutoresizingMaskIntoConstraints = false
		label2.backgroundColor = MaterialColor.green.base
		label2.text = "B"
		label2.textAlignment = .Center
		view.addSubview(label2)
		
		let label3: UILabel = UILabel()
		label3.translatesAutoresizingMaskIntoConstraints = false
		label3.backgroundColor = MaterialColor.blue.base
		label3.text = "C"
		label3.textAlignment = .Center
		view.addSubview(label3)
		
		let label4: UILabel = UILabel()
		label4.translatesAutoresizingMaskIntoConstraints = false
		label4.backgroundColor = MaterialColor.yellow.base
		label4.text = "D"
		label4.textAlignment = .Center
		view.addSubview(label4)
		
		let children: Array<UIView> = [label1, label2, label3, label4]
		
		// Align the labels horizontally with an equal width.
		MaterialLayout.alignToParentHorizontally(view, children: children, left: 30, right: 30, spacing: 30)
		
		/*
		Individually set the labels' vertical alignment.
		If this is left out, the intrinsic value is used for the view.
		*/
		for v in children {
			MaterialLayout.alignToParentVertically(view, child: v, top: 100, bottom: 100)
		}
		
		// Print out the dimensions of the labels.
		for v in children {
			v.layoutIfNeeded()
			print(v.frame)
		}
	}
	
	/// Layout views vertically with equal height.
	private func prepareAlignToParentVerticallyExample() {
		let label1: UILabel = UILabel()
		label1.translatesAutoresizingMaskIntoConstraints = false
		label1.backgroundColor = MaterialColor.red.base
		label1.text = "A"
		label1.textAlignment = .Center
		view.addSubview(label1)
		
		let label2: UILabel = UILabel()
		label2.translatesAutoresizingMaskIntoConstraints = false
		label2.backgroundColor = MaterialColor.green.base
		label2.text = "B"
		label2.textAlignment = .Center
		view.addSubview(label2)
		
		let label3: UILabel = UILabel()
		label3.translatesAutoresizingMaskIntoConstraints = false
		label3.backgroundColor = MaterialColor.blue.base
		label3.text = "C"
		label3.textAlignment = .Center
		view.addSubview(label3)
		
		let label4: UILabel = UILabel()
		label4.translatesAutoresizingMaskIntoConstraints = false
		label4.backgroundColor = MaterialColor.yellow.base
		label4.text = "D"
		label4.textAlignment = .Center
		view.addSubview(label4)
		
		let children: Array<UIView> = [label1, label2, label3, label4]
		
		// Align the labels vertically with an equal height.
		MaterialLayout.alignToParentVertically(view, children: children, top: 100, bottom: 100, spacing: 100)
		
		/*
		Individually set the labels' horizontal alignment.
		If this is left out, the intrinsic value is used for the view.
		*/
		for v in children {
			MaterialLayout.alignToParentHorizontally(view, child: v, left: 100, right: 100)
		}
		
		// Print out the dimensions of the labels.
		for v in children {
			v.layoutIfNeeded()
			print(v.frame)
		}
	}
}

