GMiOS/MenuCollectionViewCell.swift

// Copyright (C) 2016 Inigo Valentin
//
// This file is part of the Gasteizko Margolariak IOS app.
//
// The Gasteizko Margolariak IOS app is free software: you can
// redistribute it and/or modify it under the terms of the
// GNU General Public License as published by the Free Software
// Foundation, either version 3 of the License, or (at your
// option) any later version.
//
// The Gasteizko Margolariak IOS app is distributed in the
// hope that it will be useful, but WITHOUT ANY WARRANTY;
// without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
// Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with the Gasteizko Margolariak IOS app.
// If not, see <http://www.gnu.org/licenses/>.

import UIKit

private let highlightedColor = UIColor(rgb: 0xD8D8D8)

/**
 Extension of UICollectionViewCell for the main menu.
 */
class MenuCollectionViewCell: UICollectionViewCell {
	
	@IBOutlet weak var label: UILabel!
 
	@IBOutlet weak var bar: UIView!
	
	var shouldTintBackgroundWhenSelected = true // You can change default value
	var specialHighlightedArea: UIView?
	
	override var isHighlighted: Bool { // make lightgray background show immediately
		willSet {
			onSelected(newValue)
		}
	}
	override var isSelected: Bool { // keep lightGray background until unselected
		willSet {
			onSelected(newValue)
		}
	}
	func onSelected(_ newValue: Bool) {
		//self.bar.backgroundColor = UIColor(red: 90/255, green: 180/255, blue: 255/255, alpha: 1)
		//self.label.font = UIFont.boldSystemFont(ofSize: self.label.font.pointSize)
		guard selectedBackgroundView == nil else { return }
		if newValue == true {
			//contentView.backgroundColor = newValue ? highlightedColor : UIColor.clear
			self.bar.backgroundColor = UIColor(red: 148/255, green: 209/255, blue: 255/255, alpha: 1)
			self.label.font = UIFont.boldSystemFont(ofSize: self.label.font.pointSize)
			self.label.textColor = UIColor(red: 255/255, green: 255/255, blue: 255/255, alpha: 1)
		}
		else{
			self.bar.backgroundColor = UIColor(red: 90/255, green: 180/255, blue: 255/255, alpha: 1)
			self.label.font = UIFont.systemFont(ofSize: self.label.font.pointSize)
			self.label.textColor = UIColor(red: 200/255, green: 200/255, blue: 200/255, alpha: 1)
		}
	}
}

extension UIColor {
	convenience init(rgb: Int, alpha: CGFloat = 1.0) {
		self.init(red: CGFloat((rgb & 0xFF0000) >> 16) / 255.0, green: CGFloat((rgb & 0xFF00) >> 8) / 255.0, blue: CGFloat(rgb & 0xFF) / 255.0, alpha: alpha)
	}
}