source-code

source-code/ALTs/AltStore/Settings/InsetGroupTableViewCell.swift

@@ -0,0 +1,132 @@
+//
+//  InsetGroupTableViewCell.swift
+//  AltStore
+//
+//  Created by Riley Testut on 8/31/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+import UIKit
+
+extension InsetGroupTableViewCell
+{
+    @objc enum Style: Int
+    {
+        case single
+        case top
+        case middle
+        case bottom
+    }
+}
+
+class InsetGroupTableViewCell: UITableViewCell
+{
+#if !TARGET_INTERFACE_BUILDER
+    @IBInspectable var style: Style = .single {
+        didSet {
+            self.update()
+        }
+    }
+#else
+    @IBInspectable var style: Int = 0
+#endif
+    
+    @IBInspectable var isSelectable: Bool = false
+    
+    private let separatorView = UIView()
+    private let insetView = UIView()
+    
+    override func awakeFromNib()
+    {
+        super.awakeFromNib()
+        
+        self.selectionStyle = .none
+        
+        self.separatorView.translatesAutoresizingMaskIntoConstraints = false
+        self.separatorView.backgroundColor = UIColor.white.withAlphaComponent(0.25)
+        self.addSubview(self.separatorView)
+        
+        self.insetView.layer.masksToBounds = true
+        self.insetView.layer.cornerRadius = 16
+        
+        // Get the preferred background color from Interface Builder.
+        self.insetView.backgroundColor = self.backgroundColor
+        self.backgroundColor = nil
+        
+        self.addSubview(self.insetView, pinningEdgesWith: UIEdgeInsets(top: 0, left: 15, bottom: 0, right: 15))
+        self.sendSubviewToBack(self.insetView)
+        
+        NSLayoutConstraint.activate([self.separatorView.leadingAnchor.constraint(equalTo: self.leadingAnchor, constant: 30),
+                                     self.separatorView.trailingAnchor.constraint(equalTo: self.trailingAnchor, constant: -30),
+                                     self.separatorView.bottomAnchor.constraint(equalTo: self.bottomAnchor),
+                                     self.separatorView.heightAnchor.constraint(equalToConstant: 1)])
+        
+        self.update()
+    }
+    
+    override func setSelected(_ selected: Bool, animated: Bool)
+    {
+        super.setSelected(selected, animated: animated)
+        
+        if animated
+        {
+            UIView.animate(withDuration: 0.4) {
+                self.update()
+            }
+        }
+        else
+        {
+            self.update()
+        }
+    }
+    
+    override func setHighlighted(_ highlighted: Bool, animated: Bool)
+    {
+        super.setHighlighted(highlighted, animated: animated)
+        
+        if animated
+        {
+            UIView.animate(withDuration: 0.4) {
+                self.update()
+            }
+        }
+        else
+        {
+            self.update()
+        }
+    }
+}
+
+private extension InsetGroupTableViewCell
+{
+    func update()
+    {
+        switch self.style
+        {
+        case .single:
+            self.insetView.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner, .layerMinXMaxYCorner, .layerMaxXMaxYCorner]
+            self.separatorView.isHidden = true
+            
+        case .top:
+            self.insetView.layer.maskedCorners = [.layerMinXMinYCorner, .layerMaxXMinYCorner]
+            self.separatorView.isHidden = false
+            
+        case .middle:
+            self.insetView.layer.maskedCorners = []
+            self.separatorView.isHidden = false
+            
+        case .bottom:
+            self.insetView.layer.maskedCorners = [.layerMinXMaxYCorner, .layerMaxXMaxYCorner]
+            self.separatorView.isHidden = true
+        }
+        
+        if self.isSelectable && (self.isHighlighted || self.isSelected)
+        {
+            self.insetView.backgroundColor = UIColor.white.withAlphaComponent(0.55)
+        }
+        else
+        {
+            self.insetView.backgroundColor = UIColor.white.withAlphaComponent(0.25)
+        }
+    }
+}