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@@ -0,0 +1,94 @@
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+//
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+// NewGroupMemberChoiceController.swift
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+// deltachat-ios
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+//
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+// Created by Alla Reinsch on 24.07.18.
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+// Copyright © 2018 Jonas Reinsch. All rights reserved.
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+//
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+
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+import UIKit
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+
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+class ViewController: UIViewController {
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+ override func viewDidLoad() {
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+ super.viewDidLoad()
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+
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+ let n:CGFloat = 150
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+ let l:CGFloat = 40
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+ let generalView = UIView()
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+ let square = UIView()
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+ square.layer.cornerRadius = n/2
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+ let nameLabel = UILabel()
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+ nameLabel.text = "Alic Doe"
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+ square.translatesAutoresizingMaskIntoConstraints = false
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+ nameLabel.translatesAutoresizingMaskIntoConstraints = false
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+ generalView.translatesAutoresizingMaskIntoConstraints = false
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+
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+ view.addSubview(generalView)
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+ view.addSubview(square)
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+ view.addSubview(nameLabel)
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+ generalView.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = true
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+ generalView.centerYAnchor.constraint(equalTo: view.centerYAnchor).isActive = true
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+ square.centerXAnchor.constraint(equalTo: generalView.centerXAnchor).isActive = true
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+ square.centerYAnchor.constraint(equalTo: generalView.centerYAnchor).isActive = true
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+ nameLabel.topAnchor.constraint(equalTo: square.bottomAnchor).isActive = true
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+ nameLabel.leadingAnchor.constraint(equalTo: square.leadingAnchor).isActive = true
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+
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+ square.widthAnchor.constraint(equalToConstant: n).isActive = true
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+ square.heightAnchor.constraint(equalToConstant: n).isActive = true
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+ nameLabel.widthAnchor.constraint(equalToConstant: n).isActive = true
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+ nameLabel.heightAnchor.constraint(equalToConstant: l).isActive = true
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+ generalView.widthAnchor.constraint(equalToConstant: n).isActive = true
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+ generalView.heightAnchor.constraint(equalToConstant: n + l).isActive = true
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+ square.backgroundColor = UIColor.blue
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+ nameLabel.backgroundColor = UIColor.green
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+ generalView.backgroundColor = UIColor.cyan
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+ nameLabel.textColor = UIColor.white
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+ nameLabel.font = UIFont.systemFont(ofSize: 14)
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+
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+ let deleteButton = UIButton()
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+ deleteButton.translatesAutoresizingMaskIntoConstraints = false
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+
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+ let sin45:CGFloat = 0.7071
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+ let squareRadius:CGFloat = n/2
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+ let deltaX:CGFloat = sin45 * squareRadius
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+ let deltaY:CGFloat = squareRadius - deltaX
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+ let deleteButtonWidth:CGFloat = deltaX
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+ let deleteButtonHeight:CGFloat = deltaX
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+ deleteButton.layer.cornerRadius = deleteButtonWidth/2
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+
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+ deleteButton.widthAnchor.constraint(equalToConstant: deleteButtonWidth).isActive = true
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+ deleteButton.heightAnchor.constraint(equalToConstant: deleteButtonHeight).isActive = true
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+ deleteButton.backgroundColor = UIColor.gray
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+ deleteButton.clipsToBounds = true
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+
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+ deleteButton.layer.borderWidth = 3
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+ deleteButton.layer.borderColor = UIColor.white.cgColor
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+ deleteButton.setTitle("✕", for: .normal)
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+ deleteButton.titleLabel?.font = UIFont.systemFont(ofSize: 30)
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+
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+ deleteButton.addTarget(self, action: #selector(didPressDeleteButton), for: .touchUpInside)
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+
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+ square.addSubview(deleteButton)
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+ deleteButton.centerYAnchor.constraint(equalTo: square.topAnchor, constant: deltaY).isActive = true
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+ deleteButton.centerXAnchor.constraint(equalTo: square.centerXAnchor, constant: deltaX).isActive = true
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+ }
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+
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+ @objc func didPressDeleteButton() {
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+ if view.backgroundColor == UIColor.red {
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+ view.backgroundColor = UIColor.white
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+ } else {
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+ view.backgroundColor = UIColor.red
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+ }
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+ }
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+
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+ override func didReceiveMemoryWarning() {
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+ super.didReceiveMemoryWarning()
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+ }
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+}
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+
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+
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+
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+
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+
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+
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+
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Alla Reinsch