anjnkmr · May 20, 2017 04:49
diff --git a/AndroContextMenu.swift b/AndroContextMenu.swift
 import UIKit

 class AndroContextMenuAppearance{
    static var MAX_HEIGHT: CGFloat = 300;
    static var WIDTH: CGFloat = 200;
 }

 class AndroContextMenu{
    let screenSize = UIScreen.main.bounds;
    var options = [AndroContextMenuItem]();
    let contextMenuController = AndroContextMenuController();
    let viewController: UIViewController!
    var anchorPoint: CGPoint!;
    var height: CGFloat = AndroContextMenuAppearance.MAX_HEIGHT;
    var width: CGFloat = AndroContextMenuAppearance.WIDTH;
    var convertedRect: CGRect!;
    
    init(viewController: UIViewController, sourceView: UIView, parentView: UIView){
        self.viewController = viewController;
        convertedRect = parentView.convert(sourceView.frame, to: viewController.view);
        populateAnchorPoint(convertedRect);
        assert(self.viewController != nil, "viewController property should be assigned on constructor, so menu will be presented on that viewController");
        prepare();
    }
    
    func populateAnchorPoint(_ rect: CGRect){
        var x: CGFloat = rect.minX - width + 5;
        var y: CGFloat = rect.maxY - 5;
        
        //Setting x Coordinate
        if x < 0{
            x = rect.maxX - 5;
        }
        if x + width > screenSize.width{
            x = rect.midX - width/2;
        }
        
        
        //Setting y Coordinate
        if y + height > screenSize.height{
            y = rect.minY - height + 5;
        }
        if y < 0{
            y = rect.midY - height/2;
        }
        
        anchorPoint = CGPoint(x: x, y: y);
        
    }
    
    private func prepare(){
        contextMenuController.menu = self;
        contextMenuController.modalPresentationStyle = .overCurrentContext;
        contextMenuController.modalTransitionStyle = .crossDissolve;
    }
    
    func show(){
        height = CGFloat(options.count * 44);
        if height > AndroContextMenuAppearance.MAX_HEIGHT{
            height = AndroContextMenuAppearance.MAX_HEIGHT;
        }
        populateAnchorPoint(convertedRect);
        viewController.present(contextMenuController, animated: true, completion: nil);
    }
    
    func addOption(_ option: AndroContextMenuItem){
        options.append(option);
    }
 }

 extension UIViewController{
    func showAndroContextMenu(with options: [AndroContextMenuItem], sourceView: UIView, parentView: UIView){
        let menu = AndroContextMenu(viewController: self, sourceView: sourceView, parentView: parentView);
        for option in options{
            menu.addOption(option);
        }
        menu.show();
    }
 }

 class AndroContextMenuController: UIViewController {
    let tableView = UITableView();
    let button = UIButton();
    var menu: AndroContextMenu!;
    
    override func viewDidLoad() {
        super.viewDidLoad();
        self.view.backgroundColor = UIColor.black.withAlphaComponent(0.3);
        button.frame = self.view.bounds;
        button.backgroundColor = UIColor.clear;
        button.addTarget(self, action: #selector(AndroContextMenuController.dismissThis), for: .touchUpInside);
        self.view.addSubview(button);
        assert(menu != nil, "menu should not be null");
        tableView.delegate = self;
        tableView.dataSource = self;
        tableView.frame.origin = menu.anchorPoint;
        tableView.frame.size = CGSize(width: menu.width, height: menu.height);
        tableView.separatorStyle = .none;
        tableView.backgroundColor = UIColor.white;
        tableView.layer.cornerRadius = 5;
        tableView.clipsToBounds = true;
        tableView.isScrollEnabled = AndroContextMenuAppearance.MAX_HEIGHT == menu.height;
        self.view.addSubview(tableView);
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning();
    }
    
    func dismissThis(){
        self.dismiss(animated: true, completion: nil);
    }
 }

 extension AndroContextMenuController: UITableViewDelegate, UITableViewDataSource{
    func numberOfSections(in tableView: UITableView) -> Int {
        return 1;
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return menu.options.count;
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = UITableViewCell();
        let menuItem = menu.options[indexPath.row];
        cell.textLabel?.text = menuItem.title;
        cell.textLabel?.textColor = menuItem.titleColor;
        return cell;
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        let menuItem = menu.options[indexPath.row];
        menuItem.action?(menuItem);
        self.dismissThis();
    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return 44;
    }
 }

 class AndroContextMenuItem{
    var title: String = "";
    var action: ((AndroContextMenuItem)->())? = nil;
    var titleColor: UIColor = UIColor.black;
    
    init(title: String, action: ((AndroContextMenuItem)->())? = nil, titleColor: UIColor? = nil){
        self.title = title;
        self.action = action;
        if titleColor != nil{
            self.titleColor = titleColor!;
        }
    }
 }
diff --git a/ViewController.swift b/ViewController.swift
 import UIKit

 class ViewController: UIViewController {

    
    @IBOutlet var buttons: [UIButton]!
    var options = [AndroContextMenuItem]();
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        for button in buttons{
            button.addTarget(self, action: #selector(ViewController.contextMenuTapped(sender:)), for: .touchUpInside);
        }
        
        var values = ["Edit", "Post on Facebook", "Tweet", "Others", "Delete"];
        var colors = [nil, nil, nil, nil, UIColor.red];
        
        for i in 0..<values.count{
            let val = values[i];
            let col = colors[i];
            let option = AndroContextMenuItem(title: val, action: { (menuItem) in
                print("Option Selected: \(menuItem.title)");
            }, titleColor: col);
            options.append(option);
        }
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }


    func contextMenuTapped(sender: UIButton){
        print("Button Tapped: \(sender)");
        self.showAndroContextMenu(with: options, sourceView: sender, parentView: self.view);
    }
    
 }
	import UIKit

	class AndroContextMenuAppearance{
	static var MAX_HEIGHT: CGFloat = 300;
	static var WIDTH: CGFloat = 200;
	}

	class AndroContextMenu{
	let screenSize = UIScreen.main.bounds;
	var options = [AndroContextMenuItem]();
	let contextMenuController = AndroContextMenuController();
	let viewController: UIViewController!
	var anchorPoint: CGPoint!;
	var height: CGFloat = AndroContextMenuAppearance.MAX_HEIGHT;
	var width: CGFloat = AndroContextMenuAppearance.WIDTH;
	var convertedRect: CGRect!;

	init(viewController: UIViewController, sourceView: UIView, parentView: UIView){
	self.viewController = viewController;
	convertedRect = parentView.convert(sourceView.frame, to: viewController.view);
	populateAnchorPoint(convertedRect);
	assert(self.viewController != nil, "viewController property should be assigned on constructor, so menu will be presented on that viewController");
	prepare();
	}

	func populateAnchorPoint(_ rect: CGRect){
	var x: CGFloat = rect.minX - width + 5;
	var y: CGFloat = rect.maxY - 5;

	//Setting x Coordinate
	if x < 0{
	x = rect.maxX - 5;
	}
	if x + width > screenSize.width{
	x = rect.midX - width/2;
	}


	//Setting y Coordinate
	if y + height > screenSize.height{
	y = rect.minY - height + 5;
	}
	if y < 0{
	y = rect.midY - height/2;
	}

	anchorPoint = CGPoint(x: x, y: y);

	}

	private func prepare(){
	contextMenuController.menu = self;
	contextMenuController.modalPresentationStyle = .overCurrentContext;
	contextMenuController.modalTransitionStyle = .crossDissolve;
	}

	func show(){
	height = CGFloat(options.count * 44);
	if height > AndroContextMenuAppearance.MAX_HEIGHT{
	height = AndroContextMenuAppearance.MAX_HEIGHT;
	}
	populateAnchorPoint(convertedRect);
	viewController.present(contextMenuController, animated: true, completion: nil);
	}

	func addOption(_ option: AndroContextMenuItem){
	options.append(option);
	}
	}

	extension UIViewController{
	func showAndroContextMenu(with options: [AndroContextMenuItem], sourceView: UIView, parentView: UIView){
	let menu = AndroContextMenu(viewController: self, sourceView: sourceView, parentView: parentView);
	for option in options{
	menu.addOption(option);
	}
	menu.show();
	}
	}

	class AndroContextMenuController: UIViewController {
	let tableView = UITableView();
	let button = UIButton();
	var menu: AndroContextMenu!;

	override func viewDidLoad() {
	super.viewDidLoad();
	self.view.backgroundColor = UIColor.black.withAlphaComponent(0.3);
	button.frame = self.view.bounds;
	button.backgroundColor = UIColor.clear;
	button.addTarget(self, action: #selector(AndroContextMenuController.dismissThis), for: .touchUpInside);
	self.view.addSubview(button);
	assert(menu != nil, "menu should not be null");
	tableView.delegate = self;
	tableView.dataSource = self;
	tableView.frame.origin = menu.anchorPoint;
	tableView.frame.size = CGSize(width: menu.width, height: menu.height);
	tableView.separatorStyle = .none;
	tableView.backgroundColor = UIColor.white;
	tableView.layer.cornerRadius = 5;
	tableView.clipsToBounds = true;
	tableView.isScrollEnabled = AndroContextMenuAppearance.MAX_HEIGHT == menu.height;
	self.view.addSubview(tableView);
	}

	override func didReceiveMemoryWarning() {
	super.didReceiveMemoryWarning();
	}

	func dismissThis(){
	self.dismiss(animated: true, completion: nil);
	}
	}

	extension AndroContextMenuController: UITableViewDelegate, UITableViewDataSource{
	func numberOfSections(in tableView: UITableView) -> Int {
	return 1;
	}

	func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
	return menu.options.count;
	}

	func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
	let cell = UITableViewCell();
	let menuItem = menu.options[indexPath.row];
	cell.textLabel?.text = menuItem.title;
	cell.textLabel?.textColor = menuItem.titleColor;
	return cell;
	}

	func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
	let menuItem = menu.options[indexPath.row];
	menuItem.action?(menuItem);
	self.dismissThis();
	}

	func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
	return 44;
	}
	}

	class AndroContextMenuItem{
	var title: String = "";
	var action: ((AndroContextMenuItem)->())? = nil;
	var titleColor: UIColor = UIColor.black;

	init(title: String, action: ((AndroContextMenuItem)->())? = nil, titleColor: UIColor? = nil){
	self.title = title;
	self.action = action;
	if titleColor != nil{
	self.titleColor = titleColor!;
	}
	}
	}
	import UIKit

	class ViewController: UIViewController {


	@IBOutlet var buttons: [UIButton]!
	var options = [AndroContextMenuItem]();

	override func viewDidLoad() {
	super.viewDidLoad()

	for button in buttons{
	button.addTarget(self, action: #selector(ViewController.contextMenuTapped(sender:)), for: .touchUpInside);
	}

	var values = ["Edit", "Post on Facebook", "Tweet", "Others", "Delete"];
	var colors = [nil, nil, nil, nil, UIColor.red];

	for i in 0..<values.count{
	let val = values[i];
	let col = colors[i];
	let option = AndroContextMenuItem(title: val, action: { (menuItem) in
	print("Option Selected: \(menuItem.title)");
	}, titleColor: col);
	options.append(option);
	}
	}

	override func didReceiveMemoryWarning() {
	super.didReceiveMemoryWarning()
	// Dispose of any resources that can be recreated.
	}


	func contextMenuTapped(sender: UIButton){
	print("Button Tapped: \(sender)");
	self.showAndroContextMenu(with: options, sourceView: sender, parentView: self.view);
	}

	}