Word Magnets - Day 6 and 7 Challenge

WordMagnets - ViewController.swift

//
//  ViewController.swift
//  Word Magnets
//
//  Created by Eloise Camire on 2014-10-11.
//  Copyright (c) 2014 Eloise Camire. All rights reserved.
//

import UIKit

class ViewController: UIViewController {
    @IBOutlet weak var wordInput: UITextField!
    @IBOutlet weak var bkgImage: UIImageView!
    
    var wordArray = ["I", "like", "to", "program", "app", "my", "favorite", "food", "pizza", "Eloise", "friends", "am", "are", "danger", "Mr. White", "Eisenberg"]
    



    //function to add RGB Color
    func UIColorFromRGB(rgbValue: UInt) -> UIColor {
        return UIColor(
            red: CGFloat((rgbValue & 0xFF0000) >> 16) / 255.0,
            green: CGFloat((rgbValue & 0x00FF00) >> 8) / 255.0,
            blue: CGFloat(rgbValue & 0x0000FF) / 255.0,
            alpha: CGFloat(1.0)
        )
    }


    override func viewDidLoad() {
        
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        
        createLabels()

        //view.backgroundColor = UIColor.yellowColor()
        view.backgroundColor = UIColorFromRGB(0xCCFF99)
        
        println("Size in points: \(view.bounds.size)")
        
        
        var bounds: CGRect = UIScreen.mainScreen().bounds
        var width:CGFloat = bounds.size.width
        var height:CGFloat = bounds.size.height
        
        bkgImage.sizeToFit()
        
    
    }
    
    
    
    
    func handlePanGesture(panGesture: UIPanGestureRecognizer){
        
        println("pan")
        
        // get the translation
        var translation = panGesture.translationInView(view)
        panGesture.setTranslation(CGPointZero, inView: view)
        println(translation)
        
        // add dx, dy to current label center position
        var label = panGesture.view as UILabel
        label.center = CGPoint(
            x: label.center.x + translation.x,
            y: label.center.y + translation.y)
        
        
        // add velocity when pan gesture end - code from Caroline Begbie tutorial at raywenderlich.com
        if panGesture.state == UIGestureRecognizerState.Ended {
            // 1
            let velocity = panGesture.velocityInView(self.view)
            let magnitude = sqrt((velocity.x * velocity.x) + (velocity.y * velocity.y))
            let slideMultiplier = magnitude / 200
            println("magnitude: \(magnitude), slideMultiplier: \(slideMultiplier)")
            
            // 2
            let slideFactor = 0.05 * slideMultiplier     //Increase for more of a slide
            // 3
            var finalPoint = CGPoint(x:panGesture.view!.center.x + (velocity.x * slideFactor),
                y:panGesture.view!.center.y + (velocity.y * slideFactor))
            // 4
            finalPoint.x = min(max(finalPoint.x, 0), self.view.bounds.size.width)
            finalPoint.y = min(max(finalPoint.y, 0), self.view.bounds.size.height)
            
            // 5
            UIView.animateWithDuration(Double(slideFactor * 1.5),
                delay: 0,
                // 6
                options: UIViewAnimationOptions.CurveEaseOut,
                animations: {panGesture.view!.center = finalPoint },
                completion: nil)
        }
        
    }
    
    
    
    // create a new label and add new item to original array
    
    
    func addNewLabel(){
        var newWord = wordInput.text
        wordArray.append(newWord)
        println(wordArray)
        var label = UILabel()
        label.text = newWord // variable index, circle to all array
        label.font = UIFont(name: "Georgia", size: 28) // change font
        
        label.sizeToFit()
        
        //label.center = CGPoint(x: 180, y: 480)
        
        // find screen size to place new label near add button
        var bounds: CGRect = UIScreen.mainScreen().bounds
        var width:CGFloat = bounds.size.width
        var height:CGFloat = bounds.size.height
        label.center = CGPoint(x: width - 100, y: height - 90) // position new label near screen bounds
        label.backgroundColor = UIColorFromRGB(0xffffff)
        
        view.addSubview(label)

        
        // Pan Gesture
        
        var panGesture = UIPanGestureRecognizer(target: self, action: Selector("handlePanGesture:"))
        label.addGestureRecognizer(panGesture)
        label.userInteractionEnabled = true

    }
    
    
    // Add all label in array to the view
    
    func createLabels(){
        
        for word in wordArray {
            var label = UILabel()
            label.text = word // variable index, circle to all array
            label.font = UIFont(name: "Georgia", size: 28)
            label.sizeToFit()
            
            //label.center = CGPoint(x: 200, y: 200)
            label.backgroundColor = UIColor.whiteColor()
            
            
//             NOT WORKING attempt to set the random value within screen size... so that label use more space or bigger screen

//            var bounds: CGRect = UIScreen.mainScreen().bounds
//            var width = bounds.size.width
//            var height = bounds.size.height
//            var x = CGFloat(arc4random_uniform(width))
//            var y = CGFloat(arc4random_uniform(height))
            
            var x = CGFloat(arc4random_uniform(300))
            var y = CGFloat(arc4random_uniform(480))
            label.center = CGPoint(x: x, y: y)
            
            view.addSubview(label)
            
            // Pan Gesture
            var panGesture = UIPanGestureRecognizer(target: self, action: Selector("handlePanGesture:"))
            label.addGestureRecognizer(panGesture)
            label.userInteractionEnabled = true //because label are not interactive by default, we have to add that
            
        }
        
        
    }
    
    
    
    
    
    // store new word from textfield
    @IBAction func wordInputChanged(sender: UITextField) {
        //println("CA CHANGE")
        var newWord = wordInput.text
    }
    
    @IBAction func addButtonPressed(sender: AnyObject) {
        //println("BUTTON!")
        addNewLabel()
    }
    


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

}