Beginning work on device cells

2015-12-31 15:41:32 -08:00
parent 5b535f5720
commit df0f72af23
7 changed files with 368 additions and 26 deletions
@@ -0,0 +1,105 @@
+//
+//  SwitchIndicatorView.swift
+//  XIONControlPanel
+//
+//  Created by Charles Magahern on 12/31/15.
+//  Copyright © 2015 XION. All rights reserved.
+//
+
+import UIKit
+
+class SwitchIndicatorView: UIView {
+    private var _status:            Bool = false
+    private var _foregroundColor:   UIColor = UIColor.whiteColor()
+    private var _outerCircleLayer:  CAShapeLayer = CAShapeLayer()
+    private var _offSymbolLayer:    CAShapeLayer = CAShapeLayer()
+    private var _onSymbolLayer:     CAShapeLayer = CAShapeLayer()
+    
+    static private var lineWidth: CGFloat = 2.0
+    
+    override init(frame: CGRect)
+    {
+        super.init(frame: frame)
+        
+        _outerCircleLayer.fillColor = UIColor.clearColor().CGColor
+        _outerCircleLayer.lineWidth = SwitchIndicatorView.lineWidth
+        
+        _offSymbolLayer.fillColor = UIColor.clearColor().CGColor
+        _offSymbolLayer.lineWidth = SwitchIndicatorView.lineWidth
+        
+        self.layer.addSublayer(_outerCircleLayer)
+        self.layer.addSublayer(_offSymbolLayer)
+        self.layer.addSublayer(_onSymbolLayer)
+        
+        self.status = false
+        self.foregroundColor = UIColor.whiteColor()
+    }
+    
+    required init?(coder aDecoder: NSCoder)
+    {
+        fatalError("unsupported")
+    }
+    
+    override func layoutSubviews()
+    {
+        super.layoutSubviews()
+        
+        let bounds = self.bounds
+        let lineWidth = SwitchIndicatorView.lineWidth
+        
+        _outerCircleLayer.frame = bounds
+        _offSymbolLayer.frame = bounds
+        _onSymbolLayer.frame = bounds
+        
+        _outerCircleLayer.path = CGPathCreateWithEllipseInRect(bounds, nil)
+        
+        let innerSize = CGSize(width: rint(bounds.size.width / 2.0), height: rint(bounds.size.height / 2.0))
+        let innerBounds = CGRect(
+            x: rint(bounds.size.width / 2.0 - innerSize.width / 2.0),
+            y: rint(bounds.size.height / 2.0 - innerSize.height / 2.0),
+            width: innerSize.width,
+            height: innerSize.height
+        )
+        _offSymbolLayer.path = CGPathCreateWithEllipseInRect(innerBounds, nil)
+        
+        let onSymbolSize = CGSize(width: lineWidth, height: innerSize.height)
+        let onSymbolRect = CGRect(
+            x: rint(bounds.size.width / 2.0 - onSymbolSize.width / 2.0),
+            y: rint(bounds.size.height / 2.0 - onSymbolSize.height / 2.0),
+            width: onSymbolSize.width,
+            height: onSymbolSize.height
+        )
+        _onSymbolLayer.path = CGPathCreateWithRect(onSymbolRect, nil)
+    }
+    
+    // MARK: API
+    
+    var status: Bool {
+        get
+        {
+            return _status
+        }
+        
+        set(status)
+        {
+            _status = status
+            _offSymbolLayer.hidden = _status
+            _onSymbolLayer.hidden = !_status
+        }
+    }
+    
+    var foregroundColor: UIColor {
+        get
+        {
+            return _foregroundColor
+        }
+        
+        set(color)
+        {
+            _foregroundColor = color
+            _outerCircleLayer.strokeColor = _foregroundColor.CGColor
+            _offSymbolLayer.strokeColor = _foregroundColor.CGColor
+            _onSymbolLayer.fillColor = _foregroundColor.CGColor
+        }
+    }
+}