Added SPLargeActionButton.

Author: ivanvorobei

Example Apps/SparrowKit.xcodeproj/project.xcworkspace/xcuserdata/ivanvorobei.xcuserdatad/UserInterfaceState.xcuserstate

@@ -0,0 +1,105 @@
+// The MIT License (MIT)
+// Copyright © 2020 Ivan Vorobei ([email protected])
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+#if canImport(UIKit) && (os(iOS))
+import UIKit
+
+/**
+ SparrowKit: Large action button.
+ Usually using at bottom of screen.
+ */
+open class SPLargeActionButton: SPDimmedButton {
+    
+    // MARK: - Data
+    
+    /**
+     SparrowKit: Higlight style when button pressing.
+     
+     If set content, only label and image change opacity.
+     If choosed background, area of button will change opacity.
+     */
+    open var higlightStyle = HiglightStyle.default
+    
+    // MARK: - Init
+    
+    open override func commonInit() {
+        super.commonInit()
+        titleLabel?.font = UIFont.preferredFont(forTextStyle: .headline, addPoints: 1)
+        titleLabel?.numberOfLines = 1
+        titleImageInset = 6
+    }
+    
+    // MARK: - Public
+    
+    /**
+     SparrowKit: Wrapper of set content and color of button.
+     
+     - parameter title: Text which using like title.
+     - parameter icon: Object of `UIImage`, using like icon.
+     - parameter colorise: Color of button in default state.
+     */
+    public func set(title: String, icon: UIImage?, colorise: SPDimmedButton.Colorise) {
+        setTitle(title)
+        if let icon = icon {
+            setImage(icon.alwaysTemplate)
+        }
+        applyDefaultAppearance(with: colorise)
+    }
+    
+    // MARK: - Layout
+    
+    open override func layoutSubviews() {
+        super.layoutSubviews()
+        roundCorners(radius: 15)
+    }
+    
+    open override func sizeThatFits(_ size: CGSize) -> CGSize {
+        return CGSize(width: size.width, height: 50)
+    }
+    
+    // MARK: - Ovveride
+    
+    open override var isHighlighted: Bool {
+        didSet {
+            let higlightAlpha: CGFloat = 0.6
+            switch higlightStyle {
+            case .content:
+                for view in [imageView, titleLabel] { view?.alpha = isHighlighted ? higlightAlpha : 1 }
+            case .background:
+                let color = backgroundColor
+                backgroundColor = color?.withAlphaComponent(isHighlighted ? higlightAlpha : 1)
+            }
+        }
+    }
+    
+    // MARK: - Models
+    
+    public enum HiglightStyle {
+        
+        case content
+        case background
+        
+        static var `default`: HiglightStyle {
+            return .background
+        }
+    }
+}
+#endif