initial

Pods/ESTabBarController-swift/Sources/ESTabBarItem.swift

@@ -0,0 +1,107 @@
+//
+//  ESTabBarController.swift
+//
+//  Created by Vincent Li on 2017/2/8.
+//  Copyright (c) 2013-2018 ESTabBarController (https://github.com/eggswift/ESTabBarController)
+//
+//  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.
+//
+
+import UIKit
+
+/*
+ * ESTabBarItem继承自UITabBarItem，目的是为ESTabBarItemContentView提供UITabBarItem属性的设置。
+ * 目前支持大多常用的属性，例如image, selectedImage, title, tag 等。
+ *
+ * Unsupport properties:
+ *  MARK: UIBarItem properties
+ *      1. var isEnabled: Bool
+ *      2. var landscapeImagePhone: UIImage?
+ *      3. var imageInsets: UIEdgeInsets
+ *      4.  var landscapeImagePhoneInsets: UIEdgeInsets
+ *      5. func setTitleTextAttributes(_ attributes: [String : Any]?, for state: UIControlState)
+ *      6. func titleTextAttributes(for state: UIControlState) -> [String : Any]?
+ *  MARK: UITabBarItem properties
+ *      7. var titlePositionAdjustment: UIOffset
+ *      8. func setBadgeTextAttributes(_ textAttributes: [String : Any]?, for state: UIControlState)
+ *      9. func badgeTextAttributes(for state: UIControlState) -> [String : Any]?
+ */
+@available(iOS 8.0, *)
+open class ESTabBarItem: UITabBarItem {
+    
+    /// Customize content view
+    open var contentView: ESTabBarItemContentView?
+    
+    // MARK: UIBarItem properties
+    open override var title: String? // default is nil
+        {
+        didSet { self.contentView?.title = title }
+    }
+    
+    open override var image: UIImage? // default is nil
+        {
+        didSet { self.contentView?.image = image }
+    }
+    
+    // MARK: UITabBarItem properties
+    open override var selectedImage: UIImage? // default is nil
+        {
+        didSet { self.contentView?.selectedImage = selectedImage }
+    }
+    
+    open override var badgeValue: String? // default is nil
+        {
+        get { return contentView?.badgeValue }
+        set(newValue) { contentView?.badgeValue = newValue }
+    }
+    
+    /// Override UITabBarItem.badgeColor, make it available for iOS8.0 and later.
+    /// If this item displays a badge, this color will be used for the badge's background. If set to nil, the default background color will be used instead.
+    @available(iOS 8.0, *)
+    open override var badgeColor: UIColor? {
+        get { return contentView?.badgeColor }
+        set(newValue) { contentView?.badgeColor = newValue }
+    }
+    
+    open override var tag: Int // default is 0
+        {
+        didSet { self.contentView?.tag = tag }
+    }
+    
+    /* The unselected image is autogenerated from the image argument. The selected image
+     is autogenerated from the selectedImage if provided and the image argument otherwise.
+     To prevent system coloring, provide images with UIImageRenderingModeAlwaysOriginal (see UIImage.h)
+     */
+    public init(_ contentView: ESTabBarItemContentView = ESTabBarItemContentView(), title: String? = nil, image: UIImage? = nil, selectedImage: UIImage? = nil, tag: Int = 0) {
+        super.init()
+        self.contentView = contentView
+        self.setTitle(title, image: image, selectedImage: selectedImage, tag: tag)
+    }
+    public required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    open func setTitle(_ title: String? = nil, image: UIImage? = nil, selectedImage: UIImage? = nil, tag: Int = 0) {
+        self.title = title
+        self.image = image
+        self.selectedImage = selectedImage
+        self.tag = tag
+    }
+    
+}