108 lines
4.4 KiB
Swift
108 lines
4.4 KiB
Swift
//
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// ESTabBarController.swift
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//
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// Created by Vincent Li on 2017/2/8.
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// Copyright (c) 2013-2018 ESTabBarController (https://github.com/eggswift/ESTabBarController)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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import UIKit
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/*
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* ESTabBarItem继承自UITabBarItem，目的是为ESTabBarItemContentView提供UITabBarItem属性的设置。
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* 目前支持大多常用的属性，例如image, selectedImage, title, tag 等。
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*
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* Unsupport properties:
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* MARK: UIBarItem properties
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* 1. var isEnabled: Bool
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* 2. var landscapeImagePhone: UIImage?
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* 3. var imageInsets: UIEdgeInsets
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* 4. var landscapeImagePhoneInsets: UIEdgeInsets
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* 5. func setTitleTextAttributes(_ attributes: [String : Any]?, for state: UIControlState)
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* 6. func titleTextAttributes(for state: UIControlState) -> [String : Any]?
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* MARK: UITabBarItem properties
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* 7. var titlePositionAdjustment: UIOffset
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* 8. func setBadgeTextAttributes(_ textAttributes: [String : Any]?, for state: UIControlState)
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* 9. func badgeTextAttributes(for state: UIControlState) -> [String : Any]?
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*/
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@available(iOS 8.0, *)
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open class ESTabBarItem: UITabBarItem {
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/// Customize content view
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open var contentView: ESTabBarItemContentView?
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// MARK: UIBarItem properties
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open override var title: String? // default is nil
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{
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didSet { self.contentView?.title = title }
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}
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open override var image: UIImage? // default is nil
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{
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didSet { self.contentView?.image = image }
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}
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// MARK: UITabBarItem properties
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open override var selectedImage: UIImage? // default is nil
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{
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didSet { self.contentView?.selectedImage = selectedImage }
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}
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open override var badgeValue: String? // default is nil
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{
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get { return contentView?.badgeValue }
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set(newValue) { contentView?.badgeValue = newValue }
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}
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/// Override UITabBarItem.badgeColor, make it available for iOS8.0 and later.
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/// 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.
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@available(iOS 8.0, *)
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open override var badgeColor: UIColor? {
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get { return contentView?.badgeColor }
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set(newValue) { contentView?.badgeColor = newValue }
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}
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open override var tag: Int // default is 0
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{
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didSet { self.contentView?.tag = tag }
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}
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/* The unselected image is autogenerated from the image argument. The selected image
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is autogenerated from the selectedImage if provided and the image argument otherwise.
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To prevent system coloring, provide images with UIImageRenderingModeAlwaysOriginal (see UIImage.h)
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*/
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public init(_ contentView: ESTabBarItemContentView = ESTabBarItemContentView(), title: String? = nil, image: UIImage? = nil, selectedImage: UIImage? = nil, tag: Int = 0) {
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super.init()
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self.contentView = contentView
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self.setTitle(title, image: image, selectedImage: selectedImage, tag: tag)
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}
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public required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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open func setTitle(_ title: String? = nil, image: UIImage? = nil, selectedImage: UIImage? = nil, tag: Int = 0) {
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self.title = title
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self.image = image
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self.selectedImage = selectedImage
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self.tag = tag
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}
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}
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