WIP adapter first version

Author: sergey

RxDataSources.xcodeproj/project.pbxproj

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 				C85EE5541C36F1FC0090614D /* RxTableViewSectionedAnimatedDataSource.swift */,
 				C85EE5551C36F1FC0090614D /* RxTableViewSectionedReloadDataSource.swift */,
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Sources/DataSources+Rx/RxPickerViewAdapter.swift

@@ -0,0 +1,70 @@
+//
+//  RxPickerViewAdapter.swift
+//  RxDataSources
+//
+//  Created by Sergey Shulga on 04/07/2017.
+//  Copyright © 2017 kzaher. All rights reserved.
+//
+
+import Foundation
+import UIKit
+#if !RX_NO_MODULE
+    import RxSwift
+    import RxCocoa
+#endif
+
+
+open class RxPickerViewDataSource<T>: NSObject, UIPickerViewDataSource {
+    public typealias NumberOfComponentsProvider = (RxPickerViewDataSource, UIPickerView, T) -> Int
+    public typealias NumberOfRowsInComponentProvider = (RxPickerViewDataSource, UIPickerView, T, Int) -> Int
+    
+    fileprivate var components: T
+    
+    init(components: T) {
+        self.components = components
+        super.init()
+    }
+    
+    var numberOfComponentsProvider: NumberOfComponentsProvider!
+    var numberOfRowsInComponentProvider: NumberOfRowsInComponentProvider!
+    
+    //MARK: UIPickerViewDataSource
+    
+    public func numberOfComponents(in pickerView: UIPickerView) -> Int {
+        return numberOfComponentsProvider(self, pickerView, components)
+    }
+
+    public func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
+        return numberOfRowsInComponentProvider(self, pickerView, components, component)
+    }
+}
+
+open class RxPickerViewStringAdapter<T>: RxPickerViewDataSource<T>, UIPickerViewDelegate {
+    public typealias TitleForRowProvider = (RxPickerViewStringAdapter<T>, UIPickerView, T,Int, Int) -> String?
+    
+    public var titleForRowProvider: TitleForRowProvider! = nil
+    
+    open func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
+        return titleForRowProvider(self, pickerView, components, row, component)
+    }
+}
+
+open class RxPickerViewAttributedStringAdapter<T>: RxPickerViewDataSource<T>, UIPickerViewDelegate {
+    public typealias AttributedTitleForRowProvider = (RxPickerViewAttributedStringAdapter<T>, UIPickerView, T, Int, Int) -> NSAttributedString?
+    
+    public var attributedTitleForRowProvider: AttributedTitleForRowProvider! = nil
+    
+    open func pickerView(_ pickerView: UIPickerView, attributedTitleForRow row: Int, forComponent component: Int) -> NSAttributedString? {
+        return attributedTitleForRowProvider(self, pickerView, components, row, component)
+    }
+}
+
+open class RxPickerViewViewAdapter<T>: RxPickerViewDataSource<T>, UIPickerViewDelegate {
+    public typealias ViewForRowProvider = (RxPickerViewViewAdapter<T>, UIPickerView, T, Int, Int, UIView?) -> UIView
+    
+    public var viewForRowProvider: ViewForRowProvider!
+    
+    open func pickerView(_ pickerView: UIPickerView, viewForRow row: Int, forComponent component: Int, reusing view: UIView?) -> UIView {
+        return viewForRowProvider(self, pickerView, components,row, component, view)
+    }
+}