mirror of https://github.com/oxen-io/session-ios
Merge branch 'mkirk/pick-color'
Michael Kirk
7 years ago
commit
ea7ec99489
@ -0,0 +1,145 @@
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//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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let colorSwatchHeight: CGFloat = 60
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class ColorView: UIView {
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let color: UIColor
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let swatchView: UIView
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required init(color: UIColor) {
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self.color = color
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self.swatchView = UIView()
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super.init(frame: .zero)
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swatchView.backgroundColor = color
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self.swatchView.layer.cornerRadius = colorSwatchHeight / 2
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self.addSubview(swatchView)
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swatchView.autoVCenterInSuperview()
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swatchView.autoSetDimension(.height, toSize: colorSwatchHeight)
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swatchView.autoPinEdge(toSuperviewMargin: .top, relation: .greaterThanOrEqual)
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swatchView.autoPinEdge(toSuperviewMargin: .bottom, relation: .greaterThanOrEqual)
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swatchView.autoPinLeadingToSuperviewMargin()
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swatchView.autoPinTrailingToSuperviewMargin()
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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}
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@objc
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protocol ColorPickerDelegate: class {
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func colorPickerDidCancel(_ colorPicker: ColorPickerViewController)
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func colorPicker(_ colorPicker: ColorPickerViewController, didPickColorName colorName: String)
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}
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@objc
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class ColorPickerViewController: UIViewController, UIPickerViewDelegate, UIPickerViewDataSource {
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private let pickerView: UIPickerView
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private let thread: TSThread
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private let colors: [UIColor]
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@objc public weak var delegate: ColorPickerDelegate?
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@objc
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required init(thread: TSThread) {
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self.thread = thread
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self.pickerView = UIPickerView()
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self.colors = UIColor.ows_conversationColors
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super.init(nibName: nil, bundle: nil)
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self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .cancel, target: self, action: #selector(didTapCancel))
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self.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .save, target: self, action: #selector(didTapSave))
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pickerView.dataSource = self
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pickerView.delegate = self
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}
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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override func loadView() {
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self.view = UIView()
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view.backgroundColor = .white
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view.addSubview(pickerView)
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pickerView.autoVCenterInSuperview()
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pickerView.autoPinLeadingToSuperviewMargin()
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pickerView.autoPinTrailingToSuperviewMargin()
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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if let colorName = thread.conversationColorName,
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let currentColor = UIColor.ows_conversationColor(colorName: colorName),
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let index = colors.index(of: currentColor) {
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pickerView.selectRow(index, inComponent: 0, animated: false)
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}
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}
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// MARK: UIPickerViewDataSource
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public func numberOfComponents(in pickerView: UIPickerView) -> Int {
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return 1
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}
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public func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
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return self.colors.count
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}
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// MARK: UIPickerViewDelegate
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public func pickerView(_ pickerView: UIPickerView, rowHeightForComponent component: Int) -> CGFloat {
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let vMargin: CGFloat = 2
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return colorSwatchHeight + vMargin * 2
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}
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public func pickerView(_ pickerView: UIPickerView, viewForRow row: Int, forComponent component: Int, reusing view: UIView?) -> UIView {
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guard let color = colors[safe: row] else {
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owsFail("\(logTag) in \(#function) color was unexpectedly nil")
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return ColorView(color: .white)
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}
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return ColorView(color: color)
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}
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// MARK: Actions
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var currentColor: UIColor {
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let index = pickerView.selectedRow(inComponent: 0)
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guard let color = self.colors[safe: index] else {
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owsFail("\(self.logTag) in \(#function) index was unexpectedly nil")
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return UIColor.white
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}
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return color
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}
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@objc
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public func didTapSave() {
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guard let colorName = UIColor.ows_conversationColorName(color: self.currentColor) else {
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owsFail("\(self.logTag) in \(#function) colorName was unexpectedly nil")
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self.delegate?.colorPickerDidCancel(self)
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return
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}
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self.delegate?.colorPicker(self, didPickColorName: colorName)
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}
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@objc
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public func didTapCancel() {
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self.delegate?.colorPickerDidCancel(self)
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}
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}
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