// // IMUIInputView.swift // IMUIChat // // Created by oshumini on 2017/2/28. // Copyright © 2017年 HXHG. All rights reserved. // import UIKit import Photos @objc public enum IMUIInputViewItemPosition: UInt { case left = 0 case right case bottom } fileprivate var IMUIFeatureViewHeight:CGFloat = 215 fileprivate var IMUIFeatureSelectorHeight:CGFloat = 46 fileprivate var IMUIShowFeatureViewAnimationDuration = 0.25 open class IMUICustomInputView: UIView { @objc open var inputTextViewPadding: UIEdgeInsets = UIEdgeInsets(top: 8, left: 12, bottom: 8, right: 12) @objc open var inputTextViewHeightRange: UIFloatRange = UIFloatRange(minimum: 20, maximum: 60) @objc open var inputTextViewTextColor: UIColor = UIColor(netHex: 0x555555) @objc open var inputTextViewFont: UIFont = UIFont.systemFont(ofSize: 18) var inputViewStatus: IMUIInputStatus = .none @objc open weak var inputViewDelegate: IMUICustomInputViewDelegate? fileprivate weak var inputViewDataSource: IMUICustomInputViewDataSource? @objc open var dataSource: IMUICustomInputViewDataSource? { set { self.inputViewDataSource = newValue self.rightInputBarItemListView.dataSource = newValue self.leftInputBarItemListView.dataSource = newValue self.bottomInputBarItemListView.dataSource = newValue self.featureView.dataSource = newValue self.reloadData() self.layoutInputBar() } get { return self.inputViewDataSource } } @IBOutlet var view: UIView! @IBOutlet weak var moreViewHeight: NSLayoutConstraint! @IBOutlet weak var inputTextViewHeight: NSLayoutConstraint! @IBOutlet open weak var bottomInputBarItemListView: IMUIFeatureListView! @IBOutlet weak var leftInputBarItemListView: IMUIFeatureListView! @IBOutlet weak var rightInputBarItemListView: IMUIFeatureListView! @IBOutlet weak var leftInputBarItemListViewWidth: NSLayoutConstraint! @IBOutlet weak var rightInputBarItemListViewWidth: NSLayoutConstraint! @IBOutlet weak var bottomInputBarItemListViewHeight: NSLayoutConstraint! @IBOutlet open weak var featureView: IMUIFeatureView! @IBOutlet open weak var inputTextView: UITextView! // to adjust textView Padding @IBOutlet weak var paddingLeft: NSLayoutConstraint! @IBOutlet weak var paddingRight: NSLayoutConstraint! @IBOutlet weak var paddingTop: NSLayoutConstraint! @IBOutlet weak var paddingBottom: NSLayoutConstraint! override public init(frame: CGRect) { super.init(frame: frame) let bundle = Bundle.imuiInputViewBundle() view = bundle.loadNibNamed("IMUICustomInputView", owner: self, options: nil)?.first as? UIView self.addSubview(view) view.frame = self.bounds self.inputTextView.textContainer.lineBreakMode = .byWordWrapping self.inputTextView.font = UIFont.systemFont(ofSize: 14) self.inputTextView.textColor = inputTextViewTextColor self.inputTextView.layoutManager.allowsNonContiguousLayout = false inputTextView.delegate = self } open override func awakeFromNib() { super.awakeFromNib() NotificationCenter.default.addObserver(self, selector: #selector(self.keyboardFrameChanged(_:)), name: UIResponder.keyboardWillChangeFrameNotification, object: nil) self.paddingLeft.constant = self.inputTextViewPadding.left self.paddingRight.constant = self.inputTextViewPadding.right self.paddingTop.constant = self.inputTextViewPadding.top self.paddingBottom.constant = self.inputTextViewPadding.bottom } required public init?(coder aDecoder: NSCoder) { super.init(coder: aDecoder) let bundle = Bundle.imuiInputViewBundle() view = bundle.loadNibNamed("IMUICustomInputView", owner: self, options: nil)?.first as! UIView self.addSubview(view) view.frame = self.bounds inputTextView.textContainer.lineFragmentPadding = 0 inputTextView.textContainerInset = .zero inputTextView.textContainer.lineBreakMode = .byWordWrapping inputTextView.delegate = self self.bottomInputBarItemListView.position = .bottom self.leftInputBarItemListView.position = .left self.rightInputBarItemListView.position = .right } @objc public func layoutInputBar() { let bottomCount = self.inputViewDataSource?.imuiInputView(self.bottomInputBarItemListView.featureListCollectionView, numberForItemAt: .bottom) ?? 0 if bottomCount == 0 { self.bottomInputBarItemListViewHeight.constant = 8 } self.rightInputBarItemListViewWidth.constant = self.rightInputBarItemListView.totalWidth self.leftInputBarItemListViewWidth.constant = self.leftInputBarItemListView.totalWidth self.bottomInputBarItemListView.layoutFeatureListToCenter() } @objc public func setBackgroundColor(color: UIColor) { self.backgroundColor = color self.rightInputBarItemListView.featureListCollectionView.backgroundColor = color self.leftInputBarItemListView.featureListCollectionView.backgroundColor = color self.bottomInputBarItemListView.featureListCollectionView.backgroundColor = color } public func register(_ cellClass: AnyClass?, in position: IMUIInputViewItemPosition, forCellWithReuseIdentifier identifier: String) { let featureSelectorList = self.getFeatureView(from: position) featureSelectorList.register(cellClass, forCellWithReuseIdentifier: identifier) } public func register(_ nib: UINib?,in position: IMUIInputViewItemPosition, forCellWithReuseIdentifier identifier: String) { let featureSelectorList = self.getFeatureView(from: position) featureSelectorList.register(nib, forCellWithReuseIdentifier: identifier) } public func registerForFeatureView(_ cellClass: AnyClass?, forCellWithReuseIdentifier identifier: String) { self.featureView.register(cellClass, forCellWithReuseIdentifier: identifier) } public func registerForFeatureView(_ nib: UINib?, forCellWithReuseIdentifier identifier: String) { self.featureView.register(nib, forCellWithReuseIdentifier: identifier) } func getFeatureView(from position: IMUIInputViewItemPosition) -> IMUIFeatureListView { switch position { case .left: return self.leftInputBarItemListView case .right: return self.rightInputBarItemListView case .bottom: return self.bottomInputBarItemListView } } @objc func keyboardFrameChanged(_ notification: Notification) { let dic = NSDictionary(dictionary: (notification as NSNotification).userInfo!) let keyboardValue = dic.object(forKey: UIResponder.keyboardFrameEndUserInfoKey) as! NSValue let bottomDistance = UIScreen.main.bounds.size.height - keyboardValue.cgRectValue.origin.y let duration = Double(dic.object(forKey: UIResponder.keyboardAnimationDurationUserInfoKey) as! NSNumber) UIView.animate(withDuration: duration) { if bottomDistance > 10.0 { IMUIFeatureViewHeight = bottomDistance self.inputViewDelegate?.keyBoardWillShow?(height: keyboardValue.cgRectValue.size.height, durationTime: duration) self.moreViewHeight.constant = IMUIFeatureViewHeight } } self.superview?.layoutIfNeeded() } func fitTextViewSize(_ textView: UITextView) { let textViewFitSize = textView.sizeThatFits(CGSize(width: textView.imui_width, height: CGFloat(MAXFLOAT))) if textViewFitSize.height <= inputTextViewHeightRange.minimum { self.inputTextViewHeight.constant = inputTextViewHeightRange.minimum return } let newValue = textViewFitSize.height > inputTextViewHeightRange.maximum ? inputTextViewHeightRange.maximum : textViewFitSize.height if newValue != self.inputTextViewHeight.constant { self.inputTextViewHeight.constant = 120 DispatchQueue.main.async { self.inputTextViewHeight.constant = newValue textView.scrollRangeToVisible(NSRange(location: 0, length: 0)) } } } @objc public func updateInputBarItemCell(_ position: IMUIInputViewItemPosition, at index: Int) { let inputBarList = self.getFeatureView(from: position) inputBarList.featureListCollectionView.reloadItems(at: [IndexPath(item: index, section: 0)]) } // TODO: switch featureView content @objc public func reloadFeaturnView() { self.featureView.featureCollectionView.reloadData() } @objc public func reloadData() { self.bottomInputBarItemListView.reloadData() self.rightInputBarItemListView.reloadData() self.leftInputBarItemListView.reloadData() } // 该接口提供给 React Native 用于处理 第三库（react-navigation 或 react-native-router-flux ）可能导致的布局问题。 @objc public func layoutInputView() { self.fitTextViewSize(self.inputTextView) } @objc public func showFeatureView() { UIView.animate(withDuration: IMUIShowFeatureViewAnimationDuration) { self.inputTextView.resignFirstResponder() self.moreViewHeight.constant = 253 self.superview?.layoutIfNeeded() } } @objc public func hideFeatureView() { UIView.animate(withDuration: IMUIShowFeatureViewAnimationDuration) { self.moreViewHeight.constant = 0 self.inputTextView.resignFirstResponder() self.featureView.currentType = .none self.featureView.featureCollectionView.reloadData() self.superview?.layoutIfNeeded() } } deinit { self.featureView.clearAllSelectedGallery() NotificationCenter.default.removeObserver(self) } } // MARK: - UITextViewDelegate extension IMUICustomInputView: UITextViewDelegate { public func textViewDidChange(_ textView: UITextView) { self.fitTextViewSize(textView) self.inputViewDelegate?.textDidChange?(text: textView.text) } public func textViewShouldBeginEditing(_ textView: UITextView) -> Bool { // inputViewStatus = .text return true } }