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Multiselect #129

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Multiselect #129

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4fa1b76
Multiselect option & show scroll always
Nov 6, 2023
79dd59c
Multiselect option & show scroll always
Nov 6, 2023
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9 changes: 9 additions & 0 deletions Example/iOSDropDown/ViewController1.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -22,13 +22,22 @@ class ViewController1: UIViewController {
mainDropDown.optionArray = option.countries
mainDropDown.optionIds = option.ids
mainDropDown.checkMarkEnabled = false
mainDropDown.showScrollBarAlways = true
mainDropDown.isMultiSelectEnabled = true
mainDropDown.isSearchEnable = false
mainDropDown.semanticContentAttribute = .forceRightToLeft
mainDropDown.textColor = .red
cstmbutn.isHidden = true
customView.isHidden = true
mainDropDown.didSelect { selectedText, index, id in
self.valueLabel.text = "Selected String: \(selectedText) \n index: \(index) \n Id: \(id)"
}

mainDropDown.didSelectMulti { text, indexes, ids in
self.valueLabel.text = "Selected : \(text.joined(separator: ", ")) \n \(indexes) \n \(ids)"
}



mainDropDown.arrowSize = 10
// Custom DropDown Data
Expand Down
88 changes: 75 additions & 13 deletions iOSDropDown/Classes/iOSDropDown.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ open class DropDown: UITextField {
var arrow: Arrow!
var table: UITableView!
var shadow: UIView!
public var selectedIndex: Int?
public var selectedIndexes: [Int] = []

// MARK: IBInspectable

Expand Down Expand Up @@ -50,6 +50,17 @@ open class DropDown: UITextField {
layer.cornerRadius = cornerRadius
}
}

@IBInspectable public var isMultiSelectEnabled: Bool = false {
didSet {
isSearchEnable = false
}
}

@IBInspectable public var showScrollBarAlways: Bool = true {
didSet {
}
}

// Variables
fileprivate var tableheightX: CGFloat = 100
Expand All @@ -59,6 +70,7 @@ open class DropDown: UITextField {
fileprivate var pointToParent = CGPoint(x: 0, y: 0)
fileprivate var backgroundView = UIView()
fileprivate var keyboardHeight: CGFloat = 0
fileprivate var timerForShowScrollIndicator: Timer?

public var optionArray = [String]() {
didSet {
Expand All @@ -83,7 +95,7 @@ open class DropDown: UITextField {
}
}
reSizeTable()
selectedIndex = nil
selectedIndexes.removeAll()
table.reloadData()
}
}
Expand Down Expand Up @@ -127,6 +139,7 @@ open class DropDown: UITextField {
// MARK: Closures

fileprivate var didSelectCompletion: (String, Int, Int) -> Void = { _, _, _ in }
fileprivate var didMultipleSelectCompletion: ([String], [Int], [Int]) -> Void = { _, _, _ in}
fileprivate var TableWillAppearCompletion: () -> Void = { }
fileprivate var TableDidAppearCompletion: () -> Void = { }
fileprivate var TableWillDisappearCompletion: () -> Void = { }
Expand Down Expand Up @@ -204,6 +217,16 @@ open class DropDown: UITextField {
return superView!.convert(pnt, to: baseView)
}

@objc func showScrollIndicator() {
UIView.animate(withDuration: 0.001) {
self.table.flashScrollIndicators()
}
}

func startTimerForShowScrollIndicator() {
self.timerForShowScrollIndicator = Timer.scheduledTimer(timeInterval: 0.3, target: self, selector: #selector(self.showScrollIndicator), userInfo: nil, repeats: true)
}

public func showList() {
if parentController == nil {
parentController = parentViewController
Expand Down Expand Up @@ -231,6 +254,10 @@ open class DropDown: UITextField {
table.layer.cornerRadius = 3
table.backgroundColor = rowBackgroundColor
table.rowHeight = rowHeight
if (showScrollBarAlways) {
self.startTimerForShowScrollIndicator()
}

parentController?.view.addSubview(shadow)
parentController?.view.addSubview(table)
isSelected = true
Expand Down Expand Up @@ -264,6 +291,8 @@ open class DropDown: UITextField {

public func hideList() {
TableWillDisappearCompletion()
timerForShowScrollIndicator?.invalidate()
timerForShowScrollIndicator = nil
UIView.animate(withDuration: 1.0,
delay: 0.4,
usingSpringWithDamping: 0.9,
Expand Down Expand Up @@ -336,6 +365,10 @@ open class DropDown: UITextField {
didSelectCompletion = completion
}

public func didSelectMulti(completion: @escaping (_ selectedTexts: [String], _ indexes: [Int], _ ids: [Int]) -> Void) {
didMultipleSelectCompletion = completion
}

public func listWillAppear(completion: @escaping () -> Void) {
TableWillAppearCompletion = completion
}
Expand Down Expand Up @@ -402,7 +435,7 @@ extension DropDown: UITableViewDataSource {
cell = UITableViewCell(style: .default, reuseIdentifier: cellIdentifier)
}

if indexPath.row != selectedIndex {
if !selectedIndexes.contains(indexPath.row) {
cell!.backgroundColor = rowBackgroundColor
} else {
cell?.backgroundColor = selectedRowColor
Expand All @@ -414,7 +447,7 @@ extension DropDown: UITableViewDataSource {
cell!.textLabel!.text = "\(dataArray[indexPath.row])"
cell!.textLabel!.textColor = itemsColor
cell!.tintColor = itemsTintColor
cell!.accessoryType = (indexPath.row == selectedIndex) && checkMarkEnabled ? .checkmark : .none
cell!.accessoryType = (selectedIndexes.contains(indexPath.row)) && checkMarkEnabled ? .checkmark : .none
cell!.selectionStyle = .none
cell?.textLabel?.font = font
cell?.textLabel?.textAlignment = textAlignment
Expand All @@ -431,29 +464,58 @@ extension DropDown: UITableViewDelegate {

let currentIndex = (indexPath as NSIndexPath).row
let selectedText = dataArray[currentIndex]
selectedIndex = isSearchEnable ? (optionArray.firstIndex(of: selectedText) ?? currentIndex) : currentIndex // Correct Index For Searched Text


let selectedIndex = isSearchEnable ? (optionArray.firstIndex(of: selectedText) ?? currentIndex) : currentIndex // Correct Index For Searched Text
if (!isMultiSelectEnabled) {
selectedIndexes.removeAll()
selectedIndexes.append(selectedIndex)
} else {
if (selectedIndexes.contains(selectedIndex)) {
selectedIndexes.removeAll{ $0 == selectedIndex }
} else {
selectedIndexes.append(selectedIndex)
}
}

tableView.cellForRow(at: indexPath)?.alpha = 0
UIView.animate(withDuration: 0.5,
animations: { () -> Void in
tableView.cellForRow(at: indexPath)?.alpha = 1.0
tableView.cellForRow(at: indexPath)?.backgroundColor = self.selectedRowColor
},
completion: { (_) -> Void in
self.text = "\(selectedText)"

self.text = self.selectedIndexes.map { self.dataArray[$0] }.joined(separator: ", ")

tableView.reloadData()
})
if hideOptionsWhenSelect {
if hideOptionsWhenSelect && isMultiSelectEnabled == false {
touchAction()
endEditing(true)
}
if let selected = optionArray.firstIndex(where: { $0 == selectedText }) {
if let id = optionIds?[selected] {
didSelectCompletion(selectedText, selected, id)
} else {
didSelectCompletion(selectedText, selected, 0)

if (!isMultiSelectEnabled) {
if let selected = optionArray.firstIndex(where: { $0 == selectedText }) {
if let id = optionIds?[selected] {
didSelectCompletion(selectedText, selected, id)
} else {
didSelectCompletion(selectedText, selected, 0)
}
}
} else {
let sortedSelectedIndexes = selectedIndexes.sorted()
let selectedArrayText = sortedSelectedIndexes.map { optionArray[$0] }
var selectedArrayIds: [Int] = []
if optionIds?.isEmpty == false {
selectedArrayIds = sortedSelectedIndexes.map { [weak self] in
guard let ids = self?.optionIds, ids.count > $0 else {
return 0
}
return ids[$0]
}
}
print (selectedArrayIds)
didMultipleSelectCompletion(selectedArrayText, sortedSelectedIndexes, selectedArrayIds)
}
}
}
Expand Down