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Option to autocomplete on tab instead of return #75

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Option to autocomplete on tab instead of return #75

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d0d86a6
Added the ability to autocomplete the contents of the text field on t…
scottdelly Sep 8, 2017
2838c21
Added var to adjust the filter table display animation duration
scottdelly Sep 20, 2017
c699eea
Merge branch 'master' of https://github.com/apasccon/SearchTextField
scottdelly Oct 26, 2017
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28 changes: 25 additions & 3 deletions SearchTextField/Classes/SearchTextField.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,16 @@ open class SearchTextField: UITextField {
/// Set the results list's header
open var resultsListHeader: UIView?

/// If set to true, when editing ends with tab the top result will be used as the final field text. Otherwise autocomplete happens on return
open var autocompleteOnTab: Bool = false

open var filterListDisplayAnimationDuration: TimeInterval = 0.2

/// Get the current filter items that are displayed to the user
open func currentFilterItems() -> [SearchTextFieldItem] {
return self.filteredResults
}

////////////////////////////////////////////////////////////////////////
// Private implementation

Expand All @@ -130,6 +140,7 @@ open class SearchTextField: UITextField {
fileprivate static let cellIdentifier = "APSearchTextFieldCell"
fileprivate let indicator = UIActivityIndicatorView(activityIndicatorStyle: .gray)
fileprivate var maxTableViewSize: CGFloat = 0
fileprivate var returnKeyPressed: Bool = false

fileprivate var filteredResults = [SearchTextFieldItem]()
fileprivate var filterDataSource = [SearchTextFieldItem]() {
Expand Down Expand Up @@ -277,7 +288,7 @@ open class SearchTextField: UITextField {
tableViewFrame.origin = self.convert(tableViewFrame.origin, to: nil)
tableViewFrame.origin.x += 2
tableViewFrame.origin.y += frame.size.height + 2
UIView.animate(withDuration: 0.2, animations: { [weak self] in
UIView.animate(withDuration: filterListDisplayAnimationDuration, animations: { [weak self] in
self?.tableView?.frame = tableViewFrame
})

Expand All @@ -288,7 +299,7 @@ open class SearchTextField: UITextField {
shadowView!.frame = shadowFrame
} else {
let tableHeight = min((tableView.contentSize.height), (UIScreen.main.bounds.size.height - frame.origin.y - theme.cellHeight))
UIView.animate(withDuration: 0.2, animations: { [weak self] in
UIView.animate(withDuration: filterListDisplayAnimationDuration, animations: { [weak self] in
self?.tableView?.frame = CGRect(x: frame.origin.x + 2, y: (frame.origin.y - tableHeight), width: frame.size.width - 4, height: tableHeight)
self?.shadowView?.frame = CGRect(x: frame.origin.x + 3, y: (frame.origin.y + 3), width: frame.size.width - 6, height: 1)
})
Expand Down Expand Up @@ -377,12 +388,23 @@ open class SearchTextField: UITextField {
}

@objc open func textFieldDidEndEditing() {
if autocompleteOnTab && !returnKeyPressed {
performAutocomplete()
}
clearResults()
tableView?.reloadData()
placeholderLabel?.attributedText = nil
returnKeyPressed = false
}

@objc open func textFieldDidEndEditingOnExit() {
returnKeyPressed = true
if !autocompleteOnTab {
performAutocomplete()
}
}

func performAutocomplete() {
if let firstElement = filteredResults.first {
if let itemSelectionHandler = self.itemSelectionHandler {
itemSelectionHandler(filteredResults, 0)
Expand All @@ -402,7 +424,7 @@ open class SearchTextField: UITextField {
open func hideResultsList() {
if let tableFrame:CGRect = tableView?.frame {
let newFrame = CGRect(x: tableFrame.origin.x, y: tableFrame.origin.y, width: tableFrame.size.width, height: 0.0)
UIView.animate(withDuration: 0.2, animations: { [weak self] in
UIView.animate(withDuration: filterListDisplayAnimationDuration, animations: { [weak self] in
self?.tableView?.frame = newFrame
})

Expand Down