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Sources/SupportDocs/SupportOptions/SupportOptions+SearchBar.swift
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| // | ||
| // SupportOptions+SearchBar.swift | ||
| // SupportDocsSwiftUI | ||
| // | ||
| // Created by Zheng on 11/28/20. | ||
| // | ||
|
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| import UIKit | ||
| import SwiftUI | ||
| import Combine | ||
|
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| public extension SupportOptions { | ||
|
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| /** | ||
| Customize the appearance of the Search Bar. | ||
| */ | ||
| struct SearchBar { | ||
|
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| /** | ||
| Customize the appearance of the Search Bar. | ||
|
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| - parameter placeholder: The placeholder shown in the search bar before the user has entered text. | ||
| - parameter placeholderColor: Color of the placeholder and search icon. | ||
| - parameter textColor: Color of the search text. | ||
| - parameter tintColor: Color of the cursor and "Cancel" button. | ||
| - parameter backgroundColor: Background color of the search text field. | ||
| - parameter clearButtonMode: A mode that controls when the standard Clear button appears in the text field. | ||
| */ | ||
| public init( | ||
| placeholder: String = "Search", | ||
| placeholderColor: UIColor = UIColor.secondaryLabel.withAlphaComponent(0.75), | ||
| textColor: UIColor = UIColor.label, | ||
| tintColor: UIColor = UIColor.blue, | ||
| backgroundColor: UIColor = UIColor.white.withAlphaComponent(0.3), | ||
| clearButtonMode: UITextField.ViewMode = .whileEditing | ||
| ) { | ||
| self.placeholder = placeholder | ||
| self.placeholderColor = placeholderColor | ||
| self.textColor = textColor | ||
| self.tintColor = tintColor | ||
| self.backgroundColor = backgroundColor | ||
| self.clearButtonMode = clearButtonMode | ||
| } | ||
|
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|
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| /** | ||
| The placeholder shown in the search bar before the user has entered text. | ||
| */ | ||
| public var placeholder: String = "Search" | ||
|
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| /** | ||
| Color of the placeholder and search icon. | ||
| */ | ||
| public var placeholderColor: UIColor = UIColor.secondaryLabel.withAlphaComponent(0.75) | ||
|
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| /** | ||
| Color of the search text. | ||
| */ | ||
| public var textColor: UIColor = UIColor.label | ||
|
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| /** | ||
| Color of the cursor and "Cancel" button. | ||
| */ | ||
| public var tintColor: UIColor = UIColor.blue | ||
|
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| /** | ||
| Background color of the search text field. | ||
| */ | ||
| public var backgroundColor: UIColor = UIColor.white.withAlphaComponent(0.3) | ||
|
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| /** | ||
| A mode that controls when the standard Clear button appears in the text field. | ||
| */ | ||
| public var clearButtonMode: UITextField.ViewMode = .whileEditing | ||
| } | ||
| } | ||
|
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| /** | ||
| Search bar at the top of the NavigationView. | ||
|
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| Source: [http://blog.eppz.eu/swiftui-search-bar-in-the-navigation-bar/]( http://blog.eppz.eu/swiftui-search-bar-in-the-navigation-bar/). | ||
|
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| MIT License | ||
| */ | ||
| class SearchBarConfigurator: NSObject, ObservableObject { | ||
|
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| let objectWillChange = PassthroughSubject<Void, Never>() | ||
|
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| /// The text inside the search bar. | ||
| @Published var searchText: String = "" { | ||
| willSet { | ||
| self.objectWillChange.send() | ||
| } | ||
| } | ||
|
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| /// Instance of the search controller. | ||
| let searchController: UISearchController = UISearchController(searchResultsController: nil) | ||
|
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| override init() { | ||
| super.init() | ||
|
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| /// Prevent a gray overlay over the list. | ||
| self.searchController.obscuresBackgroundDuringPresentation = false | ||
|
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| /// Set the delegate. | ||
| self.searchController.searchResultsUpdater = self | ||
| } | ||
| } | ||
|
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| /** | ||
| Listen for changes in the search bar's text. | ||
| */ | ||
| extension SearchBarConfigurator: UISearchResultsUpdating { | ||
| func updateSearchResults(for searchController: UISearchController) { | ||
|
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| /// Publish search bar text changes. | ||
| if let searchBarText = searchController.searchBar.text { | ||
| self.searchText = searchBarText | ||
| } | ||
| } | ||
| } |
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