Demo/Swift_Demo/ViewController/SearchViewController.swift
//
// SearchViewController.swift
// https://github.com/hackiftekhar/IQKeyboardManager
// Copyright (c) 2013-24 Iftekhar Qurashi.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
import UIKit
class SearchViewController: BaseTableViewController, UISearchResultsUpdating, UISearchBarDelegate {
let dataList = [["name": "David Smith", "email": "david@example.com"],
["name": "Kevin John", "email": "kjohn@example.com"],
["name": "Jacob Brown", "email": "jacobb@example.com"],
["name": "Paul Johnson", "email": "johnsonp@example.com"],
["name": "Sam William", "email": "willsam@example.com"],
["name": "Brian Taylor", "email": "btaylor@example.com"],
["name": "Charles Smith", "email": "charless@example.com"],
["name": "Andrew White", "email": "awhite@example.com"],
["name": "Matt Thomas", "email": "mthomas@example.com"],
["name": "Michael Clark", "email": "clarkm@example.com"]]
var filteredList = [[String: String]]()
var searchController: UISearchController!
override func viewDidLoad() {
super.viewDidLoad()
self.searchController = UISearchController(searchResultsController: nil)
self.searchController.searchResultsUpdater = self
self.searchController.obscuresBackgroundDuringPresentation = false
self.searchController.searchBar.scopeButtonTitles = ["All", "Name", "Email"]
self.searchController.searchBar.delegate = self
self.searchController.searchBar.sizeToFit()
if #available(iOS 11.0, *) {
navigationItem.searchController = searchController
} else {
self.tableView.tableHeaderView = self.searchController.searchBar
}
}
func searchForText(_ searchText: String?, scope: Int) {
guard let text = searchText, !text.isEmpty else {
self.filteredList = self.dataList
return
}
if scope == 0 {
self.filteredList = self.dataList.filter({ (obj: [String: String]) -> Bool in
if obj["name"]?.contains(text) == true || obj["email"]?.contains(text) == true {
return true
} else {
return false
}
})
} else if scope == 1 {
self.filteredList = self.dataList.filter({ (obj: [String: String]) -> Bool in
if obj["name"]?.contains(text) == true || obj["email"]?.contains(text) == true {
return true
} else {
return false
}
})
} else if scope == 2 {
self.filteredList = self.dataList.filter({ (obj: [String: String]) -> Bool in
if obj["email"]?.contains(text) == true {
return true
} else {
return false
}
})
}
}
func updateSearchResults(for searchController: UISearchController) {
self.searchForText(searchController.searchBar.text, scope: searchController.searchBar.selectedScopeButtonIndex)
self.tableView.reloadData()
}
func searchBar(_ searchBar: UISearchBar, selectedScopeButtonIndexDidChange selectedScope: Int) {
self.updateSearchResults(for: self.searchController)
}
// MARK: - Table view data source
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
if searchController.isActive == false {
return dataList.count
} else {
return filteredList.count
}
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
var cell = tableView.dequeueReusableCell(withIdentifier: "UITableViewCell")
if cell == nil {
cell = UITableViewCell(style: .subtitle, reuseIdentifier: "UITableViewCell")
}
if searchController.isActive == false {
cell?.textLabel?.text = dataList[indexPath.row]["name"]
cell?.detailTextLabel?.text = dataList[indexPath.row]["email"]
} else {
cell?.textLabel?.text = filteredList[indexPath.row]["name"]
cell?.detailTextLabel?.text = filteredList[indexPath.row]["email"]
}
return cell!
}
}