108 lines
3.9 KiB
Swift
108 lines
3.9 KiB
Swift
//
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// ProgrammaticTableViewController.swift
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// MVMCoreUI
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//
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// Created by Scott Pfeil on 3/12/20.
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// Copyright © 2020 Verizon Wireless. All rights reserved.
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//
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open class ProgrammaticTableViewController: ProgrammaticScrollViewController, UITableViewDelegate, UITableViewDataSource {
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//--------------------------------------------------
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// MARK: - Outlet
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//--------------------------------------------------
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@IBOutlet public var tableView: TableView!
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//--------------------------------------------------
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// MARK: - Initializers
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//--------------------------------------------------
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public init(with tableView: TableView) {
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self.tableView = tableView
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super.init(with: tableView)
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}
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required public init?(coder: NSCoder) {
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super.init(coder: coder)
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}
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public override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
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super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
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}
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//--------------------------------------------------
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// MARK: - Lifecycle
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//--------------------------------------------------
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open override func loadView() {
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let view = UIView()
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view.backgroundColor = .mvmWhite
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let tableView = createTableView()
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tableView.translatesAutoresizingMaskIntoConstraints = false
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view.addSubview(tableView)
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// Sets the constraints for the scroll view
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let constraints = NSLayoutConstraint.constraintPinSubview(toSuperview: tableView)
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topConstraint = constraints?[ConstraintTop] as? NSLayoutConstraint
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bottomConstraint = constraints?[ConstraintBot] as? NSLayoutConstraint
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self.tableView = tableView
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scrollView = tableView
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self.view = view
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}
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open override func viewDidLoad() {
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super.viewDidLoad()
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registerWithTable()
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}
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//--------------------------------------------------
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// MARK: - Table View
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//--------------------------------------------------
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/// This class should create the table view that will be used here. Subclass this for different table styles.
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open func createTableView() -> TableView {
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let tableView = TableView(frame: .zero, style: .grouped)
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tableView.backgroundColor = .clear
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tableView.separatorStyle = .none
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tableView.delegate = self
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tableView.dataSource = self
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tableView.insetsContentViewsToSafeArea = false
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return tableView
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}
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/// Registers classes and nibs. Can subclass for different nibs. Can call super and then add new ones after as well.
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open func registerWithTable() { }
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/// Sets the table to have no section headers or footers.
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open func setNoSectionHeadersFooters() {
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tableView.sectionHeaderHeight = CGFloat.leastNormalMagnitude
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tableView.sectionFooterHeight = CGFloat.leastNormalMagnitude
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}
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open func refreshTable() {
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// Perform asyncronously to ensure it can never run in the same process as table data updates.
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DispatchQueue.main.async { [self] in
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tableView.beginUpdates()
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tableView.endUpdates()
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}
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}
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/// For subclassing, returns the number of sections for table. This function calls numberOfSectionsForTableview aftre ensuring the table is setup properly.
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open func getNumberOfSections() -> Int { 1 }
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open func numberOfSections(in tableView: UITableView) -> Int {
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tableView.bounds.width > 1 ? getNumberOfSections() : 0
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}
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open func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { 0 }
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open func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { UITableViewCell() }
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open func tableView(_ tableView: UITableView, didDeselectRowAt indexPath: IndexPath) { }
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open func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) { }
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}
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