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// SPDX-License-Identifier: MIT
// Copyright © 2018 WireGuard LLC. All Rights Reserved.
import Cocoa
protocol TunnelsListTableViewControllerDelegate: class {
func tunnelSelected(tunnel: TunnelContainer)
func tunnelListEmpty()
}
class TunnelsListTableViewController: NSViewController {
let tunnelsManager: TunnelsManager
weak var delegate: TunnelsListTableViewControllerDelegate?
let tableView: NSTableView = {
let tableView = NSTableView()
tableView.addTableColumn(NSTableColumn(identifier: NSUserInterfaceItemIdentifier("TunnelsList")))
tableView.headerView = nil
tableView.rowSizeStyle = .medium
return tableView
}()
let buttonBar: NSSegmentedControl = {
let addButtonImage = NSImage(named: NSImage.addTemplateName)!
let removeButtonImage = NSImage(named: NSImage.removeTemplateName)!
let actionButtonImage = NSImage(named: NSImage.actionTemplateName)!
let buttonBar = NSSegmentedControl(images: [addButtonImage, removeButtonImage, actionButtonImage],
trackingMode: .momentary, target: nil, action: #selector(buttonBarClicked(sender:)))
buttonBar.segmentStyle = .smallSquare
buttonBar.segmentDistribution = .fit
buttonBar.setShowsMenuIndicator(true, forSegment: 0)
buttonBar.setShowsMenuIndicator(false, forSegment: 1)
buttonBar.setShowsMenuIndicator(true, forSegment: 2)
return buttonBar
}()
let addMenu: NSMenu = {
let addMenu = NSMenu(title: "TunnelsListAdd")
addMenu.addItem(withTitle: tr("macMenuAddEmptyTunnel"), action: #selector(addEmptyTunnelClicked), keyEquivalent: "")
addMenu.addItem(withTitle: tr("macMenuImportTunnels"), action: #selector(importTunnelClicked), keyEquivalent: "")
return addMenu
}()
let actionMenu: NSMenu = {
let actionMenu = NSMenu(title: "TunnelsListAction")
actionMenu.addItem(withTitle: tr("macMenuExportLog"), action: #selector(exportLogClicked), keyEquivalent: "")
actionMenu.addItem(withTitle: tr("macMenuExportTunnels"), action: #selector(exportTunnelsClicked), keyEquivalent: "")
return actionMenu
}()
init(tunnelsManager: TunnelsManager) {
self.tunnelsManager = tunnelsManager
super.init(nibName: nil, bundle: nil)
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func loadView() {
tableView.dataSource = self
tableView.delegate = self
let scrollView = NSScrollView()
scrollView.hasVerticalScroller = true
scrollView.autohidesScrollers = true
scrollView.borderType = .bezelBorder
let clipView = NSClipView()
clipView.documentView = tableView
scrollView.contentView = clipView
let fillerButton = FillerButton()
let containerView = NSView()
containerView.addSubview(scrollView)
containerView.addSubview(buttonBar)
containerView.addSubview(fillerButton)
scrollView.translatesAutoresizingMaskIntoConstraints = false
buttonBar.translatesAutoresizingMaskIntoConstraints = false
fillerButton.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
containerView.topAnchor.constraint(equalTo: scrollView.topAnchor),
containerView.leadingAnchor.constraint(equalTo: scrollView.leadingAnchor),
containerView.trailingAnchor.constraint(equalTo: scrollView.trailingAnchor),
scrollView.bottomAnchor.constraint(equalTo: buttonBar.topAnchor, constant: 1),
containerView.leadingAnchor.constraint(equalTo: buttonBar.leadingAnchor),
containerView.bottomAnchor.constraint(equalTo: buttonBar.bottomAnchor),
scrollView.bottomAnchor.constraint(equalTo: fillerButton.topAnchor, constant: 1),
containerView.bottomAnchor.constraint(equalTo: fillerButton.bottomAnchor),
buttonBar.trailingAnchor.constraint(equalTo: fillerButton.leadingAnchor, constant: 1),
fillerButton.trailingAnchor.constraint(equalTo: containerView.trailingAnchor)
])
NSLayoutConstraint.activate([
containerView.widthAnchor.constraint(greaterThanOrEqualToConstant: 120),
containerView.heightAnchor.constraint(greaterThanOrEqualToConstant: 120)
])
buttonBar.target = self
addMenu.items.forEach { $0.target = self }
actionMenu.items.forEach { $0.target = self }
view = containerView
}
@objc func buttonBarClicked(sender: AnyObject?) {
guard let buttonBar = sender as? NSSegmentedControl else { return }
// We have to resort to explicitly showing the menu instead of using NSSegmentedControl.setMenu()
// because we have a mix of menu and non-menu segments.
// See: http://openradar.appspot.com/radar?id=61419
if buttonBar.selectedSegment == 0 {
let segmentBottomLeft = NSPoint(x: 0, y: buttonBar.bounds.height + 2)
addMenu.popUp(positioning: nil, at: segmentBottomLeft, in: buttonBar)
} else if buttonBar.selectedSegment == 1 {
removeTunnelClicked()
} else if buttonBar.selectedSegment == 2 {
let segmentBottomLeft = NSPoint(x: buttonBar.bounds.width * 0.66, y: buttonBar.bounds.height + 2)
actionMenu.popUp(positioning: nil, at: segmentBottomLeft, in: buttonBar)
}
}
@objc func addEmptyTunnelClicked() {
print("addEmptyTunnelClicked")
}
@objc func importTunnelClicked() {
print("importTunnelClicked")
}
@objc func removeTunnelClicked() {
print("removeTunnelClicked")
}
@objc func exportLogClicked() {
print("exportLogClicked")
}
@objc func exportTunnelsClicked() {
print("exportTunnelsClicked")
}
}
extension TunnelsListTableViewController: NSTableViewDataSource {
func numberOfRows(in tableView: NSTableView) -> Int {
return tunnelsManager.numberOfTunnels()
}
}
extension TunnelsListTableViewController: NSTableViewDelegate {
func tableView(_ tableView: NSTableView, viewFor tableColumn: NSTableColumn?, row: Int) -> NSView? {
let cell: TunnelListCell = tableView.dequeueReusableCell()
cell.tunnel = tunnelsManager.tunnel(at: row)
return cell
}
func tableViewSelectionDidChange(_ notification: Notification) {
guard tableView.selectedRow >= 0 else {
if tunnelsManager.numberOfTunnels() == 0 {
delegate?.tunnelListEmpty()
}
return
}
let selectedTunnel = tunnelsManager.tunnel(at: tableView.selectedRow)
delegate?.tunnelSelected(tunnel: selectedTunnel)
}
}
class FillerButton: NSButton {
override var intrinsicContentSize: NSSize {
return NSSize(width: NSView.noIntrinsicMetric, height: NSView.noIntrinsicMetric)
}
init() {
super.init(frame: CGRect.zero)
title = ""
bezelStyle = .smallSquare
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
override func mouseDown(with event: NSEvent) {
// Eat mouseDown event, so that the button looks enabled but is unresponsive
}
}
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