macOS: Manage tunnels: Tunnel detail view

Signed-off-by: Roopesh Chander <roop@roopc.net>
2019-01-03 01:16:27 +05:30
parent c946c0ea48
commit ada7db3dca
6 changed files with 273 additions and 7 deletions
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import Cocoa
+
+class TunnelDetailTableViewController: NSViewController {
+
+    private enum TableViewModelRow {
+        case interfaceFieldRow(TunnelViewModel.InterfaceField)
+        case peerFieldRow(peer: TunnelViewModel.PeerData, field: TunnelViewModel.PeerField)
+        case spacerRow
+
+        func localizedSectionKeyString() -> String {
+            switch self {
+            case .interfaceFieldRow: return tr("tunnelSectionTitleInterface")
+            case .peerFieldRow: return tr("tunnelSectionTitlePeer")
+            case .spacerRow: return ""
+            }
+        }
+
+        func isTitleRow() -> Bool {
+            switch self {
+            case .interfaceFieldRow(let field): return field == .name
+            case .peerFieldRow(_, let field): return field == .publicKey
+            case .spacerRow: return false
+            }
+        }
+    }
+
+    let interfaceFields: [TunnelViewModel.InterfaceField] = [
+        .name, .publicKey, .addresses,
+        .listenPort, .mtu, .dns
+    ]
+
+    let peerFields: [TunnelViewModel.PeerField] = [
+        .publicKey, .preSharedKey, .endpoint,
+        .allowedIPs, .persistentKeepAlive
+    ]
+
+    let tableView: NSTableView = {
+        let tableView = NSTableView()
+        tableView.addTableColumn(NSTableColumn(identifier: NSUserInterfaceItemIdentifier("TunnelDetail")))
+        tableView.headerView = nil
+        tableView.rowSizeStyle = .medium
+        tableView.backgroundColor = .clear
+        tableView.selectionHighlightStyle = .none
+        return tableView
+    }()
+
+    let tunnelsManager: TunnelsManager
+    let tunnel: TunnelContainer
+    var tunnelViewModel: TunnelViewModel {
+        didSet {
+            updateTableViewModelRows()
+        }
+    }
+    private var tableViewModelRows = [TableViewModelRow]()
+
+    init(tunnelsManager: TunnelsManager, tunnel: TunnelContainer) {
+        self.tunnelsManager = tunnelsManager
+        self.tunnel = tunnel
+        tunnelViewModel = TunnelViewModel(tunnelConfiguration: tunnel.tunnelConfiguration)
+        super.init(nibName: nil, bundle: nil)
+        updateTableViewModelRows()
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func loadView() {
+        tableView.dataSource = self
+        tableView.delegate = self
+
+        let clipView = NSClipView()
+        clipView.documentView = tableView
+
+        let scrollView = NSScrollView()
+        scrollView.contentView = clipView // Set contentView before setting drawsBackground
+        scrollView.drawsBackground = false
+        scrollView.hasVerticalScroller = true
+        scrollView.autohidesScrollers = true
+
+        view = scrollView
+    }
+
+    func updateTableViewModelRows() {
+        tableViewModelRows = []
+        for field in interfaceFields where !tunnelViewModel.interfaceData[field].isEmpty {
+            tableViewModelRows.append(.interfaceFieldRow(field))
+        }
+        for peerData in tunnelViewModel.peersData {
+            tableViewModelRows.append(.spacerRow)
+            for field in peerFields where !peerData[field].isEmpty {
+                tableViewModelRows.append(.peerFieldRow(peer: peerData, field: field))
+            }
+        }
+    }
+}
+
+extension TunnelDetailTableViewController: NSTableViewDataSource {
+    func numberOfRows(in tableView: NSTableView) -> Int {
+        return tableViewModelRows.count
+    }
+}
+
+extension TunnelDetailTableViewController: NSTableViewDelegate {
+    func tableView(_ tableView: NSTableView, viewFor tableColumn: NSTableColumn?, row: Int) -> NSView? {
+        let modelRow = tableViewModelRows[row]
+        switch modelRow {
+        case .interfaceFieldRow(let field):
+            let cell: KeyValueCell = tableView.dequeueReusableCell()
+            let localizedKeyString = modelRow.isTitleRow() ? modelRow.localizedSectionKeyString() : field.localizedUIString
+            cell.key = tr(format: "macDetailFieldKey (%@)", localizedKeyString)
+            cell.value = tunnelViewModel.interfaceData[field]
+            cell.isKeyInBold = modelRow.isTitleRow()
+            return cell
+        case .peerFieldRow(let peerData, let field):
+            let cell: KeyValueCell = tableView.dequeueReusableCell()
+            let localizedKeyString = modelRow.isTitleRow() ? modelRow.localizedSectionKeyString() : field.localizedUIString
+            cell.key = tr(format: "macDetailFieldKey (%@)", localizedKeyString)
+            cell.value = peerData[field]
+            cell.isKeyInBold = modelRow.isTitleRow()
+            return cell
+        case .spacerRow:
+            return NSView()
+        }
+    }
+}