finish implementation for iOS

2025-09-29 16:09:00 -07:00
parent 265d393cdc
commit 62e36359b8
5 changed files with 369 additions and 105 deletions
--- a/App/Settings/ManageSearchEnginesViewController.swift
+++ b/App/Settings/ManageSearchEnginesViewController.swift
@@ -0,0 +1,139 @@
+//
+//  ManageSearchEnginesViewController.swift
+//  App
+//
+//  Created by James Magahern on 9/29/25.
+//
+
+import SwiftUI
+import UIKit
+
+@MainActor
+struct ManageSearchEnginesView: View
+{
+    @State var model: ViewModel
+
+    var body: some View {
+        Form {
+            Section {
+                List($model.configuredEngines, editActions: .delete) { row in
+                    HStack {
+                        Image(uiImage: .checkmark)
+                            .opacity(row.wrappedValue.isDefault ? 1.0 : 0.0)
+
+                        VStack(alignment: .leading) {
+                            Text(row.wrappedValue.name)
+                                .font(.body)
+                                .bold()
+
+                            Text(row.wrappedValue.url)
+                                .font(.caption)
+                        }
+                    }
+                    .id(row.id)
+
+                    .swipeActions(edge: .leading) {
+                        Button { model.makeDefault(row.id) } label: {
+                            Label("Make Default", systemImage: "checkmark")
+                        }
+                        .tint(.blue)
+                    }
+
+                    .swipeActions(edge: .trailing) {
+                        Button(role: .destructive) { model.deleteEngine(row.id) } label: {
+                            Label("Delete", systemImage: "trash")
+                        }
+                        .disabled(model.configuredEngines.count <= 1)
+                    }
+                }
+            }
+
+            Section {
+                Button("Add Search Engine…") {
+                    model.onAddSearchEngine()
+                }
+            }
+        }
+    }
+
+    // MARK: - Types
+
+    @MainActor
+    @Observable
+    class ViewModel
+    {
+        var configuredEngines: [ConfiguredEngine] = []
+        var onAddSearchEngine: () -> Void = {}
+        var onChangeEngines: () -> Void = {}
+
+        init() {
+            reloadConfiguredEngines()
+        }
+
+        func reloadConfiguredEngines() {
+            let defaultEngine = Settings.shared.defaultSearchEngineName
+            self.configuredEngines = Settings.shared.searchEngines.map { val in
+                ConfiguredEngine(
+                    name: val.key,
+                    url: val.value,
+                    isDefault: val.key == defaultEngine
+                )
+            }
+        }
+
+        func deleteEngine(_ id: ConfiguredEngine.ID) {
+            let engine = configuredEngines.first { $0.url == id }!
+
+            var engines = Settings.shared.searchEngines
+            engines.removeValue(forKey: engine.name)
+            Settings.shared.searchEngines = engines
+
+            if engine.isDefault {
+                // Pick another default
+                if let firstEngine = engines.first {
+                    Settings.shared.defaultSearchEngineName = firstEngine.key
+                }
+            }
+
+            reloadConfiguredEngines()
+            onChangeEngines()
+        }
+
+        func makeDefault(_ id: ConfiguredEngine.ID) {
+            let engineName = configuredEngines.first { $0.url == id }!.name
+            Settings.shared.defaultSearchEngineName = engineName
+
+            reloadConfiguredEngines()
+            onChangeEngines()
+        }
+    }
+
+    struct ConfiguredEngine: Identifiable
+    {
+        let name: String
+        let url: String
+        let isDefault: Bool
+
+        var id: String { url }
+    }
+}
+
+@MainActor
+class ManageSearchEnginesViewController: UIHostingController<ManageSearchEnginesView>
+{
+    let model: ManageSearchEnginesView.ViewModel
+    
+    init() {
+        self.model = ManageSearchEnginesView.ViewModel()
+        super.init(rootView: ManageSearchEnginesView(model: model))
+    }
+    
+    required dynamic init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+}
+
+#Preview {
+    @Previewable @State var model = ManageSearchEnginesView.ViewModel()
+    ManageSearchEnginesView(model: model)
+}