import customized table (#160)

src/config/importtable.swift

@@ -0,0 +1,94 @@
+import Fcitx
+import Logging
+import SwiftUI
+
+class ImportTableVM: ObservableObject {
+  // Record IMs and auto add new ones.
+  @Published private(set) var ims = [String]()
+  var onError: (String) -> Void = { _ in }
+  var finalize: () -> Void = {}
+
+  func setHandler(onError: @escaping (String) -> Void, finalize: @escaping () -> Void) {
+    self.onError = onError
+    self.finalize = finalize
+  }
+
+  func load() {
+    ims = getFileNamesWithExtension(imLocalDir.localPath(), ".conf")
+  }
+}
+
+private func convertTxt() -> [String] {
+  let converter = libraryDir.appendingPathComponent("bin/libime_tabledict").localPath()
+  let tables = getFileNamesWithExtension(tableLocalDir.localPath(), ".txt")
+  return tables.filter({ table in
+    let src = tableLocalDir.appendingPathComponent("\(table).txt")
+    return
+      !(exec(
+        converter,
+        [src.localPath(), tableLocalDir.appendingPathComponent("\(table).dict").localPath()])
+      && removeFile(src))
+  })
+}
+
+struct ImportTableView: View {
+  @Environment(\.presentationMode) var presentationMode
+
+  @ObservedObject private var importTableVM = ImportTableVM()
+
+  func load(onError: @escaping (String) -> Void, finalize: @escaping () -> Void) -> some View {
+    mkdirP(imLocalDir.localPath())
+    mkdirP(tableLocalDir.localPath())
+    importTableVM.setHandler(onError: onError, finalize: finalize)
+    importTableVM.load()
+    return self
+  }
+
+  var body: some View {
+    VStack {
+      Button {
+        NSWorkspace.shared.open(imLocalDir)
+      } label: {
+        Text("Copy \\*.conf to this directory")
+      }
+      Button {
+        NSWorkspace.shared.open(tableLocalDir)
+      } label: {
+        Text("Copy \\*.dict/\\*.txt to this directory")
+      }
+
+      Spacer().frame(height: gapSize)
+
+      HStack {
+        Button {
+          presentationMode.wrappedValue.dismiss()
+        } label: {
+          Text("Cancel")
+        }
+
+        Button {
+          let existingIMs = Set(importTableVM.ims)
+          let failures = convertTxt()
+          importTableVM.load()
+          let newIMs = importTableVM.ims.filter({ im in !existingIMs.contains(im) })
+          restartAndReconnect()
+          if Fcitx.imGroupCount() == 1 {
+            for im in newIMs {
+              Fcitx.imAddToCurrentGroup(im)
+            }
+          }
+          presentationMode.wrappedValue.dismiss()
+          if !failures.isEmpty {
+            let msg = String(
+              format: NSLocalizedString("Failed to convert txt table(s): %@", comment: ""),
+              failures.joined(separator: ", "))
+            importTableVM.onError(msg)
+          }
+          importTableVM.finalize()
+        } label: {
+          Text("Reload")
+        }.buttonStyle(.borderedProminent)
+      }
+    }.padding()
+  }
+}

src/config/inputmethod.swift

@@ -1,3 +1,4 @@
+import AlertToast
 import Fcitx
 import Logging
 import SwiftUI
@@ -69,6 +70,10 @@ struct InputMethodConfigView: View {
   @State fileprivate var addToGroup: Group?
   @State var mouseHoverIMID: UUID?
 
+  @State private var showImportTable = false
+  @State private var importTableErrorMsg = ""
+  @State private var showImportTableError = false
+
   var body: some View {
     NavigationSplitView {
       List(selection: $viewModel.selectedItem) {
@@ -189,15 +194,38 @@ struct InputMethodConfigView: View {
           } label: {
             Text("Cancel")
           }
+
+          Spacer()
+
+          Button {
+            showImportTable = true
+          } label: {
+            Text("Import customized table")
+          }
           Button {
             add()
             addingInputMethod = false
           } label: {
             Text("Add")
           }.buttonStyle(.borderedProminent)
-            .disabled(inputMethodsToAdd.count == 0)
+            .disabled(inputMethodsToAdd.isEmpty)
         }.padding()
       }.padding([.top])
+        .sheet(isPresented: $showImportTable) {
+          ImportTableView().load(
+            onError: { msg in
+              importTableErrorMsg = msg
+              showImportTableError = true
+            },
+            finalize: {
+              refresh()
+            })
+        }
+        .toast(isPresenting: $showImportTableError) {
+          AlertToast(
+            displayMode: .hud,
+            type: .error(Color.red), title: importTableErrorMsg)
+        }
     }
   }
 

src/config/util.swift

@@ -182,7 +182,12 @@ func exec(_ command: String, _ args: [String]) -> Bool {
   process.launchPath = command
   process.arguments = args
 
-  process.launch()
-  process.waitUntilExit()
-  return process.terminationStatus == 0
+  do {
+    try process.run()
+    process.waitUntilExit()
+    return process.terminationStatus == 0
+  } catch {
+    FCITX_ERROR("Fatal error executing \(command) \(args)")
+    return false
+  }
 }