First pass at using export settings.

app/gui-javafx/src/main/java/module-info.java

@@ -5,6 +5,7 @@ module org.applecommander.javafx {
     requires javafx.controls;
     requires javafx.graphics;
     requires org.applecommander.api;
+    requires org.applecommander.applesingle;
 
     opens org.applecommander.javafx to javafx.graphics;
     opens org.applecommander.javafx.settings to javafx.graphics;

app/gui-javafx/src/main/java/org/applecommander/javafx/FileView.java

@@ -39,6 +39,8 @@ import org.applecommander.capability.Capability;
 import org.applecommander.filestore.Directory;
 import org.applecommander.filestore.DisplayColumn;
 import org.applecommander.filestore.FileEntry;
+import org.applecommander.javafx.settings.ExportOption;
+import org.applecommander.javafx.settings.Settings;
 import org.applecommander.source.Source;
 import org.applecommander.source.Sources;
 
@@ -47,7 +49,6 @@ import java.io.IOException;
 import java.io.UncheckedIOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.StandardOpenOption;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
@@ -123,16 +124,17 @@ public class FileView extends BorderPane {
         fileTable.setOnDragDetected(event -> {
             if (!fileTable.getSelectionModel().getSelectedItems().isEmpty()) {
                 try {
+                    ExportOption exportOption = Settings.getExportOption();
                     Path tempDir = Files.createTempDirectory("AppleCommander-drag-");
                     tempDir.toFile().deleteOnExit();
                     List<File> files = new ArrayList<>();
-                    // TODO this should be configured by a setting
                     for (FileEntry fileEntry : fileTable.getSelectionModel().getSelectedItems()) {
-                        Path path = Path.of(TEMP_DIRECTORY, fileEntry.getName());
-                        Files.write(path, fileEntry.getDataFork().asBytes(), StandardOpenOption.CREATE);
-                        File file = path.toFile();
-                        file.deleteOnExit();
-                        files.add(file);
+                        // We may write two files, so copyToPath gives us ALL the names we care about
+                        for (Path path : exportOption.copyToPath(fileEntry, Path.of(TEMP_DIRECTORY, fileEntry.getName()))) {
+                            File file = path.toFile();
+                            file.deleteOnExit();
+                            files.add(file);
+                        }
                     }
                     ClipboardContent content = new ClipboardContent();
                     content.putFiles(files);

app/gui-javafx/src/main/java/org/applecommander/javafx/settings/ExportOption.java

@@ -19,18 +19,103 @@
  */
 package org.applecommander.javafx.settings;
 
+import org.applecommander.applesingle.AppleSingle;
+import org.applecommander.filestore.FileEntry;
+
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+import java.util.function.BiFunction;
+
 public enum ExportOption {
-    RAW_BINARY("Raw Binary (filename)"),
-    APPLE_SINGLE("AppleSingle (filename.as)"),
-    ATTRIBUTE_PRESERVATION("ProDOS Attribute Preservation (filename#TTAAAA.ext)");
+    RAW_BINARY("Raw Binary (filename)", ExportOption::copyToRawBinary),
+    APPLE_SINGLE("AppleSingle (filename.as)", ExportOption::copyToAppleSingle),
+    ATTRIBUTE_PRESERVATION("ProDOS Attribute Preservation (filename#TTAAAA.ext)", ExportOption::copyWithAttributePreservation);
 
     private final String description;
+    private final BiFunction<FileEntry,Path,List<Path>> copyFn;
 
-    ExportOption(String description) {
+    ExportOption(String description, BiFunction<FileEntry,Path,List<Path>> copyFn) {
+        Objects.requireNonNull(description, "description cannot be null");
+        Objects.requireNonNull(copyFn, "copyFn cannot be null");
         this.description = description;
+        this.copyFn = copyFn;
     }
 
     public String getDescription() {
         return description;
     }
+
+    public List<Path> copyToPath(FileEntry fileEntry, Path destination) {
+        return copyFn.apply(fileEntry, destination);
+    }
+
+    public static Path addToFilename(Path path, String suffix) {
+        String name = path.getFileName().toString();
+        int idx = name.lastIndexOf('.');
+        if (idx == -1) {
+            return path.resolveSibling(name.concat(suffix));
+        }
+        name = name.substring(0, idx).concat(suffix).concat(name.substring(idx + 1));
+        return path.resolve(name);
+    }
+
+    public static List<Path> copyToRawBinary(FileEntry fileEntry, Path destination) {
+        try {
+            List<Path> paths = new ArrayList<>();
+            paths.add(destination);
+            Files.write(destination, fileEntry.getDataFork().asBytes(), StandardOpenOption.CREATE);
+            if (fileEntry.getResourceFork().isPresent()) {
+                Files.write(addToFilename(destination, "-rsrc"), fileEntry.getResourceFork().get().asBytes(),
+                        StandardOpenOption.CREATE);
+            }
+            return paths;
+        } catch (IOException ex) {
+            throw new UncheckedIOException(ex);
+        }
+    }
+
+    public static List<Path> copyToAppleSingle(FileEntry fileEntry, Path destination) {
+        try {
+            List<Path> paths = new ArrayList<>();
+            destination = destination.resolveSibling(destination.getFileName() + ".as");
+            paths.add(destination);
+            // TODO need to get ProDOS-ified file type + some mechanism for access bits + dates. Maybe it fits in FileStore??
+            AppleSingle.Builder builder = AppleSingle.builder()
+                    .realName(fileEntry.getName())
+                    .dataFork(fileEntry.getDataFork().asBytes());
+            fileEntry.getResourceFork().ifPresent(resourceFork -> builder.resourceFork(resourceFork.asBytes()));
+            builder.build().save(destination);
+            return paths;
+        } catch (IOException ex) {
+            throw new UncheckedIOException(ex);
+        }
+    }
+
+    public static List<Path> copyWithAttributePreservation(FileEntry fileEntry, Path destination) {
+        try {
+            List<Path> paths = new ArrayList<>();
+            String name = fileEntry.getName();
+            String ext = fileEntry.getFiletype();
+            int idx = name.lastIndexOf('.');
+            if (idx > -1) {
+                ext = name.substring(idx + 1);
+                name = name.substring(0, idx);
+            }
+            Path dataForkPath = destination.resolveSibling(String.format("%s#TTAAAA.%s", name, ext));
+            Files.write(dataForkPath, fileEntry.getDataFork().asBytes(), StandardOpenOption.CREATE);
+            if (fileEntry.getResourceFork().isPresent()) {
+                Path resourceForkPath = destination.resolve(String.format("%s#TTAAAA_rsrc_.%s", name, ext));
+                Files.write(resourceForkPath, fileEntry.getResourceFork().get().asBytes(), StandardOpenOption.CREATE);
+            }
+            return paths;
+        } catch (IOException ex) {
+            throw new UncheckedIOException(ex);
+        }
+    }
 }

app/gui-javafx/src/main/java/org/applecommander/javafx/settings/Settings.java

@@ -60,13 +60,13 @@ public abstract class Settings {
         prefs.put(THEME_SELECTION, themeSelection.name());
     }
 
-    public static Optional<ExportOption> getExportOption() {
+    public static ExportOption getExportOption() {
         Preferences prefs = Preferences.userNodeForPackage(AppleCommanderFX.class);
         String exportName = prefs.get(EXPORT_OPTION, null);
         if (exportName == null || exportName.isBlank()) {
-            return Optional.of(ExportOption.RAW_BINARY);
+            return ExportOption.RAW_BINARY;
         }
-        return Optional.of(ExportOption.valueOf(exportName));
+        return ExportOption.valueOf(exportName);
     }
 
     public static void setExportOption(ExportOption exportOption) {

app/gui-javafx/src/main/java/org/applecommander/javafx/settings/SettingsDialog.java

@@ -74,7 +74,7 @@ public class SettingsDialog {
         Objects.requireNonNull(parent);
 
         Settings.getThemeSelection().ifPresent(themeSelection::set);
-        Settings.getExportOption().ifPresent(exportOption::set);
+        exportOption.set(Settings.getExportOption());
 
         Window window = dialog.getDialogPane().getScene().getWindow();
 

lib/ac-api/src/main/java/com/webcodepro/applecommander/storage/DiskFileStoreAdapter.java

@@ -222,10 +222,6 @@ public class DiskFileStoreAdapter implements FileStore {
             return DataBuffer.wrap(fileEntry.getFileData());
         }
         @Override
-        public Optional<DataBuffer> getResourceFork() {
-            throw new RuntimeException("Not supported by the legacy AppleCommander.");
-        }
-        @Override
         public void setDataFork(DataBuffer fileData) {
             try {
                 fileEntry.setFileData(fileData.asBytes());