add button bar and hint bar to the table view

src/main/java/org/cryptomator/ui/decryptname/DecryptFileNamesViewController.java

@@ -7,6 +7,7 @@ import org.cryptomator.ui.common.FxController;
 import org.cryptomator.ui.controls.FontAwesome5Icon;
 
 import javax.inject.Inject;
+import javax.tools.Tool;
 import javafx.application.Platform;
 import javafx.beans.property.BooleanProperty;
 import javafx.beans.property.ListProperty;
@@ -21,7 +22,12 @@ import javafx.collections.FXCollections;
 import javafx.fxml.FXML;
 import javafx.scene.control.TableColumn;
 import javafx.scene.control.TableView;
+import javafx.scene.control.Tooltip;
 import javafx.scene.control.cell.PropertyValueFactory;
+import javafx.scene.input.Clipboard;
+import javafx.scene.input.DataFormat;
+import javafx.scene.input.KeyCode;
+import javafx.scene.input.KeyCodeCombination;
 import javafx.scene.input.TransferMode;
 import javafx.stage.FileChooser;
 import javafx.stage.Stage;
@@ -30,13 +36,17 @@ import java.io.IOException;
 import java.io.UncheckedIOException;
 import java.nio.file.Path;
 import java.util.List;
+import java.util.Map;
 import java.util.ResourceBundle;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
 
 @DecryptNameScoped
 public class DecryptFileNamesViewController implements FxController {
 
+	private static final KeyCodeCombination COPY_TO_CLIPBOARD_SHORTCUT = new KeyCodeCombination(KeyCode.C, KeyCodeCombination.SHORTCUT_DOWN);
+
 	private final ListProperty<CipherAndCleartext> mapping;
 	private final StringProperty dropZoneText = new SimpleStringProperty();
 	private final ObjectProperty<FontAwesome5Icon> dropZoneIcon = new SimpleObjectProperty<>();
@@ -66,7 +76,7 @@ public class DecryptFileNamesViewController implements FxController {
 	public void initialize() {
 		cipherToCleartextTable.setItems(mapping);
 		cipherToCleartextTable.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY_ALL_COLUMNS);
-		cipherToCleartextTable.getSelectionModel().setCellSelectionEnabled(true);
+		//DragNDrop
 		cipherToCleartextTable.setOnDragEntered(event -> {
 			if (event.getGestureSource() == null && event.getDragboard().hasFiles()) {
 				cipherToCleartextTable.setItems(FXCollections.emptyObservableList());
@@ -88,6 +98,20 @@ public class DecryptFileNamesViewController implements FxController {
 			}
 		});
 		cipherToCleartextTable.setOnDragExited(_ -> cipherToCleartextTable.setItems(mapping));
+		//selectionModel and copy-to-clipboard action
+		cipherToCleartextTable.getSelectionModel().setCellSelectionEnabled(true);
+		cipherToCleartextTable.setOnKeyPressed(keyEvent -> {
+			if (COPY_TO_CLIPBOARD_SHORTCUT.match(keyEvent)) {
+				cipherToCleartextTable.getSelectionModel().getSelectedCells().stream().findFirst().ifPresent(tablePosition -> {
+					var selectedItem = cipherToCleartextTable.getSelectionModel().getSelectedItem();
+					if (tablePosition.getTableColumn().equals(ciphertextColumn)) {
+						Clipboard.getSystemClipboard().setContent(Map.of(DataFormat.PLAIN_TEXT, selectedItem.ciphertext().toString()));
+					} else {
+						Clipboard.getSystemClipboard().setContent(Map.of(DataFormat.PLAIN_TEXT, selectedItem.cleartextName()));
+					}
+				});
+			}
+		});
 		ciphertextColumn.setCellValueFactory(new PropertyValueFactory<>("ciphertextFilename"));
 		cleartextColumn.setCellValueFactory(new PropertyValueFactory<>("cleartextName"));
 
@@ -177,4 +201,12 @@ public class DecryptFileNamesViewController implements FxController {
 		return dropZoneIcon.get();
 	}
 
+	public void clearTable() {
+		mapping.clear();
+	}
+
+	public void copyMappingToClipboard() {
+		var csv = mapping.stream().map(cipherAndClear -> "\"" + cipherAndClear.ciphertext() + "\", \"" + cipherAndClear.cleartextName() + "\"").collect(Collectors.joining("\n"));
+		Clipboard.getSystemClipboard().setContent(Map.of(DataFormat.PLAIN_TEXT, csv));
+	}
 }

src/main/resources/fxml/decryptnames.fxml

@@ -7,17 +7,39 @@
 <?import javafx.scene.control.TableView?>
 <?import javafx.scene.control.TableColumn?>
 <?import javafx.scene.control.Button?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.control.Tooltip?>
 <VBox xmlns="http://javafx.com/javafx"
 	  xmlns:fx="http://javafx.com/fxml"
 	  fx:controller="org.cryptomator.ui.decryptname.DecryptFileNamesViewController"
+	  styleClass="decrypt-name-window"
 	  minWidth="400"
 	  maxWidth="400"
 	  minHeight="145">
-	<padding>
-		<Insets topRightBottomLeft="24"/>
-	</padding>
-	<Label text="Decrypt File Name" styleClass="label-large"/>
-	<TableView fx:id="cipherToCleartextTable">
+	<HBox styleClass="button-bar" alignment="CENTER">
+		<padding>
+			<Insets left="6" />
+		</padding>
+		<Region HBox.hgrow="ALWAYS"/>
+		<Button styleClass="button-right" contentDisplay="GRAPHIC_ONLY" onAction="#copyMappingToClipboard">
+			<graphic>
+				<FontAwesome5IconView glyph="CLIPBOARD" glyphSize="16"/>
+			</graphic>
+			<tooltip>
+				<Tooltip text="Copy all mappings"/>
+			</tooltip>
+		</Button>
+		<Button styleClass="button-right" contentDisplay="GRAPHIC_ONLY" onAction="#clearTable">
+			<graphic>
+				<FontAwesome5IconView glyph="TRASH" glyphSize="16"/>
+			</graphic>
+			<tooltip>
+				<Tooltip text="Clear table"/>
+			</tooltip>
+		</Button>
+	</HBox>
+	<TableView fx:id="cipherToCleartextTable" VBox.vgrow="ALWAYS">
 		<placeholder>
 			<Button alignment="CENTER" onAction="#selectFiles" text="${controller.dropZoneText}" contentDisplay="TOP"  maxWidth="Infinity" maxHeight="Infinity">
 				<graphic>
@@ -38,4 +60,11 @@
 			</TableColumn>
 		</columns>
 	</TableView>
+	<HBox>
+		<padding>
+			<Insets topRightBottomLeft="6"/>
+		</padding>
+		<Region HBox.hgrow="ALWAYS"/>
+		<Label styleClass="label-small" text="Copy cell content with CTRL+C"/>
+	</HBox>
 </VBox>