#79: add shortcut to navigate through vaults

* CTRL + UP
* CTRL + DOWN

main/ui/src/main/java/org/cryptomator/ui/controllers/MainController.java

@@ -74,6 +74,8 @@ import javafx.scene.control.MenuItem;
 import javafx.scene.control.ToggleButton;
 import javafx.scene.image.Image;
 import javafx.scene.input.KeyCode;
+import javafx.scene.input.KeyCodeCombination;
+import javafx.scene.input.KeyCombination;
 import javafx.scene.input.KeyEvent;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.layout.HBox;
@@ -107,6 +109,9 @@ public class MainController implements ViewController {
 	private final BooleanBinding isShowingSettings;
 	private final Map<Vault, UnlockedController> unlockedVaults = new HashMap<>();
 
+	private final KeyCombination keyCodeCombinationCtrlUp = new KeyCodeCombination(KeyCode.UP, KeyCombination.CONTROL_DOWN);
+	private final KeyCombination keyCodeCombinationCtrlDown = new KeyCodeCombination(KeyCode.DOWN, KeyCombination.CONTROL_DOWN);
+
 	private Subscription subs = Subscription.EMPTY;
 
 	@Inject
@@ -171,6 +176,7 @@ public class MainController implements ViewController {
 		vaultList.setItems(vaults);
 		vaultList.setOnKeyReleased(this::didPressKeyOnList);
 		vaultList.setCellFactory(this::createDirecoryListCell);
+		root.setOnKeyReleased(this::didPressKeyOnRoot);
 		activeController.set(viewControllerLoader.load("/fxml/welcome.fxml"));
 		selectedVault.bind(vaultList.getSelectionModel().selectedItemProperty());
 		removeVaultButton.disableProperty().bind(canEditSelectedVault.not());
@@ -408,6 +414,19 @@ public class MainController implements ViewController {
 		}
 	}
 
+	private void didPressKeyOnRoot(KeyEvent event) {
+		if (keyCodeCombinationCtrlUp.match(event)) {
+			vaultList.getSelectionModel().select(
+					vaultList.getSelectionModel().getSelectedIndex() == 0 ? 0
+							: vaultList.getSelectionModel().getSelectedIndex() - 1);
+		} else if (keyCodeCombinationCtrlDown.match(event)) {
+			vaultList.getSelectionModel().select(
+					vaultList.getSelectionModel().getSelectedIndex() == vaultList.getItems().size()
+							? vaultList.getItems().size()
+							: vaultList.getSelectionModel().getSelectedIndex() + 1);
+		}
+	}
+
 	private void didClickOnListCell(MouseEvent e) {
 		if (MouseEvent.MOUSE_CLICKED.equals(e.getEventType()) && e.getSource() instanceof Cell && ((Cell<?>) e.getSource()).isSelected()) {
 			activeController.get().focus();