Method init

src/main/java/matcher/gui/menu/LoadProjectPane.java:40–101

()

	}

	private void init() {
		getChildren().add(new Label("Input directories:"));

		ListView<Path> list = new ListView<>(FXCollections.observableList(paths));
		getChildren().add(list);

		list.getSelectionModel().setSelectionMode(SelectionMode.MULTIPLE);
		list.setPrefWidth(320);
		list.setPrefHeight(200);
		VBox.setVgrow(list, Priority.ALWAYS);

		HBox footer = new HBox(GuiConstants.padding);
		getChildren().add(footer);

		footer.setAlignment(Pos.CENTER_RIGHT);

		Button button = new Button("add");
		footer.getChildren().add(button);
		button.setOnAction(event -> {
			Path path = Gui.requestDir("Select directory to add", window);
			if (path != null && !list.getItems().contains(path)) list.getItems().add(path);
		});

		Button removeButton = new Button("remove");
		footer.getChildren().add(removeButton);
		removeButton.setOnAction(event -> {
			Set<Path> selected = new HashSet<>(list.getSelectionModel().getSelectedItems());
			list.getItems().removeIf(selected::contains);
		});

		Button upButton = new Button("up");
		footer.getChildren().add(upButton);
		upButton.setOnAction(event -> GuiUtil.moveSelectionUp(list));

		Button downButton = new Button("down");
		footer.getChildren().add(downButton);
		downButton.setOnAction(event -> GuiUtil.moveSelectionDown(list));

		ListChangeListener<Path> itemChangeListener = change -> {
			okButton.setDisable(paths.isEmpty());
		};

		list.getItems().addListener(itemChangeListener);

		ListChangeListener<Path> selectChangeListener = change -> {
			List<Integer> selectedIndices = list.getSelectionModel().getSelectedIndices();
			boolean empty = selectedIndices.isEmpty();

			removeButton.setDisable(empty);
			upButton.setDisable(empty);
			downButton.setDisable(empty);
		};

		list.getSelectionModel().getSelectedItems().addListener(selectChangeListener);

		itemChangeListener.onChanged(null);
		selectChangeListener.onChanged(null);