Java Code Examples for javafx.scene.control.ComboBox#setEditable()

private Node createNode()
{
	final Node             groupField      = rootNode.get();
	final ComboBox<String> datasetDropDown = new ComboBox<>(datasetChoices);
	datasetDropDown.setPromptText(datasetPromptText);
	datasetDropDown.setEditable(false);
	datasetDropDown.valueProperty().bindBidirectional(dataset);
	datasetDropDown.disableProperty().bind(this.isDropDownReady);
	final GridPane grid = new GridPane();
	grid.add(groupField, 0, 0);
	grid.add(datasetDropDown, 0, 1);
	GridPane.setHgrow(groupField, Priority.ALWAYS);
	GridPane.setHgrow(datasetDropDown, Priority.ALWAYS);
	final Button button = new Button("Browse");
	button.setOnAction(event -> onBrowseClicked.accept(grid.getScene()));
	grid.add(button, 1, 0);

	return grid;
}
 

public ComboBoxSample() {

        HBox hbox = HBoxBuilder.create().alignment(Pos.CENTER).spacing(15).build();
               
        //Non-editable combobox. Created with a builder
        ComboBox uneditableComboBox = ComboBoxBuilder.create()
                .id("uneditable-combobox")
                .promptText("Make a choice...")
                .items(FXCollections.observableArrayList(strings.subList(0, 8))).build();

        //Editable combobox. Use the default item display length
        ComboBox<String> editableComboBox = new ComboBox<String>();
        editableComboBox.setId("second-editable");
        editableComboBox.setPromptText("Edit or Choose...");
        editableComboBox.setItems(strings);
        editableComboBox.setEditable(true);

        hbox.getChildren().addAll(uneditableComboBox, editableComboBox);
        getChildren().add(hbox);
    }
 

public ComboBoxSample() {

        HBox hbox = HBoxBuilder.create().alignment(Pos.CENTER).spacing(15).build();
               
        //Non-editable combobox. Created with a builder
        ComboBox uneditableComboBox = ComboBoxBuilder.create()
                .id("uneditable-combobox")
                .promptText("Make a choice...")
                .items(FXCollections.observableArrayList(strings.subList(0, 8))).build();

        //Editable combobox. Use the default item display length
        ComboBox<String> editableComboBox = new ComboBox<String>();
        editableComboBox.setId("second-editable");
        editableComboBox.setPromptText("Edit or Choose...");
        editableComboBox.setItems(strings);
        editableComboBox.setEditable(true);

        hbox.getChildren().addAll(uneditableComboBox, editableComboBox);
        getChildren().add(hbox);
    }
 

public Node createNode()
{
	final TextField groupField = new TextField(group.getValue());
	groupField.setMinWidth(0);
	groupField.setMaxWidth(Double.POSITIVE_INFINITY);
	groupField.setPromptText(groupPromptText);
	groupField.textProperty().bindBidirectional(group);
	final ComboBox<String> datasetDropDown = new ComboBox<>(datasetChoices);
	datasetDropDown.setPromptText(datasetPromptText);
	datasetDropDown.setEditable(false);
	datasetDropDown.valueProperty().bindBidirectional(dataset);
	datasetDropDown.setMinWidth(groupField.getMinWidth());
	datasetDropDown.setPrefWidth(groupField.getPrefWidth());
	datasetDropDown.setMaxWidth(groupField.getMaxWidth());
	datasetDropDown.disableProperty().bind(this.isDropDownReady);
	final GridPane grid = new GridPane();
	grid.add(groupField, 0, 0);
	grid.add(datasetDropDown, 0, 1);
	GridPane.setHgrow(groupField, Priority.ALWAYS);
	GridPane.setHgrow(datasetDropDown, Priority.ALWAYS);
	final Button button = new Button("Browse");
	button.setOnAction(event -> {
		Optional.ofNullable(onBrowseClicked.apply(group.getValue(), grid.getScene())).ifPresent(group::setValue);
	});
	grid.add(button, 1, 0);

	groupField.effectProperty().bind(
			Bindings.createObjectBinding(
					() -> groupField.isFocused() ? this.textFieldNoErrorEffect : groupErrorEffect.get(),
					groupErrorEffect,
					groupField.focusedProperty()
			                            ));

	return grid;
}
 

/**
 * 添加自定义属性
 * 
 * @param event
 */
public void onAddPropertyToTable(ActionEvent event) {
	LOG.debug("执行添加自定义属性...");
	ComboBox<String> comboBox = new ComboBox<>();
	comboBox.promptTextProperty().bind(Main.LANGUAGE.get(LanguageKey.SET_CBO_TEMPLATE));
	comboBox.prefWidthProperty().bind(tdTemplate.widthProperty());
	comboBox.setEditable(true);
	comboBox.getItems().addAll(indexController.getTemplateNameItems());
	TableAttributeKeyValueTemplate attribute = new TableAttributeKeyValueTemplate(txtKey.getText(), txtPackageName.getText(),
			txtClassName.getText(), Constant.JAVA_SUFFIX, comboBox);
	tblPropertyValues.add(attribute);
	LOG.debug("添加自定义属性-->成功!");
}
 

/**
 * 添加自定义属性
 * 
 * @param event
 */
public void onAddPropertyToTable(ActionEvent event) {
	LOG.debug("执行添加自定义属性...");
	ComboBox<String> comboBox = new ComboBox<>();
	comboBox.promptTextProperty().bind(Main.LANGUAGE.get(LanguageKey.SET_CBO_TEMPLATE));
	comboBox.prefWidthProperty().bind(tdTemplate.widthProperty());
	comboBox.setEditable(true);
	comboBox.getItems().addAll(indexController.getTemplateNameItems());
	TableAttributeKeyValueTemplate attribute = new TableAttributeKeyValueTemplate(txtKey.getText(), txtPackageName.getText(),
			txtClassName.getText(), Constant.JAVA_SUFFIX, comboBox);
	tblPropertyValues.add(attribute);
	LOG.debug("添加自定义属性-->成功!");
}
 

/**
 * Creates and returns demo widget
 * @return  the control for demo-ing widget
 */
public GridPane getStuffControl() {
    GridPane gp = new GridPane();
    gp.setPadding(new Insets(5, 5, 5, 5));
    gp.setHgap(5);
    
    ComboBox<String> stuffCombo = new ComboBox<>();
    stuffCombo.setEditable(true);
    stuffCombo.setPromptText("Add stuff...");
    stuffCombo.getItems().addAll(
        "Stuff",
        "contained",
        "within",
        "the",
        "combo"
    );
    
    Label l = new Label("Select or enter example text:");
    l.setFont(Font.font(l.getFont().getFamily(), 10));
    l.setTextFill(Color.WHITE);
    Button add = new Button("Add");
    add.setOnAction(e -> stuffCombo.getItems().add(stuffCombo.getSelectionModel().getSelectedItem()));
    Button del = new Button("Clear");
    del.setOnAction(e -> stuffCombo.getSelectionModel().clearSelection());
    gp.add(l, 0, 0, 2, 1);
    gp.add(stuffCombo, 0, 1, 2, 1);
    gp.add(add, 2, 1);
    gp.add(del, 3, 1);
    
    return gp;
}
 

@Override
public ComboBox<String> createJFXNode() throws Exception
{
    final ComboBox<String> combo = new ComboBox<>();
    if (! toolkit.isEditMode())
    {
        // 'editable' cannot be changed at runtime
        combo.setEditable(model_widget.propEditable().getValue());

        // Handle user's selection
        combo.setOnAction((event)->
        {   // We are updating the UI, ignore
            if (active)
                return;
            final String value = combo.getValue();
            if (value != null)
            {
                // Restore current value
                contentChanged(null, null, null);
                // ... which should soon be replaced by updated value, if accepted
                Platform.runLater(() -> confirm(value));
            }
        });

        // Also write to PV when user re-selects the current value
        combo.setCellFactory(list ->
        {
            final ListCell<String> cell = new ListCell<>()
            {
                @Override
                public void updateItem(final String item, final boolean empty)
                {
                    super.updateItem(item, empty);
                    if ( !empty )
                        setText(item);
                }
            };
            cell.addEventFilter(MouseEvent.MOUSE_PRESSED, e ->
            {
                // Is this a click on the 'current' value which would by default be ignored?
                if (Objects.equals(combo.getValue(), cell.getItem()))
                {
                    combo.fireEvent(new ActionEvent());
                    //  Alternatively...
                    //combo.setValue(null);
                    //combo.getSelectionModel().select(cell.getItem());
                    e.consume();
                }
            });

            return cell;
        });

        combo.setOnMouseClicked(event -> {
            // Secondary mouse button should bring up context menu,
            // but not show selections (i.e. not expand drop-down).
            if(event.getButton().equals(MouseButton.SECONDARY)){
                combo.hide();
            }
        });

    }
    contentChanged(null, null, null);
    return combo;
}
 

private ToolBar createToolbar()
{
    final Button[] undo_redo = UndoButtons.createButtons(undo);

    final ComboBox<String> zoom_levels = new ComboBox<>();
    zoom_levels.getItems().addAll(JFXRepresentation.ZOOM_LEVELS);
    zoom_levels.setEditable(true);
    zoom_levels.setValue(JFXRepresentation.DEFAULT_ZOOM_LEVEL);
    zoom_levels.setTooltip(new Tooltip(Messages.SelectZoomLevel));
    zoom_levels.setPrefWidth(100.0);
    // For Ctrl-Wheel zoom gesture
    zoomListener zl = new zoomListener(zoom_levels);
    toolkit.setZoomListener(zl);
    zoom_levels.setOnAction(event ->
    {
        final String before = zoom_levels.getValue();
        if (before == null)
            return;
        final String actual = requestZoom(before);
        // Java 9 results in IndexOutOfBoundException
        // when combo is updated within the action handler,
        // so defer to another UI tick
        Platform.runLater(() ->
            zoom_levels.setValue(actual));
    });

    final MenuButton order = new MenuButton(null, null,
        createMenuItem(ActionDescription.TO_BACK),
        createMenuItem(ActionDescription.MOVE_UP),
        createMenuItem(ActionDescription.MOVE_DOWN),
        createMenuItem(ActionDescription.TO_FRONT));
    order.setTooltip(new Tooltip(Messages.Order));

    final MenuButton align = new MenuButton(null, null,
        createMenuItem(ActionDescription.ALIGN_LEFT),
        createMenuItem(ActionDescription.ALIGN_CENTER),
        createMenuItem(ActionDescription.ALIGN_RIGHT),
        createMenuItem(ActionDescription.ALIGN_TOP),
        createMenuItem(ActionDescription.ALIGN_MIDDLE),
        createMenuItem(ActionDescription.ALIGN_BOTTOM),
        createMenuItem(ActionDescription.ALIGN_GRID));
    align.setTooltip(new Tooltip(Messages.Align));

    final MenuButton size = new MenuButton(null, null,
        createMenuItem(ActionDescription.MATCH_WIDTH),
        createMenuItem(ActionDescription.MATCH_HEIGHT));
    size.setTooltip(new Tooltip(Messages.Size));

    final MenuButton dist = new MenuButton(null, null,
        createMenuItem(ActionDescription.DIST_HORIZ),
        createMenuItem(ActionDescription.DIST_VERT));
    dist.setTooltip(new Tooltip(Messages.Distribute));

    // Use the first item as the icon for the drop-down...
    try
    {
        order.setGraphic(ImageCache.getImageView(ActionDescription.TO_BACK.getIconResourcePath()));
        align.setGraphic(ImageCache.getImageView(ActionDescription.ALIGN_LEFT.getIconResourcePath()));
        size.setGraphic(ImageCache.getImageView(ActionDescription.MATCH_WIDTH.getIconResourcePath()));
        dist.setGraphic(ImageCache.getImageView(ActionDescription.DIST_HORIZ.getIconResourcePath()));
    }
    catch (Exception ex)
    {
        logger.log(Level.WARNING, "Cannot load icon", ex);
    }


    return new ToolBar(
        grid = createToggleButton(ActionDescription.ENABLE_GRID),
        snap = createToggleButton(ActionDescription.ENABLE_SNAP),
        coords = createToggleButton(ActionDescription.ENABLE_COORDS),
        new Separator(),
        order,
        align,
        size,
        dist,
        new Separator(),
        undo_redo[0],
        undo_redo[1],
        new Separator(),
        zoom_levels);
}
 

@Override
public void start(Stage stage) {
	stage.setTitle("ComboBox");

	// non-editable column
	VBox nonEditBox = new VBox(15);

	ComboBox comboBox1 = new ComboBox();
	comboBox1.setEditable(true);
	comboBox1.setItems(FXCollections.observableArrayList(strings.subList(0,
			4)));
	comboBox1.sceneProperty().addListener(new InvalidationListener() {

		@Override
		public void invalidated(Observable arg0) {
			System.out.println("sceneProperty changed!");
		}
	});

	nonEditBox.getChildren().add(comboBox1);

	ComboBox comboBox2 = new ComboBox();
	comboBox2.setEditable(true);
	comboBox2.setItems(FXCollections.observableArrayList(strings.subList(0,
			5)));
	nonEditBox.getChildren().add(comboBox2);

	TextField textField1 = new TextField();
	nonEditBox.getChildren().add(textField1);

	nonEditBox.addEventHandler(KeyEvent.ANY, new EventHandler<KeyEvent>() {

		@Override
		public void handle(KeyEvent keyEvent) {
			if (keyEvent.getCode().equals(KeyCode.BACK_SPACE)
					|| keyEvent.getCode().equals(KeyCode.DELETE)) {
				System.out.println("VBox is receiving key event !");
			}
		}
	});

	HBox vbox = new HBox(20);
	vbox.setLayoutX(40);
	vbox.setLayoutY(25);

	vbox.getChildren().addAll(nonEditBox);
	Scene scene = new Scene(new Group(vbox), 620, 190);

	stage.setScene(scene);
	stage.show();

	// scene.impl_focusOwnerProperty().addListener(new
	// ChangeListener<Node>() {
	// public void changed(ObservableValue<? extends Node> ov, Node t, Node
	// t1) {
	// System.out.println("focus moved from " + t + " to " + t1);
	// }
	// });
}