javafx.scene.control.Dialog#setResizable ( )源码实例Demo

private void positionDialog(final Dialog<?> dialog)
{
    final List<Stage> stages = DockStage.getDockStages();
    DialogHelper.positionDialog(dialog, stages.get(0).getScene().getRoot(), -100, -100);
    dialog.setResizable(true);
    dialog.getDialogPane().setMinSize(280, 160);
}
 

/**
 * Show dialog
 *
 * @param selectedText
 * @return
 */
private String showDialog(String selectedText) {
    Dialog dialog = new Dialog();
    dialog.setTitle("Edit Hex");
    dialog.setResizable(false);
    TextField text1 = new TextField();
    text1.addEventFilter(KeyEvent.KEY_TYPED, hex_Validation(2));
    text1.setText(selectedText);
    StackPane dialogPane = new StackPane();
    dialogPane.setPrefSize(150, 50);
    dialogPane.getChildren().add(text1);
    dialog.getDialogPane().setContent(dialogPane);
    ButtonType buttonTypeOk = new ButtonType("Save", ButtonData.OK_DONE);
    dialog.getDialogPane().getButtonTypes().add(buttonTypeOk);
    dialog.setResultConverter(new Callback<ButtonType, String>() {
        @Override
        public String call(ButtonType b) {
            
            if (b == buttonTypeOk) {
                switch (text1.getText().length()) {
                    case 0:
                        return null;
                    case 1:
                        return "0".concat(text1.getText());
                    default:
                        return text1.getText();
                }
            }
            return null;
        }
    });
    
    Optional<String> result = dialog.showAndWait();
    if (result.isPresent()) {
        return result.get();
    }
    return null;
}
 

public Optional<String> showDialog(final String contentText) throws ProjectDirectoryNotSpecified
{

	if (this.defaultToTempDirectory) { return Optional.of(tmpDir()); }

	final StringProperty projectDirectory = new SimpleStringProperty(null);

	final ButtonType specifyProject = new ButtonType("Specify Project", ButtonData.OTHER);
	final ButtonType noProject      = new ButtonType("No Project", ButtonData.OK_DONE);

	final Dialog<String> dialog = new Dialog<>();
	dialog.setResultConverter(bt -> {
		return ButtonType.CANCEL.equals(bt)
		       ? null
		       : noProject.equals(bt)
		         ? tmpDir()
		         : projectDirectory.get();
	});

	dialog.getDialogPane().getButtonTypes().setAll(specifyProject, noProject, ButtonType.CANCEL);
	dialog.setTitle("Paintera");
	dialog.setHeaderText("Specify Project Directory");
	dialog.setContentText(contentText);

	final Node lookupProjectButton = dialog.getDialogPane().lookupButton(specifyProject);
	if (lookupProjectButton instanceof Button)
	{
		((Button) lookupProjectButton).setTooltip(new Tooltip("Look up project directory."));
	}
	Optional
			.ofNullable(dialog.getDialogPane().lookupButton(noProject))
			.filter(b -> b instanceof Button)
			.map(b -> (Button) b)
			.ifPresent(b -> b.setTooltip(new Tooltip("Create temporary project in /tmp.")));
	Optional
			.ofNullable(dialog.getDialogPane().lookupButton(ButtonType.CANCEL))
			.filter(b -> b instanceof Button)
			.map(b -> (Button) b)
			.ifPresent(b -> b.setTooltip(new Tooltip("Do not start Paintera.")));

	lookupProjectButton.addEventFilter(ActionEvent.ACTION, event -> {
		final DirectoryChooser chooser = new DirectoryChooser();
		final Optional<String> d       = Optional.ofNullable(chooser.showDialog(dialog.getDialogPane().getScene()
				.getWindow())).map(
				File::getAbsolutePath);
		if (d.isPresent())
		{
			projectDirectory.set(d.get());
		}
		else
		{
			// consume on cancel, so that parent dialog does not get closed.
			event.consume();
		}
	});

	dialog.setResizable(true);

	final Optional<String> returnVal = dialog.showAndWait();

	if (!returnVal.isPresent()) { throw new ProjectDirectoryNotSpecified(); }

	return returnVal;

}
 

private void positionDialog(final Dialog<?> dialog)
{
    final List<Stage> stages = DockStage.getDockStages();
    DialogHelper.positionDialog(dialog, stages.get(0).getScene().getRoot(), -300, -400);
    dialog.setResizable(true);
}