WaveformAnalyzer/DialogProgressBar.java at main · coding-bricks/WaveformAnalyzer · GitHub

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package wf.util;

import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.ProgressBar;
import javafx.scene.control.Separator;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.VBox;
import javafx.stage.Modality;
import javafx.stage.Stage;
import javafx.stage.WindowEvent;
import wf.Main;

public class DialogProgressBar {

	final private Button close_bt = new Button();
	final private GridPane gridpaneButtons = new GridPane();
	final private Label textMessage_lb = new Label();
	final private ProgressBar progressBar = new ProgressBar();
	final private Separator hSeparator = new Separator();
	final private Stage messangerStage = new Stage();
	final private VBox vBox = new VBox();

	private static final double EPSILON = 0.0000005;

	final private Scene messangerScene = new Scene(vBox);

	private static final DialogProgressBar INSTANCE = new DialogProgressBar();


	public DialogProgressBar() {

		close_bt.setText("Close");
		close_bt.setPrefWidth(100);
		close_bt.setOnAction(new EventHandler<ActionEvent>() {

			@Override
			public void handle(ActionEvent event) {

				messangerStage.close();
			}
		});

		vBox.setPadding(new Insets(10, 10, 10, 10));
		vBox.setSpacing(20);
		vBox.setAlignment(Pos.CENTER_LEFT);
		vBox.setAlignment(Pos.CENTER);
		vBox.getChildren().addAll(progressBar, hSeparator, gridpaneButtons);

		progressBar.setPrefSize(400, 40);
		progressBar.setPadding(new Insets(0,0,0,0));
		// Bind progress property
        progressBar.progressProperty().bind(LoadTask.getInstance().progressProperty());
        // color the bar green when the work is complete.
        progressBar.progressProperty().addListener(observable -> {
            if (progressBar.getProgress() >= 1 - EPSILON) {
                progressBar.setStyle("-fx-accent: forestgreen;");
            }
        });

		gridpaneButtons.setPadding(new Insets(-5, 0, 0, 0));
		gridpaneButtons.add(close_bt, 1, 1);
		gridpaneButtons.setAlignment(Pos.CENTER_RIGHT);

		messangerStage.initModality(Modality.APPLICATION_MODAL);
		messangerStage.setResizable(false);
		messangerStage.setScene(messangerScene);

		messangerStage.setOnCloseRequest(new EventHandler<WindowEvent>() {
		    @Override
		    public void handle(WindowEvent event) {
		        event.consume();
		    }
		});

		initStyle();
	}

	public static DialogProgressBar getInstance() {

		return INSTANCE;
	}

	public void showMessangerStage() {

		this.messangerStage.show();
	}

	public void disableCloseButton(boolean value) {

		close_bt.setDisable(value);
	}

	public void setProgressBarValue(int value) {

		progressBar.setProgress(0);
	}


	private void initStyle() {

		messangerScene.getStylesheets().add(Main.class.getResource("/wf/view/application.css").toExternalForm());
		vBox.setId("appBackground");
		close_bt.setId("button_bevel-grey");
		hSeparator.setStyle("-fx-border-style: solid; -fx-border-width: 0.1px;");
		textMessage_lb.setId("msg");
		textMessage_lb.setStyle("-fx-background-color: null;");
	}
}