ensemble.samples.language.concurrency.service.ServiceApp Maven / Gradle / Ivy
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package ensemble.samples.language.concurrency.service;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ProgressIndicator;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.Region;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
/**
* A sample showing use of a Service to retrieve data in a background thread.
* Selecting the Refresh button restarts the Service.
*
* @sampleName Service
* @preview preview.png
* @see javafx.collections.FXCollections
* @see javafx.concurrent.Service
* @see javafx.concurrent.Task
* @see javafx.scene.control.ProgressIndicator
* @see javafx.scene.control.TableColumn
* @see javafx.scene.control.TableView
* @embedded
*/
public class ServiceApp extends Application {
final GetDailySalesService service = new GetDailySalesService();
public Parent createContent() {
VBox vbox = new VBox(5);
vbox.setPadding(new Insets(12));
TableView tableView = new TableView();
Button button = new Button("Refresh");
button.setOnAction((ActionEvent t) -> {
service.restart();
});
vbox.setPrefHeight(160);
vbox.getChildren().addAll(tableView, button);
Region veil = new Region();
veil.setStyle("-fx-background-color: rgba(0, 0, 0, 0.4)");
veil.setPrefSize(240, 160);
ProgressIndicator p = new ProgressIndicator();
p.setMaxSize(140, 140);
//Define table columns
TableColumn idCol = new TableColumn();
idCol.setText("ID");
idCol.setCellValueFactory(new PropertyValueFactory("dailySalesId"));
idCol.setPrefWidth(32);
tableView.getColumns().add(idCol);
TableColumn qtyCol = new TableColumn();
qtyCol.setText("Qty");
qtyCol.setCellValueFactory(new PropertyValueFactory("quantity"));
qtyCol.setPrefWidth(60);
tableView.getColumns().add(qtyCol);
TableColumn dateCol = new TableColumn();
dateCol.setText("Date");
dateCol.setCellValueFactory(new PropertyValueFactory("date"));
dateCol.setMinWidth(240);
tableView.getColumns().add(dateCol);
p.progressProperty().bind(service.progressProperty());
veil.visibleProperty().bind(service.runningProperty());
p.visibleProperty().bind(service.runningProperty());
tableView.itemsProperty().bind(service.valueProperty());
tableView.setMinSize(240, 140);
StackPane stack = new StackPane();
stack.getChildren().addAll(vbox, veil, p);
service.start();
return stack;
}
@Override public void start(Stage primaryStage) throws Exception {
primaryStage.setScene(new Scene(createContent()));
primaryStage.show();
}
/**
* Java main for when running without JavaFX launcher
* @param args command line arguments
*/
public static void main(String[] args) {
launch(args);
}
}