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  1. JDK
  2. JDK-8273542

showPrintDialog is not showing in Windows with Springboot

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P4
    • Resolution: Cannot Reproduce
    • Affects Version/s: openjfx17
    • Fix Version/s: None
    • Component/s: javafx
    • Subcomponent:
    • CPU:
      generic
    • OS:
      generic

      Description

      ADDITIONAL SYSTEM INFORMATION :
      Windows 10 / JDK 17 ea 31 / openjfx-17-ea+15/ Open JDK 64 Bit Server VM (build 17-ea+31-2664, mixed mode, sharing)

      A DESCRIPTION OF THE PROBLEM :
      In Windows 10 with JDK 17-ea+15 but also with others JDK from 8 to 17 when i call the Method showPrintDialog in the Class PrinterJob in package package javafx.print is not working.
      Dialog will not appear but the returned boolean is always true.
      Reason is a flag headless (java.awt.headless) which in Spring is true initialized.
      In the Implementation in Java Class J2DPrinterJob we have:

          public boolean showPrintDialog(Window owner) {

              if (jobRunning || jobDone) {
                  return false;
              }

              if (GraphicsEnvironment.isHeadless()) {
                  return true;
              }

      Returning true to the call of the method showPrintDialog and not printing the dialog if the application is headless.

      In my Opinion the bug should be repair just with a return false, because if i run the application with a headless modus and call the showPrintdialog it should not be possible and not return a true.

      Or at least throw an Exception.

      STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
      1. Create a Springboot Project in https://start.spring.io/ with maven, java and packaging jar. Version doesnt matter.
      2. Change pom to include a JavaFX project.

      <dependency>
                  <groupId>org.openjfx</groupId>
                  <artifactId>javafx-controls</artifactId>
                  <version>17-ea+15</version>
              </dependency>

      and under plugin

      <plugin>
                      <groupId>org.openjfx</groupId>
                      <artifactId>javafx-maven-plugin</artifactId>
                      <version>0.0.6</version>
                      <executions>
                          <execution>
                              <!-- Default configuration for running -->
                              <!-- Usage: mvn clean javafx:run -->
                              <id>default-cli</id>
                              <configuration>
                                  <mainClass>com.example.javafxprintdialog.JavafxprintdialogApplication</mainClass>
                              </configuration>
                          </execution>
                      </executions>
                  </plugin>

      3. In der Main Class, overried the start method with the next Snip:

      package com.example.javafxprintdialog;

      import org.springframework.beans.factory.annotation.Autowired;
      import org.springframework.boot.SpringApplication;
      import org.springframework.boot.autoconfigure.SpringBootApplication;

      import javafx.application.Application;
      import javafx.application.Platform;
      import javafx.event.ActionEvent;
      import javafx.event.EventHandler;
      import javafx.print.PrinterJob;
      import javafx.scene.Node;
      import javafx.scene.Scene;
      import javafx.scene.control.Button;
      import javafx.scene.control.Label;
      import javafx.scene.control.TextArea;
      import javafx.scene.layout.HBox;
      import javafx.scene.layout.VBox;
      import javafx.stage.Stage;

      @SpringBootApplication
      public class JavafxprintdialogApplication extends Application {

          private Label jobStatus;

          @Autowired
          public JavafxprintdialogApplication() {
              this.jobStatus = new Label();
          }

          public static void main(String[] args) {
              SpringApplication.run(JavafxprintdialogApplication.class, args);
              Application.launch(args);

          }

          @Override
          public void start(final Stage stage) {
              // Create the Text Label
              Label textLabel = new Label("Please insert your Text:");

              // Create the TextArea
              final TextArea textArea = new TextArea();

              // Create the Buttons
              Button pageSetupButton = new Button("Page Setup and Print");

              // Create the Event-Handlers for the Button
              pageSetupButton.setOnAction(new EventHandler<ActionEvent>() {
                  @Override
                  public void handle(ActionEvent event) {

                      pageSetup(textArea, stage);
                  }
              });

              // Create the Status Box
              HBox jobStatusBox = new HBox(5, new Label("Job Status: "), jobStatus);
              // Create the Button Box
              HBox buttonBox = new HBox(pageSetupButton);

              // Create the VBox
              VBox root = new VBox(5);

              // Add the Children to the VBox
              root.getChildren().addAll(textLabel, textArea, buttonBox, jobStatusBox);
              // Set the Size of the VBox
              root.setPrefSize(400, 300);

              // Set the Style-properties of the VBox
              root.setStyle("-fx-padding: 10;" +
                  "-fx-border-style: solid inside;" +
                  "-fx-border-width: 2;" +
                  "-fx-border-insets: 5;" +
                  "-fx-border-radius: 5;" +
                  "-fx-border-color: #ffffff;");

              // Create the Scene
              Scene scene = new Scene(root);
              // Add the scene to the Stage
              stage.setScene(scene);
              // Set the title of the Stage
              stage.setTitle("A Printing Dialog Example");
              // Display the Stage
              stage.show();
          }

          private void pageSetup(Node node, Stage owner) {
              // Create the PrinterJob
              PrinterJob job = PrinterJob.createPrinterJob();

              if (job == null) {
                  return;
              }

              // Show the page setup dialog
              Platform.runLater(() -> showpagesetupdialog(node, owner, job));
          }

          private void showpagesetupdialog(Node node, Stage owner, PrinterJob job) {
              System.out.println("Printer:" + job.getPrinter().toString());
              System.out.println("Settings:" + job.getJobSettings().toString());
              boolean proceed = job.showPageSetupDialog(owner.getScene().getWindow());

              if (proceed) {
                  print(job, node);
              }
          }

          private void print(PrinterJob job, Node node) {
              // Set the Job Status Message
              jobStatus.textProperty().bind(job.jobStatusProperty().asString());

              // Print the node
              boolean printed = job.printPage(node);

              if (printed) {
                  job.endJob();
              }
          }
      }

      4. run mvn clean install javafx:run


      EXPECTED VERSUS ACTUAL BEHAVIOR :
      EXPECTED -
      boolean should be false if the showPrintDialog doesnt appear.
      ACTUAL -
      boolean result of the method showPrintDialog is true but the Dialog is not appearing.

      ---------- BEGIN SOURCE ----------
      package com.example.javafxprintdialog;

      import org.springframework.beans.factory.annotation.Autowired;
      import org.springframework.boot.SpringApplication;
      import org.springframework.boot.autoconfigure.SpringBootApplication;

      import javafx.application.Application;
      import javafx.application.Platform;
      import javafx.event.ActionEvent;
      import javafx.event.EventHandler;
      import javafx.print.PrinterJob;
      import javafx.scene.Node;
      import javafx.scene.Scene;
      import javafx.scene.control.Button;
      import javafx.scene.control.Label;
      import javafx.scene.control.TextArea;
      import javafx.scene.layout.HBox;
      import javafx.scene.layout.VBox;
      import javafx.stage.Stage;

      @SpringBootApplication
      public class JavafxprintdialogApplication extends Application {

          private Label jobStatus;

          @Autowired
          public JavafxprintdialogApplication() {
              this.jobStatus = new Label();
          }

          public static void main(String[] args) {
              SpringApplication.run(JavafxprintdialogApplication.class, args);
              Application.launch(args);

          }

          @Override
          public void start(final Stage stage) {
              // Create the Text Label
              Label textLabel = new Label("Please insert your Text:");

              // Create the TextArea
              final TextArea textArea = new TextArea();

              // Create the Buttons
              Button pageSetupButton = new Button("Page Setup and Print");

              // Create the Event-Handlers for the Button
              pageSetupButton.setOnAction(new EventHandler<ActionEvent>() {
                  @Override
                  public void handle(ActionEvent event) {

                      pageSetup(textArea, stage);
                  }
              });

              // Create the Status Box
              HBox jobStatusBox = new HBox(5, new Label("Job Status: "), jobStatus);
              // Create the Button Box
              HBox buttonBox = new HBox(pageSetupButton);

              // Create the VBox
              VBox root = new VBox(5);

              // Add the Children to the VBox
              root.getChildren().addAll(textLabel, textArea, buttonBox, jobStatusBox);
              // Set the Size of the VBox
              root.setPrefSize(400, 300);

              // Set the Style-properties of the VBox
              root.setStyle("-fx-padding: 10;" +
                  "-fx-border-style: solid inside;" +
                  "-fx-border-width: 2;" +
                  "-fx-border-insets: 5;" +
                  "-fx-border-radius: 5;" +
                  "-fx-border-color: #ffffff;");

              // Create the Scene
              Scene scene = new Scene(root);
              // Add the scene to the Stage
              stage.setScene(scene);
              // Set the title of the Stage
              stage.setTitle("A Printing Dialog Example");
              // Display the Stage
              stage.show();
          }

          private void pageSetup(Node node, Stage owner) {
              // Create the PrinterJob
              PrinterJob job = PrinterJob.createPrinterJob();

              if (job == null) {
                  return;
              }

              // Show the page setup dialog
              Platform.runLater(() -> showpagesetupdialog(node, owner, job));
          }

          private void showpagesetupdialog(Node node, Stage owner, PrinterJob job) {
              System.out.println("Printer:" + job.getPrinter().toString());
              System.out.println("Settings:" + job.getJobSettings().toString());
              boolean proceed = job.showPageSetupDialog(owner.getScene().getWindow());

              if (proceed) {
                  print(job, node);
              }
          }

          private void print(PrinterJob job, Node node) {
              // Set the Job Status Message
              jobStatus.textProperty().bind(job.jobStatusProperty().asString());

              // Print the node
              boolean printed = job.printPage(node);

              if (printed) {
                  job.endJob();
              }
          }
      }
      ---------- END SOURCE ----------

      CUSTOMER SUBMITTED WORKAROUND :
      Setting the default headless to false in Spring with:
      SpringApplicationBuilder builder = new SpringApplicationBuilder(App.class);
              builder.headless(false).run(args);
      will show the dialog

      FREQUENCY : always


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        2. demo.zip
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            People

            Assignee:
            pnarayanaswa Praveen Narayanaswamy
            Reporter:
            webbuggrp Webbug Group
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              Dates

              Created:
              Updated:
              Resolved: