SWT: printDialog: Select a printer

By using PrintDialog widget, user can select a printer from various available printers in the system.

Ex:

PrintDialog printDialog = new PrintDialog(shell, SWT.NONE);

printDialog.setText("PrintDialogDemo");

printDialog.setScope(PrinterData.PAGE_RANGE);

printDialog.setStartPage(2);

printDialog.setEndPage(5);

printDialog.setPrintToFile(true);

PrinterData printerData = printDialog.open();

Following is the complete working application.

import java.util.Objects;

import org.eclipse.swt.SWT;
import org.eclipse.swt.printing.PrintDialog;
import org.eclipse.swt.printing.PrinterData;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;

public class Test {

 private static void addWidgetsToShell(Display display, Shell shell) {
  PrintDialog printDialog = new PrintDialog(shell, SWT.NONE);
  printDialog.setText("PrintDialogDemo");
  printDialog.setScope(PrinterData.PAGE_RANGE);
  printDialog.setStartPage(2);
  printDialog.setEndPage(5);
  printDialog.setPrintToFile(true);
  PrinterData printerData = printDialog.open();

  if (!Objects.isNull(printerData)) {
   switch (printerData.scope) {
   case PrinterData.ALL_PAGES:
    System.out.println("Printing all pages.");
    break;
   case PrinterData.SELECTION:
    System.out.println("Printing selected page.");
    break;
   case PrinterData.PAGE_RANGE:
    System.out.print("Printing page range. ");
    System.out.print("From:" + printerData.startPage);
    System.out.println(" to:" + printerData.endPage);
    break;
   }
   if (printerData.printToFile)
    System.out.println("Printing to file.");
   else
    System.out.println("Not printing to file.");
   if (printerData.collate)
    System.out.println("Collating.");
   else
    System.out.println("Not collating.");
   System.out.println("Number of copies:" + printerData.copyCount);
   System.out.println("Printer Name:" + printerData.name);
  }
  shell.dispose();
 }

 public static void main(String[] args) {

  /* Instantiate Display object, it represents SWT session */
  Display display = new Display();

  /*
   * Define Shell, it represent a window, You can add more than one shell
   * to Display
   */
  Shell shell = new Shell(display);
  shell.setSize(500, 500);
  addWidgetsToShell(display, shell);

  /*
   * Run the event dispatching loop until an exit condition occurs, which
   * is typically when the main shell window is closed by the user.
   */

  while (!shell.isDisposed()) {
   if (!display.readAndDispatch()) {
    display.sleep();
   }
  }

  /* Dispose the display */
  display.dispose();

 }
}

Run above application, you can able to see following window.

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