Пример #1
0
  /** Creates a text that controls whether a border radius is set on the registered controls. */
  protected void cteateRoundedBorderGroup() {
    Group group = new Group(styleComp, SWT.NONE);
    group.setText("Rounded Border");
    group.setLayout(new GridLayout(2, false));
    new Label(group, SWT.NONE).setText("Width");
    final Text textWidth = new Text(group, SWT.SINGLE | SWT.BORDER);
    textWidth.setLayoutData(new GridData(20, SWT.DEFAULT));
    new Label(group, SWT.NONE).setText("Color");
    final Button buttonColor = new Button(group, SWT.PUSH);
    buttonColor.setLayoutData(new GridData(20, 20));
    buttonColor.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(final SelectionEvent event) {
            rbIndex = (rbIndex + 1) % bgColors.length;
            if (bgColors[rbIndex] == null) {
              buttonColor.setText("");
            } else {
              buttonColor.setText("\u2588");
            }
            buttonColor.setForeground(bgColors[rbIndex]);
          }
        });
    new Label(group, SWT.NONE).setText("Radius ");
    Composite radiusGroup = new Composite(group, SWT.NONE);
    radiusGroup.setLayout(new GridLayout(4, false));
    new Label(radiusGroup, SWT.NONE).setText("T-L");
    final Text textTopLeft = new Text(radiusGroup, SWT.SINGLE | SWT.BORDER);
    textTopLeft.setLayoutData(new GridData(20, SWT.DEFAULT));
    new Label(radiusGroup, SWT.NONE).setText("T-R");
    final Text textTopRight = new Text(radiusGroup, SWT.SINGLE | SWT.BORDER);
    textTopRight.setLayoutData(new GridData(20, SWT.DEFAULT));
    new Label(radiusGroup, SWT.NONE).setText("B-L");
    final Text textBottomLeft = new Text(radiusGroup, SWT.SINGLE | SWT.BORDER);
    textBottomLeft.setLayoutData(new GridData(20, SWT.DEFAULT));
    new Label(radiusGroup, SWT.NONE).setText("B-R");
    final Text textBottomRight = new Text(radiusGroup, SWT.SINGLE | SWT.BORDER);
    textBottomRight.setLayoutData(new GridData(20, SWT.DEFAULT));
    Button button = new Button(group, SWT.PUSH);
    button.setText("Set");
    button.addSelectionListener(
        new SelectionAdapter() {

          public void widgetSelected(final SelectionEvent e) {
            int width = parseInt(textWidth.getText());
            Color color = buttonColor.getBackground();
            int topLeft = parseInt(textTopLeft.getText());
            int topRight = parseInt(textTopRight.getText());
            int bottomRight = parseInt(textBottomRight.getText());
            int bottomLeft = parseInt(textBottomLeft.getText());
            updateRoundedBorder(width, color, topLeft, topRight, bottomRight, bottomLeft);
          }
        });
  }
Пример #2
0
  @NotNull
  public static Text createOutputFolderChooser(
      final Composite parent, @Nullable String label, @Nullable ModifyListener changeListener) {
    UIUtils.createControlLabel(
        parent, label != null ? label : CoreMessages.data_transfer_wizard_output_label_directory);
    Composite chooserPlaceholder = UIUtils.createPlaceholder(parent, 2);
    chooserPlaceholder.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    final Text directoryText = new Text(chooserPlaceholder, SWT.BORDER);
    directoryText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    if (changeListener != null) {
      directoryText.addModifyListener(changeListener);
    }

    final Runnable folderChooser =
        new Runnable() {
          @Override
          public void run() {
            DirectoryDialog dialog = new DirectoryDialog(parent.getShell(), SWT.NONE);
            dialog.setMessage(CoreMessages.data_transfer_wizard_output_dialog_directory_message);
            dialog.setText(CoreMessages.data_transfer_wizard_output_dialog_directory_text);
            String directory = directoryText.getText();
            if (!CommonUtils.isEmpty(directory)) {
              dialog.setFilterPath(directory);
            }
            directory = dialog.open();
            if (directory != null) {
              directoryText.setText(directory);
            }
          }
        };
    directoryText.addMouseListener(
        new MouseAdapter() {
          @Override
          public void mouseUp(MouseEvent e) {
            folderChooser.run();
          }
        });

    Button openFolder = new Button(chooserPlaceholder, SWT.PUSH | SWT.FLAT);
    openFolder.setImage(DBeaverIcons.getImage(DBIcon.TREE_FOLDER));
    openFolder.setLayoutData(
        new GridData(GridData.VERTICAL_ALIGN_CENTER | GridData.HORIZONTAL_ALIGN_CENTER));
    openFolder.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetSelected(SelectionEvent e) {
            folderChooser.run();
          }
        });
    return directoryText;
  }
Пример #3
0
  void createRTFTransfer(Composite copyParent, Composite pasteParent) {
    //	RTF Transfer
    Label l = new Label(copyParent, SWT.NONE);
    l.setText("RTFTransfer:"); // $NON-NLS-1$
    copyRtfText = new Text(copyParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    copyRtfText.setText("some\nrtf\ntext");
    GridData data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = data.widthHint = SIZE;
    copyRtfText.setLayoutData(data);
    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            String data = copyRtfText.getText();
            if (data.length() > 0) {
              status.setText("");
              data = "{\\rtf1{\\colortbl;\\red255\\green0\\blue0;}\\uc1\\b\\i " + data + "}";
              clipboard.setContents(
                  new Object[] {data}, new Transfer[] {RTFTransfer.getInstance()});
            } else {
              status.setText("nothing to copy");
            }
          }
        });

    l = new Label(pasteParent, SWT.NONE);
    l.setText("RTFTransfer:"); // $NON-NLS-1$
    pasteRtfText =
        new Text(pasteParent, SWT.READ_ONLY | SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = data.widthHint = SIZE;
    pasteRtfText.setLayoutData(data);
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            String data = (String) clipboard.getContents(RTFTransfer.getInstance());
            if (data != null && data.length() > 0) {
              status.setText("");
              pasteRtfText.setText("start paste>" + data + "<end paste");
            } else {
              status.setText("nothing to paste");
            }
          }
        });
  }
Пример #4
0
  void createHTMLTransfer(Composite copyParent, Composite pasteParent) {
    //	HTML Transfer
    Label l = new Label(copyParent, SWT.NONE);
    l.setText("HTMLTransfer:"); // $NON-NLS-1$
    copyHtmlText = new Text(copyParent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    copyHtmlText.setText("<b>Hello World</b>");
    GridData data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = data.widthHint = SIZE;
    copyHtmlText.setLayoutData(data);
    Button b = new Button(copyParent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            String data = copyHtmlText.getText();
            if (data.length() > 0) {
              status.setText("");
              clipboard.setContents(
                  new Object[] {data}, new Transfer[] {HTMLTransfer.getInstance()});
            } else {
              status.setText("nothing to copy");
            }
          }
        });

    l = new Label(pasteParent, SWT.NONE);
    l.setText("HTMLTransfer:"); // $NON-NLS-1$
    pasteHtmlText =
        new Text(pasteParent, SWT.READ_ONLY | SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = data.widthHint = SIZE;
    pasteHtmlText.setLayoutData(data);
    b = new Button(pasteParent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            String data = (String) clipboard.getContents(HTMLTransfer.getInstance());
            if (data != null && data.length() > 0) {
              status.setText("");
              pasteHtmlText.setText("start paste>" + data + "<end paste");
            } else {
              status.setText("nothing to paste");
            }
          }
        });
  }
Пример #5
0
 /** Creates the "Example" widgets. */
 void createExampleWidgets() {
   /*
    * Create a multi lined, scrolled text widget for output.
    */
   textWidget = new Text(resultGroup, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
   GridData gridData = new GridData(GridData.FILL_BOTH);
   textWidget.setLayoutData(gridData);
 }
Пример #6
0
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout(2, false));

    final Text text = new Text(shell, SWT.SEARCH | SWT.ICON_CANCEL);
    Image image = null;
    if ((text.getStyle() & SWT.ICON_CANCEL) == 0) {
      image = display.getSystemImage(SWT.ICON_ERROR);
      ToolBar toolBar = new ToolBar(shell, SWT.FLAT);
      ToolItem item = new ToolItem(toolBar, SWT.PUSH);
      item.setImage(image);
      item.addSelectionListener(
          new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
              text.setText("");
              System.out.println("Search cancelled");
            }
          });
    }
    text.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    text.setText("Search text");
    text.addSelectionListener(
        new SelectionAdapter() {
          @Override
          public void widgetDefaultSelected(SelectionEvent e) {
            if (e.detail == SWT.CANCEL) {
              System.out.println("Search cancelled");
            } else {
              System.out.println("Searching for: " + text.getText() + "...");
            }
          }
        });

    shell.pack();
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    if (image != null) image.dispose();
    display.dispose();
  }
Пример #7
0
  @NotNull
  public static Text createLabelText(
      @NotNull Composite parent,
      @NotNull String label,
      @Nullable String value,
      int style,
      @Nullable Object layoutData) {
    createControlLabel(parent, label);

    Text text = new Text(parent, style);
    if (value != null) {
      text.setText(value);
    }

    if (layoutData != null) {
      text.setLayoutData(layoutData);
    }

    return text;
  }
Пример #8
0
 @Nullable
 public static Integer getTextInteger(Text text) {
   String str = text.getText();
   str = str.trim();
   if (str.length() == 0) {
     return null;
   }
   try {
     return Integer.valueOf(str);
   } catch (NumberFormatException e) {
     log.debug(e);
     return null;
   }
 }
Пример #9
0
  void createControlTransfer(Composite parent) {
    Label l = new Label(parent, SWT.NONE);
    l.setText("Text:");
    Button b = new Button(parent, SWT.PUSH);
    b.setText("Cut");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            text.cut();
          }
        });
    b = new Button(parent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            text.copy();
          }
        });
    b = new Button(parent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            text.paste();
          }
        });
    text = new Text(parent, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    GridData data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = data.widthHint = SIZE;
    text.setLayoutData(data);

    l = new Label(parent, SWT.NONE);
    l.setText("Combo:");
    b = new Button(parent, SWT.PUSH);
    b.setText("Cut");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            combo.cut();
          }
        });
    b = new Button(parent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            combo.copy();
          }
        });
    b = new Button(parent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            combo.paste();
          }
        });
    combo = new Combo(parent, SWT.NONE);
    combo.setItems(new String[] {"Item 1", "Item 2", "Item 3", "A longer Item"});

    l = new Label(parent, SWT.NONE);
    l.setText("StyledText:");
    l = new Label(parent, SWT.NONE);
    l.setVisible(false);
    b = new Button(parent, SWT.PUSH);
    b.setText("Copy");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            styledText.copy();
          }
        });
    b = new Button(parent, SWT.PUSH);
    b.setText("Paste");
    b.addSelectionListener(
        new SelectionAdapter() {
          public void widgetSelected(SelectionEvent e) {
            styledText.paste();
          }
        });
    styledText = new StyledText(parent, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = data.widthHint = SIZE;
    styledText.setLayoutData(data);
  }
Пример #10
0
  /**
   * Handle the create button selection event.
   *
   * @param event org.eclipse.swt.events.SelectionEvent
   */
  void createButtonSelected(SelectionEvent event) {

    /* Compute the appropriate dialog style */
    int style = getDefaultStyle();
    if (okButton.getEnabled() && okButton.getSelection()) style |= SWT.OK;
    if (cancelButton.getEnabled() && cancelButton.getSelection()) style |= SWT.CANCEL;
    if (yesButton.getEnabled() && yesButton.getSelection()) style |= SWT.YES;
    if (noButton.getEnabled() && noButton.getSelection()) style |= SWT.NO;
    if (retryButton.getEnabled() && retryButton.getSelection()) style |= SWT.RETRY;
    if (abortButton.getEnabled() && abortButton.getSelection()) style |= SWT.ABORT;
    if (ignoreButton.getEnabled() && ignoreButton.getSelection()) style |= SWT.IGNORE;
    if (iconErrorButton.getEnabled() && iconErrorButton.getSelection()) style |= SWT.ICON_ERROR;
    if (iconInformationButton.getEnabled() && iconInformationButton.getSelection())
      style |= SWT.ICON_INFORMATION;
    if (iconQuestionButton.getEnabled() && iconQuestionButton.getSelection())
      style |= SWT.ICON_QUESTION;
    if (iconWarningButton.getEnabled() && iconWarningButton.getSelection())
      style |= SWT.ICON_WARNING;
    if (iconWorkingButton.getEnabled() && iconWorkingButton.getSelection())
      style |= SWT.ICON_WORKING;
    if (primaryModalButton.getEnabled() && primaryModalButton.getSelection())
      style |= SWT.PRIMARY_MODAL;
    if (applicationModalButton.getEnabled() && applicationModalButton.getSelection())
      style |= SWT.APPLICATION_MODAL;
    if (systemModalButton.getEnabled() && systemModalButton.getSelection())
      style |= SWT.SYSTEM_MODAL;
    if (saveButton.getEnabled() && saveButton.getSelection()) style |= SWT.SAVE;
    if (openButton.getEnabled() && openButton.getSelection()) style |= SWT.OPEN;
    if (multiButton.getEnabled() && multiButton.getSelection()) style |= SWT.MULTI;

    /* Open the appropriate dialog type */
    String name = dialogCombo.getText();

    if (name.equals(ControlExample.getResourceString("ColorDialog"))) {
      ColorDialog dialog = new ColorDialog(shell, style);
      dialog.setRGB(new RGB(100, 100, 100));
      dialog.setText(ControlExample.getResourceString("Title"));
      RGB result = dialog.open();
      textWidget.append(ControlExample.getResourceString("ColorDialog") + Text.DELIMITER);
      textWidget.append(
          ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
      textWidget.append("getRGB() = " + dialog.getRGB() + Text.DELIMITER + Text.DELIMITER);
      return;
    }

    if (name.equals(ControlExample.getResourceString("DirectoryDialog"))) {
      DirectoryDialog dialog = new DirectoryDialog(shell, style);
      dialog.setMessage(ControlExample.getResourceString("Example_string"));
      dialog.setText(ControlExample.getResourceString("Title"));
      String result = dialog.open();
      textWidget.append(ControlExample.getResourceString("DirectoryDialog") + Text.DELIMITER);
      textWidget.append(
          ControlExample.getResourceString("Result", new String[] {"" + result})
              + Text.DELIMITER
              + Text.DELIMITER);
      return;
    }

    if (name.equals(ControlExample.getResourceString("FileDialog"))) {
      FileDialog dialog = new FileDialog(shell, style);
      dialog.setFileName(ControlExample.getResourceString("readme_txt"));
      dialog.setFilterNames(FilterNames);
      dialog.setFilterExtensions(FilterExtensions);
      dialog.setText(ControlExample.getResourceString("Title"));
      String result = dialog.open();
      textWidget.append(ControlExample.getResourceString("FileDialog") + Text.DELIMITER);
      textWidget.append(
          ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
      textWidget.append("getFileNames() =" + Text.DELIMITER);
      if ((dialog.getStyle() & SWT.MULTI) != 0) {
        String[] files = dialog.getFileNames();
        for (int i = 0; i < files.length; i++) {
          textWidget.append("\t" + files[i] + Text.DELIMITER);
        }
      }
      textWidget.append(
          "getFilterIndex() = " + dialog.getFilterIndex() + Text.DELIMITER + Text.DELIMITER);
      return;
    }

    if (name.equals(ControlExample.getResourceString("FontDialog"))) {
      FontDialog dialog = new FontDialog(shell, style);
      dialog.setText(ControlExample.getResourceString("Title"));
      FontData result = dialog.open();
      textWidget.append(ControlExample.getResourceString("FontDialog") + Text.DELIMITER);
      textWidget.append(
          ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
      textWidget.append("getFontList() =" + Text.DELIMITER);
      FontData[] fonts = dialog.getFontList();
      if (fonts != null) {
        for (int i = 0; i < fonts.length; i++) {
          textWidget.append("\t" + fonts[i] + Text.DELIMITER);
        }
      }
      textWidget.append("getRGB() = " + dialog.getRGB() + Text.DELIMITER + Text.DELIMITER);
      return;
    }

    if (name.equals(ControlExample.getResourceString("PrintDialog"))) {
      PrintDialog dialog = new PrintDialog(shell, style);
      dialog.setText(ControlExample.getResourceString("Title"));
      PrinterData result = dialog.open();
      textWidget.append(ControlExample.getResourceString("PrintDialog") + Text.DELIMITER);
      textWidget.append(
          ControlExample.getResourceString("Result", new String[] {"" + result}) + Text.DELIMITER);
      textWidget.append("getScope() = " + dialog.getScope() + Text.DELIMITER);
      textWidget.append("getStartPage() = " + dialog.getStartPage() + Text.DELIMITER);
      textWidget.append("getEndPage() = " + dialog.getEndPage() + Text.DELIMITER);
      textWidget.append(
          "getPrintToFile() = " + dialog.getPrintToFile() + Text.DELIMITER + Text.DELIMITER);
      return;
    }

    if (name.equals(ControlExample.getResourceString("MessageBox"))) {
      MessageBox dialog = new MessageBox(shell, style);
      dialog.setMessage(ControlExample.getResourceString("Example_string"));
      dialog.setText(ControlExample.getResourceString("Title"));
      int result = dialog.open();
      textWidget.append(ControlExample.getResourceString("MessageBox") + Text.DELIMITER);
      /*
       * The resulting integer depends on the original
       * dialog style.  Decode the result and display it.
       */
      switch (result) {
        case SWT.OK:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.OK"}));
          break;
        case SWT.YES:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.YES"}));
          break;
        case SWT.NO:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.NO"}));
          break;
        case SWT.CANCEL:
          textWidget.append(
              ControlExample.getResourceString("Result", new String[] {"SWT.CANCEL"}));
          break;
        case SWT.ABORT:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.ABORT"}));
          break;
        case SWT.RETRY:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"SWT.RETRY"}));
          break;
        case SWT.IGNORE:
          textWidget.append(
              ControlExample.getResourceString("Result", new String[] {"SWT.IGNORE"}));
          break;
        default:
          textWidget.append(ControlExample.getResourceString("Result", new String[] {"" + result}));
          break;
      }
      textWidget.append(Text.DELIMITER + Text.DELIMITER);
    }
  }
Пример #11
0
 protected void log(final String msg) {
   content.insert(0, msg.trim() + text.getLineDelimiter());
   text.setText(content.toString());
 }
Пример #12
0
 private void createFoot(final Composite parent) {
   parent.setLayout(new FillLayout());
   text = new Text(parent, SWT.BORDER | SWT.READ_ONLY | SWT.MULTI);
   text.setText("---");
 }
Пример #13
0
  public static void main(String[] args) {
    final Display display = new Display();
    final Clipboard clipboard = new Clipboard(display);
    final Shell shell = new Shell(display, SWT.SHELL_TRIM);
    shell.setLayout(new GridLayout());
    shell.setText("Clipboard ImageTransfer");

    final Button imageButton = new Button(shell, SWT.NONE);
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    gd.minimumHeight = 400;
    gd.minimumWidth = 600;
    imageButton.setLayoutData(gd);

    final Text imageText = new Text(shell, SWT.BORDER);
    imageText.setLayoutData(new GridData(SWT.FILL, SWT.BEGINNING, true, false));

    Composite buttons = new Composite(shell, SWT.NONE);
    buttons.setLayout(new GridLayout(4, true));
    Button button = new Button(buttons, SWT.PUSH);
    button.setText("Open");
    button.addListener(
        SWT.Selection,
        event -> {
          FileDialog dialog = new FileDialog(shell, SWT.OPEN);
          dialog.setText("Open an image file or cancel");
          String string = dialog.open();
          if (string != null) {
            imageButton.setText("");
            Image image = imageButton.getImage();
            if (image != null) image.dispose();
            image = new Image(display, string);
            imageButton.setImage(image);
            imageText.setText(string);
          }
        });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Copy");
    button.addListener(
        SWT.Selection,
        event -> {
          Image image = imageButton.getImage();
          if (image != null) {
            ImageTransfer imageTransfer = ImageTransfer.getInstance();
            TextTransfer textTransfer = TextTransfer.getInstance();
            clipboard.setContents(
                new Object[] {image.getImageData(), imageText.getText()},
                new Transfer[] {imageTransfer, textTransfer});
          }
        });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Paste");
    button.addListener(
        SWT.Selection,
        event -> {
          ImageData imageData = (ImageData) clipboard.getContents(ImageTransfer.getInstance());
          if (imageData != null) {
            imageButton.setText("");
            Image image = imageButton.getImage();
            if (image != null) image.dispose();
            image = new Image(display, imageData);
            imageButton.setImage(image);
          } else {
            imageButton.setText("No image");
            imageButton.setImage(null);
          }
          String text = (String) clipboard.getContents(TextTransfer.getInstance());
          if (text != null) {
            imageText.setText(text);
          } else {
            imageText.setText("");
          }
        });

    button = new Button(buttons, SWT.PUSH);
    button.setText("Clear");
    button.addListener(
        SWT.Selection,
        event -> {
          imageButton.setText("");
          Image image = imageButton.getImage();
          if (image != null) image.dispose();
          imageButton.setImage(null);
          imageText.setText("");
        });

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