public void createResourceSelection(Supplier<IAdaptable> rootSupplier) {
	createSelectionButton();
	browseButton.addSelectionListener(widgetSelectedAdapter(e -> {
		ResourceSelectionDialog dialog = new ResourceSelectionDialog(browseButton.getShell(), rootSupplier.get(),
				this.labelString);
		dialog.setTitle(Messages.LaunchUI_selection);
		int returnCode = dialog.open();
		Object[] results = dialog.getResult();
		if (returnCode == 0 && results.length > 0) {
			text.setText(((IResource) results[0]).getFullPath().makeRelative().toString());
			editListener.modifyText(null);
		}
	}));
}
 

/**
 * Creates a new button
 * <p>
 * The <code>Dialog</code> implementation of this framework method creates a standard push
 * button, registers for selection events including button presses and registers default buttons
 * with its shell. The button id is stored as the buttons client data. Note that the parent's
 * layout is assumed to be a GridLayout and the number of columns in this layout is incremented.
 * Subclasses may override.
 * </p>
 *
 * @param parent          the parent composite
 * @param label          the label from the button
 * @param defaultButton          <code>true</code> if the button is to be the default button, and <code>false</code>
 *          otherwise
 * @param text the text
 * @return the button
 */
protected Button addButton(Composite parent, String label, boolean defaultButton, final Text text) {

  Button button = new Button(parent, SWT.PUSH);
  button.setText(label);

  if (defaultButton) {
    Shell shell = parent.getShell();
    if (shell != null) {
      shell.setDefaultButton(button);
    }
    button.setFocus();
  }
  button.setFont(parent.getFont());

  SelectionListener listener = new SelectionAdapter() {
    @Override
    public void widgetSelected(SelectionEvent e) {

      ResourceSelectionDialog dialog = new ResourceSelectionDialog(getShell(), currentContainer,
              "Selection Dialog");
      dialog.setTitle("Selection Dialog");
      dialog.setMessage("Please select a file:");
      dialog.open();
      Object[] result = dialog.getResult();
      if (result[0] != null) {
        IResource res = (IResource) result[0];
        text.setText(res.getProjectRelativePath().toOSString());
      }

    }
  };
  button.addSelectionListener(listener);

  return button;
}