private FileWidgetInputType createUseDocumentButton(
      TabbedPropertySheetWidgetFactory widgetFactory, final Composite radioComposite) {
    FileWidgetInputType initialInputType = element.getInputType();
    if (!ModelHelper.isAnEntryPageFlowOnAPool(ModelHelper.getParentForm(element))) {
      useDocumentButton =
          widgetFactory.createButton(radioComposite, Messages.useDocument, SWT.RADIO);
      useDocumentButton.addSelectionListener(
          new SelectionAdapter() {

            @Override
            public void widgetSelected(org.eclipse.swt.events.SelectionEvent e) {
              if (initialValueSection != null && !initialValueSection.isDisposed()) {
                if (useDocumentButton.getSelection()
                    && (element.getInputType() != FileWidgetInputType.DOCUMENT
                        || element.isDuplicate() != multiple
                        || initialValueSection.getClient() == null)) {
                  boolean recreate = false;
                  if (initialValueSection.getClient() == null
                      || element.getInputType() == FileWidgetInputType.RESOURCE) {
                    recreate = true;
                  }
                  editingDomain
                      .getCommandStack()
                      .execute(
                          SetCommand.create(
                              editingDomain,
                              element,
                              FormPackage.Literals.FILE_WIDGET__INPUT_TYPE,
                              FileWidgetInputType.DOCUMENT));
                  if (recreate) {
                    if (initialValueSection.getClient() != null) {
                      initialValueSection.getClient().dispose();
                    }
                    multiple = element.isDuplicate();
                    initialValueSection.setClient(
                        createInputExpressionComposite(
                            initialValueSection,
                            FileGridPropertySectionContribution.this.widgetFactory));

                    initialValueSection.setExpanded(true);
                    bindFields();
                  }
                }
              }
            }
          });
    } else {
      initialInputType = FileWidgetInputType.URL;
    }
    return initialInputType;
  }
  /*
   * (non-Javadoc)
   *
   * @seeorg.bonitasoft.studio.common.properties.
   * IExtensibleGridPropertySectionContribution
   * #createControl(org.eclipse.swt.widgets.Composite,
   * org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory,
   * org.bonitasoft.studio.common.properties.ExtensibleGridPropertySection)
   */
  public void createControl(
      Composite mainComposite,
      TabbedPropertySheetWidgetFactory widgetFactory,
      ExtensibleGridPropertySection extensibleGridPropertySection) {

    this.widgetFactory = widgetFactory;
    mainComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    int col = 3;
    if (ModelHelper.isAnEntryPageFlowOnAPool(ModelHelper.getParentForm(element))) {
      col = 2;
    }
    mainComposite.setLayout(GridLayoutFactory.fillDefaults().numColumns(3).create());

    downloadOnly = widgetFactory.createButton(mainComposite, Messages.downloadOnly, SWT.CHECK);
    imagePreview = widgetFactory.createButton(mainComposite, Messages.previewAttachment, SWT.CHECK);
    widgetFactory.createLabel(mainComposite, "");

    final Composite radioComposite = widgetFactory.createComposite(mainComposite);
    radioComposite.setLayoutData(
        GridDataFactory.fillDefaults()
            .align(SWT.FILL, SWT.CENTER)
            .grab(true, false)
            .span(3, 1)
            .create());
    radioComposite.setLayout(
        GridLayoutFactory.fillDefaults().numColumns(col).margins(0, 0).create());

    FileWidgetInputType initialInputType = createUseDocumentButton(widgetFactory, radioComposite);

    // createURLButton(widgetFactory, radioComposite);

    createUseResourceButton(radioComposite);

    initialValueSection =
        widgetFactory.createSection(mainComposite, Section.NO_TITLE | Section.CLIENT_INDENT);
    initialValueSection.setLayout(
        GridLayoutFactory.fillDefaults().numColumns(1).margins(0, 0).create());
    initialValueSection.setLayoutData(
        GridDataFactory.fillDefaults().grab(true, true).span(3, 1).create());

    if (initialInputType == FileWidgetInputType.DOCUMENT) {
      initialValueSection.setClient(
          createInputExpressionComposite(initialValueSection, widgetFactory));
      /*}else if(initialInputType == FileWidgetInputType.URL){
      initialValueSection.setClient(createInputExpressionComposite(initialValueSection, widgetFactory));*/
    } else if (initialInputType == FileWidgetInputType.RESOURCE) {
      if (element.isDuplicate()) {
        initialValueSection.setClient(
            createMultipleResourceComposite(initialValueSection, widgetFactory));
      } else {
        initialValueSection.setClient(createResourceComposite(initialValueSection, widgetFactory));
      }
    }
    bindFields();

    if (initialInputType == FileWidgetInputType.DOCUMENT) {
      useDocumentButton.setSelection(true);
      useDocumentButton.notifyListeners(SWT.Selection, new Event());

      /*}else if(initialInputType == FileWidgetInputType.URL){
      useURLButton.setSelection(true);*/
    } else {
      useResourceButton.setSelection(true);
      useResourceButton.notifyListeners(SWT.Selection, new Event());
    }
  }