public Widget draw() {

    // show only part of title
    titleWidget.setText(Utils.getStrippedStringWithEllipsis(publication.getTitle()));

    // MAIN PANEL
    ScrollPanel sp = new ScrollPanel();
    sp.addStyleName("perun-tableScrollPanel");

    VerticalPanel vp = new VerticalPanel();
    vp.addStyleName("perun-table");
    sp.add(vp);

    // resize perun table to correct size on screen
    session.getUiElements().resizePerunTable(sp, 350, this);

    // content
    final FlexTable ft = new FlexTable();
    ft.setStyleName("inputFormFlexTable");

    if (publication.getLocked() == false) {

      ft.setHTML(1, 0, "Id / Origin:");
      ft.setHTML(2, 0, "Title:");
      ft.setHTML(3, 0, "Year:");
      ft.setHTML(4, 0, "Category:");
      ft.setHTML(5, 0, "Rank:");
      ft.setHTML(6, 0, "ISBN / ISSN:");
      ft.setHTML(7, 0, "DOI:");
      ft.setHTML(8, 0, "Full cite:");
      ft.setHTML(9, 0, "Created by:");
      ft.setHTML(10, 0, "Created date:");

      for (int i = 0; i < ft.getRowCount(); i++) {
        ft.getFlexCellFormatter().setStyleName(i, 0, "itemName");
      }
      ft.getFlexCellFormatter().setWidth(1, 0, "100px");

      final ListBoxWithObjects<Category> listbox = new ListBoxWithObjects<Category>();
      // fill listbox
      JsonCallbackEvents events =
          new JsonCallbackEvents() {
            public void onFinished(JavaScriptObject jso) {
              for (Category cat : JsonUtils.<Category>jsoAsList(jso)) {
                listbox.addItem(cat);
                // if right, selected
                if (publication.getCategoryId() == cat.getId()) {
                  listbox.setSelected(cat, true);
                }
              }
            }
          };
      FindAllCategories categories = new FindAllCategories(events);
      categories.retrieveData();

      final TextBox rank = new TextBox();
      rank.setWidth("30px");
      rank.setMaxLength(4);
      rank.setText(String.valueOf(publication.getRank()));

      final TextBox title = new TextBox();
      title.setMaxLength(1024);
      title.setText(publication.getTitle());
      title.setWidth("500px");
      final TextBox year = new TextBox();
      year.setText(String.valueOf(publication.getYear()));
      year.setMaxLength(4);
      year.setWidth("30px");
      final TextBox isbn = new TextBox();
      isbn.setText(publication.getIsbn());
      isbn.setMaxLength(32);
      final TextBox doi = new TextBox();
      doi.setText(publication.getDoi());
      doi.setMaxLength(256);
      final TextArea main = new TextArea();
      main.setText(publication.getMain());
      main.setSize("500px", "70px");
      // set max length
      main.getElement().setAttribute("maxlength", "4000");

      ft.setHTML(
          1,
          1,
          publication.getId()
              + " / <Strong>Ext. Id: </strong>"
              + publication.getExternalId()
              + " <Strong>System: </strong>"
              + publication.getPublicationSystemName());
      ft.setWidget(2, 1, title);
      ft.setWidget(3, 1, year);
      ft.setWidget(4, 1, listbox);
      if (session.isPerunAdmin()) {
        // only perunadmin can change rank
        ft.setWidget(5, 1, rank);
      } else {
        ft.setHTML(5, 1, "" + publication.getRank());
      }
      ft.setWidget(6, 1, isbn);
      ft.setWidget(7, 1, doi);
      ft.setWidget(8, 1, main);
      ft.setHTML(9, 1, String.valueOf(publication.getCreatedBy()));
      ft.setHTML(
          10,
          1,
          DateTimeFormat.getFormat(DateTimeFormat.PredefinedFormat.DATE_TIME_MEDIUM)
              .format(new Date((long) publication.getCreatedDate())));

      // update button

      final CustomButton change =
          TabMenu.getPredefinedButton(ButtonType.SAVE, "Save changes in publication details");
      change.addClickHandler(
          new ClickHandler() {

            public void onClick(ClickEvent event) {

              Publication pub = JsonUtils.clone(publication).cast();

              if (!JsonUtils.checkParseInt(year.getText())) {
                JsonUtils.cantParseIntConfirm("YEAR", year.getText());
              } else {
                pub.setYear(Integer.parseInt(year.getText()));
              }
              if (session.isPerunAdmin()) {
                pub.setRank(Double.parseDouble(rank.getText()));
              }
              pub.setCategoryId(listbox.getSelectedObject().getId());
              pub.setTitle(title.getText());
              pub.setMain(main.getText());
              pub.setIsbn(isbn.getText());
              pub.setDoi(doi.getText());

              UpdatePublication upCall =
                  new UpdatePublication(
                      JsonCallbackEvents.disableButtonEvents(
                          change,
                          new JsonCallbackEvents() {
                            public void onFinished(JavaScriptObject jso) {
                              // refresh page content
                              Publication p = jso.cast();
                              publication = p;
                              draw();
                            }
                          }));
              upCall.updatePublication(pub);
            }
          });

      ft.setWidget(0, 0, change);

    } else {

      ft.getFlexCellFormatter().setColSpan(0, 0, 2);
      ft.setWidget(
          0,
          0,
          new HTML(
              new Image(SmallIcons.INSTANCE.lockIcon())
                  + " <strong>Publication is locked. Ask administrator to perform any changes for you at [email protected].</strong>"));

      ft.setHTML(1, 0, "Id / Origin:");
      ft.setHTML(2, 0, "Title:");
      ft.setHTML(3, 0, "Year:");
      ft.setHTML(4, 0, "Category:");
      ft.setHTML(5, 0, "Rank:");
      ft.setHTML(6, 0, "ISBN / ISSN:");
      ft.setHTML(7, 0, "DOI:");
      ft.setHTML(8, 0, "Full cite:");
      ft.setHTML(9, 0, "Created by:");
      ft.setHTML(10, 0, "Created date:");

      for (int i = 0; i < ft.getRowCount(); i++) {
        ft.getFlexCellFormatter().setStyleName(i, 0, "itemName");
      }
      ft.getFlexCellFormatter().setWidth(1, 0, "100px");

      ft.setHTML(
          1,
          1,
          publication.getId()
              + " / <Strong>Ext. Id: </strong>"
              + publication.getExternalId()
              + " <Strong>System: </strong>"
              + publication.getPublicationSystemName());
      ft.setHTML(2, 1, publication.getTitle());
      ft.setHTML(3, 1, String.valueOf(publication.getYear()));
      ft.setHTML(4, 1, publication.getCategoryName());
      ft.setHTML(5, 1, String.valueOf(publication.getRank()) + " (default is 0)");
      ft.setHTML(6, 1, publication.getIsbn());
      ft.setHTML(7, 1, publication.getDoi());
      ft.setHTML(8, 1, publication.getMain());
      ft.setHTML(9, 1, String.valueOf(publication.getCreatedBy()));
      ft.setHTML(
          10,
          1,
          DateTimeFormat.getFormat(DateTimeFormat.PredefinedFormat.DATE_TIME_MEDIUM)
              .format(new Date((long) publication.getCreatedDate())));
    }

    // LOCK / UNLOCK button for PerunAdmin

    if (session.isPerunAdmin()) {
      final CustomButton lock;
      if (publication.getLocked()) {
        lock =
            new CustomButton(
                "Unlock",
                "Allow editing of publication details (for users).",
                SmallIcons.INSTANCE.lockOpenIcon());
        ft.setWidget(0, 0, lock);
        ft.getFlexCellFormatter().setColSpan(0, 0, 1);
        ft.setWidget(
            0, 1, new HTML(new Image(SmallIcons.INSTANCE.lockIcon()) + " Publication is locked."));
      } else {
        lock =
            new CustomButton(
                "Lock",
                "Deny editing of publication details (for users).",
                SmallIcons.INSTANCE.lockIcon());
        ft.setWidget(0, 1, lock);
      }
      lock.addClickHandler(
          new ClickHandler() {
            public void onClick(ClickEvent event) {
              UpdatePublication upCall =
                  new UpdatePublication(
                      JsonCallbackEvents.disableButtonEvents(
                          lock,
                          new JsonCallbackEvents() {
                            public void onFinished(JavaScriptObject jso) {
                              // refresh page content
                              Publication p = jso.cast();
                              publication = p;
                              draw();
                            }
                          }));
              Publication p = JsonUtils.clone(publication).cast();
              p.setLocked(!publication.getLocked());
              upCall.updatePublication(p);
            }
          });
    }

    DisclosurePanel dp = new DisclosurePanel();
    dp.setWidth("100%");
    dp.setContent(ft);
    dp.setOpen(true);

    FlexTable detailsHeader = new FlexTable();
    detailsHeader.setWidget(0, 0, new Image(LargeIcons.INSTANCE.bookIcon()));
    detailsHeader.setHTML(0, 1, "<h3>Details</h3>");
    dp.setHeader(detailsHeader);

    vp.add(dp);
    vp.add(loadAuthorsSubTab());
    vp.add(loadThanksSubTab());

    this.contentWidget.setWidget(sp);

    return getWidget();
  }
  public Widget draw() {

    VerticalPanel vp = new VerticalPanel();
    vp.setSize("100%", "100%");

    final FindAllCategories callback = new FindAllCategories();

    final JsonCallbackEvents events = JsonCallbackEvents.refreshTableEvents(callback);

    TabMenu menu = new TabMenu();
    menu.addWidget(
        TabMenu.getPredefinedButton(
            ButtonType.ADD,
            "Add new category",
            new ClickHandler() {
              public void onClick(ClickEvent event) {
                session.getTabManager().addTabToCurrentTab(new CreateCategoryTabItem());
              }
            }));

    final CustomButton removeButton =
        TabMenu.getPredefinedButton(ButtonType.DELETE, "Delete selected categories");
    removeButton.addClickHandler(
        new ClickHandler() {
          public void onClick(ClickEvent event) {
            final ArrayList<Category> delete = callback.getTableSelectedList();
            String text = "Following categories will be deleted";
            UiElements.showDeleteConfirm(
                delete,
                text,
                new ClickHandler() {
                  @Override
                  public void onClick(ClickEvent event) {
                    // TODO - SHOULD HAVE ONLY ONE CALLBACK TO CORE
                    for (int i = 0; i < delete.size(); i++) {
                      if (i == delete.size() - 1) {
                        DeleteCategory request =
                            new DeleteCategory(
                                JsonCallbackEvents.disableButtonEvents(removeButton, events));
                        request.deleteCategory(delete.get(i).getId());
                      } else {
                        DeleteCategory request =
                            new DeleteCategory(
                                JsonCallbackEvents.disableButtonEvents(removeButton));
                        request.deleteCategory(delete.get(i).getId());
                      }
                    }
                  }
                });
          }
        });
    menu.addWidget(removeButton);

    final CustomButton saveButton =
        TabMenu.getPredefinedButton(ButtonType.SAVE, "Save changes in category ranks");
    saveButton.addClickHandler(
        new ClickHandler() {
          @Override
          public void onClick(ClickEvent event) {
            final ArrayList<Category> list = callback.getTableSelectedList();
            if (UiElements.cantSaveEmptyListDialogBox(list)) {
              // TODO - SHOULD HAVE ONLY ONE CALLBACK TO CORE
              for (int i = 0; i < list.size(); i++) {
                if (i == list.size() - 1) {
                  UpdateCategory request =
                      new UpdateCategory(
                          JsonCallbackEvents.disableButtonEvents(saveButton, events));
                  request.updateCategory(list.get(i));
                } else {
                  UpdateCategory request =
                      new UpdateCategory(JsonCallbackEvents.disableButtonEvents(saveButton));
                  request.updateCategory(list.get(i));
                }
              }
            }
          }
        });
    menu.addWidget(saveButton);

    vp.add(menu);
    vp.setCellHeight(menu, "30px");

    CellTable<Category> table = callback.getTable();

    removeButton.setEnabled(false);
    saveButton.setEnabled(false);
    JsonUtils.addTableManagedButton(callback, table, removeButton);
    JsonUtils.addTableManagedButton(callback, table, saveButton);

    table.addStyleName("perun-table");

    ScrollPanel sp = new ScrollPanel();
    sp.add(table);
    sp.addStyleName("perun-tableScrollPanel");

    vp.add(sp);

    // resize perun table to correct size on screen
    session.getUiElements().resizeSmallTabPanel(sp, 350, this);

    this.contentWidget.setWidget(vp);

    return getWidget();
  }