How to use

getAspect

method

in

org.opensingular.form.SInstance

  @Nonnull
  private Optional<FlatViewGenerator> getChildFlatViewGen(SInstance child) {
    return child.getAspect(ASPECT_FLAT_VIEW_GENERATOR);
  }
}

  @Nonnull
  private static IWicketComponentMapper resolveMapper(@Nonnull SInstance instance) {
    return instance.getAspect(IWicketComponentMapper.ASPECT_WICKET_MAPPER).orElseThrow(
        () -> new SingularFormException("Não há mappeamento de componente Wicket para o tipo", instance));
  }
}

private void callListItemDoWrite(TableRowDocumentCanvasAdapter row, SInstance field) {
  field.getAspect(FlatViewGenerator.ASPECT_FLAT_VIEW_GENERATOR)
      .ifPresent(viewGenerator -> viewGenerator
          .writeOnCanvas(row, new FlatViewContext(field, true, true)));
}

  /**
   * This is a method default that used BootstrapHtmlCanvas to generate the html of the requirement.
   *
   * @param root doc in the super class.
   * @return doc in the super class.
   */
  @Override
  public String generate(SInstance root) {
    HtmlCanvas htmlCanvas = new BootstrapHtmlCanvas(true);
    root.getAspect(ASPECT_FLAT_VIEW_GENERATOR).ifPresent(i -> i.writeOnCanvas(htmlCanvas, new FlatViewContext(root)));
    return htmlCanvas.build();
  }
}

@Override
protected void doWriteOnCanvas(DocumentCanvas canvas, FlatViewContext context) {
  SIComposite instance = context.getInstanceAs(SIComposite.class);
  DocumentCanvas subcanvas;
  if (isFlatView(context, instance)) {
    subcanvas = canvas;
  } else {
    canvas.addSubtitle(context.getLabel());
    if (instance.getParent() == null) {
      subcanvas = canvas;
    } else {
      subcanvas = canvas.addChild();
    }
  }
  List<SInstance> fields = instance.getAllFields()
      .stream()
      .sorted(Comparator.comparing(this::isChildWithSessionBreaker)).collect(Collectors.toList());
  int rowCount = 0;
  for (SInstance child : fields) {
    rowCount += child.asAtrBootstrap().getColPreference();
    if (rowCount > 12 || isChildWithSessionBreaker(child)) {
      rowCount = 0;
      subcanvas.addLineBreak();
    }
    Optional<FlatViewGenerator> aspect = child.getAspect(ASPECT_FLAT_VIEW_GENERATOR);
    aspect.ifPresent(flatViewGenerator -> flatViewGenerator.writeOnCanvas(subcanvas, new FlatViewContext(child)));
  }
}

@Override
protected void doWriteOnCanvas(DocumentCanvas canvas, FlatViewContext context) {
  canvas.addSubtitle(context.getLabel());
  SIComposite instance = (SIComposite) context.getInstance();
  SViewTab viewTab = (SViewTab) ViewResolver.resolveView(instance.getType());
  for (SViewTab.STab tab : viewTab.getTabs()) {
    canvas.addSubtitle(tab.getTitle());
    for (String path : tab.getTypesNames()) {
      SInstance child = instance.getField(path);
      child.getAspect(FlatViewGenerator.ASPECT_FLAT_VIEW_GENERATOR)
          .ifPresent(viewGenerator ->
              callChildWrite(canvas.addChild(), child, viewGenerator));
    }
  }
}

FlatViewGenerator flatViewGenerator = f.getAspect(FlatViewGenerator.ASPECT_FLAT_VIEW_GENERATOR).orElse(null);