# Uses of Package
org.zkoss.zul.impl

- Packages that use org.zkoss.zul.impl
  Package | Description
  --- | ---
  org.zkoss.zhtml |
  org.zkoss.zkex.zul |
  org.zkoss.zkex.zul.impl |
  org.zkoss.zkmax.zul |
  org.zkoss.zkmax.zul.impl |
  org.zkoss.zul |
  org.zkoss.zul.impl |

- Classes in org.zkoss.zul.impl used by org.zkoss.zhtml
  Class | Description
  --- | ---
  LabelElement | A XUL element with a label.
  LabelImageElement | A XUL element with a label (`LabelElement.getLabel()`) and an image (`LabelImageElement.getImage()`).
  XulElement | The fundamental class for XUL elements.

- Classes in org.zkoss.zul.impl used by org.zkoss.zkex.zul
  Class | Description
  --- | ---
  LabelElement | A XUL element with a label.
  LabelImageElement | A XUL element with a label (`LabelElement.getLabel()`) and an image (`LabelImageElement.getImage()`).
  XulElement | The fundamental class for XUL elements.

- Classes in org.zkoss.zul.impl used by org.zkoss.zkex.zul.impl
  Class | Description
  --- | ---
  CaptchaEngine |
  ChartEngine | Chart engine is an engine that do the real chart rendering.

- Classes in org.zkoss.zul.impl used by org.zkoss.zkmax.zul
  Class | Description
  --- | ---
  DateTimeFormatInputElement | A skeletal implementation for date/time type input box.
  FormatInputElement | A skeletal implementation for an input box with format.
  InputElement | A skeletal implementation of an input box.
  LabelElement | A XUL element with a label.
  LabelImageElement | A XUL element with a label (`LabelElement.getLabel()`) and an image (`LabelImageElement.getImage()`).
  XulElement | The fundamental class for XUL elements.

- Classes in org.zkoss.zul.impl used by org.zkoss.zkmax.zul.impl
  Class | Description
  --- | ---
  DataLoader | DataLoader is used with `Grid`, `Listbox` to handle data loading from model to server and then to client side.
  GridDataLoader | Generic `Grid` data loader.
  ListboxDataLoader | Generic `Listbox` data loader.
  TabboxEngine | Tabbox engine is an engine that do the model rendering for `ListModel`

- Classes in org.zkoss.zul.impl used by org.zkoss.zul
  Class | Description
  --- | ---
  CaptchaEngine |
  ChartEngine | Chart engine is an engine that do the real chart rendering.
  DateTimeFormatInputElement | A skeletal implementation for date/time type input box.
  FooterElement | A skeletal implementation for a footer.
  FormatInputElement | A skeletal implementation for an input box with format.
  HeaderElement | A skeletal implementation for a header.
  HeadersElement | A skeletal implementation for headers, the parent of a group of `HeaderElement`.
  InputElement | A skeletal implementation of an input box.
  LabelElement | A XUL element with a label.
  LabelImageElement | A XUL element with a label (`LabelElement.getLabel()`) and an image (`LabelImageElement.getImage()`).
  LoadStatus | Denote the status whether a on-demand-loading item is loaded.
  MeshElement | The fundamental class for mesh elements such as `Grid`, `Listbox`, and `Tree`.
  NumberInputElement | A skeletal implementation for number-type input box.
  Padding | Control the padding height of a component(Used mainly for component developing).
  TabboxEngine | Tabbox engine is an engine that do the model rendering for `ListModel`
  XulElement | The fundamental class for XUL elements.

- Classes in org.zkoss.zul.impl used by org.zkoss.zul.impl
  Class | Description
  --- | ---
  DataLoader | DataLoader is used with `Grid`, `Listbox` to handle data loading from model to server and then to client side.
  FormatInputElement | A skeletal implementation for an input box with format.
  GroupsListModel | Encapsulates `GroupsModel` as an instance of `ListModel` such that it is easier to handle by `Listbox` and `Group`.
  InputElement | A skeletal implementation of an input box.
  LabelElement | A XUL element with a label.
  LabelImageElement | A XUL element with a label (`LabelElement.getLabel()`) and an image (`LabelImageElement.getImage()`).
  XulElement | The fundamental class for XUL elements.