# Package com.dlsc.flexgantt.model.bookmarks

Paging models are used to allow the user to quickly change the time span that is displayed by the timeline.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  IBookmarkModel | A model used for implementing a bookmark concept within the Gantt chart.
  IBookmarkModelListener | A listener that can be attached to a bookmark model.

- Class Summary
  Class | Description
  --- | ---
  Bookmark | A bookmark is basically a stored time point, time span and granularity that can be used to recreate a specific view in the Gantt chart.
  BookmarkEvent | An event object that is being sent to instances of `IBookmarkModelListener` whenever a change has occured in the `IBookmarkModel` instance that they observe.
  DefaultBookmarkModel | The default implementation of a paging model, which stores pages in a simple sorted list.

- Enum Summary
  Enum | Description
  --- | ---
  BookmarkEvent.ID | An enumerator with event IDs that can be used by model listeners to distinguish between different types of events that have occured inside a bookmark model.

## Package com.dlsc.flexgantt.model.bookmarks Description

Paging models are used to allow the user to quickly change the time span that is displayed by the timeline. Lazy loading can be implemented based on pages so that the timeline objects that belong to a page are only loaded when a page gets requested.

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