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= Analysis =

== Overview ==
The layout of Sophie 2.0 consists of a book desktop, menu bar and flaps. Flaps may contain tabs. Tabs may contain palettes.[[BR]]
Base layout is the base library of the layout so that it is independent from realization. It is sort of a layout model.

== Task requirements ==
 * Create a !SophieModule for the library.
 * The module should have extension points for adding different layout elements.
  * Flaps
  * Tabs
  * List palettes
  * desktop
  * menu bar
 * The library should provide a method that creates the layout according to the provided extensions.
 * The constructed layout should be displayed by a concrete implementation.
 * Create an extension point for the concrete implementation.
  * The implementation should take the given structure of the layout(the model)
  * It should then display it as a set of GUI elements

== Task result ==
The result of this task should be source code.

== Implementation idea ==
 * Allow attachment of flaps tabs and palettes to make the library independent from the concrete layout elements.
 * This means to add flaps and their elements dynamically
 * Write a class extending !SophieModule
 * Create an extension point for the implementation. It should have a show (or similar) method.
 * Make classes that are independent of the GUI

== Related ==
[wiki:APP_MAIN_WINDOW_R0][[BR]]
[wiki:APP_LAYOUT_ALTERNATIVE_R0][[BR]]
[wiki:APP_LAYOUT_MYDOGGY_R0]

== How to demo ==
 * Run Sophie 2.0 and show the layout
 * remove some of the extensions and show how the layout is changed.

= Design =
 * Create org.sophie2.base.layout module
 * Create class !MainWindow - Defines the basic elements of a main window (such as the main window of Sophie 2 Author). !MainWindow has following properties:
  * leftFlap
  * rightFlap
  * bottomFlap
  * menuBar
  * bookDesktop
  * tabBar
 * Create class Flap with following properties
  * tabs
  * title
  * tooltip
 * Create class Tab with following properties
  * palettes
  * parent - Parent Property returning parent flap - left, right or bottom
 * Create class Palette with following properties
  * abstract Prop swingComponent
  * parent - Parent Property returning parent tab - left, right or bottom
 * !BaseLayoutModule extends !SophieModule. !BaseLayout provides extension point for !LayoutEngine
 * !LayoutEngine is the interface of the extension point. !LayoutEngine provides 2 methods:
  * show(!MainWindow mainWindow): void
  * hide(!MainWindow mainWindow): void

= Implementation =
 * org.sophie2.base.layout module and org.sophie2.layout.vldocking module created
 * modifications made - [changeset:429], [changeset:430] and [changeset:432]

= Testing =

= Comments =

= Log =
[[Include(wiki:BASE_LAYOUT_R0_LOG)]]