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Analysis

Overview

• This task is about the Drag'N'Drop base implementation. Sophie 2.0 should be able to provide a relatively complex DnD behavior.

Task requirements

• Think of the following scenarios of a DND functionalities:
  • DnD for resources:
    • media resources - audio, video, images etc. (may include things like flash in a later revision).
    • text resources - txt, rtf.
    • html resources.
    • content - text content should be processes when dragged to a text frame for example.
  • DnD into UI components:
    • text frames - should be able to process text dragging and dropping.
    • image frames - should be able to accept DnD of image content.
    • media frames - should be able to accept DnD of media files.
    • palletes:
      • Resource palette:
        • Should process dropping of files.
        • User should be able to drag files outside Sophie 2.0.
      • Same applies to Page templates palette, Plug-in palette, Books palette, Pages palette, Book templates palette etc.
      • Things should be dragged into palettes and out of, or just transfer things from one palette to another

(from Page palette to Page templates palette should create a template for the page that is dragged and dropped in the templates palette.) .

• work areas - should process dragging of frame templates, resources (resulting in creating an appropriate frame).
• books desktop - should process creating a book from a template by dropping that template, should be able to export a book template by dragging it to the book templates.

• All of the things mentioned should be made possible. The person should decide on whether some library should be used or another one should be written.
  • provide a way to actually test the drag and drop functionalities.
  • implement at least 3 DnD scenarios from the table that follows.
• A description in a wiki page should be created, explaining how to use the library and how things work.
• Examine the following table => ​http://spreadsheets.google.com/ccc?key=p-0Oq38E1aysuTs69KE68Nw&hl=en
  • decide what could added.
  • decide if there is something to remove.
• Unit test for the base implementation.

Task result

• source code

Implementation idea

• review DnD library in java.
• research for some other library.
• design the final library that we are going to use - it may be something existing or something that is newly created and uses something existing.

Related

• AUTHOR_PAGE_WORK_AREA_R0 - should be responsible for processing drag and drop events.
• READER_PAGE_WORK_AREA_R0 - should be responsible for processing drag and drop events.

How to demo

• Execute the Unit tests.
• Execute the three scenarios that have been implemented.

Design

Implementation

^{(Implementation results should be described and linked here (from the wiki or the repository))}

Testing

Comments

^{(Write comments for this or later revisions here.)}