User Story: Drag And Drop (D&D)

Goal

Associating information about a person, a group, a company for it to be consumed by some program - be it a thick client or browser based - should be as easy as dragging the page about that person or group onto the program.

Summary

Actors

• Alice

Preconditions

Triggers

• Dragging an element onto another.

Basic course of events

• Tagging a picture as one in which someone appears should be as easy as dragging that person from an address book, or their home page onto the photo.

Alternative paths (optional)

Post-conditions

• The picture is effectively tagged with the friend.

Business rules

Currently Close Technologies

• Google Wave allows users to be dragged and dropped onto a discussion, which gives them rights.

Author and date

Henry Story

Further References

• Universal Drag And Drop, explains how D&D can work in a very simple RESTful manner.
  • The Sommer Address Book implements dragging foaf URLs onto the Address Book as a way of adding someone to it
• Some resources describing support for drag and drop in HTML5:
  • Drag and drop with HTML 5 and Wookie
  • HTML 5 Drag and Drop + Microformats = a whole world of possibilities
  • The HTML5 document specifies D&D behavior accross applications, but this is not yet implemented, as reported on the SWXG mailing list
• Demo: Publishing Desktop Data with semiBlog, presents a MetaWeblog API based system to do the same.