[Bug 13593] New: Let drag and drop sources and targets register supported formats

http://www.w3.org/Bugs/Public/show_bug.cgi?id=13593

           Summary: Let drag and drop sources and targets register
                    supported formats
           Product: HTML WG
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: a11y, a11ytf
          Severity: normal
          Priority: P2
         Component: HTML5 spec (editor: Ian Hickson)
        AssignedTo: ian@hixie.ch
        ReportedBy: gcl-0039@access-research.org
         QAContact: public-html-bugzilla@w3.org
                CC: mike@w3.org, public-html-wg-issue-tracking@w3.org,
                    public-html@w3.org, public-html-a11y@w3.org


HTML5 should allow drag and drop sources and targets to register which formats
they support. 

Use case: Janis is using the keyboard to move items in a Web application. There
are a hundred icons functioning as drag sources and targets, not all of which
support the same data types. She wants to drag an icon representing a User onto
one representing a Group or Office. She navigates to the icon and chooses the
Drag command from its shortcut menu. At this point, a browser add-on highlights
only those icons representing appropriate drag targets (those supporting the
user data type). The add-on could also create temporary keyboard shortcuts for
just those compatible targets or even present them as a drop-down list, which
would make the operation much more efficient than if Janis had to navigate
through a dozens of icons to reach her goal, more closely approximating the
ease and efficiency available to mouse users.

Note: See bug 13591 for a discussion of why drag and drop is valuable for
accessibility.

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Received on Wednesday, 3 August 2011 06:42:05 UTC