Gadgets

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Contents

Background

At 2007 September Members Meeting, we decided to investigate possible metadata standards for mashup components, sometimes called "widgets" or "gadgets". We recognized potential overlap with the metadata work coming out of the IDE WG (http://www.openajax.org/member/wiki/IDE) because they are developing metadata standards for UI controls (another possible definition for "widget"). The Gadgets TF is focused on one form of "widgets" that get plugged into a mashup container application at run-time, whereas the IDE WG is focused on potentially a different form of "widgets" that are consumed at design-time by a developer tool.

Working Documents

Relationship to other forums

  • Need to coordinate with IDE WG (see introductory remarks, above)
  • Need to coordinate with WAF WG, which is working on a Widgets 1.0 specification (where the term term "widget" refers to mini-applications that are installed onto the platform and run outside of the browser)

Chair and membership

Stewart Nickolas from IBM will chair this task force. The following list is the current members in this task force:

  • Stewart Nickolas <nickolas(at)us.ibm.com> - chair
  • Jon Ferraiolo <jferrai(at)us.ibm.com>
  • Howard Weingram <weingram(at)tibco.com>
  • Bertrand Le Roy <bleroy(at)microsoft.com>
  • David Boloker <boloker(at)us.ibm.com>

Task Force's Email list

The email list is gadgets@openajax.org. Archives can be found at: http://openajax.org/pipermail/gadgets/. To subscribe to this list, fill out the form at: http://openajax.org/mailman/listinfo/gadgets.

Task Force Schedule

The schedule, and plan on how to move forward will be discussed in a future conference call among the task force members. Given the nature of this task force, we only expect occasional conference calls. Most of the work will be done via email.

Conference Calls

  • Standard time slot: Wednesday 1:00pm PT, 3:00pm CT and 4:00pm ET

Next meeting: 8/21/08 at 1pm US-PT. Agenda:

  • Pass the prop

Agenda for next meeting (8/21/08)

  • Should we and should we not pass a property bag to the widget constructor?
  • What name for onchange callback functions
  • Walk through latest version of the reference implementation

Previous Agendas

Agenda (7/23/08)

  • Discuss the role of gadget wrappers and transcoding to support other widget systems (e.g. Dojo, YUI, Ext, Google Gadgets...)

Agenda (6/18/08)

There are a number of questions the gadgets taskforce needs to address in the OpenAjax Metadata Specification Widget Metadata located here: http://www.openajax.org/member/wiki/OpenAjax_Metadata_Specification_Widget_Metadata . In today's (6/18) call we'll review them and provide proposals for the IDE WG's next meeting.

Agenda for next meeting (6/11/08):

  • Discuss the Gadget Content Types, specifically the URL based type.
  • Mapping Google Gadget views to the OAA metadata

5/23/08

A demonstration of OpenSearch for searching, locating and installing OpenAjax Gadgets

For background see: Image:AjaxWorld.pdf starting on chart 14


05/21/08

05/07/08

4/30/08 Agenda Gadget onChange Samples

1) onChange API - in the proposal located on http://www.openajax.org/member/wiki/IBM_Widgets_proposal we have stated: ")onChange - OPTIONAL string specifying a JavaScript function or method to invoke when the property changes, if listen is true. The implementation will first check for a function within the scope of the widget and then check for a method on the widget wrapper of the specified name."

The IDE working group has asked for a proposal regarding the onChange event (http://www.openajax.org/member/wiki/OpenAjax_Metadata_Specification_Widget_Metadata).

2) Languauge translation phase of the widget expansion. Agenda for next meeting (4/16/08):

  • Widget loading/unloading interactions for static and dynamic widget assemblies
  • Trusted and untrusted models (integrating with SMash)

The interactions diagrams are located on Gadget Loading

If needed:

See below for call-in information.

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Conference Call Minutes (in reverse chrono order)

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