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From Carsten Ziegeler <>
Subject Re: Towards a brand new web UI...
Date Tue, 07 Jul 2009 10:12:29 GMT
Does it make sense to develop this as a plugin for the Felix web console?


Marcel Offermans wrote:
> When we donated the sources, we did not donate the UI part of the
> client, so the first thing we should probably do now is create a new UI.
> Past experiences have indicated most people would like to use a web
> based UI. Since the original client used the MVC pattern (it was Swing
> based) I think GWT is a logical choice.
> This afternoon I added some tasks to JIRA to build a basic version which
> is modeled loosely after the old Swing client. I will try to explain the
> Ui and related tasks in a bit more detail.
> Let's start with the basic operation of the client. A client session
> starts by "checking out" a version of the repositories containing the
> metadata about components, groups, features and targets. You can then
> manipulate the repository locally and finally commit it or revert the
> local changes.
> The UI consist of 4 columns, ordered from left to right, and you can add
> items to each column and associate items in different columns with each
> other by using drag and drop.
> The idea is to build this UI step by step. The client side logic is
> already in place (allowing you to perform all operations explained above
> through OSGi services).
> ACE-23 and 24 are about including a GWT application in the build, and
> deploying it in OSGi using the PAX bundles.
> ACE-25 then builds the 4 empty columns of the UI and hooks up the right
> most column containing the targets. A target is an OSGi framework and
> each target should somehow be uniquely identifyable (which is a service
> that can be implemented in the management agent). When this task is
> done, you should be able to launch the web UI and see targets showing up
> when they are launched and succesfully talking to the server.
> ACE-26 Then adds the ability to add groups and features and have them
> show up in the middle two columns.
> ACE-27 Is about adding components (bundles or other supported datatypes)
> to the left most column, uploading them to an OBR too.
> ACE-28 then adds the ability to create associations between the elements
> in the columns, using drag and drop, with ACE-30 visualizing those
> associations by means of highlighting related items in adjacent columns
> when you select something in a column.
> ACE-29 then adds features to get, commit and revert repositories, which
> is the point where the system actually starts becoming useable.
> ACE-31 then adds the ability to remove associations and objects.
> All these issues together should give us a basic client to work with. I
> intend to start working on this from now on, but if anybody wants to try
> and help out, feel free to do so. Especially if you have experience with
> the PAX tools or even GWT! I'm sure some of these tasks are a bit too
> much for those with no prior history of working on this codebase, but
> we're here to help! :)
> Also, if you have any comments or suggestions, let me know!
> Greetings, Marcel

Carsten Ziegeler

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