From: CPH (cphennessy_at_openoffice.org)
Date: Tue Nov 11 2003 - 01:39:47 CET
From: CPH <cphennessy@openoffice.org> Date: Tue, 11 Nov 2003 00:39:47 +0000 Message-Id: <200311110039.47798.cphennessy@openoffice.org> Subject: Re: [taskjuggler-devel] Integrating taskjuggler with OpenOffice.org
On Monday 10 November 2003 17:05, Chris Schlaeger wrote:
> Hi,
>
> On Monday 10 November 2003 16:37, CPH wrote:
> > Hi,
> > Your project looks quite interesting especially as this is something
> > missing from OpenOffice.org. There may be people interested in working on
> > this integration as mentioned below.
> > Would you be interested in assisting with this ?
>
> I'm certainly willing to work on a better OpenOffice integration. Currently
> the best we can offer is exporting CSV files for import into a spread
> sheet.
I'm hoping to do a bit better than that :)
> > Do you think that the very brief approach I mentioned below is reasonable
> > ?
>
> Sure, but it depends what you want to achive. TaskJuggler is a pretty
> powerfull scheduling engine, but the textual input format is not everyones
> darling (though it is damned powerfull if you know how to work it ;). So
> some people would like to have a GUI for data input. But the biggest
> drawback of TaskJuggler is the visulisation of results. The HTML reports
> need clever filtering or you will loose your project. I alreay tried to add
> some DHTML but this always kills one or the other browser. Klaas has
> started to write a Konqueror plugin that can display the XML as Gantt
> charts, but has not enough time for a full blown visualizer. So if OOo
> could read in TJ results and generate nice Gantt charts and other tables,
> that would be a big plus.
I think that this is quite possible. OpenOffice.org files are only zipped
XML files so as a first step I'm thinking of writing the GUIs using
OpenOffice.org APIs, which would write a TJ xml file, call TJ, convert the
results into OOo XML files, and display these files in a spreadsheet.
I downloaded and build the CVS version of TJ, but there is no XML files in it.
Do you have any examples of XML I could use ?
If the above works out then better integration can be worked on.
Also how much of the code depends on Qt ? The reason I ask is not about
licensing but rather about reusing libs which already come with OpenOffice
where possible.
> > Also, how close is your XML to be stable enough to freeze ?
>
> The XML (esp. the version 2) is fairly new. We don't even have a stable
> release out with it. So I wanted to get some more feedback on it, before I
> want to call it stable. The biggest issue is, that is is not fully
> complete. The textual format has some features that the XML is missing.
> Mostly rarely used stuff, but I want to add this after 2.0. You may have
> noticed that TJ uses the same file format for reading and exporting data.
> This is true for both the textual format as well as the XML format. The XML
> just lacks some features. It is my goal to make both formats (XML and TJP)
> fully
> interchangeable.
>
> > And are you considering submitting this (or having it submitted) to the
> > OASIS group as a standard ?
>
> I haven't cosidered that so far. Here are some things that would be needed
> first:
>
> 1) Make it a proper DTD.
> 2) Add missing elements.
> 3) Consider if it is general enough for a public standard.
> 3) Document it.
>
> So there is still some work to do. The XML support is not at the top of my
> prio list right now. Mostly because I haven't received much interest in
> this feature and the current stuff seems to work.
>
> TJ 2.0 is almost done. As soon as I've finished the new syntax reference in
> the manual it will be released. After that I could work more on the XML
> again.
Thanks
CPH
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