Hi Shawn, On 2/8/07, Shawn Lauzon <[email protected]> wrote:
Hi Catalin,
Yes, I did find that page, but it doesn't give any information on how to use it; just what kind of capabilities it has.
I just documented the most important parameters of the {chart} macro: http://www.xwiki.org/xwiki/bin/view/Code/ChartMacro Hope this can help you. Once the 2 small fixes we made today in the charting plugin will be applied to xwiki.org I will also add a lot of samples I prepared a while ago (they are all using data from tables though). If you want to see them now you can temporary download them here: http://www.ps.uni-sb.de/~hritcu/temp/samples.zip
The error I'm currently getting is:
java.lang.ClassNotFoundException: com.xpn.xwiki.plugin.charts.source.XWikiComments
Which is because I'm trying to use the ObjectDataSourceFactory and I don't know how to use it. Sorry, but ObjectDataSourceFactory seems not to be working any more (don't even know if it ever did). In the most cases a table data source should be enough.
I've tried to view the XWiki.XWikiComments type of object, but it's trying to instantiate an object of that type in the plugin.charts.source package. I can tell from the source that I'm not using it as it's supposed to be used, but I can't tell how it is supposed to be used.
It was some sort of extension mechanism we devised when we first built the plugin. Looking in retrospect it no longer seems like a good extension mechanism. Still, the use case we had in mind then, does not seem to be similar to what you have in mind now.
There does seem to be at least one bug (ChartingPlugin.getName() returns super.getName(), when it should return "charting") which I can open an issue for and provide a patch, but I am guessing that that is what this bug is about http://jira.xwiki.org/jira/browse/XWIKI-824
Exactly. It was fixed today and committed on SVN :)
Though maybe it would help to explain how I want to use it. I've got tracking data stored as objects on sets of pages (forms / classes /etc.) I want to be able to write a query which returns a set of objects, and then use the charting plugin to create charts based on some of the fields in those objects. This differs from the static tables that are in the example, but I hope this use case is still valid.
Finally, if there's any help that I can provide, I'm certainly available. Thanks ...
Yes, it would be great to have this for xwiki. However, at the time this is just not implemented. It would be great if you could help us implementing this. I will have a look at the options we have for this and then come back to you. Until then it would be great if you could create a JIRA issue for this where you detail your use case. Catalin
"Catalin Hritcu" <[email protected]> wrote on 02/08/2007 03:16:59 AM:
And the link to the documentation of the plugin is this: http://old.xwiki.org/xwiki/bin/view/Dev/XWikiCharting
Feel free to ask me if you have further problems/questions.
Catalin
On 2/8/07, Catalin Hritcu <[email protected]> wrote:
Can you give us a more informative description of the error you are getting?
Catalin
On 2/8/07, Shawn Lauzon <[email protected]> wrote:
Hi all ... anyone know how to use this? It looks like there is
lots of code
out there, but I see no instructions. I played around with it enough to at least get errors from the macro, but not enough to see anything. Pointers appreciated, and I can help document if someone gives a bit of a push. Thanks ...
shawn.
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