Doesn't that code render the chart twice, with the rendering for the image map simply being dumped?

On 04/10/2010 07:51, Peter Karich wrote:
thanks!

Dear all,

I've added a new wiki page "JFreeChart with tooltip
example<https://cwiki.apache.org/confluence/display/WICKET/JFreeChart+with+tooltip+example>",
which outlines the steps to follow to create JFreeChart based charts that
can display tooltips.

On Fri, Oct 1, 2010 at 3:05 PM, James<james.eliye...@gmail.com>  wrote:


Thanks Ernesto.
I'll do the same.


On Fri, Oct 1, 2010 at 2:24 PM, Ernesto Reinaldo Barreiro<
reier...@gmail.com>  wrote:


James,

why not add this "bit" to the wiki page you mentioned? So that others
can avoid loosing the hours you lost;-)

Cheers,

Ernesto

On Fri, Oct 1, 2010 at 8:18 AM, James<james.eliye...@gmail.com>  wrote:

Guys,

Finally managed to display the tooltip generated by JFreeChart in the

wicket

page by following these
instructions<

http://markmail.org/message/r36cvdt2o3c4pki6#query:wicket%20jfreechart%20tooltips+page:1+mid:xqpnjdsj2lnkoinq+state:results

.
Had only an example markup been given in that post, it would have saved

lots

of frustrating hours I spent. :-(

For anyone looking forward for showing the tooltips in a chart generated

by

JFreeChart, here is the markup you might need.

<code>
    <img wicket:id="chart" usemap="#tooltip"></img>
</code>

For the java part, use this
code<

http://markmail.org/message/r36cvdt2o3c4pki6#query:wicket%20jfreechart%20tooltips+page:1+mid:xqpnjdsj2lnkoinq+state:results

.

Your output should look something like this..

<code>
       <img wicket:id="chart" usemap="#tooltip" src="blah blah"></img>
       <map id="tooltip" name="tooltip">
            <area/>
       </map>
</code>


NOTE:

  - You must use<code>  <img wicket:id="chart" usemap="#tooltip"></img>
</code>  and not<code>  <img wicket:id="chart" usemap="#tooltip"/>

</code>

  - You must use the "#" symbol before the "usemap" id.
  - The image map related html markup is generated by the api provided by
JFreeChart.



On Fri, Oct 1, 2010 at 10:34 AM, James<james.eliye...@gmail.com>

wrote:


Hi Peter,

Thanks for your prompt reply.
I don't know how I missed this wonderful mailing list for this long..

;-(

I have tried passing models to constructImageMap (wrapping the chart

image

object as a model) but somehow the map was not updated.

I checked jetwick and it looks cool. ;-)
Do you use JFreeChart to create those charts?
I'm willing to try that option as well. Kindly blog about it!

Thanks once again for taking your time to reply.


On Thu, Sep 30, 2010 at 7:27 PM, Peter Karich<peat...@yahoo.de>

wrote:


Hi James,

In the constructImageMap you whill have to pass a model as well, but

I'm

not sure how :-(

Another way would be to adapt constructImageMap to updateImageMap
so that you can call it in ChartImage.createBufferedImage (or every

time

the model updates)

BTW: For jetwick I used an html solution with div's to display bar

charts.

which is customizable by the designer (if any ;-)), readable by

spiders

etc
and didn't need those imagemaps. Are you interested in this solution?

I

could blog about it.

Regards,
Peter (aka timetabling on twitter ;-)).


Hi Guys,

I followed the instructions in the wiki "JFreeChart with clickable
imagemap<


https://cwiki.apache.org/WICKET/jfreechart-with-clickable-imagemap.html>"

to create a chart.
I have a requirement whereby the chart has to be generated

dynamically

based

on certain inputs.
I managed to create the chart image by using LoadableDetachableModel

but

struggling to get the imagemap updated as the chart image changes.
Kindly give your valuable suggestions.



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