I'm using an interceptor to store (and clear) a DefaultPieDataset in the
users session from actions that give me the data needed to create charts. My
chart action implements SessionAware and I get the dataset from the session.
I also created a package for the charts that extends struts-default because
the charts plugin doesn't define any interceptors AFAICT. I then get the
chart using an image tag in a modal window which calls my chart action.
<img src="charts/pie.action" width="600" height="200">
<package name="charts" extends="struts-default" namespace="/charts">
<result-types> <result-type name="chart"
class="org.apache.struts2.dispatcher.ChartResult"> <param
name="height">150</param> <param name="width">200</param>
</result-type> </result-types> <action name="pie"
class="....ChartAction"> <result name="success" type="chart">
<param name="width">600</param> <param
name="height">200</param> </result> </action>
</package>
This type of configuration would work for your scenario also. If you have a
huge dataset then storing it in the session could cause an issue with
scalability. With a chart I wouldn¹t imagine that the dataset would be that
large though.
Regards,
Randy Burgess
Sr. Web Applications Developer
Nuvox Communications
> From: Leena Borle <[EMAIL PROTECTED]>
> Reply-To: Struts Users Mailing List <user@struts.apache.org>
> Date: Tue, 13 May 2008 13:50:00 -0700
> To: Struts Users Mailing List <user@struts.apache.org>
> Subject: Re: JFreeChart plugin
>
> Hi,
> I'm using Tomcat-5.5.25. I found out that, if I include action's url in
> <img src="DrawChart_display.action" alt="No Image" />, it gets displayed.
> I am trying to display chart using Remote-Button/Remote-DIV method of S2.
> Which means when user submits form data, I need to display chart inside a
> DIV below this form. something like this ...
> <s:form>
> .....
> <s:submit value="Draw chart" href="%{display_chart}"
> theme="ajax" targets="chart_div"
> cssClass="buttons" />
> </s:form>
>
> <div id="chart_div"></div>
>
> </div>
> Any idea how to achieve this without specifying action's URL directly
> to image tag ?
>
> Leena
>
> On Tue, May 13, 2008 at 11:45 AM, Randy Burgess <[EMAIL PROTECTED]> wrote:
>
>> I used the example code from the documentation on WebLogic 9.2.2 and it
>> ran
>> fine. I built off that example code and now have several actions creating
>> nice 3D pie charts. Which application server are you using?
>>
>> Regards,
>> Randy Burgess
>> Sr. Web Applications Developer
>> Nuvox Communications
>>
>>
>>
>>> From: Leena Borle <[EMAIL PROTECTED]>
>>> Reply-To: Struts Users Mailing List <user@struts.apache.org>
>>> Date: Tue, 13 May 2008 10:41:57 -0700
>>> To: Struts Users Mailing List <user@struts.apache.org>
>>> Subject: JFreeChart plugin
>>>
>>> Hello,
>>> Has anyone tried out JFreeChart plugin? I am trying to run the sample
>> code
>>> available on plugin documentation page. I see all ASCII characters
>> getting
>>> printed on my browser screen instead of an image file.
>>> Any help is appreciated.
>>> Thanks,
>>> Leena.
>>
>>
>>
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