Thanks I also found by googling and from struts forums, that Ajax does not support rendering binary data yet so I can't render my chart asynchronously directly without persisting it first somewhere. Anyway normal chart rendering using <img:image src="..... works fine now
Travers -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Matt Raible Sent: 13 July 2007 04:48 PM To: users@appfuse.dev.java.net Subject: Re: [appfuse-user] using ajax to render a chart in appfuse 2 m5 If you search through the mailing list archives, you'll find that solution. The solution is to copy Dojo's files to scripts/dojo and exclude scripts/dojo/* in the StaticFilter. Then you have to add the manual Dojo stuff to your <head>. Matt On 7/13/07, Travers Snyman <[EMAIL PROTECTED]> wrote: > > > > > I managed to get the <img src tag to render the chart correctly. Problem was > a sill "/" in the namespace definition of package defining jfreechart > actions in struts.xml. I still have a problem with the ajax side. > > > > The following > > <img id="indicator1" src="/images/indicator.gif" > > alt="Loading Info" style="display:none"/> > > <s:url id="ajaxCallUrl" > value="/chart/ViewSimpleXYChart.html"/> > > <s:div theme="ajax" > > href="%{ajaxCallUrl}" loadingText="Loading > Chart..." indicator="indicator1"> > > </s:div> > > Gets to the action and returns the chart, but renders it as text in the > <s:div. I must somehow tell to render it as a png. This is on IE7. On > Firefox I get the following error: > > FATAL exception raised: Could not load 'struts.widget.Bind'; last tried > '__package__.js' > > > > I have <s:head in my <head> section to enable ajax. > > With firefox, if I comment out the sitemesh filter in web.xml, I get the > same results as in IE7.? > > > > Travers > > > > ________________________________ > > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Matt Raible > Sent: 12 July 2007 03:49 PM > > To: users@appfuse.dev.java.net > Subject: Re: [appfuse-user] using ajax to render a chart in appfuse 2 m5 > > > > > I don't know enough about Charts to determine if they're using an HTML > template loaded from a JAR file or anything like that. My guess is not. If > you can render an image from going to a specific URL in your browser, you > should be able to use a regular <img src=> tag to point to that URL and > render the image in your page. Maybe you don't need to use Struts' <img:> > tag? > > > > > > Matt > > > On 7/12/07, Travers Snyman <[EMAIL PROTECTED] > wrote: > > Thanks Matt for the reply, > I am really quite confused. If I try src="/chart/ViewSimpleXYChart .html" > I still get a There is no Action mapped for namespace /chart and action > name > Exception. > > I don't understand how the menu finds the action though. In menu-config > I have > <Menu name="XYChartMenu" title=" menu.xyChart" > description="XY > Chart Menu" > page="/ViewSimpleXYChart.html" /> > > which renders the chart, but not to my jsp > > Also if I add a namespace="chart" to the chart package definition in > struts.xml then the menu does not work anymore even if the page > parameter points to page="/ViewSimpleXYChart.html" /> > > Do I maybe need to change anything on the struts filter in web.xml ? > > Travers > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Matt > Raible > Sent: 12 July 2007 01:45 PM > To: users@appfuse.dev.java.net > Subject: Re: [appfuse-user] using ajax to render a chart in appfuse 2 m5 > > Looking at your action definition, I believe the URL should be > src="/chart/ViewSimpleXYChart.html". > > Matt > > On 7/12/07, Travers Snyman <[EMAIL PROTECTED]> wrote: > > > > > > > > > > I think my problem has to do with struts namespaces. The jsp I am > using the ajax call from is in the default package and the chart action > in another package called "chart" because I have to extend > jfreechart-default here. My problem is <img:image > src="/viewSimpleXYChart.html"/ > gives > > > > > > > > There is no Action mapped for namespace / and action name > viewSimpleXYChart. - [unknown location] > > > > > > > > Any help appreciated > > > > > > > > Travers > > > > ________________________________ > > > > > From: Travers Snyman [mailto:[EMAIL PROTECTED] > > Sent: 10 July 2007 02:41 PM > > To: users@appfuse.dev.java.net > > Subject: [appfuse-user] using ajax to render a chart in appfuse 2 m5 > > > > > > > > > > Hi, > > > > I created a simple action class to generate a chart. I use the > struts-jfreechart plugin to get the chart result type. I now want to > render the chart by doing something like this in a jsp: > > > > > > > > <s:url id="ajaxChartUrl" > value="/viewSimpleXYChart.html"/> > > > > <s:div theme="ajax" > > > > href="%{ ajaxChartUrl }" loadingText="Loading Chart..." > > > > > > </s:div> > > > > > > > > My struts.xml is configured as follows: > > > > > > > > <package name = "chart" extends="jfreechart-default"> > > > > <action name="ViewSimpleXYChart" > class="cam.webapp.action.XYChartAction" > > > > > <result name="success" type="chart"> > > > > </result> > > > > </action> > > > > </package> > > > > > > > > If I use menu to point to viewSimpleXYChart.html, the action is hit > and the chart displayed in a blank page, however hitting the jsp with > the ajax stuff does nothing (no error traces), actions execute() method > is simply not accessed. > > > > > > > > Also I thought the following would work from a normal appfuse jsp page > > > > > > > > <img:image src="/viewSimpleXYChart.html"/> > > > > > > > > But it seems to be the same problem. I am sure I am missing something > fundamentally simple here. The action will generate the chart as png, > and the getChart method place it on the value stack and the references > in the jsp get it from there and display it in the <s:div section ? I > intend using this type of ajax method for a dashboard using Jfreecharts. > > > > > > > > Thanks > > > > Travers > > > > -- > http://raibledesigns.com > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] .net > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > -- > http://raibledesigns.com -- http://raibledesigns.com --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
