Hello,
I'm a CForms newbie trying to use CForms to replace some forms in my
current webapplication. In this application users want to see their
forms restored to the state they left it in when they revisit the form.
I do this by storing the form model in the session object and use it to
bind the form before the next showForm:
function showSearchForm(){
var formId = cocoon.parameters['formId'];
var form = new Form("forms/search-definition.xml");
var modelKey = 'forms.' + formId + '.model';
// Restore the form if a previous model is available
var lastModel = cocoon.session.getAttribute(modelKey);
if ( lastModel != null ){
cocoon.log.info('Restoring from model ' + modelKey);
try {
form.createBinding("forms/" + formId + "-binding.xml");
form.load(lastModel);
}
catch ( x ) {
cocoon.log.error('Error restoring ' + formId + ' using ' +
'forms/search-definition.xml', x);
}
}
form.showForm(formId + "-display");
cocoon.session.setAttribute(modelKey,form.getModel());
cocoon.sendPage(formId + "-showresults");
}
The binding file is very simple:
<fb:context xmlns:fb="http://apache.org/cocoon/forms/1.0#binding"; path="/">
<fb:value id="vakgebied" path="vakgebied"/>
<fb:value id="regid" path="regid"/>
<fb:value id="iwtr" path="iwtr"/>
</fb:context>
This works ok for simple field widgets. However, the vakgebied field is
a multivaluefield widget and throws the following exception:
ERROR (2005-10-13) 15:30.18:317 [flow]
(/cmsbrowser/search/wenr.cform) http8600-Processor21/NativeJavaMethod:
Error restoring wenr using forms/search-definition.xml
java.lang.RuntimeException: Cannot set value of field "vakgebied" with
an object of type org.apache.cocoon.forms.flow.javascript.ScriptableWidget
at
org.apache.cocoon.forms.formmodel.MultiValueField.setValue(MultiValueField.java:171)
at
org.apache.cocoon.forms.binding.ValueJXPathBinding.doLoad(ValueJXPathBinding.java:103)
at
org.apache.cocoon.forms.binding.JXPathBindingBase.loadFormFromModel(JXPathBindingBase.java:162)
at
org.apache.cocoon.forms.binding.ComposedJXPathBindingBase.doLoad(ComposedJXPathBindingBase.java:96)
at
org.apache.cocoon.forms.binding.ContextJXPathBinding.doLoad(ContextJXPathBinding.java:52)
at
org.apache.cocoon.forms.binding.JXPathBindingBase.loadFormFromModel(JXPathBindingBase.java:162)
at
org.apache.cocoon.forms.binding.JXPathBindingBase.loadFormFromModel(JXPathBindingBase.java:176)
How do I restore a multivaluefield widget?
Thanks,
Stefan.
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