It is quite easy to use dojo components with Wicket, especially with the
declarative approach.
Here is a behavior that I wrote few days ago (so it is not bug free)
that could be used for most of the dijit.form.** components:
package com.mycompany.dojo;
import java.util.Locale;
import org.apache.wicket.Request;
import org.apache.wicket.RequestCycle;
import org.apache.wicket.WicketRuntimeException;
import org.apache.wicket.ajax.AbstractDefaultAjaxBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.html.IHeaderResponse;
import org.apache.wicket.markup.html.form.FormComponent;
import org.apache.wicket.util.convert.IConverter;
import org.apache.wicket.util.value.IValueMap;
@SuppressWarnings("serial")
public class DojoOnChangeBehavior<T> extends AbstractDefaultAjaxBehavior
{
private static final String parameterName = "dojoOnChangeValue";
private final String dojoType;
public DojoOnChangeBehavior(String dojoType) {
this.dojoType = dojoType;
}
@SuppressWarnings("unchecked")
@Override
protected void onBind() {
super.onBind();
if (false == getComponent() instanceof FormComponent) {
throw new
WicketRuntimeException(DojoOnChangeBehavior.class.getName()+" can be
used only with implementations of "+FormComponent.class.getName());
}
}
@Override
public void renderHead(IHeaderResponse response) {
super.renderHead(response);
response.renderJavascript(String.format("dojo.require('%s')",
dojoType), "dojo.require."+dojoType);
}
@Override
protected void onComponentTag(ComponentTag tag) {
super.onComponentTag(tag);
IValueMap attributes = tag.getAttributes();
attributes.put("dojoType", dojoType);
CharSequence callbackUrl = getCallbackUrl(false);
String dojoCallbackUrl = "wicketAjaxGet('"+callbackUrl
+"&"+parameterName+"='+arguments[0])";
// String dojoCallbackUrl = "alert(arguments[0])";
attributes.put("onChange", dojoCallbackUrl);
}
@Override
protected void respond(AjaxRequestTarget target) {
final Request request = RequestCycle.get().getRequest();
final String value = request.getParameter(parameterName);
onChange(target, value);
}
@SuppressWarnings("unchecked")
protected void onChange(final AjaxRequestTarget target,
final String selectedValue) {
final FormComponent<T> formComponent = (FormComponent<T>)
getComponent();
IConverter converter =
formComponent.getConverter(formComponent.getType());
if (converter != null) {
Locale locale = formComponent.getLocale();
Object convertedObject =
converter.convertToObject(selectedValue,
locale);
formComponent.setConvertedInput((T) convertedObject);
} else {
formComponent.setConvertedInput((T) selectedValue);
}
formComponent.updateModel();
}
}
And the usage is:
TextField<String> startDate = new TextField<String>("startDate", new
PropertyModel<String>(trigger, "startDate"));
add(startDate);
startDate.add(new
DojoOnChangeBehavior<String>("dijit.form.DateTextBox"));
or
DropDownChoice<ContentType> contentTypesSelect =
new DropDownChoice<ContentType>("contentTypes", new
PropertyModel<ContentType>(content, "selectedType"),
content.getTypes());
contentTypesSelect..add(new
DojoOnChangeBehavior<ContentType>("dijit.form.FilteringSelect"));
(here you need a registered converter for 'ContentType' class)
On Wed, 2010-02-17 at 10:17 -0600, Josh Chappelle wrote:
> I would also like to know the answer to this. The only reason our team
> hasn't moved to 1.4 is because we have dependencies on some dojo projects
> but none of the ones we use work in 1.4.
>
> Josh
>
> -----Original Message-----
> From: Mauro Ciancio [mailto:[email protected]]
> Sent: Wednesday, February 17, 2010 9:27 AM
> To: Wicket Mailing List
> Subject: TimePicker component?
>
> Hello everyone,
>
> I'm looking for a TimePicker component. I searched in the list
> and found the dojo time picker from wicket-stuff but isn't working
> with wicket 1.4.x. Throws an exception when the component is
> being rendered.
>
> Is there any other component? Is any dojo integration compatible
> with 1.4.x?
>
> Thanks in advance.
> Cheers!
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