How to fill out Dynamic Dropdown in Hippo CMS with dynamic values? - dynamic

Question

I have document type which contains "Dynamic Dropdown" field, and I want to fill it with some dynamic data. I couldn't figure out how to do it (couldn't find any adequate information, documentation, example about this). From links that I found I was able to do following things:
1) I've created service called SitemapValueListProvider in /hippo:configuration/hippo:frontend/cms/cms-services, with following properties:
plugin.class = com.test.cms.components.SitemapService
valuelist.provider = service.valuelist.custom
2) In CMS project created class com.test.cms.components.SitemapService
public class SitemapService extends Plugin implements IValueListProvider {
private final static String CONFIG_SOURCE = "source";
public SitemapService(IPluginContext context, IPluginConfig config) {
super(context, config);
String name = config.getString(IValueListProvider.SERVICE, "service.valuelist.custom");
context.registerService(this, name);
}
#Override
public ValueList getValueList(String name, Locale locale) {
ValueList valuelist = new ValueList();
if ((name == null) || (name.equals(""))) {
System.out.println("No node name (uuid or path) configured, returning empty value list");
} else {
valuelist.add(new ListItem("custom4", "Custom Value 4"));
valuelist.add(new ListItem("custom5", "Custom Value 5"));
valuelist.add(new ListItem("custom6", "Custom Value 6"));
}
return valuelist;
}
#Override
public List<String> getValueListNames() {
List<String> list = new ArrayList<>(1);
list.add("values");
return list;
}
#Override
public ValueList getValueList(IPluginConfig config) {
if (config == null) {
throw new IllegalArgumentException("Argument 'config' may not be null");
}
return getValueList(config.getString(CONFIG_SOURCE));
}
#Override
public ValueList getValueList(String name) {
return getValueList(name, null/*locale*/);
}
}
3) In CMS project created class com.test.cms.components.TestPlugin
public class TestPlugin extends Plugin{
public TestPlugin(IPluginContext context, IPluginConfig config) {
super(context, config);
context.registerService(this, "service.valuelist.custom");
}
}
4) For field /hippo:namespaces/cms/TestItem/editor:templates/_default_/dynamicdropdown of document type provided following properties: (using console)
plugin.class = com.test.cms.components.TestPlugin
But still unable to obtain data dynamically. Nothing happens at all.
I'm using HippoCMS 10 Community Edition

Answer 1

you are totally on the right track and I can't spot any obvious reason why this is not working. Can you double check a few things?
look for an error in the logs, possibly at the early start of the CMS. Maybe there is an error during the bootstrap process.
activate the development mode in the CMS: this adds extra logging in the CMS.
http://www.onehippo.org/library/development/debug-wicket-ajax-in-the-cms.html
you can also try to break the configuration by putting the wrong class name: if you don't have a ClassNotFound then you know your configuration is wrong and/or not picked-up.
HTH.