public class MyDSLTemplateProposal extends XtextTemplateProposal {
...
	@Override
	public IInformationControlCreator getInformationControlCreator() {	
		return new IInformationControlCreator() {
			
			@Override
			public IInformationControl createInformationControl(Shell parent) {
				IInformationControl iic =new BrowserInformationControl(parent, null, "woohoo");
				//IInformationControl iic = new DefaultInformationControl(parent);
				return iic;
			}
		};
	}
...
}