public interface CriteriaEditing
Criteria or AdvancedCriteria for filtering  data from a DataSource.  The main
 APIs for this are DynamicForm.getValuesAsCriteria() and DynamicForm.setValuesAsCriteria(). 
 getValuesAsCriteria() will return an
 AdvancedCriteria object in the following cases: 
setValuesAsCriteria()DynamicForm.operator of
 "or"FormItem.hasAdvancedCriteria() returns true for some item(s) within the form  
 Note that at the form item level, individual items can support editing of advanced criteria by
 registering FormItemCanEditCriterionPredicate,
 FormItemCriterionSetter, and FormItemCriterionGetter objects to
 implement the methods canEditCriterion(), setCriterion(), and
 getCriterion(), respectively.  
 There is also built-in support for expression-parsing  in
 DynamicForms.  This allows expressions, like '>5' (greater than 5) or 'a...c'  (between a
 and c) to be edited and generated automatically by appropriate formItems. 
 Some FormItems
 have special behavior - for instance, a SelectItem with  multiple:true will successfully
 edit and return criteria with an inSet operator. 
 The common pattern of using
 nested dynamicForms to edit arbitrary advanced criteria has been implemented via overrides to
 these methods in the CanvasItem class. See  
 CanvasItem.setCriterionGetter() for details. 
 For completely user-driven
 advanced criteria editing see also the FilterBuilder
 class.
DynamicForm.getValuesAsCriteria(), 
DynamicForm.setValuesAsCriteria(com.smartgwt.client.data.Criterion), 
DynamicForm.getValuesAsAdvancedCriteria(), 
FormItem.hasAdvancedCriteria(), 
FormItem.canEditCriterion(com.smartgwt.client.data.Criterion), 
FormItem.getCriterion(), 
FormItem.setCriterion(com.smartgwt.client.data.Criterion), 
CanvasItem.hasAdvancedCriteria(), 
FormItem.canEditCriterion(com.smartgwt.client.data.Criterion), 
FormItem.getCriterion(), 
FormItem.setCriterion(com.smartgwt.client.data.Criterion), 
ComboBoxItem.hasAdvancedCriteria(), 
FormItem.getCriterion(), 
FormItem.canEditCriterion(com.smartgwt.client.data.Criterion), 
FormItem.setCriterion(com.smartgwt.client.data.Criterion), 
ValuesManager.getValuesAsCriteria(), 
ValuesManager.getValuesAsAdvancedCriteria(), 
DateRangeItem.hasAdvancedCriteria(), 
FormItem.getCriterion(), 
FormItem.canEditCriterion(com.smartgwt.client.data.Criterion), 
FormItem.setCriterion(com.smartgwt.client.data.Criterion), 
MiniDateRangeItem.hasAdvancedCriteria(), 
FormItem.getCriterion(), 
FormItem.setCriterion(com.smartgwt.client.data.Criterion), 
FormItem.canEditCriterion(com.smartgwt.client.data.Criterion), 
FormItem.getOperator(), 
FormItem.getUseAdvancedCriteria(), 
ListGrid.getUseAdvancedCriteria()