private void CustomRule(IDataForm form, IEnumerable <DataField> fields, object item, int rowIndex, DataField field, List <ValidationResult> result,
FormRuleTriggers trigger)
{
var rules = field.Rules.Where(r => r.Trigger == trigger ||
(trigger == FormRuleTriggers.ChangeSubmit && (r.Trigger == FormRuleTriggers.Change || r.Trigger == FormRuleTriggers.Submit)) ||
(trigger == FormRuleTriggers.Submit && (r.Trigger == FormRuleTriggers.Change || r.Trigger == FormRuleTriggers.Submit || r.Trigger == FormRuleTriggers.ChangeSubmit)) ||
(trigger == FormRuleTriggers.Change && (r.Trigger == FormRuleTriggers.Change || r.Trigger == FormRuleTriggers.Submit || r.Trigger == FormRuleTriggers.ChangeSubmit))
);
foreach (var rule in rules)
{
FormRuleResult vr;
if (rule.Method != null)
{
vr = rule.Method(item);
}
else
{
Type argsType = typeof(RuleArgs <>).MakeGenericType(rule.EntityType);
var args = Activator.CreateInstance(argsType, item) as RuleArgs;
vr = rule.MethodArgs(args);
var ruleFields = args.EntityBuilder.GetFieldDictionary();
//ToDo: update fields appearance here
foreach (var f in fields)
{
var rf = ruleFields[f.BindingProperty];
f.Required = rf.Required;
f.Hidden = rf.Hidden;
f.ReadOnly = rf.ReadOnly;
f.Label = rf.Label;
}
}
if (vr != null && vr.IsFailed)
{
result.Add(new ValidationResult
{
Message = $"{vr.RuleName}: {vr.Message}",
BindingProperty = field.BindingProperty,
ValidationResultType = ValidationResultTypes.Error,
RowIndex = rowIndex
});
}
}
}
public IEnumerable <ValidationResult> ValidateCustomRules(IDataForm form, object item, int rowIndex, IEnumerable <DataField> fields, FormRuleTriggers trigger)
{
var result = new List <ValidationResult>();
foreach (var field in fields)
{
CustomRule(form, fields, item, rowIndex, field, result, trigger);
}
return(result);
}
