// source ////////////////////////////////////////////////////////
public virtual object getSource(VariableScope variableScope)
{
if (sourceValueProvider is ConstantValueProvider)
{
string variableName = (string)sourceValueProvider.getValue(variableScope);
return(variableScope.getVariableTyped(variableName));
}
else
{
return(sourceValueProvider.getValue(variableScope));
}
}
public virtual TypedValue resolve(string variableName)
{
return(variableScope.getVariableTyped(variableName));
}
public virtual FormField createFormField(ExecutionEntity executionEntity)
{
FormFieldImpl formField = new FormFieldImpl();
// set id
formField.Id = id;
// set label (evaluate expression)
VariableScope variableScope = executionEntity != null ? executionEntity : StartProcessVariableScope.SharedInstance;
if (label != null)
{
object labelValueObject = label.getValue(variableScope);
if (labelValueObject != null)
{
formField.Label = labelValueObject.ToString();
}
}
formField.BusinessKey = businessKey;
// set type
formField.Type = type;
// set default value (evaluate expression)
object defaultValue = null;
if (defaultValueExpression != null)
{
defaultValue = defaultValueExpression.getValue(variableScope);
if (defaultValue != null)
{
formField.DefaultValue = type.convertFormValueToModelValue(defaultValue);
}
else
{
formField.DefaultValue = null;
}
}
// value
TypedValue value = variableScope.getVariableTyped(id);
if (value != null)
{
formField.Value = type.convertToFormValue(value);
}
else
{
// first, need to convert to model value since the default value may be a String Constant specified in the model xml.
TypedValue typedDefaultValue = type.convertToModelValue(Variables.untypedValue(defaultValue));
// now convert to form value
formField.Value = type.convertToFormValue(typedDefaultValue);
}
// properties
formField.Properties = properties;
// validation
IList <FormFieldValidationConstraint> validationConstraints = formField.ValidationConstraints;
foreach (FormFieldValidationConstraintHandler validationHandler in validationHandlers)
{
// do not add custom validators
if (!"validator".Equals(validationHandler.name))
{
validationConstraints.Add(validationHandler.createValidationConstraint(executionEntity));
}
}
return(formField);
}
