public ChangeVisuallyCondition(ChangeVisuallyAttribute.ChangeTo to, string whenOtherPropertyName, ChangeVisuallyAttribute.DisplayChangeIf ifOperator, object value, bool conditionPassesIfNull)
{
To = to;
WhenOtherPropertyName = whenOtherPropertyName;
If = ifOperator;
Value = value;
ConditionPassesIfNull = conditionPassesIfNull;
}
private static bool ConditionMetForChangeVisually <T>(PropertyInfo prop, T model, PropertyInfo[] modelProps)
{
var engine = new ScriptEngine();
var src = GetJavaScript();
engine.Evaluate(src);
List <string> toValues;
List <string> whenOtherPropertyNameValues;
List <string> ifValues;
List <string> valueValues;
List <string> conditionPassesIfNullValues;
List <string> valueTypeToCompareValues;
List <string> valueFormatValues;
ChangeVisuallyAttribute.GetValuesForClient(prop, out toValues, out whenOtherPropertyNameValues, out ifValues, out valueValues, out conditionPassesIfNullValues, out valueTypeToCompareValues, out valueFormatValues);
//check if we have any conditions.. if we do loop through them and return true as soon as one is found to pass
if (toValues.Any())
{
for (var i = 0; i < toValues.Count; i++)
{
//get the "other property" value
string otherPropValue = null;
var otherProp =
modelProps.FirstOrDefault(_ => string.Equals(_.Name, whenOtherPropertyNameValues[i]));
if (otherProp != null)
{
var val = otherProp.GetValue(model, null);
if (val != null)
{
otherPropValue = Json.Encode(val);
}
}
var ifOperator = ifValues[i];
var expectedValue = valueValues[i];
var actualValue = otherPropValue;
var conditionPassesIfNull = conditionPassesIfNullValues[i];
var valueTypeToCompare = valueTypeToCompareValues[i];
var valueFormat = valueFormatValues[i];
//Call the JavaScript function to evaluate
var res = engine.CallGlobalFunction <bool>("ConditionMetForChangeVisually", ifOperator, expectedValue,
actualValue, conditionPassesIfNull, valueTypeToCompare,
valueFormat);
if (res)
{
//we found one where the condition was met
return(true);
}
}
}
return(false);
}
