public void SetValue(ScriptTriggerAction nameResolver, object value)
{
BindingFlags flags = BindingFlags.FlattenHierarchy |
BindingFlags.Public |
BindingFlags.Instance;
object obj = nameResolver.ResolveName(_parts[0]);
for (int i = 1; i < _parts.Length; i++)
{
PropertyInfo pi = obj.GetType().GetProperty(_parts[i], flags);
if (pi != null)
{
if (i == _parts.Length - 1)
{
if ((value == null) || (pi.PropertyType.IsAssignableFrom(value.GetType()) == false))
{
value = Convert.ChangeType(value, pi.PropertyType, CultureInfo.CurrentCulture);
}
pi.SetValue(obj, value, null);
}
else
{
obj = pi.GetValue(obj, null);
}
}
else
{
throw new InvalidOperationException("Unknown property '" + _parts[i] + "'");
}
}
}
public object GetValue(ScriptTriggerAction nameResolver)
{
object value = nameResolver.ResolveName(_parts[0]);
if (_parts.Length != 1)
{
BindingFlags flags = BindingFlags.FlattenHierarchy |
BindingFlags.Public |
BindingFlags.Instance;
for (int i = 1; i < _parts.Length; i++)
{
PropertyInfo pi = value.GetType().GetProperty(_parts[i], flags);
if (pi != null)
{
value = pi.GetValue(value, null);
}
else
{
throw new InvalidOperationException("Unknown property '" + _parts[i] + "'");
}
}
}
return(value);
}
public void Execute(ScriptTriggerAction nameResolver)
{
object value = _rhs.GetValue(nameResolver);
if (_lhs != null)
{
((PropertyAccessExpression)_lhs).SetValue(nameResolver, value);
}
}
/// <internalonly />
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
string s = value as string;
if (String.IsNullOrEmpty(s) == false)
{
ScriptTriggerAction scriptAction = ScriptTriggerAction.Parse(s);
if (scriptAction == null)
{
throw new InvalidOperationException("Unable to parse the script expression '" + s + "' as a valid script action.");
}
return(scriptAction);
}
return(null);
}
public object GetValue(ScriptTriggerAction nameResolver)
{
object value = null;
BindingFlags flags = BindingFlags.FlattenHierarchy |
BindingFlags.Public |
BindingFlags.Instance;
object obj = nameResolver.ResolveName(_parts[0]);
for (int i = 1; i < _parts.Length; i++)
{
if (i == _parts.Length - 1)
{
MethodInfo mi = obj.GetType().GetMethod(_parts[i], flags);
if (mi == null)
{
throw new InvalidOperationException("Unknown method '" + _parts[i] + "'");
}
object[] paramValues = null;
if (_parameters != null)
{
ParameterInfo[] paramInfos = mi.GetParameters();
if (_parameters.Count != paramInfos.Length)
{
throw new InvalidOperationException("Parameter count mismatch for method '" + _parts[i] + "'");
}
paramValues = new object[_parameters.Count];
for (int j = 0; j < paramValues.Length; j++)
{
object paramValue = _parameters[j].GetValue(nameResolver);
if ((paramValue == null) || (paramInfos[j].ParameterType.IsAssignableFrom(paramValue.GetType()) == false))
{
paramValue = Convert.ChangeType(paramValue, paramInfos[j].ParameterType, CultureInfo.CurrentCulture);
}
paramValues[j] = paramValue;
}
}
value = mi.Invoke(obj, paramValues);
}
else
{
PropertyInfo pi = obj.GetType().GetProperty(_parts[i], flags);
if (pi != null)
{
obj = pi.GetValue(obj, null);
}
else
{
throw new InvalidOperationException("Unknown property '" + _parts[i] + "'");
}
}
}
return(value);
}
public object GetValue(ScriptTriggerAction nameResolver)
{
return(_value);
}