internal DataItemEventDescriptor(
DataItemTypeDescriptor owner,
EventDescriptor parent,
Type componentType,
Type eventType,
Action<object, object> addHandler,
Action<object, object> removeHandler )
: base( owner, parent )
{
if( componentType == null )
throw new ArgumentNullException( "componentType" );
if( eventType == null )
throw new ArgumentNullException( "eventType" );
if( addHandler == null )
throw new ArgumentNullException( "addHandler" );
if( removeHandler == null )
throw new ArgumentNullException( "removeHandler" );
m_componentType = componentType;
m_eventType = eventType;
m_addHandler = addHandler;
m_removeHandler = removeHandler;
}
internal DataItemEventDescriptor(
DataItemTypeDescriptor owner,
EventDescriptor parent,
Type componentType,
Type eventType,
Action <object, object> addHandler,
Action <object, object> removeHandler)
: base(owner, parent)
{
if (componentType == null)
{
throw new ArgumentNullException("componentType");
}
if (eventType == null)
{
throw new ArgumentNullException("eventType");
}
if (addHandler == null)
{
throw new ArgumentNullException("addHandler");
}
if (removeHandler == null)
{
throw new ArgumentNullException("removeHandler");
}
m_componentType = componentType;
m_eventType = eventType;
m_addHandler = addHandler;
m_removeHandler = removeHandler;
}
protected DataItemEventDescriptorBase( DataItemTypeDescriptor owner, EventDescriptor parent )
: base( parent )
{
if( owner == null )
throw new ArgumentNullException( "owner" );
m_owner = owner;
}
internal DataItemEventDescriptorFactory(DataItemTypeDescriptor typeDescriptor)
{
if (typeDescriptor == null)
{
throw new ArgumentNullException("typeDescriptor");
}
m_typeDescriptor = typeDescriptor;
}
private Entry GetEntry()
{
if (m_entry == null)
{
m_entry = DataItemTypeDescriptor.GetEntry(m_targetType, m_descriptorType);
}
return(m_entry);
}
protected DataItemEventDescriptorBase(DataItemTypeDescriptor owner, EventDescriptor parent)
: base(parent)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
m_owner = owner;
}
internal ValueChangeDataItemPropertyDescriptor(
DataItemTypeDescriptor owner,
PropertyDescriptor parent,
Type componentType,
Type propertyType,
Func<object, object> getter,
Action<object, object> setter,
Action<object> resetter,
EventDescriptor eventDescriptor )
: base( owner, parent, componentType, propertyType, getter, setter, resetter )
{
if( eventDescriptor == null )
throw new ArgumentNullException( "eventDescriptor" );
m_eventDescriptor = eventDescriptor;
m_eventProxy = new EventProxy( this, eventDescriptor );
}
internal ValueChangeDataItemPropertyDescriptor(
DataItemTypeDescriptor owner,
PropertyDescriptor parent,
Type componentType,
Type propertyType,
Func <object, object> getter,
Action <object, object> setter,
Action <object> resetter,
EventDescriptor eventDescriptor)
: base(owner, parent, componentType, propertyType, getter, setter, resetter)
{
if (eventDescriptor == null)
{
throw new ArgumentNullException("eventDescriptor");
}
m_eventDescriptor = eventDescriptor;
m_eventProxy = new EventProxy(this, eventDescriptor);
}
internal DataItemPropertyDescriptor(
DataItemTypeDescriptor owner,
PropertyDescriptor parent,
Type componentType,
Type propertyType,
Func<object, object> getter,
Action<object, object> setter,
Action<object> resetter )
: base( owner, parent, getter, setter, resetter )
{
if( componentType == null )
throw new ArgumentNullException( "componentType" );
if( propertyType == null )
throw new ArgumentNullException( "propertyType" );
m_componentType = componentType;
m_propertyType = propertyType;
}
protected DataItemPropertyDescriptorBase(
DataItemTypeDescriptor owner,
PropertyDescriptor parent,
Func<object, object> getter,
Action<object, object> setter,
Action<object> resetter )
: base( parent )
{
if( owner == null )
throw new ArgumentNullException( "owner" );
if( getter == null )
throw new ArgumentNullException( "getter" );
m_owner = owner;
m_getter = getter;
m_setter = setter;
m_resetter = resetter;
}
internal DataItemPropertyDescriptor(
DataItemTypeDescriptor owner,
PropertyDescriptor parent,
Type componentType,
Type propertyType,
Func <object, object> getter,
Action <object, object> setter,
Action <object> resetter)
: base(owner, parent, getter, setter, resetter)
{
if (componentType == null)
{
throw new ArgumentNullException("componentType");
}
if (propertyType == null)
{
throw new ArgumentNullException("propertyType");
}
m_componentType = componentType;
m_propertyType = propertyType;
}
protected DataItemPropertyDescriptorBase(
DataItemTypeDescriptor owner,
PropertyDescriptor parent,
Func <object, object> getter,
Action <object, object> setter,
Action <object> resetter)
: base(parent)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
if (getter == null)
{
throw new ArgumentNullException("getter");
}
m_owner = owner;
m_getter = getter;
m_setter = setter;
m_resetter = resetter;
}
internal ValueChangeDataItemIndexerDescriptor(
DataItemTypeDescriptor owner,
IndexerDescriptor parent,
EventDescriptor eventDescriptor)
: base(owner, parent)
{
if (eventDescriptor == null)
{
throw new ArgumentNullException("eventDescriptor");
}
m_eventDescriptor = eventDescriptor;
m_eventProxy = new EventProxy(this, eventDescriptor);
var indexerName = parent.IndexerName;
var indexerParameters = parent.IndexerParameters;
m_propertyChangedNames = new string[]
{
Binding.IndexerName,
string.Format("{0}[]", indexerName),
string.Format("{0}[{1}]", indexerName, indexerParameters)
};
}
internal DataItemIndexerDescriptor(DataItemTypeDescriptor owner, IndexerDescriptor parent)
: base(owner, parent, parent.GetValue, (!parent.IsReadOnly) ? parent.SetValue : default(Action <object, object>), null)
{
m_descriptor = parent;
}
internal static IndexerChoice GetMatch(PropertyInfo propertyInfo, object[] parameterValues)
{
if ((propertyInfo == null) || (parameterValues == null))
{
return(null);
}
var parameters = propertyInfo.GetIndexParameters();
if ((parameters == null) || (parameters.Length != parameterValues.Length))
{
return(null);
}
var values = new object[parameters.Length];
var fitTypes = new FitType[parameters.Length];
for (int i = 0; i < parameters.Length; i++)
{
var parameterType = parameters[i].ParameterType;
var parameterValue = parameterValues[i];
var parameterValueType = (parameterValue != null) ? parameterValue.GetType() : typeof(object);
if (parameterValue == null)
{
if (!DataItemTypeDescriptor.IsNullableType(parameterType))
{
return(null);
}
fitTypes[i] = FitType.KeepAsType;
}
else if (!parameterType.IsAssignableFrom(parameterValueType))
{
var converter = TypeDescriptor.GetConverter(parameterType);
if ((converter == null) || !converter.CanConvertFrom(parameterValueType))
{
return(null);
}
try
{
parameterValue = converter.ConvertFrom(null, CultureInfo.InvariantCulture, parameterValue);
}
catch
{
return(null);
}
// An indexer that takes a parameter of any other type than string is considered a better candidate than
// an indexer that takes a parameter of type string.
fitTypes[i] = (typeof(string).IsAssignableFrom(parameterType)) ? FitType.ConvertToString : FitType.ConvertToType;
}
else
{
if (typeof(string) == parameterType)
{
fitTypes[i] = FitType.KeepAsString;
}
else if (typeof(object) == parameterType)
{
fitTypes[i] = FitType.KeepAsObject;
}
else
{
fitTypes[i] = FitType.KeepAsType;
}
}
values[i] = parameterValue;
}
return(new IndexerChoice(propertyInfo, values, fitTypes));
}
