/// <summary>
/// Initializes a new instance of <see cref="CollectionElementViewModel"/>.
/// </summary>
/// <param name="containingCollection">The collection containing this element.</param>
/// <param name="thisElement">The <see cref="ConfigurationElement"/> modeled by the <see cref="CollectionElementViewModel"/>.</param>
/// <param name="additionalAttributes">Additional <see cref="Attribute"/> items to apply when describing this <paramref name="thisElement"/>.</param>
public CollectionElementViewModel(ElementCollectionViewModel containingCollection, ConfigurationElement thisElement, IEnumerable<Attribute> additionalAttributes)
:base(containingCollection, thisElement, additionalAttributes)
{
this.containingCollection = containingCollection;
configurationCollectionAttribute = containingCollection.Attributes.OfType<ConfigurationCollectionAttribute>().First();
var overrides = new Dictionary<Type, object>()
{
{typeof (ElementCollectionViewModel), containingCollection},
{typeof (CollectionElementViewModel), this}
};
MoveUp = ContainingSection.CreateCommand<MoveUpCommand>(overrides);
MoveDown = ContainingSection.CreateCommand<MoveDownCommand>(overrides);
}
internal ConfigurationProperty(PropertyInfo info)
{
Debug.Assert(info != null, "info != null");
ConfigurationPropertyAttribute propertyAttribute = null;
DescriptionAttribute descriptionAttribute = null;
// For compatibility we read the component model default value attribute. It is only
// used if ConfigurationPropertyAttribute doesn't provide the default value.
DefaultValueAttribute defaultValueAttribute = null;
TypeConverter typeConverter = null;
ConfigurationValidatorBase validator = null;
// Look for relevant attributes
foreach (Attribute attribute in Attribute.GetCustomAttributes(info))
{
if (attribute is TypeConverterAttribute)
{
typeConverter = TypeUtil.CreateInstance <TypeConverter>(((TypeConverterAttribute)attribute).ConverterTypeName);
}
else if (attribute is ConfigurationPropertyAttribute)
{
propertyAttribute = (ConfigurationPropertyAttribute)attribute;
}
else if (attribute is ConfigurationValidatorAttribute)
{
if (validator != null)
{
// We only allow one validator to be specified on a property.
//
// Consider: introduce a new validator type ( CompositeValidator ) that is a
// list of validators and executes them all
throw new ConfigurationErrorsException(
SR.Format(SR.Validator_multiple_validator_attributes, info.Name));
}
ConfigurationValidatorAttribute validatorAttribute = (ConfigurationValidatorAttribute)attribute;
validatorAttribute.SetDeclaringType(info.DeclaringType);
validator = validatorAttribute.ValidatorInstance;
}
else if (attribute is DescriptionAttribute)
{
descriptionAttribute = (DescriptionAttribute)attribute;
}
else if (attribute is DefaultValueAttribute)
{
defaultValueAttribute = (DefaultValueAttribute)attribute;
}
}
Type propertyType = info.PropertyType;
// If the property is a Collection we need to look for the ConfigurationCollectionAttribute for
// additional customization.
if (typeof(ConfigurationElementCollection).IsAssignableFrom(propertyType))
{
// Look for the ConfigurationCollection attribute on the property itself, fall back
// on the property type.
ConfigurationCollectionAttribute collectionAttribute =
Attribute.GetCustomAttribute(info,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute ??
Attribute.GetCustomAttribute(propertyType,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
if (collectionAttribute != null)
{
if (collectionAttribute.AddItemName.IndexOf(',') == -1)
{
AddElementName = collectionAttribute.AddItemName; // string.Contains(char) is .NetCore2.1+ specific
}
RemoveElementName = collectionAttribute.RemoveItemName;
ClearElementName = collectionAttribute.ClearItemsName;
}
}
// This constructor shouldn't be invoked if the reflection info is not for an actual config property
Debug.Assert(propertyAttribute != null, "attribProperty != null");
ConstructorInit(propertyAttribute.Name,
info.PropertyType,
propertyAttribute.Options,
validator,
typeConverter,
descriptionAttribute?.Description);
// Figure out the default value
InitDefaultValueFromTypeInfo(propertyAttribute, defaultValueAttribute);
}
internal ConfigurationProperty(PropertyInfo info)
{
TypeConverterAttribute attribute = null;
ConfigurationPropertyAttribute attribProperty = null;
ConfigurationValidatorAttribute attribute3 = null;
DescriptionAttribute attribute4 = null;
DefaultValueAttribute attribStdDefault = null;
TypeConverter converter = null;
ConfigurationValidatorBase validator = null;
foreach (Attribute attribute6 in Attribute.GetCustomAttributes(info))
{
if (attribute6 is TypeConverterAttribute)
{
attribute = (TypeConverterAttribute)attribute6;
converter = (TypeConverter)System.Configuration.TypeUtil.CreateInstanceWithReflectionPermission(attribute.ConverterTypeName);
}
else if (attribute6 is ConfigurationPropertyAttribute)
{
attribProperty = (ConfigurationPropertyAttribute)attribute6;
}
else if (attribute6 is ConfigurationValidatorAttribute)
{
if (validator != null)
{
throw new ConfigurationErrorsException(System.Configuration.SR.GetString("Validator_multiple_validator_attributes", new object[] { info.Name }));
}
attribute3 = (ConfigurationValidatorAttribute)attribute6;
validator = attribute3.ValidatorInstance;
}
else if (attribute6 is DescriptionAttribute)
{
attribute4 = (DescriptionAttribute)attribute6;
}
else if (attribute6 is DefaultValueAttribute)
{
attribStdDefault = (DefaultValueAttribute)attribute6;
}
}
System.Type propertyType = info.PropertyType;
if (typeof(ConfigurationElementCollection).IsAssignableFrom(propertyType))
{
ConfigurationCollectionAttribute customAttribute = Attribute.GetCustomAttribute(info, typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
if (customAttribute == null)
{
customAttribute = Attribute.GetCustomAttribute(propertyType, typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
}
if (customAttribute != null)
{
if (customAttribute.AddItemName.IndexOf(',') == -1)
{
this._addElementName = customAttribute.AddItemName;
}
this._removeElementName = customAttribute.RemoveItemName;
this._clearElementName = customAttribute.ClearItemsName;
}
}
this.ConstructorInit(attribProperty.Name, info.PropertyType, attribProperty.Options, validator, converter);
this.InitDefaultValueFromTypeInfo(attribProperty, attribStdDefault);
if ((attribute4 != null) && !string.IsNullOrEmpty(attribute4.Description))
{
this._description = attribute4.Description;
}
}
/// <summary>
/// Adds the child elements of the collection
/// </summary>
protected void AddCollectionChildren(XmlSchemaGroupBase parentParticle, ConfigurationCollectionAttribute configCollAttribute, int level)
{
Debug.IndentLevel = level;
XmlSchemaComplexType ct;
if (Generator.ComplexMap.ContainsKey(configCollAttribute.ItemType))
{
//already done the work
ct = Generator.ComplexMap[configCollAttribute.ItemType];
}
else
{
// got to generate a new one for the collection
ct = new XmlSchemaComplexType { Name = configCollAttribute.ItemType.Name + "CT" };
ct.CreateSchemaSequenceParticle();
Generator.ComplexMap.Add(configCollAttribute.ItemType, ct);
Generator.Schema.Items.Add(ct);
}
// add method
var addElement = new XmlSchemaElement
{
Name = configCollAttribute.AddItemName,
MinOccurs = 0,
SchemaTypeName = new XmlQualifiedName(XmlHelper.PrependNamespaceAlias(ct.Name))
};
// ok we now have the child element as a complextype object
// but we need to add three elements to the parent complex type
// which support the add / remove / clear methods of the collection
// if we must add a clear method then it has to come first
// the basic map types do not include the clear and remove methods
if (configCollAttribute.CollectionType == ConfigurationElementCollectionType.AddRemoveClearMap ||
configCollAttribute.CollectionType == ConfigurationElementCollectionType.AddRemoveClearMapAlternate)
{
// clear method (which is a simple element)
var element = new XmlSchemaElement
{
Name = configCollAttribute.ClearItemsName,
MinOccurs = 0,
MaxOccurs = 1,
//SchemaType = new XmlSchemaComplexType()
};
parentParticle.Items.Add(element);
// remove method
element = new XmlSchemaElement
{
MinOccurs = 0,
Name = configCollAttribute.RemoveItemName
};
var removeCt = new XmlSchemaComplexType();
element.SchemaType = removeCt;
// get the type contained in the collection and work out
// what the key property is
var childElementType = configCollAttribute.ItemType;
var found = false;
foreach (var pi in childElementType.GetProperties())
{
if (found)
break;
Debug.WriteLine("Child property: " + pi.Name);
var cpAtts = GetAttributes<ConfigurationPropertyAttribute>(pi);
// this should return a standardtypeparser object, if it doesnt
// then it means that the key of the element was an element
// itself and I don't think that is possible!
if (cpAtts.Any(att => att.IsKey))
{
var parser = TypeParserFactory.GetParser(Generator, pi);
parser.GenerateSchemaTypeObjects(pi, removeCt, level + 1);
found = true;
}
}
parentParticle.Items.Add(element);
SetMaxOccurs(element, parentParticle);
}
SetMaxOccurs(addElement, parentParticle);
parentParticle.Items.Add(addElement);
// get all properties from the configuration object
var propertyInfos = GetProperties<ConfigurationPropertyAttribute>(configCollAttribute.ItemType);
foreach (var pi in propertyInfos)
{
var parser = TypeParserFactory.GetParser(Generator, pi);
Debug.WriteLine("\tConfigurationProperty: {0} {1}", pi.Name, parser.GetType());
parser.GenerateSchemaTypeObjects(pi, ct, level + 1);
}
}
public ElementMap (Type t)
{
properties = new ConfigurationPropertyCollection ();
collectionAttribute = Attribute.GetCustomAttribute (t, typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
PropertyInfo[] props = t.GetProperties (BindingFlags.Public|BindingFlags.NonPublic|BindingFlags.Static|BindingFlags.Instance);
foreach (PropertyInfo prop in props)
{
ConfigurationPropertyAttribute at = Attribute.GetCustomAttribute (prop, typeof(ConfigurationPropertyAttribute)) as ConfigurationPropertyAttribute;
if (at == null) continue;
string name = at.Name != null ? at.Name : prop.Name;
ConfigurationValidatorAttribute validatorAttr = Attribute.GetCustomAttribute (prop, typeof (ConfigurationValidatorAttribute)) as ConfigurationValidatorAttribute;
ConfigurationValidatorBase validator = validatorAttr != null ? validatorAttr.ValidatorInstance : null;
TypeConverterAttribute convertAttr = (TypeConverterAttribute) Attribute.GetCustomAttribute (prop, typeof (TypeConverterAttribute));
TypeConverter converter = convertAttr != null ? (TypeConverter) Activator.CreateInstance (Type.GetType (convertAttr.ConverterTypeName), true) : null;
ConfigurationProperty cp = new ConfigurationProperty (name, prop.PropertyType, at.DefaultValue, converter, validator, at.Options);
cp.CollectionAttribute = Attribute.GetCustomAttribute (prop, typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
properties.Add (cp);
}
}
internal ConfigurationProperty(PropertyInfo info)
{
Debug.Assert(info != null, "info != null");
// Bellow are the attributes we handle
ConfigurationPropertyAttribute attribProperty = null;
// Compatability attributes
// If the approprite data is provided in the ConfigPropAttribute then the one bellow will be ignored
DescriptionAttribute attribStdDescription = null;
DefaultValueAttribute attribStdDefault = null;
TypeConverter typeConverter = null;
ConfigurationValidatorBase validator = null;
// Find the interesting attributes in the collection
foreach (Attribute attribute in Attribute.GetCustomAttributes(info))
{
if (attribute is TypeConverterAttribute)
{
TypeConverterAttribute attribConverter = (TypeConverterAttribute)attribute;
typeConverter = TypeUtil.CreateInstance <TypeConverter>(attribConverter.ConverterTypeName);
}
else
{
if (attribute is ConfigurationPropertyAttribute)
{
attribProperty = (ConfigurationPropertyAttribute)attribute;
}
else
{
if (attribute is ConfigurationValidatorAttribute)
{
// There could be more then one validator attribute specified on a property
// Currently we consider this an error since it's too late to fix it for whidbey
// but the right thing to do is to introduce new validator type ( CompositeValidator ) that is a list of validators and executes
// them all
if (validator != null)
{
throw new ConfigurationErrorsException(
string.Format(SR.Validator_multiple_validator_attributes, info.Name));
}
ConfigurationValidatorAttribute attribValidator = (ConfigurationValidatorAttribute)attribute;
attribValidator.SetDeclaringType(info.DeclaringType);
validator = attribValidator.ValidatorInstance;
}
else
{
if (attribute is DescriptionAttribute)
{
attribStdDescription = (DescriptionAttribute)attribute;
}
else
{
if (attribute is DefaultValueAttribute)
{
attribStdDefault = (DefaultValueAttribute)attribute;
}
}
}
}
}
}
Type propertyType = info.PropertyType;
// Collections need some customization when the collection attribute is present
if (typeof(ConfigurationElementCollection).IsAssignableFrom(propertyType))
{
ConfigurationCollectionAttribute attribCollection =
Attribute.GetCustomAttribute(info,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute ??
Attribute.GetCustomAttribute(propertyType,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
// If none on the property - see if there is an attribute on the collection type itself
if (attribCollection != null)
{
if (attribCollection.AddItemName.IndexOf(',') == -1)
{
AddElementName = attribCollection.AddItemName;
}
RemoveElementName = attribCollection.RemoveItemName;
ClearElementName = attribCollection.ClearItemsName;
}
}
// This constructor shouldnt be invoked if the reflection info is not for an actual config property
Debug.Assert(attribProperty != null, "attribProperty != null");
ConstructorInit(attribProperty.Name,
info.PropertyType,
attribProperty.Options,
validator,
typeConverter);
// Figure out the default value
InitDefaultValueFromTypeInfo(attribProperty, attribStdDefault);
// Get the description
if (!string.IsNullOrEmpty(attribStdDescription?.Description))
{
Description = attribStdDescription.Description;
}
}
internal ConfigurationProperty(PropertyInfo info)
{
Debug.Assert(info != null, "info != null");
// Bellow are the attributes we handle
TypeConverterAttribute attribConverter = null;
ConfigurationPropertyAttribute attribProperty = null;
ConfigurationValidatorAttribute attribValidator = null;
// Compatability attributes
// If the approprite data is provided in the ConfigPropAttribute then the one bellow will be ignored
DescriptionAttribute attribStdDescription = null;
DefaultValueAttribute attribStdDefault = null;
TypeConverter typeConverter = null;
ConfigurationValidatorBase validator = null;
// Find the interesting attributes in the collection
foreach (Attribute attribute in Attribute.GetCustomAttributes(info))
{
if (attribute is TypeConverterAttribute)
{
attribConverter = (TypeConverterAttribute)attribute;
typeConverter = (TypeConverter)TypeUtil.CreateInstanceWithReflectionPermission(attribConverter.ConverterTypeName);
}
else if (attribute is ConfigurationPropertyAttribute)
{
attribProperty = (ConfigurationPropertyAttribute)attribute;
}
else if (attribute is ConfigurationValidatorAttribute)
{
if (validator != null)
{
throw new ConfigurationErrorsException(SR.GetString(SR.Validator_multiple_validator_attributes, info.Name));
}
attribValidator = (ConfigurationValidatorAttribute)attribute;
validator = attribValidator.ValidatorInstance;
}
else if (attribute is DescriptionAttribute)
{
attribStdDescription = (DescriptionAttribute)attribute;
}
else if (attribute is DefaultValueAttribute)
{
attribStdDefault = (DefaultValueAttribute)attribute;
}
}
Type propertyType = info.PropertyType;
// Collections need some customization when the collection attribute is present
if (typeof(ConfigurationElementCollection).IsAssignableFrom(propertyType))
{
ConfigurationCollectionAttribute attribCollection =
Attribute.GetCustomAttribute(info,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
// If none on the property - see if there is an attribute on the collection type itself
if (attribCollection == null)
{
attribCollection =
Attribute.GetCustomAttribute(propertyType,
typeof(ConfigurationCollectionAttribute)) as ConfigurationCollectionAttribute;
}
if (attribCollection != null)
{
if (attribCollection.AddItemName.IndexOf(',') == -1)
{
_addElementName = attribCollection.AddItemName;
}
_removeElementName = attribCollection.RemoveItemName;
_clearElementName = attribCollection.ClearItemsName;
}
}
// This constructor shouldnt be invoked if the reflection info is not for an actual config property
Debug.Assert(attribProperty != null, "attribProperty != null");
ConstructorInit(attribProperty.Name,
info.PropertyType,
attribProperty.Options,
validator,
typeConverter);
// Figure out the default value
InitDefaultValueFromTypeInfo(attribProperty, attribStdDefault);
// Get the description
if ((attribStdDescription != null) && !string.IsNullOrEmpty(attribStdDescription.Description))
{
_description = attribStdDescription.Description;
}
}
