/// <summary>
/// Returns the property descriptors for the described ModelClass domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
//Add the descriptor for the tracking property.
if (ModelElement is Association association)
{
storeDomainDataDirectory = association.Store.DomainDataDirectory;
// only display roles for 1..1 and 0-1..0-1 associations
if (((association.SourceMultiplicity != Multiplicity.One || association.TargetMultiplicity != Multiplicity.One) &&
(association.SourceMultiplicity != Multiplicity.ZeroOne || association.TargetMultiplicity != Multiplicity.ZeroOne)))
{
PropertyDescriptor sourceRoleTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "SourceRole");
propertyDescriptors.Remove(sourceRoleTypeDescriptor);
PropertyDescriptor targetRoleTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "TargetRole");
propertyDescriptors.Remove(targetRoleTypeDescriptor);
}
// only display delete behavior on the principal end
if (association.SourceRole != EndpointRole.Principal)
{
PropertyDescriptor sourceDeleteActionTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "SourceDeleteAction");
propertyDescriptors.Remove(sourceDeleteActionTypeDescriptor);
}
if (association.TargetRole != EndpointRole.Principal)
{
PropertyDescriptor targetDeleteActionTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "TargetDeleteAction");
propertyDescriptors.Remove(targetDeleteActionTypeDescriptor);
}
/********************************************************************************/
DomainPropertyInfo collectionClassPropertyInfo = storeDomainDataDirectory.GetDomainProperty(Association.CollectionClassDomainPropertyId);
DomainPropertyInfo isCollectionClassTrackingPropertyInfo = storeDomainDataDirectory.GetDomainProperty(Association.IsCollectionClassTrackingDomainPropertyId);
// Define attributes for the tracking property/properties so that the Properties window displays them correctly.
Attribute[] collectionClassAttributes =
{
new DisplayNameAttribute("Collection Class"),
new DescriptionAttribute("Type of collections generated. Overrides the default collection class for the model"),
new CategoryAttribute("Code Generation")
};
propertyDescriptors.Add(new TrackingPropertyDescriptor(association, collectionClassPropertyInfo, isCollectionClassTrackingPropertyInfo, collectionClassAttributes));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
{
var Props = DynamicProperties_.OfType <PropertyDescriptor>();
var Filtered = Props.Where(x => x.Attributes.Contains(attributes)).ToArray();
return(new PropertyDescriptorCollection(Filtered));
}
private void CheckDataPointName(string dataPointName)
{
if (!properties.OfType <DPPropertyDescriptor>().Select(p => p.Name).Contains(dataPointName))
{
throw new InvalidOperationException(string.Format("ChartDataPoint is not initialized correctly! Unknown data point name: {0}", dataPointName));
}
}
public override PropertyDescriptorCollection GetProperties()
{
PropertyDescriptorCollection props =
parentTypeDescriptionProvider.GetTypeDescriptor(instance).GetProperties();
var assoc = instance as Association;
var propsToBeRemoved = new List <string>();
if (!(assoc.End1Multiplicity == Multiplicity.ZeroMany && assoc.End2Multiplicity == Multiplicity.ZeroMany))
{
propsToBeRemoved.AddRange(new[] { "ManyToManyMappingTable", "End1ManyToManyMappingColumn",
"End1ManyToManyNavigationProperty", "End1ManyToManyFieldName", "End2ManyToManyMappingColumn",
"End2ManyToManyNavigationProperty", "End2ManyToManyFieldName" });
}
foreach (PropertyDescriptor p in props.OfType <PropertyDescriptor>())
{
if (propsToBeRemoved.Contains(p.Name))
{
props.Remove(p);
}
}
return(props);
}
public override PropertyDescriptorCollection GetProperties()
{
PropertyDescriptorCollection props =
parentTypeDescriptionProvider.GetTypeDescriptor(instance).GetProperties();
try
{
var navProp = instance as NavigationProperty;
var assoc = navProp.Store.ElementDirectory.FindElements <Association>().First(a => a.Name == navProp.Association);
var primaryMultiplicities = new[] { Multiplicity.One, Multiplicity.ZeroOne };
var propsToBeRemoved = new List <string>();
if (!(primaryMultiplicities.Any(m => m == assoc.End1Multiplicity) && primaryMultiplicities.Any(m => m == assoc.End2Multiplicity)))
{
propsToBeRemoved.AddRange(new[] { "IsForeignkey", "ForeignkeyColumn" });
}
else if (!navProp.IsForeignkey)
{
propsToBeRemoved.Add("ForeignkeyColumn");
}
foreach (PropertyDescriptor p in props.OfType <PropertyDescriptor>())
{
if (propsToBeRemoved.Contains(p.Name))
{
props.Remove(p);
}
}
}
catch { }
return(props);
}
public static DataTable ConvertToDataTable <T>(this IEnumerable <T> data, IDictionary <string, string> columnMappings = null)
{
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(typeof(T));
columnMappings = columnMappings ?? properties.OfType <PropertyDescriptor>().ToDictionary(k => k.Name, v => v.Name);
DataTable table = new DataTable();
foreach (PropertyDescriptor prop in properties)
{
if (columnMappings.ContainsKey(prop.Name))
{
table.Columns.Add(columnMappings[prop.Name], Nullable.GetUnderlyingType(prop.PropertyType) ?? prop.PropertyType);
}
}
foreach (T item in data)
{
DataRow row = table.NewRow();
foreach (PropertyDescriptor prop in properties)
{
if (columnMappings.ContainsKey(prop.Name))
{
string columnName = columnMappings[prop.Name];
row[columnName] = prop.GetValue(item) ?? DBNull.Value;
}
}
table.Rows.Add(row);
}
return(table);
}
private static IEnumerable <PropertyValueVM> FromComponent(PropertyDescriptorCollection collection, object component)
{
if (collection == null)
{
throw new ArgumentNullException("collection");
}
return(FromComponent(collection.OfType <PropertyDescriptor>(), component));
}
public static void Remove(this PropertyDescriptorCollection propertyDescriptors, string name)
{
PropertyDescriptor propertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == name);
if (propertyDescriptor != null)
{
propertyDescriptors.Remove(propertyDescriptor);
}
}
/// <summary>
/// Creates a collection of property descriptors that contain both this object's property
/// descriptors as well as exchanged property descriptors for the contained data object.
/// </summary>
/// <param name="nativePds">The collection of property descriptors that belong to this
/// object.</param>
/// <param name="dataObjectPds">The collection of original property descriptors obtained
/// from the contained data object.</param>
/// <returns>A collection of property descriptor objects that represent both the
/// properties of this object as well as the contained data object.</returns>
private PropertyDescriptorCollection CreateMergedPropertyDescriptorCollection(PropertyDescriptorCollection nativePds, PropertyDescriptorCollection dataObjectPds)
{
PropertyDescriptorCollection pds = new PropertyDescriptorCollection(nativePds.OfType <PropertyDescriptor>().ToArray());
foreach (PropertyDescriptor pd in dataObjectPds)
{
pds.Add(new ContainedDataPropertyDescriptor <TData>(pd));
}
return(pds);
}
private static bool IsSpecialEnumerable(Type t, PropertyDescriptorCollection properties)
{
return(properties.OfType <PropertyDescriptor>().Any(p => !_irrelevantEnumerableProperties.Contains(p.Name)) &&
!typeof(IEnumerator).IsAssignableFrom(t) &&
!t.IsArray &&
t.Namespace?.StartsWith("System.Collections", StringComparison.Ordinal) != true &&
t.Namespace?.StartsWith("System.Linq", StringComparison.Ordinal) != true &&
t.Name.IndexOf("Collection", StringComparison.Ordinal) < 0 &&
!t.Name.Equals("JArray", StringComparison.Ordinal));
}
public AttributeBuilderImplementation(ElementTypeDescriptor descriptor, Attribute[] attributes,
PropertyDescriptorCollection propertyDescriptors, ModelElement appliedTo)
{
this.Element = appliedTo;
this.descriptor = descriptor;
this.outerAttributes = attributes;
this.propertyDescriptors = propertyDescriptors;// descriptor.GetProperties(attributes);
//this.modelElement = descriptor.ModelElement;
if (this.Element != null)
{
List <PropertyDescriptor> elementPropertyDescriptors =
propertyDescriptors.OfType <ElementPropertyDescriptor>().Cast <PropertyDescriptor>().ToList();
processingPropertyDescriptors.Add(ProcessPropertyType.Element, elementPropertyDescriptors);
List <PropertyDescriptor> rolePlayerPropertyDescriptors =
propertyDescriptors.OfType <RolePlayerPropertyDescriptor>().Cast <PropertyDescriptor>().ToList();
processingPropertyDescriptors.Add(ProcessPropertyType.RolePlayer, rolePlayerPropertyDescriptors);
}
}
/// <summary>
/// Generates DataTable columns from PropertyDescriptorCollection.
/// </summary>
/// <param name="result">DataTable</param>
/// <param name="properties">PropertyDescriptorCollection</param>
public static void GenerateDataColumns(this DataTable result, PropertyDescriptorCollection properties)
{
Contract.Requires(result != null);
Contract.Requires(properties != null);
var columns = properties.OfType <PropertyDescriptor>()
.Select(p => new DataColumn(p.Name, p.PropertyType)
{
Caption = p.DisplayName
});
result.Columns.AddRange(columns.ToArray());
}
private void lookUpEditSubLinea_Properties_PopupFilter(object sender, DevExpress.XtraEditors.Controls.PopupFilterEventArgs e)
{
if (string.IsNullOrEmpty(e.SearchText))
{
return;
}
LookUpEdit edit = sender as LookUpEdit;
PropertyDescriptorCollection propertyDescriptors = ListBindingHelper.GetListItemProperties(edit.Properties.DataSource);
IEnumerable <FunctionOperator> operators = propertyDescriptors.OfType <PropertyDescriptor>().Select(
t => new FunctionOperator(FunctionOperatorType.Contains, new OperandProperty(t.Name), new OperandValue(e.SearchText)));
e.Criteria = new GroupOperator(GroupOperatorType.Or, operators);
e.SuppressSearchCriteria = true;
}
private static void GenerateGridColumns(SPGridView grid, PropertyDescriptorCollection properties)
{
Contract.Requires(grid != null);
grid.Columns.Clear();
if (properties != null)
{
var fields = properties.OfType <PropertyDescriptor>()
.Select(p => new SPBoundField
{
DataField = p.Name,
HeaderText = p.DisplayName,
SortExpression = p.Name
})
.ToList();
fields.ForEach(grid.Columns.Add);
grid.FilterDataFields = string.Join(",", fields.Select(f => f.DataField).ToArray());
}
}
/// <summary>Установка значений словаря в поля объекта (строки, словаря)</summary>
/// <param name="targetObject">целевой объект (строка, словарь, контейнер контролов)</param>
/// <param name="pars">словарь значений (ключи соответствуют именам полей объекта)</param>
public static void SetValues(object targetObject, Dictionary <string, object> pars)
{
if (targetObject is DataRow)
{
var row = (DataRow)targetObject;
foreach (var key in pars.Keys)
{
if (row.Table.Columns.Contains(key))
{
row[key] = pars[key] ?? DBNull.Value;
}
}
}
else if (targetObject is IEnumerable <Control> )
{
var cpars = (targetObject as IEnumerable <Control>);
foreach (var key in pars.Keys)
{
var par = cpars.FirstOrDefault(x => x.Name.TrimStart('_') == key);
if (par != null)
{
SetControlValue(par, pars[key]?.ToString());
}
}
}
else if (targetObject is Dictionary <string, object> )
{
((Dictionary <string, object>)targetObject).AddFromDictionary(pars, false);
}
else if (targetObject != null)
{
PropertyDescriptorCollection props = TypeDescriptor.GetProperties(targetObject);
foreach (var key in pars.Keys)
{
if (props.OfType <PropertyDescriptor>().Any(x => x.Name == key))
{
props[key].SetValue(targetObject, pars[key]);
}
}
}
}
/// <summary>
/// Returns the property descriptors for the described ModelAttribute domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
ModelAttribute modelAttribute = ModelElement as ModelAttribute;
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
if (modelAttribute != null)
{
storeDomainDataDirectory = modelAttribute.Store.DomainDataDirectory;
EFCoreValidator.RemoveHiddenProperties(propertyDescriptors, modelAttribute);
// dono't display IdentityType unless the IsIdentity is true
if (!modelAttribute.IsIdentity)
{
PropertyDescriptor identityTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "IdentityType");
propertyDescriptors.Remove(identityTypeDescriptor);
}
/********************************************************************************/
DomainPropertyInfo columnNamePropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ColumnNameDomainPropertyId);
DomainPropertyInfo isColumnNameTrackingPropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsColumnNameTrackingDomainPropertyId);
// Define attributes for the tracking property/properties so that the Properties window displays them correctly.
Attribute[] columnNameAttributes =
{
new DisplayNameAttribute("Column Name"),
new DescriptionAttribute("Overrides default column name"),
new CategoryAttribute("Database")
};
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute, columnNamePropertyInfo, isColumnNameTrackingPropertyInfo, columnNameAttributes));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
public override PropertyDescriptorCollection GetProperties()
{
PropertyDescriptorCollection props =
parentTypeDescriptionProvider.GetTypeDescriptor(instance).GetProperties();
foreach (PropertyDescriptor p in props.OfType <PropertyDescriptor>())
{
switch (p.Name)
{
case "IsFixedLength":
case "IsUnicode":
case "MaxLength":
if ((instance as ModelField).Type != BuiltInTypes.String)
{
props.Remove(p);
}
break;
}
}
return(props);
}
public override PropertyDescriptorCollection GetProperties()
{
if (_properties == null)
{
// Get properties from our parent
var originalCollection = base.GetProperties();
// Set _properties to avoid a stack overflow when CreateProjectionProperties
// ends up recursively calling TypeDescriptor.GetProperties on a type.
_properties = originalCollection;
var customDescriptorsCreated = false;
var tempPropertyDescriptors = new List <PropertyDescriptor>();
// for every property exposed by our parent, see if we have additional metadata to add,
// and if we do we need to add a wrapper PropertyDescriptor to add the new attributes
foreach (var propDescriptor in _properties.OfType <PropertyDescriptor>())
{
var newMetadata = GetAdditionalAttributes(propDescriptor);
if (newMetadata.Length > 0)
{
tempPropertyDescriptors.Add(new DataControllerPropertyDescriptor(propDescriptor, newMetadata));
customDescriptorsCreated = true;
}
else
{
tempPropertyDescriptors.Add(propDescriptor);
}
}
if (customDescriptorsCreated)
{
_properties = new PropertyDescriptorCollection(tempPropertyDescriptors.ToArray(), true);
}
}
return(_properties);
}
public void NoExtraPropertiesAdded()
{
//Arrange.
TestClass data = new TestClass();
Container <TestClass> containedData = new Container <TestClass>(data);
//Act.
Attribute[] atts = new Attribute[] { new BrowsableAttribute(true) };
PropertyDescriptorCollection dataProps = TypeDescriptor.GetProperties(data, atts);
PropertyDescriptorCollection containedProps = TypeDescriptor.GetProperties(containedData, atts);
//Assert.
string reason = null;
Assert.That(() =>
{
bool equal = dataProps.Count == containedProps.Count;
if (equal)
{
IEqualityComparer <PropertyDescriptor> eqComparer = new PropertyDescriptorEqComparer();
foreach (PropertyDescriptor pd in dataProps)
{
if (!containedProps.OfType <PropertyDescriptor>().Contains(pd, eqComparer))
{
equal = false;
reason = $"The data object provides a property descriptor for a property named '{pd.Name}' but a corresponding one was not found in the data container.";
break;
}
}
}
else
{
reason = $"The data property count is {dataProps.Count} and differs from the container property count, {containedProps.Count}.";
}
return(equal);
}, reason);
}
public StructureWatcher(Type t)
{
if (!(typeof(SerializedEntityBase).IsAssignableFrom(t)))
{
throw new InvalidEnumArgumentException("StructureWatcher need SerializableEntityBase!");
}
//read structure of type
PropertyDescriptorCollection pdc = TypeDescriptor.GetProperties(t);
foreach (ChainingPropertyDescriptor pd in pdc.OfType <ChainingPropertyDescriptor>())
{
if (pd.Attributes.OfType <model.attributes.MutableAttribute>().ToList().Count > 0)
{
//we have one mutable filed
lock (_descriptorsCache) {
if (!_descriptorsCache.ContainsKey(pd.Name))
{
_descriptorsCache[pd.Name] = pd;
}
}
}
}
_targetType = t;
}
/// <summary>
/// Returns the property descriptors for the described ModelAttribute domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
if (ModelElement is ModelAttribute modelAttribute)
{
storeDomainDataDirectory = modelAttribute.Store.DomainDataDirectory;
EFCoreValidator.AdjustEFCoreProperties(propertyDescriptors, modelAttribute);
// No sense asking for initial values if we won't use them
if (!modelAttribute.SupportsInitialValue)
{
PropertyDescriptor initialValuePropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "InitialValue");
if (initialValuePropertyDescriptor != null)
{
propertyDescriptors.Remove(initialValuePropertyDescriptor);
}
}
// don't display IdentityType unless the IsIdentity is true
if (!modelAttribute.IsIdentity)
{
PropertyDescriptor identityPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "IdentityType");
if (identityPropertyDescriptor != null)
{
propertyDescriptors.Remove(identityPropertyDescriptor);
}
}
// ImplementNotify implicitly defines autoproperty as false, so we don't display it
if (modelAttribute.ModelClass.ImplementNotify)
{
PropertyDescriptor autoPropertyPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "AutoProperty");
if (autoPropertyPropertyDescriptor != null)
{
propertyDescriptors.Remove(autoPropertyPropertyDescriptor);
}
}
// don't need a persistence point type if it's not persistent
if (!modelAttribute.Persistent)
{
PropertyDescriptor persistencePointPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "PersistencePoint");
if (persistencePointPropertyDescriptor != null)
{
propertyDescriptors.Remove(persistencePointPropertyDescriptor);
}
}
/********************************************************************************/
// don't display String property modifiers unless the type is "String"
if (modelAttribute.Type != "String")
{
PropertyDescriptor minLengthPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "MinLength");
if (minLengthPropertyDescriptor != null)
{
propertyDescriptors.Remove(minLengthPropertyDescriptor);
}
PropertyDescriptor maxLengthPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "MaxLength");
if (maxLengthPropertyDescriptor != null)
{
propertyDescriptors.Remove(maxLengthPropertyDescriptor);
}
PropertyDescriptor stringTypePropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "StringType");
if (stringTypePropertyDescriptor != null)
{
propertyDescriptors.Remove(stringTypePropertyDescriptor);
}
}
/********************************************************************************/
// don't display IndexedUnique unless the Indexed is true
if (!modelAttribute.Indexed)
{
PropertyDescriptor indexedUniquePropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "IndexedUnique");
if (indexedUniquePropertyDescriptor != null)
{
propertyDescriptors.Remove(indexedUniquePropertyDescriptor);
}
}
/********************************************************************************/
//Add the descriptors for the tracking properties
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ColumnNameDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsColumnNameTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Column Name")
, new DescriptionAttribute("Overrides default column name")
, new CategoryAttribute("Database")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ColumnTypeDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsColumnTypeTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Column Type")
, new DescriptionAttribute("Overrides default column type")
, new CategoryAttribute("Database")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.AutoPropertyDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsAutoPropertyTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("AutoProperty")
, new DescriptionAttribute("Overrides default autoproperty setting")
, new CategoryAttribute("Code Generation")
}));
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ImplementNotifyDomainPropertyId)
, storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsImplementNotifyTrackingDomainPropertyId)
, new Attribute[]
{
new DisplayNameAttribute("Implement INotifyPropertyChanged")
, new DescriptionAttribute("Should this attribute implement INotifyPropertyChanged?")
, new CategoryAttribute("Code Generation")
}));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
/// <summary>
/// Returns the property descriptors for the described ModelAttribute domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
if (ModelElement is ModelAttribute modelAttribute)
{
storeDomainDataDirectory = modelAttribute.Store.DomainDataDirectory;
EFCoreValidator.RemoveHiddenProperties(propertyDescriptors, modelAttribute);
// No sense asking for initial values if we won't use them
if (!modelAttribute.SupportsInitialValue)
{
PropertyDescriptor initialValueTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "InitialValue");
propertyDescriptors.Remove(initialValueTypeDescriptor);
}
// don't display IdentityType unless the IsIdentity is true
if (!modelAttribute.IsIdentity)
{
PropertyDescriptor identityTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "IdentityType");
propertyDescriptors.Remove(identityTypeDescriptor);
}
// ImplementNotify implicitly defines autoproperty as false, so we don't display it
if (modelAttribute.ModelClass.ImplementNotify)
{
PropertyDescriptor autoPropertyTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "AutoProperty");
propertyDescriptors.Remove(autoPropertyTypeDescriptor);
}
/********************************************************************************/
// don't display String property modifiers unless the type is "String"
if (modelAttribute.Type != "String")
{
PropertyDescriptor minLengthTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "MinLength");
propertyDescriptors.Remove(minLengthTypeDescriptor);
PropertyDescriptor maxLengthTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "MaxLength");
propertyDescriptors.Remove(maxLengthTypeDescriptor);
PropertyDescriptor stringTypeTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "StringType");
propertyDescriptors.Remove(stringTypeTypeDescriptor);
}
/********************************************************************************/
// don't display IndexedUnique unless the Indexed is true
if (!modelAttribute.Indexed)
{
PropertyDescriptor indexedUniqueTypeDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().Single(x => x.Name == "IndexedUnique");
propertyDescriptors.Remove(indexedUniqueTypeDescriptor);
}
/********************************************************************************/
DomainPropertyInfo columnNamePropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelAttribute.ColumnNameDomainPropertyId);
DomainPropertyInfo isColumnNameTrackingPropertyInfo = storeDomainDataDirectory.GetDomainProperty(ModelAttribute.IsColumnNameTrackingDomainPropertyId);
// Define attributes for the tracking property/properties so that the Properties window displays them correctly.
Attribute[] columnNameAttributes =
{
new DisplayNameAttribute("Column Name"),
new DescriptionAttribute("Overrides default column name"),
new CategoryAttribute("Database")
};
propertyDescriptors.Add(new TrackingPropertyDescriptor(modelAttribute, columnNamePropertyInfo, isColumnNameTrackingPropertyInfo, columnNameAttributes));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
private void InitializeColumns(PropertyDescriptorCollection columnDescriptors)
{
_columns = columnDescriptors.OfType <PropertyDescriptor>().Select(p => new SimpleColumnProvider(this, p)).OfType <ColumnProvider>().ToList();
}
public void InitializeTest()
{
_test = new TTestClass();
// Get dependency properties.
_propertyAttributes = (from p in typeof(TTestClass).GetProperties()
let attributes = p.GetAttributes <DependencyPropertyAttribute>()
where attributes.Count() > 0
select new
{
Property = p,
Attribute = attributes.First()
}).ToDictionary(p => p.Property, p => p.Attribute);
// Get all dependency property descriptors, linked to the property enum.
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(_test);
_propertyDescriptors = (from property in _propertyAttributes
from descriptor in properties.OfType <PropertyDescriptor>()
where property.Key.Name == descriptor.Name
select new
{
EnumValue = (Property)property.Value.GetId(),
Descriptor = descriptor
}).ToDictionary(p => p.EnumValue, p => p.Descriptor);
// Verify whether all dependency properties where created.
Assert.IsTrue(_propertyAttributes.Count == _propertyDescriptors.Count);
// Verify whether all set values are specified in the dictionary.
Assert.IsTrue(SetValues.Count == EnumHelper <Property> .GetValues().Count());
// Get default values from the attributes applied to the properties.
_initializeValues = _propertyAttributes.ToDictionary(
p => (Property)p.Value.GetId(),
p =>
{
if (p.Value.DefaultValueProvider == null)
{
return(p.Value.DefaultValue);
}
else
{
var provider = (IDefaultValueProvider <Property>)Activator.CreateInstance(p.Value.DefaultValueProvider);
return(provider.GetDefaultValue((Property)p.Value.GetId(), p.Key.PropertyType));
}
});
// Create getters and setters for the CLR properties.
_propertyGetters = _propertyAttributes.ToDictionary(
p => (Property)p.Value.GetId(),
p => p.Key.GetGetMethod().CreateDelegate <Func <object> >(_test, DelegateHelper.CreateOptions.Downcasting));
_propertySetters = _propertyAttributes
.Where(p => p.Key.GetSetMethod() != null)
.ToDictionary(
p => (Property)p.Value.GetId(),
p => p.Key.GetSetMethod().CreateDelegate <Action <object> >(_test, DelegateHelper.CreateOptions.Downcasting));
// Verify whether correct amount of read only properties where created.
Assert.IsTrue(_propertySetters.Count == _propertyDescriptors.Where(d => !d.Value.IsReadOnly).Count());
}
/// <summary>
/// Creates a property source for the specified CLR object using reflection.
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="name">The name for the property source.</param>
/// <param name="typeName">The type name of the property source.</param>
/// <returns>The property source.</returns>
/// <remarks>
/// <para>
/// This method can be used for static types and dynamic types that implement
/// <see cref="ICustomTypeDescriptor"/>. The property source lists instance properties.
/// Properties where the <see cref="BrowsableAttribute"/> is set to <see langword="false"/>
/// are ignored.
/// </para>
/// <para>
/// To find the name of the property source the method uses (in this order):
/// </para>
/// <list type="number">
/// <item>The <paramref name="name"/> parameter.</item>
/// <item>The <see cref="INamedObject"/> interface.</item>
/// <item>A string property called "Name".</item>
/// </list>
/// <para>
/// To find the type name of the property source the method uses (in this order):
/// </para>
/// <list type="number">
/// <item>The <paramref name="typeName"/> parameter.</item>
/// <item>The CLR type name.</item>
/// </list>
/// <para>
/// The <paramref name="instance"/> is stored in the <see cref="PropertySource.UserData"/>
/// of the <see cref="PropertySource"/>.
/// </para>
/// </remarks>
/// <exception cref="ArgumentNullException">
/// <paramref name="instance"/> is <see langword="null"/>.
/// </exception>
public static PropertySource CreatePropertySource(object instance, string name = null, string typeName = null)
{
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
var propertySource = new PropertySource {
UserData = instance
};
// Get property descriptors.
var typeConverter = TypeDescriptor.GetConverter(instance);
PropertyDescriptorCollection propertyDescriptors = null;
if (typeConverter != null && typeConverter.GetPropertiesSupported())
{
// Try to get properties from type converter.
propertyDescriptors = typeConverter.GetProperties(instance);
}
if (propertyDescriptors == null && instance is ICustomTypeDescriptor)
{
// Instance is a dynamic object.
propertyDescriptors = ((ICustomTypeDescriptor)instance).GetProperties();
}
bool isBasicObject = false;
if (propertyDescriptors == null)
{
// Instance is a regular CLR object.
isBasicObject = true;
propertyDescriptors = TypeDescriptor.GetProperties(instance.GetType());
}
// Create a list of all properties.
propertySource.Properties.AddRange(
propertyDescriptors.OfType <PropertyDescriptor>()
.Where(descriptor => descriptor.IsBrowsable)
.Select(descriptor => new ReflectedProperty(instance, descriptor))
.OrderBy(p => p, PropertyComparer.Instance));
// Add public fields of regular CLR objects (very important for structs like Vector3).
if (isBasicObject)
{
foreach (var field in instance.GetType().GetFields())
{
if (!field.IsLiteral && !field.IsStatic)
{
propertySource.Properties.Add(new ReflectedField(instance, field));
}
}
}
// Add items of an IEnumerable.
var enumerable = instance as IEnumerable;
if (enumerable != null)
{
int index = 0;
foreach (var item in enumerable)
{
string itemName = "Item[" + index + "]";
var namedItem = item as INamedObject;
if (namedItem != null)
{
itemName = Invariant($"{itemName}: {namedItem.Name}");
}
propertySource.Properties.Add(new CustomProperty(itemName, item)
{
Category = "Items",
IsReadOnly = true
});
index++;
}
}
// ----- Set name:
// 1. Try name parameter.
propertySource.Name = name;
// 2. Try INamedObject interface.
if (propertySource.Name == null)
{
var namedObject = instance as INamedObject;
if (namedObject != null)
{
propertySource.Name = namedObject.Name;
}
}
// 3. Try "Name" property.
if (propertySource.Name == null)
{
var namePropertyDescriptor =
propertyDescriptors.OfType <PropertyDescriptor>()
.FirstOrDefault(d => d.Name == "Name" && d.PropertyType == typeof(string));
if (namePropertyDescriptor != null)
{
propertySource.Name = (string)namePropertyDescriptor.GetValue(instance);
}
}
// Fallback: Empty string.
if (propertySource.Name == null)
{
propertySource.Name = string.Empty;
}
// Set type name.
propertySource.TypeName = typeName;
if (propertySource.TypeName == null)
{
propertySource.TypeName = instance.GetType().Name;
}
return(propertySource);
}
/// <summary>
/// Returns an <see cref="IEnumerable{T}"/> of <see cref="IDataValue"/> for
/// the specified <see cref="ReflectedDataDefinition"/>
/// </summary>
/// <param name="dataDefinition"></param>
/// <returns></returns>
public virtual IEnumerable <IDataValue> Evaluate(ReflectedDataDefinition dataDefinition)
{
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(dataDefinition.Data);
return(properties.OfType <PropertyDescriptor>().Select(property => GetDataValue(property, dataDefinition.Data)));
}
/// <summary>
/// Returns the property descriptors for the described ModelClass domain class, adding tracking property
/// descriptor(s).
/// </summary>
private PropertyDescriptorCollection GetCustomProperties(Attribute[] attributes)
{
// Get the default property descriptors from the base class
PropertyDescriptorCollection propertyDescriptors = base.GetProperties(attributes);
//Add the descriptor for the tracking property.
if (ModelElement is Association association)
{
storeDomainDataDirectory = association.Store.DomainDataDirectory;
EFCoreValidator.AdjustEFCoreProperties(propertyDescriptors, association);
// ImplementNotify implicitly defines autoproperty as false, so we don't display it
// Similarly, collections are autoproperty == true, so no need to display it then either
if ((association.Target.ImplementNotify || association.SourceMultiplicity == Multiplicity.ZeroMany) && association is BidirectionalAssociation)
{
PropertyDescriptor sourceAutoPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "SourceAutoProperty");
if (sourceAutoPropertyDescriptor != null)
{
propertyDescriptors.Remove(sourceAutoPropertyDescriptor);
}
}
if (association.Source.ImplementNotify || association.TargetMultiplicity == Multiplicity.ZeroMany)
{
PropertyDescriptor targetAutoPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "TargetAutoProperty");
if (targetAutoPropertyDescriptor != null)
{
propertyDescriptors.Remove(targetAutoPropertyDescriptor);
}
}
// only display roles for 1..1 and 0-1..0-1 associations
if (((association.SourceMultiplicity != Multiplicity.One || association.TargetMultiplicity != Multiplicity.One) &&
(association.SourceMultiplicity != Multiplicity.ZeroOne || association.TargetMultiplicity != Multiplicity.ZeroOne)))
{
PropertyDescriptor sourceRolePropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "SourceRole");
if (sourceRolePropertyDescriptor != null)
{
propertyDescriptors.Remove(sourceRolePropertyDescriptor);
}
PropertyDescriptor targetRolePropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "TargetRole");
if (targetRolePropertyDescriptor != null)
{
propertyDescriptors.Remove(targetRolePropertyDescriptor);
}
}
// only display delete behavior on the principal end
if (association.SourceRole != EndpointRole.Principal)
{
PropertyDescriptor sourceDeleteActionPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "SourceDeleteAction");
if (sourceDeleteActionPropertyDescriptor != null)
{
propertyDescriptors.Remove(sourceDeleteActionPropertyDescriptor);
}
}
if (association.TargetRole != EndpointRole.Principal)
{
PropertyDescriptor targetDeleteActionPropertyDescriptor = propertyDescriptors.OfType <PropertyDescriptor>().SingleOrDefault(x => x.Name == "TargetDeleteAction");
if (targetDeleteActionPropertyDescriptor != null)
{
propertyDescriptors.Remove(targetDeleteActionPropertyDescriptor);
}
}
/********************************************************************************/
DomainPropertyInfo collectionClassPropertyInfo = storeDomainDataDirectory.GetDomainProperty(Association.CollectionClassDomainPropertyId);
DomainPropertyInfo isCollectionClassTrackingPropertyInfo = storeDomainDataDirectory.GetDomainProperty(Association.IsCollectionClassTrackingDomainPropertyId);
// Define attributes for the tracking property/properties so that the Properties window displays them correctly.
Attribute[] collectionClassAttributes =
{
new DisplayNameAttribute("Collection Class"),
new DescriptionAttribute("Type of collections generated. Overrides the default collection class for the model"),
new CategoryAttribute("Code Generation")
};
propertyDescriptors.Add(new TrackingPropertyDescriptor(association, collectionClassPropertyInfo, isCollectionClassTrackingPropertyInfo, collectionClassAttributes));
}
// Return the property descriptors for this element
return(propertyDescriptors);
}
