Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / xsp / System / Web / UI / WebParts / PersonalizableTypeEntry.cs / 1 / PersonalizableTypeEntry.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls.WebParts { using System; using System.Collections; using System.Collections.Specialized; using System.Reflection; ////// Used to represent a type that has personalizable properties /// and cache information about it. /// internal sealed class PersonalizableTypeEntry { private Type _type; private IDictionary _propertyEntries; private PropertyInfo[] _propertyInfos; public PersonalizableTypeEntry(Type type) { _type = type; InitializePersonalizableProperties(); } public IDictionary PropertyEntries { get { return _propertyEntries; } } public ICollection PropertyInfos { get { if (_propertyInfos == null) { PropertyInfo[] propertyInfos = new PropertyInfo[_propertyEntries.Count]; int i = 0; foreach (PersonalizablePropertyEntry entry in _propertyEntries.Values) { propertyInfos[i] = entry.PropertyInfo; i++; } // Set field after the values have been computed, so field will not be cached // if an exception is thrown. _propertyInfos = propertyInfos; } return _propertyInfos; } } private void InitializePersonalizableProperties() { _propertyEntries = new HybridDictionary(/* caseInsensitive */ false); // Get all public and non-public instance properties, including those declared on // base types. BindingFlags flags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic; PropertyInfo[] props = _type.GetProperties(flags); // Sorts PropertyInfos according to their DeclaringType. Base types appear before derived types. Array.Sort(props, new DeclaringTypeComparer()); // For each PropertyInfo, add it to the dictionary if it is personalizable, else remove // it from the dictionary. We need to remove it from the dictionary, in case the base // type declared a valid personalizable property of the same name (VSWhidbey 237437). if ((props != null) && (props.Length != 0)) { for (int i = 0; i < props.Length; i++) { PropertyInfo pi = props[i]; string name = pi.Name; // Get the PersonalizableAttribute (and include any inherited metadata) PersonalizableAttribute pa = Attribute.GetCustomAttribute(pi, PersonalizableAttribute.PersonalizableAttributeType, true) as PersonalizableAttribute; // If the property is not personalizable, remove it from the dictionary if (pa == null || !pa.IsPersonalizable) { _propertyEntries.Remove(name); continue; } // If the property has parameters, or does not have a public get or set // accessor, throw an exception. ParameterInfo[] paramList = pi.GetIndexParameters(); if ((paramList != null && paramList.Length > 0) || pi.GetGetMethod() == null || pi.GetSetMethod() == null) { throw new HttpException(SR.GetString( SR.PersonalizableTypeEntry_InvalidProperty, name, _type.FullName)); } // Add the property to the dictionary _propertyEntries[name] = new PersonalizablePropertyEntry(pi, pa); } } } // Sorts PropertyInfos according to their DeclaringType. Base types appear before derived types. private sealed class DeclaringTypeComparer : IComparer { public int Compare(Object x, Object y) { Type declaringTypeX = ((PropertyInfo)x).DeclaringType; Type declaringTypeY = ((PropertyInfo)y).DeclaringType; if (declaringTypeX == declaringTypeY) { return 0; } else if (declaringTypeX.IsSubclassOf(declaringTypeY)) { return 1; } else { return -1; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls.WebParts { using System; using System.Collections; using System.Collections.Specialized; using System.Reflection; ////// Used to represent a type that has personalizable properties /// and cache information about it. /// internal sealed class PersonalizableTypeEntry { private Type _type; private IDictionary _propertyEntries; private PropertyInfo[] _propertyInfos; public PersonalizableTypeEntry(Type type) { _type = type; InitializePersonalizableProperties(); } public IDictionary PropertyEntries { get { return _propertyEntries; } } public ICollection PropertyInfos { get { if (_propertyInfos == null) { PropertyInfo[] propertyInfos = new PropertyInfo[_propertyEntries.Count]; int i = 0; foreach (PersonalizablePropertyEntry entry in _propertyEntries.Values) { propertyInfos[i] = entry.PropertyInfo; i++; } // Set field after the values have been computed, so field will not be cached // if an exception is thrown. _propertyInfos = propertyInfos; } return _propertyInfos; } } private void InitializePersonalizableProperties() { _propertyEntries = new HybridDictionary(/* caseInsensitive */ false); // Get all public and non-public instance properties, including those declared on // base types. BindingFlags flags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic; PropertyInfo[] props = _type.GetProperties(flags); // Sorts PropertyInfos according to their DeclaringType. Base types appear before derived types. Array.Sort(props, new DeclaringTypeComparer()); // For each PropertyInfo, add it to the dictionary if it is personalizable, else remove // it from the dictionary. We need to remove it from the dictionary, in case the base // type declared a valid personalizable property of the same name (VSWhidbey 237437). if ((props != null) && (props.Length != 0)) { for (int i = 0; i < props.Length; i++) { PropertyInfo pi = props[i]; string name = pi.Name; // Get the PersonalizableAttribute (and include any inherited metadata) PersonalizableAttribute pa = Attribute.GetCustomAttribute(pi, PersonalizableAttribute.PersonalizableAttributeType, true) as PersonalizableAttribute; // If the property is not personalizable, remove it from the dictionary if (pa == null || !pa.IsPersonalizable) { _propertyEntries.Remove(name); continue; } // If the property has parameters, or does not have a public get or set // accessor, throw an exception. ParameterInfo[] paramList = pi.GetIndexParameters(); if ((paramList != null && paramList.Length > 0) || pi.GetGetMethod() == null || pi.GetSetMethod() == null) { throw new HttpException(SR.GetString( SR.PersonalizableTypeEntry_InvalidProperty, name, _type.FullName)); } // Add the property to the dictionary _propertyEntries[name] = new PersonalizablePropertyEntry(pi, pa); } } } // Sorts PropertyInfos according to their DeclaringType. Base types appear before derived types. private sealed class DeclaringTypeComparer : IComparer { public int Compare(Object x, Object y) { Type declaringTypeX = ((PropertyInfo)x).DeclaringType; Type declaringTypeY = ((PropertyInfo)y).DeclaringType; if (declaringTypeX == declaringTypeY) { return 0; } else if (declaringTypeX.IsSubclassOf(declaringTypeY)) { return 1; } else { return -1; } } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ProcessHost.cs
- Base64Decoder.cs
- TransformerInfo.cs
- GroupLabel.cs
- TwoPhaseCommitProxy.cs
- XPathNavigatorKeyComparer.cs
- BypassElement.cs
- CharEnumerator.cs
- MenuRenderer.cs
- GridViewCellAutomationPeer.cs
- WebPartDescriptionCollection.cs
- FlowDocumentScrollViewerAutomationPeer.cs
- _StreamFramer.cs
- ExeContext.cs
- XmlWhitespace.cs
- SelectionRange.cs
- DataComponentNameHandler.cs
- StrongBox.cs
- PropertyDescriptors.cs
- Comparer.cs
- DrawItemEvent.cs
- SpoolingTask.cs
- ModelItemImpl.cs
- WebPartConnectionsCloseVerb.cs
- NaturalLanguageHyphenator.cs
- ValueTypeFixupInfo.cs
- Int32Collection.cs
- RtfToken.cs
- MarshalByValueComponent.cs
- AmbientProperties.cs
- DependencyPropertyChangedEventArgs.cs
- PointLightBase.cs
- SqlCharStream.cs
- OutputCacheSettings.cs
- Calendar.cs
- CounterCreationDataCollection.cs
- SynchronizationContextHelper.cs
- _NestedSingleAsyncResult.cs
- WebPartConnectionsDisconnectVerb.cs
- ListBindingHelper.cs
- SmiEventSink_Default.cs
- UnSafeCharBuffer.cs
- __ConsoleStream.cs
- infer.cs
- WebZone.cs
- ColumnMap.cs
- CustomWebEventKey.cs
- AsynchronousChannel.cs
- BufferModesCollection.cs
- AutomationPropertyInfo.cs
- TextContainerChangedEventArgs.cs
- HtmlInputText.cs
- ChtmlSelectionListAdapter.cs
- InputBindingCollection.cs
- NullableIntMinMaxAggregationOperator.cs
- GeometryDrawing.cs
- FacetDescription.cs
- TransformerTypeCollection.cs
- BreakSafeBase.cs
- EntityDataSourceReferenceGroup.cs
- ExpressionPrefixAttribute.cs
- TraceData.cs
- XmlSerializationGeneratedCode.cs
- HijriCalendar.cs
- WindowHideOrCloseTracker.cs
- GeometryDrawing.cs
- SqlConnectionPoolProviderInfo.cs
- NavigationPropertySingletonExpression.cs
- MissingManifestResourceException.cs
- PeerNameResolver.cs
- XmlDictionaryWriter.cs
- SQLMembershipProvider.cs
- ToolStripProfessionalLowResolutionRenderer.cs
- CodeDirectoryCompiler.cs
- TypedTableBase.cs
- BmpBitmapEncoder.cs
- MessageSecurityOverTcp.cs
- GroupBox.cs
- CoreSwitches.cs
- recordstatescratchpad.cs
- TcpClientSocketManager.cs
- AvTrace.cs
- ListView.cs
- PathSegmentCollection.cs
- GridSplitterAutomationPeer.cs
- SqlSelectStatement.cs
- ListBindableAttribute.cs
- DataGridViewRow.cs
- SafeReversePInvokeHandle.cs
- MouseWheelEventArgs.cs
- TableSectionStyle.cs
- Item.cs
- SoapAttributeOverrides.cs
- Roles.cs
- StrokeSerializer.cs
- DateTimeSerializationSection.cs
- XmlDocumentViewSchema.cs
- ResourceDictionary.cs
- EventDescriptorCollection.cs
- PriorityQueue.cs