Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Framework / System / Windows / Controls / GroupItem.cs / 2 / GroupItem.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: GroupItem object - root of the UI subtree generated for a CollectionViewGroup // // Specs: http://avalon/connecteddata/M5%20General%20Docs/Data%20Styling.mht // //--------------------------------------------------------------------------- using System; using System.Collections; namespace System.Windows.Controls { ////// A GroupItem appears as the root of the visual subtree generated for a CollectionViewGroup. /// public class GroupItem : ContentControl { static GroupItem() { DefaultStyleKeyProperty.OverrideMetadata(typeof(GroupItem), new FrameworkPropertyMetadata(typeof(GroupItem))); _dType = DependencyObjectType.FromSystemTypeInternal(typeof(GroupItem)); // GroupItems should not be focusable by default FocusableProperty.OverrideMetadata(typeof(GroupItem), new FrameworkPropertyMetadata(false)); } ////// Creates AutomationPeer ( protected override System.Windows.Automation.Peers.AutomationPeer OnCreateAutomationPeer() { return new System.Windows.Automation.Peers.GroupItemAutomationPeer(this); } ///) /// /// Gives a string representation of this object. /// ///internal override string GetPlainText() { System.Windows.Data.CollectionViewGroup cvg = Content as System.Windows.Data.CollectionViewGroup; if (cvg != null && cvg.Name != null) { return cvg.Name.ToString(); } return base.GetPlainText(); } //----------------------------------------------------- // // Internal Properties // //----------------------------------------------------- internal ItemContainerGenerator Generator { get { return _generator; } set { _generator = value; } } //------------------------------------------------------ // // Internal Methods // //----------------------------------------------------- internal void PrepareItemContainer(object item) { if (Generator == null) return; // user-declared GroupItem - ignore (bug 108423) ItemContainerGenerator generator = Generator.Parent; GroupStyle groupStyle = generator.GroupStyle; // apply the container style Style style = groupStyle.ContainerStyle; // no ContainerStyle set, try ContainerStyleSelector if (style == null) { if (groupStyle.ContainerStyleSelector != null) { style = groupStyle.ContainerStyleSelector.SelectStyle(item, this); } } // apply the style, if found if (style != null) { // verify style is appropriate before applying it if (!style.TargetType.IsInstanceOfType(this)) throw new InvalidOperationException(SR.Get(SRID.StyleForWrongType, style.TargetType.Name, this.GetType().Name)); this.Style = style; this.WriteInternalFlag2(InternalFlags2.IsStyleSetFromGenerator, true); } // forward the header template information if (!HasNonDefaultValue(ContentProperty)) this.Content = item; if (!HasNonDefaultValue(ContentTemplateProperty)) this.ContentTemplate = groupStyle.HeaderTemplate; if (!HasNonDefaultValue(ContentTemplateSelectorProperty)) this.ContentTemplateSelector = groupStyle.HeaderTemplateSelector; if (!HasNonDefaultValue(ContentStringFormatProperty)) this.ContentStringFormat = groupStyle.HeaderStringFormat; } internal void ClearContainerForItem(object item) { if (Generator == null) return; // user-declared GroupItem - ignore (bug 108423) ItemContainerGenerator generator = Generator.Parent; GroupStyle groupStyle = generator.GroupStyle; if (Object.Equals(this.Content, item)) ClearValue(ContentProperty); if (this.ContentTemplate == groupStyle.HeaderTemplate) ClearValue(ContentTemplateProperty); if (this.ContentTemplateSelector == groupStyle.HeaderTemplateSelector) ClearValue(ContentTemplateSelectorProperty); if (this.ContentStringFormat == groupStyle.HeaderStringFormat) ClearValue(ContentStringFormatProperty); Generator.Release(); } //------------------------------------------------------ // // Private Fields // //------------------------------------------------------ ItemContainerGenerator _generator; #region DTypeThemeStyleKey // Returns the DependencyObjectType for the registered ThemeStyleKey's default // value. Controls will override this method to return approriate types. internal override DependencyObjectType DTypeThemeStyleKey { get { return _dType; } } private static DependencyObjectType _dType; #endregion DTypeThemeStyleKey } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //---------------------------------------------------------------------------- // // // Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: GroupItem object - root of the UI subtree generated for a CollectionViewGroup // // Specs: http://avalon/connecteddata/M5%20General%20Docs/Data%20Styling.mht // //--------------------------------------------------------------------------- using System; using System.Collections; namespace System.Windows.Controls { ////// A GroupItem appears as the root of the visual subtree generated for a CollectionViewGroup. /// public class GroupItem : ContentControl { static GroupItem() { DefaultStyleKeyProperty.OverrideMetadata(typeof(GroupItem), new FrameworkPropertyMetadata(typeof(GroupItem))); _dType = DependencyObjectType.FromSystemTypeInternal(typeof(GroupItem)); // GroupItems should not be focusable by default FocusableProperty.OverrideMetadata(typeof(GroupItem), new FrameworkPropertyMetadata(false)); } ////// Creates AutomationPeer ( protected override System.Windows.Automation.Peers.AutomationPeer OnCreateAutomationPeer() { return new System.Windows.Automation.Peers.GroupItemAutomationPeer(this); } ///) /// /// Gives a string representation of this object. /// ///internal override string GetPlainText() { System.Windows.Data.CollectionViewGroup cvg = Content as System.Windows.Data.CollectionViewGroup; if (cvg != null && cvg.Name != null) { return cvg.Name.ToString(); } return base.GetPlainText(); } //----------------------------------------------------- // // Internal Properties // //----------------------------------------------------- internal ItemContainerGenerator Generator { get { return _generator; } set { _generator = value; } } //------------------------------------------------------ // // Internal Methods // //----------------------------------------------------- internal void PrepareItemContainer(object item) { if (Generator == null) return; // user-declared GroupItem - ignore (bug 108423) ItemContainerGenerator generator = Generator.Parent; GroupStyle groupStyle = generator.GroupStyle; // apply the container style Style style = groupStyle.ContainerStyle; // no ContainerStyle set, try ContainerStyleSelector if (style == null) { if (groupStyle.ContainerStyleSelector != null) { style = groupStyle.ContainerStyleSelector.SelectStyle(item, this); } } // apply the style, if found if (style != null) { // verify style is appropriate before applying it if (!style.TargetType.IsInstanceOfType(this)) throw new InvalidOperationException(SR.Get(SRID.StyleForWrongType, style.TargetType.Name, this.GetType().Name)); this.Style = style; this.WriteInternalFlag2(InternalFlags2.IsStyleSetFromGenerator, true); } // forward the header template information if (!HasNonDefaultValue(ContentProperty)) this.Content = item; if (!HasNonDefaultValue(ContentTemplateProperty)) this.ContentTemplate = groupStyle.HeaderTemplate; if (!HasNonDefaultValue(ContentTemplateSelectorProperty)) this.ContentTemplateSelector = groupStyle.HeaderTemplateSelector; if (!HasNonDefaultValue(ContentStringFormatProperty)) this.ContentStringFormat = groupStyle.HeaderStringFormat; } internal void ClearContainerForItem(object item) { if (Generator == null) return; // user-declared GroupItem - ignore (bug 108423) ItemContainerGenerator generator = Generator.Parent; GroupStyle groupStyle = generator.GroupStyle; if (Object.Equals(this.Content, item)) ClearValue(ContentProperty); if (this.ContentTemplate == groupStyle.HeaderTemplate) ClearValue(ContentTemplateProperty); if (this.ContentTemplateSelector == groupStyle.HeaderTemplateSelector) ClearValue(ContentTemplateSelectorProperty); if (this.ContentStringFormat == groupStyle.HeaderStringFormat) ClearValue(ContentStringFormatProperty); Generator.Release(); } //------------------------------------------------------ // // Private Fields // //------------------------------------------------------ ItemContainerGenerator _generator; #region DTypeThemeStyleKey // Returns the DependencyObjectType for the registered ThemeStyleKey's default // value. Controls will override this method to return approriate types. internal override DependencyObjectType DTypeThemeStyleKey { get { return _dType; } } private static DependencyObjectType _dType; #endregion DTypeThemeStyleKey } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- AnonymousIdentificationModule.cs
- TypeGeneratedEventArgs.cs
- Missing.cs
- ForceCopyBuildProvider.cs
- FrugalMap.cs
- ObjectCloneHelper.cs
- BitmapData.cs
- ManagementOperationWatcher.cs
- NavigationService.cs
- SparseMemoryStream.cs
- ButtonFlatAdapter.cs
- OdbcError.cs
- TrustLevelCollection.cs
- SchemaMapping.cs
- DataObjectSettingDataEventArgs.cs
- SspiHelper.cs
- Material.cs
- ToolStripHighContrastRenderer.cs
- FixedPage.cs
- SmiEventSink_Default.cs
- DocumentReferenceCollection.cs
- MailWebEventProvider.cs
- BigInt.cs
- ObjectDataSourceStatusEventArgs.cs
- AutomationProperties.cs
- RadioButtonRenderer.cs
- CustomTrackingQuery.cs
- SQLCharsStorage.cs
- SqlErrorCollection.cs
- WCFBuildProvider.cs
- Cursor.cs
- WindowsFormsSectionHandler.cs
- OpenTypeMethods.cs
- ObjectDataSourceWizardForm.cs
- LicFileLicenseProvider.cs
- ManagedWndProcTracker.cs
- ContextCorrelationInitializer.cs
- LongValidator.cs
- ObjectItemCollectionAssemblyCacheEntry.cs
- EntityDataSourceContainerNameItem.cs
- StrongNamePublicKeyBlob.cs
- httpserverutility.cs
- RouteItem.cs
- DecoderFallbackWithFailureFlag.cs
- WrappedReader.cs
- XPathSelectionIterator.cs
- TransactionContext.cs
- CustomUserNameSecurityTokenAuthenticator.cs
- RightsManagementInformation.cs
- TableMethodGenerator.cs
- _NTAuthentication.cs
- OrderByLifter.cs
- Rotation3D.cs
- Image.cs
- TreeBuilderBamlTranslator.cs
- RadioButtonStandardAdapter.cs
- Command.cs
- RegistryPermission.cs
- SqlInfoMessageEvent.cs
- StorageConditionPropertyMapping.cs
- BamlCollectionHolder.cs
- BindingValueChangedEventArgs.cs
- LocatorPart.cs
- sqlmetadatafactory.cs
- TouchDevice.cs
- ObjectPersistData.cs
- CopyOfAction.cs
- InternalException.cs
- FixedSOMTableCell.cs
- ObjectFullSpanRewriter.cs
- RemoteWebConfigurationHostServer.cs
- BulletedListEventArgs.cs
- TypeKeyValue.cs
- dtdvalidator.cs
- PostBackTrigger.cs
- XmlValueConverter.cs
- ConsoleTraceListener.cs
- AsymmetricKeyExchangeDeformatter.cs
- bidPrivateBase.cs
- SelectorItemAutomationPeer.cs
- CodeAttributeDeclaration.cs
- ProcessInputEventArgs.cs
- XMLSyntaxException.cs
- PointAnimationBase.cs
- SecurityToken.cs
- CollectionChangeEventArgs.cs
- EtwTrace.cs
- PixelFormatConverter.cs
- ImpersonationContext.cs
- ToolStripGrip.cs
- RichTextBox.cs
- HttpProfileBase.cs
- ISFClipboardData.cs
- QueryCacheKey.cs
- UserControl.cs
- SystemEvents.cs
- ThicknessKeyFrameCollection.cs
- SigningProgress.cs
- WebServiceData.cs
- AttributeInfo.cs