Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / WebParts / WebPartZoneDesigner.cs / 1 / WebPartZoneDesigner.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.Design.WebControls.WebParts { using System.ComponentModel; using System.ComponentModel.Design; using System.Data; using System.Design; using System.Diagnostics; using System.Globalization; using System.IO; using System.Web.UI.Design; using System.Web.UI.Design.WebControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; ////// [System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand, Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)] public class WebPartZoneDesigner : WebPartZoneBaseDesigner { private static DesignerAutoFormatCollection _autoFormats; private WebPartZone _zone; private TemplateGroup _templateGroup; public override DesignerAutoFormatCollection AutoFormats { get { if (_autoFormats == null) { _autoFormats = CreateAutoFormats(AutoFormatSchemes.WEBPARTZONE_SCHEMES, delegate(DataRow schemeData) { return new WebPartZoneAutoFormat(schemeData); }); } return _autoFormats; } } public override TemplateGroupCollection TemplateGroups { get { TemplateGroupCollection groups = base.TemplateGroups; if (_templateGroup == null) { _templateGroup = CreateZoneTemplateGroup(); } groups.Add(_templateGroup); return groups; } } public override string GetDesignTimeHtml() { return GetDesignTimeHtml(null); } ////// Provides the layout html for the control in the designer, including regions. /// public override string GetDesignTimeHtml(DesignerRegionCollection regions) { string designTimeHtml; try { WebPartZone zone = (WebPartZone)ViewControl; bool useRegions = UseRegions(regions, _zone.ZoneTemplate, zone.ZoneTemplate); // When there is an editable region, we want to use the regular control // rendering instead of the EmptyDesignTimeHtml if (zone.ZoneTemplate == null && !useRegions) { designTimeHtml = GetEmptyDesignTimeHtml(); } else { ((ICompositeControlDesignerAccessor)zone).RecreateChildControls(); if (useRegions) { // If the tools supports editable regions, the initial rendering of the // WebParts in the Zone is thrown away by the tool anyway, so we should clear // the controls collection before rendering. If we don't clear the controls // collection and a WebPart inside the Zone throws an exception when rendering, // this would cause the whole Zone to render as an error, instead of just // the offending WebPart. This also improves perf. zone.Controls.Clear(); WebPartEditableDesignerRegion region = new WebPartEditableDesignerRegion(zone, TemplateDefinition); region.IsSingleInstanceTemplate = true; region.Description = SR.GetString(SR.ContainerControlDesigner_RegionWatermark); regions.Add(region); } designTimeHtml = base.GetDesignTimeHtml(); } } catch (Exception e) { designTimeHtml = GetErrorDesignTimeHtml(e); } return designTimeHtml; } ////// /// Get the content for the specified region /// public override string GetEditableDesignerRegionContent(EditableDesignerRegion region) { Debug.Assert(region != null); // Occasionally getting NullRef here in WebMatrix. Maybe Zone is null? Debug.Assert(_zone != null); return ControlPersister.PersistTemplate(_zone.ZoneTemplate, (IDesignerHost)Component.Site.GetService(typeof(IDesignerHost))); } protected override string GetEmptyDesignTimeHtml() { return CreatePlaceHolderDesignTimeHtml(SR.GetString(SR.WebPartZoneDesigner_Empty)); } public override void Initialize(IComponent component) { VerifyInitializeArgument(component, typeof(WebPartZone)); base.Initialize(component); _zone = (WebPartZone)component; } ////// /// Set the content for the specified region /// public override void SetEditableDesignerRegionContent(EditableDesignerRegion region, string content) { Debug.Assert(region != null); _zone.ZoneTemplate = ControlParser.ParseTemplate((IDesignerHost)Component.Site.GetService(typeof(IDesignerHost)), content); IsDirtyInternal = true; } private sealed class WebPartEditableDesignerRegion : TemplatedEditableDesignerRegion { private WebPartZoneBase _zone; public WebPartEditableDesignerRegion(WebPartZoneBase zone, TemplateDefinition templateDefinition) : base(templateDefinition) { _zone = zone; } public override ViewRendering GetChildViewRendering(Control control) { if (control == null) { throw new ArgumentNullException("control"); } DesignerWebPartChrome chrome = new DesignerWebPartChrome(_zone); return chrome.GetViewRendering(control); } } } } // 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
- ArgumentException.cs
- SchemaNotation.cs
- altserialization.cs
- QilTypeChecker.cs
- COM2Properties.cs
- CallbackBehaviorAttribute.cs
- SqlCommandBuilder.cs
- VisualBasicImportReference.cs
- Int64Storage.cs
- DesignerActionKeyboardBehavior.cs
- DataGridViewRowStateChangedEventArgs.cs
- SkipStoryboardToFill.cs
- DefaultBinder.cs
- ThumbAutomationPeer.cs
- RsaSecurityToken.cs
- WorkflowTerminatedException.cs
- ExpressionBuilderContext.cs
- DbConnectionPoolOptions.cs
- XmlSchemaAppInfo.cs
- DbProviderManifest.cs
- TableAutomationPeer.cs
- DataTableClearEvent.cs
- DateTimeFormat.cs
- MimeXmlReflector.cs
- OdbcError.cs
- SByte.cs
- UnsafeNativeMethods.cs
- StorageSetMapping.cs
- KeyGestureConverter.cs
- NativeCompoundFileAPIs.cs
- DocumentEventArgs.cs
- WinFormsComponentEditor.cs
- XmlDocumentType.cs
- SemanticAnalyzer.cs
- EdmTypeAttribute.cs
- MessagingActivityHelper.cs
- SendOperation.cs
- RepeatBehaviorConverter.cs
- LockedBorderGlyph.cs
- ControlCollection.cs
- TextPointerBase.cs
- DispatcherTimer.cs
- ColorPalette.cs
- ZipPackage.cs
- SyndicationElementExtensionCollection.cs
- QueueException.cs
- Form.cs
- NonVisualControlAttribute.cs
- EditorPartChrome.cs
- ContainerParaClient.cs
- ChannelFactoryRefCache.cs
- VisualStateChangedEventArgs.cs
- BinarySerializer.cs
- ParserHooks.cs
- KeyFrames.cs
- MenuBindingsEditor.cs
- MailWriter.cs
- MappingMetadataHelper.cs
- SpotLight.cs
- FixedDocumentSequencePaginator.cs
- nulltextcontainer.cs
- XmlAttributes.cs
- RootAction.cs
- x509utils.cs
- SystemIPv4InterfaceProperties.cs
- ConfigurationManagerInternal.cs
- WebPartCatalogCloseVerb.cs
- ResourceSet.cs
- CancelRequestedRecord.cs
- SmtpException.cs
- DropDownList.cs
- WebPartMovingEventArgs.cs
- SessionState.cs
- Geometry3D.cs
- AssemblyBuilder.cs
- Or.cs
- DataContractSerializer.cs
- AssertUtility.cs
- MessageQueueInstaller.cs
- DateBoldEvent.cs
- MappingModelBuildProvider.cs
- PackUriHelper.cs
- TreeViewCancelEvent.cs
- ExpressionBuilderContext.cs
- EntityReference.cs
- QueryCacheKey.cs
- LinkButton.cs
- ConsoleKeyInfo.cs
- PropertyNames.cs
- FontSizeConverter.cs
- RepeaterItemCollection.cs
- StringValidator.cs
- BaseDataList.cs
- WebPartConnectionsCancelEventArgs.cs
- Utils.cs
- XpsFilter.cs
- WebBrowserContainer.cs
- UInt64Converter.cs
- HttpResponseHeader.cs
- BamlRecordHelper.cs