Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WebForms / System / Web / UI / Design / WebParts / EditorZoneDesigner.cs / 1 / EditorZoneDesigner.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 EditorZoneDesigner : ToolZoneDesigner { private static DesignerAutoFormatCollection _autoFormats; private EditorZone _zone; private TemplateGroup _templateGroup; public override DesignerAutoFormatCollection AutoFormats { get { if (_autoFormats == null) { _autoFormats = CreateAutoFormats(AutoFormatSchemes.EDITORZONE_SCHEMES, delegate(DataRow schemeData) { return new EditorZoneAutoFormat(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 { EditorZone zone = (EditorZone)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 (regions != null && 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(); EditorPartEditableDesignerRegion region = new EditorPartEditableDesignerRegion(zone, TemplateDefinition); // Tells Venus that all controls inside the EditableRegion should be parented to the zone region.Properties[typeof(Control)] = zone; region.IsSingleInstanceTemplate = true; region.Description = SR.GetString(SR.ContainerControlDesigner_RegionWatermark); regions.Add(region); } designTimeHtml = base.GetDesignTimeHtml(); } // Don't substitute the placeholder if this is the AutoFormat PreviewControl if (ViewInBrowseMode && zone.ID != EditorZoneAutoFormat.PreviewControlID) { designTimeHtml = CreatePlaceHolderDesignTimeHtml(); } } 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.EditorZoneDesigner_Empty)); } public override void Initialize(IComponent component) { VerifyInitializeArgument(component, typeof(EditorZone)); base.Initialize(component); _zone = (EditorZone)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 EditorPartEditableDesignerRegion : TemplatedEditableDesignerRegion { private EditorZone _zone; public EditorPartEditableDesignerRegion(EditorZone zone, TemplateDefinition templateDefinition) : base(templateDefinition) { _zone = zone; } public override ViewRendering GetChildViewRendering(Control control) { if (control == null) { throw new ArgumentNullException("control"); } DesignerEditorPartChrome chrome = new DesignerEditorPartChrome(_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
- InputProcessorProfilesLoader.cs
- DirectoryRootQuery.cs
- MenuItem.cs
- StringReader.cs
- EasingKeyFrames.cs
- RandomDelayQueuedSendsAsyncResult.cs
- ClientFactory.cs
- GridViewColumn.cs
- MemberPathMap.cs
- CellConstant.cs
- PeerObject.cs
- MailWebEventProvider.cs
- SecurityManager.cs
- cookieexception.cs
- PerformanceCounterPermission.cs
- TargetInvocationException.cs
- FieldDescriptor.cs
- ConnectionStringsExpressionBuilder.cs
- Function.cs
- RouteItem.cs
- DecoderExceptionFallback.cs
- CanonicalFontFamilyReference.cs
- TableRow.cs
- dataSvcMapFileLoader.cs
- InternalUserCancelledException.cs
- ExecutionEngineException.cs
- ParameterElementCollection.cs
- ErrorEventArgs.cs
- Int64Animation.cs
- UnsafeNativeMethods.cs
- Pens.cs
- DefaultBinder.cs
- DesignerSerializationOptionsAttribute.cs
- EditorZoneAutoFormat.cs
- Classification.cs
- InstanceCollisionException.cs
- XmlConvert.cs
- BatchParser.cs
- RootBrowserWindowProxy.cs
- Intellisense.cs
- HashStream.cs
- EntityDataSourceChangingEventArgs.cs
- DirtyTextRange.cs
- XmlSchemaDatatype.cs
- PolyQuadraticBezierSegment.cs
- IndentTextWriter.cs
- ButtonFieldBase.cs
- ApplicationServicesHostFactory.cs
- ProfileManager.cs
- BindingSource.cs
- X509ChainElement.cs
- SetMemberBinder.cs
- SqlServices.cs
- CompareInfo.cs
- ElapsedEventArgs.cs
- PaintValueEventArgs.cs
- dbenumerator.cs
- AssemblyBuilder.cs
- OracleDataAdapter.cs
- PageBreakRecord.cs
- ServiceContractViewControl.Designer.cs
- PartialToken.cs
- CodeNamespaceCollection.cs
- WinCategoryAttribute.cs
- DataGridViewTextBoxCell.cs
- ClientSettings.cs
- ResourceAssociationSet.cs
- AuthorizationSection.cs
- WmiEventSink.cs
- Helpers.cs
- ListSortDescriptionCollection.cs
- IntSecurity.cs
- TextTreePropertyUndoUnit.cs
- EnumMember.cs
- ProfileGroupSettingsCollection.cs
- FileDialog_Vista_Interop.cs
- XPathMultyIterator.cs
- FileDialogPermission.cs
- PersonalizationAdministration.cs
- HorizontalAlignConverter.cs
- X509Certificate.cs
- SerialErrors.cs
- XPathDocumentNavigator.cs
- DynamicValueConverter.cs
- DBDataPermissionAttribute.cs
- XmlSchemaAll.cs
- XmlWriter.cs
- ImageMetadata.cs
- RadioButton.cs
- ConstantExpression.cs
- SystemWebSectionGroup.cs
- WebPartConnectionsCancelEventArgs.cs
- XmlLinkedNode.cs
- Blend.cs
- EmptyArray.cs
- CommonProperties.cs
- TableCell.cs
- Point4DConverter.cs
- SoapExtensionReflector.cs
- InputGestureCollection.cs