Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / xsp / System / Web / UI / WebParts / RowToFieldTransformer.cs / 1 / RowToFieldTransformer.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls.WebParts { using System; using System.ComponentModel; using System.Diagnostics; using System.Security.Permissions; using System.Web.UI.WebControls; [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [WebPartTransformer(typeof(IWebPartRow), typeof(IWebPartField))] public sealed class RowToFieldTransformer : WebPartTransformer, IWebPartField { private IWebPartRow _provider; private string _fieldName; // We know there is only 1 RowCallback, since transformers can only have 1 consumer private FieldCallback _callback; public override Control CreateConfigurationControl() { return new RowToFieldConfigurationWizard(this); } public string FieldName { get { return (_fieldName != null) ? _fieldName : String.Empty; } set { _fieldName = value; } } private PropertyDescriptorCollection ProviderSchema { get { return (_provider != null) ? _provider.Schema : null; } } private void GetRowData(object rowData) { Debug.Assert(_callback != null); object fieldValue = null; if (rowData != null) { PropertyDescriptor prop = ((IWebPartField)this).Schema; if (prop != null) { fieldValue = prop.GetValue(rowData); } } _callback(fieldValue); } protected internal override void LoadConfigurationState(object savedState) { _fieldName = (string)savedState; } protected internal override object SaveConfigurationState() { return _fieldName; } public override object Transform(object providerData) { _provider = (IWebPartRow)providerData; return this; } #region Implementation of IWebPartField void IWebPartField.GetFieldValue(FieldCallback callback) { if (callback == null) { throw new ArgumentNullException("callback"); } if (_provider != null) { _callback = callback; _provider.GetRowData(new RowCallback(GetRowData)); } else { callback(null); } } PropertyDescriptor IWebPartField.Schema { get { PropertyDescriptorCollection schema = ProviderSchema; return (schema != null) ? schema.Find(FieldName, /* ignoreCase */ true) : null; } } #endregion private sealed class RowToFieldConfigurationWizard : TransformerConfigurationWizardBase { private DropDownList _fieldName; private RowToFieldTransformer _owner; private const string fieldNameID = "FieldName"; public RowToFieldConfigurationWizard(RowToFieldTransformer owner) { Debug.Assert(owner != null); _owner = owner; } // Dummy consumer schema protected override PropertyDescriptorCollection ConsumerSchema { get { return null; } } protected override PropertyDescriptorCollection ProviderSchema { get { return _owner.ProviderSchema; } } protected override void CreateWizardSteps() { // The WizardSteps should be empty when this is called Debug.Assert(WizardSteps.Count == 0); WizardStep s = new WizardStep(); _fieldName = new DropDownList(); _fieldName.ID = fieldNameID; if (OldProviderNames != null) { for (int i=0; i < OldProviderNames.Length / 2; i++) { ListItem item = new ListItem(OldProviderNames[2*i], OldProviderNames[2*i + 1]); // Ignore case when setting selected value, since we ignore case when // returing the connection data. (VSWhidbey 434566) if (String.Equals(item.Value, _owner.FieldName, StringComparison.OrdinalIgnoreCase)) { item.Selected = true; } _fieldName.Items.Add(item); } } else { _fieldName.Items.Add(new ListItem(SR.GetString(SR.RowToFieldTransformer_NoProviderSchema))); _fieldName.Enabled = false; } Label fieldNameLabel = new Label(); fieldNameLabel.Text = SR.GetString(SR.RowToFieldTransformer_FieldName); fieldNameLabel.AssociatedControlID = _fieldName.ID; s.Controls.Add(fieldNameLabel); s.Controls.Add(new LiteralControl(" ")); s.Controls.Add(_fieldName); WizardSteps.Add(s); } protected override void OnFinishButtonClick(WizardNavigationEventArgs e) { Debug.Assert(_fieldName != null); string selectedFieldName = null; if (_fieldName.Enabled) { selectedFieldName = _fieldName.SelectedValue; } _owner.FieldName = selectedFieldName; base.OnFinishButtonClick(e); } } } } // 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.ComponentModel; using System.Diagnostics; using System.Security.Permissions; using System.Web.UI.WebControls; [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [WebPartTransformer(typeof(IWebPartRow), typeof(IWebPartField))] public sealed class RowToFieldTransformer : WebPartTransformer, IWebPartField { private IWebPartRow _provider; private string _fieldName; // We know there is only 1 RowCallback, since transformers can only have 1 consumer private FieldCallback _callback; public override Control CreateConfigurationControl() { return new RowToFieldConfigurationWizard(this); } public string FieldName { get { return (_fieldName != null) ? _fieldName : String.Empty; } set { _fieldName = value; } } private PropertyDescriptorCollection ProviderSchema { get { return (_provider != null) ? _provider.Schema : null; } } private void GetRowData(object rowData) { Debug.Assert(_callback != null); object fieldValue = null; if (rowData != null) { PropertyDescriptor prop = ((IWebPartField)this).Schema; if (prop != null) { fieldValue = prop.GetValue(rowData); } } _callback(fieldValue); } protected internal override void LoadConfigurationState(object savedState) { _fieldName = (string)savedState; } protected internal override object SaveConfigurationState() { return _fieldName; } public override object Transform(object providerData) { _provider = (IWebPartRow)providerData; return this; } #region Implementation of IWebPartField void IWebPartField.GetFieldValue(FieldCallback callback) { if (callback == null) { throw new ArgumentNullException("callback"); } if (_provider != null) { _callback = callback; _provider.GetRowData(new RowCallback(GetRowData)); } else { callback(null); } } PropertyDescriptor IWebPartField.Schema { get { PropertyDescriptorCollection schema = ProviderSchema; return (schema != null) ? schema.Find(FieldName, /* ignoreCase */ true) : null; } } #endregion private sealed class RowToFieldConfigurationWizard : TransformerConfigurationWizardBase { private DropDownList _fieldName; private RowToFieldTransformer _owner; private const string fieldNameID = "FieldName"; public RowToFieldConfigurationWizard(RowToFieldTransformer owner) { Debug.Assert(owner != null); _owner = owner; } // Dummy consumer schema protected override PropertyDescriptorCollection ConsumerSchema { get { return null; } } protected override PropertyDescriptorCollection ProviderSchema { get { return _owner.ProviderSchema; } } protected override void CreateWizardSteps() { // The WizardSteps should be empty when this is called Debug.Assert(WizardSteps.Count == 0); WizardStep s = new WizardStep(); _fieldName = new DropDownList(); _fieldName.ID = fieldNameID; if (OldProviderNames != null) { for (int i=0; i < OldProviderNames.Length / 2; i++) { ListItem item = new ListItem(OldProviderNames[2*i], OldProviderNames[2*i + 1]); // Ignore case when setting selected value, since we ignore case when // returing the connection data. (VSWhidbey 434566) if (String.Equals(item.Value, _owner.FieldName, StringComparison.OrdinalIgnoreCase)) { item.Selected = true; } _fieldName.Items.Add(item); } } else { _fieldName.Items.Add(new ListItem(SR.GetString(SR.RowToFieldTransformer_NoProviderSchema))); _fieldName.Enabled = false; } Label fieldNameLabel = new Label(); fieldNameLabel.Text = SR.GetString(SR.RowToFieldTransformer_FieldName); fieldNameLabel.AssociatedControlID = _fieldName.ID; s.Controls.Add(fieldNameLabel); s.Controls.Add(new LiteralControl(" ")); s.Controls.Add(_fieldName); WizardSteps.Add(s); } protected override void OnFinishButtonClick(WizardNavigationEventArgs e) { Debug.Assert(_fieldName != null); string selectedFieldName = null; if (_fieldName.Enabled) { selectedFieldName = _fieldName.SelectedValue; } _owner.FieldName = selectedFieldName; base.OnFinishButtonClick(e); } } } } // 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
- SqlBulkCopyColumnMapping.cs
- MsmqHostedTransportManager.cs
- SqlUtils.cs
- Parameter.cs
- EntityModelBuildProvider.cs
- KeyInfo.cs
- WithParamAction.cs
- ExpressionBuilderCollection.cs
- StorageRoot.cs
- SupportsEventValidationAttribute.cs
- Point3DAnimationBase.cs
- FileDialogPermission.cs
- EpmCustomContentDeSerializer.cs
- DispatcherTimer.cs
- NodeFunctions.cs
- ComponentCommands.cs
- ToolStripRenderEventArgs.cs
- DataBinder.cs
- XmlTextReader.cs
- MultipartContentParser.cs
- XslAst.cs
- DocumentViewerHelper.cs
- Section.cs
- COM2ColorConverter.cs
- HtmlTable.cs
- WindowsRebar.cs
- CryptoApi.cs
- ExpressionBinding.cs
- LookupNode.cs
- GeneralTransform2DTo3DTo2D.cs
- CachedCompositeFamily.cs
- RemotingAttributes.cs
- SerializationInfo.cs
- ViewPort3D.cs
- DBCommand.cs
- StringInfo.cs
- PassportAuthentication.cs
- Animatable.cs
- ErrorEventArgs.cs
- TreeViewImageKeyConverter.cs
- HttpListenerPrefixCollection.cs
- CloudCollection.cs
- TypeDependencyAttribute.cs
- XmlElementCollection.cs
- PropertyFilter.cs
- HtmlEmptyTagControlBuilder.cs
- ColumnWidthChangingEvent.cs
- FrameworkElementFactoryMarkupObject.cs
- System.Data.OracleClient_BID.cs
- EntityCollection.cs
- DbgUtil.cs
- SqlDelegatedTransaction.cs
- RuntimeResourceSet.cs
- JoinTreeSlot.cs
- WorkflowPersistenceService.cs
- BrowsableAttribute.cs
- DetailsViewDeleteEventArgs.cs
- FileDataSourceCache.cs
- UnsettableComboBox.cs
- BitmapScalingModeValidation.cs
- HTTPRemotingHandler.cs
- DataBoundLiteralControl.cs
- DragCompletedEventArgs.cs
- BitmapEffectInputData.cs
- CheckBoxPopupAdapter.cs
- ChildrenQuery.cs
- DocumentPageHost.cs
- XmlNotation.cs
- dsa.cs
- SystemFonts.cs
- WmlFormAdapter.cs
- ImageFormat.cs
- selecteditemcollection.cs
- CodeStatement.cs
- PerformanceCounterPermissionEntry.cs
- QueryRewriter.cs
- IntranetCredentialPolicy.cs
- EDesignUtil.cs
- DBDataPermissionAttribute.cs
- PingOptions.cs
- ProvidePropertyAttribute.cs
- ServiceObjectContainer.cs
- FutureFactory.cs
- IisTraceWebEventProvider.cs
- ObjectSecurity.cs
- VariantWrapper.cs
- XmlNodeList.cs
- AccessibleObject.cs
- UseAttributeSetsAction.cs
- SamlAuthorizationDecisionClaimResource.cs
- EventlogProvider.cs
- EnglishPluralizationService.cs
- AsyncResult.cs
- EventSinkActivity.cs
- TimelineGroup.cs
- ModuleBuilder.cs
- BuildProvider.cs
- UpdatableGenericsFeature.cs
- SizeF.cs
- TemplateAction.cs