Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / DynamicData / DynamicData / DynamicDataManager.cs / 1305376 / DynamicDataManager.cs
namespace System.Web.DynamicData {
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Drawing;
using System.Globalization;
using System.Security.Permissions;
using System.Web.Resources;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.DynamicData.Util;
using System.Data.Objects;
#if !ORYX_VNEXT
using IDataBoundControlInterface = System.Web.UI.WebControls.IDataBoundControl;
#else
using IDataBoundControlInterface = System.Web.DynamicData.Util.IDataBoundControl;
using LinqDataSource = Microsoft.Web.Data.UI.WebControls.LinqDataSource;
using LinqDataSourceContextEventArgs = Microsoft.Web.Data.UI.WebControls.LinqDataSourceContextEventArgs;
#endif
///
/// Adds behavior to certain control to make them work with Dynamic Data
///
[NonVisualControl()]
[ParseChildren(true)]
[PersistChildren(false)]
[ToolboxBitmap(typeof(DynamicDataManager), "DynamicDataManager.bmp")]
#if !ORYX_VNEXT
[Designer("System.Web.DynamicData.Design.DynamicDataManagerDesigner, " + AssemblyRef.SystemWebDynamicDataDesign)]
#endif
public class DynamicDataManager : Control {
private DataControlReferenceCollection _dataControls;
// Key is used as the set of registered data source controls. Value is ignored.
private Dictionary _dataSources = new Dictionary();
///
/// Causes foreign entities to be loaded as well setting the proper DataLoadOptions.
/// Only works with Linq To Sql.
///
[
Category("Behavior"),
DefaultValue(false),
ResourceDescription("DynamicDataManager_AutoLoadForeignKeys")
]
public bool AutoLoadForeignKeys {
get;
set;
}
#if !ORYX_VNEXT
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
EditorBrowsable(EditorBrowsableState.Never)
]
public override string ClientID {
get {
return base.ClientID;
}
}
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
EditorBrowsable(EditorBrowsableState.Never)
]
public override ClientIDMode ClientIDMode {
get {
return base.ClientIDMode;
}
set {
throw new NotImplementedException();
}
}
#endif
[
Category("Behavior"),
DefaultValue(null),
PersistenceMode(PersistenceMode.InnerProperty),
MergableProperty(false),
]
public DataControlReferenceCollection DataControls {
get {
if (_dataControls == null) {
_dataControls = new DataControlReferenceCollection(this);
}
return _dataControls;
}
}
///
/// See base class documentation
///
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
EditorBrowsable(EditorBrowsableState.Never)
]
public override bool Visible {
get {
return base.Visible;
}
set {
throw new NotImplementedException();
}
}
///
/// See base class documentation
///
[SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")]
protected override void OnInit(EventArgs e) {
base.OnInit(e);
// Initialize the collection
DataControls.Initialize();
// Subscribe to the Page's Init to register the controls set in the DataControls collection
Page.Init += OnPageInit;
}
private void OnPageInit(object sender, EventArgs e) {
foreach (DataControlReference controlReference in DataControls) {
Control targetControl = Misc.FindControl(this, controlReference.ControlID);
if (targetControl == null) {
throw new InvalidOperationException(
String.Format(CultureInfo.CurrentCulture,
DynamicDataResources.DynamicDataManager_ControlNotFound,
controlReference.ControlID));
}
RegisterControl(targetControl);
}
}
///
/// See base class documentation
///
[SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")]
protected override void OnLoad(EventArgs e) {
base.OnLoad(e);
// Go through all the registered data sources
foreach (IDynamicDataSource dataSource in _dataSources.Keys) {
// Expand any dynamic where parameters that they may use
dataSource.ExpandDynamicWhereParameters();
}
}
///
/// Register a data control to give it Dynamic Data behavior
///
///
public void RegisterControl(Control control) {
RegisterControl(control, false);
}
///
/// Register a data control to give it Dynamic Data behavior
///
/// When true, if a primary key is found in the route values
/// (typically on the query string), it will get be set as the selected item. This only applies
/// to list controls.
public void RegisterControl(Control control, bool setSelectionFromUrl) {
//
if (DesignMode) {
return;
}
IDataBoundControlInterface dataBoundControl = DataControlHelper.GetDataBoundControl(control, true /*failIfNotFound*/);
// If we can't get an associated IDynamicDataSource, don't do anything
IDynamicDataSource dataSource = dataBoundControl.DataSourceObject as IDynamicDataSource;
if (dataSource == null) {
return;
}
// If we can't get a MetaTable from the data source, don't do anything
MetaTable table = MetaTableHelper.GetTableWithFullFallback(dataSource, Context.ToWrapper());
// Save the datasource so we can process its parameters in OnLoad. The value we set is irrelevant
_dataSources[dataSource] = null;
((INamingContainer)control).SetMetaTable(table);
BaseDataBoundControl baseDataBoundControl = control as BaseDataBoundControl;
if (baseDataBoundControl != null) {
EnablePersistedSelection(baseDataBoundControl, table);
}
RegisterControlInternal(dataBoundControl, dataSource, table, setSelectionFromUrl, Page.IsPostBack);
}
internal static void EnablePersistedSelection(BaseDataBoundControl baseDataBoundControl, IMetaTable table) {
Debug.Assert(baseDataBoundControl != null, "NULL!");
// Make the persisted selection [....] up with the selected index if possible
if (!table.IsReadOnly) {
DynamicDataExtensions.EnablePersistedSelectionInternal(baseDataBoundControl);
}
}
internal void RegisterControlInternal(IDataBoundControlInterface dataBoundControl, IDynamicDataSource dataSource, IMetaTable table, bool setSelectionFromUrl, bool isPostBack) {
// Set the auto field generator (for controls that support it - GridView and DetailsView)
#if ORYX_VNEXT
dataBoundControl.FieldsGenerator = new DefaultAutoFieldGenerator(table);
#else
IFieldControl fieldControl = dataBoundControl as IFieldControl;
if (fieldControl != null) {
fieldControl.FieldsGenerator = new DefaultAutoFieldGenerator(table);
}
#endif
var linqDataSource = dataSource as LinqDataSource;
var entityDataSource = dataSource as EntityDataSource;
// If the context type is not set, we need to set it
if (dataSource.ContextType == null) {
dataSource.ContextType = table.DataContextType;
// If it's a LinqDataSurce, register for ContextCreating so the context gets created using the correct ctor
// Ideally, this would work with other datasource, but we just don't have the right abstraction
if (linqDataSource != null) {
linqDataSource.ContextCreating += delegate(object sender, LinqDataSourceContextEventArgs e) {
e.ObjectInstance = table.CreateContext();
};
}
if (entityDataSource != null) {
entityDataSource.ContextCreating += delegate(object sender, EntityDataSourceContextCreatingEventArgs e) {
e.Context = (ObjectContext)table.CreateContext();
};
}
}
// If the datasource doesn't have an EntitySetName (aka TableName), set it from the meta table
if (String.IsNullOrEmpty(dataSource.EntitySetName)) {
dataSource.EntitySetName = table.DataContextPropertyName;
}
// If there is no Where clause, turn on auto generate
if (String.IsNullOrEmpty(dataSource.Where)) {
dataSource.AutoGenerateWhereClause = true;
}
// If it's a LinqDataSource and the flag is set, pre load the foreign keys
if (AutoLoadForeignKeys && linqDataSource != null) {
linqDataSource.LoadWithForeignKeys(table.EntityType);
}
if (!isPostBack) {
if (table.HasPrimaryKey) {
dataBoundControl.DataKeyNames = table.PrimaryKeyNames;
// Set the virtual selection from the URL if needed
var dataKeySelector = dataBoundControl as IPersistedSelector;
if (dataKeySelector != null && setSelectionFromUrl) {
DataKey dataKey = table.GetDataKeyFromRoute();
if (dataKey != null) {
dataKeySelector.DataKey = dataKey;
}
}
#if ORYX_VNEXT
dataBoundControl.EnableModelValidation = true;
#endif
}
else {
#if ORYX_VNEXT
dataBoundControl.EnableModelValidation = false;
#endif
}
}
}
internal static IControlParameterTarget GetControlParameterTarget(Control control) {
#if ORYX_VNEXT
if (control is IControlParameterTarget)
return (IControlParameterTarget)control;
return (IControlParameterTarget)DataControlHelper.GetControlAdapter(control);
#else
return (control as IControlParameterTarget) ?? new DataBoundControlParameterTarget(control);
#endif
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
namespace System.Web.DynamicData {
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.Drawing;
using System.Globalization;
using System.Security.Permissions;
using System.Web.Resources;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.DynamicData.Util;
using System.Data.Objects;
#if !ORYX_VNEXT
using IDataBoundControlInterface = System.Web.UI.WebControls.IDataBoundControl;
#else
using IDataBoundControlInterface = System.Web.DynamicData.Util.IDataBoundControl;
using LinqDataSource = Microsoft.Web.Data.UI.WebControls.LinqDataSource;
using LinqDataSourceContextEventArgs = Microsoft.Web.Data.UI.WebControls.LinqDataSourceContextEventArgs;
#endif
///
/// Adds behavior to certain control to make them work with Dynamic Data
///
[NonVisualControl()]
[ParseChildren(true)]
[PersistChildren(false)]
[ToolboxBitmap(typeof(DynamicDataManager), "DynamicDataManager.bmp")]
#if !ORYX_VNEXT
[Designer("System.Web.DynamicData.Design.DynamicDataManagerDesigner, " + AssemblyRef.SystemWebDynamicDataDesign)]
#endif
public class DynamicDataManager : Control {
private DataControlReferenceCollection _dataControls;
// Key is used as the set of registered data source controls. Value is ignored.
private Dictionary _dataSources = new Dictionary();
///
/// Causes foreign entities to be loaded as well setting the proper DataLoadOptions.
/// Only works with Linq To Sql.
///
[
Category("Behavior"),
DefaultValue(false),
ResourceDescription("DynamicDataManager_AutoLoadForeignKeys")
]
public bool AutoLoadForeignKeys {
get;
set;
}
#if !ORYX_VNEXT
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
EditorBrowsable(EditorBrowsableState.Never)
]
public override string ClientID {
get {
return base.ClientID;
}
}
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
EditorBrowsable(EditorBrowsableState.Never)
]
public override ClientIDMode ClientIDMode {
get {
return base.ClientIDMode;
}
set {
throw new NotImplementedException();
}
}
#endif
[
Category("Behavior"),
DefaultValue(null),
PersistenceMode(PersistenceMode.InnerProperty),
MergableProperty(false),
]
public DataControlReferenceCollection DataControls {
get {
if (_dataControls == null) {
_dataControls = new DataControlReferenceCollection(this);
}
return _dataControls;
}
}
///
/// See base class documentation
///
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
EditorBrowsable(EditorBrowsableState.Never)
]
public override bool Visible {
get {
return base.Visible;
}
set {
throw new NotImplementedException();
}
}
///
/// See base class documentation
///
[SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")]
protected override void OnInit(EventArgs e) {
base.OnInit(e);
// Initialize the collection
DataControls.Initialize();
// Subscribe to the Page's Init to register the controls set in the DataControls collection
Page.Init += OnPageInit;
}
private void OnPageInit(object sender, EventArgs e) {
foreach (DataControlReference controlReference in DataControls) {
Control targetControl = Misc.FindControl(this, controlReference.ControlID);
if (targetControl == null) {
throw new InvalidOperationException(
String.Format(CultureInfo.CurrentCulture,
DynamicDataResources.DynamicDataManager_ControlNotFound,
controlReference.ControlID));
}
RegisterControl(targetControl);
}
}
///
/// See base class documentation
///
[SuppressMessage("Microsoft.Security", "CA2109:ReviewVisibleEventHandlers")]
protected override void OnLoad(EventArgs e) {
base.OnLoad(e);
// Go through all the registered data sources
foreach (IDynamicDataSource dataSource in _dataSources.Keys) {
// Expand any dynamic where parameters that they may use
dataSource.ExpandDynamicWhereParameters();
}
}
///
/// Register a data control to give it Dynamic Data behavior
///
///
public void RegisterControl(Control control) {
RegisterControl(control, false);
}
///
/// Register a data control to give it Dynamic Data behavior
///
/// When true, if a primary key is found in the route values
/// (typically on the query string), it will get be set as the selected item. This only applies
/// to list controls.
public void RegisterControl(Control control, bool setSelectionFromUrl) {
//
if (DesignMode) {
return;
}
IDataBoundControlInterface dataBoundControl = DataControlHelper.GetDataBoundControl(control, true /*failIfNotFound*/);
// If we can't get an associated IDynamicDataSource, don't do anything
IDynamicDataSource dataSource = dataBoundControl.DataSourceObject as IDynamicDataSource;
if (dataSource == null) {
return;
}
// If we can't get a MetaTable from the data source, don't do anything
MetaTable table = MetaTableHelper.GetTableWithFullFallback(dataSource, Context.ToWrapper());
// Save the datasource so we can process its parameters in OnLoad. The value we set is irrelevant
_dataSources[dataSource] = null;
((INamingContainer)control).SetMetaTable(table);
BaseDataBoundControl baseDataBoundControl = control as BaseDataBoundControl;
if (baseDataBoundControl != null) {
EnablePersistedSelection(baseDataBoundControl, table);
}
RegisterControlInternal(dataBoundControl, dataSource, table, setSelectionFromUrl, Page.IsPostBack);
}
internal static void EnablePersistedSelection(BaseDataBoundControl baseDataBoundControl, IMetaTable table) {
Debug.Assert(baseDataBoundControl != null, "NULL!");
// Make the persisted selection [....] up with the selected index if possible
if (!table.IsReadOnly) {
DynamicDataExtensions.EnablePersistedSelectionInternal(baseDataBoundControl);
}
}
internal void RegisterControlInternal(IDataBoundControlInterface dataBoundControl, IDynamicDataSource dataSource, IMetaTable table, bool setSelectionFromUrl, bool isPostBack) {
// Set the auto field generator (for controls that support it - GridView and DetailsView)
#if ORYX_VNEXT
dataBoundControl.FieldsGenerator = new DefaultAutoFieldGenerator(table);
#else
IFieldControl fieldControl = dataBoundControl as IFieldControl;
if (fieldControl != null) {
fieldControl.FieldsGenerator = new DefaultAutoFieldGenerator(table);
}
#endif
var linqDataSource = dataSource as LinqDataSource;
var entityDataSource = dataSource as EntityDataSource;
// If the context type is not set, we need to set it
if (dataSource.ContextType == null) {
dataSource.ContextType = table.DataContextType;
// If it's a LinqDataSurce, register for ContextCreating so the context gets created using the correct ctor
// Ideally, this would work with other datasource, but we just don't have the right abstraction
if (linqDataSource != null) {
linqDataSource.ContextCreating += delegate(object sender, LinqDataSourceContextEventArgs e) {
e.ObjectInstance = table.CreateContext();
};
}
if (entityDataSource != null) {
entityDataSource.ContextCreating += delegate(object sender, EntityDataSourceContextCreatingEventArgs e) {
e.Context = (ObjectContext)table.CreateContext();
};
}
}
// If the datasource doesn't have an EntitySetName (aka TableName), set it from the meta table
if (String.IsNullOrEmpty(dataSource.EntitySetName)) {
dataSource.EntitySetName = table.DataContextPropertyName;
}
// If there is no Where clause, turn on auto generate
if (String.IsNullOrEmpty(dataSource.Where)) {
dataSource.AutoGenerateWhereClause = true;
}
// If it's a LinqDataSource and the flag is set, pre load the foreign keys
if (AutoLoadForeignKeys && linqDataSource != null) {
linqDataSource.LoadWithForeignKeys(table.EntityType);
}
if (!isPostBack) {
if (table.HasPrimaryKey) {
dataBoundControl.DataKeyNames = table.PrimaryKeyNames;
// Set the virtual selection from the URL if needed
var dataKeySelector = dataBoundControl as IPersistedSelector;
if (dataKeySelector != null && setSelectionFromUrl) {
DataKey dataKey = table.GetDataKeyFromRoute();
if (dataKey != null) {
dataKeySelector.DataKey = dataKey;
}
}
#if ORYX_VNEXT
dataBoundControl.EnableModelValidation = true;
#endif
}
else {
#if ORYX_VNEXT
dataBoundControl.EnableModelValidation = false;
#endif
}
}
}
internal static IControlParameterTarget GetControlParameterTarget(Control control) {
#if ORYX_VNEXT
if (control is IControlParameterTarget)
return (IControlParameterTarget)control;
return (IControlParameterTarget)DataControlHelper.GetControlAdapter(control);
#else
return (control as IControlParameterTarget) ?? new DataBoundControlParameterTarget(control);
#endif
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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