Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / DataWebControlsDesign / System / Data / WebControls / Design / EntityDataSourceDesigner.cs / 1 / EntityDataSourceDesigner.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
// @backupOwner [....]
//-----------------------------------------------------------------------------
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing.Design;
using System.Web.UI.WebControls;
using System.Web.UI.Design;
using System.Windows.Forms;
using System.Web.UI.Design.WebControls.Util;
namespace System.Web.UI.Design.WebControls
{
public class EntityDataSourceDesigner : DataSourceDesigner
{
private EntityDataSourceDesignerHelper _helper;
public override void Initialize(IComponent component)
{
base.Initialize(component);
_helper = new EntityDataSourceDesignerHelper(component as EntityDataSource, true /*interactiveMode*/);
_helper.AddSystemWebEntityReference();
}
// Whether or not the EntityDataSource can be configured. Currently we have no conditions where you can't at least attempt to
// configure it. If there is no metadata available, an error may occur, but you can still try to configure the control.
public override bool CanConfigure
{
get
{
return true;
}
}
public override bool CanRefreshSchema
{
get
{
// Minimum properties required for schema are ConnectionString and DefaultContainerName, plus EntitySetName or CommandText
return (!String.IsNullOrEmpty(_helper.ConnectionString) && !String.IsNullOrEmpty(_helper.DefaultContainerName)) &&
(!String.IsNullOrEmpty(_helper.EntitySetName) || !String.IsNullOrEmpty(_helper.CommandText));
}
}
public override void Configure()
{
InvokeTransactedChange(Component,
new TransactedChangeCallback(ConfigureDataSourceChangeCallback),
null, Strings.WizardTransactionDescription);
}
private bool ConfigureDataSourceChangeCallback(object context)
{
try
{
SuppressDataSourceEvents();
IServiceProvider serviceProvider = Component.Site as IServiceProvider;
EntityDataSourceWizardForm form = new EntityDataSourceWizardForm(serviceProvider, _helper.LoadEntityDataSourceState(), this);
DialogResult result = UIHelper.ShowDialog(serviceProvider, form);
if (result == DialogResult.OK)
{
_helper.SaveEntityDataSourceProperties(form.EntityDataSourceState);
OnDataSourceChanged(EventArgs.Empty);
RefreshSchema(true);
return true;
}
else
{
return false;
}
}
finally
{
ResumeDataSourceEvents();
}
}
#region Design-time Schema Support
public override void RefreshSchema(bool preferSilent)
{
try
{
SuppressDataSourceEvents();
_helper.RefreshSchema(preferSilent);
}
finally
{
ResumeDataSourceEvents();
}
}
public override DesignerDataSourceView GetView(string viewName)
{
return _helper.GetView(viewName);
}
public override string[] GetViewNames()
{
return _helper.GetViewNames();
}
internal void FireOnDataSourceChanged(EventArgs e)
{
// Clear metadata first because anything we have cached is now invalid since a property has changed
_helper.ClearMetadata();
OnDataSourceChanged(e);
}
internal void FireOnSchemaRefreshed(EventArgs e)
{
OnSchemaRefreshed(e);
}
internal bool InternalViewSchemasEquivalent(IDataSourceViewSchema viewSchema1, IDataSourceViewSchema viewSchema2)
{
return ViewSchemasEquivalent(viewSchema1, viewSchema2);
}
internal virtual object LoadFromDesignerState(string key)
{
return DesignerState[key];
}
internal void SaveDesignerState(string key, object value)
{
DesignerState[key] = value;
}
#endregion
#region Overridden control properties for providing editors and dropdowns in property grid
[
DefaultValue(""),
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_DefaultContainerName),
TypeConverter(typeof(EntityDataSourceContainerNameConverter)),
]
public string DefaultContainerName
{
get
{
return _helper.DefaultContainerName;
}
set
{
_helper.DefaultContainerName = value;
}
}
[
DefaultValue(""),
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_EntitySetName),
TypeConverter(typeof(EntityDataSourceEntitySetNameConverter)),
]
public string EntitySetName
{
get
{
return _helper.EntitySetName;
}
set
{
_helper.EntitySetName = value;
}
}
[
DefaultValue(""),
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_EntityTypeFilter),
TypeConverter(typeof(EntityDataSourceEntityTypeFilterConverter)),
]
public string EntityTypeFilter
{
get
{
return _helper.EntityTypeFilter;
}
set
{
_helper.EntityTypeFilter = value;
}
}
[
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_CommandText),
DefaultValue(null),
Editor(typeof(EntityDataSourceStatementEditor), typeof(UITypeEditor)),
MergableProperty(false),
]
public string CommandText
{
get
{
return _helper.CommandText;
}
set
{
_helper.CommandText = value;
}
}
[
DefaultValue(""),
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_ConnectionString)
]
public string ConnectionString
{
get
{
return _helper.ConnectionString;
}
set
{
_helper.ConnectionString = value;
}
}
[
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_OrderBy),
DefaultValue(null),
Editor(typeof(EntityDataSourceStatementEditor), typeof(UITypeEditor)),
MergableProperty(false),
]
public string OrderBy
{
get
{
return _helper.OrderBy;
}
set
{
_helper.OrderBy = value;
}
}
[
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_Select),
DefaultValue(""),
Editor(typeof(EntityDataSourceStatementEditor), typeof(UITypeEditor)),
MergableProperty(false),
]
public string Select
{
get
{
return _helper.Select;
}
set
{
_helper.Select = value;
}
}
[
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_Where),
DefaultValue(null),
Editor(typeof(EntityDataSourceStatementEditor), typeof(UITypeEditor)),
MergableProperty(false),
]
public string Where
{
get
{
return _helper.Where;
}
set
{
_helper.Where = value;
}
}
#endregion
#region Helper methods to manage properties and parameters in the statement editor
internal bool AutoGenerateOrderByClause
{
get
{
return _helper.AutoGenerateOrderByClause;
}
}
internal bool AutoGenerateWhereClause
{
get
{
return _helper.AutoGenerateWhereClause;
}
}
internal ParameterCollection CloneCommandParameters()
{
return CloneParameterCollection(_helper.CommandParameters);
}
internal ParameterCollection CloneOrderByParameters()
{
return CloneParameterCollection(_helper.OrderByParameters);
}
internal ParameterCollection CloneSelectParameters()
{
return CloneParameterCollection(_helper.SelectParameters);
}
internal ParameterCollection CloneWhereParameters()
{
return CloneParameterCollection(_helper.WhereParameters);
}
private ParameterCollection CloneParameterCollection(ParameterCollection original)
{
ParameterCollection clones = new ParameterCollection();
CloneParameters(original, clones);
return clones;
}
internal void CloneParameters(ParameterCollection originalParameters, ParameterCollection newParameters)
{
foreach (ICloneable parameter in originalParameters)
{
Parameter clone = (Parameter)parameter.Clone();
RegisterClone(parameter, clone);
newParameters.Add(clone);
}
}
internal void SetCommandParameterContents(ParameterCollection newParams)
{
SetParameters(_helper.CommandParameters, newParams);
}
internal void SetOrderByParameterContents(ParameterCollection newParams)
{
SetParameters(_helper.OrderByParameters, newParams);
}
internal void SetSelectParameterContents(ParameterCollection newParams)
{
SetParameters(_helper.SelectParameters, newParams);
}
internal void SetWhereParameterContents(ParameterCollection newParams)
{
SetParameters(_helper.WhereParameters, newParams);
}
private void SetParameters(ParameterCollection original, ParameterCollection newParams)
{
original.Clear();
foreach (Parameter parameter in newParams)
{
original.Add(parameter);
}
}
#endregion
protected override void PreFilterProperties(System.Collections.IDictionary properties)
{
base.PreFilterProperties(properties);
// Properties that are overridden in the designer because they have custom editors or converters
Type designerType = GetType();
properties["ConnectionString"] = TypeDescriptor.CreateProperty(designerType, "ConnectionString", typeof(string));
properties["DefaultContainerName"] = TypeDescriptor.CreateProperty(designerType, "DefaultContainerName", typeof(string));
properties["EntitySetName"] = TypeDescriptor.CreateProperty(designerType, "EntitySetName", typeof(string));
properties["EntityTypeFilter"] = TypeDescriptor.CreateProperty(designerType, "EntityTypeFilter", typeof(string));
properties["CommandText"] = TypeDescriptor.CreateProperty(designerType, "CommandText", typeof(string));
properties["OrderBy"] = TypeDescriptor.CreateProperty(designerType, "OrderBy", typeof(string));
properties["Select"] = TypeDescriptor.CreateProperty(designerType, "Select", typeof(string));
properties["Where"] = TypeDescriptor.CreateProperty(designerType, "Where", typeof(string));
// Properties that should be browsable in intellisense, but not visible in the designer property grid
properties.Remove("ContextType");
}
internal EntityDataSourceDesignerHelper Helper
{
get
{
return _helper;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
// @backupOwner [....]
//-----------------------------------------------------------------------------
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Drawing.Design;
using System.Web.UI.WebControls;
using System.Web.UI.Design;
using System.Windows.Forms;
using System.Web.UI.Design.WebControls.Util;
namespace System.Web.UI.Design.WebControls
{
public class EntityDataSourceDesigner : DataSourceDesigner
{
private EntityDataSourceDesignerHelper _helper;
public override void Initialize(IComponent component)
{
base.Initialize(component);
_helper = new EntityDataSourceDesignerHelper(component as EntityDataSource, true /*interactiveMode*/);
_helper.AddSystemWebEntityReference();
}
// Whether or not the EntityDataSource can be configured. Currently we have no conditions where you can't at least attempt to
// configure it. If there is no metadata available, an error may occur, but you can still try to configure the control.
public override bool CanConfigure
{
get
{
return true;
}
}
public override bool CanRefreshSchema
{
get
{
// Minimum properties required for schema are ConnectionString and DefaultContainerName, plus EntitySetName or CommandText
return (!String.IsNullOrEmpty(_helper.ConnectionString) && !String.IsNullOrEmpty(_helper.DefaultContainerName)) &&
(!String.IsNullOrEmpty(_helper.EntitySetName) || !String.IsNullOrEmpty(_helper.CommandText));
}
}
public override void Configure()
{
InvokeTransactedChange(Component,
new TransactedChangeCallback(ConfigureDataSourceChangeCallback),
null, Strings.WizardTransactionDescription);
}
private bool ConfigureDataSourceChangeCallback(object context)
{
try
{
SuppressDataSourceEvents();
IServiceProvider serviceProvider = Component.Site as IServiceProvider;
EntityDataSourceWizardForm form = new EntityDataSourceWizardForm(serviceProvider, _helper.LoadEntityDataSourceState(), this);
DialogResult result = UIHelper.ShowDialog(serviceProvider, form);
if (result == DialogResult.OK)
{
_helper.SaveEntityDataSourceProperties(form.EntityDataSourceState);
OnDataSourceChanged(EventArgs.Empty);
RefreshSchema(true);
return true;
}
else
{
return false;
}
}
finally
{
ResumeDataSourceEvents();
}
}
#region Design-time Schema Support
public override void RefreshSchema(bool preferSilent)
{
try
{
SuppressDataSourceEvents();
_helper.RefreshSchema(preferSilent);
}
finally
{
ResumeDataSourceEvents();
}
}
public override DesignerDataSourceView GetView(string viewName)
{
return _helper.GetView(viewName);
}
public override string[] GetViewNames()
{
return _helper.GetViewNames();
}
internal void FireOnDataSourceChanged(EventArgs e)
{
// Clear metadata first because anything we have cached is now invalid since a property has changed
_helper.ClearMetadata();
OnDataSourceChanged(e);
}
internal void FireOnSchemaRefreshed(EventArgs e)
{
OnSchemaRefreshed(e);
}
internal bool InternalViewSchemasEquivalent(IDataSourceViewSchema viewSchema1, IDataSourceViewSchema viewSchema2)
{
return ViewSchemasEquivalent(viewSchema1, viewSchema2);
}
internal virtual object LoadFromDesignerState(string key)
{
return DesignerState[key];
}
internal void SaveDesignerState(string key, object value)
{
DesignerState[key] = value;
}
#endregion
#region Overridden control properties for providing editors and dropdowns in property grid
[
DefaultValue(""),
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_DefaultContainerName),
TypeConverter(typeof(EntityDataSourceContainerNameConverter)),
]
public string DefaultContainerName
{
get
{
return _helper.DefaultContainerName;
}
set
{
_helper.DefaultContainerName = value;
}
}
[
DefaultValue(""),
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_EntitySetName),
TypeConverter(typeof(EntityDataSourceEntitySetNameConverter)),
]
public string EntitySetName
{
get
{
return _helper.EntitySetName;
}
set
{
_helper.EntitySetName = value;
}
}
[
DefaultValue(""),
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_EntityTypeFilter),
TypeConverter(typeof(EntityDataSourceEntityTypeFilterConverter)),
]
public string EntityTypeFilter
{
get
{
return _helper.EntityTypeFilter;
}
set
{
_helper.EntityTypeFilter = value;
}
}
[
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_CommandText),
DefaultValue(null),
Editor(typeof(EntityDataSourceStatementEditor), typeof(UITypeEditor)),
MergableProperty(false),
]
public string CommandText
{
get
{
return _helper.CommandText;
}
set
{
_helper.CommandText = value;
}
}
[
DefaultValue(""),
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_ConnectionString)
]
public string ConnectionString
{
get
{
return _helper.ConnectionString;
}
set
{
_helper.ConnectionString = value;
}
}
[
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_OrderBy),
DefaultValue(null),
Editor(typeof(EntityDataSourceStatementEditor), typeof(UITypeEditor)),
MergableProperty(false),
]
public string OrderBy
{
get
{
return _helper.OrderBy;
}
set
{
_helper.OrderBy = value;
}
}
[
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_Select),
DefaultValue(""),
Editor(typeof(EntityDataSourceStatementEditor), typeof(UITypeEditor)),
MergableProperty(false),
]
public string Select
{
get
{
return _helper.Select;
}
set
{
_helper.Select = value;
}
}
[
Category("Data"),
ResourceDescription(WebControlsRes.PropertyDescription_Where),
DefaultValue(null),
Editor(typeof(EntityDataSourceStatementEditor), typeof(UITypeEditor)),
MergableProperty(false),
]
public string Where
{
get
{
return _helper.Where;
}
set
{
_helper.Where = value;
}
}
#endregion
#region Helper methods to manage properties and parameters in the statement editor
internal bool AutoGenerateOrderByClause
{
get
{
return _helper.AutoGenerateOrderByClause;
}
}
internal bool AutoGenerateWhereClause
{
get
{
return _helper.AutoGenerateWhereClause;
}
}
internal ParameterCollection CloneCommandParameters()
{
return CloneParameterCollection(_helper.CommandParameters);
}
internal ParameterCollection CloneOrderByParameters()
{
return CloneParameterCollection(_helper.OrderByParameters);
}
internal ParameterCollection CloneSelectParameters()
{
return CloneParameterCollection(_helper.SelectParameters);
}
internal ParameterCollection CloneWhereParameters()
{
return CloneParameterCollection(_helper.WhereParameters);
}
private ParameterCollection CloneParameterCollection(ParameterCollection original)
{
ParameterCollection clones = new ParameterCollection();
CloneParameters(original, clones);
return clones;
}
internal void CloneParameters(ParameterCollection originalParameters, ParameterCollection newParameters)
{
foreach (ICloneable parameter in originalParameters)
{
Parameter clone = (Parameter)parameter.Clone();
RegisterClone(parameter, clone);
newParameters.Add(clone);
}
}
internal void SetCommandParameterContents(ParameterCollection newParams)
{
SetParameters(_helper.CommandParameters, newParams);
}
internal void SetOrderByParameterContents(ParameterCollection newParams)
{
SetParameters(_helper.OrderByParameters, newParams);
}
internal void SetSelectParameterContents(ParameterCollection newParams)
{
SetParameters(_helper.SelectParameters, newParams);
}
internal void SetWhereParameterContents(ParameterCollection newParams)
{
SetParameters(_helper.WhereParameters, newParams);
}
private void SetParameters(ParameterCollection original, ParameterCollection newParams)
{
original.Clear();
foreach (Parameter parameter in newParams)
{
original.Add(parameter);
}
}
#endregion
protected override void PreFilterProperties(System.Collections.IDictionary properties)
{
base.PreFilterProperties(properties);
// Properties that are overridden in the designer because they have custom editors or converters
Type designerType = GetType();
properties["ConnectionString"] = TypeDescriptor.CreateProperty(designerType, "ConnectionString", typeof(string));
properties["DefaultContainerName"] = TypeDescriptor.CreateProperty(designerType, "DefaultContainerName", typeof(string));
properties["EntitySetName"] = TypeDescriptor.CreateProperty(designerType, "EntitySetName", typeof(string));
properties["EntityTypeFilter"] = TypeDescriptor.CreateProperty(designerType, "EntityTypeFilter", typeof(string));
properties["CommandText"] = TypeDescriptor.CreateProperty(designerType, "CommandText", typeof(string));
properties["OrderBy"] = TypeDescriptor.CreateProperty(designerType, "OrderBy", typeof(string));
properties["Select"] = TypeDescriptor.CreateProperty(designerType, "Select", typeof(string));
properties["Where"] = TypeDescriptor.CreateProperty(designerType, "Where", typeof(string));
// Properties that should be browsable in intellisense, but not visible in the designer property grid
properties.Remove("ContextType");
}
internal EntityDataSourceDesignerHelper Helper
{
get
{
return _helper;
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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