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//------------------------------------------------------------------------------
// <copyright file="EntityDataSourceContainerNameConverter.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//
// @owner [....]
// @backupOwner [....]
//------------------------------------------------------------------------------
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Diagnostics;
using System.Web.UI.WebControls;
namespace System.Web.UI.Design.WebControls
{
internal class EntityDataSourceContainerNameConverter : StringConverter
{
public EntityDataSourceContainerNameConverter()
: base()
{
}
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
// We can only get a list of possible DefaultContainerName values if we have:
// (1) Connection string so we can load metadata
// Even if this value is set, it may not be possible to actually load the metadata, but at least we can try the lookup if requested
EntityDataSource entityDataSource = context.Instance as EntityDataSource;
if (entityDataSource != null && !String.IsNullOrEmpty(entityDataSource.ConnectionString))
{
List<EntityDataSourceContainerNameItem> containerNameItems = new EntityDataSourceDesignerHelper(entityDataSource, false /*interactiveMode*/).GetContainerNames(true /*sortResults*/);
string[] containers = new string[containerNameItems.Count];
for (int i = 0; i < containerNameItems.Count; i++)
{
containers[i] = containerNameItems[i].ToString();
}
return new StandardValuesCollection(containers);
}
return null;
}
public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)
{
return false;
}
public override bool GetStandardValuesSupported(ITypeDescriptorContext context)
{
return true;
}
}
}
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