public virtual TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context, Type typeFilter)
{
string[] destinationArray = null;
if (context != null)
{
IDataSourceViewSchemaAccessor instance = context.Instance as IDataSourceViewSchemaAccessor;
if (instance != null)
{
IDataSourceViewSchema dataSourceViewSchema = instance.DataSourceViewSchema as IDataSourceViewSchema;
if (dataSourceViewSchema != null)
{
IDataSourceFieldSchema[] fields = dataSourceViewSchema.GetFields();
string[] sourceArray = new string[fields.Length];
int index = 0;
for (int i = 0; i < fields.Length; i++)
{
if (((typeFilter != null) && (fields[i].DataType == typeFilter)) || (typeFilter == null))
{
sourceArray[index] = fields[i].Name;
index++;
}
}
destinationArray = new string[index];
Array.Copy(sourceArray, destinationArray, index);
}
}
if (destinationArray == null)
{
destinationArray = new string[0];
}
Array.Sort(destinationArray, Comparer.Default);
}
return(new TypeConverter.StandardValuesCollection(destinationArray));
}
private void PopulateSchemaRecursive(System.Windows.Forms.TreeNodeCollection nodes, IDataSourceViewSchema viewSchema, int depth, IDictionary duplicates)
{
if (viewSchema != null)
{
SchemaTreeNode node = new SchemaTreeNode(viewSchema);
nodes.Add(node);
SchemaTreeNode node2 = (SchemaTreeNode)duplicates[viewSchema.Name];
if (node2 != null)
{
node2.Duplicate = true;
node.Duplicate = true;
}
foreach (TreeNodeBinding binding in this._bindingsListView.Items)
{
if (string.Compare(binding.DataMember, viewSchema.Name, StringComparison.OrdinalIgnoreCase) == 0)
{
IDataSourceViewSchemaAccessor accessor = binding;
if ((depth == binding.Depth) || (accessor.DataSourceViewSchema == null))
{
accessor.DataSourceViewSchema = viewSchema;
}
}
}
IDataSourceViewSchema[] children = viewSchema.GetChildren();
if (children != null)
{
for (int i = 0; i < children.Length; i++)
{
this.PopulateSchemaRecursive(node.Nodes, children[i], depth + 1, duplicates);
}
}
}
}
private string[] GetControlDataFieldNames()
{
if (this._dataFields == null)
{
ITypeDescriptorContext context = this.editor.Context;
IDataSourceFieldSchema[] fields = null;
IDataSourceViewSchema dataSourceViewSchema = null;
if ((context != null) && (context.Instance != null))
{
System.Web.UI.Control instance = context.Instance as System.Web.UI.Control;
if (instance != null)
{
ISite site = instance.Site;
if (site != null)
{
IDesignerHost host = (IDesignerHost)site.GetService(typeof(IDesignerHost));
if (host != null)
{
DataBoundControlDesigner designer = host.GetDesigner(instance) as DataBoundControlDesigner;
if (designer != null)
{
DesignerDataSourceView designerView = designer.DesignerView;
if (designerView != null)
{
try
{
dataSourceViewSchema = designerView.Schema;
}
catch (Exception exception)
{
IComponentDesignerDebugService service = (IComponentDesignerDebugService)site.GetService(typeof(IComponentDesignerDebugService));
if (service != null)
{
service.Fail(System.Design.SR.GetString("DataSource_DebugService_FailedCall", new object[] { "DesignerDataSourceView.Schema", exception.Message }));
}
}
}
}
}
}
}
else
{
IDataSourceViewSchemaAccessor accessor = context.Instance as IDataSourceViewSchemaAccessor;
if (accessor != null)
{
dataSourceViewSchema = accessor.DataSourceViewSchema as IDataSourceViewSchema;
}
}
}
if (dataSourceViewSchema != null)
{
fields = dataSourceViewSchema.GetFields();
if (fields != null)
{
int length = fields.Length;
this._dataFields = new string[length];
for (int i = 0; i < length; i++)
{
this._dataFields[i] = fields[i].Name;
}
}
}
}
return(this._dataFields);
}
