/// <summary>
/// Returns object type name for the given hierarchy item.
/// </summary>
/// <param name="hierarchy">Server explorer facade object to be used for Server Explorer hierarchy interaction.</param>
/// <param name="item">Item identifier.</param>
/// <returns>
/// Returns object type name for the given hierarchy item.
/// </returns>
protected override string GetObjectType(ServerExplorerFacade hierarchy, int item)
{
if (hierarchy == null)
{
throw new ArgumentNullException("hierarchy");
}
if (item < 0)
{
throw new ArgumentOutOfRangeException("item");
}
return(hierarchy.GetObjectType(item));
}
/// <summary>
/// Checks object type for the given node using document/view factory and returns
/// it if checking succeeds.
/// </summary>
/// <param name="hierarchy">Server explorer facade object to be used for Server Explorer hierarchy interaction.</param>
/// <param name="item">Item identifier.</param>
/// <returns>
/// Returns object type name, which should be used to create document
/// and view objects instances.
/// </returns>
protected override string GetObjectType(ServerExplorerFacade hierarchy, int item)
{
if (hierarchy == null)
throw new ArgumentNullException("hierarchy");
if (item < 0)
throw new ArgumentOutOfRangeException("item");
// Get object type for given node
string typeName = hierarchy.GetObjectType(item);
// Checks object type using factory
if (!String.IsNullOrEmpty(typeName)
&& DocumentViewFactory.Instance.IsObjectTypeRegistered(typeName))
return typeName;
return null;
}
/// <summary>
/// Checks object type for the given node using document/view factory and returns
/// it if checking succeeds.
/// </summary>
/// <param name="hierarchy">Server explorer facade object to be used for Server Explorer hierarchy interaction.</param>
/// <param name="item">Item identifier.</param>
/// <returns>
/// Returns object type name, which should be used to create document
/// and view objects instances.
/// </returns>
protected override string GetObjectType(ServerExplorerFacade hierarchy, int item)
{
if (hierarchy == null)
{
throw new ArgumentNullException("hierarchy");
}
if (item < 0)
{
throw new ArgumentOutOfRangeException("item");
}
// Get object type for given node
string typeName = hierarchy.GetObjectType(item);
// Checks object type using factory
if (!String.IsNullOrEmpty(typeName) &&
DocumentViewFactory.Instance.IsObjectTypeRegistered(typeName))
{
return(typeName);
}
return(null);
}
/// <summary>
/// Checks object type for the given node (must be Table or View) and returns TableData
/// it if checking succeeds.
/// </summary>
/// <param name="hierarchy">Server explorer facade object to be used for Server Explorer hierarchy interaction.</param>
/// <param name="item">Item identifier.</param>
/// <returns>
/// Returns TableData if object type name of given hierarchy item is Table or View.
/// Otherwize returns null.
/// </returns>
protected override string GetObjectType(ServerExplorerFacade hierarchy, int item)
{
if (hierarchy == null)
{
throw new ArgumentNullException("hierarchy");
}
if (item < 0)
{
throw new ArgumentOutOfRangeException("item");
}
// Get type of the current node
string typeName = hierarchy.GetObjectType(item);
// If this is a table or a view, data editing is supported.
if (DataInterpreter.CompareInvariant(typeName, TableDescriptor.TypeName) ||
DataInterpreter.CompareInvariant(typeName, ViewDescriptor.TypeName))
{
return(TableDataDescriptor.TypeName);
}
// Else data editing is not supported
return(null);
}
/// <summary>
/// Returns object type name for the given hierarchy item.
/// </summary>
/// <param name="hierarchy">Server explorer facade object to be used for Server Explorer hierarchy interaction.</param>
/// <param name="item">Item identifier.</param>
/// <returns>
/// Returns object type name for the given hierarchy item.
/// </returns>
protected override string GetObjectType(ServerExplorerFacade hierarchy, int item)
{
if (hierarchy == null)
throw new ArgumentNullException("hierarchy");
if (item < 0)
throw new ArgumentOutOfRangeException("item");
return hierarchy.GetObjectType(item);
}
/// <summary>
/// Checks object type for the given node (must be Table or View) and returns TableData
/// it if checking succeeds.
/// </summary>
/// <param name="hierarchy">Server explorer facade object to be used for Server Explorer hierarchy interaction.</param>
/// <param name="item">Item identifier.</param>
/// <returns>
/// Returns TableData if object type name of given hierarchy item is Table or View.
/// Otherwize returns null.
/// </returns>
protected override string GetObjectType(ServerExplorerFacade hierarchy, int item)
{
if (hierarchy == null)
throw new ArgumentNullException("hierarchy");
if (item < 0)
throw new ArgumentOutOfRangeException("item");
// Get type of the current node
string typeName = hierarchy.GetObjectType(item);
// If this is a table or a view, data editing is supported.
if (DataInterpreter.CompareInvariant(typeName, TableDescriptor.TypeName)
|| DataInterpreter.CompareInvariant(typeName, ViewDescriptor.TypeName))
return TableDataDescriptor.TypeName;
// Else data editing is not supported
return null;
}
