private bool IsSupportedProvider(Guid source, Guid provider)
{
RaiseBeforeIsAdoNetProviderEvent();
var result = DataConnectionUtils.HasEntityFrameworkProvider(
_dataProviderManager, provider, _appProject, Services.ServiceProvider) &&
DataProviderProjectControl.IsProjectSupported(provider, _appProject);
RaiseAfterIsAdoNetProviderEvent();
return(result);
}
private void Init()
{
if (_isInitialized)
{
// need to reset settings on the dialog to avoid displaying stale information
// especially showing EntityConnectionString for CodeFirst from Database
NewDataSourceSelected();
return;
}
using (new VsUtils.HourglassHelper())
{
//
// look up the DDEX Service Providers we use in this wizard
//
_dataConnectionManager = ServiceProvider.GetService(typeof(IVsDataConnectionManager)) as IVsDataConnectionManager;
_dataExplorerConnectionManager =
ServiceProvider.GetService(typeof(IVsDataExplorerConnectionManager)) as IVsDataExplorerConnectionManager;
_dataProviderManager = ServiceProvider.GetService(typeof(IVsDataProviderManager)) as IVsDataProviderManager;
var providerMapper = ServiceProvider.GetService(typeof(IDTAdoDotNetProviderMapper)) as IDTAdoDotNetProviderMapper;
Debug.Assert(providerMapper != null, "providerMapper == null");
// populate the combo box with project connections first
var globalConnectionService = ServiceProvider.GetService(typeof(IGlobalConnectionService)) as IGlobalConnectionService;
var dataConnections = new Dictionary <string, DataConnection>();
if (null != globalConnectionService)
{
try
{
var connections = globalConnectionService.GetConnections(ServiceProvider, Wizard.Project);
foreach (var connection in connections)
{
if (connection.Location == ConnectionLocation.SettingsFile ||
connection.Location == ConnectionLocation.Both)
{
var providerGuid = providerMapper.MapInvariantNameToGuid(
connection.ProviderName, connection.DesignTimeConnectionString, false);
if (DataConnectionUtils.HasEntityFrameworkProvider(
_dataProviderManager, providerGuid, Wizard.Project, ServiceProvider) &&
DataProviderProjectControl.IsProjectSupported(providerGuid, Wizard.Project))
{
dataSourceComboBox.Items.Add(
new DataSourceComboBoxItem(
connection.Name + " (Settings)", providerGuid, connection.DesignTimeConnectionString, false));
dataConnections.Add(connection.DesignTimeConnectionString, connection);
}
}
}
}
catch
{
// there is a bug in the VSDesigner; it throws an exception when attempting to call GetConnections if there is a bad connection
// if there is a problem, the only thing we can do is just add all connections, and the project connections won't be sorted in order.
}
}
// populate the combo box with connection names from server explorer
foreach (var connection in _dataExplorerConnectionManager.Connections.Values)
{
if (DataConnectionUtils.HasEntityFrameworkProvider(
_dataProviderManager, connection.Provider, Wizard.Project, ServiceProvider) &&
DataProviderProjectControl.IsProjectSupported(connection.Provider, Wizard.Project) &&
!dataConnections.ContainsKey(DataConnectionUtils.DecryptConnectionString(connection.Connection)))
{
dataSourceComboBox.Items.Add(new DataSourceComboBoxItem(connection.DisplayName, connection.Connection));
}
}
// highlight the first one in the list
if (dataSourceComboBox.Items.Count > 0)
{
dataSourceComboBox.SelectedIndex = 0;
}
// set a minimum height for the connection string text box
if (textBoxConnectionString.Height < textBoxConnectionString.Font.Height)
{
textBoxConnectionString.Height = textBoxConnectionString.Font.Height;
}
// mark as initialized
_isInitialized = true;
} // restore cursor
}
