public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
// We can only get a list of possible EntityTypeFilter values if we have:
// (1) Connection string so we can load metadata
// (2) DefaultContainerName to give scope to the lookup
// (3) EntitySetName that exists in DefaultContainerName so we can get its type and derived types
// Even if these values are set, it may not be possible to actually find them in metadata, but at least we can try the lookup if requested
EntityDataSource entityDataSource = context.Instance as EntityDataSource;
if (entityDataSource != null &&
!String.IsNullOrEmpty(entityDataSource.ConnectionString) &&
!String.IsNullOrEmpty(entityDataSource.DefaultContainerName) &&
!String.IsNullOrEmpty(entityDataSource.EntitySetName))
{
List<EntityDataSourceEntityTypeFilterItem> entityTypeFilterItems =
new EntityDataSourceDesignerHelper(entityDataSource, false /*interactiveMode*/).GetEntityTypeFilters(
entityDataSource.DefaultContainerName, entityDataSource.EntitySetName);
string[] entityTypeFilters = new string[entityTypeFilterItems.Count];
for (int i = 0; i < entityTypeFilterItems.Count; i++)
{
entityTypeFilters[i] = entityTypeFilterItems[i].EntityTypeName;
}
return new StandardValuesCollection(entityTypeFilters);
}
return null;
}
public EntityDataSourceWizardForm(IServiceProvider serviceProvider, EntityDataSourceState entityDataSourceState, EntityDataSourceDesigner entityDataSourceDesigner)
: base(serviceProvider)
{
_entityDataSourceState = entityDataSourceState;
this.SetGlyph(new Bitmap(BitmapSelector.GetResourceStream(typeof(EntityDataSourceWizardForm), "EntityDataSourceWizard.bmp")));
this.Text = String.Format(CultureInfo.InvariantCulture, Strings.Wizard_Caption(((EntityDataSource)entityDataSourceDesigner.Component).ID));
_helper = entityDataSourceDesigner.Helper;
EntityDataSourceConfigureObjectContextPanel contextPanel = new EntityDataSourceConfigureObjectContextPanel();
_configureContext = new EntityDataSourceConfigureObjectContext(contextPanel, this, entityDataSourceDesigner.Helper, _entityDataSourceState);
EntityDataSourceDataSelectionPanel dataPanel = new EntityDataSourceDataSelectionPanel();
_configureDataSelection = new EntityDataSourceDataSelection(dataPanel, this, entityDataSourceDesigner.Helper, _entityDataSourceState);
_configureContext.ContainerNameChanged += _configureDataSelection.ContainerNameChangedHandler;
_configureContext.LoadState();
_configureDataSelection.LoadState();
// Adds the panels to the wizard
SetPanels(new WizardPanel[] {
contextPanel,
dataPanel});
}
internal EntityDataSourceDataSelection(EntityDataSourceDataSelectionPanel panel, EntityDataSourceWizardForm wizard, EntityDataSourceDesignerHelper designerHelper, EntityDataSourceState entityDataSourceState)
{
_panel = panel;
_panel.Register(this);
_helper = designerHelper;
_entityDataSourceState = entityDataSourceState;
_wizardForm = wizard;
}
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;
}
internal EntityDataSourceConfigureObjectContext(EntityDataSourceConfigureObjectContextPanel panel, EntityDataSourceWizardForm wizardForm, EntityDataSourceDesignerHelper helper, EntityDataSourceState entityDataSourceState)
{
try
{
Cursor.Current = Cursors.WaitCursor;
_panel = panel;
_helper = helper;
// Explicitly load metadata here to ensure that we get the latest changes in the project
_helper.ReloadResources();
_panel.Register(this);
_wizardForm = wizardForm;
_entityDataSourceState = entityDataSourceState;
}
finally
{
Cursor.Current = Cursors.Default;
}
}
public override void Initialize(IComponent component)
{
base.Initialize(component);
_helper = new EntityDataSourceDesignerHelper(component as EntityDataSource, true /*interactiveMode*/);
_helper.AddSystemWebEntityReference();
}
public EntityDesignerDataSourceView(EntityDataSourceDesigner owner)
: base(owner, EntityDataSourceDesignerHelper.DefaultViewName)
{
_helper = owner.Helper;
}