internal void SetUpAssociationDisplay()
{
var association = GetAssociationFromLastPrimarySelection();
if (association != null)
{
// reset our view model XRef
Context.Items.SetValue(new ModelToMappingModelXRef());
// set our mode to None since we aren't mapping entities
_currentMappingDetailsInfo.EntityMappingMode = EntityMappingModes.None;
_currentMappingDetailsInfo.ViewModel = MappingViewModelHelper.CreateViewModel(Context, association);
// show the view model in the tool window
Debug.Assert(
_currentMappingDetailsInfo.ViewModel != null && _currentMappingDetailsInfo.ViewModel.RootNode != null,
"Failed to correctly create the mapping details ViewModel for the selected association");
if (_currentMappingDetailsInfo.ViewModel != null
&&
_currentMappingDetailsInfo.ViewModel.RootNode != null)
{
DoShowMappingDetailsForElement(_currentMappingDetailsInfo.ViewModel.RootNode.ModelItem);
}
// update the toolbar buttons
MappingDetailsWindowContainer.UpdateToolbar();
MappingDetailsWindowContainer.SetHintColor(Color.Transparent);
}
}
// <summary>
// Calls a validation method to check if this entity's MSL is editable by the designer
// </summary>
private bool CanEditMappingsForEntityType(ConceptualEntityType entityType)
{
var errorMessage = string.Empty;
if (MappingViewModelHelper.CanEditMappingsForEntityType(entityType, ref errorMessage))
{
return(true);
}
else
{
SetWatermarkInfo(string.Format(CultureInfo.CurrentCulture, Resources.MappingDetails_ErrMslGeneral, errorMessage));
return(false);
}
}
// <summary>
// Calls a validation method to check if this association's MSL is editable by the designer
// </summary>
private bool CanEditMappingsForFunctionImport(FunctionImport fi)
{
var errorMessage = string.Empty;
// check whether we should lit up the function import mapping.
if (EdmFeatureManager.GetFunctionImportMappingFeatureState(fi.Artifact.SchemaVersion).IsEnabled() == false)
{
SetWatermarkInfo(Resources.MappingDetails_ErrMappingNotSupported);
return(false);
}
else if (MappingViewModelHelper.CanEditMappingsForFunctionImport(fi, ref errorMessage))
{
return(true);
}
else
{
SetWatermarkInfo(string.Format(CultureInfo.CurrentCulture, Resources.MappingDetails_ErrMslGeneral, errorMessage));
return(false);
}
}
// <summary>
// Calls a validation method to check if this association's MSL is editable by the designer
// </summary>
internal bool CanEditMappingsForAssociation(Association association, bool allowAssociationMappingEditWithFKs)
{
if (association == null)
{
throw new ArgumentNullException("association");
}
TreeGridDesignerWatermarkInfo watermarkInfo = null;
if (MappingViewModelHelper.CanEditMappingsForAssociation(
association, MappingDetailsWindowContainer, ref watermarkInfo, allowAssociationMappingEditWithFKs))
{
return(true);
}
else
{
Debug.Assert(watermarkInfo != null, "watermark should not be null");
if (watermarkInfo != null)
{
SetWatermarkInfo(watermarkInfo);
}
return(false);
}
}
private void ProcessSelectionFromOtherWindows(Selection selection)
{
_lastPrimarySelection = selection.PrimarySelection;
// we might be called before we are fully initialized
if (_currentMappingDetailsInfo == null)
{
return;
}
if (selection.PrimarySelection != null)
{
var property = selection.PrimarySelection as Property;
var navProp = selection.PrimarySelection as NavigationProperty;
var entityTypeShape = selection.PrimarySelection as EntityTypeShape;
MappingDetailsWindowContainer.SetHintColor(Color.Transparent);
if (entityTypeShape != null)
{
MappingDetailsWindowContainer.SetHintColor(entityTypeShape.FillColor.Value);
}
if (_currentMappingDetailsInfo.ViewModel != null
&&
_currentMappingDetailsInfo.ViewModel.RootNode.ModelItem.Identity == selection.PrimarySelection.Identity)
{
// same item we are showing, don't do anything
return;
}
else if (_currentMappingDetailsInfo.ViewModel != null &&
selection.PrimarySelection.Parent != null &&
((property != null && property.Parent == _currentMappingDetailsInfo.ViewModel.RootNode.ModelItem) ||
(navProp != null && navProp.Relationship.Target == _currentMappingDetailsInfo.ViewModel.RootNode.ModelItem))
)
{
// we are selecting a child for the parent we are showing (like property and entity), don't do anything
return;
}
else if (_currentMappingDetailsInfo.ViewModel != null &&
entityTypeShape != null &&
entityTypeShape.EntityType != null &&
_currentMappingDetailsInfo.ViewModel.RootNode.ModelItem == entityTypeShape.EntityType.Target)
{
// if the current entity type that we are showing is as same as what the shape refers, do nothing (we try to show the same thing).
return;
}
// reset the watermark to the default (it may have been set to an error message about hand-edited MSL)
SetWatermarkInfo(_defaultWatermarkInfo);
// set the screen if the user selects an entity or property
// if they select a property, then resolve up to parent entity
// if they select an EntityTypeShape, then resolve up the referred entity.
ConceptualEntityType entityType = null;
if (property != null &&
property.EntityType != null &&
property.EntityType.EntityModel.IsCSDL)
{
entityType = property.EntityType as ConceptualEntityType;
Debug.Assert(property.EntityType != null ? entityType != null : true, "EntityType is not ConceptualEntityType");
}
else if (entityTypeShape != null &&
entityTypeShape.EntityType != null &&
entityTypeShape.EntityType.Target != null)
{
entityType = entityTypeShape.EntityType.Target as ConceptualEntityType;
Debug.Assert(entityType != null, "Why does EntityTypeShape's EntityType is not ConceptualEntityType");
}
else
{
entityType = selection.PrimarySelection as ConceptualEntityType;
}
if (entityType != null &&
CanEditMappingsForEntityType(entityType))
{
// reset our view model XRef
Context.Items.SetValue(new ModelToMappingModelXRef());
// if our last view was not an entity or the entity is abstract, start out in Tables mode
if (_currentMappingDetailsInfo.EntityMappingMode == EntityMappingModes.None ||
entityType.Abstract.Value)
{
_currentMappingDetailsInfo.EntityMappingMode = EntityMappingModes.Tables;
}
// create the view model
_currentMappingDetailsInfo.ViewModel = MappingViewModelHelper.CreateViewModel(Context, entityType);
// show the view model in the tool window
Debug.Assert(
_currentMappingDetailsInfo.ViewModel != null && _currentMappingDetailsInfo.ViewModel.RootNode != null,
"Failed to correctly create the mapping details ViewModel for the selected entity");
if (_currentMappingDetailsInfo.ViewModel != null &&
_currentMappingDetailsInfo.ViewModel.RootNode != null)
{
DoShowMappingDetailsForElement(_currentMappingDetailsInfo.ViewModel.RootNode.ModelItem);
}
// update the toolbar buttons
MappingDetailsWindowContainer.UpdateToolbar();
return;
}
// see if user selected a navigation property, and treat the mapping view as if the user selected an association
var association = GetAssociationFromLastPrimarySelection();
if (association != null &&
association.EntityModel.IsCSDL &&
CanEditMappingsForAssociation(association, false))
{
SetUpAssociationDisplay();
return;
}
// set the screen if the user selected a FunctionImport
var fi = selection.PrimarySelection as FunctionImport;
if (fi != null &&
fi.FunctionImportMapping != null)
{
// only show mappings for FunctionImports that ReturnType is either EntityType or ComplexType
var isReturnTypeEntityOrComplexType = fi.IsReturnTypeEntityType || fi.IsReturnTypeComplexType;
if (isReturnTypeEntityOrComplexType && CanEditMappingsForFunctionImport(fi))
{
// reset our view model XRef
Context.Items.SetValue(new ModelToMappingModelXRef());
// set our mode to None since we aren't mapping entities
_currentMappingDetailsInfo.EntityMappingMode = EntityMappingModes.None;
_currentMappingDetailsInfo.ViewModel = MappingViewModelHelper.CreateViewModel(Context, fi.FunctionImportMapping);
// show the view model in the tool window
Debug.Assert(
_currentMappingDetailsInfo.ViewModel != null && _currentMappingDetailsInfo.ViewModel.RootNode != null,
"Failed to correctly create the mapping details ViewModel for the selected association");
if (_currentMappingDetailsInfo.ViewModel != null
&&
_currentMappingDetailsInfo.ViewModel.RootNode != null)
{
DoShowMappingDetailsForElement(_currentMappingDetailsInfo.ViewModel.RootNode.ModelItem);
}
// update the toolbar buttons
MappingDetailsWindowContainer.UpdateToolbar();
return;
}
}
}
// the user clicked on something other than an entity or association
ClearToolWindowContents(false);
// clear out our selection source
_currentMappingDetailsInfo.SelectionSource = EntityMappingSelectionSource.None;
}
