///--------------------------------------------------------------------------------
/// <summary>This method is used to copy/paste a new item.</summary>
///
/// <param name="copyItem">The item to copy/paste.</param>
/// <param name="savePaste">Flag to determine whether to save the results of the paste.</param>
///--------------------------------------------------------------------------------
public EntityReferenceViewModel PasteEntityReference(EntityReferenceViewModel copyItem, bool savePaste = true)
{
EntityReference newItem = new EntityReference();
newItem.ReverseInstance = new EntityReference();
newItem.TransformDataFromObject(copyItem.EntityReference, null, false);
newItem.PropertyID = Guid.NewGuid();
newItem.IsAutoUpdated = false;
newItem.Entity = Entity;
newItem.Solution = Solution;
EntityReferenceViewModel newView = new EntityReferenceViewModel(newItem, Solution);
newView.ResetModified(true);
AddEntityReference(newView);
// paste children
if (savePaste == true)
{
Solution.EntityReferenceList.Add(newItem);
Entity.EntityReferenceList.Add(newItem);
newView.OnUpdated(this, null);
Solution.ResetModified(true);
}
return(newView);
}
///--------------------------------------------------------------------------------
/// <summary>This method loads EntityReferences into the view model.</summary>
///
/// <param name="entity">The entity to load.</param>
/// <param name="solution">The associated solution.</param>
/// <param name="loadChildren">Flag indicating whether to perform a deeper load.</param>
///--------------------------------------------------------------------------------
public void LoadEntityReferences(Entity entity, Solution solution, bool loadChildren = true)
{
// attach the items
Items.Clear();
if (EntityReferences == null)
{
EntityReferences = new EnterpriseDataObjectList <EntityReferenceViewModel>();
}
if (loadChildren == true)
{
foreach (EntityReference item in entity.EntityReferenceList)
{
EntityReferenceViewModel itemView = new EntityReferenceViewModel(item, solution);
itemView.Updated += new EventHandler(Children_Updated);
EntityReferences.Add(itemView);
Items.Add(itemView);
}
}
}
///--------------------------------------------------------------------------------
/// <summary>This method applies entityreference updates.</summary>
///--------------------------------------------------------------------------------
public void ProcessEditEntityReferencePerformed(EntityReferenceEventArgs data)
{
try
{
bool isItemMatch = false;
if (data != null && data.EntityReference != null)
{
foreach (EntityReferenceViewModel item in EntityReferences)
{
if (item.EntityReference.PropertyID == data.EntityReference.PropertyID)
{
isItemMatch = true;
item.EntityReference.TransformDataFromObject(data.EntityReference, null, false);
item.OnUpdated(item, null);
item.ShowInTreeView();
break;
}
}
if (isItemMatch == false)
{
// add new EntityReference
data.EntityReference.Entity = Entity;
EntityReferenceViewModel newItem = new EntityReferenceViewModel(data.EntityReference, Solution);
newItem.Updated += new EventHandler(Children_Updated);
EntityReferences.Add(newItem);
Entity.EntityReferenceList.Add(newItem.EntityReference);
Solution.EntityReferenceList.Add(newItem.EntityReference);
Items.Add(newItem);
OnUpdated(this, null);
newItem.ShowInTreeView();
}
}
}
catch (Exception ex)
{
ShowIssue(ex.Message + ex.StackTrace);
}
}
///--------------------------------------------------------------------------------
/// <summary>This method deletes an instance of EntityReference from the view model.</summary>
///
/// <param name="itemView">The EntityReference to delete.</param>
///--------------------------------------------------------------------------------
public void DeleteEntityReference(EntityReferenceViewModel itemView)
{
itemView.Updated -= Children_Updated;
EntityReferences.Remove(itemView);
Delete(itemView);
}
///--------------------------------------------------------------------------------
/// <summary>This method adds an instance of EntityReference to the view model.</summary>
///
/// <param name="itemView">The EntityReference to add.</param>
///--------------------------------------------------------------------------------
public void AddEntityReference(EntityReferenceViewModel itemView)
{
itemView.Updated += new EventHandler(Children_Updated);
EntityReferences.Add(itemView);
Add(itemView);
}
