///--------------------------------------------------------------------------------
/// <summary>This method creates an entity and adds to the view model.</summary>
///
/// <param name="entity">The entity to add.</param>
/// <param name="position">The desired position to place the entity.</param>
///--------------------------------------------------------------------------------
public DiagramEntityViewModel CreateEntity(EntityViewModel entity, Point position)
{
// create diagram entity and add to solution diagram
DiagramEntity dropDiagram = new DiagramEntity();
dropDiagram.DiagramEntityID = Guid.NewGuid();
DiagramEntityViewModel diagramEntity = new DiagramEntityViewModel(dropDiagram, entity, this);
diagramEntity.X = Math.Max(0, position.X);
diagramEntity.Y = Math.Max(0, position.Y);
diagramEntity.Width = Double.NaN;
diagramEntity.Height = Double.NaN;
DiagramEntities.Add(diagramEntity);
Items.Add(diagramEntity);
ClearSelectedItems();
diagramEntity.IsSelected = true;
diagramEntity.ZIndex = ++ZIndex;
// add to diagram entites to add list
ItemsToAdd.Add(diagramEntity);
Refresh(false);
return(diagramEntity);
}
///--------------------------------------------------------------------------------
/// <summary>This method adds an entity to the view model.</summary>
///
/// <param name="entity">The entity to add.</param>
/// <param name="position">The desired position to place the entity.</param>
///--------------------------------------------------------------------------------
public DiagramEntityViewModel AddEntity(EntityViewModel entity, Point position, bool isNewEntity = false)
{
DiagramEntity dropDiagram = new DiagramEntity();
dropDiagram.DiagramID = DiagramID;
dropDiagram.DiagramEntityID = Guid.NewGuid();
EntityViewModel entityView = entity;
DiagramEntityViewModel diagramEntity = new DiagramEntityViewModel(dropDiagram, entityView, this);
diagramEntity.X = Math.Max(0, position.X);
diagramEntity.Y = Math.Max(0, position.Y);
diagramEntity.Width = Double.NaN;
diagramEntity.Height = Double.NaN;
diagramEntity.Updated += new EventHandler(Children_Updated);
diagramEntity.DiagramEntity.Entity = diagramEntity.EntityViewModel.Entity;
diagramEntity.ResetModified(false);
diagramEntity.EditDiagramEntity.ResetModified(false);
if (isNewEntity == true)
{
AddDiagramEntity(diagramEntity);
}
else
{
DiagramEntities.Add(diagramEntity);
Items.Add(diagramEntity);
}
ClearSelectedItems();
diagramEntity.IsSelected = true;
diagramEntity.ZIndex = ++ZIndex;
Entities.Remove(entity);
EntitiesRemoved.Add(entity);
diagramEntity.PositionChanged += new EventHandler(diagramEntity_PositionChanged);
AddRelationships(diagramEntity);
return(diagramEntity);
}