public DiagramLogic()
{
// The list of people, this is a global list shared by the application.
family = GlobalData.Family;
Clear();
}
/// <summary>
/// Performs the business logic for changing the deleting the person
/// </summary>
public static void DeletePerson(UMLCollection family, Shape personToDelete)
{
if (!personToDelete.IsDeletable)
{
return;
}
// Remove the personToDelete from the relationships that contains the personToDelete.
foreach (Relationship relationship in personToDelete.Relationships)
{
foreach (Relationship rel in relationship.RelationTo.Relationships)
{
if (rel.RelationTo.Equals(personToDelete))
{
relationship.RelationTo.Relationships.Remove(rel);
break;
}
}
}
// Delete the person's photos and story
personToDelete.DeletePhotos();
personToDelete.DeleteStory();
family.Remove(personToDelete);
}
/// <summary>
/// Performs the business logic for adding the Parent relationship between the person and the parent.
/// </summary>
public static void AddParent(UMLCollection family, Shape shape, Shape parent)
{
// Add the parent to the main collection of people.
family.Add(parent);
// Setter for property change notification
shape.HasParents = true;
}
/// <summary>
/// Performs the business logic for adding the Child relationship between the person and the child.
/// </summary>
public static void AddChild(UMLCollection family, Shape shape, Shape child)
{
// Add the new child as a sibling to any existing children
foreach (Shape existingSibling in shape.Children)
{
family.AddSibling(existingSibling, child);
}
}
/// <summary>
/// Performs the business logic for adding the Parent relationship between the person and the parents.
/// </summary>
public static void AddParent(UMLCollection family, Shape shape, ParentSet parentSet)
{
// First add child to parents.
family.AddChild(parentSet.FirstParent, shape, ParentChildModifier.Natural);
family.AddChild(parentSet.SecondParent, shape, ParentChildModifier.Natural);
// Next update the siblings. Get the list of full siblings for the person.
// A full sibling is a sibling that has both parents in common.
List <Shape> siblings = GetChildren(parentSet);
foreach (Shape sibling in siblings)
{
if (sibling != shape)
{
family.AddSibling(shape, sibling);
}
}
}
/// <summary>
/// Performs the business logic for adding the Sibling relationship between the person and the sibling.
/// </summary>
public static void AddSibling(UMLCollection family, Shape person, Shape sibling)
{
// Handle siblings
if (person.Siblings.Count > 0)
{
// Make the siblings siblings to each other.
foreach (Shape existingSibling in person.Siblings)
{
family.AddSibling(existingSibling, sibling);
}
}
if (person.Parents != null)
{
switch (person.Parents.Count)
{
// No parents
case 0:
family.AddSibling(person, sibling);
break;
// Single parent
case 1:
family.AddSibling(person, sibling);
family.AddChild(person.Parents[0], sibling, ParentChildModifier.Natural);
break;
// 2 parents
case 2:
// Add the sibling as a child of the same parents
foreach (Shape parent in person.Parents)
{
family.AddChild(parent, sibling, ParentChildModifier.Natural);
}
family.AddSibling(person, sibling);
break;
default:
family.AddSibling(person, sibling);
break;
}
}
}
/// <summary>
/// Performs the business logic for changing the person parents
/// </summary>
public static void ChangeParents(UMLCollection family, Shape shape, ParentSet newParentSet)
{
// Don't do anything if there is nothing to change or if the parents are the same
if (shape.ParentSet == null || newParentSet == null || shape.ParentSet.Equals(newParentSet))
{
return;
}
// store the current parent set which will be removed
ParentSet formerParentSet = shape.ParentSet;
// Remove the first parent
RemoveParentChildRelationship(shape, formerParentSet.FirstParent);
// Remove the person as a child of the second parent
RemoveParentChildRelationship(shape, formerParentSet.SecondParent);
// Remove the sibling relationships
RemoveSiblingRelationships(shape);
// Add the new parents
AddParent(family, shape, newParentSet);
}
public UML()
{
umlCollection = new UMLCollection();
}
/// <summary>
/// Performs the business logic for adding the Spousal relationship between the person and the spouse.
/// </summary>
public static void AddSpouse(UMLCollection family, Shape person, Shape spouse, SpouseModifier modifier)
{
}
