public void AddChild(Entity entity)
{
if (children.Contains(entity))
{
return;
}
children.Add(entity);
entity.Parent = this;
ChildrenChanged.RaiseAdditionEventEx(this, entity);
}
public void Add(View view)
{
if (view == null)
{
return;
}
view.Parent = this;
view.Navigation = Parent as NavigationView ?? Parent?.Navigation;
_views.Add(view);
ChildrenChanged?.Invoke(this, new LayoutEventArgs(_views.Count - 1, 1));
}
public Expression(TextFormatting format = TextFormatting.None)
{
//BackgroundColor = Color.LightGreen;
Orientation = StackOrientation.Horizontal;
HorizontalOptions = LayoutOptions.Center;
VerticalOptions = LayoutOptions.Center;
Spacing = 0;
TextFormat = format;
ChildAdded += (sender, e) => ChildrenChanged?.Invoke(sender, e, true);
ChildRemoved += (sender, e) => ChildrenChanged?.Invoke(sender, e, false);
//ChildrenChanged += delegate { CheckPadding(); };
//CheckPadding();
}
public void RemoveChild(Entity entity)
{
if (!children.Contains(entity))
{
return;
}
children.Remove(entity);
entity.Parent = null;
// Add the ID property back to the child entity
for (int i = entity.Key.Properties.ToList().Count - 1; i >= 0; i--)
{
if (entity.Properties.Count(p => p == entity.Key.Properties.ElementAt(i)) == 0)
{
entity.AddProperty(entity.Key.Properties.ElementAt(i));
}
}
// Add any hidden properties back to the child
foreach (var hiddenProperty in entity.PropertiesHiddenByAbstractParent)
{
hiddenProperty.IsHiddenByAbstractParent = false;
}
foreach (var hiddenProperty in entity.PropertiesInHiddenKey)
{
hiddenProperty.IsPartOfHiddenKey = false;
}
// Add references back between removed child and its parent, which was removed when creating the inheritance structure.
if (entity.MappedTables().Count() > 0 && this.MappedTables().Count() > 0 &&
entity.DirectedReferences.Count(d => d.ToEntity == this) == 0)
{
var thisTable = this.MappedTables().ElementAt(0);
var childTable = entity.MappedTables().ElementAt(0);
foreach (Relationship rel in thisTable.Relationships.Where(r => (r.ForeignTable == thisTable && r.PrimaryTable == childTable) || (r.ForeignTable == childTable && r.PrimaryTable == thisTable)))
{
ArchAngel.Providers.EntityModel.Controller.MappingLayer.MappingProcessor.ProcessRelationshipInternal(entity.EntitySet.MappingSet, rel, new ArchAngel.Providers.EntityModel.Controller.MappingLayer.OneToOneEntityProcessor());
}
}
ChildrenChanged.RaiseDeletionEventEx(this, entity);
}
protected virtual void OnChildrenChanged()
{
ChildrenChanged?.Invoke(this, EventArgs.Empty);
}
/// <summary> /// Raises an event to notify the automation client the the children of the peer have changed. /// </summary> protected void RaiseChildrenChangedEvent() => ChildrenChanged?.Invoke(this, EventArgs.Empty);
protected override void OnVisualChildrenChanged(DependencyObject visualAdded, DependencyObject visualRemoved)
{
base.OnVisualChildrenChanged(visualAdded, visualRemoved);
ChildrenChanged?.Invoke();
}
protected internal virtual void OnChildrenChanged(SimpleTreeItem simpleTreeItem)
{
ChildrenChanged?.Invoke(this, new TreeItemEventArgs(simpleTreeItem));
}
private void OnTransformChildrenChanged()
{
ChildrenChanged?.Invoke();
}
