RequestLayout();
}
+Toolkit::LayoutGroup::LayoutId LayoutGroup::Insert( LayoutItem& target, LayoutItem& child )
+{
+ LayoutParent* oldParent = child.GetParent();
+ if( oldParent )
+ {
+ LayoutGroupPtr parentGroup( dynamic_cast< LayoutGroup* >( oldParent ) );
+ if( parentGroup )
+ {
+ parentGroup->Remove( child );
+ }
+ }
+
+ // Find target position
+ std::vector< Impl::ChildLayout >::iterator position;
+ for( auto iter = mImpl->mChildren.begin(); iter != mImpl->mChildren.end(); ++iter )
+ {
+ if( iter->child.Get() == &target )
+ {
+ position = iter;
+ break;
+ }
+ }
+
+ Impl::ChildLayout childLayout;
+ childLayout.layoutId = mImpl->mNextLayoutId++;
+ childLayout.child = &child;
+ mImpl->mChildren.insert( position, childLayout );
+
+ child.SetParent( this );
+
+ auto owner = child.GetOwner();
+
+ // Inform deriving classes that this child has been added
+ OnChildAdd( *childLayout.child.Get() );
+
+ // Now listen to future changes to the child properties.
+ DevelHandle::PropertySetSignal(owner).Connect( this, &LayoutGroup::OnSetChildProperties );
+
+ RequestLayout();
+
+ return childLayout.layoutId;
+}
+
+Toolkit::LayoutGroup::LayoutId LayoutGroup::Move( LayoutItem& target, LayoutItem& child )
+{
+ // Remove child from the previous position
+ for( auto iter = mImpl->mChildren.begin() ; iter != mImpl->mChildren.end() ; ++iter )
+ {
+ if( iter->child.Get() == &child )
+ {
+ mImpl->mChildren.erase( iter );
+ break;
+ }
+ }
+
+ // Find target position
+ std::vector< Impl::ChildLayout >::iterator position;
+ for( auto iter = mImpl->mChildren.begin(); iter != mImpl->mChildren.end(); ++iter )
+ {
+ if( iter->child.Get() == &target )
+ {
+ position = iter;
+ break;
+ }
+ }
+
+ Impl::ChildLayout childLayout;
+ childLayout.layoutId = mImpl->mNextLayoutId++;
+ childLayout.child = &child;
+ mImpl->mChildren.insert( position, childLayout );
+
+ RequestLayout();
+
+ return childLayout.layoutId;
+}
+
+Toolkit::LayoutGroup::LayoutId LayoutGroup::MoveBack( LayoutItem& child )
+{
+ // Remove child from the previous position
+ for( auto iter = mImpl->mChildren.begin() ; iter != mImpl->mChildren.end() ; ++iter )
+ {
+ if( iter->child.Get() == &child )
+ {
+ mImpl->mChildren.erase( iter );
+ break;
+ }
+ }
+
+ Impl::ChildLayout childLayout;
+ childLayout.layoutId = mImpl->mNextLayoutId++;
+ childLayout.child = &child;
+ mImpl->mChildren.emplace_back( childLayout );
+
+ RequestLayout();
+
+ return childLayout.layoutId;
+}
+
void LayoutGroup::RemoveAll()
{
for( auto iter = mImpl->mChildren.begin() ; iter != mImpl->mChildren.end() ; )
if( parentLayout )
{
Internal::LayoutGroup& parentLayoutImpl = GetImplementation( parentLayout );
- parentLayoutImpl.Add( *this );
+
+ unsigned int count = parent.GetChildCount();
+ unsigned int index = static_cast< unsigned int >( control.GetProperty< int >( DevelActor::Property::SIBLING_ORDER ) );
+
+ // Find insertion position
+ while( ++index < count )
+ {
+ auto sibling = Toolkit::Control::DownCast( parent.GetChildAt( index ) );
+ if( sibling )
+ {
+ auto siblingLayout = DevelControl::GetLayout( sibling );
+ if( siblingLayout )
+ {
+ Internal::LayoutItem& siblingLayoutImpl = GetImplementation( siblingLayout );
+ parentLayoutImpl.Insert( siblingLayoutImpl, *this );
+ break;
+ }
+ }
+ }
+
+ if( index >= count )
+ {
+ parentLayoutImpl.Add( *this );
+ }
}
}
}
}
}
-void LayoutGroup::ChildOrderChanged()
+void LayoutGroup::ChildOrderChanged( Actor child )
{
- RequestLayout();
- // Force Children to be relaid out:
- for( auto&& child : mImpl->mChildren )
+ Toolkit::Control childControl = Toolkit::Control::DownCast( child );
+ if( childControl )
{
- child.child->SetLayoutRequested();
+ Internal::Control& childControlImpl = GetImplementation( childControl );
+ Internal::Control::Impl& childControlDataImpl = Internal::Control::Impl::Get( childControlImpl );
+
+ auto childLayout = childControlDataImpl.GetLayout();
+ if( childLayout )
+ {
+ Toolkit::Control control = Toolkit::Control::DownCast( GetOwner() );
+ unsigned int count = control.GetChildCount();
+ unsigned int index = static_cast< unsigned int >( childControl.GetProperty< int >( DevelActor::Property::SIBLING_ORDER ) );
+
+ // Find insertion position
+ while( ++index < count )
+ {
+ auto sibling = Toolkit::Control::DownCast( control.GetChildAt( index ) );
+ if( sibling )
+ {
+ auto siblingLayout = DevelControl::GetLayout( sibling );
+ if( siblingLayout )
+ {
+ Internal::LayoutItem& siblingLayoutImpl = GetImplementation( siblingLayout );
+ Move( siblingLayoutImpl, *childLayout );
+ return;
+ }
+ }
+ }
+
+ MoveBack( *childLayout );
+ }
}
}