private void RemoveChildFromMaterialChilds(MaterialChildModel materialChild)
{
materialChild.PropertyChanged -= materialChild_PropertyChanged;
MaterialChilds.Remove(materialChild);
}
private void AddChildToMaterialChilds(MaterialChildModel materialChild)
{
materialChild.PropertyChanged += materialChild_PropertyChanged;
MaterialChilds.Insert(MaterialChilds.Count - MaterialChilds.OfType<LogoModel>().Count(), materialChild);
}
private void MaterialChildIsSelectedChanged(MaterialChildModel materialChild)
{
var frameworkElement = Children.OfType<FrameworkElement>().FirstOrDefault(f => f.Tag == materialChild);
if (frameworkElement == null)
{
return;
}
if (CanManipulateElement(frameworkElement) == false)
{
return;
}
if (materialChild.IsSelected)
{
AddSelectedElement(frameworkElement);
}
else
{
UnSelectElement(frameworkElement);
}
}
