public ValueStyleItem(ValueStyle style)
: base(style)
{
valueStyle = style;
if (valueStyle != null)
{
foreach (var valueItem in valueStyle.ValueItems)
{
ValueSubItem valueStyleItem = new ValueSubItem(valueItem, valueStyle.ColumnName);
Children.Add(valueStyleItem);
}
}
}
protected override void UpdateStyleItemCore()
{
base.UpdateStyleItemCore();
if (valueStyle != null)
{
var deletedValueItems = Children.Where(i => !valueStyle.ValueItems.Any(c => c == i.ConcreteObject)).ToList();
foreach (var deletedValueItem in deletedValueItems)
{
if (Children.Contains(deletedValueItem))
{
Children.Remove(deletedValueItem);
}
}
var addedValueItems = valueStyle.ValueItems.Where(c => !Children.Any(i => i.ConcreteObject == c)).ToList();
foreach (var addedValueItem in addedValueItems)
{
StyleLayerListItem valueItem = new ValueSubItem(addedValueItem, valueStyle.ColumnName);
Children.Add(valueItem);
}
}
}