public override object GetItemPropertyValue (ListItemProvider item,
int propertyId)
{
if (propertyId == AutomationElementIdentifiers.NameProperty.Id)
return comboboxControl.GetItemText (item.ObjectItem);
int topItem = -1;
if (ListBoxControl != null)
topItem = ListBoxControl.UIATopItem;
if (ContainsItem (item) == false)
return null;
else if (propertyId == AutomationElementIdentifiers.HasKeyboardFocusProperty.Id)
return comboboxControl.Focused && item.Index == comboboxControl.SelectedIndex;
else if (propertyId == AutomationElementIdentifiers.BoundingRectangleProperty.Id) {
//FIXME: We need to improve this
int index = item.Index;
System.Drawing.Rectangle rectangle = System.Drawing.Rectangle.Empty;
System.Drawing.Rectangle bounds = System.Drawing.Rectangle.Empty;
if (ListBoxControl == null)
bounds = comboboxControl.Bounds;
else
bounds = ListBoxControl.Bounds;
int itemHeight = comboboxControl.GetItemHeight (0);// TODO: always true?
rectangle.Height = comboboxControl.GetItemHeight (index);
rectangle.Width = bounds.Width;
rectangle.X = bounds.X;
rectangle.Y = bounds.Y + (index * itemHeight) - (topItem * itemHeight);// decreaseY;
if (ListBoxControl == null)
return Helper.GetControlScreenBounds (rectangle, comboboxControl);
else
return Helper.GetControlScreenBounds (rectangle, ListBoxControl);
} else if (propertyId == AutomationElementIdentifiers.IsOffscreenProperty.Id) {
if (comboboxControl.SelectedIndex == item.Index)
return false;
if (topItem == -1 || !ListBoxControl.Visible)
return !(comboboxControl.SelectedIndex == item.Index);
int lastItem = ListBoxControl.UIALastItem;
if ((item.Index >= topItem && item.Index < lastItem)
|| (item.Index == lastItem && comboboxControl.Items.Count == lastItem + 1))
return false;
else
return true;
} else
return null;
}
