public object Convert(object value, Type targetType, object parameter, CultureInfo culture) {
if (value is ObservableCollection<WatermarkBase>) {
if (value != null) {
List<WatermarkSelection> watermarks = new List<WatermarkSelection>();
for (int i = 0; i < ((ObservableCollection<WatermarkBase>)value).Count; i++) {
WatermarkBase watermark = ((ObservableCollection<WatermarkBase>)value)[i];
WatermarkSelection ws = new WatermarkSelection {
Index = i
};
if (watermark is WatermarkImage) {
ws.WatermarkTypeDisplayText = Resources.LanguageContent.Label_Image;
ws.WatermarkType = "Image";
} else if (watermark is WatermarkText) {
ws.WatermarkTypeDisplayText = Resources.LanguageContent.Label_Text;
ws.WatermarkType = "Text";
}
watermarks.Add(ws);
}
return watermarks;
} else {
return null;
}
} else {
return null;
}
}
private void lbWatermarkCollection_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (e.AddedItems.Count > 0)
{
#if DEBUG
System.Diagnostics.Debug.WriteLine("watermark selection changed " + e.AddedItems[0].ToString() + " at " + DateTime.Now);
#endif
WatermarkSelection selectedItem = e.AddedItems[0] as WatermarkSelection;
switch (selectedItem.WatermarkType)
{
case "Image":
presenter.CreateWatermarkImageContent(selectedItem.Index);
break;
case "Text":
presenter.CreateWatermarkTextContent(selectedItem.Index);
break;
}
}
}
