/// <summary>
/// convert from ScreenDefnModel to ScreenDefn.
/// </summary>
/// <param name="value"></param>
/// <param name="targetType"></param>
/// <param name="parameter"></param>
/// <param name="culture"></param>
/// <returns></returns>
public object ConvertBack(object value, Type targetType,
object parameter, CultureInfo culture)
{
var model = value as ScreenDefnModel;
var defn = new ScreenDefn(model);
return(defn);
}
/// <summary>
/// convert screenDefn model class to ScreenDefn class.
/// </summary>
/// <returns></returns>
public ScreenDefn ToScreenDefn()
{
var defn = new ScreenDefn(
this.ScreenName, this.NamespaceName, this.ScreenGuid, this.ScreenDim, this.ModelItems);
var jj = from a in this.ModelItems
select ScreenItem.Factory(a);
defn.Items = jj.ToList();
return defn;
}
/// <summary>
/// see the ModelChanged event of the ScreenDefnControl control.
/// When the Model property of ScreenDefnControl changes, the code behind of that control
/// signals its ModelChanged event. This collection control monitors that event. When the
/// model changes ( item is clicked in the listview of screen defn models. ) want to
/// apply changes back to the list of screen definitions.
/// </summary>
/// <param name="obj"></param>
private void ScreenDefnControl_ModelChanged(IScreenDefn obj)
{
if (obj != null)
{
var item = this.ScreenDefnObservableList.FirstOrDefault(c => c.ScreenName == obj.ScreenName);
if (item != null)
{
var ix = this.ScreenDefnObservableList.IndexOf(item);
var defn = new ScreenDefn(obj);
this.ScreenDefnObservableList.Insert(ix, defn);
this.ScreenDefnObservableList.Remove(item);
}
}
}
