public TankListUIObjects GetTankList(long stationid)
{
currentStationId = stationid;
// populate our list of customers from the data access layer
TankListUIObjects iTabObjs = new TankListUIObjects();
try
{
App.Log.LogDebugMessage(String.Format(@"GetALLTank w stationid = {0}", stationid));
List <TankListRecord> iTabDataObjects = dataAccessLayer.GetAllTank(stationid);
foreach (TankListRecord iTabDataObject in iTabDataObjects)
{
// create a business object from each data object
TankUIObject tobj = new TankUIObject(iTabDataObject);
tobj.StationId = stationid;
iTabObjs.Add(tobj);
}
iTabObjs.TankListItemEndEdit += new TankListItemEndEditEventHandler(TankListItemEndEdit);
iTabObjs.CollectionChanged += new NotifyCollectionChangedEventHandler(TankListCollectionChanged);
App.Log.LogDebugMessage(String.Format(@"GetALLTank w stationid = {0} success!", stationid));
}
catch (Exception err)
{
App.Log.LogException(err);
//throw;
}
return(iTabObjs);
}
void TankListCollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
{
//throw new NotImplementedException();
if (e.Action == NotifyCollectionChangedAction.Remove)
{
try
{
foreach (object item in e.OldItems)
{
TankUIObject iTabObject = item as TankUIObject;
// use the data access layer to delete the wrapped data object
dataAccessLayer.DeleteTank(iTabObject.GetDataObject());
}
}
catch (Exception ex)
{
if (TankListPersistenceError != null)
{
TankListPersistenceError(this, ex);
}
App.Log.LogException(ex);
}
}
else if (e.Action == NotifyCollectionChangedAction.Add)
{
try
{
foreach (object item in e.NewItems)
{
TankUIObject iTabObject = item as TankUIObject;
iTabObject.StationId = currentStationId;
}
}
catch (Exception ex)
{
if (TankListPersistenceError != null)
{
TankListPersistenceError(this, ex);
}
App.Log.LogException(ex);
}
}
}
void TankListItemEndEdit(System.ComponentModel.IEditableObject sender)
{
//throw new NotImplementedException();
TankUIObject iTabObject = sender as TankUIObject;
try
{
//if (iTabObject.TankId == 0)
//{
// iTabObject.TankId = currTankId;
//}
// use the data access layer to update the wrapped data object
dataAccessLayer.UpdateTank(iTabObject.GetDataObject());
iTabObject.NotifyIdChange();
}
catch (Exception ex)
{
if (TankListPersistenceError != null)
{
TankListPersistenceError(this, ex);
}
App.Log.LogException(ex); App.Log.LogInfoMessage(ex.Message);
}
}
