private void ChangeKeyLogic()
{
if (!string.IsNullOrEmpty(SelectedWarehouseLocation.WarehouseLocationID))
{//check to see if key is part of the current companylist...
WarehouseLocation query = WarehouseLocationList.Where(company => company.WarehouseLocationID == SelectedWarehouseLocation.WarehouseLocationID &&
company.AutoID != SelectedWarehouseLocation.AutoID).FirstOrDefault();
if (query != null)
{//revert it back
SelectedWarehouseLocation.WarehouseLocationID = SelectedWarehouseLocationMirror.WarehouseLocationID;
//change to the newly selected company...
SelectedWarehouseLocation = query;
return;
}
//it is not part of the existing list try to fetch it from the db...
WarehouseLocationList = GetWarehouseLocationByID(SelectedWarehouseLocation.WarehouseLocationID, XERP.Client.ClientSessionSingleton.Instance.CompanyID);
if (WarehouseLocationList.Count == 0)//it was not found do new record required logic...
{
NotifyNewRecordNeeded("Record " + SelectedWarehouseLocation.WarehouseLocationID + " Does Not Exist. Create A New Record?");
}
else
{
SelectedWarehouseLocation = WarehouseLocationList.FirstOrDefault();
}
}
else
{
string errorMessage = "ID Is Required.";
NotifyMessage(errorMessage);
//revert back to the value it was before it was changed...
if (SelectedWarehouseLocation.WarehouseLocationID != SelectedWarehouseLocationMirror.WarehouseLocationID)
{
SelectedWarehouseLocation.WarehouseLocationID = SelectedWarehouseLocationMirror.WarehouseLocationID;
}
}
}
private void SelectedWarehouseLocationBin_PropertyChanged(object sender, PropertyChangedEventArgs e)
{//these properties are not to be persisted we will igore them...
if (e.PropertyName == "IsSelected" ||
e.PropertyName == "IsExpanded" ||
e.PropertyName == "IsValid" ||
e.PropertyName == "NotValidMessage" ||
e.PropertyName == "LastModifiedBy" ||
e.PropertyName == "LastModifiedByDate" ||
e.PropertyName == "PlantID" ||
e.PropertyName == "WarehouseID")
{//WarehouseID and PlantID or set from the WarehouseLocation selection...
return;
}
//Key ID Logic...
if (e.PropertyName == "WarehouseLocationBinID")
{//make sure it is has changed...
if (SelectedWarehouseLocationBinMirror.WarehouseLocationBinID != SelectedWarehouseLocationBin.WarehouseLocationBinID)
{
//if their are no records it is a key change
if (WarehouseLocationBinList != null && WarehouseLocationBinList.Count == 0 &&
SelectedWarehouseLocationBin != null && !string.IsNullOrEmpty(SelectedWarehouseLocationBin.WarehouseLocationBinID))
{
ChangeKeyLogic();
return;
}
EntityStates entityState = GetWarehouseLocationBinState(SelectedWarehouseLocationBin);
if (entityState == EntityStates.Unchanged ||
entityState == EntityStates.Modified)
{ //once a key is added it can not be modified...
if (Dirty && AllowCommit) //dirty record exists ask if save is required...
{
NotifySaveRequired("Do you want to save changes?", _saveRequiredResultActions.ChangeKeyLogic);
}
else
{
ChangeKeyLogic();
}
return;
}
}
}//end KeyID logic...
//2ndary key logic... when this key is selected we will populate it upstream keys...
if (e.PropertyName == "WarehouseLocationID" &&
SelectedWarehouseLocationBinMirror.WarehouseLocationID != SelectedWarehouseLocationBin.WarehouseLocationID)
{
//look up WarehouseLocation to fetch its upstream properties...
WarehouseLocation item = WarehouseLocationList.Where(q => q.WarehouseLocationID == SelectedWarehouseLocationBin.WarehouseLocationID).FirstOrDefault();
SelectedWarehouseLocationBin.WarehouseID = item.WarehouseID;
SelectedWarehouseLocationBin.PlantID = item.PlantID;
}
object propertyChangedValue = SelectedWarehouseLocationBin.GetPropertyValue(e.PropertyName);
object prevPropertyValue = SelectedWarehouseLocationBinMirror.GetPropertyValue(e.PropertyName);
string propertyType = SelectedWarehouseLocationBin.GetPropertyType(e.PropertyName);
//in some instances the value is not really changing but yet it still is tripping property change..
//This will ensure that the field has physically been modified...
//As well when we revert back it constitutes a property change but they will be = and it will bypass the logic...
bool objectsAreEqual;
if (propertyChangedValue == null)
{
if (prevPropertyValue == null)//both values are null
{
objectsAreEqual = true;
}
else//only one value is null
{
objectsAreEqual = false;
}
}
else
{
if (prevPropertyValue == null)//only one value is null
{
objectsAreEqual = false;
}
else //both values are not null use .Equals...
{
objectsAreEqual = propertyChangedValue.Equals(prevPropertyValue);
}
}
if (!objectsAreEqual)
{
//Here we do property change validation if false is returned we will reset the value
//Back to its mirrored value and return out of the property change w/o updating the repository...
if (WarehouseLocationBinPropertyChangeIsValid(e.PropertyName, propertyChangedValue, prevPropertyValue, propertyType))
{
Update(SelectedWarehouseLocationBin);
//set the mirrored objects field...
SelectedWarehouseLocationBinMirror.SetPropertyValue(e.PropertyName, propertyChangedValue);
SelectedWarehouseLocationBinMirror.IsValid = SelectedWarehouseLocationBin.IsValid;
SelectedWarehouseLocationBinMirror.IsExpanded = SelectedWarehouseLocationBin.IsExpanded;
SelectedWarehouseLocationBinMirror.NotValidMessage = SelectedWarehouseLocationBin.NotValidMessage;
}
else
{
SelectedWarehouseLocationBin.SetPropertyValue(e.PropertyName, prevPropertyValue);
SelectedWarehouseLocationBin.IsValid = SelectedWarehouseLocationBinMirror.IsValid;
SelectedWarehouseLocationBin.IsExpanded = SelectedWarehouseLocationBinMirror.IsExpanded;
SelectedWarehouseLocationBin.NotValidMessage = SelectedWarehouseLocationBinMirror.NotValidMessage;
}
}
}