//DBStoredImage Object Scope Validation check the entire object for validity...
private byte DBStoredImageIsValid(DBStoredImage item, out string errorMessage)
{ //validate key
errorMessage = "";
if (string.IsNullOrEmpty(item.ImageID))
{
errorMessage = "ID Is Required.";
return(1);
}
EntityStates entityState = GetDBStoredImageState(item);
if (entityState == EntityStates.Added && DBStoredImageExists(item.ImageID))
{
errorMessage = "Item AllReady Exists.";
return(1);
}
//check cached list for duplicates...
int count = DBStoredImageList.Count(q => q.ImageID == item.ImageID);
if (count > 1)
{
errorMessage = "Item AllReady Exists.";
return(1);
}
////validate Description
//if (string.IsNullOrEmpty(item.Name))
//{
// errorMessage = "Name Is Required.";
// return 1;
//}
////a value of 2 is pending changes...
////On Commit we will give it a value of 0...
return(2);
}
private void ChangeKeyLogic()
{
if (!string.IsNullOrEmpty(SelectedDBStoredImage.ImageID))
{//check to see if key is part of the current companylist...
DBStoredImage query = DBStoredImageList.Where(company => company.ImageID == SelectedDBStoredImage.ImageID &&
company.AutoID != SelectedDBStoredImage.AutoID).FirstOrDefault();
if (query != null)
{//revert it back
SelectedDBStoredImage.ImageID = SelectedDBStoredImageMirror.ImageID;
//change to the newly selected company...
SelectedDBStoredImage = query;
return;
}
//it is not part of the existing list try to fetch it from the db...
DBStoredImageList = GetDBStoredImageByID(SelectedDBStoredImage.ImageID, XERP.Client.ClientSessionSingleton.Instance.CompanyID);
if (DBStoredImageList.Count == 0)//it was not found do new record required logic...
{
NotifyNewRecordNeeded("Record " + SelectedDBStoredImage.ImageID + " Does Not Exist. Create A New Record?");
}
else
{
SelectedDBStoredImage = DBStoredImageList.FirstOrDefault();
}
}
else
{
string errorMessage = "ID Is Required.";
NotifyMessage(errorMessage);
//revert back to the value it was before it was changed...
if (SelectedDBStoredImage.ImageID != SelectedDBStoredImageMirror.ImageID)
{
SelectedDBStoredImage.ImageID = SelectedDBStoredImageMirror.ImageID;
}
}
}
public void DeleteDBStoredImageCommand()
{
try
{
int i = 0;
int ii = 0;
for (int j = SelectedDBStoredImageList.Count - 1; j >= 0; j--)
{
DBStoredImage item = (DBStoredImage)SelectedDBStoredImageList[j];
//get Max Index...
i = DBStoredImageList.IndexOf(item);
if (i > ii)
{
ii = i;
}
Delete(item);
DBStoredImageList.Remove(item);
}
if (DBStoredImageList != null && DBStoredImageList.Count > 0)
{
//back off one index from the max index...
ii = ii - 1;
//if they delete the first row...
if (ii < 0)
{
ii = 0;
}
//make sure it does not exceed the list count...
if (ii >= DBStoredImageList.Count())
{
ii = DBStoredImageList.Count - 1;
}
SelectedDBStoredImage = DBStoredImageList[ii];
//we will only enable committ for dirty validated records...
if (Dirty == true)
{
AllowCommit = CommitIsAllowed();
}
else
{
AllowCommit = false;
}
}
else//only one record, deleting will result in no records...
{
SetAsEmptySelection();
}
}//we try catch company delete as it may be used in another table as a key...
//As well we will force a refresh to sqare up the UI after the botched delete...
catch
{
NotifyMessage("DBStoredImage/s Can Not Be Deleted. Contact XERP Admin For More Details.");
Refresh();
}
}
private void OnSearchResult(object sender, NotificationEventArgs <BindingList <DBStoredImage> > e)
{
if (e.Data != null && e.Data.Count > 0)
{
DBStoredImageList = e.Data;
SelectedDBStoredImage = DBStoredImageList.FirstOrDefault();
Dirty = false;
AllowCommit = false;
}
UnregisterToReceiveMessages <BindingList <DBStoredImage> >(MessageTokens.DBStoredImageSearchToken.ToString(), OnSearchResult);
}
//Object.Property Scope Validation...
private bool DBStoredImageIsValid(DBStoredImage item, _dBStoredImageValidationProperties validationProperties, out string errorMessage)
{
errorMessage = "";
switch (validationProperties)
{
case _dBStoredImageValidationProperties.ImageID:
//validate key
if (string.IsNullOrEmpty(item.ImageID))
{
errorMessage = "ID Is Required.";
return(false);
}
EntityStates entityState = GetDBStoredImageState(item);
if (entityState == EntityStates.Added && DBStoredImageExists(item.ImageID))
{
errorMessage = "Item All Ready Exists...";
return(false);
}
//check cached list for duplicates...
int count = DBStoredImageList.Count(q => q.ImageID == item.ImageID);
if (count > 1)
{
errorMessage = "Item All Ready Exists...";
return(false);
}
break;
//case _dBStoredImageValidationProperties.Name:
// //validate Description
// if (string.IsNullOrEmpty(item.Name))
// {
// errorMessage = "Description Is Required.";
// return false;
// }
// break;
}
return(true);
}
private bool NewDBStoredImage(string itemID)
{
DBStoredImage newItem = new DBStoredImage();
//all new records will be give a negative int autoid...
//when they are updated then sql will generate one for them overiding this set value...
//it will allow us to give uniqueness to the tempory new records...
//Before they are updated to the entity and given an autoid...
//we use a negative number and keep subtracting by 1 for each new item added...
//This will allow it to alwasy be unique and never interfere with SQL's positive autoid...
_newDBStoredImageAutoId = _newDBStoredImageAutoId - 1;
newItem.AutoID = _newDBStoredImageAutoId;
newItem.ImageID = itemID;
newItem.CompanyID = ClientSessionSingleton.Instance.CompanyID;
newItem.IsValid = 1;
newItem.NotValidMessage = "New Record Key Field/s Are Required.";
DBStoredImageList.Add(newItem);
_serviceAgent.AddToDBStoredImageRepository(newItem);
SelectedDBStoredImage = DBStoredImageList.LastOrDefault();
AllowEdit = true;
Dirty = false;
return(true);
}
public void ClearLogic()
{
DBStoredImageList.Clear();
SetAsEmptySelection();
}
