//UdList Object Scope Validation check the entire object for validity...
private byte UdListIsValid(UdList udList, out string errorMessage)
{
//validate key
errorMessage = "";
if (string.IsNullOrEmpty(udList.UdListID))
{
errorMessage = "ID Is Required.";
return(1);
}
EntityStates entityState = GetUdListState(udList);
if (entityState == EntityStates.Added && UdListExists(udList.UdListID))
{
errorMessage = "Item All Ready Exists.";
return(1);
}
//check cached list for duplicates...
int count = UdListList.Count(q => q.UdListID == udList.UdListID);
if (count > 1)
{
errorMessage = "Item All Ready Exists.";
return(1);
}
//validate Description
if (string.IsNullOrEmpty(udList.Name))
{
errorMessage = "Name Is Required.";
return(1);
}
return(2);
}
//UdList Object Scope Validation validate entire object...
private byte UdListItemIsValid(UdListItem udListItem, out string errorMessage)
{
//validate key
errorMessage = "";
if (string.IsNullOrEmpty(udListItem.UdListItemID))
{
errorMessage = "ID Is Required.";
return(1);
}
var count = UdListList.
Where(q => q.UdListID == udListItem.UdListID).Single().
UdListItems.
Where(x => x.UdListItemID == udListItem.UdListItemID).Count();
if (count > 1)
{
errorMessage = "UdListItem ID " + udListItem.UdListItemID + " Allready Exists...";
return(1);
}
if (UdListItemExists(udListItem.UdListID, udListItem.UdListItemID.ToString(), (int)udListItem.AutoID))
{
errorMessage = "UdListItem ID " + udListItem.UdListItemID + " Allready Exists...";
return(1);
}
//validate Description
if (string.IsNullOrEmpty(udListItem.Description))
{
errorMessage = "Description Is Required.";
return(1);
}
return(0);
}
public void DeleteUdListCommand()
{
int i = 0;
int ii = 0;
for (int j = SelectedUdListList.Count - 1; j >= 0; j--)
{
UdList udList = (UdList)SelectedUdListList[j];
//get Max Index...
i = UdListList.IndexOf(udList);
if (i > ii)
{
ii = i;
}
Delete(udList);
UdListList.Remove(udList);
}
if (UdListList != null && UdListList.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 >= UdListList.Count())
{
ii = UdListList.Count - 1;
}
SelectedUdList = UdListList[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();
}
}
public void DeleteUdListItemCommand()
{
int i = 0; //temp index
int ii = 0; //calculated index
for (int j = SelectedUdListItemList.Count - 1; j >= 0; j--)
{
UdListItem udListItem = (UdListItem)SelectedUdListItemList[j];
//get Max Index...
i = SelectedUdList.UdListItems.IndexOf(udListItem);
if (i > ii)
{
ii = i;
}
Delete(udListItem);
UdListList.Where(q => q.AutoID == SelectedUdList.AutoID).FirstOrDefault().UdListItems.Remove(udListItem);
}
if (UdListList != null && SelectedUdList != null && SelectedUdList.UdListItems.Count > 0)
{
//back off one index from the max index...
ii = ii - 1;
//if they delete the first row...
if (ii < 0)
{
ii = 0;
}
//need some work on this...
//make sure it does not exceed the list count...
if (ii >= SelectedUdList.UdListItems.Count)
{
ii = SelectedUdList.UdListItems.Count - 1;
}
//only allow commit for dirty validated records...
SelectedUdListItem = SelectedUdList.UdListItems[ii];
if (Dirty)
{
AllowCommit = CommitIsAllowed();
}
else
{
AllowCommit = false;
}
}
else//only one record, deleting will result in no records...
{
SetAsEmptySelection();
}
}
private void OnSearchResult(object sender, NotificationEventArgs <BindingList <UdList> > e)
{
if (e.Data != null && e.Data.Count > 0)
{
UdListList = e.Data;
SelectedUdList = UdListList.FirstOrDefault();
if (SelectedUdList.UdListItems.Count > 0)
{
SelectedUdListItem = SelectedUdList.UdListItems[0];
}
Dirty = false;
AllowCommit = false;
}
UnregisterToReceiveMessages <BindingList <UdList> >(MessageTokens.UdListSearchToken.ToString(), OnSearchResult);
}
private bool NewUdListItem(string udListItemID)
{
UdListItem udListItem = new UdListItem();
_newUdListItemAutoId = _newUdListItemAutoId - 1;
udListItem.AutoID = _newUdListItemAutoId;
udListItem.UdListID = SelectedUdList.UdListID;
udListItem.UdListItemID = udListItemID;
udListItem.IsValid = 1;
udListItem.NotValidMessage = "New Record Key Field/s Required.";
udListItem.CompanyID = ClientSessionSingleton.Instance.CompanyID;
UdListList.Where(q => q.AutoID == SelectedUdList.AutoID).FirstOrDefault().UdListItems.Add(udListItem);
_serviceAgent.AddToUdListRepository(udListItem);
SelectedUdListItem = SelectedUdList.UdListItems.LastOrDefault();
AllowEditUdListItem = true;
return(true);
}
//UdListItem Object.Property Scope Validation...
private bool UdListItemIsValid(UdListItem udListItem, _udListItemValidationProperties validationProperties, out string errorMessage)
{
errorMessage = "";
switch (validationProperties)
{
case _udListItemValidationProperties.UdListItemID:
//validate key
if (string.IsNullOrEmpty(udListItem.UdListItemID))
{
errorMessage = "ID Is Required.";
return(false);
}
var count = UdListList.
Where(q => q.UdListID == udListItem.UdListID).Single().
UdListItems.
Where(x => x.UdListItemID == udListItem.UdListItemID).Count();
if (count > 1)
{
errorMessage = "UdListItem ID " + udListItem.UdListItemID + " Allready Exists...";
return(false);
}
if (UdListItemExists(udListItem.UdListID, udListItem.UdListItemID.ToString(), (int)udListItem.AutoID))
{
errorMessage = "UdListItem ID " + udListItem.UdListItemID + " Allready Exists...";
return(false);
}
break;
case _udListItemValidationProperties.Description:
//validate Description
if (string.IsNullOrEmpty(udListItem.Description))
{
errorMessage = "Description Is Required.";
return(false);
}
break;
}
return(true);
}
//Object.Property Scope Validation...
private bool UdListIsValid(UdList udList, _udListValidationProperties validationProperties, out string errorMessage)
{
errorMessage = "";
switch (validationProperties)
{
case _udListValidationProperties.UdListID:
//validate key
if (string.IsNullOrEmpty(udList.UdListID))
{
errorMessage = "ID Is Required.";
return(false);
}
EntityStates entityState = GetUdListState(udList);
if (entityState == EntityStates.Added && UdListExists(udList.UdListID))
{
errorMessage = "Item All Ready Exists...";
return(false);
}
//check cached list for duplicates...
int count = UdListList.Count(q => q.UdListID == udList.UdListID);
if (count > 1)
{
errorMessage = "Item All Ready Exists...";
return(false);
}
break;
case _udListValidationProperties.Name:
//validate Description
if (string.IsNullOrEmpty(udList.Name))
{
errorMessage = "Description Is Required.";
return(false);
}
break;
}
return(true);
}
private bool NewUdList(string udListID)
{
UdList udList = new UdList();
//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...
_newUdListAutoId = _newUdListAutoId - 1;
udList.AutoID = _newUdListAutoId;
udList.UdListID = udListID;
udList.CompanyID = ClientSessionSingleton.Instance.CompanyID;
udList.IsValid = 1;
udList.NotValidMessage = "New Record Key Field/s Are Required.";
UdListList.Add(udList);
_serviceAgent.AddToUdListRepository(udList);
SelectedUdList = UdListList.LastOrDefault();
AllowEdit = true;
Dirty = false;
return(true);
}
private void ChangeKeyLogic()
{
if (!string.IsNullOrEmpty(SelectedUdList.UdListID))
{
//check to see if key is part of the current udListlist...
UdList query = UdListList.Where(udList => udList.UdListID == SelectedUdList.UdListID &&
udList.AutoID != SelectedUdList.AutoID).FirstOrDefault();
if (query != null)
{//change to the newly selected udList...
//before navigating to the newly selected client cached record revert the old one back to what it was...
SelectedUdList.UdListID = SelectedUdListMirror.UdListID;
SelectedUdList = query;
return;
}
//it is not part of the existing list try to fetch it from the db...
UdListList = GetUdListByID(SelectedUdList.UdListID, ClientSessionSingleton.Instance.CompanyID);
if (UdListList.Count == 0)
{//it was not found do new record required logic...
NotifyNewRecordNeeded("Record " + SelectedUdList.UdListID + " Does Not Exist. Create A New Record?");
}
else
{
SelectedUdList = UdListList.FirstOrDefault();
}
}
else
{
string errorMessage = "ID Is Required.";
NotifyMessage(errorMessage);
//revert back to the value it was before it was changed...
if (SelectedUdList.UdListID != SelectedUdListMirror.UdListID)
{
SelectedUdList.UdListID = SelectedUdListMirror.UdListID;
}
}
}
public void ClearLogic()
{
UdListList.Clear();
SetAsEmptySelection();
SetAsEmptyItemSelection();
}