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tvplanit: Fix VpFlexDatastore mapping issues and extend GetFieldName so that field mappings are needed only for differing field names. Both changes proposed by DonAlfredo (http://forum.lazarus.freepascal.org/index.php/topic,32918.msg212813.html#msg212813).

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git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@4735 8e941d3f-bd1b-0410-a28a-d453659cc2b4
This commit is contained in:
wp_xxyyzz
2016-06-13 09:28:07 +00:00
parent e76bce0df3
commit 9a1cfcd5f8
1 changed files with 41 additions and 28 deletions
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41
components/tvplanit/source/vpflxds.pas
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@ -1110,11 +1110,11 @@ begin
begin
FResourceDataSrc.DataSet.Open;
FN := GetFieldName(FEventMappings, 'ResourceID');
// FN := GetFieldName(FEventMappings, 'ResourceID');
FN := GetFieldName(FResourceMappings, 'ResourceID');
if (FN <> '') and FResourceDataSrc.DataSet.Locate(FN, Resource.ResourceID, [])
then begin
SetFilterCriteria(FEventsDataSrc.DataSet, False, Resource.ResourceID,
0, 0);
SetFilterCriteria(FEventsDataSrc.DataSet, False, Resource.ResourceID, 0, 0);
for J := pred(Resource.Schedule.EventCount) downto 0 do begin
Event := Resource.Schedule.GetEvent(J);
@ -1536,7 +1536,8 @@ begin
begin
FResourceDataSrc.DataSet.Open;
if FResourceDataSrc.DataSet.Active then begin
FN := GetFieldName(FTaskMappings, 'ResourceID');
// FN := GetFieldName(FTaskMappings, 'ResourceID');
FN := GetFieldName(FResourceMappings, 'ResourceID');
{ Dump this resource's dirty contacts to the DB }
if not FResourceDataSrc.DataSet.Locate(FN, Resource.ResourceID, []) then
Exit;
@ -2069,8 +2070,7 @@ var
begin
I := 0;
result := '';
while (I < Mappings.Count)
and (result = '') do begin
while (I < Mappings.Count) and (result = '') do begin
FM := TVpFieldMapping(Mappings.Items[I]);
if Uppercase(FM.VPField) = Uppercase(VPField) then begin
result := FM.DBField;
@ -2079,30 +2079,43 @@ begin
Inc(I);
end;
end;
*)
*)
{ returns the name of the dataset field currently mapped to the }
{ specified internal Visual PlanIt field. If not field is mapped, }
{ then it returns the Visual PlanIt field name }
{ then it returns the Visual PlanIt field name, but if the field }
{ is not available in the database it returns an empty string. }
function TVpFlexDataStore.GetFieldName(Mappings: TCollection;
VPField: string): string;
function FieldAvail(AFieldName: String; ADataset: TDataset): Boolean;
begin
Result := ADataset.FieldDefs.IndexOf(AFieldName) > -1;
end;
var
I: integer;
FM: TVpFieldMapping;
begin
// Use PlanIt field name as default, i.e. mappings only required for fields
// with different names.
result := VpField;
I := 0;
result := '';
if Mappings.Count = 0 then
Result := VpField
else
while (I < Mappings.Count) and (result = '') do begin
while (I < Mappings.Count) do begin
FM := TVpFieldMapping(Mappings.Items[I]);
if Uppercase(FM.VPField) = Uppercase(VPField) then begin
result := FM.DBField;
Result := FM.DBField;
break;
end;
Inc(I);
end;
// Make sure that non-existing fields are identified by an empty return string
if ((Mappings = FResourceMappings) and not FieldAvail(Result, ResourceTable)) or
((Mappings = FContactMappings) and not FieldAvail(Result, ContactsTable)) or
((Mappings = FEventMappings) and not FieldAvail(Result, EventsTable)) or
((Mappings = FTaskMappings) and not FieldAvail(Result, TasksTable))
then
Result := '';
end;
{=====}