89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
|
//---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#include <vcl.h>
|
||
|
|
#pragma hdrstop
|
||
|
|
|
||
|
|
#include "OLAPBrowserMain.h"
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
#pragma package(smart_init)
|
||
|
|
#pragma link "cxLookAndFeels"
|
||
|
|
#pragma link "DemoBasicMain"
|
||
|
|
#pragma link "cxClasses"
|
||
|
|
#pragma link "cxControls"
|
||
|
|
#pragma link "cxCustomData"
|
||
|
|
#pragma link "cxCustomPivotGrid"
|
||
|
|
#pragma link "cxGraphics"
|
||
|
|
#pragma link "cxPivotGrid"
|
||
|
|
#pragma link "cxPivotGridOLAPDataSource"
|
||
|
|
#pragma link "cxPivotGridOLAPConnectionDesigner"
|
||
|
|
#pragma link "cxStyles"
|
||
|
|
#pragma resource "*.dfm"
|
||
|
|
TfrmOlapBrowser *frmOlapBrowser;
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
__fastcall TfrmOlapBrowser::TfrmOlapBrowser(TComponent* Owner)
|
||
|
|
: TfrmDemoBaisicMain(Owner)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
TcxCustomPivotGrid* __fastcall TfrmOlapBrowser::PivotGrid()
|
||
|
|
{
|
||
|
|
return UnboundPivotGrid;
|
||
|
|
}
|
||
|
|
//---------------------------------------------------------------------------
|
||
|
|
|
||
|
|
void __fastcall TfrmOlapBrowser::SetFieldPos(
|
||
|
|
const String AFieldName, TcxPivotGridFieldArea AArea)
|
||
|
|
{
|
||
|
|
TcxPivotGridField* AField = PivotGrid()->GetFieldByName(AFieldName);
|
||
|
|
AField->Area = AArea;
|
||
|
|
AField->Visible = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void __fastcall TfrmOlapBrowser::FormCreate(TObject *Sender)
|
||
|
|
{
|
||
|
|
WideString APath = ExpandFileName("..\\..\\Data\\Northwind.cub");
|
||
|
|
if (!FileExists(APath)) return;
|
||
|
|
WideString ConnectionString = "Provider=MSOLAP.3;Integrated Security=SSPI;Persist Security Info=False;Data Source=";
|
||
|
|
PivotGrid()->BeginUpdate();
|
||
|
|
try {
|
||
|
|
OLAPDataSource->ConnectionString = ConnectionString + APath;
|
||
|
|
OLAPDataSource->Active = true;
|
||
|
|
OLAPDataSource->RetrieveFields(PivotGrid());
|
||
|
|
SetFieldPos("Country", faColumn);
|
||
|
|
SetFieldPos("City", faColumn);
|
||
|
|
SetFieldPos("Category Name", faRow);
|
||
|
|
SetFieldPos("Products", faRow);
|
||
|
|
SetFieldPos("Quantity", faData);
|
||
|
|
SetFieldPos("Discount", faData);
|
||
|
|
}
|
||
|
|
__finally {
|
||
|
|
PivotGrid()->EndUpdate();
|
||
|
|
PivotGrid()->ApplyBestFit();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void __fastcall TfrmOlapBrowser::NewConnection1Click(TObject *Sender)
|
||
|
|
{
|
||
|
|
int I, J;
|
||
|
|
WideString ACube;
|
||
|
|
|
||
|
|
PivotGrid()->BeginUpdate();
|
||
|
|
try {
|
||
|
|
OLAPDataSource->ConnectionString =
|
||
|
|
cxPivotGridOLAPCreateConnectionString(ACube, PivotGrid()->LookAndFeel);
|
||
|
|
OLAPDataSource->Cube = ACube;
|
||
|
|
OLAPDataSource->Active = True;
|
||
|
|
OLAPDataSource->RetrieveFields(PivotGrid());
|
||
|
|
for (I = 0; I < PivotGrid()->Groups->Count - 1; I++) {
|
||
|
|
for (J = 1; J < PivotGrid()->Groups->Items[I]->FieldCount; J++) {
|
||
|
|
PivotGrid()->Groups->Items[I]->Fields[J]->Visible = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
__finally {
|
||
|
|
PivotGrid()->EndUpdate();
|
||
|
|
PivotGrid()->Customization->Visible = true;
|
||
|
|
};
|
||
|
|
}
|