david
fd289722e5
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@29 05c56307-c608-d34a-929d-697000501d7a
122 lines
3.8 KiB
ObjectPascal
122 lines
3.8 KiB
ObjectPascal
unit MasterDetailChartDemoMain;
|
|
|
|
interface
|
|
|
|
uses
|
|
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
|
|
Dialogs, cxStyles, cxCustomData, cxGraphics, cxFilter, cxData,
|
|
cxDataStorage, cxEdit, DB, cxDBData, cxGridLevel, cxClasses, cxControls,
|
|
cxGridCustomView, cxGridCustomTableView, cxGridTableView,
|
|
cxGridDBTableView, cxGrid, StdCtrls, DBTables, cxLookAndFeels, Menus,
|
|
cxGridChartView, cxGridDBChartView;
|
|
|
|
type
|
|
TfrmMain = class(TForm)
|
|
dbMain: TDatabase;
|
|
mmMain: TMainMenu;
|
|
miFile: TMenuItem;
|
|
miExit: TMenuItem;
|
|
miAbout: TMenuItem;
|
|
LookAndFeelController: TcxLookAndFeelController;
|
|
dsOrders: TDataSource;
|
|
tblOrders: TTable;
|
|
tblOrdersID: TAutoIncField;
|
|
tblOrdersCustomerID: TIntegerField;
|
|
tblOrdersProductID: TIntegerField;
|
|
tblOrdersPurchaseDate: TDateTimeField;
|
|
tblOrdersTime: TDateTimeField;
|
|
tblOrdersPaymentType: TStringField;
|
|
tblOrdersPaymentAmount: TCurrencyField;
|
|
tblOrdersDescription: TMemoField;
|
|
tblOrdersQuantity: TIntegerField;
|
|
tblProducts: TTable;
|
|
tblCustomers: TTable;
|
|
Label1: TLabel;
|
|
tvCustomers: TcxGridDBTableView;
|
|
grMainLevel1: TcxGridLevel;
|
|
grMain: TcxGrid;
|
|
grMainLevel2: TcxGridLevel;
|
|
chvOrders: TcxGridDBChartView;
|
|
dsCustomers: TDataSource;
|
|
tvCustomersID: TcxGridDBColumn;
|
|
tvCustomersFirstName: TcxGridDBColumn;
|
|
tvCustomersLastName: TcxGridDBColumn;
|
|
tvCustomersCompany: TcxGridDBColumn;
|
|
tvCustomersAddress: TcxGridDBColumn;
|
|
tvCustomersCity: TcxGridDBColumn;
|
|
tvCustomersState: TcxGridDBColumn;
|
|
tvCustomersZipCode: TcxGridDBColumn;
|
|
tvCustomersEmail: TcxGridDBColumn;
|
|
chvOrdersPaymentAmountSeries: TcxGridDBChartSeries;
|
|
chvOrdersProductIDSeries: TcxGridDBChartSeries;
|
|
chvOrdersQuantitySeries: TcxGridDBChartSeries;
|
|
qryProducts: TQuery;
|
|
grMainLevel3: TcxGridLevel;
|
|
chvProducts: TcxGridDBChartView;
|
|
dsProducts: TDataSource;
|
|
chvProductsCopiesSeries: TcxGridDBChartSeries;
|
|
procedure miExitClick(Sender: TObject);
|
|
procedure miAboutClick(Sender: TObject);
|
|
procedure FormCreate(Sender: TObject);
|
|
procedure chvOrdersGetValueHint(Sender: TcxGridChartView;
|
|
ASeries: TcxGridChartSeries; AValueIndex: Integer;
|
|
var AHint: String);
|
|
procedure chvOrdersCategoriesGetValueDisplayText(Sender: TObject;
|
|
const AValue: Variant; var ADisplayText: string);
|
|
protected
|
|
function GetProductName(AID: Integer): string;
|
|
end;
|
|
|
|
var
|
|
frmMain: TfrmMain;
|
|
|
|
implementation
|
|
|
|
{$R *.dfm}
|
|
|
|
uses
|
|
AboutDemoForm;
|
|
|
|
function TfrmMain.GetProductName(AID: Integer): string;
|
|
begin
|
|
if tblProducts.FindKey([AID]) then
|
|
Result := (tblProducts.FieldValues['Name'])
|
|
else
|
|
Result := '';
|
|
end;
|
|
|
|
procedure TfrmMain.miExitClick(Sender: TObject);
|
|
begin
|
|
Close;
|
|
end;
|
|
|
|
procedure TfrmMain.miAboutClick(Sender: TObject);
|
|
begin
|
|
ShowAboutDemoForm;
|
|
end;
|
|
|
|
procedure TfrmMain.FormCreate(Sender: TObject);
|
|
begin
|
|
tvCustomers.ViewData.Rows[0].Expanded := True;
|
|
tvCustomers.ViewData.Rows[1].Expanded := True;
|
|
(tvCustomers.ViewData.Rows[1] as TcxGridMasterDataRow).ActiveDetailIndex := 1;
|
|
end;
|
|
|
|
procedure TfrmMain.chvOrdersCategoriesGetValueDisplayText(Sender: TObject;
|
|
const AValue: Variant; var ADisplayText: string);
|
|
begin
|
|
ADisplayText := '#' + ADisplayText;
|
|
end;
|
|
|
|
procedure TfrmMain.chvOrdersGetValueHint(Sender: TcxGridChartView;
|
|
ASeries: TcxGridChartSeries; AValueIndex: Integer; var AHint: String);
|
|
begin
|
|
AHint := Format('Order %s (%d copies of %s) for %s',
|
|
[Sender.Categories.VisibleDisplayTexts[AValueIndex],
|
|
Integer(Sender.FindSeriesByID(chvOrdersQuantitySeries.ID).VisibleValues[AValueIndex]),
|
|
GetProductName(Integer(Sender.FindSeriesByID(chvOrdersProductIDSeries.ID).VisibleValues[AValueIndex])),
|
|
ASeries.VisibleDisplayTexts[AValueIndex]]);
|
|
end;
|
|
|
|
end.
|