purchasedm.pas

来自「非常地全面完整的物流供应链管理系统 包含全部的需求文档」· PAS 代码 · 共 80 行

unit PurchaseDm;

{$WARN SYMBOL_PLATFORM OFF}

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  ComServ, ComObj, VCLCom, StdVcl, bdemts, DataBkr, DBClient,
  MtsRdm, Mtx, PurchaseListData_TLB, Provider, DB, ADODB;

type
  TmtsPurchaseListObj = class(TMtsDataModule, ImtsPurchaseListObj)
    ADOTPurchaseListMaster: TADOTable;
    dspPurchaseListMaster: TDataSetProvider;
    dspPurchaseListSlave: TDataSetProvider;
    ADOTPurchaseListSlave: TADOTable;
    dspVendor: TDataSetProvider;
    ADOTVendor: TADOTable;
    ADOConnection: TADOConnection;
    procedure MtsDataModuleActivate(Sender: TObject);
    procedure MtsDataModuleDeactivate(Sender: TObject);
    procedure MtsDataModuleCreate(Sender: TObject);
  private
    { Private declarations }
  protected
    class procedure UpdateRegistry(Register: Boolean; const ClassID, ProgID: string); override;
  public
    { Public declarations }
  end;

var
  mtsPurchaseListObj: TmtsPurchaseListObj;

implementation
uses uDBConfig, uGlobal;
{$R *.DFM}

class procedure TmtsPurchaseListObj.UpdateRegistry(Register: Boolean; const ClassID, ProgID: string);
begin
  if Register then
  begin
    inherited UpdateRegistry(Register, ClassID, ProgID);
    EnableSocketTransport(ClassID);
    EnableWebTransport(ClassID);
  end else
  begin
    DisableSocketTransport(ClassID);
    DisableWebTransport(ClassID);
    inherited UpdateRegistry(Register, ClassID, ProgID);
  end;
end;

procedure TmtsPurchaseListObj.MtsDataModuleActivate(Sender: TObject);
begin
  try
    ADOConnection.Connected := true;
    ADOTPurchaseListMaster.Active := true;
    ADOTPurchaseListSlave.Active := true;
    ADOTVendor.Active := true;
  except
    raise Exception.Create(ERRORDBCONNECT);
  end;
end;

procedure TmtsPurchaseListObj.MtsDataModuleDeactivate(Sender: TObject);
begin
  ADOConnection.Connected := false;
end;

procedure TmtsPurchaseListObj.MtsDataModuleCreate(Sender: TObject);
begin
  ADOConnection.Close;
  ADOConnection.ConnectionString := GetConnectionString;
end;

initialization
  TComponentFactory.Create(ComServer, TmtsPurchaseListObj,
    Class_mtsPurchaseListObj, ciMultiInstance, tmApartment);
end.