unit ProjectPropertyDM;

interface

uses
  SysUtils, Classes, DBClient, Provider, DB, ADODB;

type
  TProjPropertyDM = class(TDataModule)
    atProjProperty: TADOTable;
    dspProjProperty: TDataSetProvider;
    cdsProjProperty: TClientDataSet;
    cdsProjPropertyID: TIntegerField;
    cdsProjPropertyName: TWideStringField;
    cdsProjPropertyItemValue: TWideStringField;
    atProjData: TADOTable;
    dspProjData: TDataSetProvider;
    cdsProjData: TClientDataSet;
    cdsProjDataBuildProjectID: TIntegerField;
    cdsProjDataBuildProjectName: TWideStringField;
    cdsProjDataProjectLocation: TWideStringField;
    cdsProjDataBuildUnit: TWideStringField;
    cdsProjDataAuthorUnit: TWideStringField;
    cdsProjDataBidder: TWideStringField;
    cdsProjDataAuthor: TWideStringField;
    cdsProjDataAuthorCertificate: TWideStringField;
    cdsProjDataAuditor: TWideStringField;
    cdsProjDataAuditorCertificate: TWideStringField;
    cdsProjDataBudgetProjectName: TWideStringField;
    cdsProjDataEditRange: TWideStringField;
    cdsProjDataEditDate: TDateTimeField;
    cdsProjDataMachineBBFeeRate: TFloatField;
    cdsProjDataFZFeeRate: TFloatField;
    cdsProjDataIsCalcGYFeeRate: TBooleanField;
    cdsProjDataRoadLength: TFloatField;
    cdsProjDataAvgMaintMonth: TFloatField;
    cdsProjDataRoadClass: TIntegerField;
    cdsProjDataIsNew: TBooleanField;
    cdsProjDataLandForm: TIntegerField;
    cdsProjDataDJZG: TFloatField;
    cdsProjDataYJZG: TFloatField;
    cdsProjDataNightZG: TFloatField;
    cdsProjDataRaiseRateByYear: TFloatField;
    cdsProjDataRaiseYear: TFloatField;
    cdsProjDataBuildManageFeeFile: TIntegerField;
  private
    FConnection: TADOConnection;
    procedure SetConnection(const Value: TADOConnection);
    procedure SetActive(const Value: Boolean);
    function GetActive: Boolean;

    procedure CheckActive;
    procedure EditProperty(aProjType: Integer);
    procedure EditProjData;
    property Active: Boolean read GetActive write SetActive;
  public
    property Connection: TADOConnection read FConnection write SetConnection;
    procedure EditProjProperty(aProjType: Integer);
    procedure Save;
    function GetProjectType: Integer;
  end;

implementation

uses
  Math, ConstVarUnit;

{$R *.dfm}

{ TProjPropertyDM }

procedure TProjPropertyDM.CheckActive;
begin
  if not Active then
    Active := True;
end;

procedure TProjPropertyDM.EditProjData;
begin
  cdsProjData.First;
  while not cdsProjData.Eof do
  begin
    cdsProjData.Edit;
    cdsProjDataEditDate.Value := Now;
    cdsProjData.Post;
    cdsProjData.Next;
  end;
end;

procedure TProjPropertyDM.EditProjProperty(aProjType: Integer);
begin
  CheckActive;
  EditProperty(aProjType);
  EditProjData;
end;

procedure TProjPropertyDM.EditProperty(aProjType: Integer);
begin
  cdsProjProperty.First;
  while not cdsProjProperty.Eof do
  begin
    if cdsProjPropertyName.Value = sProjType then
    begin
      cdsProjProperty.Edit;
      cdsProjPropertyItemValue.Value := IntToStr(aProjType);
      cdsProjProperty.Post;
      Break;
    end;
    cdsProjProperty.Next;
  end;
end;

function TProjPropertyDM.GetActive: Boolean;
begin
  Result := cdsProjProperty.Active and cdsProjData.Active; 
end;

function TProjPropertyDM.GetProjectType: Integer;
begin
  Result := -1;
  cdsProjProperty.First;
  while not cdsProjProperty.Eof do
  begin
    if cdsProjPropertyName.Value = sProjType then
    begin
      Result := StrToIntDef(cdsProjPropertyItemValue.Value, 1);
      Break;
    end;
    cdsProjProperty.Next;
  end;
end;

procedure TProjPropertyDM.Save;
begin
  cdsProjProperty.ApplyUpdates(0);
  cdsProjData.ApplyUpdates(0);
end;

procedure TProjPropertyDM.SetActive(const Value: Boolean);
begin
  cdsProjProperty.Active := Value;
  cdsProjData.Active := Value;
end;

procedure TProjPropertyDM.SetConnection(const Value: TADOConnection);
begin
  FConnection := Value;
  if Assigned(FConnection) then
  begin
    atProjProperty.Connection := FConnection;
    atProjData.Connection := FConnection;
    { TODO : open cds }
    Active := True;
  end;
end;

end.