TfrmSelGuest

unit ufrmSelGuest;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ufrmBsGridSelect, cxStyles, cxCustomData, cxGraphics, cxFilter,
  cxData, cxDataStorage, cxEdit, DB, cxDBData, DBClient, mfDBClient,
  ActnList, cxGridLevel, cxClasses, cxControls, cxGridCustomView,
  cxGridCustomTableView, cxGridTableView, cxGridDBTableView, cxGrid,
  ComCtrls, ToolWin, mfFieldCentre, mfGridColCreator, mfDevGridColCreator,
  mfDBSearchMgr, mfBsFormCmptMgr, mfFormCmptMgr, StdCtrls, ExtCtrls,
  mfQueryCtrlsCreator, mfDevQueryCtrlsCreator, mfMovePanel, cxCheckBox,
  cxContainer;

type
  TfrmSelGuest = class(TfrmBsGridSelect)
    procedure FormCreate(Sender: TObject);
    procedure FormMgrPrepare(Sender: TObject);
    procedure QueryCreatorGetQueryCondition(AQueryItem: TmfQueryCtrlsItem;
      var vCondi: string; var vProcessed: Boolean);
  private
    function GetProviderChecker: Integer;
    function GetCustChecker: Integer;
    function GetBrotherChecker: Integer;
    procedure SetProviderChecker(const AValue: Integer);
    procedure SetCustChecker(const AValue: Integer);
    procedure SetBrotherChecker(const AValue: Integer);
    { Private declarations }
  public
    property ProviderChecker: Integer read GetProviderChecker write
      SetProviderChecker;
    property CustChecker: Integer read GetCustChecker write SetCustChecker;
    property BrotherChecker: Integer read GetBrotherChecker write SetBrotherChecker;
    { Public declarations }


  end;

var
  frmSelGuest: TfrmSelGuest;

implementation

{$R *.dfm}

procedure TfrmSelGuest.FormCreate(Sender: TObject);
begin
  inherited;
  fdcMain.Open;
  gccMain.Open;
end;

procedure TfrmSelGuest.FormMgrPrepare(Sender: TObject);
var
  AIsRefresh: Boolean;
begin
  AIsRefresh := false;
  //if FOleParams.FieldExists('Provi') then
  if FOleParams.IntegerValue['Provi'] <> ProviderChecker then
  begin
    ProviderChecker := FOleParams.IntegerValue['Provi'];
    AIsRefresh := true;
  end;
 // if FOleParams.FieldExists('Cust') then
  if FOleParams.IntegerValue['Cust'] <> CustChecker then
  begin
    CustChecker := FOleParams.IntegerValue['Cust'];
    AIsRefresh := true;
  end;

  //if FOleParams.FieldExists('Brother') then
  if FOleParams.IntegerValue['Brother'] <> BrotherChecker then
  begin
    BrotherChecker := FOleParams.IntegerValue['Brother'];
    AIsRefresh := true;
  end;
  if not cdsMain.Active or AIsRefresh then actRefresh.Execute;
end;

function TfrmSelGuest.GetProviderChecker: Integer;
var
  ACheckBox: TcxCheckBox;
begin
  Result := -1;
  if Assigned(QueryCreator.FindItemByFieldName('FGongYingShang')) then
  begin
    QueryCreator.FindItemByFieldName('FGongYingShang').Reset;
    ACheckBox := TcxCheckBox(QueryCreator.FindItemByFieldName('FGongYingShang').NextValueCtrl);
    if Assigned(ACheckBox) then
      case ACheckBox.State of
        cbsUnchecked: Result := 0;
        cbsChecked: Result := 1;
        cbsGrayed: Result := -1;
      end;
  end;
end;

function TfrmSelGuest.GetCustChecker: Integer;
var
  ACheckBox: TcxCheckBox;
begin
  Result := -1;
  if Assigned(QueryCreator.FindItemByFieldName('FKeHu')) then
  begin
    QueryCreator.FindItemByFieldName('FKeHu').Reset;
    ACheckBox := TcxCheckBox(QueryCreator.FindItemByFieldName('FKeHu').NextValueCtrl);
    if Assigned(ACheckBox) then
      case ACheckBox.State of
        cbsUnchecked: Result := 0;
        cbsChecked: Result := 1;
        cbsGrayed: Result := -1;
      end;
  end;
end;

function TfrmSelGuest.GetBrotherChecker: Integer;
var
  ACheckBox: TcxCheckBox;
begin
  Result := -1;
  if Assigned(QueryCreator.FindItemByFieldName('FTongHang')) then
  begin
    QueryCreator.FindItemByFieldName('FTongHang').Reset;
    ACheckBox := TcxCheckBox(QueryCreator.FindItemByFieldName('FTongHang').NextValueCtrl);
    if Assigned(ACheckBox) then
      case ACheckBox.State of
        cbsUnchecked: Result := 0;
        cbsChecked: Result := 1;
        cbsGrayed: Result := -1;
      end;
  end;
end;

procedure TfrmSelGuest.SetProviderChecker(const AValue: Integer);
var
  ACheckBox: TcxCheckBox;
begin
  if Assigned(QueryCreator.FindItemByFieldName('FGongYingShang')) then
  begin
    QueryCreator.FindItemByFieldName('FGongYingShang').Reset;
    ACheckBox := TcxCheckBox(QueryCreator.FindItemByFieldName('FGongYingShang').NextValueCtrl);
    if Assigned(ACheckBox) then
      case AValue of
        0: ACheckBox.State := cbsUnchecked;
        1: ACheckBox.State := cbsChecked;
        -1: ACheckBox.State := cbsGrayed;
      end;
  end;
end;

procedure TfrmSelGuest.SetCustChecker(const AValue: Integer);
var
  ACheckBox: TcxCheckBox;
begin
  if Assigned(QueryCreator.FindItemByFieldName('FKeHu')) then
  begin
    QueryCreator.FindItemByFieldName('FKeHu').Reset;
    ACheckBox := TcxCheckBox(QueryCreator.FindItemByFieldName('FKeHu').NextValueCtrl);
    if Assigned(ACheckBox) then
      case AValue of
        0: ACheckBox.State := cbsUnchecked;
        1: ACheckBox.State := cbsChecked;
        -1: ACheckBox.State := cbsGrayed;
      end;
  end;
end;

procedure TfrmSelGuest.SetBrotherChecker(const AValue: Integer);
var
  ACheckBox: TcxCheckBox;
begin
  if Assigned(QueryCreator.FindItemByFieldName('FTongHang')) then
  begin
    QueryCreator.FindItemByFieldName('FTongHang').Reset;
    ACheckBox := TcxCheckBox(QueryCreator.FindItemByFieldName('FTongHang').NextValueCtrl);
    if Assigned(ACheckBox) then
      case AValue of
        0: ACheckBox.State := cbsUnchecked;
        1: ACheckBox.State := cbsChecked;
        -1: ACheckBox.State := cbsGrayed;
      end;
  end;
end;

procedure TfrmSelGuest.QueryCreatorGetQueryCondition(
  AQueryItem: TmfQueryCtrlsItem; var vCondi: string;
  var vProcessed: Boolean);
var
  ACheckBox: TcxCheckBox;
begin
  vProcessed := True;

  if AQueryItem.FieldDataObject.FieldName = 'FKeHu' then
  begin
    ACheckBox := TcxCheckBox(AQueryItem.FirstValueCtrl);
    if Assigned(ACheckBox) then
      if ACheckBox.Checked then vCondi := 'FKeHu = 1';
  end else if AQueryItem.FieldDataObject.FieldName = 'FGongYingShang' then
  begin
    ACheckBox := TcxCheckBox(AQueryItem.FirstValueCtrl);
    if Assigned(ACheckBox) then
      if ACheckBox.Checked then vCondi := 'FGongYingShang = 1';
  end else if AQueryItem.FieldDataObject.FieldName = 'FTongHang' then
  begin
    ACheckBox := TcxCheckBox(AQueryItem.FirstValueCtrl);
    if Assigned(ACheckBox) then
      if ACheckBox.Checked then vCondi := 'FTongHang = 1';
  end else
    vProcessed := false;

 

end;

end.

原文地址:https://www.cnblogs.com/DKSoft/p/996393.html