unthantelvehicle.pas

用delphi编写的数据库管理软件

unit untHantelVehicle;

interface
                                              
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, MDIBase, FR_DSet, FR_DBSet, FR_Class, Menus, ActnList, DB,
  DBClient, Grids, DBGridEh, StdCtrls, ExtCtrls;

Const
  WM_USER_GETDATA = WM_USER+1024;
  WM_USER_SETFOOTER = WM_USER+8028;

type
  TfrmHastenvihicle = class(TfrmMDIBase)
    Panel1: TPanel;
    FormTitle: TLabel;
    Panel3: TPanel;
    btnExit: TButton;
    Panel2: TPanel;
    btnadd: TButton;
    btncopy: TButton;
    btnedit: TButton;
    btndelete: TButton;
    Panel4: TPanel;
    btnrefresh: TButton;
    btnprint: TButton;
    grid: TDBGridEh;
    CDSBaseinfo: TClientDataSet;
    DSbaseinfo: TDataSource;
    ActionList1: TActionList;
    Action1: TAction;
    Action2: TAction;
    Action3: TAction;
    Action4: TAction;
    Action5: TAction;
    ppmreport: TPopupMenu;
    N1: TMenuItem;
    N2: TMenuItem;
    N3: TMenuItem;
    N4: TMenuItem;
    N5: TMenuItem;
    N6: TMenuItem;
    N7: TMenuItem;
    N8: TMenuItem;
    N9: TMenuItem;
    frBaseinfo: TfrReport;
    frDBDataSet1: TfrDBDataSet;
    ActionList2: TActionList;
    acrefresh: TAction;
    acsearch: TAction;
    acfieldproperty: TAction;
    acexit: TAction;
    popupgrid: TPopupMenu;
    N10: TMenuItem;
    N11: TMenuItem;
    N12: TMenuItem;
    N13: TMenuItem;
    N14: TMenuItem;
    N15: TMenuItem;
    N16: TMenuItem;
    N17: TMenuItem;
    N18: TMenuItem;
    N20: TMenuItem;
    N21: TMenuItem;
    acfirst: TAction;
    acprior: TAction;
    acnext: TAction;
    aclast: TAction;
    CDSBaseinfofid: TIntegerField;
    CDSBaseinfofno: TWideStringField;
    CDSBaseinfofcustomercode: TWideStringField;
    CDSBaseinfofcustomername: TWideStringField;
    CDSBaseinfofcustomertel: TWideStringField;
    CDSBaseinfofcustomeraddress: TWideStringField;
    CDSBaseinfofvehiclecode: TWideStringField;
    CDSBaseinfofvehiclename: TWideStringField;
    CDSBaseinfofrentdate: TWideStringField;
    CDSBaseinfofreturndate: TWideStringField;
    CDSBaseinfofremark: TWideStringField;
    CDSBaseinfofrenttime: TWideStringField;
    CDSBaseinfofreturntime: TWideStringField;
    procedure acexitExecute(Sender: TObject);
    procedure FormDestroy(Sender: TObject);
    procedure acfirstExecute(Sender: TObject);
    procedure acpriorExecute(Sender: TObject);
    procedure acnextExecute(Sender: TObject);
    procedure aclastExecute(Sender: TObject);
    procedure btnprintClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure Action1Execute(Sender: TObject);
    procedure Action2Execute(Sender: TObject);
    procedure Action3Execute(Sender: TObject);
    procedure Action4Execute(Sender: TObject);
    procedure frBaseinfoUserFunction(const Name: String; p1, p2,
      p3: Variant; var Val: Variant);
    procedure gridTitleBtnClick(Sender: TObject; ACol: Integer;
      Column: TColumnEh);
    procedure gridDrawColumnCell(Sender: TObject; const Rect: TRect;
      DataCol: Integer; Column: TColumnEh; State: TGridDrawState);
    procedure FormCreate(Sender: TObject);
    procedure acrefreshExecute(Sender: TObject);
    procedure gridDblClick(Sender: TObject);
    procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
  private
    procedure Getdata(var getdata:Tmessage);Message WM_USER_GETDATA;
    procedure setfooter(var setfooter:Tmessage);Message WM_USER_SETFOOTER;    
    { Private declarations }
  protected
    ReportName:String;
  public
    { Public declarations }
  end;

var
  frmHastenvihicle: TfrmHastenvihicle;

implementation

uses Global, DataProcess, Bsearch, Binterface, untvLeaseState;

{$R *.dfm}

{ TfrmBaseSearch }

procedure TfrmHastenvihicle.Getdata(var getdata: Tmessage);
begin
  ClearCDSDATA(CDSBaseinfo);
  CDSBaseinfo.Data:=GetVehicleStatus;
  Postmessage(handle,WM_USER_SETFOOTER,0,0);
  application.ProcessMessages;
end;

procedure TfrmHastenvihicle.acexitExecute(Sender: TObject);
begin
  inherited;
  Close;
end;

procedure TfrmHastenvihicle.FormDestroy(Sender: TObject);
begin
  inherited;
  frmHastenvihicle:=nil;
end;

procedure TfrmHastenvihicle.acfirstExecute(Sender: TObject);
begin
  inherited;
  CDSBaseinfo.First;
end;

procedure TfrmHastenvihicle.acpriorExecute(Sender: TObject);
begin
  inherited;
  CDSbaseinfo.Prior; 
end;

procedure TfrmHastenvihicle.acnextExecute(Sender: TObject);
begin
  inherited;
  CDSBaseinfo.Next; 
end;

procedure TfrmHastenvihicle.aclastExecute(Sender: TObject);
begin
  inherited;
  CDSBaseinfo.Last; 
end;

procedure TfrmHastenvihicle.btnprintClick(Sender: TObject);
var
  Point:Tpoint;
begin
  inherited;
  Point:=GetScreenPoint(btnprint);
  ppmreport.Popup(point.X,point.Y);
end;

procedure TfrmHastenvihicle.FormShow(Sender: TObject);
begin
  inherited;
  FormTitle.Caption:=self.Caption;
  postmessage(handle,WM_USER_GETDATA,0,0);
  application.ProcessMessages;
end;

procedure TfrmHastenvihicle.Action1Execute(Sender: TObject);
begin
  inherited;
  if CDSbaseinfo.RecordCount = 0 then
    Exit;
  try
    CDSbaseinfo.DisableControls;
    frbaseinfo.LoadFromFile(GetLogDir('Prints')+ReportName);
    frbaseinfo.ShowReport;
    CDSbaseinfo.EnableControls;
  except
    on E:Exception do
      begin
        messagedlg('预览失败 ! '+#10#13+E.Message,mtError,[MBOK],0);
        Exit;
      end;
  end;
end;

procedure TfrmHastenvihicle.Action2Execute(Sender: TObject);
begin
  inherited;
  if CDSbaseinfo.RecordCount = 0 then
    Exit;
  try
    CDSbaseinfo.DisableControls;
    frbaseinfo.LoadFromFile(GetLogDir('Prints')+ReportName);
    frbaseinfo.PrepareReport;
    frbaseinfo.PrintPreparedReport('',1,True,frAll);
    CDSbaseinfo.EnableControls;
  except
    on E:Exception do
      begin
        messagedlg('打印失败 !'+#10#13+E.Message,mtError,[MBOK],0);
        Exit;
      end;
  end;
end;

procedure TfrmHastenvihicle.Action3Execute(Sender: TObject);
begin
  inherited;
  if CDSbaseinfo.RecordCount = 0 then
    Exit;
  try
    CDSbaseinfo.DisableControls;
    frbaseinfo.LoadFromFile(GetLogDir('Prints')+ReportName);
    frbaseinfo.PrepareReport;
    frbaseinfo.PrintPreparedReportDlg;
    CDSbaseinfo.EnableControls;
  except
    on E:Exception do
      begin
        messagedlg('打印设置失败 ! '+#10#13+E.Message,mtError,[MBOK],0);
        Exit;
      end;
  end;
end;

procedure TfrmHastenvihicle.Action4Execute(Sender: TObject);
begin
  inherited;
  if CDSbaseinfo.RecordCount = 0 then
    Exit;
  try
    CDSbaseinfo.DisableControls;
    frbaseinfo.LoadFromFile(GetLogDir('Prints')+ReportName);
    frbaseinfo.DesignReport;
    CDSbaseinfo.EnableControls;
  except
    on E:Exception do
      begin
        messagedlg('报表设置失败 ! '+#10#13+E.Message,mtError,[MBOK],0);
        Exit;
      end;
  end;
end;

procedure TfrmHastenvihicle.frBaseinfoUserFunction(const Name: String; p1, p2,
  p3: Variant; var Val: Variant);
begin
  inherited;
  if AnsicompareText('SRTIME',name)=0 then
    Val:=SRNow();
end;

procedure TfrmHastenvihicle.gridTitleBtnClick(Sender: TObject; ACol: Integer;
  Column: TColumnEh);
var
  sortstring:string;
begin
  inherited;
  with Column do
  begin
    if FieldName = '' then
      Exit;
    case Title.SortMarker of
      smNoneEh:
      begin
        Title.SortMarker := smDownEh;
        sortstring := Column.FieldName + ' ASC';
      end;
      smDownEh: sortstring := Column.FieldName + ' ASC';
      smUpEh: sortstring := Column.FieldName + ' DESC';
    end;

    try
      CDSBaseinfo.IndexFieldNames:= sortstring
    except
    end;
  end;
end;

procedure TfrmHastenvihicle.gridDrawColumnCell(Sender: TObject;
  const Rect: TRect; DataCol: Integer; Column: TColumnEh;
  State: TGridDrawState);
begin
  inherited;
  if CDSBaseinfo.RecNo  mod 2 = 0 then
    begin
      Grid.Canvas.Brush.Color:=$00EAEFED;
      Grid.Canvas.Font.Color:=clBlack;
    end
    else
    begin
      Grid.Canvas.Brush.Color:=clWhite;
      Grid.Canvas.Font.Color:=clBlack;
    end;
  if gdselected in state then
    begin
      grid.Canvas.Brush.Color:=clBackground;
      grid.Canvas.Font.Color:=clBlack;
    end;

  if CDSBaseinfo.FieldByName('fReturnDate').AsDateTime <= Date() then
    begin
      Grid.Canvas.Brush.Color:=$00DDDDDD;
      Grid.Canvas.Font.Color:=clBlack;
    end;
  grid.DefaultDrawColumnCell(Rect,DataCol,Column,State);
end;

procedure TfrmHastenvihicle.FormCreate(Sender: TObject);
begin
  inherited;
  ReportName:='frHantelVehicle.frf';
end;

procedure TfrmHastenvihicle.acrefreshExecute(Sender: TObject);
begin
  inherited;
  postmessage(handle,WM_USER_GETDATA,0,0);
  application.ProcessMessages;
end;

procedure TfrmHastenvihicle.gridDblClick(Sender: TObject);
begin
  inherited;
  UserSelectBillNo:=CDSBaseinfo.fieldbyname('fNo').AsString;
  if UserSelectBillNo<>'' then
  begin
    openModalForm(TfrmvleaseState,self,Tform(frmvleaseState));
    postMessage(Handle,WM_USER_GETDATA,0,0);
  end;
end;

procedure TfrmHastenvihicle.FormCloseQuery(Sender: TObject;
  var CanClose: Boolean);
begin
  inherited;
  Grid.SumList.Active:=False;
end;

procedure TfrmHastenvihicle.setfooter(var setfooter: Tmessage);
var
  i,j:integer;
begin
  i:=Grid.Columns.Count;
  if i>0 then
    begin
      for j:=0 to i-1 do
        begin
          Grid.Columns[j].Footer.ValueType:=fvtStaticText;
          Grid.Columns[j].Footer.Value:='合计';
          Grid.Columns[j+1].Footer.ValueType:=fvtCount;
          break;
        end;
    end;
  application.ProcessMessages;
end;

end.