bas200_06.pas.svn-base

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unit Bas200_06;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Bas100_01, ActnList, Menus,
  ComCtrls, ToolWin, ExtCtrls, dxExEdtr, DB, ADODB, dxCntner, dxTL,
  dxDBCtrl, dxDBGrid;

type
  TBas200_06Form = class(TBas100_01Form)
    Panel1: TPanel;
    Image1: TImage;
    CoolBar1: TCoolBar;
    ToolBar2: TToolBar;
    tlbFirst: TToolButton;
    tlbPrior: TToolButton;
    tlbNext: TToolButton;
    tlbLast: TToolButton;
    ToolButton1: TToolButton;
    tlbInsert: TToolButton;
    tlbUpdate: TToolButton;
    tlbDelete: TToolButton;
    ToolButton2: TToolButton;
    tlbSave: TToolButton;
    tlbCancel: TToolButton;
    ToolButton3: TToolButton;
    tlbRefresh: TToolButton;
    tlbLocate: TToolButton;
    tlbSearch: TToolButton;
    tlbPrint: TToolButton;
    ToolButton6: TToolButton;
    tlbExit: TToolButton;
    pmPrint: TPopupMenu;
    mmiPrint: TMenuItem;
    mmiExport: TMenuItem;
    ActionList1: TActionList;
    ActFirst: TAction;
    ActPrior: TAction;
    ActNext: TAction;
    ActLast: TAction;
    ActInsert: TAction;
    ActUpdate: TAction;
    ActDelete: TAction;
    ActSave: TAction;
    ActCancel: TAction;
    ActRefresh: TAction;
    ActLocate: TAction;
    ActSearch: TAction;
    ActPrint: TAction;
    ActExport: TAction;
    ActExit: TAction;
    DataSource1: TDataSource;
    ADOQuery1: TADOQuery;
    PopupMenu2: TPopupMenu;
    miAppend: TMenuItem;
    miDelete: TMenuItem;
    ScrollBox2: TScrollBox;
    dxDBGrid1: TdxDBGrid;
    pmGrid: TPopupMenu;
    procedure FormCreate(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure ActFirstExecute(Sender: TObject);
    procedure ActPriorExecute(Sender: TObject);
    procedure ActNextExecute(Sender: TObject);
    procedure ActLastExecute(Sender: TObject);
    procedure ActInsertExecute(Sender: TObject);
    procedure ActUpdateExecute(Sender: TObject);
    procedure ActDeleteExecute(Sender: TObject);
    procedure ActSaveExecute(Sender: TObject);
    procedure ActCancelExecute(Sender: TObject);
    procedure ActRefreshExecute(Sender: TObject);
    procedure ActLocateExecute(Sender: TObject);
    procedure ActSearchExecute(Sender: TObject);
    procedure ActPrintExecute(Sender: TObject);
    procedure ActExportExecute(Sender: TObject);
    procedure ActExitExecute(Sender: TObject);
    procedure ADOQuery1AfterScroll(DataSet: TDataSet);
    procedure dxDBGrid1ChangeColumn(Sender: TObject; Node: TdxTreeListNode;
      Column: Integer);
    procedure miAppendClick(Sender: TObject);
    procedure miDeleteClick(Sender: TObject);
    procedure DataSource1DataChange(Sender: TObject; Field: TField);
    procedure FormShow(Sender: TObject);
  private
    procedure SetDBGridReadOnly(AReadOnly:Boolean);
    procedure SetButtonState(AInsUpd:Boolean);
    procedure MenuItemClick(Sender: TObject);
    procedure CreatePopmeun(AGrid:TdxDBGrid);
    { Private declarations }
  public
    { Public declarations }
  protected
    ARecordCount:Integer;
    procedure SetInterface; virtual;
    procedure InsertEvent; virtual;
    procedure UpdateEvent; virtual;
    procedure DeleteEvent; virtual;
    procedure BrowseEvent; virtual;
    procedure ReportGetValue(const ParName: String; var ParValue: Variant); virtual;
  end;

var
  Bas200_06Form: TBas200_06Form;

implementation

uses CommFun, SYSDATA, HwExport;

{$R *.dfm}

procedure TBas200_06Form.SetDBGridReadOnly(AReadOnly:Boolean);
var
  I:Integer;
begin
  for I:=0 to dxDBGrid1.ColumnCount-1 do
  begin
    dxDBGrid1.Columns[I].ReadOnly:=AReadOnly;
  end;
  if AReadOnly then dxDBGrid1.PopupMenu:=pmGrid else dxDBGrid1.PopupMenu:=PopupMenu2;
end;

//设置按钮状态
procedure TBas200_06Form.SetButtonState(AInsUpd:Boolean);
begin
  ActFirst.Enabled:=not AInsUpd;
  ActPrior.Enabled:=not AInsUpd;
  ActNext.Enabled:=not AInsUpd;
  ActLast.Enabled:=not AInsUpd;
  ActInsert.Enabled:=(ARights[2]='Y') and (not AInsUpd);
  ActUpdate.Enabled:=(ARights[3]='Y') and (not AInsUpd);
  ActDelete.Enabled:=(ARights[4]='Y') and (not AInsUpd);
  ActSave.Enabled:=AInsUpd;
  ActCancel.Enabled:=AInsUpd;
  ActRefresh.Enabled:=not AInsUpd;
  ActLocate.Enabled:=not AInsUpd;
  ActSearch.Enabled:=not AInsUpd;
  ActPrint.Enabled:=not AInsUpd;
  ActExport.Enabled:=not AInsUpd;
  ActExit.Enabled:=True;
end;

procedure TBas200_06Form.SetInterface;
begin
  inherited;
  Image1.Picture.Bitmap.LoadFromResourceName(AImgHandle,'TOPTITL');
  ActFirst.Caption:=GetDBString('COM00005001');  //最前
  ActPrior.Caption:=GetDBString('COM00005002');  //上移
  ActNext.Caption:=GetDBString('COM00005003');  //下移
  ActLast.Caption:=GetDBString('COM00005004');  //最后
  ActInsert.Caption:=GetDBString('COM00005005');  //新增
  ActUpdate.Caption:=GetDBString('COM00005006');  //修改
  ActDelete.Caption:=GetDBString('COM00005007');  //删除
  ActSave.Caption:=GetDBString('COM00005008');  //保存
  ActCancel.Caption:=GetDBString('COM00005009');  //取消
  ActRefresh.Caption:=GetDBString('COM00005010');  //刷新
  ActLocate.Caption:=GetDBString('COM00005011');  //查找
  ActSearch.Caption:=GetDBString('COM00005012');  //查询
  ActPrint.Caption:=GetDBString('COM00005013');  //打印
  ActExport.Caption:=GetDBString('COM00005014');  //导出数据
  ActExit.Caption:=GetDBString('COM00005015');  //退出

  ActFirst.Hint:=GetDBString('COM00005001',2);  //移到第一条记录
  ActPrior.Hint:=GetDBString('COM00005002',2);  //移到上一条记录
  ActNext.Hint:=GetDBString('COM00005003',2);  //移到下一条记录
  ActLast.Hint:=GetDBString('COM00005004',2);  //移到最后一条记录
  ActInsert.Hint:=GetDBString('COM00005005',2);  //新增一条记录
  ActUpdate.Hint:=GetDBString('COM00005006',2);  //修改当前记录
  ActDelete.Hint:=GetDBString('COM00005007',2);  //删除当前记录
  ActSave.Hint:=GetDBString('COM00005008',2);  //保存编辑的记录
  ActCancel.Hint:=GetDBString('COM00005009',2);  //取消编辑的记录
  ActRefresh.Hint:=GetDBString('COM00005010',2);  //取得最新的数据
  ActLocate.Hint:=GetDBString('COM00005011',2);  //快速定位记录
  ActSearch.Hint:=GetDBString('COM00005012',2);  //按条件查询数据
  ActPrint.Hint:=GetDBString('COM00005013',2);  //将数据打印出来
  ActExport.Hint:=GetDBString('COM00005014',2);  //导出数据到文件中
  ActExit.Hint:=GetDBString('COM00005015',2);  //关闭当前窗口
end;

procedure TBas200_06Form.MenuItemClick(Sender: TObject);
begin
  TMenuItem(Sender).Checked:=not TMenuItem(Sender).Checked;
  dxDBGrid1.ColumnByFieldName(TMenuItem(Sender).Name).Visible:=TMenuItem(Sender).Checked;
end;

procedure TBas200_06Form.CreatePopmeun(AGrid:TdxDBGrid);
var
  ADataSet:TDataSet;
  I:Integer;
  AMenuItem:TMenuItem;
begin
  if AGrid.DataSource=nil then Exit;
  if AGrid.DataSource.DataSet=nil then Exit;
  if AGrid.PopupMenu=nil then Exit;
  ADataSet:=AGrid.DataSource.DataSet;
  for I:=0 to ADataSet.FieldCount-1 do
  begin
    if ADataSet.Fields[I].Visible then
    begin
      AMenuItem:=TMenuItem.Create(nil);
      AMenuItem.Name:=ADataSet.Fields[I].FieldName;
      AMenuItem.Caption:=ADataSet.Fields[I].DisplayLabel;
      AMenuItem.Checked:=AGrid.ColumnByFieldName(ADataSet.Fields[I].FieldName).Visible;
      AMenuItem.OnClick:=MenuItemClick;
      AGrid.PopupMenu.Items.Add(AMenuItem);
    end;
  end;
end;

procedure TBas200_06Form.FormCreate(Sender: TObject);
begin
  inherited;
  //设置界面信息
  SetInterface;

  try
    ADOQuery1.Open;
  except
    ShowMsg(SYSDM.ADOC.Errors[0].Description,1);
    Close;
  end;
  SetButtonState(False);
  SetDBGridReadOnly(True);
  LoadFromReg(Self); //这行一定放在打开数据集后面，否则无效
end;

procedure TBas200_06Form.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
  if ActSave.Enabled then
  begin
    if ShowDialog('UMS10000007')=IDNO then  //数据尚未保存，现在保存吗？
      ActCancel.Execute
    else
      ActSave.Execute;
  end;
  ADOQuery1.Close;
  Action:=caFree;
  inherited;
end;

procedure TBas200_06Form.ActFirstExecute(Sender: TObject);
begin
  inherited;
//最前
  if ADOQuery1.IsEmpty then Exit;
  ADOQuery1.First;
  ActFirst.Enabled:=False;
  ActPrior.Enabled:=False;
  ActNext.Enabled:=True;
  ActLast.Enabled:=True;
end;

procedure TBas200_06Form.ActPriorExecute(Sender: TObject);
begin
  inherited;
//上移
  if ADOQuery1.IsEmpty then Exit;
  ADOQuery1.Prior;
  ActNext.Enabled:=not ADOQuery1.Eof;
  ActLast.Enabled:=not ADOQuery1.Eof;
  ActFirst.Enabled:=not ADOQuery1.Bof;
  ActPrior.Enabled:=not ADOQuery1.Bof;
end;

procedure TBas200_06Form.ActNextExecute(Sender: TObject);
begin
  inherited;
//下移
  if ADOQuery1.IsEmpty then Exit;
  ADOQuery1.Next;
  ActNext.Enabled:=not ADOQuery1.Eof;
  ActLast.Enabled:=not ADOQuery1.Eof;
  ActFirst.Enabled:=not ADOQuery1.Bof;
  ActPrior.Enabled:=not ADOQuery1.Bof;
end;