pasoutputdlg.pas

产品信息系统!关于产品基础信息的系统!功能强大!

unit pasOutPutDlg;

interface

uses 
  Windows, Messages, SysUtils, Classes, Graphics, Forms, Dialogs, Controls, StdCtrls, 
  Buttons;

type
  TfrmOutPutDlg = class(TForm)
    OKBtn: TButton;
    CancelBtn: TButton;
    SrcList: TListBox;
    DstList: TListBox;
    SrcLabel: TLabel;
    DstLabel: TLabel;
    IncludeBtn: TSpeedButton;
    IncAllBtn: TSpeedButton;
    ExcludeBtn: TSpeedButton;
    ExAllBtn: TSpeedButton;
    procedure IncludeBtnClick(Sender: TObject);
    procedure ExcludeBtnClick(Sender: TObject);
    procedure IncAllBtnClick(Sender: TObject);
    procedure ExcAllBtnClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure SrcListDblClick(Sender: TObject);
    procedure DstListDblClick(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
    procedure FormDestroy(Sender: TObject);
    procedure OKBtnClick(Sender: TObject);
  private
    { Private declarations }
    FDesStr:TStringList;
  public
    { Public declarations }
    procedure MoveSelected(List: TCustomListBox; Items: TStrings);
    procedure SetItem(List: TListBox; Index: Integer);
    function GetFirstSelection(List: TCustomListBox): Integer;
    procedure SetButtons;
    constructor CreateDefine(AOwner:TComponent;str:TStringList);
  end;

var
  frmOutPutDlg: TfrmOutPutDlg;

implementation

{$R *.dfm}
uses BaseFind;

constructor TfrmOutPutDlg.CreateDefine(AOwner:TComponent;str:TStringList);
begin
    FDesStr:=str;
    inherited Create(AOwner);
end;

procedure TfrmOutPutDlg.IncludeBtnClick(Sender: TObject);
var
  Index: Integer;
begin
  Index := GetFirstSelection(SrcList);
  MoveSelected(SrcList, DstList.Items);
  SetItem(SrcList, Index);
end;

procedure TfrmOutPutDlg.ExcludeBtnClick(Sender: TObject);
var
  Index: Integer;
begin
  Index := GetFirstSelection(DstList);
  MoveSelected(DstList, SrcList.Items);
  SetItem(DstList, Index);
end;

procedure TfrmOutPutDlg.IncAllBtnClick(Sender: TObject);
var
  I: Integer;
begin
  for I := 0 to SrcList.Items.Count - 1 do
    DstList.Items.AddObject(SrcList.Items[I], 
      SrcList.Items.Objects[I]);
  SrcList.Items.Clear;
  SetItem(SrcList, 0);
end;

procedure TfrmOutPutDlg.ExcAllBtnClick(Sender: TObject);
var
  I: Integer;
begin
  for I := 0 to DstList.Items.Count - 1 do
    SrcList.Items.AddObject(DstList.Items[I], DstList.Items.Objects[I]);
  DstList.Items.Clear;
  SetItem(DstList, 0);
end;

procedure TfrmOutPutDlg.MoveSelected(List: TCustomListBox; Items: TStrings);
var
  I: Integer;
begin
  for I := List.Items.Count - 1 downto 0 do
    if List.Selected[I] then
    begin
      Items.AddObject(List.Items[I], List.Items.Objects[I]);
      List.Items.Delete(I);
    end;
end;

procedure TfrmOutPutDlg.SetButtons;
var
  SrcEmpty, DstEmpty: Boolean;
begin
  SrcEmpty := SrcList.Items.Count = 0;
  DstEmpty := DstList.Items.Count = 0;
  IncludeBtn.Enabled := not SrcEmpty;
  IncAllBtn.Enabled := not SrcEmpty;
  ExcludeBtn.Enabled := not DstEmpty;
  ExAllBtn.Enabled := not DstEmpty;
end;

function TfrmOutPutDlg.GetFirstSelection(List: TCustomListBox): Integer;
begin
  for Result := 0 to List.Items.Count - 1 do
    if List.Selected[Result] then Exit;
  Result := LB_ERR;
end;

procedure TfrmOutPutDlg.SetItem(List: TListBox; Index: Integer);
var
  MaxIndex: Integer;
begin
  with List do
  begin
    SetFocus;
    MaxIndex := List.Items.Count - 1;
    if Index = LB_ERR then Index := 0
    else if Index > MaxIndex then Index := MaxIndex;
    Selected[Index] := True;
  end;
  SetButtons;
end;

procedure TfrmOutPutDlg.FormCreate(Sender: TObject);
begin
    //BaseFind.FField.Open;
    SrcList.Items.Clear;
    SrcList.Items.Assign(FDesStr);
    //BaseFind.FField.GetFieldNames(SrcList.Items);
    //BaseFind.FField.Close;
end;

procedure TfrmOutPutDlg.SrcListDblClick(Sender: TObject);
begin
    self.IncludeBtnClick(nil);    
end;

procedure TfrmOutPutDlg.DstListDblClick(Sender: TObject);
begin
    self.ExcludeBtnClick(nil);
end;

procedure TfrmOutPutDlg.FormClose(Sender: TObject;
  var Action: TCloseAction);
begin
    //Action:=caFree;
end;

procedure TfrmOutPutDlg.FormDestroy(Sender: TObject);
begin
    //frmOutPutDlg:=nil;
end;

procedure TfrmOutPutDlg.OKBtnClick(Sender: TObject);
begin
    //Close;
end;

end.