root/trunk/Forms/frm_edit_book_info.pas

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  *               Nick Rymanov    nrymanov@gmail.com
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  *               Nick Rymanov    nrymanov@gmail.com
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  ****************************************************************************** *)
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  ****************************************************************************** *)
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{



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Note: у этой формы слишком сильная зависимость от главной формы. Было бы неплохо от этого избавится.



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}



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unit frm_edit_book_info;
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unit frm_edit_book_info;



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interface
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interface


...
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    Label7: TLabel;
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    Label7: TLabel;



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    gbAuthors: TGroupBox;
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    gbAuthors: TGroupBox;



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    gbExtraInfo: TGroupBox;
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    gbExtraInfo: TGroupBox;



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    procedure FormShow(Sender: TObject);



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    procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);



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    procedure btnGenresClick(Sender: TObject);
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    procedure btnGenresClick(Sender: TObject);



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    procedure FormShow(Sender: TObject);



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    procedure btnAddAuthorClick(Sender: TObject);
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    procedure btnAddAuthorClick(Sender: TObject);



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    procedure btnAChangeClick(Sender: TObject);
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    procedure btnAChangeClick(Sender: TObject);



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    procedure btnADeleteClick(Sender: TObject);
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    procedure btnADeleteClick(Sender: TObject);



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    procedure edTChange(Sender: TObject);



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    procedure btnSaveClick(Sender: TObject);
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    procedure btnSaveClick(Sender: TObject);



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    procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);



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    procedure btnNextBookClick(Sender: TObject);
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    procedure btnNextBookClick(Sender: TObject);



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    procedure edTChange(Sender: TObject);



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    procedure btnPrevBookClick(Sender: TObject);
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    procedure btnPrevBookClick(Sender: TObject);



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  private
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  private



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    FChanged: boolean;
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    FChanged: boolean;



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    procedure FillLists;
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    procedure FillLists;



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    function SaveData: boolean;
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    function SaveData: boolean;



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    { Private declarations }



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  public
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  public



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    // procedure FillGenrelist;
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  end;
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  end;



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var
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var


...
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{$R *.dfm}
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{$R *.dfm}



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procedure TfrmEditBookInfo.FormShow(Sender: TObject);



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begin



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  FChanged := False;



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  if frmGenreTree.tvGenresTree.GetFirstSelected = nil then



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    frmMain.FillGenresTree(frmGenreTree.tvGenresTree);



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  FillLists;



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end;



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procedure TfrmEditBookInfo.FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);



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var



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  Dummy: boolean;



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begin



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  if Key = VK_F1 then



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    frmMain.HH(0, 0, Dummy);



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end;



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procedure TfrmEditBookInfo.btnGenresClick(Sender: TObject);
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procedure TfrmEditBookInfo.btnGenresClick(Sender: TObject);



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var
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var



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  Data: PGenreData;
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  Data: PGenreData;


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  begin
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  begin



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    lblGenre.Text := '';
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    lblGenre.Text := '';



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    Node := frmGenreTree.tvGenresTree.GetFirstSelected;
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    Node := frmGenreTree.tvGenresTree.GetFirstSelected;



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    while Node <> nil do
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    while Assigned(Node) do



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    begin
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    begin



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      Data := frmGenreTree.tvGenresTree.GetNodeData(Node);
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      Data := frmGenreTree.tvGenresTree.GetNodeData(Node);



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      lblGenre.Text := lblGenre.Text + Data.Text + ' ; ';
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      lblGenre.Text := lblGenre.Text + Data.Text + ' ; ';


...
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  end;
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  end;



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end;
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end;



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procedure TfrmEditBookInfo.FillLists;
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procedure TfrmEditBookInfo.btnAddAuthorClick(Sender: TObject);



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var



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  Family: TListItem;



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  frmEditAuthor: TfrmEditAuthorData;



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begin
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begin



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  cbSeries.Items.Clear;
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  frmEditAuthor := TfrmEditAuthorData.Create(Self);



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  dmCollection.tblSeries.First;
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  try



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  dmCollection.tblSeries.Next;
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    if frmEditAuthor.ShowModal = mrOk then



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  while not dmCollection.tblSeries.Eof do
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    begin



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  begin
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      Family := lvAuthors.Items.Add;



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    cbSeries.Items.Add(dmCollection.tblSeries['S_Title']);
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      Family.Caption := frmEditAuthor.edFamily.Text;



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    dmCollection.tblSeries.Next;
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      Family.SubItems.Add(frmEditAuthor.edName.Text);



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      Family.SubItems.Add(frmEditAuthor.edMiddle.Text);



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      FChanged := True;



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    end;



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  finally



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    frmEditAuthor.Free;



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  end;
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  end;



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end;
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end;



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procedure TfrmEditBookInfo.FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
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procedure TfrmEditBookInfo.btnAChangeClick(Sender: TObject);



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var
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var



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  Dummy: boolean;
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  Family: TListItem;



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  frmEditAuthor: TfrmEditAuthorData;



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begin
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begin



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  if Key = VK_F1 then
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  Family := lvAuthors.Selected;



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    frmMain.HH(0, 0, Dummy);
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  if not Assigned(Family) then



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end;
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    Exit;



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procedure TfrmEditBookInfo.FormShow(Sender: TObject);
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  frmEditAuthor := TfrmEditAuthorData.Create(Self);



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begin
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  try



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  FChanged := False;
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    frmEditAuthor.edFamily.Text := Family.Caption;



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  if frmGenreTree.tvGenresTree.GetFirstSelected = nil then
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    frmEditAuthor.edName.Text := Family.SubItems[0];



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    frmMain.FillGenresTree(frmGenreTree.tvGenresTree);
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    frmEditAuthor.edMiddle.Text := Family.SubItems[1];



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  FillLists;



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end;



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function TfrmEditBookInfo.SaveData: boolean;
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    if frmEditAuthor.ShowModal = mrOk then



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begin
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    begin



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  Result := False;
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      Family.Caption := frmEditAuthor.edFamily.Text;



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  if not FChanged then
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      Family.SubItems[0] := frmEditAuthor.edName.Text;



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  begin
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      Family.SubItems[1] := frmEditAuthor.edMiddle.Text;



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    Result := True;



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    Exit;



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  end;



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  if lvAuthors.Items.Count = 0 then
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      FChanged := True;



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  begin
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    end;



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    MessageDlg('Укажите минимум одного автора!', mtError, [mbOk], 0);
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  finally



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    Exit;
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    frmEditAuthor.Free;



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  end;
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  end;



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  if edT.Text = '' then



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  begin



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    MessageDlg('Укажите название книги!', mtError, [mbOk], 0);



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    Exit;



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  end;



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  Result := True;



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end;
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end;



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procedure TfrmEditBookInfo.btnADeleteClick(Sender: TObject);
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procedure TfrmEditBookInfo.btnADeleteClick(Sender: TObject);


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  lvAuthors.DeleteSelected;
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  lvAuthors.DeleteSelected;



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end;
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end;



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procedure TfrmEditBookInfo.btnAddAuthorClick(Sender: TObject);
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procedure TfrmEditBookInfo.edTChange(Sender: TObject);



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var



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  Family: TListItem;



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begin
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begin



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  frmEditAuthorData.edFamily.Clear;
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  FChanged := True;



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  frmEditAuthorData.edName.Clear;



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  frmEditAuthorData.edMiddle.Clear;



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  if frmEditAuthorData.ShowModal = mrOk then



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  begin



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    Family := lvAuthors.Items.Add;



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    Family.Caption := frmEditAuthorData.edFamily.Text;



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    Family.SubItems.Add(frmEditAuthorData.edName.Text);



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    Family.SubItems.Add(frmEditAuthorData.edMiddle.Text);



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    FChanged := True;



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  end;



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end;
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end;



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procedure TfrmEditBookInfo.btnAChangeClick(Sender: TObject);



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var



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  Family: TListItem;



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begin



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  Family := lvAuthors.Selected;



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  if Family = nil then



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    Exit;



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  frmEditAuthorData.edFamily.Text := Family.Caption;



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  if Family.SubItems.Count > 0 then



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    frmEditAuthorData.edName.Text := Family.SubItems[0];



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  if Family.SubItems.Count > 1 then



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    frmEditAuthorData.edMiddle.Text := Family.SubItems[1];



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  if frmEditAuthorData.ShowModal = mrOk then



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  begin



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    Family.Caption := frmEditAuthorData.edFamily.Text;



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    if Family.SubItems.Count > 0 then



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      Family.SubItems[0] := frmEditAuthorData.edName.Text



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    else



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      Family.SubItems.Add(frmEditAuthorData.edName.Text);



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    if Family.SubItems.Count > 1 then



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      Family.SubItems[1] := frmEditAuthorData.edMiddle.Text



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    else



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      Family.SubItems.Add(frmEditAuthorData.edMiddle.Text);



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    FChanged := True;



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  end;



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end;



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procedure TfrmEditBookInfo.btnSaveClick(Sender: TObject);
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procedure TfrmEditBookInfo.btnSaveClick(Sender: TObject);



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begin
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begin



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  if SaveData then
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  if SaveData then


...
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  end;
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  end;



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end;
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end;



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procedure TfrmEditBookInfo.edTChange(Sender: TObject);
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procedure TfrmEditBookInfo.FillLists;



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begin
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begin



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  FChanged := True;
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  cbSeries.Items.Clear;



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  dmCollection.tblSeries.First;



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  dmCollection.tblSeries.Next;



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  while not dmCollection.tblSeries.Eof do



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  begin



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    cbSeries.Items.Add(dmCollection.tblSeries['S_Title']);



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    dmCollection.tblSeries.Next;



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  end;



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end;
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end;



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function TfrmEditBookInfo.SaveData: boolean;



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begin



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  Result := False;



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  if not FChanged then



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  begin



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    Result := True;



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    Exit;



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  end;



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  if lvAuthors.Items.Count = 0 then



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  begin



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    MessageDlg('Укажите минимум одного автора!', mtError, [mbOk], 0);



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    Exit;



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  end;



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  if edT.Text = '' then



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  begin



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    MessageDlg('Укажите название книги!', mtError, [mbOk], 0);



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    Exit;



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  end;



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  Result := True;



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end;



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end.
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end.