unit ufrmEscolheLayout;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants,
  System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.DBCtrls, Data.DB;

type
  TfrmEscolheLayout = class(TForm)
    dtsLayout: TDataSource;
    DBLookupComboBox1: TDBLookupComboBox;
    lbl_layout: TLabel;
    btn_ok: TButton;
    btn_cancel: TButton;
    DBLookupComboBox2: TDBLookupComboBox;
    lbl_beneficiario: TLabel;
    DBLookupComboBox3: TDBLookupComboBox;
    Label1: TLabel;
    procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
    procedure btn_okClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure FormMouseWheelDown(Sender: TObject; Shift: TShiftState;
      MousePos: TPoint; var Handled: Boolean);
    procedure FormMouseWheelUp(Sender: TObject; Shift: TShiftState;
      MousePos: TPoint; var Handled: Boolean);
  private
    procedure WMMoving(var Msg: TWMMoving); message WM_MOVING;
    { Private declarations }
  public
    id_emp: integer;
    id_prov: integer;
    escolheu: Boolean;
    { Public declarations }
  end;

var
  frmEscolheLayout: TfrmEscolheLayout;

implementation

{$R *.dfm}

uses udtmSystem, uimpDevedores, ucadDevedores;

procedure TfrmEscolheLayout.btn_okClick(Sender: TObject);
var
  erro: string;
begin
  // impDevedores.id_emp := DBLookupComboBox2.KeyValue;
  erro := '';
  // if (DBLookupComboBox1.KeyValue = -1) or (DBLookupComboBox2.KeyValue = -1) or
  // (DBLookupComboBox3.KeyValue = -1) then
  // begin
  // MessageDlg
  // ('Por favor escolha corretamente a empresa/layout/providência antes de importar.',
  // mtWarning, [mbOK], 0);
  // abort;
  // end;
  if (DBLookupComboBox1.KeyValue = Null) then
  begin
    erro := erro + 'Layout/';
  end;
  if (DBLookupComboBox2.KeyValue = Null) then
  begin
    erro := erro + 'Credor/';
  end;
  if (DBLookupComboBox3.KeyValue = Null) then
  begin
    erro := erro + 'Providência/';
  end;
  if erro <> '' then
  begin
    setlength(erro, length(erro) - 1);
    if MessageDlg('Você está prestes a realizar uma importação sem ' + erro +
      ' definido/os. Deseja Continuar?', mtWarning, mbYesNo, 0) = mrno then
    begin
      abort;
    end;
  end;
  dtmSystem.tblCHGEmpresa.Locate('ID_EMPRESA', DBLookupComboBox2.KeyValue, []);
  dtmSystem.id_empimport := dtmSystem.tblCHGEmpresaID_EMPRESA.AsInteger;
  if DBLookupComboBox3.KeyValue <> Null then
  begin
    id_prov := DBLookupComboBox3.KeyValue;
  end;
  escolheu := true;
end;

procedure TfrmEscolheLayout.FormCreate(Sender: TObject);
begin
  escolheu := false;
  if not(dtmSystem.tblCHGEmpresa.Active) then
  begin
    dtmSystem.tblCHGEmpresa.Open;
  end;
  if not(dtmSystem.tblProvidencias.Active) then
  begin
    dtmSystem.tblProvidencias.Open;
  end;
end;

procedure TfrmEscolheLayout.FormKeyDown(Sender: TObject; var Key: Word;
  Shift: TShiftState);
begin
  if Key = VK_ESCAPE then
  begin
    Key := 0;
    Close;
    ModalResult := mrCancel;
  end;
end;

procedure TfrmEscolheLayout.FormMouseWheelDown(Sender: TObject;
  Shift: TShiftState; MousePos: TPoint; var Handled: Boolean);
begin
  if (DBLookupComboBox1.Focused = true) then
  begin
    DBLookupComboBox1.Perform(WM_KEYDOWN, VK_DOWN, 0);
  end;
end;

procedure TfrmEscolheLayout.FormMouseWheelUp(Sender: TObject;
  Shift: TShiftState; MousePos: TPoint; var Handled: Boolean);
begin
  if (DBLookupComboBox1.Focused = true) then
  begin
    DBLookupComboBox1.Perform(WM_KEYDOWN, VK_UP, 0);
  end;
end;

procedure TfrmEscolheLayout.WMMoving(var Msg: TWMMoving);
var
  workArea: TRect;
begin
  workArea := Screen.WorkareaRect;

  with Msg.DragRect^ do
  begin
    if left < workArea.left then
      OffsetRect(Msg.DragRect^, workArea.left - left, 0);

    if top < workArea.top then
      OffsetRect(Msg.DragRect^, 0, workArea.top - top);

    if Right > workArea.Right then
      OffsetRect(Msg.DragRect^, workArea.Right - Right, 0);

    if Bottom > workArea.Bottom then
      OffsetRect(Msg.DragRect^, 0, workArea.Bottom - Bottom);
  end;

end;

end.