unit ucadProvidencias;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants,
  System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, umstCadastro, Data.DB, Vcl.Grids,
  Vcl.DBGrids, Vcl.ExtCtrls, Vcl.DBCtrls, Vcl.StdCtrls, Vcl.Mask, Vcl.ComCtrls,
  Vcl.Buttons,
  System.ImageList, Vcl.ImgList;

// Tentando "Hackear" o TDBNavigator
type
  THackDBNavigator = class(TDBNavigator);

type
  TcadProvidencias = class(TmstCadastro)
    ImageList1: TImageList;
    dbgrid_providencias: TDBGrid;
    DBMemo1: TDBMemo;
    procedure FormCreate(Sender: TObject);
    procedure pcClientesChange(Sender: TObject);
    procedure dtsDBStateChange(Sender: TObject);
    procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
    procedure navPrincipalBeforeAction(Sender: TObject; Button: TNavigateBtn);
  private
    { Private declarations }
    procedure SetupHackedNavigator(const Navigator: TDBNavigator;
      const Glyphs: TImageList);
    procedure WMMoving(var Msg: TWMMoving); message WM_MOVING;
  public
  id_prov: integer;
    { Public declarations }
  end;

var
  cadProvidencias: TcadProvidencias;

implementation

{$R *.dfm}

uses udtmSystem, System.UITypes;

procedure TcadProvidencias.dtsDBStateChange(Sender: TObject);
begin
  // inherited;
  // DBLookupListBox1.Enabled := not(dtsDB.State in [dsEdit, dsInsert]);
  grpDescricao.Enabled := (dtsDB.DataSet.State in [dsEdit, dsInsert]);
  dbgrid_providencias.ReadOnly :=
    not(dtsDB.DataSet.State in [dsEdit, dsInsert]);

end;

procedure TcadProvidencias.FormCreate(Sender: TObject);
begin
  inherited;
  dtmSystem.tblProvidencias.Open;
  dtmSystem.tblInadimplencias.Open;
  SetupHackedNavigator(navPrincipal, ImageList1);
  id_prov := -1;

  navPrincipal.Enabled := dtmSystem.VerificarPermissao('CBR.02.05');
end;

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

procedure TcadProvidencias.navPrincipalBeforeAction(Sender: TObject;
  Button: TNavigateBtn);
begin
  case Button of
    nbPost:
      begin
        if dtmSystem.tblProvidenciasTP_FORCAAGENDA.AsString = '' then
        begin
          Messagedlg
            ('Por favor escolha se a providência irá forçar agendamento ou não.',
            mtWarning, [mbOk], 0);
          abort;
        end;
      end;
  end;
  inherited;
end;

procedure TcadProvidencias.pcClientesChange(Sender: TObject);
begin
  inherited;
  case pcClientes.ActivePageIndex of
    0:
      begin
        dtsDB.DataSet := dtmSystem.tblProvidencias;
      end;
    1:
      begin
        dtsDB.DataSet := dtmSystem.tblInadimplencias;
      end;
  end;
end;

procedure TcadProvidencias.SetupHackedNavigator(const Navigator: TDBNavigator;
  const Glyphs: TImageList);
const
  Captions: array [TNavigateBtn] of string = ('Primeiro', 'Anterior', 'Próximo',
    'Último', 'Adicionar', 'Excluir', 'Alterar', 'Confirmar', 'Cancelar',
    'Atualizar', 'Aplicar Atualizações', 'Cancelar Atualizãções');
  (* Captions : array[TNavigateBtn] of string =
    ('First', 'Prior', 'Next', 'Last', 'Insert',
    'Delete', 'Edit', 'Post', 'Cancel', 'Refresh'); *)
var
  btn: TNavigateBtn;
begin
  // função propriamente dita para "hackear" o navigator
  for btn := Low(TNavigateBtn) to High(TNavigateBtn) do
    with THackDBNavigator(Navigator).Buttons[btn] do
    begin
      // from the Captions const array
      Caption := Captions[btn];

      // the number of images in the Glyph property
      NumGlyphs := 1;
      // Remove the old glyph.
      Glyph := nil;
      // Assign the custom one
      Glyphs.GetBitmap(Integer(btn), Glyph);
      // gylph above text
      Layout := blGlyphTop;

      Font.Style := Font.Style - [fsbold];
    end;

end;

procedure TcadProvidencias.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.