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| unit UFRM_Main;
interface
uses
// ...... uses clauses
type TPanelCellValue = class
zBool : boolean;
zLabelContent : string;
zEditContent : string;
end;
type TAccItem = class
zsName : string;
zsTown : string;
end;
type TPanelCell = class(TPanel)
iLabel : TLabel;
iCheckBox : TCheckBox;
iEdit : TEdit;
Constructor Create (AOwner: TComponent);override;
protected
procedure SetData(const Value: TValue);override;
end;
type TPanelCol = class(TColumn)
protected
function CreateCellControl: TStyledControl;override;
end;
type TCheckBoxCell = class (TCheckBox)
end;
type
TForm3 = class(TForm)
Grid1: TGrid;
Cnx: TUniConnection;
QrAccList: TUniQuery;
procedure FormCreate(Sender: TObject);
procedure Grid1GetValue(Sender: TObject; const Col, Row: Integer;var Value: TValue);
procedure Grid1DrawColumnCell(Sender: TObject; const Canvas: TCanvas;
const Column: TColumn; const [Ref] Bounds: TRectF; const Row: Integer;
const [Ref] Value: TValue; const State: TGridDrawStates);
private
{ Déclarations privées }
dftPanelCellValue : TPanelCellValue;
AccList : TList<TAccItem>;
public
{ Déclarations publiques }
end;
var
Form3: TForm3;
implementation
{$R *.fmx}
function TCol1.CreateCellControl: TStyledControl;
begin
Result := TCheckBoxCell.Create(self);
end;
function TPanelCol.CreateCellControl: TStyledControl;
begin
Result := TPanelCell.Create(self);
end;
Constructor TPanelCell.Create(Aowner: TComponent);
begin
inherited;
iLabel := TLabel.Create(self);
iLabel.Parent := self;
iLabel.Text := 'Test';
iCheckbox := TCheckBox.Create(self);
iCheckbox.Position.Y := 30;
iCheckBox.Parent := self;
iEdit := TEdit.Create(self);
iEdit.Parent := self;
iEdit.Position.Y := 60;
iEdit.Width := 200;
end;
procedure TForm3.FormCreate(Sender: TObject);
var i : integer;
begin
{$IFDEF MSWINDOWS}
cnx.Database := 'Path to the database';
{$ENDIF MSWINDOWS}
{$IFDEF Android}
cnx.Database := System.IOUtils.TPath.GetHomePath + System.IOUtils.TPath.DirectorySeparatorChar + 'databaseName';
{$ENDIF Android}
try
cnx.Connected := true;
QrAccList.Execute;
except
showmessage('could not open database');
end;
Grid1.AddObject(TPanelCol.Create(Grid1));
Grid1.Columns[0].Width := Grid1.Width;
Grid1.RowCount := 5000;
end;
procedure TForm3.Grid1DrawColumnCell(Sender: TObject; const Canvas: TCanvas;
const Column: TColumn; const [Ref] Bounds: TRectF; const Row: Integer;
const [Ref] Value: TValue; const State: TGridDrawStates);
var tP : TPanelCell;
begin
try
Canvas.BeginScene() ;
tP := TPanelCell.Create(nil);
// tP.Parent := Column;
tP.Height := Form3.Grid1.RowHeight;
tP.Width := Column.Width;
// tP.Position.X := Bounds.Left ;
// tP.Position.Y := Bounds.Top ;}
tp.PaintTo(Canvas, Bounds);
Canvas.EndScene;
finally
// tp.Free;
end;
end;
procedure TForm3.Grid1GetValue(Sender: TObject; const Col, Row: Integer;
var Value: TValue);
var lVal : TPanelCellValue;
begin
if col = 0 then begin
lVal := TPanelCellValue.Create();
lVal.zLabelContent := inttostr(row);
TValue.Make(@lVal,TypeInfo(TPanelCellValue),Value);
end ;
end;
procedure TPanelCell.SetData(const Value: TValue) ;
var
lVal : TPanelCellValue;
begin
lVal := TPanelCellValue.Create();
Value.ExtractRawData(@lVal);
iLabel.Text := 'Row ' + lVal.zLabelContent;
iCheckBox.IsChecked := strtoint(lVal.zLabelContent) MOD 2 = 0;
iEdit.Text := 'Edit the row ' + lVal.zLabelContent;
end;
end. |
