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unit DialogUnit;
interface
uses
Forms, Dialogs, Controls, Classes, Windows,
ModalForm;
type
TDialogForm = class(TModalForm)
procedure FormShow(Sender: TObject);
procedure FormClose(Sender: TObject; var Action: TCloseAction);
procedure ButtonClick(Sender: TObject);
private
m_ModID: TModalFormID;
msgDlg: TForm;
function GetCaption: TCaption;
procedure SetCaption(capt: TCaption);
protected
function GetHandle: hWnd; override;
function GetEnabled_: boolean; override;
procedure SetEnabled_(flag: boolean); override;
function GetLeft_: integer; override;
procedure SetLeft_(x: integer); override;
function GetTop_: integer; override;
procedure SetTop_(y: integer); override;
function GetModalID: TModalFormID; override;
public
constructor Create(frmOwner: TForm; const wstrMsg: WideString;
DlgType: TMsgDlgType; Buttons: TMsgDlgButtons; modID: TModalFormID = mfNone;
msgDlgHandler: TModalFormHandler = nil; bStayOnTopIfNoOwner: boolean = FALSE); overload;
constructor Create(dlgOwner: TDialogs; const wstrMsg: WideString;
DlgType: TMsgDlgType; Buttons: TMsgDlgButtons; modID: TModalFormID;
msgDlgHandler: TModalFormHandler; bStayOnTopIfNoOwner: boolean = FALSE); overload;
destructor Destroy; override;
procedure Show; override;
procedure Close; override;
function ShowModal: integer; reintroduce;
procedure SetFocus; override;
property Caption: TCaption read GetCaption write SetCaption;
end;
implementation
uses
StdCtrls, SysUtils, MessageDialogUnit;
constructor TDialogForm.Create(frmOwner: TForm; const wstrMsg: WideString;
DlgType: TMsgDlgType; Buttons: TMsgDlgButtons; modID: TModalFormID = mfNone;
msgDlgHandler: TModalFormHandler = nil; bStayOnTopIfNoOwner: boolean = FALSE);
var
i: integer;
begin
inherited CreateNew(frmOwner);
m_ModID := modID;
RHandler := msgDlgHandler;
msgDlg := MessageDialogUnit.CreateMessageDialog(frmOwner, wstrMsg, DlgType, Buttons,
bStayOnTopIfNoOwner);
// msgDlg.FormStyle := frmOwner.FormStyle;
msgDlg.OnShow := FormShow;
msgDlg.OnClose := FormClose;
for i := 0 to (msgDlg.ComponentCount - 1) do
begin
if (msgDlg.Components[i] is TButton) then
TButton(msgDlg.Components[i]).OnClick := ButtonClick;
end;
end;
constructor TDialogForm.Create(dlgOwner: TDialogs; const wstrMsg: WideString;
DlgType: TMsgDlgType; Buttons: TMsgDlgButtons; modID: TModalFormID;
msgDlgHandler: TModalFormHandler; bStayOnTopIfNoOwner: boolean = FALSE);
begin
self.dlgOwner := dlgOwner;
Create((dlgOwner.Owner as TForm), wstrMsg, DlgType, Buttons, modID, msgDlgHandler, bStayOnTopIfNoOwner);
end;
procedure TDialogForm.FormShow(Sender: TObject);
begin
inherited FormShow(msgDlg);
end;
procedure TDialogForm.FormClose(Sender: TObject; var Action: TCloseAction);
begin
if Assigned(dlgOwner) then
dlgOwner.UnsetShowing(self);
if (fsModal in msgDlg.FormState) then
exit;
if (Assigned(RHandler)) then
RHandler(TModalForm(msgDlg), GetModalID);
// Action := caFree;
Release;
end;
procedure TDialogForm.Show;
begin
msgDlg.Show;
end;
procedure TDialogForm.Close;
begin
msgDlg.Close;
end;
function TDialogForm.ShowModal: integer;
begin
Result := msgDlg.ShowModal;
end;
procedure TDialogForm.ButtonClick(Sender: TObject);
begin
if not (fsModal in msgDlg.FormState) then
msgDlg.Close;
end;
destructor TDialogForm.Destroy;
begin
msgDlg.Release;
inherited;
end;
function TDialogForm.GetCaption: TCaption;
begin
Result := msgDlg.Caption;
end;
procedure TDialogForm.SetCaption(capt: TCaption);
begin
msgDlg.Caption := capt;
end;
function TDialogForm.GetHandle: hWnd;
begin
Result := msgDlg.Handle;
end;
function TDialogForm.GetEnabled_: boolean;
begin
Result := msgDlg.Enabled;
end;
procedure TDialogForm.SetEnabled_(flag: boolean);
begin
msgDlg.Enabled := flag;
end;
procedure TDialogForm.SetFocus;
begin
msgDlg.SetFocus;
msgDlg.Show;
end;
function TDialogForm.GetLeft_: integer;
begin
Result := msgDlg.Left;
end;
procedure TDialogForm.SetLeft_(x: integer);
begin
msgDlg.Left := x;
end;
function TDialogForm.GetTop_: integer;
begin
Result := msgDlg.Top;
end;
procedure TDialogForm.SetTop_(y: integer);
begin
msgDlg.Top := y;
end;
function TDialogForm.GetModalID: TModalFormID;
begin
Result := m_ModID;
end;
end.
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