mirror of
https://github.com/danieleteti/delphimvcframework.git
synced 2024-11-15 15:55:54 +01:00
113 lines
2.8 KiB
ObjectPascal
113 lines
2.8 KiB
ObjectPascal
// ***************************************************************************
|
|
//
|
|
// Delphi MVC Framework
|
|
//
|
|
// Copyright (c) 2010-2024 Daniele Teti and the DMVCFramework Team
|
|
//
|
|
// https://github.com/danieleteti/delphimvcframework
|
|
//
|
|
// ***************************************************************************
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
// *************************************************************************** }
|
|
|
|
unit WaitingFormU;
|
|
|
|
interface
|
|
|
|
uses
|
|
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
|
|
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ExtCtrls;
|
|
|
|
type
|
|
TWaitingForm = class(TForm)
|
|
lblMessage: TLabel;
|
|
Shape1: TShape;
|
|
lblRunningRequests: TLabel;
|
|
TimerWaiting: TTimer;
|
|
procedure TimerWaitingTimer(Sender: TObject);
|
|
procedure FormDestroy(Sender: TObject);
|
|
private
|
|
FWaitingCount: Integer;
|
|
fPoints: Integer;
|
|
procedure SetWaitingCount(const Value: Integer);
|
|
{ Private declarations }
|
|
public
|
|
property WaitingCount: Integer read FWaitingCount write SetWaitingCount;
|
|
procedure IncreaseWaitingCount;
|
|
procedure DecreaseWaitingCount;
|
|
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
System.Math, System.StrUtils;
|
|
|
|
{$R *.dfm}
|
|
{ TWaitingForm }
|
|
|
|
procedure TWaitingForm.DecreaseWaitingCount;
|
|
begin
|
|
WaitingCount := WaitingCount - 1;
|
|
end;
|
|
|
|
procedure TWaitingForm.FormDestroy(Sender: TObject);
|
|
begin
|
|
Screen.Cursor := crDefault;
|
|
end;
|
|
|
|
procedure TWaitingForm.IncreaseWaitingCount;
|
|
begin
|
|
WaitingCount := WaitingCount + 1;
|
|
end;
|
|
|
|
procedure TWaitingForm.SetWaitingCount(const Value: Integer);
|
|
begin
|
|
FWaitingCount := Max(0, Value);
|
|
if FWaitingCount = 0 then
|
|
begin
|
|
TimerWaiting.Enabled := False;
|
|
Hide;
|
|
Screen.Cursor := crDefault;
|
|
end
|
|
else
|
|
begin
|
|
if not Visible then
|
|
begin
|
|
Screen.Cursor := crHourGlass;
|
|
fPoints := 0;
|
|
TimerWaiting.Enabled := True;
|
|
Show;
|
|
end;
|
|
lblRunningRequests.Caption := FWaitingCount.ToString + ' running request' + ifthen(FWaitingCount > 1, 's');
|
|
lblRunningRequests.Update;
|
|
end;
|
|
end;
|
|
|
|
procedure TWaitingForm.TimerWaitingTimer(Sender: TObject);
|
|
begin
|
|
if fPoints = 3 then
|
|
begin
|
|
fPoints := 0;
|
|
end
|
|
else
|
|
begin
|
|
Inc(fPoints);
|
|
end;
|
|
lblMessage.Caption := 'Please wait' + StringOfChar('.', fPoints);
|
|
end;
|
|
|
|
end.
|