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Defaults.pas
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Defaults.pas
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unit Defaults;
interface
uses
Windows, SysUtils, Classes, Controls, Forms, StdCtrls, Dialogs, Registry,
ComCtrls, ExtCtrls, Graphics, DatabaseEdit;
type
TDefaultsForm = class(TForm)
PageControl: TPageControl;
VesselTabSheet: TTabSheet;
LevelmeterTabSheet: TTabSheet;
HeatLab: TLabel;
MinResLab: TLabel;
ShortIntLab: TLabel;
FilltimeLab: TLabel;
HeatEd: TOraEdit;
MinResEd: TOraEdit;
ShortIntEd: TOraEdit;
FilltimeEd: TOraEdit;
ZeroEd: TOraEdit;
ZeroLab: TLabel;
LongIntLab: TLabel;
LongIntEd: TOraEdit;
MaxResLab: TLabel;
MaxResEd: TOraEdit;
AdcLab: TLabel;
AdcEd: TOraEdit;
SpanLab: TLabel;
SpanEd: TOraEdit;
cVoltAlarmLab: TLabel;
cVoltMinLab: TLabel;
VoltMinEd: TOraEdit;
VoltAlarmEd: TOraEdit;
cVoltMaxLab: TLabel;
VoltMaxEd: TOraEdit;
Bevel2: TBevel;
cOkBtn: TButton;
CancelBtn: TButton;
ApplyBtn: TButton;
procedure PageControlDrawTab(Control: TCustomTabControl; TabIndex: Integer;
const Rect: TRect; Active: Boolean);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure PropertyOnChange(Sender: TObject);
procedure cOkBtnClick(Sender: TObject);
procedure CancelBtnClick(Sender: TObject);
procedure ApplyBtnClick(Sender: TObject);
private
procedure Init;
procedure ApplyValues;
procedure SaveValues;
public
constructor CreateWithProperties(AOwner: TComponent);
destructor Destroy; override;
end;
implementation
{$R *.dfm}
constructor TDefaultsForm.CreateWithProperties(AOwner: TComponent);
begin
create(AOwner);
Init;
ApplyBtn.Enabled := false;
end;
destructor TDefaultsForm.Destroy;
begin
inherited Destroy;
end;
procedure TDefaultsForm.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
begin
CanClose := not ApplyBtn.Enabled;
if not CanClose then
CanClose := (MessageDlg('If you cancel your changes will get lost.' + #13
+ 'Do you want to cancel anyway?',
mtConfirmation, [mbYes,mbNo], 0) = mrYes);
end;
procedure TDefaultsForm.PageControlDrawTab(Control: TCustomTabControl;
TabIndex: Integer; const Rect: TRect; Active: Boolean);
var
LCaptionX: Integer;
LCaptionY: Integer;
LTabCaption: string;
begin
with Control.Canvas do
begin
Font.Color := clWindowText;
Brush.Style := bsSolid;
if (TabIndex = TPageControl(Control).TabIndex) then
Brush.Color := clBtnHighLight
else
Brush.Color := clBtnFace;
LTabCaption := PageControl.Pages[TabIndex].Caption;
LCaptionX := Rect.Left + ((Rect.Right - Rect.Left - TextWidth(LTabCaption)) div 2);
LCaptionY := Rect.Top + ((Rect.Bottom - Rect.Top - TextHeight('Gg')) div 2);
FillRect(Rect);
TextOut(LCaptionX, LCaptionY, LTabCaption);
end;
end;
procedure TDefaultsForm.PropertyOnChange(Sender: TObject);
begin
ApplyBtn.Enabled := true;
end;
procedure TDefaultsForm.Init;
var LReg: TRegistry;
begin
LReg := TRegistry.Create;
LReg.RootKey := HKEY_CURRENT_USER;
with LReg do
try
if KeyExists('Software\HZB_Helium\Def_Options\') then
begin
OpenKey('Software\HZB_Helium\Def_Options\',true);
if ValueExists('interval_short') then
ShortIntEd.Text := intToStr(LReg.ReadInteger('interval_short'));
if LReg.ValueExists('interval_long') then
LongIntEd.Text := intToStr(LReg.ReadInteger('interval_long'));
if LReg.ValueExists('resistance_min') then
MinResEd.Text := floatToStr(LReg.ReadFloat('resistance_min'));
if LReg.ValueExists('resistance_max') then
MaxResEd.Text := floatToStr(LReg.ReadFloat('resistance_max'));
if LReg.ValueExists('heattime') then
HeatEd.Text := intToStr(LReg.ReadInteger('heattime'));
if LReg.ValueExists('adc_cycles') then
AdcEd.Text := intToStr(LReg.ReadInteger('adc_cycles'));
if LReg.ValueExists('fill_timeout') then
FillTimeEd.Text := intToStr(LReg.ReadInteger('fill_timeout'));
if LReg.ValueExists('span') then
SpanEd.Text := intToStr(LReg.ReadInteger('span'));
if LReg.ValueExists('zero') then
ZeroEd.Text := intToStr(LReg.ReadInteger('zero'));
if LReg.ValueExists('voltage_max') then
VoltMaxEd.Text := floatToStr(LReg.ReadFloat('voltage_max'));
if LReg.ValueExists('voltage_min') then
VoltMinEd.Text := floatToStr(LReg.ReadFloat('voltage_min'));
if LReg.ValueExists('voltage_alarm') then
VoltAlarmEd.Text := intToStr(LReg.ReadInteger('voltage_alarm'));
end;
finally
LReg.CloseKey;
end;
LReg.Free;
end;
procedure TDefaultsForm.ApplyValues;
begin
if (ShortIntEd.Text <> '') and (strtoint(ShortIntEd.Text) > 0) then
if (LongIntEd.Text <> '') and (strtoint(LongIntEd.Text) > 0) then
if (MinResEd.Text <> '') and (strtofloat(MinResEd.Text) > 0) then
if (MaxResEd.Text <> '') and (strtofloat(MaxResEd.Text) > 0) then
if (HeatEd.Text <> '') and (strtoint(HeatEd.Text) > 0) then
if (AdcEd.Text <> '') and (strtoint(AdcEd.Text) > 0) then
if (FillTimeEd.Text <> '') and (strtoint(FillTimeEd.Text) > 0) then
if (SpanEd.Text <> '') and (strtofloat(SpanEd.Text) > 0) then
if (ZeroEd.Text <> '') and (strtofloat(ZeroEd.Text) > 0) then
if (VoltMaxEd.Text <> '') and (strtofloat(VoltMaxEd.Text) > 0) then
if (VoltMinEd.Text <> '') and (strtofloat(VoltMinEd.Text) > 0) then
if (VoltAlarmEd.Text <> '') and (strtoint(VoltAlarmEd.Text) >= 0)
and (strtoint(VoltAlarmEd.Text) <= 100) then
begin
if (MessageDlg('Do you really want to save?',
mtCustom, [mbYes, mbNo], 0) = mrYes) then
begin
SaveValues;
ApplyBtn.Enabled := false;
end;
end
else MessageDlg('Invalid value for critical battery capacity (0-100 %)!', mtError, [mbOK], 0)
else MessageDlg('Invalid value for Min voltage!', mtError, [mbOK], 0)
else MessageDlg('Invalid value for Max voltage!', mtError, [mbOK], 0)
else MessageDlg('Invalid value for zero!', mtError, [mbOK], 0)
else MessageDlg('Invalid value for span!', mtError, [mbOK], 0)
else MessageDlg('Invalid fill timeout!', mtError, [mbOK], 0)
else MessageDlg('Invalid number of adc loops!', mtError, [mbOK], 0)
else MessageDlg('Invalid heat time!', mtError, [mbOK], 0)
else MessageDlg('Invalid max resistance!', mtError, [mbOK], 0)
else MessageDlg('Invalid min resistance!', mtError, [mbOK], 0)
else MessageDlg('Invalid long interval!', mtError, [mbOK], 0)
else MessageDlg('Invalid short interval!', mtError, [mbOK], 0);
end;
procedure TDefaultsForm.SaveValues;
var
LReg: TRegistry;
begin
LReg := TRegistry.Create;
LReg.RootKey := HKEY_CURRENT_USER;
try
LReg.OpenKey('Software\HZB_Helium\Def_Options\',true);
LReg.WriteInteger('interval_short', strToInt(ShortIntEd.Text));
LReg.WriteInteger('interval_long', strToInt(LongIntEd.Text));
LReg.WriteFloat('resistance_min', strToFloat(MinResEd.Text));
LReg.WriteFloat('resistance_max', strToFloat(MaxResEd.Text));
LReg.WriteInteger('heattime', strToInt(HeatEd.Text));
LReg.WriteInteger('adc_cycles', strToInt(AdcEd.Text));
LReg.WriteInteger('fill_timeout', strToInt(FillTimeEd.Text));
LReg.WriteInteger('span', strToInt(SpanEd.Text));
LReg.WriteInteger('zero', strToInt(ZeroEd.Text));
LReg.WriteFloat('voltage_max', strToFloat(VoltMaxEd.Text));
LReg.WriteFloat('voltage_min', strToFloat(VoltMinEd.Text));
LReg.WriteInteger('voltage_alarm', strToInt(VoltAlarmEd.Text));
finally
LReg.CloseKey;
end;
LReg.Free;
end;
procedure TDefaultsForm.cOkBtnClick(Sender: TObject);
begin
if ApplyBtn.Enabled then
ApplyValues;
if not ApplyBtn.Enabled then
ModalResult := mrOK;
end;
procedure TDefaultsForm.CancelBtnClick(Sender: TObject);
begin
ModalResult := mrCancel;
if ApplyBtn.Enabled then
if (MessageDlg('If you cancel your changes will get lost.' + #13
+ 'Do you want to cancel anyway?',
mtConfirmation, [mbYes, mbNo], 0) = mrYes) then
ApplyBtn.Enabled := false
else
ModalResult := mrNone;
end;
procedure TDefaultsForm.ApplyBtnClick(Sender: TObject);
begin
ApplyValues;
end;
end.