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unit AdminServerHealthBarGraph;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, AuxFuncs, StdCtrls, ExtCtrls, PNGImage, TntForms, TntStdCtrls,
TntExtCtrls, myx_admin_public_interface;
type
TAdminServerHealthBarGraphFrame = class(TTntFrame)
ValueImg: TTntImage;
MainPnl: TTntPanel;
EmptyImg: TTntImage;
ValueLbl: TTntLabel;
MaxLbl: TTntLabel;
CaptionPnl: TTntPanel;
CaptionLbl: TTntLabel;
constructor Create(AOwner: TComponent;
GraphCaption: WideString = '';
DisplayGraphCaption: integer = 0;
ValueCaption: WideString = '';
MaxCaption: WideString = '';
MinValue: Double = 0; MaxValue: Double = 100;
ValueUnit: MYX_HEALTH_GRAPH_VALUE_UNIT = MYX_HGVU_COUNT); reintroduce;
destructor Destroy; override;
procedure SetValue(value: double);
procedure SetMaxValue(MaxValue: double);
procedure FrameResize(Sender: TObject);
procedure TntFrameDblClick(Sender: TObject);
function GetValueCaption(ValueCaption: WideString; value: double): WideString;
private
FEmptyPNGImg,
FFilledPNGImg: TPNGObject;
FMinValue: Double;
FMaxValue: Double;
FValue: Double;
public
ValueUnit: MYX_HEALTH_GRAPH_VALUE_UNIT;
ValueCaption,
MaxCaption: WideString;
end;
implementation
{$R *.dfm}
uses
PNGTools;
constructor TAdminServerHealthBarGraphFrame.Create(AOwner: TComponent;
GraphCaption: WideString;
DisplayGraphCaption: integer;
ValueCaption: WideString;
MaxCaption: WideString;
MinValue: Double; MaxValue: Double;
ValueUnit: MYX_HEALTH_GRAPH_VALUE_UNIT);
begin
inherited Create(AOwner);
FEmptyPNGImg := LoadPNGImageFromResource('health_bar_empty', EmptyImg);
FFilledPNGImg := LoadPNGImageFromResource('health_bar_filled', ValueImg);
ValueImg.Width:=0;
self.ValueCaption:=ValueCaption;
self.MaxCaption:=MaxCaption;
ValueLbl.Caption:='';
MaxLbl.Caption:='';
FMinValue:=MinValue;
FMaxValue:=MaxValue;
self.ValueUnit:=ValueUnit;
CaptionLbl.Caption:=GraphCaption+':';
if(DisplayGraphCaption=0)then
CaptionPnl.Width:=0;
end;
destructor TAdminServerHealthBarGraphFrame.Destroy;
begin
FEmptyPNGImg.Free;
FFilledPNGImg.Free;
inherited Destroy;
end;
procedure TAdminServerHealthBarGraphFrame.SetValue(value: double);
begin
if value > FMaxValue then
value := FMaxValue;
ValueLbl.Caption:=GetValueCaption(ValueCaption, Value);
ValueImg.Width := Round((value - FMinValue) / (FMaxValue - FMinValue) * EmptyImg.Width);
FValue := value;
end;
function TAdminServerHealthBarGraphFrame.GetValueCaption(ValueCaption: WideString; value: double): WideString;
var s: WideString;
begin
case ValueUnit of
MYX_HGVU_PERCENTAGE:
if(Trunc(value)=value)then
s:=ValueCaption+' '+FormatFloat('##0', value)+' %'
else
s:=ValueCaption+' '+FormatFloat('##0.0', value)+' %';
MYX_HGVU_COUNT:
if(Trunc(value)=value)then
s:=ValueCaption+' '+FormatFloat('###,###,##0', value)
else
s:=ValueCaption+' '+FormatFloat('###,###,##0.00', value);
MYX_HGVU_BYTE:
s:=ValueCaption+' '+FormatFileSize(value);
MYX_HGVU_SECONDS:
if(Trunc(value)=value)then
s:=ValueCaption+' '+FormatFloat('###,###,##0', value)+' s'
else
s:=ValueCaption+' '+FormatFloat('###,###,##0.00', value)+' s';
end;
Result:=s;
end;
procedure TAdminServerHealthBarGraphFrame.SetMaxValue(MaxValue: double);
begin
MaxLbl.Caption:=GetValueCaption(MaxCaption, MaxValue);
FMaxValue:=MaxValue;
if FMaxValue = 0 then
FMaxValue := 1;
SetValue(FValue);
end;
procedure TAdminServerHealthBarGraphFrame.FrameResize(Sender: TObject);
begin
SetValue(FValue);
end;
procedure TAdminServerHealthBarGraphFrame.TntFrameDblClick(
Sender: TObject);
begin
if(Assigned(OnDblClick))then
OnDblClick(self);
end;
end.
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