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unit ceSeriesDlg;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, ButtonPanel, ExtCtrls,
StdCtrls,
TACustomSeries, TASeries, TAGraph, TAChartCombos,
ceSeriesFrame;
type
{ TChartSeriesEditor }
TChartSeriesEditor = class(TForm)
ButtonPanel: TButtonPanel;
cbPenColor: TColorButton;
cbPenStyle: TChartComboBox;
cbPenWidth: TChartComboBox;
lblPenStyle: TLabel;
lblPenWidth: TLabel;
procedure FormActivate(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: boolean);
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure OKButtonClick(Sender: TObject);
private
FSeries: TBasicChartSeries;
FSeriesFrame: TChartSeriesFrame;
FSavedSeries: TBasicChartSeries;
FSavedActive: Boolean;
FOKClicked: Boolean;
protected
function GetChart: TChart;
public
procedure Prepare(ASeries: TBasicChartSeries; ACaptionMask: String);
end;
var
SeriesEditor: TChartSeriesEditor;
implementation
{$R *.lfm}
procedure TChartSeriesEditor.FormActivate(Sender: TObject);
var
w: Integer = 0;
h: Integer = 0;
begin
FSeriesFrame.GetPreferredSize(w, h);
inc(w, FSeriesFrame.BorderSpacing.Around*2);
inc(h, FSeriesFrame.BorderSpacing.Around*2);
Constraints.MinHeight := h + ButtonPanel.Height + ButtonPanel.BorderSpacing.Around;
end;
procedure TChartSeriesEditor.FormCloseQuery(Sender: TObject; var CanClose: boolean);
begin
if not CanClose then exit;
if not FOKClicked then begin
FSeries.Assign(FSavedSeries);
FSeries.Active := FSavedActive;
GetChart.Invalidate;
end;
end;
procedure TChartSeriesEditor.FormCreate(Sender: TObject);
begin
FSeriesFrame := TChartSeriesFrame.Create(self);
FSeriesFrame.Parent := Self;
FSeriesFrame.Name := '';
FSeriesFrame.Align := alClient;
FSeriesFrame.BorderSpacing.Around := 8;
FSeriesFrame.AutoSize := true;
AutoSize := true;
end;
procedure TChartSeriesEditor.FormDestroy(Sender: TObject);
begin
FSavedSeries.Free;
end;
function TChartSeriesEditor.GetChart: TChart;
begin
Result := FSeries.ParentChart;
end;
procedure TChartSeriesEditor.OKButtonClick(Sender: TObject);
begin
FOKClicked := true;
end;
procedure TChartSeriesEditor.Prepare(ASeries: TBasicChartSeries; ACaptionMask: String);
var
seriesClass: TSeriesClass;
begin
FSeries := ASeries;
FSavedSeries.Free;
seriesClass := TSeriesClass(FSeries.ClassType);
FSavedSeries := seriesClass.Create(FSeries.Owner);
FSavedSeries.Assign(FSeries);
FSavedActive := FSeries.Active;
FOKClicked := false;
if FSeries is TCustomChartSeries then
Caption := Format(ACaptionMask, [TCustomChartSeries(FSeries).Title])
else begin
Caption := 'SERIES NOT SUPPORTED';
exit;
end;
FSeriesFrame.Prepare(ASeries);
end;
end.
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