lazarus/components/tachart/demo/axisalign/main.pas

124 lines
3.2 KiB
ObjectPascal

unit main;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, TAGraph, TASources, TASeries, Forms, Controls,
Graphics, Dialogs, Spin, StdCtrls, ExtCtrls, ComCtrls;
type
{ TForm1 }
TForm1 = class(TForm)
Bevel1: TBevel;
Bevel2: TBevel;
ChartTop: TChart;
ChartTopLineSeries1: TLineSeries;
Chart1LineSeries2: TLineSeries;
ChartBottom: TChart;
ChartBottomLineSeries1: TLineSeries;
Chart2LineSeries2: TLineSeries;
ChartRight: TChart;
ChartLeft: TChart;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
Label6: TLabel;
lblInfo: TLabel;
PageControl1: TPageControl;
Panel1: TPanel;
Panel2: TPanel;
Panel3: TPanel;
RandomChartSource1: TRandomChartSource;
RandomChartSource2: TRandomChartSource;
EdLabelSizeLeft: TSpinEdit;
EdLabelSizeRight: TSpinEdit;
EdPositionLeft: TSpinEdit;
EdLabelSizeBottom: TSpinEdit;
EdLabelSizeTop: TSpinEdit;
EdPositionBottom: TSpinEdit;
TabSheet1: TTabSheet;
TabSheet2: TTabSheet;
procedure EdLabelSizeTopChange(Sender: TObject);
procedure EdPositionBottomChange(Sender: TObject);
procedure EdLabelSizeLeftChange(Sender: TObject);
procedure EdLabelSizeRightChange(Sender: TObject);
procedure EdPositionLeftChange(Sender: TObject);
procedure EdLabelSizeBottomChange(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure PageControl1Change(Sender: TObject);
private
{ private declarations }
public
{ public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.lfm}
{ TForm1 }
procedure TForm1.FormCreate(Sender: TObject);
begin
PageControl1Change(nil);
end;
procedure TForm1.PageControl1Change(Sender: TObject);
const
AXIS_NAMES: array[0..1] of String = ('left and right', 'top and bottom');
begin
lblInfo.Caption := Format('The %s axis lines are at different ' +
'positions. Increase "LabelSize" to align them.', [AXIS_NAMES[PageControl1.PageIndex]]);
end;
{ Charts on page "stacked" }
procedure TForm1.EdLabelSizeLeftChange(Sender: TObject);
begin
ChartTop.LeftAxis.LabelSize := EdLabelSizeLeft.Value;
ChartBottom.LeftAxis.LabelSize := EdLabelSizeLeft.Value;
end;
procedure TForm1.EdLabelSizeRightChange(Sender: TObject);
begin
ChartTop.AxisList[2].LabelSize := EdLabelSizeRight.Value;
ChartBottom.AxisList[2].LabelSize := EdLabelSizeRight.Value;
end;
procedure TForm1.EdPositionLeftChange(Sender: TObject);
begin
ChartTop.LeftAxis.Position := EdPositionLeft.Value;
ChartBottom.LeftAxis.Position := EdPositionLeft.Value;
end;
{ Charts on page "side-by-side" }
procedure TForm1.EdLabelSizeBottomChange(Sender: TObject);
begin
ChartLeft.BottomAxis.LabelSize := EdLabelSizeBottom.Value;
ChartRight.BottomAxis.LabelSize := EdLabelSizeBottom.Value;
end;
procedure TForm1.EdLabelSizeTopChange(Sender: TObject);
begin
ChartLeft.AxisList[2].LabelSize := EdLabelSizeTop.Value;
ChartRight.AxisList[2].LabelSize := EdLabelSizeTop.Value;
end;
procedure TForm1.EdPositionBottomChange(Sender: TObject);
begin
ChartLeft.BottomAxis.Position := EdPositionBottom.Value;
ChartRight.BottomAxis.Position := EdPositionBottom.Value;
end;
end.