unit1.pas

suite component ace report

unit Unit1;

interface

uses
  Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  SctCtrl, SctVar, AcePage, SctRep, Db, DBTables, ExtCtrls, StdCtrls,
  Buttons, SctBtn;

type
  TForm1 = class(TForm)
    SctReport1: TSctReport;
    ReportPage: TSctGrouppage;
    ReportHeaderBand: TSctBand;
    ReportHeaderBandlevel: TSctLevel;
    PageHeaderBand: TSctBand;
    PageHeaderBandlevel: TSctLevel;
    DetailBand: TSctBand;
    DetailBandlevel: TSctLevel;
    PageFooterBand: TSctBand;
    PageFooterBandlevel: TSctLevel;
    ReportFooterBand: TSctBand;
    ReportFooterBandlevel: TSctLevel;
    DataSource1: TDataSource;
    Table1: TTable;
    svarDateTime: TSctDateTimeVar;
    svarPage: TSctPageVar;
    DataSourceGuide: TSctDataSourceGuide;
    table1Species_No: TSctDBVar;
    table1Category: TSctDBVar;
    table1Common_Name: TSctDBVar;
    table1Species_Name: TSctDBVar;
    table1Length__cm_: TSctDBVar;
    table1Length_In: TSctDBVar;
    table1Notes: TSctDBVar;
    table1Graphic: TSctDBVar;
    varlabel: TSctvarlabel;
    varlabel1: TSctvarlabel;
    SctReportButton1: TSctReportButton;
    CheckBox1: TCheckBox;
    CheckBox2: TCheckBox;
    varlabel3: TSctvarlabel;
    varlabel2: TSctvarlabel;
    Sctvarlabel1: TSctvarlabel;
    procedure SctReport1BeforePrint(Report: TSctReport);
    procedure ReportPageBeforeNewPage(Page: TSctPage;
      var DoNewPage: Boolean);
    procedure DetailBandBeforePrint(Band: TSctBand);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation
var
  MarkYPos, nCols, nColWidth, nCurrCol: Integer;
{$R *.DFM}

procedure TForm1.SctReport1BeforePrint(Report: TSctReport);
begin
  DetailBand.KeepTogether := CheckBox1.Checked;

  if CheckBox2.Checked then nCols := 3 else nCols := 2;
  nColWidth := Report.Page.PageWidth div nCols;

  {Optionally, modify label widths based on column width}
  varLabel.Width := nColWidth * 19 div 20;
  varLabel1.Width := nColWidth * 19 div 20;

  nCurrCol := 0;
  MarkYPos := -1;
end;

procedure TForm1.ReportPageBeforeNewPage(Page: TSctPage;
  var DoNewPage: Boolean);
begin
  Inc(nCurrCol);
  DoNewPage := (nCurrCol >= nCols);
  if DoNewPage then nCurrCol := 0 else Page.yPos := MarkYPos;

  Page.xPos := Round(Page.PageSetup.LeftMargin * Page.PixelsPerInch)
              + (nCurrCol * nColWidth);
end;

procedure TForm1.DetailBandBeforePrint(Band: TSctBand);
begin
  if MarkYPos = -1 then MarkYPos :=  Band.Page.YPos;
end;

end.