david
08e42642b8
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.DevExpressVCL@21 05c56307-c608-d34a-929d-697000501d7a
99 lines
2.3 KiB
ObjectPascal
99 lines
2.3 KiB
ObjectPascal
unit main;
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{$I ..\cxVer.inc}
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interface
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
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Buttons, StdCtrls, ExtCtrls, DB, DBTables, ComCtrls, ShellAPI, dxmdaset,
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dxtrprds, dxtree, dxdbtree;
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type
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TFMain = class(TForm)
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Panel1: TPanel;
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Panel2: TPanel;
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DBTreeView1: TdxDBTreeView;
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Table: TTable;
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DataSource1: TDataSource;
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RadioGroup: TRadioGroup;
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Label1: TLabel;
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ELevels: TEdit;
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Button1: TButton;
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BitBtn1: TBitBtn;
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ImageList1: TImageList;
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DBTreePrintDataSet: TdxDBTreePrintData;
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procedure ELevelsKeyPress(Sender: TObject; var Key: Char);
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procedure ELevelsExit(Sender: TObject);
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procedure Button1Click(Sender: TObject);
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procedure DBTreeView1AddNewItem(Sender: TObject;
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var DBTreeNode: TdxDBTreeNode);
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procedure FormCreate(Sender: TObject);
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end;
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var
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FMain: TFMain;
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implementation
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uses
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{$IFDEF DELPHI6}
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Variants,
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{$ENDIF}
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dbtreeqr;
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{$R *.DFM}
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procedure TFMain.ELevelsKeyPress(Sender: TObject; var Key: Char);
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begin
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if((Key < '0') Or (Key > '9')) And (Key <> Char(VK_BACK)) then begin
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Key := #0;
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MessageBeep(0);
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end;
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end;
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procedure TFMain.ELevelsExit(Sender: TObject);
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begin
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if(ELevels.Text = '') then
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ELevels.Text := '0';
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DBTreePrintDataSet.LevelCount := StrToInt(ELevels.Text);
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end;
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procedure TFMain.Button1Click(Sender: TObject);
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begin
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if (RadioGroup.ItemIndex = 0) then
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DBTreePrintDataSet.RootValue := ''
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else DBTreePrintDataSet.RootValue := Table.FindField('pr_id').AsString;
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DBTreePrintDataSet.Open;
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QRListForm.QuickReport.Preview;
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DBTreePrintDataSet.Close;
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end;
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procedure TFMain.DBTreeView1AddNewItem(Sender: TObject;
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var DBTreeNode: TdxDBTreeNode);
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begin
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if VarIsNull(DBTreeNode.ParentFieldValue) then exit;
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if (DBTreeNode.KeyFieldValue >= 150)
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and (DBTreeNode.KeyFieldValue < 200)then begin
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DBTreeNode.ImageIndex := 0;
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DBTreeNode.SelectedIndex := 0;
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exit;
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end;
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if (DBTreeNode.KeyFieldValue >= 200) then begin
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DBTreeNode.ImageIndex := 1;
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DBTreeNode.SelectedIndex := 1;
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exit;
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end;
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DBTreeNode.ImageIndex := 2;
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DBTreeNode.SelectedIndex := 2;
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end;
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procedure TFMain.FormCreate(Sender: TObject);
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begin
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Table.DataBaseName := ExtractFilePath(Application.ExeName);
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Table.Open;
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end;
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end.
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