examples/lookupcombobox/Unit2.pas

unit Unit2;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls, db,
  IBTreeView, IBQuery;

type

  { TSelectDeptDlg }

  TSelectDeptDlg = class(TForm)
    Button1: TButton;
    Button2: TButton;
    DataSource1: TDataSource;
    Depts: TIBQuery;
    DeptsTreeView: TIBTreeView;
    Label1: TLabel;
    procedure DeptsTreeViewDblClick(Sender: TObject);
    procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
    procedure FormShow(Sender: TObject);
  private
    { private declarations }
    FDeptKeyPath: string;
    FDept_no: string;
  public
    { public declarations }
    function ShowModal(DeptKeyPath: string; var Dept_no: string): TModalResult;
  end;

var
  SelectDeptDlg: TSelectDeptDlg;

implementation

{$R *.lfm}

{ TSelectDeptDlg }

procedure TSelectDeptDlg.FormShow(Sender: TObject);
begin
  Depts.Active := true;
  if FDeptKeyPath <> '' then
    DeptsTreeView.FindNode(StrIntListToVar(FDeptKeyPath),true); {Find and Select Current Dept}
end;

function TSelectDeptDlg.ShowModal(DeptKeyPath: string; var Dept_no: string
  ): TModalResult;
begin
  FDeptKeyPath := DeptKeyPath;
  Result := inherited ShowModal;
  Dept_no := FDept_no;
end;

procedure TSelectDeptDlg.FormClose(Sender: TObject; var CloseAction: TCloseAction);
begin
  FDept_no := '';
  if assigned(DeptsTreeView.Selected) then
    FDept_no := TIBTreeNode(DeptsTreeView.Selected).KeyValue;
  Depts.Active := false
end;

procedure TSelectDeptDlg.DeptsTreeViewDblClick(Sender: TObject);
begin
  ModalResult := mrOK;
end;

end.

Revision:	21
Committed:	Thu Feb 26 10:33:34 2015 UTC (9 years, 9 months ago) by tony
Content type:	text/x-pascal
File size:	1582 byte(s)
Log Message:	Committing updates for Release R1-2-0
#	User	Rev	Content
1	tony	21	unit Unit2;
2
3			{$mode objfpc}{$H+}
4
5			interface
6
7			uses
8			Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls, db,
9			IBTreeView, IBQuery;
10
11			type
12
13			{ TSelectDeptDlg }
14
15			TSelectDeptDlg = class(TForm)
16			Button1: TButton;
17			Button2: TButton;
18			DataSource1: TDataSource;
19			Depts: TIBQuery;
20			DeptsTreeView: TIBTreeView;
21			Label1: TLabel;
22			procedure DeptsTreeViewDblClick(Sender: TObject);
23			procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
24			procedure FormShow(Sender: TObject);
25			private
26			{ private declarations }
27			FDeptKeyPath: string;
28			FDept_no: string;
29			public
30			{ public declarations }
31			function ShowModal(DeptKeyPath: string; var Dept_no: string): TModalResult;
32			end;
33
34			var
35			SelectDeptDlg: TSelectDeptDlg;
36
37			implementation
38
39			{$R *.lfm}
40
41			{ TSelectDeptDlg }
42
43			procedure TSelectDeptDlg.FormShow(Sender: TObject);
44			begin
45			Depts.Active := true;
46			if FDeptKeyPath <> '' then
47			DeptsTreeView.FindNode(StrIntListToVar(FDeptKeyPath),true); {Find and Select Current Dept}
48			end;
49
50			function TSelectDeptDlg.ShowModal(DeptKeyPath: string; var Dept_no: string
51			): TModalResult;
52			begin
53			FDeptKeyPath := DeptKeyPath;
54			Result := inherited ShowModal;
55			Dept_no := FDept_no;
56			end;
57
58			procedure TSelectDeptDlg.FormClose(Sender: TObject; var CloseAction: TCloseAction);
59			begin
60			FDept_no := '';
61			if assigned(DeptsTreeView.Selected) then
62			FDept_no := TIBTreeNode(DeptsTreeView.Selected).KeyValue;
63			Depts.Active := false
64			end;
65
66			procedure TSelectDeptDlg.DeptsTreeViewDblClick(Sender: TObject);
67			begin
68			ModalResult := mrOK;
69			end;
70
71			end.
72