examples/employee/unit2.pas

unit Unit2; 

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls,
  DbCtrls, EditBtn, IBCustomDataSet, IBQuery, db;

type

  { TEditEmployeeDlg }

  TEditEmployeeDlg = class(TForm)
    Button1: TButton;
    Button2: TButton;
    CountriesCOUNTRY: TIBStringField;
    CountriesCURRENCY: TIBStringField;
    Datasource1: TDatasource;
    Datasource2: TDatasource;
    Datasource4: TDatasource;
    DateEdit1: TDateEdit;
    DBEdit1: TDBEdit;
    DBEdit2: TDBEdit;
    DBEdit4: TDBEdit;
    DBEdit5: TDBEdit;
    DBLookupComboBox1: TDBLookupComboBox;
    DBLookupComboBox3: TDBLookupComboBox;
    IBDataSet1: TIBDataSet;
    IBDataSet1DEPT_NO: TIBStringField;
    IBDataSet1EMP_NO: TSmallintField;
    IBDataSet1FIRST_NAME: TIBStringField;
    IBDataSet1FULL_NAME: TIBStringField;
    IBDataSet1HIRE_DATE: TDateTimeField;
    IBDataSet1JOB_CODE: TIBStringField;
    IBDataSet1JOB_COUNTRY: TIBStringField;
    IBDataSet1JOB_GRADE: TSmallintField;
    IBDataSet1LAST_NAME: TIBStringField;
    IBDataSet1PHONE_EXT: TIBStringField;
    IBDataSet1SALARY: TIBBCDField;
    Depts: TIBQuery;
    Countries: TIBQuery;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Label5: TLabel;
    Label6: TLabel;
    Label8: TLabel;
    procedure DateEdit1Change(Sender: TObject);
    procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
    procedure FormShow(Sender: TObject);
    procedure IBDataSet1AfterClose(DataSet: TDataSet);
    procedure IBDataSet1AfterInsert(DataSet: TDataSet);
    procedure IBDataSet1AfterScroll(DataSet: TDataSet);
    procedure IBDataSet1BeforeOpen(DataSet: TDataSet);
    procedure IBDataSet1BeforePost(DataSet: TDataSet);
  private
    { private declarations }
    FEmp_no: integer;
  public
    { public declarations }
    function ShowModal(Emp_no: integer): TModalResult;
  end; 

var
  EditEmployeeDlg: TEditEmployeeDlg;

implementation

{$R *.lfm}

uses Unit1;

{ TEditEmployeeDlg }

procedure TEditEmployeeDlg.IBDataSet1AfterScroll(DataSet: TDataSet);
begin
  DateEdit1.Date := DataSet.FieldByName('HIRE_DATE').AsDateTime
end;

procedure TEditEmployeeDlg.IBDataSet1BeforeOpen(DataSet: TDataSet);
begin
  Depts.Active:= true;
  Countries.Active := true;
  IBDataSet1.ParamByName('EMP_NO').AsInteger := FEmp_no
end;

procedure TEditEmployeeDlg.DateEdit1Change(Sender: TObject);
begin
  IBDataSet1.Edit;
  IBDataSet1.FieldByName('HIRE_DATE').AsDateTime  :=  DateEdit1.Date
end;

procedure TEditEmployeeDlg.FormClose(Sender: TObject; var CloseAction: TCloseAction);
begin
  if IBDataSet1.State in [dsEdit,dsInsert] then
  begin
    if ModalResult = mrOK then
      IBDataSet1.Post
    else
      IBDataSet1.Cancel
  end;
  IBDataSet1.Active := false
end;

procedure TEditEmployeeDlg.FormShow(Sender: TObject);
begin
  IBDataSet1.Active := true
end;

procedure TEditEmployeeDlg.IBDataSet1AfterClose(DataSet: TDataSet);
begin
  Depts.Active := false;
  Countries.Active := false;
end;

procedure TEditEmployeeDlg.IBDataSet1AfterInsert(DataSet: TDataSet);
begin
  DataSet.FieldByName('HIRE_DATE').AsDateTime := Now;
  DataSet.FieldByName('JOB_CODE').AsString := 'Eng';
  DataSet.FieldByName('JOB_GRADE').AsInteger := 2;
  DataSet.FieldByName('Salary').AsFloat := 70000;
end;

procedure TEditEmployeeDlg.IBDataSet1BeforePost(DataSet: TDataSet);
begin
  DataSet.FieldByName('HIRE_DATE').AsDateTime  :=  DateEdit1.Date
end;

function TEditEmployeeDlg.ShowModal(Emp_no: integer): TModalResult;
begin
  FEmp_no := Emp_no;
  Result := inherited ShowModal
end;

end.

Revision:	7
Committed:	Sun Aug 5 18:28:19 2012 UTC (12 years, 3 months ago) by tony
Content type:	text/x-pascal
File size:	3585 byte(s)
Log Message:	Committing updates for Release R1-0-0
#	User	Rev	Content
1	tony	7	unit Unit2;
2
3			{$mode objfpc}{$H+}
4
5			interface
6
7			uses
8			Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, StdCtrls,
9			DbCtrls, EditBtn, IBCustomDataSet, IBQuery, db;
10
11			type
12
13			{ TEditEmployeeDlg }
14
15			TEditEmployeeDlg = class(TForm)
16			Button1: TButton;
17			Button2: TButton;
18			CountriesCOUNTRY: TIBStringField;
19			CountriesCURRENCY: TIBStringField;
20			Datasource1: TDatasource;
21			Datasource2: TDatasource;
22			Datasource4: TDatasource;
23			DateEdit1: TDateEdit;
24			DBEdit1: TDBEdit;
25			DBEdit2: TDBEdit;
26			DBEdit4: TDBEdit;
27			DBEdit5: TDBEdit;
28			DBLookupComboBox1: TDBLookupComboBox;
29			DBLookupComboBox3: TDBLookupComboBox;
30			IBDataSet1: TIBDataSet;
31			IBDataSet1DEPT_NO: TIBStringField;
32			IBDataSet1EMP_NO: TSmallintField;
33			IBDataSet1FIRST_NAME: TIBStringField;
34			IBDataSet1FULL_NAME: TIBStringField;
35			IBDataSet1HIRE_DATE: TDateTimeField;
36			IBDataSet1JOB_CODE: TIBStringField;
37			IBDataSet1JOB_COUNTRY: TIBStringField;
38			IBDataSet1JOB_GRADE: TSmallintField;
39			IBDataSet1LAST_NAME: TIBStringField;
40			IBDataSet1PHONE_EXT: TIBStringField;
41			IBDataSet1SALARY: TIBBCDField;
42			Depts: TIBQuery;
43			Countries: TIBQuery;
44			Label1: TLabel;
45			Label2: TLabel;
46			Label3: TLabel;
47			Label4: TLabel;
48			Label5: TLabel;
49			Label6: TLabel;
50			Label8: TLabel;
51			procedure DateEdit1Change(Sender: TObject);
52			procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
53			procedure FormShow(Sender: TObject);
54			procedure IBDataSet1AfterClose(DataSet: TDataSet);
55			procedure IBDataSet1AfterInsert(DataSet: TDataSet);
56			procedure IBDataSet1AfterScroll(DataSet: TDataSet);
57			procedure IBDataSet1BeforeOpen(DataSet: TDataSet);
58			procedure IBDataSet1BeforePost(DataSet: TDataSet);
59			private
60			{ private declarations }
61			FEmp_no: integer;
62			public
63			{ public declarations }
64			function ShowModal(Emp_no: integer): TModalResult;
65			end;
66
67			var
68			EditEmployeeDlg: TEditEmployeeDlg;
69
70			implementation
71
72			{$R *.lfm}
73
74			uses Unit1;
75
76			{ TEditEmployeeDlg }
77
78			procedure TEditEmployeeDlg.IBDataSet1AfterScroll(DataSet: TDataSet);
79			begin
80			DateEdit1.Date := DataSet.FieldByName('HIRE_DATE').AsDateTime
81			end;
82
83			procedure TEditEmployeeDlg.IBDataSet1BeforeOpen(DataSet: TDataSet);
84			begin
85			Depts.Active:= true;
86			Countries.Active := true;
87			IBDataSet1.ParamByName('EMP_NO').AsInteger := FEmp_no
88			end;
89
90			procedure TEditEmployeeDlg.DateEdit1Change(Sender: TObject);
91			begin
92			IBDataSet1.Edit;
93			IBDataSet1.FieldByName('HIRE_DATE').AsDateTime := DateEdit1.Date
94			end;
95
96			procedure TEditEmployeeDlg.FormClose(Sender: TObject; var CloseAction: TCloseAction);
97			begin
98			if IBDataSet1.State in [dsEdit,dsInsert] then
99			begin
100			if ModalResult = mrOK then
101			IBDataSet1.Post
102			else
103			IBDataSet1.Cancel
104			end;
105			IBDataSet1.Active := false
106			end;
107
108			procedure TEditEmployeeDlg.FormShow(Sender: TObject);
109			begin
110			IBDataSet1.Active := true
111			end;
112
113			procedure TEditEmployeeDlg.IBDataSet1AfterClose(DataSet: TDataSet);
114			begin
115			Depts.Active := false;
116			Countries.Active := false;
117			end;
118
119			procedure TEditEmployeeDlg.IBDataSet1AfterInsert(DataSet: TDataSet);
120			begin
121			DataSet.FieldByName('HIRE_DATE').AsDateTime := Now;
122			DataSet.FieldByName('JOB_CODE').AsString := 'Eng';
123			DataSet.FieldByName('JOB_GRADE').AsInteger := 2;
124			DataSet.FieldByName('Salary').AsFloat := 70000;
125			end;
126
127			procedure TEditEmployeeDlg.IBDataSet1BeforePost(DataSet: TDataSet);
128			begin
129			DataSet.FieldByName('HIRE_DATE').AsDateTime := DateEdit1.Date
130			end;
131
132			function TEditEmployeeDlg.ShowModal(Emp_no: integer): TModalResult;
133			begin
134			FEmp_no := Emp_no;
135			Result := inherited ShowModal
136			end;
137
138			end.
139