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root/public/ibx/trunk/design/IBDatabaseEdit.pas
Revision: 1
Committed: Mon Jul 31 16:43:00 2000 UTC (24 years, 4 months ago) by tony
Content type: text/x-pascal
File size: 10453 byte(s)
Log Message:
Borland IBX Open Source Release

File Contents

# User Rev Content
1 tony 1 {************************************************************************}
2     { }
3     { Borland Delphi Visual Component Library }
4     { InterBase Express core components }
5     { }
6     { Copyright (c) 1998-2000 Inprise Corporation }
7     { }
8     { InterBase Express is based in part on the product }
9     { Free IB Components, written by Gregory H. Deatz for }
10     { Hoagland, Longo, Moran, Dunst & Doukas Company. }
11     { Free IB Components is used under license. }
12     { }
13     { The contents of this file are subject to the InterBase }
14     { Public License Version 1.0 (the "License"); you may not }
15     { use this file except in compliance with the License. You }
16     { may obtain a copy of the License at http://www.Inprise.com/IPL.html }
17     { Software distributed under the License is distributed on }
18     { an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either }
19     { express or implied. See the License for the specific language }
20     { governing rights and limitations under the License. }
21     { The Original Code was created by InterBase Software Corporation }
22     { and its successors. }
23     { Portions created by Inprise Corporation are Copyright (C) Inprise }
24     { Corporation. All Rights Reserved. }
25     { Contributor(s): Jeff Overcash }
26     { }
27     {************************************************************************}
28    
29     unit IBDatabaseEdit;
30    
31     interface
32    
33     uses
34     Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
35     StdCtrls, ExtCtrls, IBDatabase, IB, IBXConst;
36    
37     type
38     TIBDatabaseEditForm = class(TForm)
39     Panel1: TPanel;
40     DatabaseName: TEdit;
41     Label1: TLabel;
42     LocalRbtn: TRadioButton;
43     RemoteRbtn: TRadioButton;
44     Browse: TButton;
45     GroupBox1: TGroupBox;
46     UserName: TEdit;
47     Password: TEdit;
48     SQLRole: TEdit;
49     Label2: TLabel;
50     Label3: TLabel;
51     Label4: TLabel;
52     DatabaseParams: TMemo;
53     OKBtn: TButton;
54     CancelBtn: TButton;
55     HelpBtn: TButton;
56     Label5: TLabel;
57     LoginPrompt: TCheckBox;
58     Label6: TLabel;
59     CharacterSet: TComboBox;
60     ServerName: TEdit;
61     Protocol: TComboBox;
62     Label7: TLabel;
63     Label8: TLabel;
64     Test: TButton;
65     procedure RemoteRbtnClick(Sender: TObject);
66     procedure BrowseClick(Sender: TObject);
67     procedure LocalRbtnClick(Sender: TObject);
68     procedure OKBtnClick(Sender: TObject);
69     procedure FormCreate(Sender: TObject);
70     procedure HelpBtnClick(Sender: TObject);
71     procedure UserNameChange(Sender: TObject);
72     procedure PasswordChange(Sender: TObject);
73     procedure SQLRoleChange(Sender: TObject);
74     procedure CharacterSetChange(Sender: TObject);
75     procedure TestClick(Sender: TObject);
76     private
77     { Private declarations }
78     Database: TIBDatabase;
79     function Edit: Boolean;
80     function GetParam(Name: string): string;
81     procedure AddParam(Name, Value: string);
82     procedure DeleteParam(Name: string);
83     public
84     { Public declarations }
85     end;
86    
87     var
88     IBDatabaseEditForm: TIBDatabaseEditForm;
89    
90     function EditIBDatabase(ADatabase: TIBDatabase): Boolean;
91    
92     implementation
93    
94     {$R *.DFM}
95    
96     uses LibHelp, TypInfo;
97    
98     function EditIBDatabase(ADatabase: TIBDatabase): Boolean;
99     begin
100     with TIBDatabaseEditForm.Create(Application) do
101     try
102     Database := ADatabase;
103     Result := Edit;
104     finally
105     Free;
106     end;
107     end;
108    
109     function TIBDatabaseEditForm.GetParam(Name: string): string;
110     var
111     i: Integer;
112     begin
113     Result := '';
114     for i := 0 to DatabaseParams.Lines.Count - 1 do
115     begin
116     if (Pos(Name, LowerCase(DatabaseParams.Lines.Names[i])) = 1) then {mbcs ok}
117     begin
118     Result := DatabaseParams.Lines.Values[DatabaseParams.Lines.Names[i]];
119     break;
120     end;
121     end;
122     end;
123    
124     procedure TIBDatabaseEditForm.AddParam(Name, Value: string);
125     var
126     i: Integer;
127     found: boolean;
128     begin
129     found := False;
130     if Trim(Value) <> '' then
131     begin
132     for i := 0 to DatabaseParams.Lines.Count - 1 do
133     begin
134     if (Pos(Name, LowerCase(DatabaseParams.Lines.Names[i])) = 1) then {mbcs ok}
135     begin
136     DatabaseParams.Lines.Values[DatabaseParams.Lines.Names[i]] := Value;
137     found := True;
138     break;
139     end;
140     end;
141     if not found then
142     DatabaseParams.Lines.Add(Name + '=' + Value);
143     end
144     else
145     DeleteParam(Name);
146     end;
147    
148     procedure TIBDatabaseEditForm.DeleteParam(Name: string);
149     var
150     i: Integer;
151     begin
152     for i := 0 to DatabaseParams.Lines.Count - 1 do
153     begin
154     if (Pos(Name, LowerCase(DatabaseParams.Lines.Names[i])) = 1) then {mbcs ok}
155     begin
156     DatabaseParams.Lines.Delete(i);
157     break;
158     end;
159     end;
160     end;
161    
162     function TIBDatabaseEditForm.Edit: Boolean;
163     var
164     st: string;
165    
166     procedure DecomposeDatabaseName;
167     var
168     Idx1, Idx2: Integer;
169     st: string;
170     begin
171     if Pos('\\', Database.DatabaseName) <> 0 then {do not localize}
172     begin
173     LocalRBtn.Checked := False;
174     RemoteRbtn.Checked := True;
175     Protocol.ItemIndex := 1;
176     st := copy(Database.DatabaseName, 3, Length(Database.DatabaseName));
177     Idx1 := Pos('\', st); {do not localize}
178     if Idx1 = 0 then
179     IBError(ibxeUnknownError, [nil])
180     else begin
181     ServerName.Text := Copy(st, 1, Idx1 - 1);
182     DatabaseName.Text:= Copy(st, Idx1 + 1, Length(st));
183     end;
184     end
185     else begin
186     Idx1 := Pos(':', Database.DatabaseName ); {do not localize}
187     If (Idx1 = 0) or (Idx1 = 2) then
188     begin
189     DatabaseName.Text := Database.DatabaseName;
190     end
191     else
192     begin
193     LocalRBtn.Checked := False;
194     RemoteRbtn.Checked := True;
195     Idx2 := Pos('@', Database.DatabaseName); {do not localize}
196     if Idx2 = 0 then
197     begin
198     Protocol.ItemIndex := 0;
199     ServerName.Text := copy(Database.DatabaseName, 1, Idx1 - 1);
200     DatabaseName.Text := copy(Database.DatabaseName, Idx1 + 1,
201     Length(Database.DatabaseName));
202     end
203     else begin
204     Protocol.ItemIndex := 2;
205     ServerName.Text := copy(Database.DatabaseName, 1, Idx2 - 1);
206     DatabaseName.Text := copy(Database.DatabaseName, Idx2 + 1,
207     Length(Database.DatabaseName));
208     end;
209     end;
210     end;
211     end;
212     begin
213     DecomposeDatabaseName;
214     DatabaseParams.Lines := Database.Params;
215     LoginPrompt.Checked := Database.LoginPrompt;
216     UserName.Text := GetParam('user_name');
217     Password.Text := GetParam('password');
218     SQLRole.Text := GetParam('sql_role');
219     st := GetParam('lc_ctype');
220     if (st <> '') then
221     CharacterSet.ItemIndex := CharacterSet.Items.IndexOf(st);
222     Result := False;
223     if ShowModal = mrOk then
224     begin
225     Database.DatabaseName := DatabaseName.Text;
226     if LocalRbtn.Checked then
227     DatabaseName.Text := Database.DatabaseName
228     else
229     case Protocol.ItemIndex of
230     0: Database.DatabaseName := Format('%s:%s', [ServerName.Text, DatabaseName.Text]); {do not localize}
231     1: Database.DatabaseName := Format('\\%s\%s', [ServerName.Text, DatabaseName.Text]); {do not localize}
232     2: Database.DatabaseName := Format('%s@%s', [ServerName.Text, DatabaseName.Text]); {do not localize}
233     end;
234     Database.Params := DatabaseParams.Lines;
235     Database.LoginPrompt := LoginPrompt.Checked;
236     Result := True;
237     end;
238     end;
239    
240     procedure TIBDatabaseEditForm.RemoteRbtnClick(Sender: TObject);
241     begin
242     Browse.Enabled := False;
243     Label7.Enabled := True;
244     Label8.Enabled := True;
245     Protocol.Enabled := True;
246     ServerName.Enabled := True;
247     end;
248    
249     procedure TIBDatabaseEditForm.BrowseClick(Sender: TObject);
250     begin
251     with TOpenDialog.Create(Application) do
252     try
253     InitialDir := ExtractFilePath(DatabaseName.Text);
254     Filter := SDatabaseFilter;
255     if Execute then
256     DatabaseName.Text := FileName;
257     finally
258     Free
259     end;
260     end;
261    
262     procedure TIBDatabaseEditForm.LocalRbtnClick(Sender: TObject);
263     begin
264     Browse.Enabled := True;
265     Label7.Enabled := False;
266     Label8.Enabled := False;
267     ServerName.Enabled := False;
268     Protocol.Enabled := False;
269     end;
270    
271     procedure TIBDatabaseEditForm.OKBtnClick(Sender: TObject);
272     begin
273     ModalResult := mrNone;
274     if Database.Connected then
275     begin
276     if MessageDlg(SDisconnectDatabase, mtConfirmation,
277     mbOkCancel, 0) <> mrOk then Exit;
278     Database.Close;
279     end;
280     ModalResult := mrOk;
281     end;
282    
283     procedure TIBDatabaseEditForm.FormCreate(Sender: TObject);
284     begin
285     HelpContext := hcDIBDataBaseEdit;
286     end;
287    
288     procedure TIBDatabaseEditForm.HelpBtnClick(Sender: TObject);
289     begin
290     Application.HelpContext(HelpContext);
291     end;
292    
293     procedure TIBDatabaseEditForm.UserNameChange(Sender: TObject);
294     begin
295     AddParam('user_name', UserName.Text);
296     end;
297    
298     procedure TIBDatabaseEditForm.PasswordChange(Sender: TObject);
299     begin
300     AddParam('password', Password.Text);
301     end;
302    
303     procedure TIBDatabaseEditForm.SQLRoleChange(Sender: TObject);
304     begin
305     AddParam('sql_role_name', SQLRole.Text);
306     end;
307    
308     procedure TIBDatabaseEditForm.CharacterSetChange(Sender: TObject);
309     begin
310     if (CharacterSet.Text <> 'None') then {do not localize}
311     AddParam('lc_ctype', CharacterSet.Text)
312     else
313     DeleteParam('lc_ctype');
314     end;
315    
316     procedure TIBDatabaseEditForm.TestClick(Sender: TObject);
317     var
318     tempDB : TIBDatabase;
319     begin
320     Test.Enabled := false;
321     tempDB := TIBDatabase.Create(nil);
322     try
323     if LocalRbtn.Checked then
324     tempDB.DatabaseName := DatabaseName.Text
325     else
326     case Protocol.ItemIndex of
327     0: tempDB.DatabaseName := Format('%s:%s', [ServerName.Text, DatabaseName.Text]); {do not localize}
328     1: tempDB.DatabaseName := Format('\\%s\%s', [ServerName.Text, DatabaseName.Text]); {do not localize}
329     2: tempDB.DatabaseName := Format('%s@%s', [ServerName.Text, DatabaseName.Text]); {do not localize}
330     end;
331     tempDB.Params.Assign(DatabaseParams.Lines);
332     tempDB.LoginPrompt := LoginPrompt.Checked;
333     tempDB.Connected := true;
334     ShowMessage('Successful Connection');
335     finally
336     tempDB.Free;
337     Test.Enabled := true;
338     end;
339     end;
340    
341     end.