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root/public/ibx/trunk/design/IBDatabaseEdit.pas
Revision: 231
Committed: Mon Apr 16 08:32:21 2018 UTC (6 years, 7 months ago) by tony
Content type: text/x-pascal
File size: 10334 byte(s)
Log Message:
Fixes merged

File Contents

# Content
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 {$MODE Delphi}
32
33 {$A+} (* Aligned records: On *)
34 {$B-} (* Short circuit boolean expressions: Off *)
35 { $G+} (* Imported data: On *)
36 {$H+} (* Huge Strings: On *)
37 {$J-} (* Modification of Typed Constants: Off *)
38 {$M+} (* Generate run-time type information: On *)
39 {$O+} (* Optimization: On *)
40 {$Q-} (* Overflow checks: Off *)
41 {$R-} (* Range checks: Off *)
42 {$T+} (* Typed address: On *)
43 { $U+} (* Pentim-safe FDIVs: On *)
44 {$W-} (* Always generate stack frames: Off *)
45 {$X+} (* Extended syntax: On *)
46 {$Z1} (* Minimum Enumeration Size: 1 Byte *)
47
48 interface
49
50 uses
51 SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
52 StdCtrls, ExtCtrls, IBDatabase, IB, LResources;
53
54 type
55
56 { TIBDatabaseEditForm }
57
58 TIBDatabaseEditForm = class(TForm)
59 Browse: TButton;
60 DatabasePath: TEdit;
61 Label1: TLabel;
62 Label7: TLabel;
63 Label8: TLabel;
64 Label9: TLabel;
65 PortNo: TEdit;
66 Protocol: TComboBox;
67 ConnectionTypeBtn: TRadioGroup;
68 ServerName: TEdit;
69 UseSystemDefaultCS: TCheckBox;
70 Panel1: TPanel;
71 GroupBox1: TGroupBox;
72 UserName: TEdit;
73 Password: TEdit;
74 SQLRole: TEdit;
75 Label2: TLabel;
76 Label3: TLabel;
77 Label4: TLabel;
78 DatabaseParams: TMemo;
79 OKBtn: TButton;
80 CancelBtn: TButton;
81 Label5: TLabel;
82 LoginPrompt: TCheckBox;
83 Label6: TLabel;
84 CharacterSet: TComboBox;
85 Test: TButton;
86 procedure BrowseClick(Sender: TObject);
87 procedure DatabaseParamsEditingDone(Sender: TObject);
88 procedure OKBtnClick(Sender: TObject);
89 procedure FormCreate(Sender: TObject);
90 procedure HelpBtnClick(Sender: TObject);
91 procedure PasswordEditingDone(Sender: TObject);
92 procedure ProtocolCloseUp(Sender: TObject);
93 procedure ConnectionTypeBtnSelectionChanged(Sender: TObject);
94 procedure SQLRoleEditingDone(Sender: TObject);
95 procedure CharacterSetChange(Sender: TObject);
96 procedure TestClick(Sender: TObject);
97 procedure UserNameEditingDone(Sender: TObject);
98 procedure UseSystemDefaultCSChange(Sender: TObject);
99 private
100 { Private declarations }
101 Database: TIBDatabase;
102 function Edit: Boolean;
103 procedure AddParam(aName, aValue: string);
104 procedure DeleteParam(aName: string);
105 procedure UpdateParamEditBoxes;
106 public
107 { Public declarations }
108 end;
109
110 var
111 IBDatabaseEditForm: TIBDatabaseEditForm;
112
113 function EditIBDatabase(ADatabase: TIBDatabase): Boolean;
114
115 implementation
116
117 {$R *.lfm}
118
119 uses TypInfo, FBMessages, IBUtils;
120
121 function EditIBDatabase(ADatabase: TIBDatabase): Boolean;
122 begin
123 with TIBDatabaseEditForm.Create(Application) do
124 try
125 Database := ADatabase;
126 Result := Edit;
127 finally
128 Free;
129 end;
130 end;
131
132 procedure TIBDatabaseEditForm.AddParam(aName, aValue: string);
133 begin
134 if Trim(aValue) = '' then
135 DeleteParam(aName)
136 else
137 DatabaseParams.Lines.Values[aName] := Trim(aValue);
138 end;
139
140 procedure TIBDatabaseEditForm.DeleteParam(aName: string);
141 var
142 i: Integer;
143 begin
144 for i := 0 to DatabaseParams.Lines.Count - 1 do
145 begin
146 if (Pos(aName, LowerCase(DatabaseParams.Lines.Names[i])) = 1) then {mbcs ok}
147 begin
148 DatabaseParams.Lines.Delete(i);
149 break;
150 end;
151 end;
152 end;
153
154 procedure TIBDatabaseEditForm.UpdateParamEditBoxes;
155 var st: string;
156 begin
157 UserName.Text := DatabaseParams.Lines.Values['user_name'];
158 Password.Text := DatabaseParams.Lines.Values['password'];
159 SQLRole.Text := DatabaseParams.Lines.Values['sql_role_name'];
160 st := DatabaseParams.Lines.Values['lc_ctype'];
161 if (st <> '') then
162 CharacterSet.ItemIndex := CharacterSet.Items.IndexOf(st)
163 else
164 CharacterSet.ItemIndex := -1;
165 end;
166
167 function TIBDatabaseEditForm.Edit: Boolean;
168 var
169 aServerName: string;
170 aDatabaseName: string;
171 aProtocol: TProtocolAll;
172 aPortNo: string;
173
174 begin
175 if ParseConnectString(Database.DatabaseName, aServerName, aDatabaseName, aProtocol, aPortNo) then
176 begin
177 ServerName.Text := aServerName;
178 DatabasePath.Text := aDatabaseName;
179 Protocol.ItemIndex := ord(aProtocol);
180 PortNo.Text := aPortNo;
181 end;
182 ProtocolCloseUp(nil);
183 ConnectionTypeBtnSelectionChanged(nil);
184 if Trim(Database.Params.Text) = '' then
185 DatabaseParams.Clear
186 else
187 DatabaseParams.Lines.Assign(Database.Params);
188 LoginPrompt.Checked := Database.LoginPrompt;
189 UpdateParamEditBoxes;
190 UseSystemDefaultCS.Checked := Database.UseDefaultSystemCodePage;
191 Result := False;
192 if ShowModal = mrOk then
193 begin
194 Database.DatabaseName := MakeConnectString(ServerName.Text, DatabasePath.Text,
195 TProtocolAll(Protocol.ItemIndex), PortNo.Text);
196 Database.Params := DatabaseParams.Lines;
197 Database.LoginPrompt := LoginPrompt.Checked;
198 Database.UseDefaultSystemCodePage := UseSystemDefaultCS.Checked;
199 Result := True;
200 end;
201 end;
202
203 procedure TIBDatabaseEditForm.BrowseClick(Sender: TObject);
204 begin
205 with TOpenDialog.Create(Application) do
206 try
207 InitialDir := ExtractFilePath(DatabasePath.Text);
208 Filter := SDatabaseFilter;
209 if Execute then
210 DatabasePath.Text := FileName;
211 finally
212 Free
213 end;
214 end;
215
216 procedure TIBDatabaseEditForm.DatabaseParamsEditingDone(Sender: TObject);
217 begin
218 UpdateParamEditBoxes;
219 end;
220
221 procedure TIBDatabaseEditForm.OKBtnClick(Sender: TObject);
222 begin
223 ModalResult := mrNone;
224 if Database.Connected then
225 begin
226 if MessageDlg(SDisconnectDatabase, mtConfirmation,
227 mbOkCancel, 0) <> mrOk then Exit;
228 Database.Close;
229 end;
230 ModalResult := mrOk;
231 end;
232
233 procedure TIBDatabaseEditForm.FormCreate(Sender: TObject);
234 begin
235 // HelpContext := hcDIBDataBaseEdit;
236 end;
237
238 procedure TIBDatabaseEditForm.HelpBtnClick(Sender: TObject);
239 begin
240 Application.HelpContext(HelpContext);
241 end;
242
243 procedure TIBDatabaseEditForm.PasswordEditingDone(Sender: TObject);
244 begin
245 AddParam('password', Password.Text);
246 end;
247
248 procedure TIBDatabaseEditForm.ProtocolCloseUp(Sender: TObject);
249 begin
250 if Protocol.ItemIndex = 3 then
251 ConnectionTypeBtn.ItemIndex := 0
252 else
253 ConnectionTypeBtn.ItemIndex := 1;
254 end;
255
256 procedure TIBDatabaseEditForm.ConnectionTypeBtnSelectionChanged(Sender: TObject);
257 begin
258 if ConnectionTypeBtn.ItemIndex > 0 then
259 begin
260 Browse.Enabled := False;
261 Label7.Enabled := True;
262 Label8.Enabled := True;
263 Protocol.Enabled := True;
264 ServerName.Enabled := True;
265 if Protocol.ItemIndex = 3 then
266 Protocol.ItemIndex := 4;
267 end
268 else
269 begin
270 Browse.Enabled := True;
271 Label7.Enabled := False;
272 Label8.Enabled := true;
273 ServerName.Text := '';
274 ServerName.Enabled := False;
275 Protocol.Enabled := true;
276 Protocol.ItemIndex := 3;
277 end;
278 end;
279
280 procedure TIBDatabaseEditForm.SQLRoleEditingDone(Sender: TObject);
281 begin
282 AddParam('sql_role_name', SQLRole.Text);
283 end;
284
285 procedure TIBDatabaseEditForm.CharacterSetChange(Sender: TObject);
286 begin
287 if (CharacterSet.ItemIndex <> -1 ) then {do not localize}
288 AddParam('lc_ctype', CharacterSet.Text)
289 else
290 DeleteParam('lc_ctype');
291 end;
292
293 procedure TIBDatabaseEditForm.TestClick(Sender: TObject);
294 var
295 tempDB : TIBDatabase;
296 begin
297 Test.Enabled := false;
298 tempDB := TIBDatabase.Create(nil);
299 try
300 tempDB.DatabaseName := MakeConnectString(ServerName.Text, DatabasePath.Text,
301 TProtocolAll(Protocol.ItemIndex), PortNo.Text);
302 tempDB.Params.Assign(DatabaseParams.Lines);
303 tempDB.LoginPrompt := LoginPrompt.Checked;
304 try
305 tempDB.Connected := true;
306 ShowMessage('Successful Connection');
307 except on E: Exception do
308 ShowMessage(E.Message)
309 end;
310 finally
311 tempDB.Free;
312 Test.Enabled := true;
313 end;
314 end;
315
316 procedure TIBDatabaseEditForm.UserNameEditingDone(Sender: TObject);
317 begin
318 AddParam('user_name', UserName.Text);
319 end;
320
321 procedure TIBDatabaseEditForm.UseSystemDefaultCSChange(Sender: TObject);
322 begin
323 CharacterSet.Enabled := not UseSystemDefaultCS.Checked;
324 if UseSystemDefaultCS.Checked then
325 DeleteParam('lc_ctype')
326 else
327 if (CharacterSet.Text <> 'None') then {do not localize}
328 AddParam('lc_ctype', CharacterSet.Text)
329 end;
330
331
332 end.