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root/public/ibx/trunk/design/IBDatabaseEdit.pas
Revision: 291
Committed: Fri Apr 17 10:26:08 2020 UTC (4 years, 6 months ago) by tony
Content type: text/x-pascal
File size: 11321 byte(s)
Log Message:
Changed for 2.3.4 merged into public release

File Contents

# User Rev Content
1 tony 33 {************************************************************************}
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 tony 45 { $G+} (* Imported data: On *)
36 tony 33 {$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 tony 45 { $U+} (* Pentim-safe FDIVs: On *)
44 tony 33 {$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 tony 45 SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
52 tony 231 StdCtrls, ExtCtrls, IBDatabase, IB, LResources;
53 tony 33
54     type
55    
56     { TIBDatabaseEditForm }
57    
58     TIBDatabaseEditForm = class(TForm)
59 tony 231 Browse: TButton;
60 tony 267 UseWireCompression: TCheckBox;
61 tony 231 DatabasePath: TEdit;
62     Label1: TLabel;
63 tony 267 Label10: TLabel;
64 tony 231 Label7: TLabel;
65     Label8: TLabel;
66     Label9: TLabel;
67 tony 267 ConfigOverrides: TMemo;
68 tony 231 PortNo: TEdit;
69     Protocol: TComboBox;
70     ConnectionTypeBtn: TRadioGroup;
71     ServerName: TEdit;
72 tony 39 UseSystemDefaultCS: TCheckBox;
73 tony 33 Panel1: TPanel;
74     GroupBox1: TGroupBox;
75     UserName: TEdit;
76     Password: TEdit;
77     SQLRole: TEdit;
78     Label2: TLabel;
79     Label3: TLabel;
80     Label4: TLabel;
81     DatabaseParams: TMemo;
82     OKBtn: TButton;
83     CancelBtn: TButton;
84     Label5: TLabel;
85     LoginPrompt: TCheckBox;
86     Label6: TLabel;
87     CharacterSet: TComboBox;
88     Test: TButton;
89     procedure BrowseClick(Sender: TObject);
90 tony 267 procedure ConfigOverridesEditingDone(Sender: TObject);
91 tony 231 procedure DatabaseParamsEditingDone(Sender: TObject);
92 tony 33 procedure OKBtnClick(Sender: TObject);
93     procedure FormCreate(Sender: TObject);
94     procedure HelpBtnClick(Sender: TObject);
95 tony 231 procedure PasswordEditingDone(Sender: TObject);
96     procedure ProtocolCloseUp(Sender: TObject);
97     procedure ConnectionTypeBtnSelectionChanged(Sender: TObject);
98     procedure SQLRoleEditingDone(Sender: TObject);
99 tony 33 procedure CharacterSetChange(Sender: TObject);
100     procedure TestClick(Sender: TObject);
101 tony 231 procedure UserNameEditingDone(Sender: TObject);
102 tony 39 procedure UseSystemDefaultCSChange(Sender: TObject);
103 tony 267 procedure UseWireCompressionEditingDone(Sender: TObject);
104 tony 33 private
105     { Private declarations }
106     Database: TIBDatabase;
107 tony 267 FChanging: boolean;
108 tony 33 function Edit: Boolean;
109 tony 231 procedure AddParam(aName, aValue: string);
110     procedure DeleteParam(aName: string);
111     procedure UpdateParamEditBoxes;
112 tony 33 public
113     { Public declarations }
114     end;
115    
116     var
117     IBDatabaseEditForm: TIBDatabaseEditForm;
118    
119     function EditIBDatabase(ADatabase: TIBDatabase): Boolean;
120    
121     implementation
122    
123     {$R *.lfm}
124    
125 tony 291 uses TypInfo, IBMessages, IBUtils;
126 tony 33
127     function EditIBDatabase(ADatabase: TIBDatabase): Boolean;
128     begin
129     with TIBDatabaseEditForm.Create(Application) do
130     try
131     Database := ADatabase;
132     Result := Edit;
133     finally
134     Free;
135     end;
136     end;
137    
138 tony 231 procedure TIBDatabaseEditForm.AddParam(aName, aValue: string);
139 tony 33 begin
140 tony 231 if Trim(aValue) = '' then
141     DeleteParam(aName)
142     else
143     DatabaseParams.Lines.Values[aName] := Trim(aValue);
144 tony 33 end;
145    
146 tony 231 procedure TIBDatabaseEditForm.DeleteParam(aName: string);
147 tony 33 var
148     i: Integer;
149     begin
150     for i := 0 to DatabaseParams.Lines.Count - 1 do
151     begin
152 tony 231 if (Pos(aName, LowerCase(DatabaseParams.Lines.Names[i])) = 1) then {mbcs ok}
153 tony 33 begin
154 tony 231 DatabaseParams.Lines.Delete(i);
155 tony 33 break;
156     end;
157     end;
158     end;
159    
160 tony 231 procedure TIBDatabaseEditForm.UpdateParamEditBoxes;
161     var st: string;
162 tony 33 begin
163 tony 231 UserName.Text := DatabaseParams.Lines.Values['user_name'];
164     Password.Text := DatabaseParams.Lines.Values['password'];
165     SQLRole.Text := DatabaseParams.Lines.Values['sql_role_name'];
166     st := DatabaseParams.Lines.Values['lc_ctype'];
167     if (st <> '') then
168     CharacterSet.ItemIndex := CharacterSet.Items.IndexOf(st)
169     else
170     CharacterSet.ItemIndex := -1;
171 tony 33 end;
172    
173     function TIBDatabaseEditForm.Edit: Boolean;
174     var
175 tony 231 aServerName: string;
176     aDatabaseName: string;
177     aProtocol: TProtocolAll;
178     aPortNo: string;
179 tony 33
180 tony 231 begin
181     if ParseConnectString(Database.DatabaseName, aServerName, aDatabaseName, aProtocol, aPortNo) then
182 tony 33 begin
183 tony 231 ServerName.Text := aServerName;
184     DatabasePath.Text := aDatabaseName;
185     Protocol.ItemIndex := ord(aProtocol);
186     PortNo.Text := aPortNo;
187 tony 33 end;
188 tony 231 ProtocolCloseUp(nil);
189     ConnectionTypeBtnSelectionChanged(nil);
190 tony 267 DatabaseParams.Lines.Assign(Database.Params);
191     ConfigOverrides.Lines.Assign(Database.ConfigOverrides);
192 tony 33 LoginPrompt.Checked := Database.LoginPrompt;
193 tony 231 UpdateParamEditBoxes;
194     UseSystemDefaultCS.Checked := Database.UseDefaultSystemCodePage;
195 tony 267 UseWireCompression.Checked := Database.WireCompression;
196 tony 33 Result := False;
197     if ShowModal = mrOk then
198     begin
199 tony 231 Database.DatabaseName := MakeConnectString(ServerName.Text, DatabasePath.Text,
200     TProtocolAll(Protocol.ItemIndex), PortNo.Text);
201 tony 267 Database.Params.Assign(DatabaseParams.Lines);
202     Database.ConfigOverrides.Assign(ConfigOverrides.Lines);
203 tony 33 Database.LoginPrompt := LoginPrompt.Checked;
204 tony 39 Database.UseDefaultSystemCodePage := UseSystemDefaultCS.Checked;
205 tony 33 Result := True;
206     end;
207     end;
208    
209     procedure TIBDatabaseEditForm.BrowseClick(Sender: TObject);
210     begin
211     with TOpenDialog.Create(Application) do
212     try
213 tony 231 InitialDir := ExtractFilePath(DatabasePath.Text);
214 tony 33 Filter := SDatabaseFilter;
215     if Execute then
216 tony 231 DatabasePath.Text := FileName;
217 tony 33 finally
218     Free
219     end;
220     end;
221    
222 tony 267 procedure TIBDatabaseEditForm.ConfigOverridesEditingDone(Sender: TObject);
223     begin
224     FChanging := true;
225     try
226     UseWireCompression.Checked := CompareText(ConfigOverrides.Lines.Values['WireCompression'],'true') = 0;
227     finally
228     FChanging := false;
229     end;
230     end;
231    
232 tony 231 procedure TIBDatabaseEditForm.DatabaseParamsEditingDone(Sender: TObject);
233 tony 33 begin
234 tony 231 UpdateParamEditBoxes;
235 tony 33 end;
236    
237     procedure TIBDatabaseEditForm.OKBtnClick(Sender: TObject);
238     begin
239     ModalResult := mrNone;
240     if Database.Connected then
241     begin
242     if MessageDlg(SDisconnectDatabase, mtConfirmation,
243     mbOkCancel, 0) <> mrOk then Exit;
244     Database.Close;
245     end;
246     ModalResult := mrOk;
247     end;
248    
249     procedure TIBDatabaseEditForm.FormCreate(Sender: TObject);
250     begin
251     // HelpContext := hcDIBDataBaseEdit;
252     end;
253    
254     procedure TIBDatabaseEditForm.HelpBtnClick(Sender: TObject);
255     begin
256     Application.HelpContext(HelpContext);
257     end;
258    
259 tony 231 procedure TIBDatabaseEditForm.PasswordEditingDone(Sender: TObject);
260 tony 33 begin
261 tony 231 AddParam('password', Password.Text);
262 tony 33 end;
263    
264 tony 231 procedure TIBDatabaseEditForm.ProtocolCloseUp(Sender: TObject);
265 tony 33 begin
266 tony 231 if Protocol.ItemIndex = 3 then
267     ConnectionTypeBtn.ItemIndex := 0
268     else
269     ConnectionTypeBtn.ItemIndex := 1;
270 tony 33 end;
271    
272 tony 231 procedure TIBDatabaseEditForm.ConnectionTypeBtnSelectionChanged(Sender: TObject);
273 tony 33 begin
274 tony 231 if ConnectionTypeBtn.ItemIndex > 0 then
275     begin
276     Browse.Enabled := False;
277     Label7.Enabled := True;
278     Label8.Enabled := True;
279     Protocol.Enabled := True;
280     ServerName.Enabled := True;
281     if Protocol.ItemIndex = 3 then
282     Protocol.ItemIndex := 4;
283     end
284     else
285     begin
286     Browse.Enabled := True;
287     Label7.Enabled := False;
288     Label8.Enabled := true;
289     ServerName.Text := '';
290     ServerName.Enabled := False;
291     Protocol.Enabled := true;
292     Protocol.ItemIndex := 3;
293     end;
294     end;
295    
296     procedure TIBDatabaseEditForm.SQLRoleEditingDone(Sender: TObject);
297     begin
298 tony 33 AddParam('sql_role_name', SQLRole.Text);
299     end;
300    
301     procedure TIBDatabaseEditForm.CharacterSetChange(Sender: TObject);
302     begin
303 tony 231 if (CharacterSet.ItemIndex <> -1 ) then {do not localize}
304 tony 33 AddParam('lc_ctype', CharacterSet.Text)
305     else
306     DeleteParam('lc_ctype');
307     end;
308    
309     procedure TIBDatabaseEditForm.TestClick(Sender: TObject);
310     var
311     tempDB : TIBDatabase;
312     begin
313     Test.Enabled := false;
314     tempDB := TIBDatabase.Create(nil);
315     try
316 tony 231 tempDB.DatabaseName := MakeConnectString(ServerName.Text, DatabasePath.Text,
317     TProtocolAll(Protocol.ItemIndex), PortNo.Text);
318 tony 33 tempDB.Params.Assign(DatabaseParams.Lines);
319     tempDB.LoginPrompt := LoginPrompt.Checked;
320     try
321     tempDB.Connected := true;
322     ShowMessage('Successful Connection');
323     except on E: Exception do
324     ShowMessage(E.Message)
325     end;
326     finally
327     tempDB.Free;
328     Test.Enabled := true;
329     end;
330     end;
331    
332 tony 231 procedure TIBDatabaseEditForm.UserNameEditingDone(Sender: TObject);
333     begin
334     AddParam('user_name', UserName.Text);
335     end;
336    
337 tony 39 procedure TIBDatabaseEditForm.UseSystemDefaultCSChange(Sender: TObject);
338     begin
339     CharacterSet.Enabled := not UseSystemDefaultCS.Checked;
340     if UseSystemDefaultCS.Checked then
341     DeleteParam('lc_ctype')
342     else
343     if (CharacterSet.Text <> 'None') then {do not localize}
344     AddParam('lc_ctype', CharacterSet.Text)
345     end;
346 tony 33
347 tony 267 procedure TIBDatabaseEditForm.UseWireCompressionEditingDone(Sender: TObject);
348     var Index: integer;
349     begin
350     if FChanging then Exit;
351     if UseWireCompression.Checked then
352     ConfigOverrides.Lines.Values['WireCompression'] := 'true'
353     else
354     begin
355     Index := ConfigOverrides.Lines.IndexOfName('WireCompression');
356     if Index <> -1 then
357     ConfigOverrides.Lines.Delete(Index);
358     end;
359     end;
360 tony 39
361 tony 267
362 tony 33 end.