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root/public/ibx/branches/journaling/design/ibdataseteditor.pas
Revision: 362
Committed: Tue Dec 7 13:27:39 2021 UTC (3 years ago) by tony
Content type: text/x-pascal
File size: 8506 byte(s)
Log Message:
initiate test release

File Contents

# Content
1 (*
2 * IBX For Lazarus (Firebird Express)
3 *
4 * The contents of this file are subject to the Initial Developer's
5 * Public License Version 1.0 (the "License"); you may not use this
6 * file except in compliance with the License. You may obtain a copy
7 * of the License here:
8 *
9 * http://www.firebirdsql.org/index.php?op=doc&id=idpl
10 *
11 * Software distributed under the License is distributed on an "AS
12 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
13 * implied. See the License for the specific language governing rights
14 * and limitations under the License.
15 *
16 * The Initial Developer of the Original Code is Tony Whyman.
17 *
18 * The Original Code is (C) 2011 Tony Whyman, MWA Software
19 * (http://www.mwasoftware.co.uk).
20 *
21 * All Rights Reserved.
22 *
23 * Contributor(s): ______________________________________.
24 *
25 *)
26
27 unit IBDataSetEditor;
28
29 {$mode objfpc}{$H+}
30
31 interface
32
33 uses
34 Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, ComCtrls,
35 StdCtrls, ExtCtrls, IBSQLEditFrame, IBCustomDataSet,
36 IBDatabase, IBLookupComboEditBox, IBDynamicGrid;
37
38 type
39
40 { TIBDataSetEditorForm }
41
42 TIBDataSetEditorForm = class(TForm)
43 FieldNamesGrid: TIBDynamicGrid;
44 GenerateParams: TCheckBox;
45 IBSQLEditFrame1: TIBSQLEditFrame;
46 IncludeSysTables: TCheckBox;
47 Label5: TLabel;
48 Label6: TLabel;
49 PrimaryKeysGrid: TIBDynamicGrid;
50 IdentityGrid: TIBDynamicGrid;
51 ReadOnlyGrid: TIBDynamicGrid;
52 SelectSelectAll: TCheckBox;
53 SelectTableNames: TIBLookupComboEditBox;
54 TestBtn: TButton;
55 CancelButton: TButton;
56 FieldsPage: TTabSheet;
57 GenerateButton: TButton;
58 GroupBox1: TGroupBox;
59 IncludePrimaryKeys: TCheckBox;
60 Label1: TLabel;
61 Label2: TLabel;
62 Label3: TLabel;
63 Label4: TLabel;
64 OkButton: TButton;
65 PageControl: TPageControl;
66 QuoteFields: TCheckBox;
67 SQLPage: TTabSheet;
68 StatementType: TRadioGroup;
69 procedure IncludeSysTablesChange(Sender: TObject);
70 procedure SelectSelectAllClick(Sender: TObject);
71 procedure TestBtnClick(Sender: TObject);
72 procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
73 procedure FormShow(Sender: TObject);
74 procedure GenerateButtonClick(Sender: TObject);
75 procedure SQLMemoChange(Sender: TObject);
76 procedure SQLPageShow(Sender: TObject);
77 procedure StatementTypeClick(Sender: TObject);
78 private
79 { private declarations }
80 FDataSet: TIBDataSet;
81 FDirty: boolean;
82 FCurrentStatement: integer;
83 FSelectSQL: TStringList;
84 FModifySQL: TStringList;
85 FInsertSQL: TStringList;
86 FDeleteSQL: TStringList;
87 FRefreshSQL: TStringList;
88 procedure UpdateSQLMemo;
89 procedure HandleUserTablesOpened(Sender: TObject);
90 protected
91 procedure Loaded; override;
92 public
93 { public declarations }
94 constructor Create(TheOwner: TComponent); override;
95 destructor Destroy; override;
96 end;
97
98 var
99 IBDataSetEditorForm: TIBDataSetEditorForm;
100
101 function EditIBDataSet(DataSet: TIBDataSet): boolean;
102
103 implementation
104
105 {$R *.lfm}
106
107 function EditIBDataSet(DataSet: TIBDataSet): boolean;
108 begin
109 Result := false;
110 if assigned(DataSet) and assigned(DataSet.Database) then
111 try
112 DataSet.Database.Connected := true;
113 except on E: Exception do
114 ShowMessage(E.Message)
115 end;
116
117 with TIBDataSetEditorForm.Create(Application) do
118 try
119 if assigned(DataSet) then
120 begin
121 IBSQLEditFrame1.Database := DataSet.Database;
122 GenerateParams.Checked := DataSet.GenerateParamNames;
123 end;
124 FDataSet := DataSet;
125 with IBSQLEditFrame1 do
126 begin
127 IncludeReadOnlyFields := false;
128 end;
129 Result := ShowModal = mrOK;
130 if Result and assigned(DataSet) then
131 DataSet.GenerateParamNames := GenerateParams.Checked
132 finally
133 Free
134 end;
135
136 end;
137
138 { TIBDataSetEditorForm }
139
140 procedure TIBDataSetEditorForm.FormShow(Sender: TObject);
141 begin
142 PageControl.ActivePage := FieldsPage;
143 FModifySQL.Assign(FDataSet.ModifySQL);
144 FInsertSQL.Assign(FDataSet.InsertSQL);
145 FDeleteSQL.Assign(FDataSet.DeleteSQL);
146 FRefreshSQL.Assign(FDataSet.RefreshSQL);
147 FSelectSQL.Assign(FDataSet.SelectSQL);
148 GenerateButton.Enabled := (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected;
149 TestBtn.Enabled := (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected;
150 FCurrentStatement := -1;
151 if (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected then
152 begin
153 IBSQLEditFrame1.UserTables.Active := true;
154 IBSQLEditFrame1.SyncQueryBuilder(FSelectSQL);
155 end;
156 end;
157
158 procedure TIBDataSetEditorForm.FormClose(Sender: TObject;
159 var CloseAction: TCloseAction);
160 begin
161 if ModalResult = mrOK then
162 begin
163 UpdateSQLMemo;
164 FDataSet.ModifySQL.Assign(FModifySQL);
165 FDataSet.InsertSQL.Assign(FInsertSQL);
166 FDataSet.DeleteSQL.Assign(FDeleteSQL);
167 FDataSet.RefreshSQL.Assign(FRefreshSQL);
168 FDataSet.SelectSQL.Assign(FSelectSQL);
169 end;
170 end;
171
172 procedure TIBDataSetEditorForm.TestBtnClick(Sender: TObject);
173 begin
174 IBSQLEditFrame1.TestSQL(GenerateParams.Checked);
175 end;
176
177 procedure TIBDataSetEditorForm.IncludeSysTablesChange(Sender: TObject);
178 begin
179 IBSQLEditFrame1.IncludeSystemTables := IncludeSysTables.Checked;
180 end;
181
182 procedure TIBDataSetEditorForm.SelectSelectAllClick(Sender: TObject);
183 begin
184 IBSQLEditFrame1.SelectAllFields(SelectSelectAll.Checked);
185 end;
186
187 procedure TIBDataSetEditorForm.GenerateButtonClick(Sender: TObject);
188 begin
189 IBSQLEditFrame1.GenerateSelectSQL(QuoteFields.Checked,FSelectSQL,true);
190 IBSQLEditFrame1.GenerateRefreshSQL(QuoteFields.Checked,FRefreshSQL,true);
191 IBSQLEditFrame1.GenerateDeleteSQL(QuoteFields.Checked,FDeleteSQL);
192 IBSQLEditFrame1.GenerateInsertSQL(QuoteFields.Checked,FInsertSQL);
193 IBSQLEditFrame1.GenerateModifySQL(QuoteFields.Checked,FModifySQL, IncludePrimaryKeys.Checked);
194 FDirty := false;
195 PageControl.ActivePage := SQLPage;
196 end;
197
198 procedure TIBDataSetEditorForm.SQLMemoChange(Sender: TObject);
199 begin
200 FDirty := true
201 end;
202
203 procedure TIBDataSetEditorForm.SQLPageShow(Sender: TObject);
204 begin
205 UpdateSQLMemo
206 end;
207
208 procedure TIBDataSetEditorForm.StatementTypeClick(Sender: TObject);
209 begin
210 UpdateSQLMemo
211 end;
212
213 procedure TIBDataSetEditorForm.UpdateSQLMemo;
214 begin
215 if FDirty then
216 case FCurrentStatement of
217 0: // Select
218 FSelectSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
219 1: //Modify
220 FModifySQL.Assign(IBSQLEditFrame1.SQLText.Lines);
221 2: //Insert
222 FInsertSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
223 3: // Delete
224 FDeleteSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
225 4: //Refresh
226 FRefreshSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
227 end;
228 FDirty := false;
229 case StatementType.ItemIndex of
230 0: //Select
231 IBSQLEditFrame1.SQLText.Lines.Assign(FSelectSQL);
232 1: // Modify
233 IBSQLEditFrame1.SQLText.Lines.Assign(FModifySQL) ;
234 2: //Insert
235 IBSQLEditFrame1.SQLText.Lines.Assign(FInsertSQL) ;
236 3: // Delete
237 IBSQLEditFrame1.SQLText.Lines.Assign(FDeleteSQL) ;
238 4: //Refresh
239 IBSQLEditFrame1.SQLText.Lines.Assign(FRefreshSQL) ;
240 end;
241 FCurrentStatement := StatementType.ItemIndex;
242 end;
243
244 procedure TIBDataSetEditorForm.HandleUserTablesOpened(Sender: TObject);
245 begin
246 SelectSelectAll.Checked := true;
247 end;
248
249 procedure TIBDataSetEditorForm.Loaded;
250 begin
251 inherited Loaded;
252 if IBSQLEditFrame1 <> nil then
253 begin
254 IBSQLEditFrame1.OnUserTablesOpened := @HandleUserTablesOpened;
255 if SelectTableNames <> nil then
256 SelectTableNames.ListSource := IBSQLEditFrame1.UserTableSource;
257 if FieldNamesGrid <> nil then
258 FieldNamesGrid.DataSource := IBSQLEditFrame1.FieldsSource;
259 if PrimaryKeysGrid <> nil then
260 PrimaryKeysGrid.DataSource := IBSQLEditFrame1.PrimaryKeySource;
261 if IdentityGrid <> nil then
262 IdentityGrid.DataSource := IBSQLEditFrame1.IdentityColsSource;
263 if ReadOnlyGrid <> nil then
264 ReadOnlyGrid.DataSource := IBSQLEditFrame1.ReadOnlyFieldsSource;
265 end;
266 end;
267
268 constructor TIBDataSetEditorForm.Create(TheOwner: TComponent);
269 begin
270 inherited Create(TheOwner);
271 FModifySQL := TStringList.Create;
272 FInsertSQL := TStringList.Create;
273 FDeleteSQL := TStringList.Create;
274 FRefreshSQL := TStringList.Create;
275 FSelectSQL := TStringList.Create;
276 end;
277
278 destructor TIBDataSetEditorForm.Destroy;
279 begin
280 if assigned(FModifySQL) then FModifySQL.Free;
281 if assigned(FInsertSQL) then FInsertSQL.Free;
282 if assigned(FDeleteSQL) then FDeleteSQL.Free;
283 if assigned(FRefreshSQL) then FRefreshSQL.Free;
284 if assigned(FSelectSQL) then FSelectSQL.Free;
285 inherited Destroy;
286 end;
287
288 end.