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root/public/ibx/trunk/design/ibdataseteditor.pas
Revision: 5
Committed: Fri Feb 18 16:26:16 2011 UTC (13 years, 8 months ago) by tony
Content type: text/x-pascal
File size: 7219 byte(s)
Log Message:
Committing updates for Release pre-release

File Contents

# Content
1 unit IBDataSetEditor;
2
3 {$mode objfpc}{$H+}
4
5 interface
6
7 uses
8 Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
9 ComCtrls, StdCtrls, ExtCtrls, IBSystemTables, IBCustomDataSet;
10
11 type
12
13 { TIBDataSetEditorForm }
14
15 TIBDataSetEditorForm = class(TForm)
16 Button1: TButton;
17 CancelButton: TButton;
18 FieldsPage: TTabSheet;
19 GenerateButton: TButton;
20 GroupBox1: TGroupBox;
21 PrimaryKeyList: TListBox;
22 Label1: TLabel;
23 Label2: TLabel;
24 Label3: TLabel;
25 Label4: TLabel;
26 OkButton: TButton;
27 PageControl: TPageControl;
28 QuoteFields: TCheckBox;
29 SQLMemo: TMemo;
30 SQLPage: TTabSheet;
31 StatementType: TRadioGroup;
32 FieldList: TListBox;
33 TableNamesCombo: TComboBox;
34 procedure Button1Click(Sender: TObject);
35 procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
36 procedure FormShow(Sender: TObject);
37 procedure GenerateButtonClick(Sender: TObject);
38 procedure SQLMemoChange(Sender: TObject);
39 procedure SQLPageShow(Sender: TObject);
40 procedure StatementTypeClick(Sender: TObject);
41 procedure TableNamesComboCloseUp(Sender: TObject);
42 private
43 { private declarations }
44 FDataSet: TIBDataSet;
45 FIBSystemTables: TIBSystemTables;
46 FDirty: boolean;
47 FCurrentStatement: integer;
48 FSelectSQL: TStringList;
49 FModifySQL: TStringList;
50 FInsertSQL: TStringList;
51 FDeleteSQL: TStringList;
52 FRefreshSQL: TStringList;
53 procedure UpdateSQLMemo;
54 public
55 { public declarations }
56 constructor Create(TheOwner: TComponent); override;
57 destructor Destroy; override;
58 procedure SetDataSet(AObject: TIBDataSet);
59 end;
60
61 var
62 IBDataSetEditorForm: TIBDataSetEditorForm;
63
64 function EditIBDataSet(DataSet: TIBDataSet): boolean;
65
66 implementation
67
68 function EditIBDataSet(DataSet: TIBDataSet): boolean;
69 begin
70 Result := false;
71 if assigned(DataSet) and assigned(DataSet.Database) then
72 begin
73 if not assigned(DataSet.Transaction) then
74 begin
75 ShowMessage('No Default Transaction!');
76 Exit
77 end;
78
79 DataSet.Database.Connected := true;
80 end;
81
82 with TIBDataSetEditorForm.Create(Application) do
83 try
84 SetDataSet(DataSet);
85 Result := ShowModal = mrOK
86 finally
87 Free
88 end;
89
90 end;
91
92 { TIBDataSetEditorForm }
93
94 procedure TIBDataSetEditorForm.FormShow(Sender: TObject);
95 var TableName: string;
96 begin
97 PageControl.ActivePage := FieldsPage;
98 FModifySQL.Assign(FDataSet.ModifySQL);
99 FInsertSQL.Assign(FDataSet.InsertSQL);
100 FDeleteSQL.Assign(FDataSet.DeleteSQL);
101 FRefreshSQL.Assign(FDataSet.RefreshSQL);
102 FSelectSQL.Assign(FDataSet.SelectSQL);
103 FCurrentStatement := -1;
104 TableNamesCombo.Items.Clear;
105 FIBSystemTables.GetTableNames(TableNamesCombo.Items);
106 if TableNamesCombo.Items.Count > 0 then
107 begin
108 TableNamesCombo.ItemIndex := 0;
109 if FSelectSQL.Text <> '' then
110 try
111 FIBSystemTables.GetTableAndColumns(FSelectSQL.Text,TableName,nil);
112 TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName);
113 except end;//ignore
114 FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,false);
115 FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
116 end;
117 end;
118
119 procedure TIBDataSetEditorForm.FormClose(Sender: TObject;
120 var CloseAction: TCloseAction);
121 begin
122 if ModalResult = mrOK then
123 begin
124 UpdateSQLMemo;
125 FDataSet.ModifySQL.Assign(FModifySQL);
126 FDataSet.InsertSQL.Assign(FInsertSQL);
127 FDataSet.DeleteSQL.Assign(FDeleteSQL);
128 FDataSet.RefreshSQL.Assign(FRefreshSQL);
129 FDataSet.SelectSQL.Assign(FSelectSQL);
130 end;
131 end;
132
133 procedure TIBDataSetEditorForm.Button1Click(Sender: TObject);
134 begin
135 if SQLMemo.Lines.Text <> '' then
136 FIBSystemTables.TestSQL(SQLMemo.Lines.Text);
137 end;
138
139 procedure TIBDataSetEditorForm.GenerateButtonClick(Sender: TObject);
140 var FieldNames: TStringList;
141 I: integer;
142 begin
143 FDataSet.RefreshSQL.Clear;
144 FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FSelectSQL);
145 FIBSystemTables.GenerateRefreshSQL(TableNamesCombo.Text,QuoteFields.Checked,FRefreshSQL);
146 FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,FDeleteSQL);
147 if FieldList.SelCount = 0 then
148 begin
149 FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
150 FieldList.Items,FModifySQL);
151 FIBSystemTables.GenerateInsertSQL(TableNamesCombo.Text,QuoteFields.Checked,
152 FieldList.Items,FInsertSQL);
153
154 end
155 else
156 begin
157 FieldNames := TStringList.Create;
158 try
159 for I := 0 to FieldList.Items.Count - 1 do
160 if FieldList.Selected[I] then
161 FieldNames.Add(FieldList.Items[I]);
162 FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
163 FieldNames,FModifySQL);
164 FIBSystemTables.GenerateInsertSQL(TableNamesCombo.Text,QuoteFields.Checked,
165 FieldNames,FInsertSQL);
166 finally
167 FieldNames.Free
168 end;
169 end;
170 FDirty := false;
171 PageControl.ActivePage := SQLPage;
172 end;
173
174 procedure TIBDataSetEditorForm.SQLMemoChange(Sender: TObject);
175 begin
176 FDirty := true
177 end;
178
179 procedure TIBDataSetEditorForm.SQLPageShow(Sender: TObject);
180 begin
181 UpdateSQLMemo
182 end;
183
184 procedure TIBDataSetEditorForm.StatementTypeClick(Sender: TObject);
185 begin
186 UpdateSQLMemo
187 end;
188
189 procedure TIBDataSetEditorForm.TableNamesComboCloseUp(Sender: TObject);
190 begin
191 FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,false);
192 FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
193 end;
194
195 procedure TIBDataSetEditorForm.UpdateSQLMemo;
196 begin
197 if FDirty then
198 case FCurrentStatement of
199 0: // Select
200 FSelectSQL.Assign(SQLMemo.Lines);
201 1: //Modify
202 FModifySQL.Assign(SQLMemo.Lines);
203 2: //Insert
204 FInsertSQL.Assign(SQLMemo.Lines);
205 3: // Delete
206 FDeleteSQL.Assign(SQLMemo.Lines);
207 4: //Refresh
208 FRefreshSQL.Assign(SQLMemo.Lines);
209 end;
210 FDirty := false;
211 case StatementType.ItemIndex of
212 0: //Select
213 SQLMemo.Lines.Assign(FSelectSQL);
214 1: // Modify
215 SQLMemo.Lines.Assign(FModifySQL) ;
216 2: //Insert
217 SQLMemo.Lines.Assign(FInsertSQL) ;
218 3: // Delete
219 SQLMemo.Lines.Assign(FDeleteSQL) ;
220 4: //Refresh
221 SQLMemo.Lines.Assign(FRefreshSQL) ;
222 end;
223 FCurrentStatement := StatementType.ItemIndex;
224 end;
225
226 constructor TIBDataSetEditorForm.Create(TheOwner: TComponent);
227 begin
228 inherited Create(TheOwner);
229 FIBSystemTables := TIBSystemTables.Create;
230 FModifySQL := TStringList.Create;
231 FInsertSQL := TStringList.Create;
232 FDeleteSQL := TStringList.Create;
233 FRefreshSQL := TStringList.Create;
234 FSelectSQL := TStringList.Create;
235 end;
236
237 destructor TIBDataSetEditorForm.Destroy;
238 begin
239 if assigned(FIBSystemTables) then FIBSystemTables.Free;
240 if assigned(FModifySQL) then FModifySQL.Free;
241 if assigned(FInsertSQL) then FInsertSQL.Free;
242 if assigned(FDeleteSQL) then FDeleteSQL.Free;
243 if assigned(FRefreshSQL) then FRefreshSQL.Free;
244 if assigned(FSelectSQL) then FSelectSQL.Free;
245 inherited Destroy;
246 end;
247
248 procedure TIBDataSetEditorForm.SetDataSet(AObject: TIBDataSet);
249 begin
250 FDataSet := AObject;
251 if assigned(FDataSet) then
252 FIBSystemTables.SelectDatabase(FDataSet.Database,FDataSet.Transaction);
253 end;
254
255
256 initialization
257 {$I ibdataseteditor.lrs}
258
259 end.
260