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root/public/ibx/trunk/design/ibselectsqleditor.pas

Comparing ibx/trunk/design/ibselectsqleditor.pas (file contents):
Revision 5 by tony, Fri Feb 18 16:26:16 2011 UTC vs.
Revision 19 by tony, Mon Jul 7 13:00:15 2014 UTC

#	Line 1 | Line 1
1	<	unit ibselectsqleditor;
2	<
3	<	{$mode objfpc}{$H+}
4	<
5	<	interface
6	<
7	<	uses
8	<	Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
9	<	StdCtrls, IBSystemTables, IBDatabase;
10	<
11	<	type
12	<
13	<	{ TIBSelectSQLEditorForm }
14	<
15	<	TIBSelectSQLEditorForm = class(TForm)
16	<	Button1: TButton;
17	<	Button2: TButton;
18	<	Button3: TButton;
19	<	Button4: TButton;
20	<	FieldList: TListBox;
21	<	Label1: TLabel;
22	<	Label2: TLabel;
23	<	Label3: TLabel;
24	<	Label4: TLabel;
25	<	PrimaryKeyList: TListBox;
26	<	QuoteFields: TCheckBox;
27	<	SQLText: TMemo;
28	<	TableNamesCombo: TComboBox;
29	<	procedure Button3Click(Sender: TObject);
30	<	procedure Button4Click(Sender: TObject);
31	<	procedure FieldListDblClick(Sender: TObject);
32	<	procedure FormShow(Sender: TObject);
33	<	procedure PrimaryKeyListDblClick(Sender: TObject);
34	<	procedure TableNamesComboCloseUp(Sender: TObject);
35	<	private
36	<	{ private declarations }
37	<	FIBSystemTables: TIBSystemTables;
38	<	public
39	<	{ public declarations }
40	<	constructor Create(TheOwner: TComponent); override;
41	<	destructor Destroy; override;
42	<	procedure SetDatabase(Database: TIBDatabase; Transaction: TIBTransaction);
43	<	end;
44	<
45	<	var
46	<	IBSelectSQLEditorForm: TIBSelectSQLEditorForm;
47	<
48	<	function EditSQL(Database: TIBDatabase; Transaction: TIBTransaction; SelectSQL: TStrings): boolean;
49	<
50	<	implementation
51	<
52	<	function EditSQL(Database: TIBDatabase; Transaction: TIBTransaction; SelectSQL: TStrings): boolean;
53	<	begin
54	<	Result := false;
55	<	if assigned(Database) then
56	<	begin
57	<	if not assigned(Transaction) then
58	<	begin
59	<	if not assigned(Database.DefaultTransaction)then
60	<	begin
61	<	ShowMessage('No Default Transaction!');
62	<	Exit
63	<	end;
64	<	Transaction := Database.DefaultTransaction
65	<	end;
66	<
67	<	Database.Connected := true;
68	<	end;
69	<
70	<	with TIBSelectSQLEditorForm.Create(Application) do
71	<	try
72	<	SetDatabase(Database,Transaction);
73	<	SQLText.Lines.Assign(SelectSQL);
74	<	Result := ShowModal = mrOK;
75	<	if Result then
76	<	SelectSQL.Assign(SQLText.Lines)
77	<	finally
78	<	Free
79	<	end;
80	<	end;
81	<
82	<	{ TIBSelectSQLEditorForm }
83	<
84	<	procedure TIBSelectSQLEditorForm.FormShow(Sender: TObject);
85	<	begin
86	<	TableNamesCombo.Items.Clear;
87	<	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
88	<	if TableNamesCombo.Items.Count > 0 then
89	<	begin
90	<	TableNamesCombo.ItemIndex := 0;
91	<	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
92	<	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
93	<	end;
94	<	end;
95	<
96	<	procedure TIBSelectSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
97	<	begin
98	<	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
99	<	SQLText.SetFocus
100	<	end;
101	<
102	<	procedure TIBSelectSQLEditorForm.FieldListDblClick(Sender: TObject);
103	<	begin
104	<	SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
105	<	SQLText.SetFocus
106	<	end;
107	<
108	<	procedure TIBSelectSQLEditorForm.Button3Click(Sender: TObject);
109	<	begin
110	<	FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,SQLText.Lines)
111	<	end;
112	<
113	<	procedure TIBSelectSQLEditorForm.Button4Click(Sender: TObject);
114	<	begin
115	<	FIBSystemTables.TestSQL(SQLText.Lines.Text)
116	<	end;
117	<
118	<	procedure TIBSelectSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
119	<	begin
120	<	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
121	<	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
122	<	end;
123	<
124	<	constructor TIBSelectSQLEditorForm.Create(TheOwner: TComponent);
125	<	begin
126	<	inherited Create(TheOwner);
127	<	FIBSystemTables := TIBSystemTables.Create;
128	<	end;
129	<
130	<	destructor TIBSelectSQLEditorForm.Destroy;
131	<	begin
132	<	if assigned(FIBSystemTables) then FIBSystemTables.Free;
133	<	inherited Destroy;
134	<	end;
135	<
136	<	procedure TIBSelectSQLEditorForm.SetDatabase(Database: TIBDatabase; Transaction: TIBTransaction);
137	<	begin
138	<	FIBSystemTables.SelectDatabase(Database,Transaction)
139	<	end;
140	<
141	<	initialization
142	<	{$I ibselectsqleditor.lrs}
143	<
144	<	end.
145	<
1	>	(*
2	>	*  IBX For Lazarus (Firebird Express)
3	>	*
4	>	*  The contents of this file are subject to the Initial Developer's
5	>	*  Public License Version 1.0 (the "License"); you may not use this
6	>	*  file except in compliance with the License. You may obtain a copy
7	>	*  of the License here:
8	>	*
9	>	*    http://www.firebirdsql.org/index.php?op=doc&id=idpl
10	>	*
11	>	*  Software distributed under the License is distributed on an "AS
12	>	*  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
13	>	*  implied. See the License for the specific language governing rights
14	>	*  and limitations under the License.
15	>	*
16	>	*  The Initial Developer of the Original Code is Tony Whyman.
17	>	*
18	>	*  The Original Code is (C) 2011 Tony Whyman, MWA Software
19	>	*  (http://www.mwasoftware.co.uk).
20	>	*
21	>	*  All Rights Reserved.
22	>	*
23	>	*  Contributor(s): ______________________________________.
24	>	*
25	>	*)
26	>
27	>	unit ibselectsqleditor;
28	>
29	>	{$mode objfpc}{$H+}
30	>
31	>	interface
32	>
33	>	uses
34	>	Classes, SysUtils, FileUtil,  Forms, Controls, Graphics, Dialogs,
35	>	StdCtrls, ComCtrls, IBSystemTables, IBDatabase, IBCustomDataSet;
36	>
37	>	type
38	>
39	>	{ TIBSelectSQLEditorForm }
40	>
41	>	TIBSelectSQLEditorForm = class(TForm)
42	>	Button1: TButton;
43	>	Button2: TButton;
44	>	GenerateBtn: TButton;
45	>	GenerateParams: TCheckBox;
46	>	SelectProcedure: TLabel;
47	>	TestBtn: TButton;
48	>	FieldList: TListBox;
49	>	IBTransaction1: TIBTransaction;
50	>	Label1: TLabel;
51	>	Label16: TLabel;
52	>	Label17: TLabel;
53	>	Label18: TLabel;
54	>	Label2: TLabel;
55	>	Label3: TLabel;
56	>	Label4: TLabel;
57	>	PageControl: TPageControl;
58	>	PrimaryKeyList: TListBox;
59	>	ProcedureNames: TComboBox;
60	>	ProcInputList: TListBox;
61	>	ProcOutputList: TListBox;
62	>	QuoteFields: TCheckBox;
63	>	SQLText: TMemo;
64	>	TableNamesCombo: TComboBox;
65	>	SelectPage: TTabSheet;
66	>	ExecutePage: TTabSheet;
67	>	procedure GenerateBtnClick(Sender: TObject);
68	>	procedure TestBtnClick(Sender: TObject);
69	>	procedure ExecutePageShow(Sender: TObject);
70	>	procedure FieldListDblClick(Sender: TObject);
71	>	procedure FormShow(Sender: TObject);
72	>	procedure PrimaryKeyListDblClick(Sender: TObject);
73	>	procedure ProcedureNamesCloseUp(Sender: TObject);
74	>	procedure SelectPageShow(Sender: TObject);
75	>	procedure TableNamesComboCloseUp(Sender: TObject);
76	>	private
77	>	{ private declarations }
78	>	FIBSystemTables: TIBSystemTables;
79	>	FExecuteOnly: boolean;
80	>	public
81	>	{ public declarations }
82	>	constructor Create(TheOwner: TComponent); override;
83	>	destructor Destroy; override;
84	>	procedure SetDatabase(Database: TIBDatabase);
85	>	end;
86	>
87	>
88	>	function EditSQL(DataSet: TIBCustomDataSet;  SelectSQL: TStrings): boolean;
89	>
90	>	implementation
91	>
92	>	uses IBSQL;
93	>
94	>	{$R *.lfm}
95	>
96	>	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
97	>	begin
98	>	Result := false;
99	>	if assigned(DataSet) and assigned(DataSet.Database) then
100	>	try
101	>	DataSet.Database.Connected := true;
102	>	except on E: Exception do
103	>	ShowMessage(E.Message)
104	>	end;
105	>
106	>	with TIBSelectSQLEditorForm.Create(Application) do
107	>	try
108	>	if assigned(DataSet) then
109	>	begin
110	>	SetDatabase(DataSet.Database);
111	>	GenerateParams.Checked := DataSet.GenerateParamNames;
112	>	end;
113	>	SQLText.Lines.Assign(SelectSQL);
114	>	Result := ShowModal = mrOK;
115	>	if Result then
116	>	begin
117	>	SelectSQL.Assign(SQLText.Lines);
118	>	if assigned(DataSet) then
119	>	DataSet.GenerateParamNames := GenerateParams.Checked
120	>	end;
121	>	finally
122	>	Free
123	>	end;
124	>	end;
125	>
126	>	{ TIBSelectSQLEditorForm }
127	>
128	>	procedure TIBSelectSQLEditorForm.FormShow(Sender: TObject);
129	>	var IsProcedureName: boolean;
130	>	begin
131	>	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
132	>	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
133	>	if Trim(SQLText.Text) <> '' then
134	>	begin
135	>	try
136	>	FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
137	>	except  end;
138	>	if IsProcedureName then
139	>	PageControl.ActivePage := ExecutePage
140	>	else
141	>	PageControl.ActivePage := SelectPage;
142	>	end
143	>	else
144	>	PageControl.ActivePage := SelectPage;
145	>	end;
146	>
147	>	procedure TIBSelectSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
148	>	begin
149	>	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
150	>	SQLText.SetFocus
151	>	end;
152	>
153	>	procedure TIBSelectSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
154	>	begin
155	>	FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
156	>	SelectProcedure.Visible := not FExecuteOnly
157	>	end;
158	>
159	>	procedure TIBSelectSQLEditorForm.SelectPageShow(Sender: TObject);
160	>	var TableName: string;
161	>	begin
162	>	TableNamesCombo.Items.Clear;
163	>	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
164	>	if TableNamesCombo.Items.Count > 0 then
165	>	begin
166	>	TableNamesCombo.ItemIndex := 0;
167	>	if Trim(SQLText.Text) <> '' then
168	>	begin
169	>	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
170	>	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
171	>	end;
172	>	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
173	>	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
174	>	end;
175	>	end;
176	>
177	>	procedure TIBSelectSQLEditorForm.FieldListDblClick(Sender: TObject);
178	>	begin
179	>	SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
180	>	SQLText.SetFocus
181	>	end;
182	>
183	>	procedure TIBSelectSQLEditorForm.GenerateBtnClick(Sender: TObject);
184	>	var FieldNames: TStrings;
185	>	begin
186	>	if PageControl.ActivePage = ExecutePage then
187	>	FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,FExecuteOnly,
188	>	ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
189	>	else
190	>	begin
191	>	FieldNames :=  FIBSystemTables.GetFieldNames(FieldList);
192	>	try
193	>	FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines)
194	>	finally
195	>	FieldNames.Free
196	>	end;
197	>	end;
198	>	end;
199	>
200	>	procedure TIBSelectSQLEditorForm.TestBtnClick(Sender: TObject);
201	>	begin
202	>	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
203	>	end;
204	>
205	>	procedure TIBSelectSQLEditorForm.ExecutePageShow(Sender: TObject);
206	>	var ProcName: string;
207	>	IsProcedureName: boolean;
208	>	begin
209	>	FIBSystemTables.GetProcedureNames(ProcedureNames.Items,true);
210	>	if ProcedureNames.Items.Count > 0 then
211	>	begin
212	>	if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
213	>	begin
214	>	FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
215	>	ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
216	>	end
217	>	else
218	>	ProcedureNames.ItemIndex := 0;
219	>	end;
220	>	FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
221	>	SelectProcedure.Visible := not FExecuteOnly
222	>	end;
223	>
224	>	procedure TIBSelectSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
225	>	begin
226	>	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
227	>	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
228	>	end;
229	>
230	>	constructor TIBSelectSQLEditorForm.Create(TheOwner: TComponent);
231	>	begin
232	>	inherited Create(TheOwner);
233	>	FIBSystemTables := TIBSystemTables.Create;
234	>	end;
235	>
236	>	destructor TIBSelectSQLEditorForm.Destroy;
237	>	begin
238	>	if assigned(FIBSystemTables) then FIBSystemTables.Free;
239	>	inherited Destroy;
240	>	end;
241	>
242	>	procedure TIBSelectSQLEditorForm.SetDatabase(Database: TIBDatabase);
243	>	begin
244	>	IBTransaction1.DefaultDatabase := Database;
245	>	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
246	>	end;
247	>
248	>	end.
249	>

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