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Comparing ibx/trunk/design/ibdeletesqleditor.pas (file contents):
Revision 19 by tony, Mon Jul 7 13:00:15 2014 UTC vs.
Revision 33 by tony, Sat Jul 18 12:30:52 2015 UTC

#	Line 1 | Line 1
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 ibdeletesqleditor;
28	<
29	<	{$mode objfpc}{$H+}
30	<
31	<	interface
32	<
33	<	uses
34	<	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35	<	StdCtrls, IBSystemTables, IBDatabase, IBCustomDataSet;
36	<
37	<	type
38	<
39	<	{ TIBDeleteSQLEditorForm }
40	<
41	<	TIBDeleteSQLEditorForm = class(TForm)
42	<	Button1: TButton;
43	<	Button2: TButton;
44	<	GenerateBtn: TButton;
45	<	GenerateParams: TCheckBox;
46	<	TestBtn: TButton;
47	<	IBTransaction1: TIBTransaction;
48	<	Label1: TLabel;
49	<	Label3: TLabel;
50	<	Label4: TLabel;
51	<	PrimaryKeyList: TListBox;
52	<	QuoteFields: TCheckBox;
53	<	SQLText: TMemo;
54	<	TableNamesCombo: TComboBox;
55	<	procedure GenerateBtnClick(Sender: TObject);
56	<	procedure TestBtnClick(Sender: TObject);
57	<	procedure FormShow(Sender: TObject);
58	<	procedure PrimaryKeyListDblClick(Sender: TObject);
59	<	procedure TableNamesComboCloseUp(Sender: TObject);
60	<	private
61	<	{ private declarations }
62	<	FIBSystemTables: TIBSystemTables;
63	<	public
64	<	{ public declarations }
65	<	constructor Create(TheOwner: TComponent); override;
66	<	destructor Destroy; override;
67	<	procedure SetDatabase(Database: TIBDatabase);
68	<	end;
69	<
70	<	var
71	<	IBDeleteSQLEditorForm: TIBDeleteSQLEditorForm;
72	<
73	<	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
74	<
75	<	implementation
76	<
77	<	{$R *.lfm}
78	<
79	<	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
80	<	begin
81	<	Result := false;
82	<	if assigned(DataSet) and assigned(DataSet.Database) then
83	<	try
84	<	DataSet.Database.Connected := true;
85	<	except on E: Exception do
86	<	ShowMessage(E.Message)
87	<	end;
88	<
89	<	with TIBDeleteSQLEditorForm.Create(Application) do
90	<	try
91	<	if assigned(DataSet) then
92	<	begin
93	<	SetDatabase(DataSet.Database);
94	<	GenerateParams.Checked := DataSet.GenerateParamNames;
95	<	end;
96	<	SQLText.Lines.Assign(SelectSQL);
97	<	Result := ShowModal = mrOK;
98	<	if Result then
99	<	begin
100	<	SelectSQL.Assign(SQLText.Lines);
101	<	if assigned(DataSet) then
102	<	DataSet.GenerateParamNames := GenerateParams.Checked
103	<	end;
104	<	finally
105	<	Free
106	<	end;
107	<	end;
108	<
109	<	{ TIBDeleteSQLEditorForm }
110	<
111	<	procedure TIBDeleteSQLEditorForm.FormShow(Sender: TObject);
112	<	var TableName: string;
113	<	begin
114	<	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
115	<	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
116	<	TableNamesCombo.Items.Clear;
117	<	try
118	<	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
119	<	if TableNamesCombo.Items.Count > 0 then
120	<	begin
121	<	TableNamesCombo.ItemIndex := 0;
122	<	if Trim(SQLText.Text) <> '' then
123	<	begin
124	<	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
125	<	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
126	<	end;
127	<	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
128	<	end;
129	<	except {ignore} end;
130	<	end;
131	<
132	<	procedure TIBDeleteSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
133	<	begin
134	<	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
135	<	SQLText.SetFocus
136	<	end;
137	<
138	<	procedure TIBDeleteSQLEditorForm.GenerateBtnClick(Sender: TObject);
139	<	begin
140	<	FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,SQLText.Lines)
141	<	end;
142	<
143	<	procedure TIBDeleteSQLEditorForm.TestBtnClick(Sender: TObject);
144	<	begin
145	<	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
146	<	end;
147	<
148	<	procedure TIBDeleteSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
149	<	begin
150	<	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
151	<	end;
152	<
153	<	constructor TIBDeleteSQLEditorForm.Create(TheOwner: TComponent);
154	<	begin
155	<	inherited Create(TheOwner);
156	<	FIBSystemTables := TIBSystemTables.Create;
157	<	end;
158	<
159	<	destructor TIBDeleteSQLEditorForm.Destroy;
160	<	begin
161	<	if assigned(FIBSystemTables) then FIBSystemTables.Free;
162	<	inherited Destroy;
163	<	end;
164	<
165	<	procedure TIBDeleteSQLEditorForm.SetDatabase(Database: TIBDatabase);
166	<	begin
167	<	IBTransaction1.DefaultDatabase := Database;
168	<	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
169	<	end;
170	<
171	<	end.
172	<
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 ibdeletesqleditor;
28	>
29	>	{$mode objfpc}{$H+}
30	>
31	>	interface
32	>
33	>	uses
34	>	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35	>	StdCtrls, ComCtrls, IBSystemTables, IBDatabase, IBCustomDataSet;
36	>
37	>	type
38	>
39	>	{ TIBDeleteSQLEditorForm }
40	>
41	>	TIBDeleteSQLEditorForm = class(TForm)
42	>	Button1: TButton;
43	>	Button2: TButton;
44	>	ExecuteOnlyIndicator: TLabel;
45	>	GenerateBtn: TButton;
46	>	GenerateParams: TCheckBox;
47	>	Label1: TLabel;
48	>	Label16: TLabel;
49	>	Label17: TLabel;
50	>	Label18: TLabel;
51	>	Label4: TLabel;
52	>	PageControl: TPageControl;
53	>	PrimaryKeyList: TListBox;
54	>	ProcedureNames: TComboBox;
55	>	ProcInputList: TListBox;
56	>	ProcOutputList: TListBox;
57	>	TableNamesCombo: TComboBox;
58	>	DeletePage: TTabSheet;
59	>	ExecutePage: TTabSheet;
60	>	TestBtn: TButton;
61	>	IBTransaction1: TIBTransaction;
62	>	Label3: TLabel;
63	>	QuoteFields: TCheckBox;
64	>	SQLText: TMemo;
65	>	procedure DeletePageShow(Sender: TObject);
66	>	procedure ExecutePageShow(Sender: TObject);
67	>	procedure GenerateBtnClick(Sender: TObject);
68	>	procedure ProcedureNamesCloseUp(Sender: TObject);
69	>	procedure TestBtnClick(Sender: TObject);
70	>	procedure FormShow(Sender: TObject);
71	>	procedure PrimaryKeyListDblClick(Sender: TObject);
72	>	procedure TableNamesComboCloseUp(Sender: TObject);
73	>	private
74	>	{ private declarations }
75	>	FIBSystemTables: TIBSystemTables;
76	>	public
77	>	{ public declarations }
78	>	constructor Create(TheOwner: TComponent); override;
79	>	destructor Destroy; override;
80	>	procedure SetDatabase(Database: TIBDatabase);
81	>	end;
82	>
83	>	var
84	>	IBDeleteSQLEditorForm: TIBDeleteSQLEditorForm;
85	>
86	>	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
87	>
88	>	implementation
89	>
90	>	uses IBSQL;
91	>
92	>	{$R *.lfm}
93	>
94	>	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
95	>	begin
96	>	Result := false;
97	>	if assigned(DataSet) and assigned(DataSet.Database) then
98	>	try
99	>	DataSet.Database.Connected := true;
100	>	except on E: Exception do
101	>	ShowMessage(E.Message)
102	>	end;
103	>
104	>	with TIBDeleteSQLEditorForm.Create(Application) do
105	>	try
106	>	if assigned(DataSet) then
107	>	begin
108	>	SetDatabase(DataSet.Database);
109	>	GenerateParams.Checked := DataSet.GenerateParamNames;
110	>	end;
111	>	SQLText.Lines.Assign(SelectSQL);
112	>	Result := ShowModal = mrOK;
113	>	if Result then
114	>	begin
115	>	SelectSQL.Assign(SQLText.Lines);
116	>	if assigned(DataSet) then
117	>	DataSet.GenerateParamNames := GenerateParams.Checked
118	>	end;
119	>	finally
120	>	Free
121	>	end;
122	>	end;
123	>
124	>	{ TIBDeleteSQLEditorForm }
125	>
126	>	procedure TIBDeleteSQLEditorForm.FormShow(Sender: TObject);
127	>	var IsProcedureName: boolean;
128	>	SQLType: TIBSQLTypes;
129	>	begin
130	>	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
131	>	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
132	>	if Trim(SQLText.Text) <> '' then
133	>	begin
134	>	try
135	>	SQLType := FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
136	>	except  end;
137	>	if SQLType = SQLExecProcedure then
138	>	PageControl.ActivePage := ExecutePage
139	>	else
140	>	PageControl.ActivePage := DeletePage;
141	>	end
142	>	else
143	>	PageControl.ActivePage := DeletePage;
144	>	end;
145	>
146	>	procedure TIBDeleteSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
147	>	begin
148	>	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
149	>	SQLText.SetFocus
150	>	end;
151	>
152	>	procedure TIBDeleteSQLEditorForm.GenerateBtnClick(Sender: TObject);
153	>	begin
154	>	if PageControl.ActivePage = ExecutePage then
155	>	FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,true,
156	>	ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
157	>	else
158	>	FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,SQLText.Lines)
159	>	end;
160	>
161	>	procedure TIBDeleteSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
162	>	var ExecuteOnly: boolean;
163	>	begin
164	>	FIBSystemTables.GetProcParams(ProcedureNames.Text,ExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
165	>	ExecuteOnlyIndicator.Visible := ExecuteOnly;
166	>	end;
167	>
168	>	procedure TIBDeleteSQLEditorForm.DeletePageShow(Sender: TObject);
169	>	var TableName: string;
170	>	begin
171	>	TableNamesCombo.Items.Clear;
172	>	try
173	>	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
174	>	if TableNamesCombo.Items.Count > 0 then
175	>	begin
176	>	TableNamesCombo.ItemIndex := 0;
177	>	if Trim(SQLText.Text) <> '' then
178	>	begin
179	>	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
180	>	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
181	>	end;
182	>	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
183	>	end;
184	>	except {ignore} end;
185	>	end;
186	>
187	>	procedure TIBDeleteSQLEditorForm.ExecutePageShow(Sender: TObject);
188	>	var ProcName: string;
189	>	IsProcedureName: boolean;
190	>	begin
191	>	FIBSystemTables.GetProcedureNames(ProcedureNames.Items,false);
192	>	if ProcedureNames.Items.Count > 0 then
193	>	begin
194	>	if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
195	>	begin
196	>	FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
197	>	ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
198	>	end
199	>	else
200	>	ProcedureNames.ItemIndex := 0;
201	>	end;
202	>	ProcedureNamesCloseUp(nil);
203	>	end;
204	>
205	>	procedure TIBDeleteSQLEditorForm.TestBtnClick(Sender: TObject);
206	>	begin
207	>	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
208	>	end;
209	>
210	>	procedure TIBDeleteSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
211	>	begin
212	>	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
213	>	end;
214	>
215	>	constructor TIBDeleteSQLEditorForm.Create(TheOwner: TComponent);
216	>	begin
217	>	inherited Create(TheOwner);
218	>	FIBSystemTables := TIBSystemTables.Create;
219	>	end;
220	>
221	>	destructor TIBDeleteSQLEditorForm.Destroy;
222	>	begin
223	>	if assigned(FIBSystemTables) then FIBSystemTables.Free;
224	>	inherited Destroy;
225	>	end;
226	>
227	>	procedure TIBDeleteSQLEditorForm.SetDatabase(Database: TIBDatabase);
228	>	begin
229	>	IBTransaction1.DefaultDatabase := Database;
230	>	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
231	>	end;
232	>
233	>	end.

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