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Comparing ibx/trunk/design/ibdeletesqleditor.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 ibdeletesqleditor;
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	<	{ TIBDeleteSQLEditorForm }
14	<
15	<	TIBDeleteSQLEditorForm = class(TForm)
16	<	Button1: TButton;
17	<	Button2: TButton;
18	<	Button3: TButton;
19	<	Button4: TButton;
20	<	Label1: TLabel;
21	<	Label3: TLabel;
22	<	Label4: TLabel;
23	<	PrimaryKeyList: TListBox;
24	<	QuoteFields: TCheckBox;
25	<	SQLText: TMemo;
26	<	TableNamesCombo: TComboBox;
27	<	procedure Button3Click(Sender: TObject);
28	<	procedure Button4Click(Sender: TObject);
29	<	procedure FormShow(Sender: TObject);
30	<	procedure PrimaryKeyListDblClick(Sender: TObject);
31	<	procedure TableNamesComboCloseUp(Sender: TObject);
32	<	private
33	<	{ private declarations }
34	<	FIBSystemTables: TIBSystemTables;
35	<	public
36	<	{ public declarations }
37	<	constructor Create(TheOwner: TComponent); override;
38	<	destructor Destroy; override;
39	<	procedure SetDatabase(Database: TIBDatabase; Transaction: TIBTransaction);
40	<	end;
41	<
42	<	var
43	<	IBDeleteSQLEditorForm: TIBDeleteSQLEditorForm;
44	<
45	<	function EditSQL(Database: TIBDatabase; Transaction: TIBTransaction; SelectSQL: TStrings): boolean;
46	<
47	<	implementation
48	<
49	<	function EditSQL(Database: TIBDatabase; Transaction: TIBTransaction; SelectSQL: TStrings): boolean;
50	<	begin
51	<	Result := false;
52	<	if assigned(Database) then
53	<	begin
54	<	if not assigned(Transaction) then
55	<	begin
56	<	if not assigned(Database.DefaultTransaction)then
57	<	begin
58	<	ShowMessage('No Default Transaction!');
59	<	Exit
60	<	end;
61	<	Transaction := Database.DefaultTransaction
62	<	end;
63	<
64	<	Database.Connected := true;
65	<	end;
66	<
67	<	with TIBDeleteSQLEditorForm.Create(Application) do
68	<	try
69	<	SetDatabase(Database,Transaction);
70	<	SQLText.Lines.Assign(SelectSQL);
71	<	Result := ShowModal = mrOK;
72	<	if Result then
73	<	SelectSQL.Assign(SQLText.Lines)
74	<	finally
75	<	Free
76	<	end;
77	<	end;
78	<
79	<	{ TIBDeleteSQLEditorForm }
80	<
81	<	procedure TIBDeleteSQLEditorForm.FormShow(Sender: TObject);
82	<	begin
83	<	TableNamesCombo.Items.Clear;
84	<	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
85	<	if TableNamesCombo.Items.Count > 0 then
86	<	begin
87	<	TableNamesCombo.ItemIndex := 0;
88	<	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
89	<	end;
90	<	end;
91	<
92	<	procedure TIBDeleteSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
93	<	begin
94	<	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
95	<	SQLText.SetFocus
96	<	end;
97	<
98	<	procedure TIBDeleteSQLEditorForm.Button3Click(Sender: TObject);
99	<	begin
100	<	FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,SQLText.Lines)
101	<	end;
102	<
103	<	procedure TIBDeleteSQLEditorForm.Button4Click(Sender: TObject);
104	<	begin
105	<	FIBSystemTables.TestSQL(SQLText.Lines.Text)
106	<	end;
107	<
108	<	procedure TIBDeleteSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
109	<	begin
110	<	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
111	<	end;
112	<
113	<	constructor TIBDeleteSQLEditorForm.Create(TheOwner: TComponent);
114	<	begin
115	<	inherited Create(TheOwner);
116	<	FIBSystemTables := TIBSystemTables.Create;
117	<	end;
118	<
119	<	destructor TIBDeleteSQLEditorForm.Destroy;
120	<	begin
121	<	if assigned(FIBSystemTables) then FIBSystemTables.Free;
122	<	inherited Destroy;
123	<	end;
124	<
125	<	procedure TIBDeleteSQLEditorForm.SetDatabase(Database: TIBDatabase; Transaction: TIBTransaction);
126	<	begin
127	<	FIBSystemTables.SelectDatabase(Database,Transaction)
128	<	end;
129	<
130	<	initialization
131	<	{$I ibdeletesqleditor.lrs}
132	<
133	<	end.
134	<
1	>	(*
2	>	*  IBX For Lazarus (Firebird Express)
3	>	*
4	>	*  The contents of this file are subject to the Initial Developer's
5	>	*  Public License Version 1.0 (the "License"); you may not use this
6	>	*  file except in compliance with the License. You may obtain a copy
7	>	*  of the License here:
8	>	*
9	>	*    http://www.firebirdsql.org/index.php?op=doc&id=idpl
10	>	*
11	>	*  Software distributed under the License is distributed on an "AS
12	>	*  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
13	>	*  implied. See the License for the specific language governing rights
14	>	*  and limitations under the License.
15	>	*
16	>	*  The Initial Developer of the Original Code is Tony Whyman.
17	>	*
18	>	*  The Original Code is (C) 2011 Tony Whyman, MWA Software
19	>	*  (http://www.mwasoftware.co.uk).
20	>	*
21	>	*  All Rights Reserved.
22	>	*
23	>	*  Contributor(s): ______________________________________.
24	>	*
25	>	*)
26	>
27	>	unit ibdeletesqleditor;
28	>
29	>	{$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	>

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