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Comparing ibx/trunk/design/ibgeneratoreditor.pas (file contents):
Revision 7 by tony, Sun Aug 5 18:28:19 2012 UTC vs.
Revision 17 by tony, Sat Dec 28 19:22:24 2013 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 IBGeneratorEditor;
28	<
29	<	{$mode objfpc}{$H+}
30	<
31	<	interface
32	<
33	<	uses
34	<	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35	<	ExtCtrls, StdCtrls, ComCtrls, IBDatabase, IBCustomDataSet, IBSystemTables;
36	<
37	<	type
38	<
39	<	{ TGeneratorEditor }
40	<
41	<	TGeneratorEditor = class(TForm)
42	<	Bevel1: TBevel;
43	<	Button1: TButton;
44	<	Button2: TButton;
45	<	GeneratorNames: TComboBox;
46	<	FieldNames: TComboBox;
47	<	IBTransaction1: TIBTransaction;
48	<	IncrementBy: TEdit;
49	<	Label1: TLabel;
50	<	Label2: TLabel;
51	<	Label3: TLabel;
52	<	OnNewRecord: TRadioButton;
53	<	OnPost: TRadioButton;
54	<	UpDown1: TUpDown;
55	<	procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
56	<	procedure FormShow(Sender: TObject);
57	<	private
58	<	FGenerator: TIBGenerator;
59	<	FTableName: string;
60	<	FIBSystemTables: TIBSystemTables;
61	<	{ private declarations }
62	<	procedure LoadGenerators;
63	<	procedure LoadFieldNames;
64	<	function GetPrimaryKey: string;
65	<	procedure SetGenerator(const AValue: TIBGenerator);
66	<	procedure SetDatabase(ADatabase: TIBDatabase; ATransaction: TIBTransaction);
67	<	public
68	<	{ public declarations }
69	<	constructor Create(TheOwner: TComponent); override;
70	<	destructor Destroy; override;
71	<	property Generator: TIBGenerator read FGenerator write SetGenerator;
72	<	end;
73	<
74	<	function EditGenerator(AGenerator: TIBGenerator): boolean;
75	<
76	<	implementation
77	<
78	<	uses IBQuery;
79	<
80	<	{$R *.lfm}
81	<
82	<	function EditGenerator(AGenerator: TIBGenerator): boolean;
83	<	var Database: TIBDatabase;
84	<	begin
85	<	Result := false;
86	<	if (AGenerator.Owner is TIBQuery and ((AGenerator.Owner as TIBQuery).SQL.Text = '')) or
87	<	(AGenerator.Owner is TIBDataSet and ((AGenerator.Owner as TIBDataSet).SelectSQL.Text = '')) then
88	<	begin
89	<	ShowMessage('No Select SQL Found!');
90	<	Exit
91	<	end;
92	<	Database := AGenerator.Owner.Database;
93	<
94	<	if assigned(Database) then
95	<	try
96	<	Database.Connected := true;
97	<	except on E: Exception do
98	<	ShowMessage(E.Message)
99	<	end;
100	<
101	<	with TGeneratorEditor.Create(Application) do
102	<	try
103	<	Generator := AGenerator;
104	<	Result := ShowModal = mrOK
105	<	finally
106	<	Free
107	<	end;
108	<	end;
109	<
110	<	{ TGeneratorEditor }
111	<
112	<	procedure TGeneratorEditor.FormShow(Sender: TObject);
113	<	begin
114	<	LoadGenerators;
115	<	LoadFieldNames;
116	<	if Generator.Generator <> '' then
117	<	GeneratorNames.ItemIndex := GeneratorNames.Items.IndexOf(Generator.Generator);
118	<	if Generator.Field <> '' then
119	<	FieldNames.ItemIndex := FieldNames.Items.IndexOf(UpperCase(Generator.Field))
120	<	else
121	<	FieldNames.ItemIndex := FieldNames.Items.IndexOf(GetPrimaryKey);
122	<
123	<	if FieldNames.ItemIndex = -1 then
124	<	FieldNames.Text := Generator.Field;
125	<
126	<	if Generator.ApplyOnEvent = gaeOnNewRecord then
127	<	OnNewRecord.Checked := true
128	<	else
129	<	OnPost.Checked := true;
130	<	IncrementBy.Text := IntToStr(Generator.Increment);
131	<	end;
132	<
133	<	procedure TGeneratorEditor.FormClose(Sender: TObject;
134	<	var CloseAction: TCloseAction);
135	<	begin
136	<	if ModalResult = mrOK then
137	<	begin
138	<	Generator.Generator := GeneratorNames.Text;
139	<	Generator.Field := FieldNames.Text;
140	<	if OnNewRecord.Checked then
141	<	Generator.ApplyOnEvent := gaeOnNewRecord
142	<	else
143	<	Generator.ApplyOnEvent := gaeOnPostRecord;
144	<	Generator.Increment := StrToInt(IncrementBy.Text)
145	<
146	<	end;
147	<	end;
148	<
149	<	procedure TGeneratorEditor.LoadGenerators;
150	<	begin
151	<	FIBSystemTables.GetGenerators(GeneratorNames.Items);
152	<	if GeneratorNames.Items.Count > 0 then
153	<	GeneratorNames.ItemIndex := 0
154	<	end;
155	<
156	<	procedure TGeneratorEditor.LoadFieldNames;
157	<	begin
158	<	if FGenerator.Owner is TIBDataSet then
159	<	FIBSystemTables.GetTableAndColumns((FGenerator.Owner as TIBDataSet).SelectSQL.Text,FTableName,FieldNames.Items)
160	<	else
161	<	if FGenerator.Owner is TIBQuery then
162	<	FIBSystemTables.GetTableAndColumns((FGenerator.Owner as TIBQuery).SQL.Text,FTableName,FieldNames.Items)
163	<	else
164	<	raise Exception.CreateFmt('Don''t know how to edit a %s',[FGenerator.Owner.ClassName])
165	<	end;
166	<
167	<	function TGeneratorEditor.GetPrimaryKey: string;
168	<	var Keys: TStringList;
169	<	begin
170	<	Result := '';
171	<	Keys := TStringList.Create;
172	<	try
173	<	FIBSystemTables.GetPrimaryKeys(FTableName,Keys);
174	<	if Keys.Count > 0 then
175	<	Result := Keys[0];
176	<	finally
177	<	Keys.Free
178	<	end;
179	<	end;
180	<
181	<	procedure TGeneratorEditor.SetGenerator(const AValue: TIBGenerator);
182	<	begin
183	<	FGenerator := AValue;
184	<	IBTransaction1.DefaultDatabase := Generator.Owner.Database;
185	<	SetDatabase(Generator.Owner.Database,IBTransaction1);
186	<	end;
187	<
188	<	procedure TGeneratorEditor.SetDatabase(ADatabase: TIBDatabase; ATransaction: TIBTransaction);
189	<	begin
190	<	if not assigned(ADatabase) then
191	<	raise Exception.Create('A Database must be assigned');
192	<	if not assigned(ATransaction) then
193	<	raise Exception.Create('A Transaction must be assigned');
194	<	FIBSystemTables.SelectDatabase( ADatabase,ATransaction)
195	<	end;
196	<
197	<	constructor TGeneratorEditor.Create(TheOwner: TComponent);
198	<	begin
199	<	inherited Create(TheOwner);
200	<	FIBSystemTables := TIBSystemTables.Create
201	<	end;
202	<
203	<	destructor TGeneratorEditor.Destroy;
204	<	begin
205	<	if assigned(FIBSystemTables) then FIBSystemTables.Free;
206	<	inherited Destroy;
207	<	end;
208	<
209	<	end.
210	<
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 IBGeneratorEditor;
28	>
29	>	{$mode objfpc}{$H+}
30	>
31	>	interface
32	>
33	>	uses
34	>	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35	>	ExtCtrls, StdCtrls, ComCtrls, IBDatabase, IBCustomDataSet, IBSystemTables;
36	>
37	>	type
38	>
39	>	{ TGeneratorEditor }
40	>
41	>	TGeneratorEditor = class(TForm)
42	>	Bevel1: TBevel;
43	>	Button1: TButton;
44	>	Button2: TButton;
45	>	GeneratorNames: TComboBox;
46	>	FieldNames: TComboBox;
47	>	IBTransaction1: TIBTransaction;
48	>	IncrementBy: TEdit;
49	>	Label1: TLabel;
50	>	Label2: TLabel;
51	>	Label3: TLabel;
52	>	OnNewRecord: TRadioButton;
53	>	OnPost: TRadioButton;
54	>	UpDown1: TUpDown;
55	>	procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
56	>	procedure FormShow(Sender: TObject);
57	>	private
58	>	FGenerator: TIBGenerator;
59	>	FTableName: string;
60	>	FIBSystemTables: TIBSystemTables;
61	>	{ private declarations }
62	>	procedure LoadGenerators;
63	>	procedure LoadFieldNames;
64	>	function GetPrimaryKey: string;
65	>	procedure SetGenerator(const AValue: TIBGenerator);
66	>	procedure SetDatabase(ADatabase: TIBDatabase; ATransaction: TIBTransaction);
67	>	public
68	>	{ public declarations }
69	>	constructor Create(TheOwner: TComponent); override;
70	>	destructor Destroy; override;
71	>	property Generator: TIBGenerator read FGenerator write SetGenerator;
72	>	end;
73	>
74	>	function EditGenerator(AGenerator: TIBGenerator): boolean;
75	>
76	>	implementation
77	>
78	>	uses IBQuery;
79	>
80	>	{$R *.lfm}
81	>
82	>	function EditGenerator(AGenerator: TIBGenerator): boolean;
83	>	var Database: TIBDatabase;
84	>	begin
85	>	Result := false;
86	>	if (AGenerator.Owner is TIBQuery and ((AGenerator.Owner as TIBQuery).SQL.Text = '')) or
87	>	(AGenerator.Owner is TIBDataSet and ((AGenerator.Owner as TIBDataSet).SelectSQL.Text = '')) then
88	>	begin
89	>	ShowMessage('No Select SQL Found!');
90	>	Exit
91	>	end;
92	>	Database := AGenerator.Owner.Database;
93	>
94	>	if assigned(Database) then
95	>	try
96	>	Database.Connected := true;
97	>	except on E: Exception do
98	>	ShowMessage(E.Message)
99	>	end;
100	>
101	>	with TGeneratorEditor.Create(Application) do
102	>	try
103	>	Generator := AGenerator;
104	>	Result := ShowModal = mrOK
105	>	finally
106	>	Free
107	>	end;
108	>	end;
109	>
110	>	{ TGeneratorEditor }
111	>
112	>	procedure TGeneratorEditor.FormShow(Sender: TObject);
113	>	begin
114	>	LoadGenerators;
115	>	LoadFieldNames;
116	>	if Generator.Generator <> '' then
117	>	GeneratorNames.ItemIndex := GeneratorNames.Items.IndexOf(Generator.Generator);
118	>	if Generator.Field <> '' then
119	>	FieldNames.ItemIndex := FieldNames.Items.IndexOf(UpperCase(Generator.Field))
120	>	else
121	>	FieldNames.ItemIndex := FieldNames.Items.IndexOf(GetPrimaryKey);
122	>
123	>	if FieldNames.ItemIndex = -1 then
124	>	FieldNames.Text := Generator.Field;
125	>
126	>	if Generator.ApplyOnEvent = gaeOnNewRecord then
127	>	OnNewRecord.Checked := true
128	>	else
129	>	OnPost.Checked := true;
130	>	IncrementBy.Text := IntToStr(Generator.Increment);
131	>	end;
132	>
133	>	procedure TGeneratorEditor.FormClose(Sender: TObject;
134	>	var CloseAction: TCloseAction);
135	>	begin
136	>	if ModalResult = mrOK then
137	>	begin
138	>	Generator.Generator := GeneratorNames.Text;
139	>	Generator.Field := FieldNames.Text;
140	>	if OnNewRecord.Checked then
141	>	Generator.ApplyOnEvent := gaeOnNewRecord
142	>	else
143	>	Generator.ApplyOnEvent := gaeOnPostRecord;
144	>	Generator.Increment := StrToInt(IncrementBy.Text)
145	>
146	>	end;
147	>	end;
148	>
149	>	procedure TGeneratorEditor.LoadGenerators;
150	>	begin
151	>	FIBSystemTables.GetGenerators(GeneratorNames.Items);
152	>	if GeneratorNames.Items.Count > 0 then
153	>	GeneratorNames.ItemIndex := 0
154	>	end;
155	>
156	>	procedure TGeneratorEditor.LoadFieldNames;
157	>	begin
158	>	if FGenerator.Owner is TIBDataSet then
159	>	FIBSystemTables.GetTableAndColumns((FGenerator.Owner as TIBDataSet).SelectSQL.Text,FTableName,FieldNames.Items)
160	>	else
161	>	if FGenerator.Owner is TIBQuery then
162	>	FIBSystemTables.GetTableAndColumns((FGenerator.Owner as TIBQuery).SQL.Text,FTableName,FieldNames.Items)
163	>	else
164	>	raise Exception.CreateFmt('Don''t know how to edit a %s',[FGenerator.Owner.ClassName])
165	>	end;
166	>
167	>	function TGeneratorEditor.GetPrimaryKey: string;
168	>	var Keys: TStringList;
169	>	begin
170	>	Result := '';
171	>	Keys := TStringList.Create;
172	>	try
173	>	FIBSystemTables.GetPrimaryKeys(FTableName,Keys);
174	>	if Keys.Count > 0 then
175	>	Result := Keys[0];
176	>	finally
177	>	Keys.Free
178	>	end;
179	>	end;
180	>
181	>	procedure TGeneratorEditor.SetGenerator(const AValue: TIBGenerator);
182	>	begin
183	>	FGenerator := AValue;
184	>	IBTransaction1.DefaultDatabase := Generator.Owner.Database;
185	>	SetDatabase(Generator.Owner.Database,IBTransaction1);
186	>	end;
187	>
188	>	procedure TGeneratorEditor.SetDatabase(ADatabase: TIBDatabase; ATransaction: TIBTransaction);
189	>	begin
190	>	if not assigned(ADatabase) then
191	>	raise Exception.Create('A Database must be assigned');
192	>	if not assigned(ATransaction) then
193	>	raise Exception.Create('A Transaction must be assigned');
194	>	FIBSystemTables.SelectDatabase( ADatabase,ATransaction)
195	>	end;
196	>
197	>	constructor TGeneratorEditor.Create(TheOwner: TComponent);
198	>	begin
199	>	inherited Create(TheOwner);
200	>	FIBSystemTables := TIBSystemTables.Create
201	>	end;
202	>
203	>	destructor TGeneratorEditor.Destroy;
204	>	begin
205	>	if assigned(FIBSystemTables) then FIBSystemTables.Free;
206	>	inherited Destroy;
207	>	end;
208	>
209	>	end.
210	>

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