trunk/design/ibmodifysqleditor.pas

(*
 *  IBX For Lazarus (Firebird Express)
 *
 *  The contents of this file are subject to the Initial Developer's
 *  Public License Version 1.0 (the "License"); you may not use this
 *  file except in compliance with the License. You may obtain a copy
 *  of the License here:
 *
 *    http://www.firebirdsql.org/index.php?op=doc&id=idpl
 *
 *  Software distributed under the License is distributed on an "AS
 *  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 *  implied. See the License for the specific language governing rights
 *  and limitations under the License.
 *
 *  The Initial Developer of the Original Code is Tony Whyman.
 *
 *  The Original Code is (C) 2011 Tony Whyman, MWA Software
 *  (http://www.mwasoftware.co.uk).
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): ______________________________________.
 *
*)

unit ibmodifysqleditor;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
  StdCtrls, IBSystemTables, IBDatabase;

type

  { TIBModifySQLEditorForm }

  TIBModifySQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    GenerateBtn: TButton;
    TestBtn: TButton;
    IBTransaction1: TIBTransaction;
    IncludePrimaryKeys: TCheckBox;
    FieldList: TListBox;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    PrimaryKeyList: TListBox;
    QuoteFields: TCheckBox;
    SQLText: TMemo;
    TableNamesCombo: TComboBox;
    procedure GenerateBtnClick(Sender: TObject);
    procedure TestBtnClick(Sender: TObject);
    procedure FieldListDblClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure PrimaryKeyListDblClick(Sender: TObject);
    procedure TableNamesComboCloseUp(Sender: TObject);
  private
    { private declarations }
    FIBSystemTables: TIBSystemTables;
  public
    { public declarations }
    constructor Create(TheOwner: TComponent); override;
    destructor Destroy; override;
    procedure SetDatabase(Database: TIBDatabase);
  end; 

var
  IBModifySQLEditorForm: TIBModifySQLEditorForm;

function EditSQL(Database: TIBDatabase;  SelectSQL: TStrings): boolean;

implementation

{$R *.lfm}

function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean;
begin
  Result := false;
  if assigned(Database) then
    try
      Database.Connected := true;
    except on E: Exception do
      ShowMessage(E.Message)
    end;

  with TIBModifySQLEditorForm.Create(Application) do
  try
    SetDatabase(Database);
    SQLText.Lines.Assign(SelectSQL);
    Result := ShowModal = mrOK;
    if Result then
     SelectSQL.Assign(SQLText.Lines)
  finally
    Free
  end;
end;

{ TIBModifySQLEditorForm }

procedure TIBModifySQLEditorForm.FormShow(Sender: TObject);
var TableName: string;
begin
  GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  TableNamesCombo.Items.Clear;
  try
  FIBSystemTables.GetTableNames(TableNamesCombo.Items);
  if TableNamesCombo.Items.Count > 0 then
  begin
    TableNamesCombo.ItemIndex := 0;
    if Trim(SQLText.Text) <> '' then
    begin
      FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
      TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
    end;
    FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
    FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
  end;
  except {ignore}  end;
end;

procedure TIBModifySQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
begin
  SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
  SQLText.SetFocus
end;

procedure TIBModifySQLEditorForm.FieldListDblClick(Sender: TObject);
begin
  SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
  SQLText.SetFocus
end;

procedure TIBModifySQLEditorForm.GenerateBtnClick(Sender: TObject);
var FieldNames: TStrings;
begin
  FieldNames :=  FIBSystemTables.GetFieldNames(FieldList);
  try
    FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
             FieldNames,SQLText.Lines)
  finally
    FieldNames.Free
  end;
end;

procedure TIBModifySQLEditorForm.TestBtnClick(Sender: TObject);
begin
  FIBSystemTables.TestSQL(SQLText.Lines.Text)
end;

procedure TIBModifySQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
begin
  FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
  FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
end;

constructor TIBModifySQLEditorForm.Create(TheOwner: TComponent);
begin
  inherited Create(TheOwner);
  FIBSystemTables := TIBSystemTables.Create;
end;

destructor TIBModifySQLEditorForm.Destroy;
begin
  if assigned(FIBSystemTables) then FIBSystemTables.Free;
  inherited Destroy;
end;

procedure TIBModifySQLEditorForm.SetDatabase(Database: TIBDatabase);
begin
  IBTransaction1.DefaultDatabase := Database;
  FIBSystemTables.SelectDatabase(Database,IBTransaction1)
end;

end.

Revision:	7
Committed:	Sun Aug 5 18:28:19 2012 UTC (12 years, 4 months ago) by tony
Content type:	text/x-pascal
File size:	5127 byte(s)
Log Message:	Committing updates for Release R1-0-0
#	Content
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 ibmodifysqleditor;
28
29	{$mode objfpc}{$H+}
30
31	interface
32
33	uses
34	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35	StdCtrls, IBSystemTables, IBDatabase;
36
37	type
38
39	{ TIBModifySQLEditorForm }
40
41	TIBModifySQLEditorForm = class(TForm)
42	Button1: TButton;
43	Button2: TButton;
44	GenerateBtn: TButton;
45	TestBtn: TButton;
46	IBTransaction1: TIBTransaction;
47	IncludePrimaryKeys: TCheckBox;
48	FieldList: TListBox;
49	Label1: TLabel;
50	Label2: TLabel;
51	Label3: TLabel;
52	Label4: TLabel;
53	PrimaryKeyList: TListBox;
54	QuoteFields: TCheckBox;
55	SQLText: TMemo;
56	TableNamesCombo: TComboBox;
57	procedure GenerateBtnClick(Sender: TObject);
58	procedure TestBtnClick(Sender: TObject);
59	procedure FieldListDblClick(Sender: TObject);
60	procedure FormShow(Sender: TObject);
61	procedure PrimaryKeyListDblClick(Sender: TObject);
62	procedure TableNamesComboCloseUp(Sender: TObject);
63	private
64	{ private declarations }
65	FIBSystemTables: TIBSystemTables;
66	public
67	{ public declarations }
68	constructor Create(TheOwner: TComponent); override;
69	destructor Destroy; override;
70	procedure SetDatabase(Database: TIBDatabase);
71	end;
72
73	var
74	IBModifySQLEditorForm: TIBModifySQLEditorForm;
75
76	function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean;
77
78	implementation
79
80	{$R *.lfm}
81
82	function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean;
83	begin
84	Result := false;
85	if assigned(Database) then
86	try
87	Database.Connected := true;
88	except on E: Exception do
89	ShowMessage(E.Message)
90	end;
91
92	with TIBModifySQLEditorForm.Create(Application) do
93	try
94	SetDatabase(Database);
95	SQLText.Lines.Assign(SelectSQL);
96	Result := ShowModal = mrOK;
97	if Result then
98	SelectSQL.Assign(SQLText.Lines)
99	finally
100	Free
101	end;
102	end;
103
104	{ TIBModifySQLEditorForm }
105
106	procedure TIBModifySQLEditorForm.FormShow(Sender: TObject);
107	var TableName: string;
108	begin
109	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
110	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
111	TableNamesCombo.Items.Clear;
112	try
113	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
114	if TableNamesCombo.Items.Count > 0 then
115	begin
116	TableNamesCombo.ItemIndex := 0;
117	if Trim(SQLText.Text) <> '' then
118	begin
119	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
120	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
121	end;
122	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
123	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
124	end;
125	except {ignore} end;
126	end;
127
128	procedure TIBModifySQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
129	begin
130	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
131	SQLText.SetFocus
132	end;
133
134	procedure TIBModifySQLEditorForm.FieldListDblClick(Sender: TObject);
135	begin
136	SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
137	SQLText.SetFocus
138	end;
139
140	procedure TIBModifySQLEditorForm.GenerateBtnClick(Sender: TObject);
141	var FieldNames: TStrings;
142	begin
143	FieldNames := FIBSystemTables.GetFieldNames(FieldList);
144	try
145	FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
146	FieldNames,SQLText.Lines)
147	finally
148	FieldNames.Free
149	end;
150	end;
151
152	procedure TIBModifySQLEditorForm.TestBtnClick(Sender: TObject);
153	begin
154	FIBSystemTables.TestSQL(SQLText.Lines.Text)
155	end;
156
157	procedure TIBModifySQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
158	begin
159	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
160	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
161	end;
162
163	constructor TIBModifySQLEditorForm.Create(TheOwner: TComponent);
164	begin
165	inherited Create(TheOwner);
166	FIBSystemTables := TIBSystemTables.Create;
167	end;
168
169	destructor TIBModifySQLEditorForm.Destroy;
170	begin
171	if assigned(FIBSystemTables) then FIBSystemTables.Free;
172	inherited Destroy;
173	end;
174
175	procedure TIBModifySQLEditorForm.SetDatabase(Database: TIBDatabase);
176	begin
177	IBTransaction1.DefaultDatabase := Database;
178	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
179	end;
180
181	end.
182