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, IBCustomDataSet;

type

  { TIBModifySQLEditorForm }

  TIBModifySQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    GenerateBtn: TButton;
    GenerateParams: TCheckBox;
    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(DataSet: TIBCustomDataSet;  SelectSQL: TStrings): boolean;

implementation

{$R *.lfm}

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

  with TIBModifySQLEditorForm.Create(Application) do
  try
    if assigned(DataSet) then
    begin
      SetDatabase(DataSet.Database);
      GenerateParams.Checked := DataSet.GenerateParamNames;
    end;
    SQLText.Lines.Assign(SelectSQL);
    Result := ShowModal = mrOK;
    if Result then
    begin
     SelectSQL.Assign(SQLText.Lines);
     if assigned(DataSet) then
          DataSet.GenerateParamNames := GenerateParams.Checked
    end;
  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,GenerateParams.Checked)
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:	19
Committed:	Mon Jul 7 13:00:15 2014 UTC (10 years, 4 months ago) by tony
Content type:	text/x-pascal
File size:	5668 byte(s)
Log Message:	Committing updates for Release R1-1-0
#	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, IBCustomDataSet;
36
37	type
38
39	{ TIBModifySQLEditorForm }
40
41	TIBModifySQLEditorForm = class(TForm)
42	Button1: TButton;
43	Button2: TButton;
44	GenerateBtn: TButton;
45	GenerateParams: TCheckBox;
46	TestBtn: TButton;
47	IBTransaction1: TIBTransaction;
48	IncludePrimaryKeys: TCheckBox;
49	FieldList: TListBox;
50	Label1: TLabel;
51	Label2: TLabel;
52	Label3: TLabel;
53	Label4: TLabel;
54	PrimaryKeyList: TListBox;
55	QuoteFields: TCheckBox;
56	SQLText: TMemo;
57	TableNamesCombo: TComboBox;
58	procedure GenerateBtnClick(Sender: TObject);
59	procedure TestBtnClick(Sender: TObject);
60	procedure FieldListDblClick(Sender: TObject);
61	procedure FormShow(Sender: TObject);
62	procedure PrimaryKeyListDblClick(Sender: TObject);
63	procedure TableNamesComboCloseUp(Sender: TObject);
64	private
65	{ private declarations }
66	FIBSystemTables: TIBSystemTables;
67	public
68	{ public declarations }
69	constructor Create(TheOwner: TComponent); override;
70	destructor Destroy; override;
71	procedure SetDatabase(Database: TIBDatabase);
72	end;
73
74	var
75	IBModifySQLEditorForm: TIBModifySQLEditorForm;
76
77	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
78
79	implementation
80
81	{$R *.lfm}
82
83	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
84	begin
85	Result := false;
86	if assigned(DataSet) and assigned(DataSet.Database) then
87	try
88	DataSet.Database.Connected := true;
89	except on E: Exception do
90	ShowMessage(E.Message)
91	end;
92
93	with TIBModifySQLEditorForm.Create(Application) do
94	try
95	if assigned(DataSet) then
96	begin
97	SetDatabase(DataSet.Database);
98	GenerateParams.Checked := DataSet.GenerateParamNames;
99	end;
100	SQLText.Lines.Assign(SelectSQL);
101	Result := ShowModal = mrOK;
102	if Result then
103	begin
104	SelectSQL.Assign(SQLText.Lines);
105	if assigned(DataSet) then
106	DataSet.GenerateParamNames := GenerateParams.Checked
107	end;
108	finally
109	Free
110	end;
111	end;
112
113	{ TIBModifySQLEditorForm }
114
115	procedure TIBModifySQLEditorForm.FormShow(Sender: TObject);
116	var TableName: string;
117	begin
118	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
119	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
120	TableNamesCombo.Items.Clear;
121	try
122	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
123	if TableNamesCombo.Items.Count > 0 then
124	begin
125	TableNamesCombo.ItemIndex := 0;
126	if Trim(SQLText.Text) <> '' then
127	begin
128	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
129	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
130	end;
131	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
132	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
133	end;
134	except {ignore} end;
135	end;
136
137	procedure TIBModifySQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
138	begin
139	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
140	SQLText.SetFocus
141	end;
142
143	procedure TIBModifySQLEditorForm.FieldListDblClick(Sender: TObject);
144	begin
145	SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
146	SQLText.SetFocus
147	end;
148
149	procedure TIBModifySQLEditorForm.GenerateBtnClick(Sender: TObject);
150	var FieldNames: TStrings;
151	begin
152	FieldNames := FIBSystemTables.GetFieldNames(FieldList);
153	try
154	FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
155	FieldNames,SQLText.Lines)
156	finally
157	FieldNames.Free
158	end;
159	end;
160
161	procedure TIBModifySQLEditorForm.TestBtnClick(Sender: TObject);
162	begin
163	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
164	end;
165
166	procedure TIBModifySQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
167	begin
168	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
169	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
170	end;
171
172	constructor TIBModifySQLEditorForm.Create(TheOwner: TComponent);
173	begin
174	inherited Create(TheOwner);
175	FIBSystemTables := TIBSystemTables.Create;
176	end;
177
178	destructor TIBModifySQLEditorForm.Destroy;
179	begin
180	if assigned(FIBSystemTables) then FIBSystemTables.Free;
181	inherited Destroy;
182	end;
183
184	procedure TIBModifySQLEditorForm.SetDatabase(Database: TIBDatabase);
185	begin
186	IBTransaction1.DefaultDatabase := Database;
187	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
188	end;
189
190	end.
191