trunk/design/ibinsertsqleditor.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 ibinsertsqleditor;

{$mode objfpc}{$H+}

interface

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

type

  { TIBInsertSQLEditorForm }

  TIBInsertSQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    GenerateBtn: TButton;
    GenerateParams: TCheckBox;
    TestBtn: TButton;
    FieldList: TListBox;
    IBTransaction1: TIBTransaction;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    QuoteFields: TCheckBox;
    SQLText: TMemo;
    TableNamesCombo: TComboBox;
    procedure GenerateBtnClick(Sender: TObject);
    procedure TestBtnClick(Sender: TObject);
    procedure FieldListDblClick(Sender: TObject);
    procedure FormShow(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
  IBInsertSQLEditorForm: TIBInsertSQLEditorForm;

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 TIBInsertSQLEditorForm.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;

{ TIBInsertSQLEditorForm }

procedure TIBInsertSQLEditorForm.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,true,false);
  end;
  except {ignore}
  end;
end;

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

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

procedure TIBInsertSQLEditorForm.TestBtnClick(Sender: TObject);
begin
  FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
end;

procedure TIBInsertSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
begin
  FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,true,false);
end;

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

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

procedure TIBInsertSQLEditorForm.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:	5145 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 ibinsertsqleditor;
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	{ TIBInsertSQLEditorForm }
40
41	TIBInsertSQLEditorForm = class(TForm)
42	Button1: TButton;
43	Button2: TButton;
44	GenerateBtn: TButton;
45	GenerateParams: TCheckBox;
46	TestBtn: TButton;
47	FieldList: TListBox;
48	IBTransaction1: TIBTransaction;
49	Label1: TLabel;
50	Label2: TLabel;
51	Label3: TLabel;
52	QuoteFields: TCheckBox;
53	SQLText: TMemo;
54	TableNamesCombo: TComboBox;
55	procedure GenerateBtnClick(Sender: TObject);
56	procedure TestBtnClick(Sender: TObject);
57	procedure FieldListDblClick(Sender: TObject);
58	procedure FormShow(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	IBInsertSQLEditorForm: TIBInsertSQLEditorForm;
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
83	if assigned(DataSet) and assigned(DataSet.Database) then
84	try
85	DataSet.Database.Connected := true;
86	except on E: Exception do
87	ShowMessage(E.Message)
88	end;
89
90	with TIBInsertSQLEditorForm.Create(Application) do
91	try
92	if assigned(DataSet) then
93	begin
94	SetDatabase(DataSet.Database);
95	GenerateParams.Checked := DataSet.GenerateParamNames;
96	end;
97	SQLText.Lines.Assign(SelectSQL);
98	Result := ShowModal = mrOK;
99	if Result then
100	begin
101	SelectSQL.Assign(SQLText.Lines);
102	if assigned(DataSet) then
103	DataSet.GenerateParamNames := GenerateParams.Checked
104	end;
105	finally
106	Free
107	end;
108	end;
109
110	{ TIBInsertSQLEditorForm }
111
112	procedure TIBInsertSQLEditorForm.FormShow(Sender: TObject);
113	var TableName: string;
114	begin
115	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
116	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
117	TableNamesCombo.Items.Clear;
118	try
119	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
120	if TableNamesCombo.Items.Count > 0 then
121	begin
122	TableNamesCombo.ItemIndex := 0;
123	if Trim(SQLText.Text) <> '' then
124	begin
125	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
126	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
127	end;
128	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,true,false);
129	end;
130	except {ignore}
131	end;
132	end;
133
134	procedure TIBInsertSQLEditorForm.FieldListDblClick(Sender: TObject);
135	begin
136	SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
137	SQLText.SetFocus
138	end;
139
140	procedure TIBInsertSQLEditorForm.GenerateBtnClick(Sender: TObject);
141	var FieldNames: TStrings;
142	begin
143	FieldNames := FIBSystemTables.GetFieldNames(FieldList);
144	try
145	FIBSystemTables.GenerateInsertSQL(TableNamesCombo.Text,QuoteFields.Checked,
146	FieldNames,SQLText.Lines)
147	finally
148	FieldNames.Free
149	end;
150	end;
151
152	procedure TIBInsertSQLEditorForm.TestBtnClick(Sender: TObject);
153	begin
154	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
155	end;
156
157	procedure TIBInsertSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
158	begin
159	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,true,false);
160	end;
161
162	constructor TIBInsertSQLEditorForm.Create(TheOwner: TComponent);
163	begin
164	inherited Create(TheOwner);
165	FIBSystemTables := TIBSystemTables.Create;
166	end;
167
168	destructor TIBInsertSQLEditorForm.Destroy;
169	begin
170	if assigned(FIBSystemTables) then FIBSystemTables.Free;
171	inherited Destroy;
172	end;
173
174	procedure TIBInsertSQLEditorForm.SetDatabase(Database: TIBDatabase);
175	begin
176	IBTransaction1.DefaultDatabase := Database;
177	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
178	end;
179
180	end.
181