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:	17
Committed:	Sat Dec 28 19:22:24 2013 UTC (10 years, 11 months ago) by tony
Content type:	text/x-pascal
File size:	5309 byte(s)
Log Message:	Committing updates for Release R1-0-5
#	User	Rev	Content
1	tony	17	(*
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