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, 5 months ago) by tony
Content type:	text/x-pascal
File size:	5668 byte(s)
Log Message:	Committing updates for Release R1-1-0
#	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	tony	19	StdCtrls, IBSystemTables, IBDatabase, IBCustomDataSet;
36	tony	17
37			type
38
39			{ TIBModifySQLEditorForm }
40
41			TIBModifySQLEditorForm = class(TForm)
42			Button1: TButton;
43			Button2: TButton;
44			GenerateBtn: TButton;
45	tony	19	GenerateParams: TCheckBox;
46	tony	17	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	tony	19	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
78	tony	17
79			implementation
80
81			{$R *.lfm}
82
83	tony	19	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
84	tony	17	begin
85			Result := false;
86	tony	19	if assigned(DataSet) and assigned(DataSet.Database) then
87	tony	17	try
88	tony	19	DataSet.Database.Connected := true;
89	tony	17	except on E: Exception do
90			ShowMessage(E.Message)
91			end;
92
93			with TIBModifySQLEditorForm.Create(Application) do
94			try
95	tony	19	if assigned(DataSet) then
96			begin
97			SetDatabase(DataSet.Database);
98			GenerateParams.Checked := DataSet.GenerateParamNames;
99			end;
100	tony	17	SQLText.Lines.Assign(SelectSQL);
101			Result := ShowModal = mrOK;
102			if Result then
103	tony	19	begin
104			SelectSQL.Assign(SQLText.Lines);
105			if assigned(DataSet) then
106			DataSet.GenerateParamNames := GenerateParams.Checked
107			end;
108	tony	17	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	tony	19	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
164	tony	17	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	tony	19