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
#	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 ibinsertsqleditor;
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			{ TIBInsertSQLEditorForm }
40
41			TIBInsertSQLEditorForm = class(TForm)
42			Button1: TButton;
43			Button2: TButton;
44			GenerateBtn: TButton;
45	tony	19	GenerateParams: TCheckBox;
46	tony	17	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	tony	19	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
74	tony	17
75			implementation
76
77			{$R *.lfm}
78
79	tony	19	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
80	tony	17	begin
81			Result := false;
82
83	tony	19	if assigned(DataSet) and assigned(DataSet.Database) then
84	tony	17	try
85	tony	19	DataSet.Database.Connected := true;
86	tony	17	except on E: Exception do
87			ShowMessage(E.Message)
88			end;
89
90			with TIBInsertSQLEditorForm.Create(Application) do
91			try
92	tony	19	if assigned(DataSet) then
93			begin
94			SetDatabase(DataSet.Database);
95			GenerateParams.Checked := DataSet.GenerateParamNames;
96			end;
97	tony	17	SQLText.Lines.Assign(SelectSQL);
98			Result := ShowModal = mrOK;
99			if Result then
100	tony	19	begin
101			SelectSQL.Assign(SQLText.Lines);
102			if assigned(DataSet) then
103			DataSet.GenerateParamNames := GenerateParams.Checked
104			end;
105	tony	17	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	tony	19	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
155	tony	17	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	tony	19