trunk/design/ibselectsqleditor.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 ibselectsqleditor;

{$mode objfpc}{$H+}

interface

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

type

  { TIBSelectSQLEditorForm }

  TIBSelectSQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    GenerateBtn: TButton;
    SelectProcedure: TLabel;
    TestBtn: TButton;
    FieldList: TListBox;
    IBTransaction1: TIBTransaction;
    Label1: TLabel;
    Label16: TLabel;
    Label17: TLabel;
    Label18: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    PageControl: TPageControl;
    PrimaryKeyList: TListBox;
    ProcedureNames: TComboBox;
    ProcInputList: TListBox;
    ProcOutputList: TListBox;
    QuoteFields: TCheckBox;
    SQLText: TMemo;
    TableNamesCombo: TComboBox;
    SelectPage: TTabSheet;
    ExecutePage: TTabSheet;
    procedure GenerateBtnClick(Sender: TObject);
    procedure TestBtnClick(Sender: TObject);
    procedure ExecutePageShow(Sender: TObject);
    procedure FieldListDblClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure PrimaryKeyListDblClick(Sender: TObject);
    procedure ProcedureNamesCloseUp(Sender: TObject);
    procedure SelectPageShow(Sender: TObject);
    procedure TableNamesComboCloseUp(Sender: TObject);
  private
    { private declarations }
    FIBSystemTables: TIBSystemTables;
    FExecuteOnly: boolean;
  public
    { public declarations }
    constructor Create(TheOwner: TComponent); override;
    destructor Destroy; override;
    procedure SetDatabase(Database: TIBDatabase);
  end; 

var
  IBSelectSQLEditorForm: TIBSelectSQLEditorForm;

function EditSQL(Database: TIBDatabase;  SelectSQL: TStrings): boolean;

implementation

uses IBSQL;

{$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 TIBSelectSQLEditorForm.Create(Application) do
  try
    SetDatabase(Database);
    SQLText.Lines.Assign(SelectSQL);
    Result := ShowModal = mrOK;
    if Result then
     SelectSQL.Assign(SQLText.Lines)
  finally
    Free
  end;
end;

{ TIBSelectSQLEditorForm }

procedure TIBSelectSQLEditorForm.FormShow(Sender: TObject);
var IsProcedureName: boolean;
begin
  GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  if Trim(SQLText.Text) <> '' then
  begin
    try
      FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
    except  end;
    if IsProcedureName then
      PageControl.ActivePage := ExecutePage
    else
      PageControl.ActivePage := SelectPage;
  end
  else
    PageControl.ActivePage := SelectPage;
end;

procedure TIBSelectSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
begin
  SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
  SQLText.SetFocus
end;

procedure TIBSelectSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
begin
  FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
  SelectProcedure.Visible := not FExecuteOnly
end;

procedure TIBSelectSQLEditorForm.SelectPageShow(Sender: TObject);
var TableName: string;
begin
  TableNamesCombo.Items.Clear;
  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);
    FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
  end;
end;

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

procedure TIBSelectSQLEditorForm.GenerateBtnClick(Sender: TObject);
var FieldNames: TStrings;
begin
  if PageControl.ActivePage = ExecutePage then
    FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,FExecuteOnly,
          ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
  else
  begin
    FieldNames :=  FIBSystemTables.GetFieldNames(FieldList);
    try
      FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines)
    finally
      FieldNames.Free
    end;
  end;
end;

procedure TIBSelectSQLEditorForm.TestBtnClick(Sender: TObject);
begin
  FIBSystemTables.TestSQL(SQLText.Lines.Text)
end;

procedure TIBSelectSQLEditorForm.ExecutePageShow(Sender: TObject);
var ProcName: string;
    IsProcedureName: boolean;
begin
  FIBSystemTables.GetProcedureNames(ProcedureNames.Items,true);
  if ProcedureNames.Items.Count > 0 then
  begin
    if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
    begin
      FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
      ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
    end
    else
      ProcedureNames.ItemIndex := 0;
  end;
  FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
  SelectProcedure.Visible := not FExecuteOnly
end;

procedure TIBSelectSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
begin
  FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
  FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
end;

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

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

procedure TIBSelectSQLEditorForm.SetDatabase(Database: TIBDatabase);
begin
  IBTransaction1.DefaultDatabase := Database;
  FIBSystemTables.SelectDatabase(Database,IBTransaction1)
end;

end.

Revision:	7
Committed:	Sun Aug 5 18:28:19 2012 UTC (12 years, 4 months ago) by tony
Content type:	text/x-pascal
File size:	7082 byte(s)
Log Message:	Committing updates for Release R1-0-0
#	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 ibselectsqleditor;
28
29	{$mode objfpc}{$H+}
30
31	interface
32
33	uses
34	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35	StdCtrls, ComCtrls, IBSystemTables, IBDatabase;
36
37	type
38
39	{ TIBSelectSQLEditorForm }
40
41	TIBSelectSQLEditorForm = class(TForm)
42	Button1: TButton;
43	Button2: TButton;
44	GenerateBtn: TButton;
45	SelectProcedure: TLabel;
46	TestBtn: TButton;
47	FieldList: TListBox;
48	IBTransaction1: TIBTransaction;
49	Label1: TLabel;
50	Label16: TLabel;
51	Label17: TLabel;
52	Label18: TLabel;
53	Label2: TLabel;
54	Label3: TLabel;
55	Label4: TLabel;
56	PageControl: TPageControl;
57	PrimaryKeyList: TListBox;
58	ProcedureNames: TComboBox;
59	ProcInputList: TListBox;
60	ProcOutputList: TListBox;
61	QuoteFields: TCheckBox;
62	SQLText: TMemo;
63	TableNamesCombo: TComboBox;
64	SelectPage: TTabSheet;
65	ExecutePage: TTabSheet;
66	procedure GenerateBtnClick(Sender: TObject);
67	procedure TestBtnClick(Sender: TObject);
68	procedure ExecutePageShow(Sender: TObject);
69	procedure FieldListDblClick(Sender: TObject);
70	procedure FormShow(Sender: TObject);
71	procedure PrimaryKeyListDblClick(Sender: TObject);
72	procedure ProcedureNamesCloseUp(Sender: TObject);
73	procedure SelectPageShow(Sender: TObject);
74	procedure TableNamesComboCloseUp(Sender: TObject);
75	private
76	{ private declarations }
77	FIBSystemTables: TIBSystemTables;
78	FExecuteOnly: boolean;
79	public
80	{ public declarations }
81	constructor Create(TheOwner: TComponent); override;
82	destructor Destroy; override;
83	procedure SetDatabase(Database: TIBDatabase);
84	end;
85
86	var
87	IBSelectSQLEditorForm: TIBSelectSQLEditorForm;
88
89	function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean;
90
91	implementation
92
93	uses IBSQL;
94
95	{$R *.lfm}
96
97	function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean;
98	begin
99	Result := false;
100	if assigned(Database) then
101	try
102	Database.Connected := true;
103	except on E: Exception do
104	ShowMessage(E.Message)
105	end;
106
107	with TIBSelectSQLEditorForm.Create(Application) do
108	try
109	SetDatabase(Database);
110	SQLText.Lines.Assign(SelectSQL);
111	Result := ShowModal = mrOK;
112	if Result then
113	SelectSQL.Assign(SQLText.Lines)
114	finally
115	Free
116	end;
117	end;
118
119	{ TIBSelectSQLEditorForm }
120
121	procedure TIBSelectSQLEditorForm.FormShow(Sender: TObject);
122	var IsProcedureName: boolean;
123	begin
124	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
125	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
126	if Trim(SQLText.Text) <> '' then
127	begin
128	try
129	FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
130	except end;
131	if IsProcedureName then
132	PageControl.ActivePage := ExecutePage
133	else
134	PageControl.ActivePage := SelectPage;
135	end
136	else
137	PageControl.ActivePage := SelectPage;
138	end;
139
140	procedure TIBSelectSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
141	begin
142	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
143	SQLText.SetFocus
144	end;
145
146	procedure TIBSelectSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
147	begin
148	FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
149	SelectProcedure.Visible := not FExecuteOnly
150	end;
151
152	procedure TIBSelectSQLEditorForm.SelectPageShow(Sender: TObject);
153	var TableName: string;
154	begin
155	TableNamesCombo.Items.Clear;
156	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
157	if TableNamesCombo.Items.Count > 0 then
158	begin
159	TableNamesCombo.ItemIndex := 0;
160	if Trim(SQLText.Text) <> '' then
161	begin
162	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
163	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
164	end;
165	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
166	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
167	end;
168	end;
169
170	procedure TIBSelectSQLEditorForm.FieldListDblClick(Sender: TObject);
171	begin
172	SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
173	SQLText.SetFocus
174	end;
175
176	procedure TIBSelectSQLEditorForm.GenerateBtnClick(Sender: TObject);
177	var FieldNames: TStrings;
178	begin
179	if PageControl.ActivePage = ExecutePage then
180	FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,FExecuteOnly,
181	ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
182	else
183	begin
184	FieldNames := FIBSystemTables.GetFieldNames(FieldList);
185	try
186	FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines)
187	finally
188	FieldNames.Free
189	end;
190	end;
191	end;
192
193	procedure TIBSelectSQLEditorForm.TestBtnClick(Sender: TObject);
194	begin
195	FIBSystemTables.TestSQL(SQLText.Lines.Text)
196	end;
197
198	procedure TIBSelectSQLEditorForm.ExecutePageShow(Sender: TObject);
199	var ProcName: string;
200	IsProcedureName: boolean;
201	begin
202	FIBSystemTables.GetProcedureNames(ProcedureNames.Items,true);
203	if ProcedureNames.Items.Count > 0 then
204	begin
205	if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
206	begin
207	FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
208	ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
209	end
210	else
211	ProcedureNames.ItemIndex := 0;
212	end;
213	FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
214	SelectProcedure.Visible := not FExecuteOnly
215	end;
216
217	procedure TIBSelectSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
218	begin
219	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
220	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
221	end;
222
223	constructor TIBSelectSQLEditorForm.Create(TheOwner: TComponent);
224	begin
225	inherited Create(TheOwner);
226	FIBSystemTables := TIBSystemTables.Create;
227	end;
228
229	destructor TIBSelectSQLEditorForm.Destroy;
230	begin
231	if assigned(FIBSystemTables) then FIBSystemTables.Free;
232	inherited Destroy;
233	end;
234
235	procedure TIBSelectSQLEditorForm.SetDatabase(Database: TIBDatabase);
236	begin
237	IBTransaction1.DefaultDatabase := Database;
238	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
239	end;
240
241	end.
242