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 (11 years, 8 months ago) by tony
Content type:	text/x-pascal
File size:	7082 byte(s)
Log Message:	Committing updates for Release R1-0-0
#	User	Rev	Content
1	tony	7	(*
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	tony	5	unit ibselectsqleditor;
28
29			{$mode objfpc}{$H+}
30
31			interface
32
33			uses
34	tony	7	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35			StdCtrls, ComCtrls, IBSystemTables, IBDatabase;
36	tony	5
37			type
38
39			{ TIBSelectSQLEditorForm }
40
41			TIBSelectSQLEditorForm = class(TForm)
42			Button1: TButton;
43			Button2: TButton;
44	tony	7	GenerateBtn: TButton;
45			SelectProcedure: TLabel;
46			TestBtn: TButton;
47	tony	5	FieldList: TListBox;
48	tony	7	IBTransaction1: TIBTransaction;
49	tony	5	Label1: TLabel;
50	tony	7	Label16: TLabel;
51			Label17: TLabel;
52			Label18: TLabel;
53	tony	5	Label2: TLabel;
54			Label3: TLabel;
55			Label4: TLabel;
56	tony	7	PageControl: TPageControl;
57	tony	5	PrimaryKeyList: TListBox;
58	tony	7	ProcedureNames: TComboBox;
59			ProcInputList: TListBox;
60			ProcOutputList: TListBox;
61	tony	5	QuoteFields: TCheckBox;
62			SQLText: TMemo;
63			TableNamesCombo: TComboBox;
64	tony	7	SelectPage: TTabSheet;
65			ExecutePage: TTabSheet;
66			procedure GenerateBtnClick(Sender: TObject);
67			procedure TestBtnClick(Sender: TObject);
68			procedure ExecutePageShow(Sender: TObject);
69	tony	5	procedure FieldListDblClick(Sender: TObject);
70			procedure FormShow(Sender: TObject);
71			procedure PrimaryKeyListDblClick(Sender: TObject);
72	tony	7	procedure ProcedureNamesCloseUp(Sender: TObject);
73			procedure SelectPageShow(Sender: TObject);
74	tony	5	procedure TableNamesComboCloseUp(Sender: TObject);
75			private
76			{ private declarations }
77			FIBSystemTables: TIBSystemTables;
78	tony	7	FExecuteOnly: boolean;
79	tony	5	public
80			{ public declarations }
81			constructor Create(TheOwner: TComponent); override;
82			destructor Destroy; override;
83	tony	7	procedure SetDatabase(Database: TIBDatabase);
84	tony	5	end;
85
86			var
87			IBSelectSQLEditorForm: TIBSelectSQLEditorForm;
88
89	tony	7	function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean;
90	tony	5
91			implementation
92
93	tony	7	uses IBSQL;
94
95			{$R *.lfm}
96
97			function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean;
98	tony	5	begin
99			Result := false;
100			if assigned(Database) then
101	tony	7	try
102			Database.Connected := true;
103			except on E: Exception do
104			ShowMessage(E.Message)
105	tony	5	end;
106
107			with TIBSelectSQLEditorForm.Create(Application) do
108			try
109	tony	7	SetDatabase(Database);
110	tony	5	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	tony	7	var IsProcedureName: boolean;
123	tony	5	begin
124	tony	7	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	tony	5	TableNamesCombo.Items.Clear;
156			FIBSystemTables.GetTableNames(TableNamesCombo.Items);
157			if TableNamesCombo.Items.Count > 0 then
158			begin
159			TableNamesCombo.ItemIndex := 0;
160	tony	7	if Trim(SQLText.Text) <> '' then
161			begin
162			FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
163			TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
164			end;
165	tony	5	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	tony	7	procedure TIBSelectSQLEditorForm.GenerateBtnClick(Sender: TObject);
177			var FieldNames: TStrings;
178	tony	5	begin
179	tony	7	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	tony	5	end;
192
193	tony	7	procedure TIBSelectSQLEditorForm.TestBtnClick(Sender: TObject);
194	tony	5	begin
195			FIBSystemTables.TestSQL(SQLText.Lines.Text)
196			end;
197
198	tony	7	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	tony	5	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	tony	7	procedure TIBSelectSQLEditorForm.SetDatabase(Database: TIBDatabase);
236	tony	5	begin
237	tony	7	IBTransaction1.DefaultDatabase := Database;
238			FIBSystemTables.SelectDatabase(Database,IBTransaction1)
239	tony	5	end;
240
241			end.
242