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, IBCustomDataSet;

type

  { TIBSelectSQLEditorForm }

  TIBSelectSQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    GenerateBtn: TButton;
    GenerateParams: TCheckBox;
    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; 


function EditSQL(DataSet: TIBCustomDataSet;  SelectSQL: TStrings): boolean;

implementation

uses IBSQL;

{$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 TIBSelectSQLEditorForm.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;

{ 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,GenerateParams.Checked)
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:	19
Committed:	Mon Jul 7 13:00:15 2014 UTC (10 years, 4 months ago) by tony
Content type:	text/x-pascal
File size:	7630 byte(s)
Log Message:	Committing updates for Release R1-1-0
#	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, IBCustomDataSet;
36
37	type
38
39	{ TIBSelectSQLEditorForm }
40
41	TIBSelectSQLEditorForm = class(TForm)
42	Button1: TButton;
43	Button2: TButton;
44	GenerateBtn: TButton;
45	GenerateParams: TCheckBox;
46	SelectProcedure: TLabel;
47	TestBtn: TButton;
48	FieldList: TListBox;
49	IBTransaction1: TIBTransaction;
50	Label1: TLabel;
51	Label16: TLabel;
52	Label17: TLabel;
53	Label18: TLabel;
54	Label2: TLabel;
55	Label3: TLabel;
56	Label4: TLabel;
57	PageControl: TPageControl;
58	PrimaryKeyList: TListBox;
59	ProcedureNames: TComboBox;
60	ProcInputList: TListBox;
61	ProcOutputList: TListBox;
62	QuoteFields: TCheckBox;
63	SQLText: TMemo;
64	TableNamesCombo: TComboBox;
65	SelectPage: TTabSheet;
66	ExecutePage: TTabSheet;
67	procedure GenerateBtnClick(Sender: TObject);
68	procedure TestBtnClick(Sender: TObject);
69	procedure ExecutePageShow(Sender: TObject);
70	procedure FieldListDblClick(Sender: TObject);
71	procedure FormShow(Sender: TObject);
72	procedure PrimaryKeyListDblClick(Sender: TObject);
73	procedure ProcedureNamesCloseUp(Sender: TObject);
74	procedure SelectPageShow(Sender: TObject);
75	procedure TableNamesComboCloseUp(Sender: TObject);
76	private
77	{ private declarations }
78	FIBSystemTables: TIBSystemTables;
79	FExecuteOnly: boolean;
80	public
81	{ public declarations }
82	constructor Create(TheOwner: TComponent); override;
83	destructor Destroy; override;
84	procedure SetDatabase(Database: TIBDatabase);
85	end;
86
87
88	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
89
90	implementation
91
92	uses IBSQL;
93
94	{$R *.lfm}
95
96	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
97	begin
98	Result := false;
99	if assigned(DataSet) and assigned(DataSet.Database) then
100	try
101	DataSet.Database.Connected := true;
102	except on E: Exception do
103	ShowMessage(E.Message)
104	end;
105
106	with TIBSelectSQLEditorForm.Create(Application) do
107	try
108	if assigned(DataSet) then
109	begin
110	SetDatabase(DataSet.Database);
111	GenerateParams.Checked := DataSet.GenerateParamNames;
112	end;
113	SQLText.Lines.Assign(SelectSQL);
114	Result := ShowModal = mrOK;
115	if Result then
116	begin
117	SelectSQL.Assign(SQLText.Lines);
118	if assigned(DataSet) then
119	DataSet.GenerateParamNames := GenerateParams.Checked
120	end;
121	finally
122	Free
123	end;
124	end;
125
126	{ TIBSelectSQLEditorForm }
127
128	procedure TIBSelectSQLEditorForm.FormShow(Sender: TObject);
129	var IsProcedureName: boolean;
130	begin
131	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
132	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
133	if Trim(SQLText.Text) <> '' then
134	begin
135	try
136	FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
137	except end;
138	if IsProcedureName then
139	PageControl.ActivePage := ExecutePage
140	else
141	PageControl.ActivePage := SelectPage;
142	end
143	else
144	PageControl.ActivePage := SelectPage;
145	end;
146
147	procedure TIBSelectSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
148	begin
149	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
150	SQLText.SetFocus
151	end;
152
153	procedure TIBSelectSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
154	begin
155	FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
156	SelectProcedure.Visible := not FExecuteOnly
157	end;
158
159	procedure TIBSelectSQLEditorForm.SelectPageShow(Sender: TObject);
160	var TableName: string;
161	begin
162	TableNamesCombo.Items.Clear;
163	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
164	if TableNamesCombo.Items.Count > 0 then
165	begin
166	TableNamesCombo.ItemIndex := 0;
167	if Trim(SQLText.Text) <> '' then
168	begin
169	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
170	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
171	end;
172	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
173	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
174	end;
175	end;
176
177	procedure TIBSelectSQLEditorForm.FieldListDblClick(Sender: TObject);
178	begin
179	SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
180	SQLText.SetFocus
181	end;
182
183	procedure TIBSelectSQLEditorForm.GenerateBtnClick(Sender: TObject);
184	var FieldNames: TStrings;
185	begin
186	if PageControl.ActivePage = ExecutePage then
187	FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,FExecuteOnly,
188	ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
189	else
190	begin
191	FieldNames := FIBSystemTables.GetFieldNames(FieldList);
192	try
193	FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines)
194	finally
195	FieldNames.Free
196	end;
197	end;
198	end;
199
200	procedure TIBSelectSQLEditorForm.TestBtnClick(Sender: TObject);
201	begin
202	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
203	end;
204
205	procedure TIBSelectSQLEditorForm.ExecutePageShow(Sender: TObject);
206	var ProcName: string;
207	IsProcedureName: boolean;
208	begin
209	FIBSystemTables.GetProcedureNames(ProcedureNames.Items,true);
210	if ProcedureNames.Items.Count > 0 then
211	begin
212	if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
213	begin
214	FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
215	ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
216	end
217	else
218	ProcedureNames.ItemIndex := 0;
219	end;
220	FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
221	SelectProcedure.Visible := not FExecuteOnly
222	end;
223
224	procedure TIBSelectSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
225	begin
226	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
227	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
228	end;
229
230	constructor TIBSelectSQLEditorForm.Create(TheOwner: TComponent);
231	begin
232	inherited Create(TheOwner);
233	FIBSystemTables := TIBSystemTables.Create;
234	end;
235
236	destructor TIBSelectSQLEditorForm.Destroy;
237	begin
238	if assigned(FIBSystemTables) then FIBSystemTables.Free;
239	inherited Destroy;
240	end;
241
242	procedure TIBSelectSQLEditorForm.SetDatabase(Database: TIBDatabase);
243	begin
244	IBTransaction1.DefaultDatabase := Database;
245	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
246	end;
247
248	end.
249