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, IB;

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

{$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:	45
Committed:	Tue Dec 6 10:33:46 2016 UTC (7 years, 11 months ago) by tony
Content type:	text/x-pascal
File size:	7372 byte(s)
Log Message:	Committing updates for Release R2-0-0
#	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, IBCustomDataSet, IB;
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	{$R *.lfm}
93
94	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
95	begin
96	Result := false;
97	if assigned(DataSet) and assigned(DataSet.Database) then
98	try
99	DataSet.Database.Connected := true;
100	except on E: Exception do
101	ShowMessage(E.Message)
102	end;
103
104	with TIBSelectSQLEditorForm.Create(Application) do
105	try
106	if assigned(DataSet) then
107	begin
108	SetDatabase(DataSet.Database);
109	GenerateParams.Checked := DataSet.GenerateParamNames;
110	end;
111	SQLText.Lines.Assign(SelectSQL);
112	Result := ShowModal = mrOK;
113	if Result then
114	begin
115	SelectSQL.Assign(SQLText.Lines);
116	if assigned(DataSet) then
117	DataSet.GenerateParamNames := GenerateParams.Checked
118	end;
119	finally
120	Free
121	end;
122	end;
123
124	{ TIBSelectSQLEditorForm }
125
126	procedure TIBSelectSQLEditorForm.FormShow(Sender: TObject);
127	var IsProcedureName: boolean;
128	begin
129	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
130	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
131	if Trim(SQLText.Text) <> '' then
132	begin
133	try
134	FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
135	except end;
136	if IsProcedureName then
137	PageControl.ActivePage := ExecutePage
138	else
139	PageControl.ActivePage := SelectPage;
140	end
141	else
142	PageControl.ActivePage := SelectPage;
143	end;
144
145	procedure TIBSelectSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
146	begin
147	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
148	SQLText.SetFocus
149	end;
150
151	procedure TIBSelectSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
152	begin
153	FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
154	SelectProcedure.Visible := not FExecuteOnly
155	end;
156
157	procedure TIBSelectSQLEditorForm.SelectPageShow(Sender: TObject);
158	var TableName: string;
159	begin
160	TableNamesCombo.Items.Clear;
161	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
162	if TableNamesCombo.Items.Count > 0 then
163	begin
164	TableNamesCombo.ItemIndex := 0;
165	if Trim(SQLText.Text) <> '' then
166	begin
167	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
168	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
169	end;
170	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
171	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
172	end;
173	end;
174
175	procedure TIBSelectSQLEditorForm.FieldListDblClick(Sender: TObject);
176	begin
177	SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
178	SQLText.SetFocus
179	end;
180
181	procedure TIBSelectSQLEditorForm.GenerateBtnClick(Sender: TObject);
182	var FieldNames: TStrings;
183	begin
184	if PageControl.ActivePage = ExecutePage then
185	FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,FExecuteOnly,
186	ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
187	else
188	begin
189	FieldNames := FIBSystemTables.GetFieldNames(FieldList);
190	try
191	FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines)
192	finally
193	FieldNames.Free
194	end;
195	end;
196	end;
197
198	procedure TIBSelectSQLEditorForm.TestBtnClick(Sender: TObject);
199	begin
200	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
201	end;
202
203	procedure TIBSelectSQLEditorForm.ExecutePageShow(Sender: TObject);
204	var ProcName: string;
205	IsProcedureName: boolean;
206	begin
207	FIBSystemTables.GetProcedureNames(ProcedureNames.Items,true);
208	if ProcedureNames.Items.Count > 0 then
209	begin
210	if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
211	begin
212	FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
213	ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
214	end
215	else
216	ProcedureNames.ItemIndex := 0;
217	end;
218	FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
219	SelectProcedure.Visible := not FExecuteOnly
220	end;
221
222	procedure TIBSelectSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
223	begin
224	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
225	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
226	end;
227
228	constructor TIBSelectSQLEditorForm.Create(TheOwner: TComponent);
229	begin
230	inherited Create(TheOwner);
231	FIBSystemTables := TIBSystemTables.Create;
232	end;
233
234	destructor TIBSelectSQLEditorForm.Destroy;
235	begin
236	if assigned(FIBSystemTables) then FIBSystemTables.Free;
237	inherited Destroy;
238	end;
239
240	procedure TIBSelectSQLEditorForm.SetDatabase(Database: TIBDatabase);
241	begin
242	IBTransaction1.DefaultDatabase := Database;
243	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
244	end;
245
246	end.