trunk/design/ibmodifysqleditor.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 ibmodifysqleditor;

{$mode objfpc}{$H+}

interface

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

type

  { TIBModifySQLEditorForm }

  TIBModifySQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    FieldList: TListBox;
    GenerateBtn: TButton;
    GenerateParams: TCheckBox;
    IncludePrimaryKeys: TCheckBox;
    Label1: TLabel;
    Label16: TLabel;
    Label17: TLabel;
    Label18: TLabel;
    Label2: TLabel;
    Label4: TLabel;
    ExecuteOnlyIndicator: TLabel;
    PageControl: TPageControl;
    PrimaryKeyList: TListBox;
    ProcedureNames: TComboBox;
    ProcInputList: TListBox;
    ProcOutputList: TListBox;
    TableNamesCombo: TComboBox;
    ModifyPage: TTabSheet;
    ExecutePage: TTabSheet;
    TestBtn: TButton;
    IBTransaction1: TIBTransaction;
    Label3: TLabel;
    QuoteFields: TCheckBox;
    SQLText: TMemo;
    procedure ExecutePageShow(Sender: TObject);
    procedure GenerateBtnClick(Sender: TObject);
    procedure ModifyPageShow(Sender: TObject);
    procedure ProcedureNamesCloseUp(Sender: TObject);
    procedure TestBtnClick(Sender: TObject);
    procedure FieldListDblClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure PrimaryKeyListDblClick(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
  IBModifySQLEditorForm: TIBModifySQLEditorForm;

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 TIBModifySQLEditorForm.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;

{ TIBModifySQLEditorForm }

procedure TIBModifySQLEditorForm.FormShow(Sender: TObject);
var IsProcedureName: boolean;
    SQLType: TIBSQLStatementTypes;
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
      SQLType := FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
    except  end;
    if SQLType = SQLExecProcedure then
      PageControl.ActivePage := ExecutePage
    else
      PageControl.ActivePage := ModifyPage;
  end
  else
    PageControl.ActivePage := ModifyPage;
end;

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

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

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

procedure TIBModifySQLEditorForm.ExecutePageShow(Sender: TObject);
var ProcName: string;
    IsProcedureName: boolean;
begin
  FIBSystemTables.GetProcedureNames(ProcedureNames.Items,false);
  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;
  ProcedureNamesCloseUp(nil);
end;

procedure TIBModifySQLEditorForm.ModifyPageShow(Sender: TObject);
var TableName: string;
begin
  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,IncludePrimaryKeys.checked,false);
    FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
  end;
  except {ignore}  end;
end;

procedure TIBModifySQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
var ExecuteOnly: boolean;
begin
  FIBSystemTables.GetProcParams(ProcedureNames.Text,ExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
  ExecuteOnlyIndicator.Visible := ExecuteOnly;
end;

procedure TIBModifySQLEditorForm.TestBtnClick(Sender: TObject);
begin
  FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
end;

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

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

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

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

end.
Revision:	45
Committed:	Tue Dec 6 10:33:46 2016 UTC (8 years ago) by tony
Content type:	text/x-pascal
File size:	7496 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 ibmodifysqleditor;
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	{ TIBModifySQLEditorForm }
40
41	TIBModifySQLEditorForm = class(TForm)
42	Button1: TButton;
43	Button2: TButton;
44	FieldList: TListBox;
45	GenerateBtn: TButton;
46	GenerateParams: TCheckBox;
47	IncludePrimaryKeys: TCheckBox;
48	Label1: TLabel;
49	Label16: TLabel;
50	Label17: TLabel;
51	Label18: TLabel;
52	Label2: TLabel;
53	Label4: TLabel;
54	ExecuteOnlyIndicator: TLabel;
55	PageControl: TPageControl;
56	PrimaryKeyList: TListBox;
57	ProcedureNames: TComboBox;
58	ProcInputList: TListBox;
59	ProcOutputList: TListBox;
60	TableNamesCombo: TComboBox;
61	ModifyPage: TTabSheet;
62	ExecutePage: TTabSheet;
63	TestBtn: TButton;
64	IBTransaction1: TIBTransaction;
65	Label3: TLabel;
66	QuoteFields: TCheckBox;
67	SQLText: TMemo;
68	procedure ExecutePageShow(Sender: TObject);
69	procedure GenerateBtnClick(Sender: TObject);
70	procedure ModifyPageShow(Sender: TObject);
71	procedure ProcedureNamesCloseUp(Sender: TObject);
72	procedure TestBtnClick(Sender: TObject);
73	procedure FieldListDblClick(Sender: TObject);
74	procedure FormShow(Sender: TObject);
75	procedure PrimaryKeyListDblClick(Sender: TObject);
76	procedure TableNamesComboCloseUp(Sender: TObject);
77	private
78	{ private declarations }
79	FIBSystemTables: TIBSystemTables;
80	public
81	{ public declarations }
82	constructor Create(TheOwner: TComponent); override;
83	destructor Destroy; override;
84	procedure SetDatabase(Database: TIBDatabase);
85	end;
86
87	var
88	IBModifySQLEditorForm: TIBModifySQLEditorForm;
89
90	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
91
92	implementation
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 TIBModifySQLEditorForm.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	{ TIBModifySQLEditorForm }
127
128	procedure TIBModifySQLEditorForm.FormShow(Sender: TObject);
129	var IsProcedureName: boolean;
130	SQLType: TIBSQLStatementTypes;
131	begin
132	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
133	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
134	if Trim(SQLText.Text) <> '' then
135	begin
136	try
137	SQLType := FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
138	except end;
139	if SQLType = SQLExecProcedure then
140	PageControl.ActivePage := ExecutePage
141	else
142	PageControl.ActivePage := ModifyPage;
143	end
144	else
145	PageControl.ActivePage := ModifyPage;
146	end;
147
148	procedure TIBModifySQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
149	begin
150	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
151	SQLText.SetFocus
152	end;
153
154	procedure TIBModifySQLEditorForm.FieldListDblClick(Sender: TObject);
155	begin
156	SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
157	SQLText.SetFocus
158	end;
159
160	procedure TIBModifySQLEditorForm.GenerateBtnClick(Sender: TObject);
161	var FieldNames: TStrings;
162	begin
163	if PageControl.ActivePage = ExecutePage then
164	FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,true,
165	ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
166	else
167	begin
168	FieldNames := FIBSystemTables.GetFieldNames(FieldList);
169	try
170	FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
171	FieldNames,SQLText.Lines)
172	finally
173	FieldNames.Free
174	end;
175	end;
176	end;
177
178	procedure TIBModifySQLEditorForm.ExecutePageShow(Sender: TObject);
179	var ProcName: string;
180	IsProcedureName: boolean;
181	begin
182	FIBSystemTables.GetProcedureNames(ProcedureNames.Items,false);
183	if ProcedureNames.Items.Count > 0 then
184	begin
185	if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
186	begin
187	FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
188	ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
189	end
190	else
191	ProcedureNames.ItemIndex := 0;
192	end;
193	ProcedureNamesCloseUp(nil);
194	end;
195
196	procedure TIBModifySQLEditorForm.ModifyPageShow(Sender: TObject);
197	var TableName: string;
198	begin
199	TableNamesCombo.Items.Clear;
200	try
201	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
202	if TableNamesCombo.Items.Count > 0 then
203	begin
204	TableNamesCombo.ItemIndex := 0;
205	if Trim(SQLText.Text) <> '' then
206	begin
207	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
208	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
209	end;
210	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
211	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
212	end;
213	except {ignore} end;
214	end;
215
216	procedure TIBModifySQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
217	var ExecuteOnly: boolean;
218	begin
219	FIBSystemTables.GetProcParams(ProcedureNames.Text,ExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
220	ExecuteOnlyIndicator.Visible := ExecuteOnly;
221	end;
222
223	procedure TIBModifySQLEditorForm.TestBtnClick(Sender: TObject);
224	begin
225	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
226	end;
227
228	procedure TIBModifySQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
229	begin
230	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
231	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
232	end;
233
234	constructor TIBModifySQLEditorForm.Create(TheOwner: TComponent);
235	begin
236	inherited Create(TheOwner);
237	FIBSystemTables := TIBSystemTables.Create;
238	end;
239
240	destructor TIBModifySQLEditorForm.Destroy;
241	begin
242	if assigned(FIBSystemTables) then FIBSystemTables.Free;
243	inherited Destroy;
244	end;
245
246	procedure TIBModifySQLEditorForm.SetDatabase(Database: TIBDatabase);
247	begin
248	IBTransaction1.DefaultDatabase := Database;
249	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
250	end;
251
252	end.