trunk/design/ibdataseteditor.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 IBDataSetEditor;

{$mode objfpc}{$H+}

interface

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

type

  { TIBDataSetEditorForm }

  TIBDataSetEditorForm = class(TForm)
    GenerateParams: TCheckBox;
    TestBtn: TButton;
    CancelButton: TButton;
    FieldsPage: TTabSheet;
    GenerateButton: TButton;
    GroupBox1: TGroupBox;
    IBTransaction1: TIBTransaction;
    IncludePrimaryKeys: TCheckBox;
    PrimaryKeyList: TListBox;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    OkButton: TButton;
    PageControl: TPageControl;
    QuoteFields: TCheckBox;
    SQLMemo: TMemo;
    SQLPage: TTabSheet;
    StatementType: TRadioGroup;
    FieldList: TListBox;
    TableNamesCombo: TComboBox;
    procedure TestBtnClick(Sender: TObject);
    procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
    procedure FormShow(Sender: TObject);
    procedure GenerateButtonClick(Sender: TObject);
    procedure SQLMemoChange(Sender: TObject);
    procedure SQLPageShow(Sender: TObject);
    procedure StatementTypeClick(Sender: TObject);
    procedure TableNamesComboCloseUp(Sender: TObject);
  private
    { private declarations }
    FDataSet: TIBDataSet;
    FIBSystemTables: TIBSystemTables;
    FDirty: boolean;
    FCurrentStatement: integer;
    FSelectSQL: TStringList;
    FModifySQL: TStringList;
    FInsertSQL: TStringList;
    FDeleteSQL: TStringList;
    FRefreshSQL: TStringList;
    procedure UpdateSQLMemo;
  public
    { public declarations }
    constructor Create(TheOwner: TComponent); override;
    destructor Destroy; override;
    procedure SetDataSet(AObject: TIBDataSet);
  end;

var
  IBDataSetEditorForm: TIBDataSetEditorForm;

function EditIBDataSet(DataSet: TIBDataSet): boolean;

implementation

{$R *.lfm}

function EditIBDataSet(DataSet: TIBDataSet): 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 TIBDataSetEditorForm.Create(Application) do
  try
    SetDataSet(DataSet);
    if assigned(DataSet) then
        GenerateParams.Checked := DataSet.GenerateParamNames;
    Result := ShowModal = mrOK;
    if Result and assigned(DataSet) then
      DataSet.GenerateParamNames := GenerateParams.Checked
  finally
    Free
  end;

end;

{ TIBDataSetEditorForm }

procedure TIBDataSetEditorForm.FormShow(Sender: TObject);
var TableName: string;
begin
  PageControl.ActivePage := FieldsPage;
  FModifySQL.Assign(FDataSet.ModifySQL);
  FInsertSQL.Assign(FDataSet.InsertSQL);
  FDeleteSQL.Assign(FDataSet.DeleteSQL);
  FRefreshSQL.Assign(FDataSet.RefreshSQL);
  FSelectSQL.Assign(FDataSet.SelectSQL);
  GenerateButton.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  FCurrentStatement := -1;
  TableNamesCombo.Items.Clear;
  FIBSystemTables.GetTableNames(TableNamesCombo.Items);
  if TableNamesCombo.Items.Count > 0 then
  begin
    TableNamesCombo.ItemIndex := 0;
    if FSelectSQL.Text <> '' then
    try
       FIBSystemTables.GetTableAndColumns(FSelectSQL.Text,TableName,nil);
       TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName);
    except end;//ignore
    FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
    FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
  end;
end;

procedure TIBDataSetEditorForm.FormClose(Sender: TObject;
  var CloseAction: TCloseAction);
begin
  if ModalResult = mrOK then
  begin
    UpdateSQLMemo;
    FDataSet.ModifySQL.Assign(FModifySQL);
    FDataSet.InsertSQL.Assign(FInsertSQL);
    FDataSet.DeleteSQL.Assign(FDeleteSQL);
    FDataSet.RefreshSQL.Assign(FRefreshSQL);
    FDataSet.SelectSQL.Assign(FSelectSQL);
  end;
end;

procedure TIBDataSetEditorForm.TestBtnClick(Sender: TObject);
begin
  if SQLMemo.Lines.Text <> '' then
    FIBSystemTables.TestSQL(SQLMemo.Lines.Text,GenerateParams.Checked);
end;

procedure TIBDataSetEditorForm.GenerateButtonClick(Sender: TObject);
var FieldNames: TStringList;
    I: integer;
begin
  FieldNames := TStringList.Create;
  try
    FRefreshSQL.Clear;
    FSelectSQL.Clear;
    FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldNames);
    FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,FSelectSQL);
    FIBSystemTables.GenerateRefreshSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,FRefreshSQL);
    FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,FDeleteSQL);
    FieldNames.Clear;
    FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldNames,true,false);
    FIBSystemTables.GenerateInsertSQL(TableNamesCombo.Text,QuoteFields.Checked,
        FieldNames,FInsertSQL);
    if FieldList.SelCount = 0 then
    begin
      FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
        FieldList.Items,FModifySQL);

    end
    else
    begin
      FieldNames.Clear;
      for I := 0 to FieldList.Items.Count - 1 do
        if FieldList.Selected[I] then
          FieldNames.Add(FieldList.Items[I]);
      FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
        FieldNames,FModifySQL);
    end;
    FDirty := false;
    PageControl.ActivePage := SQLPage;
  finally
    FieldNames.Free
  end;
end;

procedure TIBDataSetEditorForm.SQLMemoChange(Sender: TObject);
begin
  FDirty := true
end;

procedure TIBDataSetEditorForm.SQLPageShow(Sender: TObject);
begin
  UpdateSQLMemo
end;

procedure TIBDataSetEditorForm.StatementTypeClick(Sender: TObject);
begin
  UpdateSQLMemo
end;

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

procedure TIBDataSetEditorForm.UpdateSQLMemo;
begin
  if FDirty then
    case FCurrentStatement of
    0: // Select
        FSelectSQL.Assign(SQLMemo.Lines);
    1: //Modify
        FModifySQL.Assign(SQLMemo.Lines);
    2: //Insert
        FInsertSQL.Assign(SQLMemo.Lines);
    3: // Delete
        FDeleteSQL.Assign(SQLMemo.Lines);
    4: //Refresh
        FRefreshSQL.Assign(SQLMemo.Lines);
    end;
  FDirty := false;
  case StatementType.ItemIndex of
  0: //Select
     SQLMemo.Lines.Assign(FSelectSQL);
  1: // Modify
    SQLMemo.Lines.Assign(FModifySQL)  ;
  2: //Insert
    SQLMemo.Lines.Assign(FInsertSQL)  ;
  3: // Delete
    SQLMemo.Lines.Assign(FDeleteSQL)  ;
  4: //Refresh
    SQLMemo.Lines.Assign(FRefreshSQL)  ;
  end;
  FCurrentStatement := StatementType.ItemIndex;
end;

constructor TIBDataSetEditorForm.Create(TheOwner: TComponent);
begin
  inherited Create(TheOwner);
  FIBSystemTables := TIBSystemTables.Create;
  FModifySQL := TStringList.Create;
  FInsertSQL := TStringList.Create;
  FDeleteSQL := TStringList.Create;
  FRefreshSQL := TStringList.Create;
  FSelectSQL := TStringList.Create;
end;

destructor TIBDataSetEditorForm.Destroy;
begin
  if assigned(FIBSystemTables) then FIBSystemTables.Free;
  if assigned(FModifySQL) then FModifySQL.Free;
  if assigned(FInsertSQL) then FInsertSQL.Free;
  if assigned(FDeleteSQL) then FDeleteSQL.Free;
  if assigned(FRefreshSQL) then FRefreshSQL.Free;
 if assigned(FSelectSQL) then FSelectSQL.Free;
  inherited Destroy;
end;

procedure TIBDataSetEditorForm.SetDataSet(AObject: TIBDataSet);
begin
  FDataSet := AObject;
  IBTransaction1.DefaultDatabase := FDataSet.Database;
  if assigned(FDataSet) then
    FIBSystemTables.SelectDatabase(FDataSet.Database,IBTransaction1);
end;

end.
Revision:	33
Committed:	Sat Jul 18 12:30:52 2015 UTC (8 years, 9 months ago) by tony
Content type:	text/x-pascal
File size:	8739 byte(s)
Log Message:	Committing updates for Release R1-3-1
#	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 IBDataSetEditor;
28
29	{$mode objfpc}{$H+}
30
31	interface
32
33	uses
34	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35	ComCtrls, StdCtrls, ExtCtrls, IBSystemTables, IBCustomDataSet, IBDatabase;
36
37	type
38
39	{ TIBDataSetEditorForm }
40
41	TIBDataSetEditorForm = class(TForm)
42	GenerateParams: TCheckBox;
43	TestBtn: TButton;
44	CancelButton: TButton;
45	FieldsPage: TTabSheet;
46	GenerateButton: TButton;
47	GroupBox1: TGroupBox;
48	IBTransaction1: TIBTransaction;
49	IncludePrimaryKeys: TCheckBox;
50	PrimaryKeyList: TListBox;
51	Label1: TLabel;
52	Label2: TLabel;
53	Label3: TLabel;
54	Label4: TLabel;
55	OkButton: TButton;
56	PageControl: TPageControl;
57	QuoteFields: TCheckBox;
58	SQLMemo: TMemo;
59	SQLPage: TTabSheet;
60	StatementType: TRadioGroup;
61	FieldList: TListBox;
62	TableNamesCombo: TComboBox;
63	procedure TestBtnClick(Sender: TObject);
64	procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
65	procedure FormShow(Sender: TObject);
66	procedure GenerateButtonClick(Sender: TObject);
67	procedure SQLMemoChange(Sender: TObject);
68	procedure SQLPageShow(Sender: TObject);
69	procedure StatementTypeClick(Sender: TObject);
70	procedure TableNamesComboCloseUp(Sender: TObject);
71	private
72	{ private declarations }
73	FDataSet: TIBDataSet;
74	FIBSystemTables: TIBSystemTables;
75	FDirty: boolean;
76	FCurrentStatement: integer;
77	FSelectSQL: TStringList;
78	FModifySQL: TStringList;
79	FInsertSQL: TStringList;
80	FDeleteSQL: TStringList;
81	FRefreshSQL: TStringList;
82	procedure UpdateSQLMemo;
83	public
84	{ public declarations }
85	constructor Create(TheOwner: TComponent); override;
86	destructor Destroy; override;
87	procedure SetDataSet(AObject: TIBDataSet);
88	end;
89
90	var
91	IBDataSetEditorForm: TIBDataSetEditorForm;
92
93	function EditIBDataSet(DataSet: TIBDataSet): boolean;
94
95	implementation
96
97	{$R *.lfm}
98
99	function EditIBDataSet(DataSet: TIBDataSet): boolean;
100	begin
101	Result := false;
102	if assigned(DataSet) and assigned(DataSet.Database) then
103	try
104	DataSet.Database.Connected := true;
105	except on E: Exception do
106	ShowMessage(E.Message)
107	end;
108
109	with TIBDataSetEditorForm.Create(Application) do
110	try
111	SetDataSet(DataSet);
112	if assigned(DataSet) then
113	GenerateParams.Checked := DataSet.GenerateParamNames;
114	Result := ShowModal = mrOK;
115	if Result and assigned(DataSet) then
116	DataSet.GenerateParamNames := GenerateParams.Checked
117	finally
118	Free
119	end;
120
121	end;
122
123	{ TIBDataSetEditorForm }
124
125	procedure TIBDataSetEditorForm.FormShow(Sender: TObject);
126	var TableName: string;
127	begin
128	PageControl.ActivePage := FieldsPage;
129	FModifySQL.Assign(FDataSet.ModifySQL);
130	FInsertSQL.Assign(FDataSet.InsertSQL);
131	FDeleteSQL.Assign(FDataSet.DeleteSQL);
132	FRefreshSQL.Assign(FDataSet.RefreshSQL);
133	FSelectSQL.Assign(FDataSet.SelectSQL);
134	GenerateButton.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
135	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
136	FCurrentStatement := -1;
137	TableNamesCombo.Items.Clear;
138	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
139	if TableNamesCombo.Items.Count > 0 then
140	begin
141	TableNamesCombo.ItemIndex := 0;
142	if FSelectSQL.Text <> '' then
143	try
144	FIBSystemTables.GetTableAndColumns(FSelectSQL.Text,TableName,nil);
145	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName);
146	except end;//ignore
147	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
148	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
149	end;
150	end;
151
152	procedure TIBDataSetEditorForm.FormClose(Sender: TObject;
153	var CloseAction: TCloseAction);
154	begin
155	if ModalResult = mrOK then
156	begin
157	UpdateSQLMemo;
158	FDataSet.ModifySQL.Assign(FModifySQL);
159	FDataSet.InsertSQL.Assign(FInsertSQL);
160	FDataSet.DeleteSQL.Assign(FDeleteSQL);
161	FDataSet.RefreshSQL.Assign(FRefreshSQL);
162	FDataSet.SelectSQL.Assign(FSelectSQL);
163	end;
164	end;
165
166	procedure TIBDataSetEditorForm.TestBtnClick(Sender: TObject);
167	begin
168	if SQLMemo.Lines.Text <> '' then
169	FIBSystemTables.TestSQL(SQLMemo.Lines.Text,GenerateParams.Checked);
170	end;
171
172	procedure TIBDataSetEditorForm.GenerateButtonClick(Sender: TObject);
173	var FieldNames: TStringList;
174	I: integer;
175	begin
176	FieldNames := TStringList.Create;
177	try
178	FRefreshSQL.Clear;
179	FSelectSQL.Clear;
180	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldNames);
181	FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,FSelectSQL);
182	FIBSystemTables.GenerateRefreshSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,FRefreshSQL);
183	FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,FDeleteSQL);
184	FieldNames.Clear;
185	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldNames,true,false);
186	FIBSystemTables.GenerateInsertSQL(TableNamesCombo.Text,QuoteFields.Checked,
187	FieldNames,FInsertSQL);
188	if FieldList.SelCount = 0 then
189	begin
190	FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
191	FieldList.Items,FModifySQL);
192
193	end
194	else
195	begin
196	FieldNames.Clear;
197	for I := 0 to FieldList.Items.Count - 1 do
198	if FieldList.Selected[I] then
199	FieldNames.Add(FieldList.Items[I]);
200	FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
201	FieldNames,FModifySQL);
202	end;
203	FDirty := false;
204	PageControl.ActivePage := SQLPage;
205	finally
206	FieldNames.Free
207	end;
208	end;
209
210	procedure TIBDataSetEditorForm.SQLMemoChange(Sender: TObject);
211	begin
212	FDirty := true
213	end;
214
215	procedure TIBDataSetEditorForm.SQLPageShow(Sender: TObject);
216	begin
217	UpdateSQLMemo
218	end;
219
220	procedure TIBDataSetEditorForm.StatementTypeClick(Sender: TObject);
221	begin
222	UpdateSQLMemo
223	end;
224
225	procedure TIBDataSetEditorForm.TableNamesComboCloseUp(Sender: TObject);
226	begin
227	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
228	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
229	end;
230
231	procedure TIBDataSetEditorForm.UpdateSQLMemo;
232	begin
233	if FDirty then
234	case FCurrentStatement of
235	0: // Select
236	FSelectSQL.Assign(SQLMemo.Lines);
237	1: //Modify
238	FModifySQL.Assign(SQLMemo.Lines);
239	2: //Insert
240	FInsertSQL.Assign(SQLMemo.Lines);
241	3: // Delete
242	FDeleteSQL.Assign(SQLMemo.Lines);
243	4: //Refresh
244	FRefreshSQL.Assign(SQLMemo.Lines);
245	end;
246	FDirty := false;
247	case StatementType.ItemIndex of
248	0: //Select
249	SQLMemo.Lines.Assign(FSelectSQL);
250	1: // Modify
251	SQLMemo.Lines.Assign(FModifySQL) ;
252	2: //Insert
253	SQLMemo.Lines.Assign(FInsertSQL) ;
254	3: // Delete
255	SQLMemo.Lines.Assign(FDeleteSQL) ;
256	4: //Refresh
257	SQLMemo.Lines.Assign(FRefreshSQL) ;
258	end;
259	FCurrentStatement := StatementType.ItemIndex;
260	end;
261
262	constructor TIBDataSetEditorForm.Create(TheOwner: TComponent);
263	begin
264	inherited Create(TheOwner);
265	FIBSystemTables := TIBSystemTables.Create;
266	FModifySQL := TStringList.Create;
267	FInsertSQL := TStringList.Create;
268	FDeleteSQL := TStringList.Create;
269	FRefreshSQL := TStringList.Create;
270	FSelectSQL := TStringList.Create;
271	end;
272
273	destructor TIBDataSetEditorForm.Destroy;
274	begin
275	if assigned(FIBSystemTables) then FIBSystemTables.Free;
276	if assigned(FModifySQL) then FModifySQL.Free;
277	if assigned(FInsertSQL) then FInsertSQL.Free;
278	if assigned(FDeleteSQL) then FDeleteSQL.Free;
279	if assigned(FRefreshSQL) then FRefreshSQL.Free;
280	if assigned(FSelectSQL) then FSelectSQL.Free;
281	inherited Destroy;
282	end;
283
284	procedure TIBDataSetEditorForm.SetDataSet(AObject: TIBDataSet);
285	begin
286	FDataSet := AObject;
287	IBTransaction1.DefaultDatabase := FDataSet.Database;
288	if assigned(FDataSet) then
289	FIBSystemTables.SelectDatabase(FDataSet.Database,IBTransaction1);
290	end;
291
292	end.