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, IBSQLEditFrame, IBCustomDataSet,
  IBDatabase, IBLookupComboEditBox, IBDynamicGrid, Types;

type

  { TIBDataSetEditorForm }

  TIBDataSetEditorForm = class(TForm)
    FieldNamesGrid: TIBDynamicGrid;
    GenerateParams: TCheckBox;
    IBSQLEditFrame1: TIBSQLEditFrame;
    IncludeSysTables: TCheckBox;
    PrimaryKeysGrid: TIBDynamicGrid;
    SelectSelectAll: TCheckBox;
    SelectTableNames: TIBLookupComboEditBox;
    TestBtn: TButton;
    CancelButton: TButton;
    FieldsPage: TTabSheet;
    GenerateButton: TButton;
    GroupBox1: TGroupBox;
    IncludePrimaryKeys: TCheckBox;
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    OkButton: TButton;
    PageControl: TPageControl;
    QuoteFields: TCheckBox;
    SQLPage: TTabSheet;
    StatementType: TRadioGroup;
    procedure IncludeSysTablesChange(Sender: TObject);
    procedure SelectSelectAllClick(Sender: TObject);
    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);
  private
    { private declarations }
    FDataSet: TIBDataSet;
    FDirty: boolean;
    FCurrentStatement: integer;
    FSelectSQL: TStringList;
    FModifySQL: TStringList;
    FInsertSQL: TStringList;
    FDeleteSQL: TStringList;
    FRefreshSQL: TStringList;
    procedure UpdateSQLMemo;
    procedure HandleUserTablesOpened(Sender: TObject);
  protected
    procedure Loaded; override;
  public
    { public declarations }
    constructor Create(TheOwner: TComponent); override;
    destructor Destroy; override;
  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
    if assigned(DataSet) then
    begin
      IBSQLEditFrame1.Database := DataSet.Database;
      GenerateParams.Checked := DataSet.GenerateParamNames;
    end;
    FDataSet := DataSet;
    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 := (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected;
  TestBtn.Enabled := (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected;
  FCurrentStatement := -1;
  if (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected then
  begin
    IBSQLEditFrame1.UserTables.Active := true;
    IBSQLEditFrame1.SyncQueryBuilder(FSelectSQL);
  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
  IBSQLEditFrame1.TestSQL(GenerateParams.Checked);
end;

procedure TIBDataSetEditorForm.IncludeSysTablesChange(Sender: TObject);
begin
  IBSQLEditFrame1.IncludeSystemTables := IncludeSysTables.Checked;
end;

procedure TIBDataSetEditorForm.SelectSelectAllClick(Sender: TObject);
begin
  IBSQLEditFrame1.SelectAllFields(SelectSelectAll.Checked);
end;

procedure TIBDataSetEditorForm.GenerateButtonClick(Sender: TObject);
begin
  IBSQLEditFrame1.GenerateSelectSQL(QuoteFields.Checked,FSelectSQL);
  IBSQLEditFrame1.GenerateRefreshSQL(QuoteFields.Checked,FRefreshSQL);
  IBSQLEditFrame1.GenerateDeleteSQL(QuoteFields.Checked,FDeleteSQL);
  IBSQLEditFrame1.GenerateInsertSQL(QuoteFields.Checked,FInsertSQL);
  IBSQLEditFrame1.GenerateModifySQL(QuoteFields.Checked,FModifySQL, not IncludePrimaryKeys.Checked);
  FDirty := false;
  PageControl.ActivePage := SQLPage;
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.UpdateSQLMemo;
begin
  if FDirty then
    case FCurrentStatement of
    0: // Select
        FSelectSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
    1: //Modify
        FModifySQL.Assign(IBSQLEditFrame1.SQLText.Lines);
    2: //Insert
        FInsertSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
    3: // Delete
        FDeleteSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
    4: //Refresh
        FRefreshSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
    end;
  FDirty := false;
  case StatementType.ItemIndex of
  0: //Select
     IBSQLEditFrame1.SQLText.Lines.Assign(FSelectSQL);
  1: // Modify
    IBSQLEditFrame1.SQLText.Lines.Assign(FModifySQL)  ;
  2: //Insert
    IBSQLEditFrame1.SQLText.Lines.Assign(FInsertSQL)  ;
  3: // Delete
    IBSQLEditFrame1.SQLText.Lines.Assign(FDeleteSQL)  ;
  4: //Refresh
    IBSQLEditFrame1.SQLText.Lines.Assign(FRefreshSQL)  ;
  end;
  FCurrentStatement := StatementType.ItemIndex;
end;

procedure TIBDataSetEditorForm.HandleUserTablesOpened(Sender: TObject);
begin
  SelectSelectAll.Checked := true;
end;

procedure TIBDataSetEditorForm.Loaded;
begin
  inherited Loaded;
  if IBSQLEditFrame1 <> nil then
  begin
    IBSQLEditFrame1.OnUserTablesOpened := @HandleUserTablesOpened;
    if SelectTableNames <> nil then
      SelectTableNames.ListSource :=  IBSQLEditFrame1.UserTableSource;
    if FieldNamesGrid <> nil then
      FieldNamesGrid.DataSource := IBSQLEditFrame1.FieldsSource;
    if PrimaryKeysGrid <> nil then
      PrimaryKeysGrid.DataSource := IBSQLEditFrame1.PrimaryKeySource;
  end;
end;

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

destructor TIBDataSetEditorForm.Destroy;
begin
  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;

end.
Revision:	81
Committed:	Mon Jan 1 11:31:10 2018 UTC (6 years, 10 months ago) by tony
Content type:	text/x-pascal
File size:	8133 byte(s)
Log Message:	Protect missing database name error in property editor
#	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, ComCtrls,
35	StdCtrls, ExtCtrls, IBSQLEditFrame, IBCustomDataSet,
36	IBDatabase, IBLookupComboEditBox, IBDynamicGrid, Types;
37
38	type
39
40	{ TIBDataSetEditorForm }
41
42	TIBDataSetEditorForm = class(TForm)
43	FieldNamesGrid: TIBDynamicGrid;
44	GenerateParams: TCheckBox;
45	IBSQLEditFrame1: TIBSQLEditFrame;
46	IncludeSysTables: TCheckBox;
47	PrimaryKeysGrid: TIBDynamicGrid;
48	SelectSelectAll: TCheckBox;
49	SelectTableNames: TIBLookupComboEditBox;
50	TestBtn: TButton;
51	CancelButton: TButton;
52	FieldsPage: TTabSheet;
53	GenerateButton: TButton;
54	GroupBox1: TGroupBox;
55	IncludePrimaryKeys: TCheckBox;
56	Label1: TLabel;
57	Label2: TLabel;
58	Label3: TLabel;
59	Label4: TLabel;
60	OkButton: TButton;
61	PageControl: TPageControl;
62	QuoteFields: TCheckBox;
63	SQLPage: TTabSheet;
64	StatementType: TRadioGroup;
65	procedure IncludeSysTablesChange(Sender: TObject);
66	procedure SelectSelectAllClick(Sender: TObject);
67	procedure TestBtnClick(Sender: TObject);
68	procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
69	procedure FormShow(Sender: TObject);
70	procedure GenerateButtonClick(Sender: TObject);
71	procedure SQLMemoChange(Sender: TObject);
72	procedure SQLPageShow(Sender: TObject);
73	procedure StatementTypeClick(Sender: TObject);
74	private
75	{ private declarations }
76	FDataSet: TIBDataSet;
77	FDirty: boolean;
78	FCurrentStatement: integer;
79	FSelectSQL: TStringList;
80	FModifySQL: TStringList;
81	FInsertSQL: TStringList;
82	FDeleteSQL: TStringList;
83	FRefreshSQL: TStringList;
84	procedure UpdateSQLMemo;
85	procedure HandleUserTablesOpened(Sender: TObject);
86	protected
87	procedure Loaded; override;
88	public
89	{ public declarations }
90	constructor Create(TheOwner: TComponent); override;
91	destructor Destroy; override;
92	end;
93
94	var
95	IBDataSetEditorForm: TIBDataSetEditorForm;
96
97	function EditIBDataSet(DataSet: TIBDataSet): boolean;
98
99	implementation
100
101	{$R *.lfm}
102
103	function EditIBDataSet(DataSet: TIBDataSet): boolean;
104	begin
105	Result := false;
106	if assigned(DataSet) and assigned(DataSet.Database) then
107	try
108	DataSet.Database.Connected := true;
109	except on E: Exception do
110	ShowMessage(E.Message)
111	end;
112
113	with TIBDataSetEditorForm.Create(Application) do
114	try
115	if assigned(DataSet) then
116	begin
117	IBSQLEditFrame1.Database := DataSet.Database;
118	GenerateParams.Checked := DataSet.GenerateParamNames;
119	end;
120	FDataSet := DataSet;
121	Result := ShowModal = mrOK;
122	if Result and assigned(DataSet) then
123	DataSet.GenerateParamNames := GenerateParams.Checked
124	finally
125	Free
126	end;
127
128	end;
129
130	{ TIBDataSetEditorForm }
131
132	procedure TIBDataSetEditorForm.FormShow(Sender: TObject);
133	var TableName: string;
134	begin
135	PageControl.ActivePage := FieldsPage;
136	FModifySQL.Assign(FDataSet.ModifySQL);
137	FInsertSQL.Assign(FDataSet.InsertSQL);
138	FDeleteSQL.Assign(FDataSet.DeleteSQL);
139	FRefreshSQL.Assign(FDataSet.RefreshSQL);
140	FSelectSQL.Assign(FDataSet.SelectSQL);
141	GenerateButton.Enabled := (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected;
142	TestBtn.Enabled := (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected;
143	FCurrentStatement := -1;
144	if (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected then
145	begin
146	IBSQLEditFrame1.UserTables.Active := true;
147	IBSQLEditFrame1.SyncQueryBuilder(FSelectSQL);
148	end;
149	end;
150
151	procedure TIBDataSetEditorForm.FormClose(Sender: TObject;
152	var CloseAction: TCloseAction);
153	begin
154	if ModalResult = mrOK then
155	begin
156	UpdateSQLMemo;
157	FDataSet.ModifySQL.Assign(FModifySQL);
158	FDataSet.InsertSQL.Assign(FInsertSQL);
159	FDataSet.DeleteSQL.Assign(FDeleteSQL);
160	FDataSet.RefreshSQL.Assign(FRefreshSQL);
161	FDataSet.SelectSQL.Assign(FSelectSQL);
162	end;
163	end;
164
165	procedure TIBDataSetEditorForm.TestBtnClick(Sender: TObject);
166	begin
167	IBSQLEditFrame1.TestSQL(GenerateParams.Checked);
168	end;
169
170	procedure TIBDataSetEditorForm.IncludeSysTablesChange(Sender: TObject);
171	begin
172	IBSQLEditFrame1.IncludeSystemTables := IncludeSysTables.Checked;
173	end;
174
175	procedure TIBDataSetEditorForm.SelectSelectAllClick(Sender: TObject);
176	begin
177	IBSQLEditFrame1.SelectAllFields(SelectSelectAll.Checked);
178	end;
179
180	procedure TIBDataSetEditorForm.GenerateButtonClick(Sender: TObject);
181	begin
182	IBSQLEditFrame1.GenerateSelectSQL(QuoteFields.Checked,FSelectSQL);
183	IBSQLEditFrame1.GenerateRefreshSQL(QuoteFields.Checked,FRefreshSQL);
184	IBSQLEditFrame1.GenerateDeleteSQL(QuoteFields.Checked,FDeleteSQL);
185	IBSQLEditFrame1.GenerateInsertSQL(QuoteFields.Checked,FInsertSQL);
186	IBSQLEditFrame1.GenerateModifySQL(QuoteFields.Checked,FModifySQL, not IncludePrimaryKeys.Checked);
187	FDirty := false;
188	PageControl.ActivePage := SQLPage;
189	end;
190
191	procedure TIBDataSetEditorForm.SQLMemoChange(Sender: TObject);
192	begin
193	FDirty := true
194	end;
195
196	procedure TIBDataSetEditorForm.SQLPageShow(Sender: TObject);
197	begin
198	UpdateSQLMemo
199	end;
200
201	procedure TIBDataSetEditorForm.StatementTypeClick(Sender: TObject);
202	begin
203	UpdateSQLMemo
204	end;
205
206	procedure TIBDataSetEditorForm.UpdateSQLMemo;
207	begin
208	if FDirty then
209	case FCurrentStatement of
210	0: // Select
211	FSelectSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
212	1: //Modify
213	FModifySQL.Assign(IBSQLEditFrame1.SQLText.Lines);
214	2: //Insert
215	FInsertSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
216	3: // Delete
217	FDeleteSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
218	4: //Refresh
219	FRefreshSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
220	end;
221	FDirty := false;
222	case StatementType.ItemIndex of
223	0: //Select
224	IBSQLEditFrame1.SQLText.Lines.Assign(FSelectSQL);
225	1: // Modify
226	IBSQLEditFrame1.SQLText.Lines.Assign(FModifySQL) ;
227	2: //Insert
228	IBSQLEditFrame1.SQLText.Lines.Assign(FInsertSQL) ;
229	3: // Delete
230	IBSQLEditFrame1.SQLText.Lines.Assign(FDeleteSQL) ;
231	4: //Refresh
232	IBSQLEditFrame1.SQLText.Lines.Assign(FRefreshSQL) ;
233	end;
234	FCurrentStatement := StatementType.ItemIndex;
235	end;
236
237	procedure TIBDataSetEditorForm.HandleUserTablesOpened(Sender: TObject);
238	begin
239	SelectSelectAll.Checked := true;
240	end;
241
242	procedure TIBDataSetEditorForm.Loaded;
243	begin
244	inherited Loaded;
245	if IBSQLEditFrame1 <> nil then
246	begin
247	IBSQLEditFrame1.OnUserTablesOpened := @HandleUserTablesOpened;
248	if SelectTableNames <> nil then
249	SelectTableNames.ListSource := IBSQLEditFrame1.UserTableSource;
250	if FieldNamesGrid <> nil then
251	FieldNamesGrid.DataSource := IBSQLEditFrame1.FieldsSource;
252	if PrimaryKeysGrid <> nil then
253	PrimaryKeysGrid.DataSource := IBSQLEditFrame1.PrimaryKeySource;
254	end;
255	end;
256
257	constructor TIBDataSetEditorForm.Create(TheOwner: TComponent);
258	begin
259	inherited Create(TheOwner);
260	FModifySQL := TStringList.Create;
261	FInsertSQL := TStringList.Create;
262	FDeleteSQL := TStringList.Create;
263	FRefreshSQL := TStringList.Create;
264	FSelectSQL := TStringList.Create;
265	end;
266
267	destructor TIBDataSetEditorForm.Destroy;
268	begin
269	if assigned(FModifySQL) then FModifySQL.Free;
270	if assigned(FInsertSQL) then FInsertSQL.Free;
271	if assigned(FDeleteSQL) then FDeleteSQL.Free;
272	if assigned(FRefreshSQL) then FRefreshSQL.Free;
273	if assigned(FSelectSQL) then FSelectSQL.Free;
274	inherited Destroy;
275	end;
276
277	end.