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, 3 months ago) by tony
Content type:	text/x-pascal
File size:	8133 byte(s)
Log Message:	Protect missing database name error in property editor
#	User	Rev	Content
1	tony	33	(*
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	tony	80	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs, ComCtrls,
35			StdCtrls, ExtCtrls, IBSQLEditFrame, IBCustomDataSet,
36			IBDatabase, IBLookupComboEditBox, IBDynamicGrid, Types;
37	tony	33
38			type
39
40			{ TIBDataSetEditorForm }
41
42			TIBDataSetEditorForm = class(TForm)
43	tony	80	FieldNamesGrid: TIBDynamicGrid;
44	tony	33	GenerateParams: TCheckBox;
45	tony	80	IBSQLEditFrame1: TIBSQLEditFrame;
46			IncludeSysTables: TCheckBox;
47			PrimaryKeysGrid: TIBDynamicGrid;
48			SelectSelectAll: TCheckBox;
49			SelectTableNames: TIBLookupComboEditBox;
50	tony	33	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	tony	80	procedure IncludeSysTablesChange(Sender: TObject);
66			procedure SelectSelectAllClick(Sender: TObject);
67	tony	33	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	tony	80	procedure HandleUserTablesOpened(Sender: TObject);
86			protected
87			procedure Loaded; override;
88	tony	33	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	tony	80	begin
117			IBSQLEditFrame1.Database := DataSet.Database;
118			GenerateParams.Checked := DataSet.GenerateParamNames;
119			end;
120			FDataSet := DataSet;
121	tony	33	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	tony	80	GenerateButton.Enabled := (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected;
142			TestBtn.Enabled := (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected;
143	tony	33	FCurrentStatement := -1;
144	tony	81	if (IBSQLEditFrame1.Database <> nil) and IBSQLEditFrame1.Database.Connected then
145			begin
146			IBSQLEditFrame1.UserTables.Active := true;
147			IBSQLEditFrame1.SyncQueryBuilder(FSelectSQL);
148			end;
149	tony	33	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	tony	80	IBSQLEditFrame1.TestSQL(GenerateParams.Checked);
168	tony	33	end;
169
170	tony	80	procedure TIBDataSetEditorForm.IncludeSysTablesChange(Sender: TObject);
171	tony	33	begin
172	tony	80	IBSQLEditFrame1.IncludeSystemTables := IncludeSysTables.Checked;
173			end;
174	tony	33
175	tony	80	procedure TIBDataSetEditorForm.SelectSelectAllClick(Sender: TObject);
176			begin
177			IBSQLEditFrame1.SelectAllFields(SelectSelectAll.Checked);
178	tony	33	end;
179
180	tony	80	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	tony	33	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	tony	80	FSelectSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
212	tony	33	1: //Modify
213	tony	80	FModifySQL.Assign(IBSQLEditFrame1.SQLText.Lines);
214	tony	33	2: //Insert
215	tony	80	FInsertSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
216	tony	33	3: // Delete
217	tony	80	FDeleteSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
218	tony	33	4: //Refresh
219	tony	80	FRefreshSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
220	tony	33	end;
221			FDirty := false;
222			case StatementType.ItemIndex of
223			0: //Select
224	tony	80	IBSQLEditFrame1.SQLText.Lines.Assign(FSelectSQL);
225	tony	33	1: // Modify
226	tony	80	IBSQLEditFrame1.SQLText.Lines.Assign(FModifySQL) ;
227	tony	33	2: //Insert
228	tony	80	IBSQLEditFrame1.SQLText.Lines.Assign(FInsertSQL) ;
229	tony	33	3: // Delete
230	tony	80	IBSQLEditFrame1.SQLText.Lines.Assign(FDeleteSQL) ;
231	tony	33	4: //Refresh
232	tony	80	IBSQLEditFrame1.SQLText.Lines.Assign(FRefreshSQL) ;
233	tony	33	end;
234			FCurrentStatement := StatementType.ItemIndex;
235			end;
236
237	tony	80	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	tony	33	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	tony	80	if assigned(FSelectSQL) then FSelectSQL.Free;
274	tony	33	inherited Destroy;
275			end;
276
277			end.