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;
  IBSQLEditFrame1.UserTables.Active := true;
  IBSQLEditFrame1.SyncQueryBuilder(FSelectSQL);
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:	80
Committed:	Mon Jan 1 11:31:07 2018 UTC (6 years, 10 months ago) by tony
Content type:	text/x-pascal
File size:	8031 byte(s)
Log Message:	Fixes merged into public release
#	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	80	IBSQLEditFrame1.UserTables.Active := true;
145			IBSQLEditFrame1.SyncQueryBuilder(FSelectSQL);
146	tony	33	end;
147
148			procedure TIBDataSetEditorForm.FormClose(Sender: TObject;
149			var CloseAction: TCloseAction);
150			begin
151			if ModalResult = mrOK then
152			begin
153			UpdateSQLMemo;
154			FDataSet.ModifySQL.Assign(FModifySQL);
155			FDataSet.InsertSQL.Assign(FInsertSQL);
156			FDataSet.DeleteSQL.Assign(FDeleteSQL);
157			FDataSet.RefreshSQL.Assign(FRefreshSQL);
158			FDataSet.SelectSQL.Assign(FSelectSQL);
159			end;
160			end;
161
162			procedure TIBDataSetEditorForm.TestBtnClick(Sender: TObject);
163			begin
164	tony	80	IBSQLEditFrame1.TestSQL(GenerateParams.Checked);
165	tony	33	end;
166
167	tony	80	procedure TIBDataSetEditorForm.IncludeSysTablesChange(Sender: TObject);
168	tony	33	begin
169	tony	80	IBSQLEditFrame1.IncludeSystemTables := IncludeSysTables.Checked;
170			end;
171	tony	33
172	tony	80	procedure TIBDataSetEditorForm.SelectSelectAllClick(Sender: TObject);
173			begin
174			IBSQLEditFrame1.SelectAllFields(SelectSelectAll.Checked);
175	tony	33	end;
176
177	tony	80	procedure TIBDataSetEditorForm.GenerateButtonClick(Sender: TObject);
178			begin
179			IBSQLEditFrame1.GenerateSelectSQL(QuoteFields.Checked,FSelectSQL);
180			IBSQLEditFrame1.GenerateRefreshSQL(QuoteFields.Checked,FRefreshSQL);
181			IBSQLEditFrame1.GenerateDeleteSQL(QuoteFields.Checked,FDeleteSQL);
182			IBSQLEditFrame1.GenerateInsertSQL(QuoteFields.Checked,FInsertSQL);
183			IBSQLEditFrame1.GenerateModifySQL(QuoteFields.Checked,FModifySQL, not IncludePrimaryKeys.Checked);
184			FDirty := false;
185			PageControl.ActivePage := SQLPage;
186			end;
187
188	tony	33	procedure TIBDataSetEditorForm.SQLMemoChange(Sender: TObject);
189			begin
190			FDirty := true
191			end;
192
193			procedure TIBDataSetEditorForm.SQLPageShow(Sender: TObject);
194			begin
195			UpdateSQLMemo
196			end;
197
198			procedure TIBDataSetEditorForm.StatementTypeClick(Sender: TObject);
199			begin
200			UpdateSQLMemo
201			end;
202
203			procedure TIBDataSetEditorForm.UpdateSQLMemo;
204			begin
205			if FDirty then
206			case FCurrentStatement of
207			0: // Select
208	tony	80	FSelectSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
209	tony	33	1: //Modify
210	tony	80	FModifySQL.Assign(IBSQLEditFrame1.SQLText.Lines);
211	tony	33	2: //Insert
212	tony	80	FInsertSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
213	tony	33	3: // Delete
214	tony	80	FDeleteSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
215	tony	33	4: //Refresh
216	tony	80	FRefreshSQL.Assign(IBSQLEditFrame1.SQLText.Lines);
217	tony	33	end;
218			FDirty := false;
219			case StatementType.ItemIndex of
220			0: //Select
221	tony	80	IBSQLEditFrame1.SQLText.Lines.Assign(FSelectSQL);
222	tony	33	1: // Modify
223	tony	80	IBSQLEditFrame1.SQLText.Lines.Assign(FModifySQL) ;
224	tony	33	2: //Insert
225	tony	80	IBSQLEditFrame1.SQLText.Lines.Assign(FInsertSQL) ;
226	tony	33	3: // Delete
227	tony	80	IBSQLEditFrame1.SQLText.Lines.Assign(FDeleteSQL) ;
228	tony	33	4: //Refresh
229	tony	80	IBSQLEditFrame1.SQLText.Lines.Assign(FRefreshSQL) ;
230	tony	33	end;
231			FCurrentStatement := StatementType.ItemIndex;
232			end;
233
234	tony	80	procedure TIBDataSetEditorForm.HandleUserTablesOpened(Sender: TObject);
235			begin
236			SelectSelectAll.Checked := true;
237			end;
238
239			procedure TIBDataSetEditorForm.Loaded;
240			begin
241			inherited Loaded;
242			if IBSQLEditFrame1 <> nil then
243			begin
244			IBSQLEditFrame1.OnUserTablesOpened := @HandleUserTablesOpened;
245			if SelectTableNames <> nil then
246			SelectTableNames.ListSource := IBSQLEditFrame1.UserTableSource;
247			if FieldNamesGrid <> nil then
248			FieldNamesGrid.DataSource := IBSQLEditFrame1.FieldsSource;
249			if PrimaryKeysGrid <> nil then
250			PrimaryKeysGrid.DataSource := IBSQLEditFrame1.PrimaryKeySource;
251			end;
252			end;
253
254	tony	33	constructor TIBDataSetEditorForm.Create(TheOwner: TComponent);
255			begin
256			inherited Create(TheOwner);
257			FModifySQL := TStringList.Create;
258			FInsertSQL := TStringList.Create;
259			FDeleteSQL := TStringList.Create;
260			FRefreshSQL := TStringList.Create;
261			FSelectSQL := TStringList.Create;
262			end;
263
264			destructor TIBDataSetEditorForm.Destroy;
265			begin
266			if assigned(FModifySQL) then FModifySQL.Free;
267			if assigned(FInsertSQL) then FInsertSQL.Free;
268			if assigned(FDeleteSQL) then FDeleteSQL.Free;
269			if assigned(FRefreshSQL) then FRefreshSQL.Free;
270	tony	80	if assigned(FSelectSQL) then FSelectSQL.Free;
271	tony	33	inherited Destroy;
272			end;
273
274			end.