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 (9 years, 3 months ago) by tony
Content type:	text/x-pascal
File size:	8739 byte(s)
Log Message:	Committing updates for Release R1-3-1
#	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			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.