trunk/design/ibupdatesqleditor.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 IBUpdateSQLEditor;

{$mode objfpc}{$H+}

interface

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

type

  { TIBUpdateSQLEditorForm }

  TIBUpdateSQLEditorForm = class(TForm)
    TestBtn: TButton;
    CancelButton: TButton;
    FieldsPage: TTabSheet;
    GenerateBtn: 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 GenerateBtnClick(Sender: TObject);
    procedure SQLMemoChange(Sender: TObject);
    procedure SQLPageShow(Sender: TObject);
    procedure StatementTypeClick(Sender: TObject);
    procedure TableNamesComboCloseUp(Sender: TObject);
  private
    { private declarations }
    FUpdateObject: TIBUpdateSQL;
    FIBSystemTables: TIBSystemTables;
    FDirty: boolean;
    FCurrentStatement: integer;
    FModifySQL: TStringList;
    FInsertSQL: TStringList;
    FDeleteSQL: TStringList;
    FRefreshSQL: TStringList;
    procedure UpdateSQLMemo;
  public
    { public declarations }
    constructor Create(TheOwner: TComponent); override;
    destructor Destroy; override;
    procedure SetUpdateObject(AObject: TIBUpdateSQL);
  end;

var
  IBUpdateSQLEditorForm: TIBUpdateSQLEditorForm;

function EditIBUpdateSQL(UpdateObject: TIBUpdateSQL): boolean;

implementation

uses IBQuery;

{$R *.lfm}

function EditIBUpdateSQL(UpdateObject: TIBUpdateSQL): boolean;
begin
  Result := false;
  if assigned(UpdateObject.DataSet) and assigned(UpdateObject.DataSet.Database) then
    try
      UpdateObject.DataSet.Database.Connected := true;
    except on E: Exception do
      ShowMessage(E.Message)
    end;

  with TIBUpdateSQLEditorForm.Create(Application) do
  try
    SetUpdateObject(UpdateObject);
    Result := ShowModal = mrOK
  finally
    Free
  end;

end;

{ TIBUpdateSQLEditorForm }

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

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

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

procedure TIBUpdateSQLEditorForm.GenerateBtnClick(Sender: TObject);
var FieldNames: TStringList;
    I: integer;
begin
  FieldNames := TStringList.Create;
  try
    FUpdateObject.RefreshSQL.Clear;
    FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldNames);
    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 TIBUpdateSQLEditorForm.SQLMemoChange(Sender: TObject);
begin
  FDirty := true
end;

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

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

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

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

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

destructor TIBUpdateSQLEditorForm.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;
  inherited Destroy;
end;

procedure TIBUpdateSQLEditorForm.SetUpdateObject(AObject: TIBUpdateSQL);
begin
  FUpdateObject := AObject;
  if assigned(FUpdateObject.DataSet) then
  begin
    IBTransaction1.DefaultDatabase := FUpdateObject.DataSet.Database;
    FIBSystemTables.SelectDatabase(FUpdateObject.DataSet.Database,IBTransaction1);
  end;
end;


end.

Revision:	17
Committed:	Sat Dec 28 19:22:24 2013 UTC (10 years, 3 months ago) by tony
Content type:	text/x-pascal
File size:	8751 byte(s)
Log Message:	Committing updates for Release R1-0-5
#	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	unit IBUpdateSQLEditor;
27
28	{$mode objfpc}{$H+}
29
30	interface
31
32	uses
33	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
34	ComCtrls, StdCtrls, ExtCtrls, IBSystemTables, IBUpdateSQL, IBDatabase;
35
36	type
37
38	{ TIBUpdateSQLEditorForm }
39
40	TIBUpdateSQLEditorForm = class(TForm)
41	TestBtn: TButton;
42	CancelButton: TButton;
43	FieldsPage: TTabSheet;
44	GenerateBtn: TButton;
45	GroupBox1: TGroupBox;
46	IBTransaction1: TIBTransaction;
47	IncludePrimaryKeys: TCheckBox;
48	PrimaryKeyList: TListBox;
49	Label1: TLabel;
50	Label2: TLabel;
51	Label3: TLabel;
52	Label4: TLabel;
53	OkButton: TButton;
54	PageControl: TPageControl;
55	QuoteFields: TCheckBox;
56	SQLMemo: TMemo;
57	SQLPage: TTabSheet;
58	StatementType: TRadioGroup;
59	FieldList: TListBox;
60	TableNamesCombo: TComboBox;
61	procedure TestBtnClick(Sender: TObject);
62	procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
63	procedure FormShow(Sender: TObject);
64	procedure GenerateBtnClick(Sender: TObject);
65	procedure SQLMemoChange(Sender: TObject);
66	procedure SQLPageShow(Sender: TObject);
67	procedure StatementTypeClick(Sender: TObject);
68	procedure TableNamesComboCloseUp(Sender: TObject);
69	private
70	{ private declarations }
71	FUpdateObject: TIBUpdateSQL;
72	FIBSystemTables: TIBSystemTables;
73	FDirty: boolean;
74	FCurrentStatement: integer;
75	FModifySQL: TStringList;
76	FInsertSQL: TStringList;
77	FDeleteSQL: TStringList;
78	FRefreshSQL: TStringList;
79	procedure UpdateSQLMemo;
80	public
81	{ public declarations }
82	constructor Create(TheOwner: TComponent); override;
83	destructor Destroy; override;
84	procedure SetUpdateObject(AObject: TIBUpdateSQL);
85	end;
86
87	var
88	IBUpdateSQLEditorForm: TIBUpdateSQLEditorForm;
89
90	function EditIBUpdateSQL(UpdateObject: TIBUpdateSQL): boolean;
91
92	implementation
93
94	uses IBQuery;
95
96	{$R *.lfm}
97
98	function EditIBUpdateSQL(UpdateObject: TIBUpdateSQL): boolean;
99	begin
100	Result := false;
101	if assigned(UpdateObject.DataSet) and assigned(UpdateObject.DataSet.Database) then
102	try
103	UpdateObject.DataSet.Database.Connected := true;
104	except on E: Exception do
105	ShowMessage(E.Message)
106	end;
107
108	with TIBUpdateSQLEditorForm.Create(Application) do
109	try
110	SetUpdateObject(UpdateObject);
111	Result := ShowModal = mrOK
112	finally
113	Free
114	end;
115
116	end;
117
118	{ TIBUpdateSQLEditorForm }
119
120	procedure TIBUpdateSQLEditorForm.FormShow(Sender: TObject);
121	var TableName: string;
122	begin
123	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
124	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
125	PageControl.ActivePage := FieldsPage;
126	FModifySQL.Assign(FUpdateObject.ModifySQL);
127	FInsertSQL.Assign(FUpdateObject.InsertSQL);
128	FDeleteSQL.Assign(FUpdateObject.DeleteSQL);
129	FRefreshSQL.Assign(FUpdateObject.RefreshSQL);
130	FCurrentStatement := -1;
131	TableNamesCombo.Items.Clear;
132	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
133	if TableNamesCombo.Items.Count > 0 then
134	begin
135	TableNamesCombo.ItemIndex := 0;
136	if assigned(FUpdateObject.DataSet) and (FUpdateObject.DataSet is TIBQuery) and
137	((FUpdateObject.DataSet as TIBQuery).SQL.Text <> '') then
138	try
139	FIBSystemTables.GetTableAndColumns((FUpdateObject.DataSet as TIBQuery).SQL.Text,TableName,nil);
140	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName);
141	except //ignore
142	end;
143	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
144	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
145	end;
146	end;
147
148	procedure TIBUpdateSQLEditorForm.FormClose(Sender: TObject;
149	var CloseAction: TCloseAction);
150	begin
151	if ModalResult = mrOK then
152	begin
153	UpdateSQLMemo;
154	FUpdateObject.ModifySQL.Assign(FModifySQL);
155	FUpdateObject.InsertSQL.Assign(FInsertSQL);
156	FUpdateObject.DeleteSQL.Assign(FDeleteSQL);
157	FUpdateObject.RefreshSQL.Assign(FRefreshSQL);
158	end;
159	end;
160
161	procedure TIBUpdateSQLEditorForm.TestBtnClick(Sender: TObject);
162	begin
163	if SQLMemo.Lines.Text <> '' then
164	FIBSystemTables.TestSQL(SQLMemo.Lines.Text);
165	end;
166
167	procedure TIBUpdateSQLEditorForm.GenerateBtnClick(Sender: TObject);
168	var FieldNames: TStringList;
169	I: integer;
170	begin
171	FieldNames := TStringList.Create;
172	try
173	FUpdateObject.RefreshSQL.Clear;
174	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldNames);
175	FIBSystemTables.GenerateRefreshSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,FRefreshSQL);
176	FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,FDeleteSQL);
177	FieldNames.Clear;
178	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldNames,true,false);
179	FIBSystemTables.GenerateInsertSQL(TableNamesCombo.Text,QuoteFields.Checked,
180	FieldNames,FInsertSQL);
181	if FieldList.SelCount = 0 then
182	begin
183	FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
184	FieldList.Items,FModifySQL);
185
186	end
187	else
188	begin
189	FieldNames.Clear;
190	for I := 0 to FieldList.Items.Count - 1 do
191	if FieldList.Selected[I] then
192	FieldNames.Add(FieldList.Items[I]);
193	FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
194	FieldNames,FModifySQL);
195	end;
196	FDirty := false;
197	PageControl.ActivePage := SQLPage;
198	finally
199	FieldNames.Free
200	end;
201	end;
202
203	procedure TIBUpdateSQLEditorForm.SQLMemoChange(Sender: TObject);
204	begin
205	FDirty := true
206	end;
207
208	procedure TIBUpdateSQLEditorForm.SQLPageShow(Sender: TObject);
209	begin
210	UpdateSQLMemo
211	end;
212
213	procedure TIBUpdateSQLEditorForm.StatementTypeClick(Sender: TObject);
214	begin
215	UpdateSQLMemo
216	end;
217
218	procedure TIBUpdateSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
219	begin
220	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
221	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
222	end;
223
224	procedure TIBUpdateSQLEditorForm.UpdateSQLMemo;
225	begin
226	if FDirty then
227	case FCurrentStatement of
228	0: //Modify
229	FModifySQL.Assign(SQLMemo.Lines);
230	1: //Insert
231	FInsertSQL.Assign(SQLMemo.Lines);
232	2: // Delete
233	FDeleteSQL.Assign(SQLMemo.Lines);
234	3: //Refresh
235	FRefreshSQL.Assign(SQLMemo.Lines);
236	end;
237	FDirty := false;
238	case StatementType.ItemIndex of
239	0: // Modify
240	SQLMemo.Lines.Assign(FModifySQL) ;
241	1: //Insert
242	SQLMemo.Lines.Assign(FInsertSQL) ;
243	2: // Delete
244	SQLMemo.Lines.Assign(FDeleteSQL) ;
245	3: //Refresh
246	SQLMemo.Lines.Assign(FRefreshSQL) ;
247	end;
248	FCurrentStatement := StatementType.ItemIndex;
249	end;
250
251	constructor TIBUpdateSQLEditorForm.Create(TheOwner: TComponent);
252	begin
253	inherited Create(TheOwner);
254	FIBSystemTables := TIBSystemTables.Create;
255	FModifySQL := TStringList.Create;
256	FInsertSQL := TStringList.Create;
257	FDeleteSQL := TStringList.Create;
258	FRefreshSQL := TStringList.Create;
259	end;
260
261	destructor TIBUpdateSQLEditorForm.Destroy;
262	begin
263	if assigned(FIBSystemTables) then FIBSystemTables.Free;
264	if assigned(FModifySQL) then FModifySQL.Free;
265	if assigned(FInsertSQL) then FInsertSQL.Free;
266	if assigned(FDeleteSQL) then FDeleteSQL.Free;
267	if assigned(FRefreshSQL) then FRefreshSQL.Free;
268	inherited Destroy;
269	end;
270
271	procedure TIBUpdateSQLEditorForm.SetUpdateObject(AObject: TIBUpdateSQL);
272	begin
273	FUpdateObject := AObject;
274	if assigned(FUpdateObject.DataSet) then
275	begin
276	IBTransaction1.DefaultDatabase := FUpdateObject.DataSet.Database;
277	FIBSystemTables.SelectDatabase(FUpdateObject.DataSet.Database,IBTransaction1);
278	end;
279	end;
280
281
282	end.
283