trunk/design/ibdeletesqleditor.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 ibdeletesqleditor;

{$mode objfpc}{$H+}

interface

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

type

  { TIBDeleteSQLEditorForm }

  TIBDeleteSQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    ExecuteOnlyIndicator: TLabel;
    GenerateBtn: TButton;
    GenerateParams: TCheckBox;
    Label1: TLabel;
    Label16: TLabel;
    Label17: TLabel;
    Label18: TLabel;
    Label4: TLabel;
    PageControl: TPageControl;
    PrimaryKeyList: TListBox;
    ProcedureNames: TComboBox;
    ProcInputList: TListBox;
    ProcOutputList: TListBox;
    TableNamesCombo: TComboBox;
    DeletePage: TTabSheet;
    ExecutePage: TTabSheet;
    TestBtn: TButton;
    IBTransaction1: TIBTransaction;
    Label3: TLabel;
    QuoteFields: TCheckBox;
    SQLText: TMemo;
    procedure DeletePageShow(Sender: TObject);
    procedure ExecutePageShow(Sender: TObject);
    procedure GenerateBtnClick(Sender: TObject);
    procedure ProcedureNamesCloseUp(Sender: TObject);
    procedure TestBtnClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure PrimaryKeyListDblClick(Sender: TObject);
    procedure TableNamesComboCloseUp(Sender: TObject);
  private
    { private declarations }
    FIBSystemTables: TIBSystemTables;
  public
    { public declarations }
    constructor Create(TheOwner: TComponent); override;
    destructor Destroy; override;
    procedure SetDatabase(Database: TIBDatabase);
  end; 

var
  IBDeleteSQLEditorForm: TIBDeleteSQLEditorForm;

function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;

implementation

uses IBSQL;

{$R *.lfm}

function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): 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 TIBDeleteSQLEditorForm.Create(Application) do
  try
    if assigned(DataSet) then
    begin
        SetDatabase(DataSet.Database);
        GenerateParams.Checked := DataSet.GenerateParamNames;
    end;
    SQLText.Lines.Assign(SelectSQL);
    Result := ShowModal = mrOK;
    if Result then
    begin
     SelectSQL.Assign(SQLText.Lines);
     if assigned(DataSet) then
          DataSet.GenerateParamNames := GenerateParams.Checked
    end;
  finally
    Free
  end;
end;

{ TIBDeleteSQLEditorForm }

procedure TIBDeleteSQLEditorForm.FormShow(Sender: TObject);
var IsProcedureName: boolean;
    SQLType: TIBSQLTypes;
begin
  GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
  if Trim(SQLText.Text) <> '' then
  begin
    try
      SQLType := FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
    except  end;
    if SQLType = SQLExecProcedure then
      PageControl.ActivePage := ExecutePage
    else
      PageControl.ActivePage := DeletePage;
  end
  else
    PageControl.ActivePage := DeletePage;
end;

procedure TIBDeleteSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
begin
  SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
  SQLText.SetFocus
end;

procedure TIBDeleteSQLEditorForm.GenerateBtnClick(Sender: TObject);
begin
  if PageControl.ActivePage = ExecutePage then
    FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,true,
          ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
  else
    FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,SQLText.Lines)
end;

procedure TIBDeleteSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
var ExecuteOnly: boolean;
begin
  FIBSystemTables.GetProcParams(ProcedureNames.Text,ExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
  ExecuteOnlyIndicator.Visible := ExecuteOnly;
end;

procedure TIBDeleteSQLEditorForm.DeletePageShow(Sender: TObject);
var TableName: string;
begin
  TableNamesCombo.Items.Clear;
  try
  FIBSystemTables.GetTableNames(TableNamesCombo.Items);
  if TableNamesCombo.Items.Count > 0 then
  begin
    TableNamesCombo.ItemIndex := 0;
    if Trim(SQLText.Text) <> '' then
    begin
      FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
      TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
    end;
    FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
  end;
  except {ignore} end;
end;

procedure TIBDeleteSQLEditorForm.ExecutePageShow(Sender: TObject);
var ProcName: string;
    IsProcedureName: boolean;
begin
  FIBSystemTables.GetProcedureNames(ProcedureNames.Items,false);
  if ProcedureNames.Items.Count > 0 then
  begin
    if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
    begin
      FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
      ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
    end
    else
      ProcedureNames.ItemIndex := 0;
  end;
  ProcedureNamesCloseUp(nil);
end;

procedure TIBDeleteSQLEditorForm.TestBtnClick(Sender: TObject);
begin
  FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
end;

procedure TIBDeleteSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
begin
  FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
end;

constructor TIBDeleteSQLEditorForm.Create(TheOwner: TComponent);
begin
  inherited Create(TheOwner);
  FIBSystemTables := TIBSystemTables.Create;
end;

destructor TIBDeleteSQLEditorForm.Destroy;
begin
  if assigned(FIBSystemTables) then FIBSystemTables.Free;
  inherited Destroy;
end;

procedure TIBDeleteSQLEditorForm.SetDatabase(Database: TIBDatabase);
begin
  IBTransaction1.DefaultDatabase := Database;
  FIBSystemTables.SelectDatabase(Database,IBTransaction1)
end;

end.
Revision:	33
Committed:	Sat Jul 18 12:30:52 2015 UTC (9 years, 5 months ago) by tony
Content type:	text/x-pascal
File size:	6818 byte(s)
Log Message:	Committing updates for Release R1-3-1
#	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 ibdeletesqleditor;
28
29	{$mode objfpc}{$H+}
30
31	interface
32
33	uses
34	Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35	StdCtrls, ComCtrls, IBSystemTables, IBDatabase, IBCustomDataSet;
36
37	type
38
39	{ TIBDeleteSQLEditorForm }
40
41	TIBDeleteSQLEditorForm = class(TForm)
42	Button1: TButton;
43	Button2: TButton;
44	ExecuteOnlyIndicator: TLabel;
45	GenerateBtn: TButton;
46	GenerateParams: TCheckBox;
47	Label1: TLabel;
48	Label16: TLabel;
49	Label17: TLabel;
50	Label18: TLabel;
51	Label4: TLabel;
52	PageControl: TPageControl;
53	PrimaryKeyList: TListBox;
54	ProcedureNames: TComboBox;
55	ProcInputList: TListBox;
56	ProcOutputList: TListBox;
57	TableNamesCombo: TComboBox;
58	DeletePage: TTabSheet;
59	ExecutePage: TTabSheet;
60	TestBtn: TButton;
61	IBTransaction1: TIBTransaction;
62	Label3: TLabel;
63	QuoteFields: TCheckBox;
64	SQLText: TMemo;
65	procedure DeletePageShow(Sender: TObject);
66	procedure ExecutePageShow(Sender: TObject);
67	procedure GenerateBtnClick(Sender: TObject);
68	procedure ProcedureNamesCloseUp(Sender: TObject);
69	procedure TestBtnClick(Sender: TObject);
70	procedure FormShow(Sender: TObject);
71	procedure PrimaryKeyListDblClick(Sender: TObject);
72	procedure TableNamesComboCloseUp(Sender: TObject);
73	private
74	{ private declarations }
75	FIBSystemTables: TIBSystemTables;
76	public
77	{ public declarations }
78	constructor Create(TheOwner: TComponent); override;
79	destructor Destroy; override;
80	procedure SetDatabase(Database: TIBDatabase);
81	end;
82
83	var
84	IBDeleteSQLEditorForm: TIBDeleteSQLEditorForm;
85
86	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
87
88	implementation
89
90	uses IBSQL;
91
92	{$R *.lfm}
93
94	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
95	begin
96	Result := false;
97	if assigned(DataSet) and assigned(DataSet.Database) then
98	try
99	DataSet.Database.Connected := true;
100	except on E: Exception do
101	ShowMessage(E.Message)
102	end;
103
104	with TIBDeleteSQLEditorForm.Create(Application) do
105	try
106	if assigned(DataSet) then
107	begin
108	SetDatabase(DataSet.Database);
109	GenerateParams.Checked := DataSet.GenerateParamNames;
110	end;
111	SQLText.Lines.Assign(SelectSQL);
112	Result := ShowModal = mrOK;
113	if Result then
114	begin
115	SelectSQL.Assign(SQLText.Lines);
116	if assigned(DataSet) then
117	DataSet.GenerateParamNames := GenerateParams.Checked
118	end;
119	finally
120	Free
121	end;
122	end;
123
124	{ TIBDeleteSQLEditorForm }
125
126	procedure TIBDeleteSQLEditorForm.FormShow(Sender: TObject);
127	var IsProcedureName: boolean;
128	SQLType: TIBSQLTypes;
129	begin
130	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
131	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
132	if Trim(SQLText.Text) <> '' then
133	begin
134	try
135	SQLType := FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
136	except end;
137	if SQLType = SQLExecProcedure then
138	PageControl.ActivePage := ExecutePage
139	else
140	PageControl.ActivePage := DeletePage;
141	end
142	else
143	PageControl.ActivePage := DeletePage;
144	end;
145
146	procedure TIBDeleteSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
147	begin
148	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
149	SQLText.SetFocus
150	end;
151
152	procedure TIBDeleteSQLEditorForm.GenerateBtnClick(Sender: TObject);
153	begin
154	if PageControl.ActivePage = ExecutePage then
155	FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,true,
156	ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
157	else
158	FIBSystemTables.GenerateDeleteSQL(TableNamesCombo.Text,QuoteFields.Checked,SQLText.Lines)
159	end;
160
161	procedure TIBDeleteSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
162	var ExecuteOnly: boolean;
163	begin
164	FIBSystemTables.GetProcParams(ProcedureNames.Text,ExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
165	ExecuteOnlyIndicator.Visible := ExecuteOnly;
166	end;
167
168	procedure TIBDeleteSQLEditorForm.DeletePageShow(Sender: TObject);
169	var TableName: string;
170	begin
171	TableNamesCombo.Items.Clear;
172	try
173	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
174	if TableNamesCombo.Items.Count > 0 then
175	begin
176	TableNamesCombo.ItemIndex := 0;
177	if Trim(SQLText.Text) <> '' then
178	begin
179	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
180	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
181	end;
182	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
183	end;
184	except {ignore} end;
185	end;
186
187	procedure TIBDeleteSQLEditorForm.ExecutePageShow(Sender: TObject);
188	var ProcName: string;
189	IsProcedureName: boolean;
190	begin
191	FIBSystemTables.GetProcedureNames(ProcedureNames.Items,false);
192	if ProcedureNames.Items.Count > 0 then
193	begin
194	if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
195	begin
196	FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
197	ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
198	end
199	else
200	ProcedureNames.ItemIndex := 0;
201	end;
202	ProcedureNamesCloseUp(nil);
203	end;
204
205	procedure TIBDeleteSQLEditorForm.TestBtnClick(Sender: TObject);
206	begin
207	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
208	end;
209
210	procedure TIBDeleteSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
211	begin
212	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
213	end;
214
215	constructor TIBDeleteSQLEditorForm.Create(TheOwner: TComponent);
216	begin
217	inherited Create(TheOwner);
218	FIBSystemTables := TIBSystemTables.Create;
219	end;
220
221	destructor TIBDeleteSQLEditorForm.Destroy;
222	begin
223	if assigned(FIBSystemTables) then FIBSystemTables.Free;
224	inherited Destroy;
225	end;
226
227	procedure TIBDeleteSQLEditorForm.SetDatabase(Database: TIBDatabase);
228	begin
229	IBTransaction1.DefaultDatabase := Database;
230	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
231	end;
232
233	end.