trunk/design/ibmodifysqleditor.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 ibmodifysqleditor;

{$mode objfpc}{$H+}

interface

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

type

  { TIBModifySQLEditorForm }

  TIBModifySQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    FieldList: TListBox;
    GenerateBtn: TButton;
    GenerateParams: TCheckBox;
    IncludePrimaryKeys: TCheckBox;
    Label1: TLabel;
    Label16: TLabel;
    Label17: TLabel;
    Label18: TLabel;
    Label2: TLabel;
    Label4: TLabel;
    ExecuteOnlyIndicator: TLabel;
    PageControl: TPageControl;
    PrimaryKeyList: TListBox;
    ProcedureNames: TComboBox;
    ProcInputList: TListBox;
    ProcOutputList: TListBox;
    TableNamesCombo: TComboBox;
    ModifyPage: TTabSheet;
    ExecutePage: TTabSheet;
    TestBtn: TButton;
    IBTransaction1: TIBTransaction;
    Label3: TLabel;
    QuoteFields: TCheckBox;
    SQLText: TMemo;
    procedure ExecutePageShow(Sender: TObject);
    procedure GenerateBtnClick(Sender: TObject);
    procedure ModifyPageShow(Sender: TObject);
    procedure ProcedureNamesCloseUp(Sender: TObject);
    procedure TestBtnClick(Sender: TObject);
    procedure FieldListDblClick(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
  IBModifySQLEditorForm: TIBModifySQLEditorForm;

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 TIBModifySQLEditorForm.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;

{ TIBModifySQLEditorForm }

procedure TIBModifySQLEditorForm.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 := ModifyPage;
  end
  else
    PageControl.ActivePage := ModifyPage;
end;

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

procedure TIBModifySQLEditorForm.FieldListDblClick(Sender: TObject);
begin
  SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
  SQLText.SetFocus
end;

procedure TIBModifySQLEditorForm.GenerateBtnClick(Sender: TObject);
var FieldNames: TStrings;
begin
  if PageControl.ActivePage = ExecutePage then
    FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,true,
          ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
  else
  begin
    FieldNames :=  FIBSystemTables.GetFieldNames(FieldList);
    try
      FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
             FieldNames,SQLText.Lines)
    finally
      FieldNames.Free
    end;
  end;
end;

procedure TIBModifySQLEditorForm.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 TIBModifySQLEditorForm.ModifyPageShow(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.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
    FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
  end;
  except {ignore}  end;
end;

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

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

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

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

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

procedure TIBModifySQLEditorForm.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:	7496 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 ibmodifysqleditor;
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	{ TIBModifySQLEditorForm }
40
41	TIBModifySQLEditorForm = class(TForm)
42	Button1: TButton;
43	Button2: TButton;
44	FieldList: TListBox;
45	GenerateBtn: TButton;
46	GenerateParams: TCheckBox;
47	IncludePrimaryKeys: TCheckBox;
48	Label1: TLabel;
49	Label16: TLabel;
50	Label17: TLabel;
51	Label18: TLabel;
52	Label2: TLabel;
53	Label4: TLabel;
54	ExecuteOnlyIndicator: TLabel;
55	PageControl: TPageControl;
56	PrimaryKeyList: TListBox;
57	ProcedureNames: TComboBox;
58	ProcInputList: TListBox;
59	ProcOutputList: TListBox;
60	TableNamesCombo: TComboBox;
61	ModifyPage: TTabSheet;
62	ExecutePage: TTabSheet;
63	TestBtn: TButton;
64	IBTransaction1: TIBTransaction;
65	Label3: TLabel;
66	QuoteFields: TCheckBox;
67	SQLText: TMemo;
68	procedure ExecutePageShow(Sender: TObject);
69	procedure GenerateBtnClick(Sender: TObject);
70	procedure ModifyPageShow(Sender: TObject);
71	procedure ProcedureNamesCloseUp(Sender: TObject);
72	procedure TestBtnClick(Sender: TObject);
73	procedure FieldListDblClick(Sender: TObject);
74	procedure FormShow(Sender: TObject);
75	procedure PrimaryKeyListDblClick(Sender: TObject);
76	procedure TableNamesComboCloseUp(Sender: TObject);
77	private
78	{ private declarations }
79	FIBSystemTables: TIBSystemTables;
80	public
81	{ public declarations }
82	constructor Create(TheOwner: TComponent); override;
83	destructor Destroy; override;
84	procedure SetDatabase(Database: TIBDatabase);
85	end;
86
87	var
88	IBModifySQLEditorForm: TIBModifySQLEditorForm;
89
90	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
91
92	implementation
93
94	uses IBSQL;
95
96	{$R *.lfm}
97
98	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
99	begin
100	Result := false;
101	if assigned(DataSet) and assigned(DataSet.Database) then
102	try
103	DataSet.Database.Connected := true;
104	except on E: Exception do
105	ShowMessage(E.Message)
106	end;
107
108	with TIBModifySQLEditorForm.Create(Application) do
109	try
110	if assigned(DataSet) then
111	begin
112	SetDatabase(DataSet.Database);
113	GenerateParams.Checked := DataSet.GenerateParamNames;
114	end;
115	SQLText.Lines.Assign(SelectSQL);
116	Result := ShowModal = mrOK;
117	if Result then
118	begin
119	SelectSQL.Assign(SQLText.Lines);
120	if assigned(DataSet) then
121	DataSet.GenerateParamNames := GenerateParams.Checked
122	end;
123	finally
124	Free
125	end;
126	end;
127
128	{ TIBModifySQLEditorForm }
129
130	procedure TIBModifySQLEditorForm.FormShow(Sender: TObject);
131	var IsProcedureName: boolean;
132	SQLType: TIBSQLTypes;
133	begin
134	GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
135	TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
136	if Trim(SQLText.Text) <> '' then
137	begin
138	try
139	SQLType := FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
140	except end;
141	if SQLType = SQLExecProcedure then
142	PageControl.ActivePage := ExecutePage
143	else
144	PageControl.ActivePage := ModifyPage;
145	end
146	else
147	PageControl.ActivePage := ModifyPage;
148	end;
149
150	procedure TIBModifySQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
151	begin
152	SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
153	SQLText.SetFocus
154	end;
155
156	procedure TIBModifySQLEditorForm.FieldListDblClick(Sender: TObject);
157	begin
158	SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
159	SQLText.SetFocus
160	end;
161
162	procedure TIBModifySQLEditorForm.GenerateBtnClick(Sender: TObject);
163	var FieldNames: TStrings;
164	begin
165	if PageControl.ActivePage = ExecutePage then
166	FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,true,
167	ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
168	else
169	begin
170	FieldNames := FIBSystemTables.GetFieldNames(FieldList);
171	try
172	FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
173	FieldNames,SQLText.Lines)
174	finally
175	FieldNames.Free
176	end;
177	end;
178	end;
179
180	procedure TIBModifySQLEditorForm.ExecutePageShow(Sender: TObject);
181	var ProcName: string;
182	IsProcedureName: boolean;
183	begin
184	FIBSystemTables.GetProcedureNames(ProcedureNames.Items,false);
185	if ProcedureNames.Items.Count > 0 then
186	begin
187	if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
188	begin
189	FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
190	ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
191	end
192	else
193	ProcedureNames.ItemIndex := 0;
194	end;
195	ProcedureNamesCloseUp(nil);
196	end;
197
198	procedure TIBModifySQLEditorForm.ModifyPageShow(Sender: TObject);
199	var TableName: string;
200	begin
201	TableNamesCombo.Items.Clear;
202	try
203	FIBSystemTables.GetTableNames(TableNamesCombo.Items);
204	if TableNamesCombo.Items.Count > 0 then
205	begin
206	TableNamesCombo.ItemIndex := 0;
207	if Trim(SQLText.Text) <> '' then
208	begin
209	FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
210	TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
211	end;
212	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
213	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
214	end;
215	except {ignore} end;
216	end;
217
218	procedure TIBModifySQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
219	var ExecuteOnly: boolean;
220	begin
221	FIBSystemTables.GetProcParams(ProcedureNames.Text,ExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
222	ExecuteOnlyIndicator.Visible := ExecuteOnly;
223	end;
224
225	procedure TIBModifySQLEditorForm.TestBtnClick(Sender: TObject);
226	begin
227	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
228	end;
229
230	procedure TIBModifySQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
231	begin
232	FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
233	FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
234	end;
235
236	constructor TIBModifySQLEditorForm.Create(TheOwner: TComponent);
237	begin
238	inherited Create(TheOwner);
239	FIBSystemTables := TIBSystemTables.Create;
240	end;
241
242	destructor TIBModifySQLEditorForm.Destroy;
243	begin
244	if assigned(FIBSystemTables) then FIBSystemTables.Free;
245	inherited Destroy;
246	end;
247
248	procedure TIBModifySQLEditorForm.SetDatabase(Database: TIBDatabase);
249	begin
250	IBTransaction1.DefaultDatabase := Database;
251	FIBSystemTables.SelectDatabase(Database,IBTransaction1)
252	end;
253
254	end.