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:	21
Committed:	Thu Feb 26 10:33:34 2015 UTC (9 years, 2 months ago) by tony
Content type:	text/x-pascal
File size:	7751 byte(s)
Log Message:	Committing updates for Release R1-2-0
#	User	Rev	Content
1	tony	17	(*
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	tony	21	StdCtrls, ComCtrls, IBSystemTables, IBDatabase, IBCustomDataSet;
36	tony	17
37			type
38
39			{ TIBModifySQLEditorForm }
40
41			TIBModifySQLEditorForm = class(TForm)
42			Button1: TButton;
43			Button2: TButton;
44	tony	21	FieldList: TListBox;
45	tony	17	GenerateBtn: TButton;
46	tony	19	GenerateParams: TCheckBox;
47	tony	17	IncludePrimaryKeys: TCheckBox;
48			Label1: TLabel;
49	tony	21	Label16: TLabel;
50			Label17: TLabel;
51			Label18: TLabel;
52	tony	17	Label2: TLabel;
53			Label4: TLabel;
54	tony	21	ExecuteOnlyIndicator: TLabel;
55			PageControl: TPageControl;
56	tony	17	PrimaryKeyList: TListBox;
57	tony	21	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	tony	17	QuoteFields: TCheckBox;
67			SQLText: TMemo;
68	tony	21	procedure ExecutePageShow(Sender: TObject);
69	tony	17	procedure GenerateBtnClick(Sender: TObject);
70	tony	21	procedure ModifyPageShow(Sender: TObject);
71			procedure ProcedureNamesCloseUp(Sender: TObject);
72	tony	17	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	tony	19	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
91	tony	17
92			implementation
93
94	tony	21	uses IBSQL;
95
96	tony	17	{$R *.lfm}
97
98	tony	19	function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
99	tony	17	begin
100			Result := false;
101	tony	19	if assigned(DataSet) and assigned(DataSet.Database) then
102	tony	17	try
103	tony	19	DataSet.Database.Connected := true;
104	tony	17	except on E: Exception do
105			ShowMessage(E.Message)
106			end;
107
108			with TIBModifySQLEditorForm.Create(Application) do
109			try
110	tony	19	if assigned(DataSet) then
111			begin
112			SetDatabase(DataSet.Database);
113			GenerateParams.Checked := DataSet.GenerateParamNames;
114			end;
115	tony	17	SQLText.Lines.Assign(SelectSQL);
116			Result := ShowModal = mrOK;
117			if Result then
118	tony	19	begin
119			SelectSQL.Assign(SQLText.Lines);
120			if assigned(DataSet) then
121			DataSet.GenerateParamNames := GenerateParams.Checked
122			end;
123	tony	17	finally
124			Free
125			end;
126			end;
127
128			{ TIBModifySQLEditorForm }
129
130			procedure TIBModifySQLEditorForm.FormShow(Sender: TObject);
131	tony	21	var IsProcedureName: boolean;
132			SQLType: TIBSQLTypes;
133	tony	17	begin
134			GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
135			TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
136	tony	21	if Trim(SQLText.Text) <> '' then
137	tony	17	begin
138	tony	21	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	tony	17	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	tony	21	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	tony	17	FieldNames,SQLText.Lines)
174	tony	21	finally
175			FieldNames.Free
176			end;
177	tony	17	end;
178			end;
179
180	tony	21	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	tony	17	procedure TIBModifySQLEditorForm.TestBtnClick(Sender: TObject);
226			begin
227	tony	19	FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
228	tony	17	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.
255	tony	19