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, IB;

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

{$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: TIBSQLStatementTypes;
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:	45
Committed:	Tue Dec 6 10:33:46 2016 UTC (7 years, 11 months ago) by tony
Content type:	text/x-pascal
File size:	7496 byte(s)
Log Message:	Committing updates for Release R2-0-0
#	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 ibmodifysqleditor;
28
29			{$mode objfpc}{$H+}
30
31			interface
32
33			uses
34			Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
35	tony	45	StdCtrls, ComCtrls, IBSystemTables, IBDatabase, IBCustomDataSet, IB;
36	tony	33
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			{$R *.lfm}
95
96			function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
97			begin
98			Result := false;
99			if assigned(DataSet) and assigned(DataSet.Database) then
100			try
101			DataSet.Database.Connected := true;
102			except on E: Exception do
103			ShowMessage(E.Message)
104			end;
105
106			with TIBModifySQLEditorForm.Create(Application) do
107			try
108			if assigned(DataSet) then
109			begin
110			SetDatabase(DataSet.Database);
111			GenerateParams.Checked := DataSet.GenerateParamNames;
112			end;
113			SQLText.Lines.Assign(SelectSQL);
114			Result := ShowModal = mrOK;
115			if Result then
116			begin
117			SelectSQL.Assign(SQLText.Lines);
118			if assigned(DataSet) then
119			DataSet.GenerateParamNames := GenerateParams.Checked
120			end;
121			finally
122			Free
123			end;
124			end;
125
126			{ TIBModifySQLEditorForm }
127
128			procedure TIBModifySQLEditorForm.FormShow(Sender: TObject);
129			var IsProcedureName: boolean;
130	tony	45	SQLType: TIBSQLStatementTypes;
131	tony	33	begin
132			GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
133			TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
134			if Trim(SQLText.Text) <> '' then
135			begin
136			try
137			SQLType := FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
138			except end;
139			if SQLType = SQLExecProcedure then
140			PageControl.ActivePage := ExecutePage
141			else
142			PageControl.ActivePage := ModifyPage;
143			end
144			else
145			PageControl.ActivePage := ModifyPage;
146			end;
147
148			procedure TIBModifySQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
149			begin
150			SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
151			SQLText.SetFocus
152			end;
153
154			procedure TIBModifySQLEditorForm.FieldListDblClick(Sender: TObject);
155			begin
156			SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
157			SQLText.SetFocus
158			end;
159
160			procedure TIBModifySQLEditorForm.GenerateBtnClick(Sender: TObject);
161			var FieldNames: TStrings;
162			begin
163			if PageControl.ActivePage = ExecutePage then
164			FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,true,
165			ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
166			else
167			begin
168			FieldNames := FIBSystemTables.GetFieldNames(FieldList);
169			try
170			FIBSystemTables.GenerateModifySQL(TableNamesCombo.Text,QuoteFields.Checked,
171			FieldNames,SQLText.Lines)
172			finally
173			FieldNames.Free
174			end;
175			end;
176			end;
177
178			procedure TIBModifySQLEditorForm.ExecutePageShow(Sender: TObject);
179			var ProcName: string;
180			IsProcedureName: boolean;
181			begin
182			FIBSystemTables.GetProcedureNames(ProcedureNames.Items,false);
183			if ProcedureNames.Items.Count > 0 then
184			begin
185			if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
186			begin
187			FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
188			ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
189			end
190			else
191			ProcedureNames.ItemIndex := 0;
192			end;
193			ProcedureNamesCloseUp(nil);
194			end;
195
196			procedure TIBModifySQLEditorForm.ModifyPageShow(Sender: TObject);
197			var TableName: string;
198			begin
199			TableNamesCombo.Items.Clear;
200			try
201			FIBSystemTables.GetTableNames(TableNamesCombo.Items);
202			if TableNamesCombo.Items.Count > 0 then
203			begin
204			TableNamesCombo.ItemIndex := 0;
205			if Trim(SQLText.Text) <> '' then
206			begin
207			FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
208			TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
209			end;
210			FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
211			FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
212			end;
213			except {ignore} end;
214			end;
215
216			procedure TIBModifySQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
217			var ExecuteOnly: boolean;
218			begin
219			FIBSystemTables.GetProcParams(ProcedureNames.Text,ExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
220			ExecuteOnlyIndicator.Visible := ExecuteOnly;
221			end;
222
223			procedure TIBModifySQLEditorForm.TestBtnClick(Sender: TObject);
224			begin
225			FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
226			end;
227
228			procedure TIBModifySQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
229			begin
230			FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,IncludePrimaryKeys.checked,false);
231			FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
232			end;
233
234			constructor TIBModifySQLEditorForm.Create(TheOwner: TComponent);
235			begin
236			inherited Create(TheOwner);
237			FIBSystemTables := TIBSystemTables.Create;
238			end;
239
240			destructor TIBModifySQLEditorForm.Destroy;
241			begin
242			if assigned(FIBSystemTables) then FIBSystemTables.Free;
243			inherited Destroy;
244			end;
245
246			procedure TIBModifySQLEditorForm.SetDatabase(Database: TIBDatabase);
247			begin
248			IBTransaction1.DefaultDatabase := Database;
249			FIBSystemTables.SelectDatabase(Database,IBTransaction1)
250			end;
251
252			end.