trunk/design/ibselectsqleditor.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 ibselectsqleditor;

{$mode objfpc}{$H+}

interface

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

type

  { TIBSelectSQLEditorForm }

  TIBSelectSQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    GenerateBtn: TButton;
    GenerateParams: TCheckBox;
    SelectProcedure: TLabel;
    TestBtn: TButton;
    FieldList: TListBox;
    IBTransaction1: TIBTransaction;
    Label1: TLabel;
    Label16: TLabel;
    Label17: TLabel;
    Label18: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    PageControl: TPageControl;
    PrimaryKeyList: TListBox;
    ProcedureNames: TComboBox;
    ProcInputList: TListBox;
    ProcOutputList: TListBox;
    QuoteFields: TCheckBox;
    SQLText: TMemo;
    TableNamesCombo: TComboBox;
    SelectPage: TTabSheet;
    ExecutePage: TTabSheet;
    procedure GenerateBtnClick(Sender: TObject);
    procedure TestBtnClick(Sender: TObject);
    procedure ExecutePageShow(Sender: TObject);
    procedure FieldListDblClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
    procedure PrimaryKeyListDblClick(Sender: TObject);
    procedure ProcedureNamesCloseUp(Sender: TObject);
    procedure SelectPageShow(Sender: TObject);
    procedure TableNamesComboCloseUp(Sender: TObject);
  private
    { private declarations }
    FIBSystemTables: TIBSystemTables;
    FExecuteOnly: boolean;
  public
    { public declarations }
    constructor Create(TheOwner: TComponent); override;
    destructor Destroy; override;
    procedure SetDatabase(Database: TIBDatabase);
  end; 


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 TIBSelectSQLEditorForm.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;

{ TIBSelectSQLEditorForm }

procedure TIBSelectSQLEditorForm.FormShow(Sender: TObject);
var IsProcedureName: boolean;
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
      FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
    except  end;
    if IsProcedureName then
      PageControl.ActivePage := ExecutePage
    else
      PageControl.ActivePage := SelectPage;
  end
  else
    PageControl.ActivePage := SelectPage;
end;

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

procedure TIBSelectSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
begin
  FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
  SelectProcedure.Visible := not FExecuteOnly
end;

procedure TIBSelectSQLEditorForm.SelectPageShow(Sender: TObject);
var TableName: string;
begin
  TableNamesCombo.Items.Clear;
  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);
    FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
  end;
end;

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

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

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

procedure TIBSelectSQLEditorForm.ExecutePageShow(Sender: TObject);
var ProcName: string;
    IsProcedureName: boolean;
begin
  FIBSystemTables.GetProcedureNames(ProcedureNames.Items,true);
  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;
  FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
  SelectProcedure.Visible := not FExecuteOnly
end;

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

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

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

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

end.
Revision:	33
Committed:	Sat Jul 18 12:30:52 2015 UTC (8 years, 9 months ago) by tony
Content type:	text/x-pascal
File size:	7381 byte(s)
Log Message:	Committing updates for Release R1-3-1
#	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 ibselectsqleditor;
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			{ TIBSelectSQLEditorForm }
40
41			TIBSelectSQLEditorForm = class(TForm)
42			Button1: TButton;
43			Button2: TButton;
44			GenerateBtn: TButton;
45			GenerateParams: TCheckBox;
46			SelectProcedure: TLabel;
47			TestBtn: TButton;
48			FieldList: TListBox;
49			IBTransaction1: TIBTransaction;
50			Label1: TLabel;
51			Label16: TLabel;
52			Label17: TLabel;
53			Label18: TLabel;
54			Label2: TLabel;
55			Label3: TLabel;
56			Label4: TLabel;
57			PageControl: TPageControl;
58			PrimaryKeyList: TListBox;
59			ProcedureNames: TComboBox;
60			ProcInputList: TListBox;
61			ProcOutputList: TListBox;
62			QuoteFields: TCheckBox;
63			SQLText: TMemo;
64			TableNamesCombo: TComboBox;
65			SelectPage: TTabSheet;
66			ExecutePage: TTabSheet;
67			procedure GenerateBtnClick(Sender: TObject);
68			procedure TestBtnClick(Sender: TObject);
69			procedure ExecutePageShow(Sender: TObject);
70			procedure FieldListDblClick(Sender: TObject);
71			procedure FormShow(Sender: TObject);
72			procedure PrimaryKeyListDblClick(Sender: TObject);
73			procedure ProcedureNamesCloseUp(Sender: TObject);
74			procedure SelectPageShow(Sender: TObject);
75			procedure TableNamesComboCloseUp(Sender: TObject);
76			private
77			{ private declarations }
78			FIBSystemTables: TIBSystemTables;
79			FExecuteOnly: boolean;
80			public
81			{ public declarations }
82			constructor Create(TheOwner: TComponent); override;
83			destructor Destroy; override;
84			procedure SetDatabase(Database: TIBDatabase);
85			end;
86
87
88			function EditSQL(DataSet: TIBCustomDataSet; SelectSQL: TStrings): boolean;
89
90			implementation
91
92			uses IBSQL;
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 TIBSelectSQLEditorForm.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			{ TIBSelectSQLEditorForm }
127
128			procedure TIBSelectSQLEditorForm.FormShow(Sender: TObject);
129			var IsProcedureName: boolean;
130			begin
131			GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
132			TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
133			if Trim(SQLText.Text) <> '' then
134			begin
135			try
136			FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
137			except end;
138			if IsProcedureName then
139			PageControl.ActivePage := ExecutePage
140			else
141			PageControl.ActivePage := SelectPage;
142			end
143			else
144			PageControl.ActivePage := SelectPage;
145			end;
146
147			procedure TIBSelectSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
148			begin
149			SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
150			SQLText.SetFocus
151			end;
152
153			procedure TIBSelectSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
154			begin
155			FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
156			SelectProcedure.Visible := not FExecuteOnly
157			end;
158
159			procedure TIBSelectSQLEditorForm.SelectPageShow(Sender: TObject);
160			var TableName: string;
161			begin
162			TableNamesCombo.Items.Clear;
163			FIBSystemTables.GetTableNames(TableNamesCombo.Items);
164			if TableNamesCombo.Items.Count > 0 then
165			begin
166			TableNamesCombo.ItemIndex := 0;
167			if Trim(SQLText.Text) <> '' then
168			begin
169			FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
170			TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
171			end;
172			FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
173			FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
174			end;
175			end;
176
177			procedure TIBSelectSQLEditorForm.FieldListDblClick(Sender: TObject);
178			begin
179			SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
180			SQLText.SetFocus
181			end;
182
183			procedure TIBSelectSQLEditorForm.GenerateBtnClick(Sender: TObject);
184			var FieldNames: TStrings;
185			begin
186			if PageControl.ActivePage = ExecutePage then
187			FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,FExecuteOnly,
188			ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
189			else
190			begin
191			FieldNames := FIBSystemTables.GetFieldNames(FieldList);
192			try
193			FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines)
194			finally
195			FieldNames.Free
196			end;
197			end;
198			end;
199
200			procedure TIBSelectSQLEditorForm.TestBtnClick(Sender: TObject);
201			begin
202			FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
203			end;
204
205			procedure TIBSelectSQLEditorForm.ExecutePageShow(Sender: TObject);
206			var ProcName: string;
207			IsProcedureName: boolean;
208			begin
209			FIBSystemTables.GetProcedureNames(ProcedureNames.Items,true);
210			if ProcedureNames.Items.Count > 0 then
211			begin
212			if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
213			begin
214			FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
215			ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
216			end
217			else
218			ProcedureNames.ItemIndex := 0;
219			end;
220			FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
221			SelectProcedure.Visible := not FExecuteOnly
222			end;
223
224			procedure TIBSelectSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
225			begin
226			FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
227			FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
228			end;
229
230			constructor TIBSelectSQLEditorForm.Create(TheOwner: TComponent);
231			begin
232			inherited Create(TheOwner);
233			FIBSystemTables := TIBSystemTables.Create;
234			end;
235
236			destructor TIBSelectSQLEditorForm.Destroy;
237			begin
238			if assigned(FIBSystemTables) then FIBSystemTables.Free;
239			inherited Destroy;
240			end;
241
242			procedure TIBSelectSQLEditorForm.SetDatabase(Database: TIBDatabase);
243			begin
244			IBTransaction1.DefaultDatabase := Database;
245			FIBSystemTables.SelectDatabase(Database,IBTransaction1)
246			end;
247
248			end.