journaling/design/ibinsertsqleditor.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 ibinsertsqleditor;

{$mode objfpc}{$H+}

interface

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

type

  { TIBInsertSQLEditorForm }

  TIBInsertSQLEditorForm = class(TForm)
    Button1: TButton;
    Button2: TButton;
    ExecuteOnlyIndicator: TLabel;
    FieldList: TListBox;
    GenerateBtn: TButton;
    GenerateParams: TCheckBox;
    Label1: TLabel;
    Label16: TLabel;
    Label17: TLabel;
    Label18: TLabel;
    Label2: TLabel;
    PageControl: TPageControl;
    ProcedureNames: TComboBox;
    ProcInputList: TListBox;
    ProcOutputList: TListBox;
    TableNamesCombo: TComboBox;
    InsertPage: TTabSheet;
    ExecutePage: TTabSheet;
    TestBtn: TButton;
    IBTransaction1: TIBTransaction;
    Label3: TLabel;
    QuoteFields: TCheckBox;
    SQLText: TMemo;
    procedure ExecutePageShow(Sender: TObject);
    procedure GenerateBtnClick(Sender: TObject);
    procedure InsertPageShow(Sender: TObject);
    procedure ProcedureNamesCloseUp(Sender: TObject);
    procedure TestBtnClick(Sender: TObject);
    procedure FieldListDblClick(Sender: TObject);
    procedure FormShow(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
  IBInsertSQLEditorForm: TIBInsertSQLEditorForm;

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 TIBInsertSQLEditorForm.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;

{ TIBInsertSQLEditorForm }

procedure TIBInsertSQLEditorForm.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 := InsertPage;
 end
 else
   PageControl.ActivePage := InsertPage;
end;

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

procedure TIBInsertSQLEditorForm.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.GenerateInsertSQL(TableNamesCombo.Text,QuoteFields.Checked,
               FieldNames,SQLText.Lines)
  finally
    FieldNames.Free
  end;
 end;
end;

procedure TIBInsertSQLEditorForm.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 TIBInsertSQLEditorForm.InsertPageShow(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,true,false);
  end;
  except {ignore}
  end;
end;

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

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

procedure TIBInsertSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
begin
  FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,true,false);
end;

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

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

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

end.
Revision:	45
Committed:	Tue Dec 6 10:33:46 2016 UTC (8 years ago) by tony
Content type:	text/x-pascal
Original Path:	*ibx/trunk/design/ibinsertsqleditor.pas*
File size:	6966 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 ibinsertsqleditor;
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			{ TIBInsertSQLEditorForm }
40
41			TIBInsertSQLEditorForm = class(TForm)
42			Button1: TButton;
43			Button2: TButton;
44			ExecuteOnlyIndicator: TLabel;
45			FieldList: TListBox;
46			GenerateBtn: TButton;
47			GenerateParams: TCheckBox;
48			Label1: TLabel;
49			Label16: TLabel;
50			Label17: TLabel;
51			Label18: TLabel;
52			Label2: TLabel;
53			PageControl: TPageControl;
54			ProcedureNames: TComboBox;
55			ProcInputList: TListBox;
56			ProcOutputList: TListBox;
57			TableNamesCombo: TComboBox;
58			InsertPage: TTabSheet;
59			ExecutePage: TTabSheet;
60			TestBtn: TButton;
61			IBTransaction1: TIBTransaction;
62			Label3: TLabel;
63			QuoteFields: TCheckBox;
64			SQLText: TMemo;
65			procedure ExecutePageShow(Sender: TObject);
66			procedure GenerateBtnClick(Sender: TObject);
67			procedure InsertPageShow(Sender: TObject);
68			procedure ProcedureNamesCloseUp(Sender: TObject);
69			procedure TestBtnClick(Sender: TObject);
70			procedure FieldListDblClick(Sender: TObject);
71			procedure FormShow(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			IBInsertSQLEditorForm: TIBInsertSQLEditorForm;
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
98			if assigned(DataSet) and assigned(DataSet.Database) then
99			try
100			DataSet.Database.Connected := true;
101			except on E: Exception do
102			ShowMessage(E.Message)
103			end;
104
105			with TIBInsertSQLEditorForm.Create(Application) do
106			try
107			if assigned(DataSet) then
108			begin
109			SetDatabase(DataSet.Database);
110			GenerateParams.Checked := DataSet.GenerateParamNames;
111			end;
112			SQLText.Lines.Assign(SelectSQL);
113			Result := ShowModal = mrOK;
114			if Result then
115			begin
116			SelectSQL.Assign(SQLText.Lines);
117			if assigned(DataSet) then
118			DataSet.GenerateParamNames := GenerateParams.Checked
119			end;
120			finally
121			Free
122			end;
123			end;
124
125			{ TIBInsertSQLEditorForm }
126
127			procedure TIBInsertSQLEditorForm.FormShow(Sender: TObject);
128			var IsProcedureName: boolean;
129	tony	45	SQLType: TIBSQLStatementTypes;
130	tony	33	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			SQLType := FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
137			except end;
138			if SQLType = SQLExecProcedure then
139			PageControl.ActivePage := ExecutePage
140			else
141			PageControl.ActivePage := InsertPage;
142			end
143			else
144			PageControl.ActivePage := InsertPage;
145			end;
146
147			procedure TIBInsertSQLEditorForm.FieldListDblClick(Sender: TObject);
148			begin
149			SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
150			SQLText.SetFocus
151			end;
152
153			procedure TIBInsertSQLEditorForm.GenerateBtnClick(Sender: TObject);
154			var FieldNames: TStrings;
155			begin
156			if PageControl.ActivePage = ExecutePage then
157			FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,true,
158			ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
159			else
160			begin
161			FieldNames := FIBSystemTables.GetFieldNames(FieldList);
162			try
163			FIBSystemTables.GenerateInsertSQL(TableNamesCombo.Text,QuoteFields.Checked,
164			FieldNames,SQLText.Lines)
165			finally
166			FieldNames.Free
167			end;
168			end;
169			end;
170
171			procedure TIBInsertSQLEditorForm.ExecutePageShow(Sender: TObject);
172			var ProcName: string;
173			IsProcedureName: boolean;
174			begin
175			FIBSystemTables.GetProcedureNames(ProcedureNames.Items,false);
176			if ProcedureNames.Items.Count > 0 then
177			begin
178			if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
179			begin
180			FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
181			ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
182			end
183			else
184			ProcedureNames.ItemIndex := 0;
185			end;
186			ProcedureNamesCloseUp(nil);
187			end;
188
189			procedure TIBInsertSQLEditorForm.InsertPageShow(Sender: TObject);
190			var TableName: string;
191			begin
192			TableNamesCombo.Items.Clear;
193			try
194			FIBSystemTables.GetTableNames(TableNamesCombo.Items);
195			if TableNamesCombo.Items.Count > 0 then
196			begin
197			TableNamesCombo.ItemIndex := 0;
198			if Trim(SQLText.Text) <> '' then
199			begin
200			FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
201			TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
202			end;
203			FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,true,false);
204			end;
205			except {ignore}
206			end;
207			end;
208
209			procedure TIBInsertSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
210			var ExecuteOnly: boolean;
211			begin
212			FIBSystemTables.GetProcParams(ProcedureNames.Text,ExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
213			ExecuteOnlyIndicator.Visible := ExecuteOnly;
214			end;
215
216			procedure TIBInsertSQLEditorForm.TestBtnClick(Sender: TObject);
217			begin
218			FIBSystemTables.TestSQL(SQLText.Lines.Text,GenerateParams.Checked)
219			end;
220
221			procedure TIBInsertSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
222			begin
223			FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items,true,false);
224			end;
225
226			constructor TIBInsertSQLEditorForm.Create(TheOwner: TComponent);
227			begin
228			inherited Create(TheOwner);
229			FIBSystemTables := TIBSystemTables.Create;
230			end;
231
232			destructor TIBInsertSQLEditorForm.Destroy;
233			begin
234			if assigned(FIBSystemTables) then FIBSystemTables.Free;
235			inherited Destroy;
236			end;
237
238			procedure TIBInsertSQLEditorForm.SetDatabase(Database: TIBDatabase);
239			begin
240			IBTransaction1.DefaultDatabase := Database;
241			FIBSystemTables.SelectDatabase(Database,IBTransaction1)
242			end;
243
244			end.