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(*
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* IBX For Lazarus (Firebird Express)
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*
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* The contents of this file are subject to the Initial Developer's
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* Public License Version 1.0 (the "License"); you may not use this
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* file except in compliance with the License. You may obtain a copy
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* of the License here:
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*
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* http://www.firebirdsql.org/index.php?op=doc&id=idpl
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing rights
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* and limitations under the License.
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*
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* The Initial Developer of the Original Code is Tony Whyman.
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*
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* The Original Code is (C) 2011 Tony Whyman, MWA Software
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* (http://www.mwasoftware.co.uk).
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*
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* All Rights Reserved.
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*
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* Contributor(s): ______________________________________.
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*
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*)
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unit ibselectsqleditor;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, FileUtil, Forms, Controls, Graphics, Dialogs,
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StdCtrls, ComCtrls, IBSystemTables, IBDatabase;
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type
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{ TIBSelectSQLEditorForm }
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TIBSelectSQLEditorForm = class(TForm)
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Button1: TButton;
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Button2: TButton;
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GenerateBtn: TButton;
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SelectProcedure: TLabel;
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TestBtn: TButton;
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FieldList: TListBox;
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IBTransaction1: TIBTransaction;
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Label1: TLabel;
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Label16: TLabel;
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Label17: TLabel;
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Label18: TLabel;
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Label2: TLabel;
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Label3: TLabel;
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Label4: TLabel;
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PageControl: TPageControl;
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PrimaryKeyList: TListBox;
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ProcedureNames: TComboBox;
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ProcInputList: TListBox;
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ProcOutputList: TListBox;
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QuoteFields: TCheckBox;
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SQLText: TMemo;
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TableNamesCombo: TComboBox;
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SelectPage: TTabSheet;
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ExecutePage: TTabSheet;
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procedure GenerateBtnClick(Sender: TObject);
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procedure TestBtnClick(Sender: TObject);
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procedure ExecutePageShow(Sender: TObject);
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procedure FieldListDblClick(Sender: TObject);
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procedure FormShow(Sender: TObject);
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procedure PrimaryKeyListDblClick(Sender: TObject);
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procedure ProcedureNamesCloseUp(Sender: TObject);
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procedure SelectPageShow(Sender: TObject);
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procedure TableNamesComboCloseUp(Sender: TObject);
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private
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{ private declarations }
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FIBSystemTables: TIBSystemTables;
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FExecuteOnly: boolean;
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public
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{ public declarations }
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constructor Create(TheOwner: TComponent); override;
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destructor Destroy; override;
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procedure SetDatabase(Database: TIBDatabase);
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end;
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var
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IBSelectSQLEditorForm: TIBSelectSQLEditorForm;
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function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean;
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implementation
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uses IBSQL;
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{$R *.lfm}
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function EditSQL(Database: TIBDatabase; SelectSQL: TStrings): boolean;
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begin
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Result := false;
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if assigned(Database) then
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try
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Database.Connected := true;
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except on E: Exception do
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ShowMessage(E.Message)
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end;
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with TIBSelectSQLEditorForm.Create(Application) do
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try
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SetDatabase(Database);
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SQLText.Lines.Assign(SelectSQL);
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Result := ShowModal = mrOK;
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if Result then
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SelectSQL.Assign(SQLText.Lines)
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finally
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Free
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end;
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end;
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{ TIBSelectSQLEditorForm }
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procedure TIBSelectSQLEditorForm.FormShow(Sender: TObject);
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var IsProcedureName: boolean;
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begin
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GenerateBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
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TestBtn.Enabled := (IBTransaction1.DefaultDatabase <> nil) and IBTransaction1.DefaultDatabase.Connected;
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if Trim(SQLText.Text) <> '' then
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begin
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try
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FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName);
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except end;
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if IsProcedureName then
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PageControl.ActivePage := ExecutePage
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else
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PageControl.ActivePage := SelectPage;
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end
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else
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PageControl.ActivePage := SelectPage;
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end;
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procedure TIBSelectSQLEditorForm.PrimaryKeyListDblClick(Sender: TObject);
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begin
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SQLText.SelText := PrimaryKeyList.Items[PrimaryKeyList.ItemIndex];
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SQLText.SetFocus
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end;
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procedure TIBSelectSQLEditorForm.ProcedureNamesCloseUp(Sender: TObject);
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begin
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FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
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SelectProcedure.Visible := not FExecuteOnly
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end;
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procedure TIBSelectSQLEditorForm.SelectPageShow(Sender: TObject);
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var TableName: string;
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begin
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TableNamesCombo.Items.Clear;
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FIBSystemTables.GetTableNames(TableNamesCombo.Items);
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if TableNamesCombo.Items.Count > 0 then
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begin
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TableNamesCombo.ItemIndex := 0;
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if Trim(SQLText.Text) <> '' then
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begin
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FIBSystemTables.GetTableAndColumns(SQLText.Text,TableName,nil);
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TableNamesCombo.ItemIndex := TableNamesCombo.Items.IndexOf(TableName)
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end;
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FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
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FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
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end;
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end;
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procedure TIBSelectSQLEditorForm.FieldListDblClick(Sender: TObject);
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begin
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SQLText.SelText := FieldList.Items[FieldList.ItemIndex];
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SQLText.SetFocus
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end;
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procedure TIBSelectSQLEditorForm.GenerateBtnClick(Sender: TObject);
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var FieldNames: TStrings;
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begin
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if PageControl.ActivePage = ExecutePage then
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FIBSystemTables.GenerateExecuteSQL(ProcedureNames.Text,QuoteFields.Checked,FExecuteOnly,
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ProcInputList.Items,ProcOutputList.Items,SQLText.Lines)
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else
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begin
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FieldNames := FIBSystemTables.GetFieldNames(FieldList);
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try
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FIBSystemTables.GenerateSelectSQL(TableNamesCombo.Text,QuoteFields.Checked,FieldNames,SQLText.Lines)
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finally
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FieldNames.Free
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end;
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end;
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end;
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procedure TIBSelectSQLEditorForm.TestBtnClick(Sender: TObject);
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begin
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FIBSystemTables.TestSQL(SQLText.Lines.Text)
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end;
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procedure TIBSelectSQLEditorForm.ExecutePageShow(Sender: TObject);
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var ProcName: string;
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IsProcedureName: boolean;
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begin
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FIBSystemTables.GetProcedureNames(ProcedureNames.Items,true);
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if ProcedureNames.Items.Count > 0 then
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begin
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if (FIBSystemTables.GetStatementType(SQLText.Text,IsProcedureName) = SQLExecProcedure) or IsProcedureName then
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begin
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FIBSystemTables.GetTableAndColumns(SQLText.Text,ProcName,nil);
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ProcedureNames.ItemIndex := ProcedureNames.Items.IndexOf(ProcName)
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end
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else
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ProcedureNames.ItemIndex := 0;
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end;
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FIBSystemTables.GetProcParams(ProcedureNames.Text,FExecuteOnly,ProcInputList.Items,ProcOutputList.Items);
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SelectProcedure.Visible := not FExecuteOnly
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end;
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procedure TIBSelectSQLEditorForm.TableNamesComboCloseUp(Sender: TObject);
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begin
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FIBSystemTables.GetFieldNames(TableNamesCombo.Text,FieldList.Items);
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FIBSystemTables.GetPrimaryKeys(TableNamesCombo.Text,PrimaryKeyList.Items);
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end;
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constructor TIBSelectSQLEditorForm.Create(TheOwner: TComponent);
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begin
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inherited Create(TheOwner);
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FIBSystemTables := TIBSystemTables.Create;
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end;
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destructor TIBSelectSQLEditorForm.Destroy;
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begin
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if assigned(FIBSystemTables) then FIBSystemTables.Free;
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inherited Destroy;
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end;
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procedure TIBSelectSQLEditorForm.SetDatabase(Database: TIBDatabase);
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begin
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IBTransaction1.DefaultDatabase := Database;
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FIBSystemTables.SelectDatabase(Database,IBTransaction1)
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end;
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end.
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