Sieve doesn't accept empty script

=> disable ok button and avoid to have warning

svn path=/trunk/KDE/kdepim/; revision=947258

managesievescriptsdialog.cpp

@@ -321,7 +321,6 @@ void KMail::ManageSieveScriptsDialog::slotDeleteScript() {
                                    KStandardGuiItem::del() )
        != KMessageBox::Continue )
     return;
-
   SieveJob * job = SieveJob::del( u );
   connect( job, SIGNAL(result(KMail::SieveJob*,bool,const QString&,bool)),
            this, SLOT(slotRefresh()) );
@@ -370,7 +369,6 @@ void KMail::ManageSieveScriptsDialog::slotNewScript() {
   QTreeWidgetItem *newItem =
       new QTreeWidgetItem( mContextMenuItem );
   addRadioButton( newItem, name );
-
   mCurrentURL = u;
   slotGetResult( 0, true, QString(), false );
 }
@@ -394,12 +392,17 @@ KMail::SieveEditor::SieveEditor( QWidget * parent, const char * name )
   mTextEdit->setAcceptRichText( false );
   mTextEdit->setWordWrapMode ( QTextOption::NoWrap );
   mTextEdit->setFont( KGlobalSettings::fixedFont() );
-
+  connect( mTextEdit, SIGNAL( textChanged () ), SLOT( slotTextChanged() ) );
   resize( 3 * sizeHint() );
 }
 
 KMail::SieveEditor::~SieveEditor() {}
 
+void KMail::SieveEditor::slotTextChanged()
+{
+  enableButtonOk( !script().isEmpty() );
+}
+
 void KMail::ManageSieveScriptsDialog::slotGetResult( KMail::SieveJob *, bool success, const QString & script, bool isActive ) {
   if ( !success )
     return;

managesievescriptsdialog.h

@@ -35,7 +35,6 @@ private slots:
   void slotPutResult( KMail::SieveJob *, bool );
   void slotSieveEditorOkClicked();
   void slotSieveEditorCancelClicked();
-
 private:
   void killAllJobs();
   void changeActiveScript( QTreeWidgetItem* );

managesievescriptsdialog_p.h

@@ -19,7 +19,8 @@ public:
 
   QString script() const { return mTextEdit->toPlainText(); }
   void setScript( const QString & script ) { mTextEdit->setText( script ); }
-
+private slots:
+  void slotTextChanged();
 private:
   KTextEdit * mTextEdit;
 };