diff --git a/src/kjotsedit.cpp b/src/kjotsedit.cpp
index 5716977..18972f0 100644
--- a/src/kjotsedit.cpp
+++ b/src/kjotsedit.cpp
@@ -1,414 +1,418 @@
 //
 //  kjots
 //
 //  Copyright (C) 1997 Christoph Neerfeld <Christoph.Neerfeld@home.ivm.de>
 //  Copyright (C) 2002, 2003 Aaron J. Seigo <aseigo@kde.org>
 //  Copyright (C) 2003 Stanislav Kljuhhin <crz@hot.ee>
 //  Copyright (C) 2005-2006 Jaison Lee <lee.jaison@gmail.com>
 //  Copyright (C) 2007-2008 Stephen Kelly <steveire@gmail.com>
 //
 //  This program is free software; you can redistribute it and/or modify
 //  it under the terms of the GNU General Public License as published by
 //  the Free Software Foundation; either version 2 of the License, or
 //  (at your option) any later version.
 //
 //  This program is distributed in the hope that it will be useful,
 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 //  GNU General Public License for more details.
 //
 //  You should have received a copy of the GNU General Public License
 //  along with this program; if not, write to the Free Software
 //  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //
 
 //Own Header
 #include "kjotsedit.h"
 
 #include <QMimeData>
 #include <QTextCursor>
 #include <QStackedWidget>
 #include <QUrl>
 #include <QMenu>
 #include <QPointer>
 #include <QClipboard>
 #include <QApplication>
 #include <QAction>
 #include <QToolTip>
 #include <QTextDocumentFragment>
 
 #include <KActionCollection>
 #include <KLocalizedString>
 //#include <KRun>
 
 #include "kjotslinkdialog.h"
 
 #include <AkonadiCore/entitytreemodel.h>
 #include <AkonadiCore/item.h>
 
 #include <KMime/Message>
 
 #include <qdebug.h>
 #include "kjotsmodel.h"
 #include "noteshared/notelockattribute.h"
 #include "noteshared/noteeditorutils.h"
 
 Q_DECLARE_METATYPE(QTextCursor)
 
 using namespace Akonadi;
 
 KJotsEdit::KJotsEdit(QWidget *parent)
     : KRichTextWidget(parent),
       actionCollection(nullptr),
       allowAutoDecimal(false)
 {
     setMouseTracking(true);
     setAcceptRichText(true);
     setWordWrapMode(QTextOption::WordWrap);
     setCheckSpellingEnabled(true);
     setRichTextSupport(FullTextFormattingSupport
                        | FullListSupport
                        | SupportAlignment
                        | SupportRuleLine
                        | SupportFormatPainting);
 
     setFocusPolicy(Qt::StrongFocus);
 }
 
 void KJotsEdit::contextMenuEvent(QContextMenuEvent *event)
 {
     QMenu *popup = mousePopupMenu();
     if (popup) {
         popup->addSeparator();
         QAction *act = actionCollection->action(QLatin1String("copyIntoTitle"));
         popup->addAction(act);
         act = actionCollection->action(QLatin1String("insert_checkmark"));
         act->setEnabled(!isReadOnly());
         popup->addAction(act);
 
         if (!qApp->clipboard()->text().isEmpty()) {
             act = actionCollection->action(QLatin1String("paste_plain_text"));
             act->setEnabled(!isReadOnly());
             popup->addAction(act);
         }
 
         if (!anchorAt(event->pos()).isNull()) {
             popup->addAction(actionCollection->action(QStringLiteral("manage_link")));
         }
 
         aboutToShowContextMenu(popup);
         popup->exec(event->globalPos());
         delete popup;
     }
 }
 
 void KJotsEdit::delayedInitialization(KActionCollection *collection)
 {
     actionCollection = collection;
 
     connect(actionCollection->action(QLatin1String("auto_bullet")), SIGNAL(triggered()), SLOT(onAutoBullet()));
     connect(actionCollection->action(QLatin1String("auto_decimal")), SIGNAL(triggered()), SLOT(onAutoDecimal())); //auto decimal list
     connect(actionCollection->action(QLatin1String("manage_link")), SIGNAL(triggered()), SLOT(onLinkify()));
     connect(actionCollection->action(QLatin1String("insert_checkmark")), SIGNAL(triggered()), SLOT(addCheckmark()));
     connect(actionCollection->action(QLatin1String("manual_save")), SIGNAL(triggered()), SLOT(savePage()));
     connect(actionCollection->action(QLatin1String("insert_date")), SIGNAL(triggered()), SLOT(insertDate()));
     connect(actionCollection->action(QLatin1String("insert_image")), SIGNAL(triggered()), SLOT(insertImage()));
 }
 
 void KJotsEdit::insertDate()
 {
     NoteShared::NoteEditorUtils().insertDate(this);
 }
 
 void KJotsEdit::insertImage()
 {
     QTextCursor cursor = textCursor();
     NoteShared::NoteEditorUtils().insertImage(document(), cursor, this);
 }
 
 bool KJotsEdit::setModelIndex(const QModelIndex &index)
 {
     bool newDocument = m_index && (*m_index != index);
     // Saving the old document, if it wa changed
     if (newDocument) {
         savePage();
     }
     m_index = std::make_unique<QPersistentModelIndex>(index);
     // Loading document
     auto document = m_index->data(KJotsModel::DocumentRole).value<QTextDocument *>();
     if (!document) {
         setReadOnly(true);
         return false;
     }
     setDocument(document);
     // Setting cursor
     auto cursor = document->property("textCursor").value<QTextCursor>();
     if (!cursor.isNull()) {
         setTextCursor(cursor);
     } else {
         // This is a work-around for QTextEdit bug. If the first letter of the document is formatted,
         // QTextCursor doesn't follow this format. One can either move the cursor 1 symbol to the right
         // and then 1 symbol to the left as a workaround, or just explicitly move it to the start.
         // Submitted to qt-bugs, id 192886.
         //  -- (don't know the fate of this bug, as for April 2020 it is unaccessible)
         moveCursor(QTextCursor::Start);
     }
     // Setting focus if document was changed
     if (newDocument) {
         setFocus();
     }
     // Setting ReadOnly
     auto item = m_index->data(EntityTreeModel::ItemRole).value<Item>();
     if (!item.isValid()) {
         setReadOnly(true);
         return false;
     } else if (item.hasAttribute<NoteShared::NoteLockAttribute>()) {
         setReadOnly(true);
         return true;
     } else {
         setReadOnly(false);
         return true;
     }
 }
 
 void KJotsEdit::onAutoBullet(void)
 {
     KTextEdit::AutoFormatting currentFormatting = autoFormatting();
 
     //TODO: set line spacing properly.
 
     if (currentFormatting == KTextEdit::AutoBulletList) {
         setAutoFormatting(KTextEdit::AutoNone);
         actionCollection->action(QLatin1String("auto_bullet"))->setChecked(false);
     } else {
         setAutoFormatting(KTextEdit::AutoBulletList);
         actionCollection->action(QLatin1String("auto_bullet"))->setChecked(true);
     }
 }
 
 void KJotsEdit::createAutoDecimalList(void)
 {
     //this is an adaptation of Qt's createAutoBulletList() function for creating a bulleted list, except in this case I use it to create a decimal list.
     QTextCursor cursor = textCursor();
     cursor.beginEditBlock();
 
     QTextBlockFormat blockFmt = cursor.blockFormat();
 
     QTextListFormat listFmt;
     listFmt.setStyle(QTextListFormat::ListDecimal);
     listFmt.setIndent(blockFmt.indent() + 1);
 
     blockFmt.setIndent(0);
     cursor.setBlockFormat(blockFmt);
 
     cursor.createList(listFmt);
 
     cursor.endEditBlock();
     setTextCursor(cursor);
 }
 
 void KJotsEdit::DecimalList(void)
 {
     QTextCursor cursor = textCursor();
 
     if (cursor.currentList()) {
         return;
     }
 
     QString blockText = cursor.block().text();
 
     if (blockText.length() == 2 && blockText == QLatin1String("1.")) {
         cursor.movePosition(QTextCursor::StartOfLine, QTextCursor::KeepAnchor);
         cursor.removeSelectedText();
         createAutoDecimalList();
     }
 }
 
 void KJotsEdit::onAutoDecimal(void)
 {
     if (allowAutoDecimal == true) {
         allowAutoDecimal = false;
         disconnect(this, &KJotsEdit::textChanged, this, &KJotsEdit::DecimalList);
         actionCollection->action(QLatin1String("auto_decimal"))->setChecked(false);
     } else {
         allowAutoDecimal = true;
         connect(this, &KJotsEdit::textChanged, this, &KJotsEdit::DecimalList);
         actionCollection->action(QLatin1String("auto_decimal"))->setChecked(true);
     }
 }
 
 void KJotsEdit::onLinkify(void)
 {
     // Nothing is yet opened, ignoring
     if (!m_index) {
         return;
     }
     selectLinkText();
     QPointer<KJotsLinkDialog> linkDialog = new KJotsLinkDialog(const_cast<QAbstractItemModel*>(m_index->model()), this);
     linkDialog->setLinkText(currentLinkText());
     linkDialog->setLinkUrl(currentLinkUrl());
 
     if (linkDialog->exec()) {
         updateLink(linkDialog->linkUrl(), linkDialog->linkText());
     }
 
     delete linkDialog;
 }
 
 void KJotsEdit::addCheckmark(void)
 {
     QTextCursor cursor = textCursor();
     NoteShared::NoteEditorUtils().addCheckmark(cursor);
 }
 
 bool KJotsEdit::canInsertFromMimeData(const QMimeData *source) const
 {
     if (source->hasUrls()) {
         return true;
     } else {
         return KTextEdit::canInsertFromMimeData(source);
     }
 }
 
 void KJotsEdit::insertFromMimeData(const QMimeData *source)
 {
+    // Nothing is opened, ignoring
+    if (!m_index) {
+        return;
+    }
     if (source->hasUrls()) {
         const QList<QUrl> urls = source->urls();
         for (const QUrl &url : urls) {
             if (url.scheme() == QStringLiteral("akonadi")) {
-                QModelIndex idx = KJotsModel::modelIndexForUrl(m_selectionModel->model(), url);
+                QModelIndex idx = KJotsModel::modelIndexForUrl(m_index->model(), url);
                 if (idx.isValid()) {
                     insertHtml(QStringLiteral("<a href=\"%1\">%2</a>").arg(idx.data(KJotsModel::EntityUrlRole).toString(),
                                                                            idx.data().toString()));
                 }
             } else {
                 QString text = source->hasText() ? source->text() : url.toString(QUrl::RemovePassword);
                 insertHtml(QStringLiteral("<a href=\"%1\">%2</a>").arg(QString::fromUtf8(url.toEncoded()), text));
             }
         }
     } else if (source->hasHtml()) {
         // Don't have an action to set top and bottom margins on paragraphs yet.
         // Remove the margins for all inserted html.
         QTextDocument dummy;
         dummy.setHtml(source->html());
         QTextCursor c(&dummy);
         QTextBlockFormat fmt = c.blockFormat();
         fmt.setTopMargin(0);
         fmt.setBottomMargin(0);
         fmt.setLeftMargin(0);
         fmt.setRightMargin(0);
         c.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
         c.mergeBlockFormat(fmt);
 
         textCursor().insertFragment(QTextDocumentFragment(c));
         ensureCursorVisible();
     } else {
         KRichTextEdit::insertFromMimeData(source);
     }
 }
 
 void KJotsEdit::mouseMoveEvent(QMouseEvent *event)
 {
     if ((event->modifiers() & Qt::ControlModifier) && !anchorAt(event->pos()).isEmpty()) {
         if (!m_cursorChanged) {
             QApplication::setOverrideCursor(Qt::PointingHandCursor);
             m_cursorChanged = true;
         }
     } else {
         if (m_cursorChanged) {
             QApplication::restoreOverrideCursor();
             m_cursorChanged = false;
         }
     }
     KRichTextEdit::mouseMoveEvent(event);
 }
 
 void KJotsEdit::leaveEvent(QEvent *event)
 {
     if (m_cursorChanged) {
         QApplication::restoreOverrideCursor();
         m_cursorChanged = false;
     }
     KRichTextEdit::leaveEvent(event);
 }
 
 void KJotsEdit::mousePressEvent(QMouseEvent *event)
 {
     QUrl url = anchorAt(event->pos());
     if ((event->modifiers() & Qt::ControlModifier) && (event->button() & Qt::LeftButton) && !url.isEmpty()) {
         Q_EMIT linkClicked(url);
     } else {
         KRichTextEdit::mousePressEvent(event);
     }
 }
 
 void KJotsEdit::pastePlainText()
 {
     QString text = qApp->clipboard()->text();
     if (!text.isEmpty()) {
         insertPlainText(text);
     }
 }
 
 bool KJotsEdit::event(QEvent *event)
 {
     if (event->type() == QEvent::WindowDeactivate) {
         savePage();
     } else if (event->type() == QEvent::ToolTip) {
         tooltipEvent(static_cast<QHelpEvent *>(event));
     }
     return KRichTextWidget::event(event);
 }
 
 void KJotsEdit::tooltipEvent(QHelpEvent *event)
 {
     // Nothing is opened, ignoring
     if (!m_index) {
         return;
     }
     QUrl url(anchorAt(event->pos()));
     QString message;
 
     if (url.isValid()) {
         if (url.scheme() == QStringLiteral("akonadi")) {
-            const QModelIndex idx = KJotsModel::modelIndexForUrl(m_selectionModel->model(), url);
+            const QModelIndex idx = KJotsModel::modelIndexForUrl(m_index->model(), url);
             if (idx.data(EntityTreeModel::ItemRole).value<Item>().isValid()) {
                 message = i18nc("@info:tooltip %1 is page name", "Ctrl+click to open page: %1", idx.data().toString());
             } else if (idx.data(EntityTreeModel::CollectionRole).value<Collection>().isValid()) {
                 message = i18nc("@info:tooltip %1 is book name", "Ctrl+click to open book: %1", idx.data().toString());
             }
         } else {
             message = i18nc("@info:tooltip %1 is hyperlink address", "Ctrl+click to follow the hyperlink: %1", url.toString(QUrl::RemovePassword));
         }
     }
 
     if (!message.isEmpty()) {
         QToolTip::showText(event->globalPos(), message);
     } else {
         QToolTip::hideText();
     }
 }
 
 void KJotsEdit::focusOutEvent(QFocusEvent *event)
 {
     savePage();
     KRichTextWidget::focusOutEvent(event);
 }
 
 void KJotsEdit::savePage()
 {
-    if (!document()->isModified()) {
+    if (!document()->isModified() || !m_index) {
         return;
     }
 
     auto item = m_index->data(EntityTreeModel::ItemRole).value<Item>();
     if (!item.isValid() || !item.hasPayload<KMime::Message::Ptr>()) {
         return;
     }
     auto model = const_cast<QAbstractItemModel *>(m_index->model());
     document()->setModified(false);
     document()->setProperty("textCursor", QVariant::fromValue(textCursor()));
     model->setData(*m_index, QVariant::fromValue(document()), KJotsModel::DocumentRole);
 }
 
 /* ex: set tabstop=4 softtabstop=4 shiftwidth=4 expandtab: */