From 8e8d69c85f247e79f53b5da81c4d236ed32d73fd Mon Sep 17 00:00:00 2001
From: Le Tan <tamlokveer@gmail.com>
Date: Fri, 25 Nov 2016 10:09:32 +0800
Subject: [PATCH] refactor: VNote and VNotebook

regression: notebook renaming logics does not work for now

Signed-off-by: Le Tan <tamlokveer@gmail.com>
---
 src/vconfigmanager.cpp | 26 ++++++------
 src/vconfigmanager.h   | 18 ++++-----
 src/vdirectorytree.cpp | 15 ++-----
 src/vdirectorytree.h   |  2 -
 src/veditarea.cpp      | 11 ------
 src/veditarea.h        |  2 -
 src/veditwindow.cpp    | 16 --------
 src/veditwindow.h      |  2 -
 src/vfilelist.cpp      | 14 ++-----
 src/vfilelist.h        |  2 -
 src/vmainwindow.cpp    | 77 ++++++++++++------------------------
 src/vmainwindow.h      | 10 ++---
 src/vnote.cpp          | 90 ++++++++++++++++++------------------------
 src/vnote.h            | 20 +++++-----
 src/vnotebook.cpp      | 20 ++++++----
 src/vnotebook.h        | 16 +++++---
 16 files changed, 127 insertions(+), 214 deletions(-)

diff --git a/src/vconfigmanager.cpp b/src/vconfigmanager.cpp
index 7a7d52da..60b7983a 100644
--- a/src/vconfigmanager.cpp
+++ b/src/vconfigmanager.cpp
@@ -65,9 +65,6 @@ void VConfigManager::initialize()
     m_mainWindowGeometry = getConfigFromSettings("session", "main_window_geometry").toByteArray();
     m_mainWindowState = getConfigFromSettings("session", "main_window_state").toByteArray();
 
-    // Update notebooks
-    readNotebookFromSettings();
-
     updateMarkdownEditStyle();
 }
 
@@ -87,25 +84,23 @@ void VConfigManager::readPredefinedColorsFromSettings()
              << "pre-defined colors from [predefined_colors] section";
 }
 
-void VConfigManager::readNotebookFromSettings()
+void VConfigManager::readNotebookFromSettings(QVector<VNotebook *> &p_notebooks, QObject *parent)
 {
-    notebooks.clear();
+    Q_ASSERT(p_notebooks.isEmpty());
     int size = userSettings->beginReadArray("notebooks");
     for (int i = 0; i < size; ++i) {
         userSettings->setArrayIndex(i);
-        VNotebook notebook;
         QString name = userSettings->value("name").toString();
         QString path = userSettings->value("path").toString();
-        notebook.setName(name);
-        notebook.setPath(path);
-        notebooks.append(notebook);
+        VNotebook *notebook = new VNotebook(name, path, parent);
+        p_notebooks.append(notebook);
     }
     userSettings->endArray();
-    qDebug() << "read" << notebooks.size()
+    qDebug() << "read" << p_notebooks.size()
              << "notebook items from [notebooks] section";
 }
 
-void VConfigManager::writeNotebookToSettings()
+void VConfigManager::writeNotebookToSettings(const QVector<VNotebook *> &p_notebooks)
 {
     // Clear it first
     userSettings->beginGroup("notebooks");
@@ -113,13 +108,14 @@ void VConfigManager::writeNotebookToSettings()
     userSettings->endGroup();
 
     userSettings->beginWriteArray("notebooks");
-    for (int i = 0; i < notebooks.size(); ++i) {
+    for (int i = 0; i < p_notebooks.size(); ++i) {
         userSettings->setArrayIndex(i);
-        userSettings->setValue("name", notebooks[i].getName());
-        userSettings->setValue("path", notebooks[i].getPath());
+        const VNotebook &notebook = *p_notebooks[i];
+        userSettings->setValue("name", notebook.getName());
+        userSettings->setValue("path", notebook.getPath());
     }
     userSettings->endArray();
-    qDebug() << "write" << notebooks.size()
+    qDebug() << "write" << p_notebooks.size()
              << "notebook items in [notebooks] section";
 }
 
diff --git a/src/vconfigmanager.h b/src/vconfigmanager.h
index 4246897f..2ad322e1 100644
--- a/src/vconfigmanager.h
+++ b/src/vconfigmanager.h
@@ -60,8 +60,8 @@ public:
     inline int getCurNotebookIndex() const;
     inline void setCurNotebookIndex(int index);
 
-    inline const QVector<VNotebook>& getNotebooks() const;
-    inline void setNotebooks(const QVector<VNotebook> &notebooks);
+    inline void getNotebooks(QVector<VNotebook *> &p_notebooks, QObject *parent);
+    inline void setNotebooks(const QVector<VNotebook *> &p_notebooks);
 
     inline hoedown_extensions getMarkdownExtensions() const;
     inline MarkdownConverterType getMdConverterType() const;
@@ -96,8 +96,8 @@ private:
     void updateMarkdownEditStyle();
     QVariant getConfigFromSettings(const QString &section, const QString &key);
     void setConfigToSettings(const QString &section, const QString &key, const QVariant &value);
-    void readNotebookFromSettings();
-    void writeNotebookToSettings();
+    void readNotebookFromSettings(QVector<VNotebook *> &p_notebooks, QObject *parent);
+    void writeNotebookToSettings(const QVector<VNotebook *> &p_notebooks);
     void readPredefinedColorsFromSettings();
     // Update baseEditPalette according to curBackgroundColor
     void updatePaletteColor();
@@ -113,7 +113,6 @@ private:
     QString postTemplatePath;
     QString templateCssUrl;
     int curNotebookIndex;
-    QVector<VNotebook> notebooks;
 
     // Markdown Converter
     hoedown_extensions markdownExtensions;
@@ -199,15 +198,14 @@ inline void VConfigManager::setCurNotebookIndex(int index)
     setConfigToSettings("global", "current_notebook", index);
 }
 
-inline const QVector<VNotebook>& VConfigManager::getNotebooks() const
+inline void VConfigManager::getNotebooks(QVector<VNotebook *> &p_notebooks, QObject *parent)
 {
-    return notebooks;
+    readNotebookFromSettings(p_notebooks, parent);
 }
 
-inline void VConfigManager::setNotebooks(const QVector<VNotebook> &notebooks)
+inline void VConfigManager::setNotebooks(const QVector<VNotebook *> &p_notebooks)
 {
-    this->notebooks = notebooks;
-    writeNotebookToSettings();
+    writeNotebookToSettings(p_notebooks);
 }
 
 inline hoedown_extensions VConfigManager::getMarkdownExtensions() const
diff --git a/src/vdirectorytree.cpp b/src/vdirectorytree.cpp
index 9de6b06b..4b23453f 100644
--- a/src/vdirectorytree.cpp
+++ b/src/vdirectorytree.cpp
@@ -64,10 +64,10 @@ void VDirectoryTree::setNotebook(const QString& notebookName)
         clear();
         return;
     }
-    const QVector<VNotebook> &notebooks = vnote->getNotebooks();
+    const QVector<VNotebook *> &notebooks = vnote->getNotebooks();
     for (int i = 0; i < notebooks.size(); ++i) {
-        if (notebooks[i].getName() == notebook) {
-            treePath = notebooks[i].getPath();
+        if (notebooks[i]->getName() == notebook) {
+            treePath = notebooks[i]->getPath();
             break;
         }
     }
@@ -585,12 +585,3 @@ void VDirectoryTree::renameDirectory(QTreeWidgetItem *item, const QString &newNa
     qDebug() << "directory renamed" << oldPath << "to" << newPath;
     emit directoryRenamed(notebook, oldPath, newPath);
 }
-
-void VDirectoryTree::handleNotebookRenamed(const QVector<VNotebook> &notebooks,
-                                           const QString &oldName, const QString &newName)
-{
-    if (oldName == notebook) {
-        notebook = newName;
-        qDebug() << "directoryTree update notebook" << oldName << "to" << newName;
-    }
-}
diff --git a/src/vdirectorytree.h b/src/vdirectorytree.h
index 286a25c8..47acc5c1 100644
--- a/src/vdirectorytree.h
+++ b/src/vdirectorytree.h
@@ -23,8 +23,6 @@ public slots:
     void newRootDirectory();
     void deleteDirectory();
     void editDirectoryInfo();
-    void handleNotebookRenamed(const QVector<VNotebook> &notebooks, const QString &oldName,
-                               const QString &newName);
 
 private slots:
     // Read config file and pdate the subtree of @item in the directory tree.
diff --git a/src/veditarea.cpp b/src/veditarea.cpp
index ae6bede8..6a1eb9a9 100644
--- a/src/veditarea.cpp
+++ b/src/veditarea.cpp
@@ -233,17 +233,6 @@ void VEditArea::saveAndReadFile()
     win->saveAndReadFile();
 }
 
-void VEditArea::handleNotebookRenamed(const QVector<VNotebook> &notebooks,
-                                      const QString &oldName, const QString &newName)
-{
-    int nrWin = splitter->count();
-    for (int i = 0; i < nrWin; ++i) {
-        VEditWindow *win = getWindow(i);
-        win->handleNotebookRenamed(notebooks, oldName, newName);
-    }
-    updateWindowStatus();
-}
-
 void VEditArea::handleDirectoryRenamed(const QString &notebook, const QString &oldRelativePath,
                                        const QString &newRelativePath)
 {
diff --git a/src/veditarea.h b/src/veditarea.h
index d0b25e4b..206165ba 100644
--- a/src/veditarea.h
+++ b/src/veditarea.h
@@ -40,8 +40,6 @@ public slots:
     void saveFile();
     void readFile();
     void saveAndReadFile();
-    void handleNotebookRenamed(const QVector<VNotebook> &notebooks, const QString &oldName,
-                               const QString &newName);
     void handleOutlineItemActivated(const VAnchor &anchor);
     void handleDirectoryRenamed(const QString &notebook,
                                 const QString &oldRelativePath, const QString &newRelativePath);
diff --git a/src/veditwindow.cpp b/src/veditwindow.cpp
index 124170f9..00eeaabf 100644
--- a/src/veditwindow.cpp
+++ b/src/veditwindow.cpp
@@ -260,22 +260,6 @@ void VEditWindow::saveFile()
     editor->saveFile();
 }
 
-void VEditWindow::handleNotebookRenamed(const QVector<VNotebook> &notebooks,
-                                        const QString &oldName, const QString &newName)
-{
-    QTabBar *tabs = tabBar();
-    int nrTabs = tabs->count();
-    for (int i = 0; i < nrTabs; ++i) {
-        QJsonObject tabJson = tabs->tabData(i).toJsonObject();
-        if (tabJson["notebook"] == oldName) {
-            tabJson["notebook"] = newName;
-            tabs->setTabData(i, tabJson);
-            tabs->setTabToolTip(i, generateTooltip(tabJson));
-        }
-    }
-    updateTabListMenu();
-}
-
 void VEditWindow::handleDirectoryRenamed(const QString &notebook, const QString &oldRelativePath,
                                          const QString &newRelativePath)
 {
diff --git a/src/veditwindow.h b/src/veditwindow.h
index bfcce0dd..c3a6494b 100644
--- a/src/veditwindow.h
+++ b/src/veditwindow.h
@@ -27,8 +27,6 @@ public:
     void saveFile();
     void readFile();
     void saveAndReadFile();
-    void handleNotebookRenamed(const QVector<VNotebook> &notebooks, const QString &oldName,
-                               const QString &newName);
     bool closeAllFiles(bool p_forced);
     void setRemoveSplitEnable(bool enabled);
     void requestUpdateTabStatus();
diff --git a/src/vfilelist.cpp b/src/vfilelist.cpp
index 1c261e64..a93761c1 100644
--- a/src/vfilelist.cpp
+++ b/src/vfilelist.cpp
@@ -83,10 +83,10 @@ void VFileList::setDirectory(QJsonObject dirJson)
     notebook = dirJson["notebook"].toString();
     relativePath = dirJson["relative_path"].toString();
     rootPath = "";
-    const QVector<VNotebook> &notebooks = vnote->getNotebooks();
+    const QVector<VNotebook *> &notebooks = vnote->getNotebooks();
     for (int i = 0; i < notebooks.size(); ++i) {
-        if (notebooks[i].getName() == notebook) {
-            rootPath = notebooks[i].getPath();
+        if (notebooks[i]->getName() == notebook) {
+            rootPath = notebooks[i]->getPath();
             break;
         }
     }
@@ -430,14 +430,6 @@ bool VFileList::importFile(const QString &name)
     return insertFileListItem(fileJson, true);
 }
 
-void VFileList::handleNotebookRenamed(const QVector<VNotebook> &notebooks,
-                                      const QString &oldName, const QString &newName)
-{
-    if (oldName == notebook) {
-        notebook = newName;
-    }
-}
-
 void VFileList::handleDirectoryRenamed(const QString &notebook,
                                        const QString &oldRelativePath, const QString &newRelativePath)
 {
diff --git a/src/vfilelist.h b/src/vfilelist.h
index efb5a604..2050bba1 100644
--- a/src/vfilelist.h
+++ b/src/vfilelist.h
@@ -44,8 +44,6 @@ private slots:
 
 public slots:
     void setDirectory(QJsonObject dirJson);
-    void handleNotebookRenamed(const QVector<VNotebook> &notebooks, const QString &oldName,
-                               const QString &newName);
     void handleDirectoryRenamed(const QString &notebook, const QString &oldRelativePath,
                                 const QString &newRelativePath);
     void newFile();
diff --git a/src/vmainwindow.cpp b/src/vmainwindow.cpp
index e8748306..948ea2d3 100644
--- a/src/vmainwindow.cpp
+++ b/src/vmainwindow.cpp
@@ -18,7 +18,7 @@ VMainWindow::VMainWindow(QWidget *parent)
 {
     setWindowIcon(QIcon(":/resources/icons/vnote.ico"));
     // Must be called before those who uses VConfigManager
-    vnote = new VNote();
+    vnote = new VNote(this);
     vnote->initPalette(palette());
     initPredefinedColorPixmaps();
     setupUI();
@@ -31,11 +31,6 @@ VMainWindow::VMainWindow(QWidget *parent)
     updateNotebookComboBox(vnote->getNotebooks());
 }
 
-VMainWindow::~VMainWindow()
-{
-    delete vnote;
-}
-
 void VMainWindow::setupUI()
 {
     QWidget *directoryPanel = setupDirectoryPanel();
@@ -60,8 +55,6 @@ void VMainWindow::setupUI()
     connect(notebookComboBox, SIGNAL(currentIndexChanged(int)), this,
             SLOT(setCurNotebookIndex(int)));
 
-    connect(vnote, &VNote::notebooksRenamed,
-            fileList, &VFileList::handleNotebookRenamed);
     connect(directoryTree, &VDirectoryTree::currentDirectoryChanged,
             fileList, &VFileList::setDirectory);
     connect(directoryTree, &VDirectoryTree::directoryRenamed,
@@ -75,8 +68,6 @@ void VMainWindow::setupUI()
             editArea, &VEditArea::closeFile);
     connect(fileList, &VFileList::fileCreated,
             editArea, &VEditArea::openFile);
-    connect(vnote, &VNote::notebooksRenamed,
-            editArea, &VEditArea::handleNotebookRenamed);
     connect(editArea, &VEditArea::curTabStatusChanged,
             this, &VMainWindow::handleCurTabStatusChanged);
     connect(directoryTree, &VDirectoryTree::directoryRenamed,
@@ -91,19 +82,15 @@ void VMainWindow::setupUI()
     connect(notebookInfoBtn, &QPushButton::clicked,
             this, &VMainWindow::onNotebookInfoBtnClicked);
 
-    connect(vnote, &VNote::notebooksChanged,
-            this, &VMainWindow::updateNotebookComboBox);
-    connect(vnote, &VNote::notebooksDeleted,
+    connect(vnote, &VNote::notebookDeleted,
             this, &VMainWindow::notebookComboBoxDeleted);
-    connect(vnote, &VNote::notebooksRenamed,
+    connect(vnote, &VNote::notebookRenamed,
             this, &VMainWindow::notebookComboBoxRenamed);
-    connect(vnote, &VNote::notebooksAdded,
+    connect(vnote, &VNote::notebookAdded,
             this, &VMainWindow::notebookComboBoxAdded);
 
     connect(this, &VMainWindow::curNotebookChanged,
             directoryTree, &VDirectoryTree::setNotebook);
-    connect(vnote, &VNote::notebooksRenamed,
-            directoryTree, &VDirectoryTree::handleNotebookRenamed);
 
     setCentralWidget(mainSplitter);
     // Create and show the status bar
@@ -383,18 +370,18 @@ void VMainWindow::initDockWindows()
     viewMenu->addAction(toolDock->toggleViewAction());
 }
 
-void VMainWindow::updateNotebookComboBox(const QVector<VNotebook> &notebooks)
+void VMainWindow::updateNotebookComboBox(const QVector<VNotebook *> &p_notebooks)
 {
     notebookComboMuted = true;
     notebookComboBox->clear();
-    for (int i = 0; i < notebooks.size(); ++i) {
+    for (int i = 0; i < p_notebooks.size(); ++i) {
         notebookComboBox->addItem(QIcon(":/resources/icons/notebook_item.svg"),
-                                  notebooks[i].getName());
+                                  p_notebooks[i]->getName());
     }
     notebookComboMuted = false;
 
     int index = vconfig.getCurNotebookIndex();
-    if (notebooks.isEmpty()) {
+    if (p_notebooks.isEmpty()) {
         index = -1;
     }
     if (notebookComboBox->currentIndex() == index) {
@@ -404,11 +391,11 @@ void VMainWindow::updateNotebookComboBox(const QVector<VNotebook> &notebooks)
     }
 }
 
-void VMainWindow::notebookComboBoxAdded(const QVector<VNotebook> &notebooks, int idx)
+void VMainWindow::notebookComboBoxAdded(const VNotebook *p_notebook, int p_idx)
 {
     notebookComboMuted = true;
-    notebookComboBox->insertItem(idx, QIcon(":/resources/icons/notebook_item.svg"),
-                                 notebooks[idx].getName());
+    notebookComboBox->insertItem(p_idx, QIcon(":/resources/icons/notebook_item.svg"),
+                                 p_notebook->getName());
     notebookComboMuted = false;
     if (notebookComboBox->currentIndex() == vconfig.getCurNotebookIndex()) {
         setCurNotebookIndex(vconfig.getCurNotebookIndex());
@@ -417,16 +404,11 @@ void VMainWindow::notebookComboBoxAdded(const QVector<VNotebook> &notebooks, int
     }
 }
 
-void VMainWindow::notebookComboBoxDeleted(const QVector<VNotebook> &notebooks, const QString &deletedName)
+void VMainWindow::notebookComboBoxDeleted(int p_oriIdx)
 {
+    Q_ASSERT(p_oriIdx >= 0 && p_oriIdx < notebookComboBox->count());
     notebookComboMuted = true;
-    int nrItem = notebookComboBox->count();
-    for (int i = 0; i < nrItem; ++i) {
-        if (notebookComboBox->itemText(i) == deletedName) {
-            notebookComboBox->removeItem(i);
-            break;
-        }
-    }
+    notebookComboBox->removeItem(p_oriIdx);
     notebookComboMuted = false;
 
     if (notebookComboBox->currentIndex() == vconfig.getCurNotebookIndex()) {
@@ -434,19 +416,12 @@ void VMainWindow::notebookComboBoxDeleted(const QVector<VNotebook> &notebooks, c
     } else {
         notebookComboBox->setCurrentIndex(vconfig.getCurNotebookIndex());
     }
-    Q_ASSERT(notebooks.size() == notebookComboBox->count());
 }
 
-void VMainWindow::notebookComboBoxRenamed(const QVector<VNotebook> &notebooks,
-                                          const QString &oldName, const QString &newName)
+void VMainWindow::notebookComboBoxRenamed(const VNotebook *p_notebook, int p_idx)
 {
-    int nrItem = notebookComboBox->count();
-    for (int i = 0; i < nrItem; ++i) {
-        if (notebookComboBox->itemText(i) == oldName) {
-            notebookComboBox->setItemText(i, newName);
-            break;
-        }
-    }
+    Q_ASSERT(p_idx >= 0 && p_idx < notebookComboBox->count());
+    notebookComboBox->setItemText(p_idx, p_notebook->getName());
     // Renaming a notebook won't change current index
 }
 
@@ -461,7 +436,7 @@ void VMainWindow::setCurNotebookIndex(int index)
     QString notebook;
     if (index > -1) {
         vconfig.setCurNotebookIndex(index);
-        notebook = vnote->getNotebooks()[index].getName();
+        notebook = vnote->getNotebooks()[index]->getName();
         newRootDirAct->setEnabled(true);
     } else {
         newRootDirAct->setEnabled(false);
@@ -494,9 +469,9 @@ void VMainWindow::onNewNotebookBtnClicked()
 
 bool VMainWindow::isConflictWithExistingNotebooks(const QString &name)
 {
-    const QVector<VNotebook> &notebooks = vnote->getNotebooks();
+    const QVector<VNotebook *> &notebooks = vnote->getNotebooks();
     for (int i = 0; i < notebooks.size(); ++i) {
-        if (notebooks[i].getName() == name) {
+        if (notebooks[i]->getName() == name) {
             return true;
         }
     }
@@ -506,15 +481,15 @@ bool VMainWindow::isConflictWithExistingNotebooks(const QString &name)
 void VMainWindow::onDeleteNotebookBtnClicked()
 {
     int curIndex = notebookComboBox->currentIndex();
-    QString curName = vnote->getNotebooks()[curIndex].getName();
-    QString curPath = vnote->getNotebooks()[curIndex].getPath();
+    QString curName = vnote->getNotebooks()[curIndex]->getName();
+    QString curPath = vnote->getNotebooks()[curIndex]->getPath();
 
     QMessageBox msgBox(QMessageBox::Warning, tr("Warning"), QString("Are you sure you want to delete notebook \"%1\"?")
                        .arg(curName), QMessageBox::Ok | QMessageBox::Cancel, this);
     msgBox.setInformativeText(QString("This will delete any files in this notebook (\"%1\").").arg(curPath));
     msgBox.setDefaultButton(QMessageBox::Cancel);
     if (msgBox.exec() == QMessageBox::Ok) {
-        vnote->removeNotebook(curName);
+        vnote->removeNotebook(curIndex);
     }
 }
 
@@ -525,8 +500,8 @@ void VMainWindow::onNotebookInfoBtnClicked()
         return;
     }
     QString info;
-    QString curName = vnote->getNotebooks()[curIndex].getName();
-    QString defaultPath = vnote->getNotebooks()[curIndex].getPath();
+    QString curName = vnote->getNotebooks()[curIndex]->getName();
+    QString defaultPath = vnote->getNotebooks()[curIndex]->getPath();
     QString defaultName(curName);
     do {
         VNotebookInfoDialog dialog(tr("Notebook information"), info, defaultName,
@@ -541,7 +516,7 @@ void VMainWindow::onNotebookInfoBtnClicked()
                 defaultName = name;
                 continue;
             }
-            vnote->renameNotebook(curName, name);
+            vnote->renameNotebook(curIndex, name);
         }
         break;
     } while (true);
diff --git a/src/vmainwindow.h b/src/vmainwindow.h
index 68c43843..5eec4ceb 100644
--- a/src/vmainwindow.h
+++ b/src/vmainwindow.h
@@ -29,7 +29,6 @@ class VMainWindow : public QMainWindow
 
 public:
     VMainWindow(QWidget *parent = 0);
-    ~VMainWindow();
     const QVector<QPair<QString, QString> > &getPalette() const;
 
 private slots:
@@ -38,11 +37,10 @@ private slots:
     void onNewNotebookBtnClicked();
     void onDeleteNotebookBtnClicked();
     void onNotebookInfoBtnClicked();
-    void updateNotebookComboBox(const QVector<VNotebook> &notebooks);
-    void notebookComboBoxAdded(const QVector<VNotebook> &notebooks, int idx);
-    void notebookComboBoxDeleted(const QVector<VNotebook> &notebooks, const QString &deletedName);
-    void notebookComboBoxRenamed(const QVector<VNotebook> &notebooks,
-                                 const QString &oldName, const QString &newName);
+    void updateNotebookComboBox(const QVector<VNotebook *> &p_notebooks);
+    void notebookComboBoxAdded(const VNotebook *p_notebook, int p_idx);
+    void notebookComboBoxDeleted(int p_oriIdx);
+    void notebookComboBoxRenamed(const VNotebook *p_notebook, int p_idx);
     void importNoteFromFile();
     void changeMarkdownConverter(QAction *action);
     void aboutMessage();
diff --git a/src/vnote.cpp b/src/vnote.cpp
index 3cf635c3..b2883688 100644
--- a/src/vnote.cpp
+++ b/src/vnote.cpp
@@ -13,12 +13,12 @@ QString VNote::templateHtml;
 QString VNote::preTemplateHtml;
 QString VNote::postTemplateHtml;
 
-VNote::VNote() : QObject()
+VNote::VNote(QObject *parent)
+    : QObject(parent)
 {
     vconfig.initialize();
     initTemplate();
-    notebooks = vconfig.getNotebooks();
-    emit notebooksChanged(notebooks);
+    vconfig.getNotebooks(m_notebooks, this);
 }
 
 void VNote::initPalette(QPalette palette)
@@ -75,9 +75,9 @@ void VNote::updateTemplate()
     postTemplateHtml = VUtils::readFileFromDisk(vconfig.getPostTemplatePath());
 }
 
-const QVector<VNotebook>& VNote::getNotebooks()
+const QVector<VNotebook *> &VNote::getNotebooks()
 {
-    return notebooks;
+    return m_notebooks;
 }
 
 void VNote::createNotebook(const QString &name, const QString &path)
@@ -92,78 +92,66 @@ void VNote::createNotebook(const QString &name, const QString &path)
     }
 
     // Update notebooks settings
-    notebooks.prepend(VNotebook(name, path));
-    vconfig.setNotebooks(notebooks);
+    VNotebook *nb = new VNotebook(name, path, this);
+    m_notebooks.prepend(nb);
+    vconfig.setNotebooks(m_notebooks);
 
     // Set current index to the new notebook
     vconfig.setCurNotebookIndex(0);
 
-    emit notebooksAdded(notebooks, 0);
+    emit notebookAdded(nb, 0);
 }
 
-void VNote::removeNotebook(const QString &name)
+void VNote::removeNotebook(int idx)
 {
-    // Update notebooks settings
-    QString path;
+    Q_ASSERT(idx >= 0 && idx < m_notebooks.size());
+    VNotebook *nb = m_notebooks[idx];
+    QString name = nb->getName();
+    QString path = nb->getPath();
+
+    // Update notebook settings
     int curIndex = vconfig.getCurNotebookIndex();
-    int index;
-    for (index = 0; index < notebooks.size(); ++index) {
-        if (notebooks[index].getName() == name) {
-            path = notebooks[index].getPath();
-            break;
-        }
-    }
-    if (index == notebooks.size()) {
-        return;
-    }
-    notebooks.remove(index);
-    vconfig.setNotebooks(notebooks);
-    if (notebooks.isEmpty()) {
+    m_notebooks.remove(idx);
+    vconfig.setNotebooks(m_notebooks);
+    if (m_notebooks.isEmpty()) {
         vconfig.setCurNotebookIndex(-1);
-    } else if (index == curIndex) {
+    } else if (idx == curIndex) {
         vconfig.setCurNotebookIndex(0);
     }
 
+    // Close all the directory and files
+    notebookPathHash.remove(name);
+    nb->close(true);
+    delete nb;
+    qDebug() << "notebook" << name << "deleted";
+
     // Delete the directory
     QDir dir(path);
     if (!dir.removeRecursively()) {
-        qWarning() << "error: fail to delete" << path << "recursively";
-    } else {
-        qDebug() << "delete" << path << "recursively";
+        qWarning() << "failed to delete" << path << "recursively";
     }
-
-    notebookPathHash.remove(name);
-    emit notebooksDeleted(notebooks, name);
+    emit notebookDeleted(idx);
 }
 
-void VNote::renameNotebook(const QString &name, const QString &newName)
+void VNote::renameNotebook(int idx, const QString &newName)
 {
-    QString path;
-    int index;
-    for (index = 0; index < notebooks.size(); ++index) {
-        if (notebooks[index].getName() == name) {
-            path = notebooks[index].getPath();
-            break;
-        }
-    }
-    if (index == notebooks.size()) {
-        return;
-    }
-
-    notebooks[index].setName(newName);
-    vconfig.setNotebooks(notebooks);
-
+    Q_ASSERT(idx >= 0 && idx < m_notebooks.size());
+    VNotebook *nb = m_notebooks[idx];
+    QString name = nb->getName();
     notebookPathHash.remove(name);
-    emit notebooksRenamed(notebooks, name, newName);
+    nb->setName(newName);
+    vconfig.setNotebooks(m_notebooks);
+
+    emit notebookRenamed(nb, idx);
 }
 
 QString VNote::getNotebookPath(const QString &name)
 {
     QString path = notebookPathHash.value(name);
     if (path.isEmpty()) {
-        for (int i = 0; i < notebooks.size(); ++i) {
-            if (notebooks[i].getName() == name) {
-                path = notebooks[i].getPath();
+        for (int i = 0; i < m_notebooks.size(); ++i) {
+            if (m_notebooks[i]->getName() == name) {
+                path = m_notebooks[i]->getPath();
                 break;
             }
         }
diff --git a/src/vnote.h b/src/vnote.h
index 450b56d7..d4c4c674 100644
--- a/src/vnote.h
+++ b/src/vnote.h
@@ -17,9 +17,9 @@ class VNote : public QObject
 {
     Q_OBJECT
 public:
-    VNote();
+    VNote(QObject *parent = 0);
 
-    const QVector<VNotebook>& getNotebooks();
+    const QVector<VNotebook *>& getNotebooks();
 
     void initTemplate();
 
@@ -31,8 +31,8 @@ public:
     static QString postTemplateHtml;
 
     void createNotebook(const QString &name, const QString &path);
-    void removeNotebook(const QString &name);
-    void renameNotebook(const QString &name, const QString &newName);
+    void removeNotebook(int idx);
+    void renameNotebook(int idx, const QString &newName);
 
     QString getNotebookPath(const QString &name);
 
@@ -43,15 +43,13 @@ public slots:
     void updateTemplate();
 
 signals:
-    // Force to do a fully update
-    void notebooksChanged(const QVector<VNotebook> &notebooks);
-    void notebooksAdded(const QVector<VNotebook> &notebooks, int idx);
-    void notebooksDeleted(const QVector<VNotebook> &notebooks, const QString &deletedName);
-    void notebooksRenamed(const QVector<VNotebook> &notebooks,
-                          const QString &oldName, const QString &newName);
+    void notebookAdded(const VNotebook *p_notebook, int p_idx);
+    void notebookDeleted(int p_oriIdx);
+    void notebookRenamed(const VNotebook *p_notebook, int p_idx);
 
 private:
-    QVector<VNotebook> notebooks;
+    // Maintain all the notebooks. Other holder should use QPointer.
+    QVector<VNotebook *> m_notebooks;
     QHash<QString, QString> notebookPathHash;
     QVector<QPair<QString, QString> > m_palette;
 };
diff --git a/src/vnotebook.cpp b/src/vnotebook.cpp
index f24fc0ab..0f6223c9 100644
--- a/src/vnotebook.cpp
+++ b/src/vnotebook.cpp
@@ -1,31 +1,37 @@
 #include "vnotebook.h"
 
-VNotebook::VNotebook()
+VNotebook::VNotebook(QObject *parent)
+    : QObject(parent)
 {
 
 }
 
-VNotebook::VNotebook(const QString &name, const QString &path)
-    : name(name), path(path)
+VNotebook::VNotebook(const QString &name, const QString &path, QObject *parent)
+    : QObject(parent), m_name(name), m_path(path)
 {
 }
 
 QString VNotebook::getName() const
 {
-    return this->name;
+    return m_name;
 }
 
 QString VNotebook::getPath() const
 {
-    return this->path;
+    return m_path;
 }
 
 void VNotebook::setName(const QString &name)
 {
-    this->name = name;
+    m_name = name;
 }
 
 void VNotebook::setPath(const QString &path)
 {
-    this->path = path;
+    m_path = path;
+}
+
+void VNotebook::close(bool p_forced)
+{
+    //TODO
 }
diff --git a/src/vnotebook.h b/src/vnotebook.h
index 77ce4ed3..03716575 100644
--- a/src/vnotebook.h
+++ b/src/vnotebook.h
@@ -1,13 +1,19 @@
 #ifndef VNOTEBOOK_H
 #define VNOTEBOOK_H
 
+#include <QObject>
 #include <QString>
 
-class VNotebook
+class VNotebook : public QObject
 {
+    Q_OBJECT
 public:
-    VNotebook();
-    VNotebook(const QString &name, const QString &path);
+    VNotebook(QObject *parent = 0);
+    VNotebook(const QString &name, const QString &path, QObject *parent = 0);
+
+    // Close all the directory and files of this notebook.
+    // If @p_forced, unsaved files will also be closed without a confirm.
+    void close(bool p_forced);
 
     QString getName() const;
     QString getPath() const;
@@ -15,8 +21,8 @@ public:
     void setPath(const QString &path);
 
 private:
-    QString name;
-    QString path;
+    QString m_name;
+    QString m_path;
 };
 
 #endif // VNOTEBOOK_H