do not inherit QListWidget in VFileList

Signed-off-by: Le Tan <tamlokveer@gmail.com>

src/src.pro

@@ -36,7 +36,6 @@ SOURCES += main.cpp\
     vmarkdownconverter.cpp \
     dialog/vnotebookinfodialog.cpp \
     dialog/vdirinfodialog.cpp \
-    vfilelistpanel.cpp \
     dialog/vfileinfodialog.cpp
 
 HEADERS  += vmainwindow.h \
@@ -64,7 +63,6 @@ HEADERS  += vmainwindow.h \
     vmarkdownconverter.h \
     dialog/vnotebookinfodialog.h \
     dialog/vdirinfodialog.h \
-    vfilelistpanel.h \
     dialog/vfileinfodialog.h
 
 RESOURCES += \

src/vfilelist.cpp

@@ -3,18 +3,52 @@
 #include "vfilelist.h"
 #include "vconfigmanager.h"
 #include "dialog/vnewfiledialog.h"
+#include "dialog/vfileinfodialog.h"
 #include "vnote.h"
 
 VFileList::VFileList(VNote *vnote, QWidget *parent)
-    : QListWidget(parent), vnote(vnote)
+    : QWidget(parent), vnote(vnote)
 {
-    setContextMenuPolicy(Qt::CustomContextMenu);
+    setupUI();
     initActions();
+}
 
-    connect(this, &VFileList::customContextMenuRequested,
+void VFileList::setupUI()
+{
+    newFileBtn = new QPushButton(QIcon(":/resources/icons/create_note.png"), "");
+    newFileBtn->setToolTip(tr("Create a new note"));
+    deleteFileBtn = new QPushButton(QIcon(":/resources/icons/delete_note.png"), "");
+    deleteFileBtn->setToolTip(tr("Delete current note"));
+    fileInfoBtn = new QPushButton(QIcon(":/resources/icons/note_info.png"), "");
+    fileInfoBtn->setToolTip(tr("View and edit current note's information"));
+
+    fileList = new QListWidget(this);
+    fileList->setContextMenuPolicy(Qt::CustomContextMenu);
+
+    QHBoxLayout *topLayout = new QHBoxLayout;
+    topLayout->addStretch();
+    topLayout->addWidget(newFileBtn);
+    topLayout->addWidget(deleteFileBtn);
+    topLayout->addWidget(fileInfoBtn);
+
+    QVBoxLayout *mainLayout = new QVBoxLayout;
+    mainLayout->addLayout(topLayout);
+    mainLayout->addWidget(fileList);
+
+    // Signals
+    connect(newFileBtn, &QPushButton::clicked,
+            this, &VFileList::onNewFileBtnClicked);
+    connect(deleteFileBtn, &QPushButton::clicked,
+            this, &VFileList::onDeleteFileBtnClicked);
+    connect(fileInfoBtn, &QPushButton::clicked,
+            this, &VFileList::onFileInfoBtnClicked);
+
+    connect(fileList, &QListWidget::customContextMenuRequested,
             this, &VFileList::contextMenuRequested);
-    connect(this, &VFileList::itemClicked,
+    connect(fileList, &QListWidget::itemClicked,
             this, &VFileList::handleItemClicked);
+
+    setLayout(mainLayout);
 }
 
 void VFileList::initActions()
@@ -32,6 +66,7 @@ void VFileList::initActions()
 
 void VFileList::setDirectory(QJsonObject dirJson)
 {
+    fileList->clear();
     if (dirJson.isEmpty()) {
         clearDirectoryInfo();
         return;
@@ -59,7 +94,6 @@ void VFileList::clearDirectoryInfo()
 
 void VFileList::updateFileList()
 {
-    clear();
     QString path = QDir(rootPath).filePath(relativePath);
 
     if (!QDir(path).exists()) {
@@ -91,6 +125,54 @@ void VFileList::updateFileList()
     }
 }
 
+void VFileList::onNewFileBtnClicked()
+{
+    if (relativePath.isEmpty()) {
+        return;
+    }
+    newFile();
+}
+
+void VFileList::onDeleteFileBtnClicked()
+{
+    QListWidgetItem *curItem = fileList->currentItem();
+    if (!curItem) {
+        return;
+    }
+    deleteFile();
+}
+
+void VFileList::onFileInfoBtnClicked()
+{
+    QListWidgetItem *curItem = fileList->currentItem();
+    if (!curItem) {
+        return;
+    }
+    QJsonObject curItemJson = curItem->data(Qt::UserRole).toJsonObject();
+    Q_ASSERT(!curItemJson.isEmpty());
+    QString curItemName = curItemJson["name"].toString();
+
+    QString info;
+    QString defaultName = curItemName;
+
+    do {
+        VFileInfoDialog dialog(tr("Note Information"), info, defaultName, this);
+        if (dialog.exec() == QDialog::Accepted) {
+            QString name = dialog.getNameInput();
+            if (name == curItemName) {
+                return;
+            }
+            if (isConflictNameWithExisting(name)) {
+                info = "Name already exists.\nPlease choose another name:";
+                defaultName = name;
+                continue;
+            }
+            renameFile(curItem, name);
+        }
+        break;
+    } while (true);
+}
+
 QListWidgetItem* VFileList::insertFileListItem(QJsonObject fileJson, bool atFront)
 {
     Q_ASSERT(!fileJson.isEmpty());
@@ -98,23 +180,23 @@ QListWidgetItem* VFileList::insertFileListItem(QJsonObject fileJson, bool atFron
     item->setData(Qt::UserRole, fileJson);
 
     if (atFront) {
-        insertItem(0, item);
+        fileList->insertItem(0, item);
     } else {
-        addItem(item);
+        fileList->addItem(item);
     }
     // Qt seems not to update the QListWidget correctly. Manually force it to repaint.
-    update();
+    fileList->update();
     qDebug() << "add new list item:" << fileJson["name"].toString();
     return item;
 }
 
 void VFileList::removeFileListItem(QListWidgetItem *item)
 {
-    setCurrentRow(-1);
+    fileList->setCurrentRow(-1);
-    removeItemWidget(item);
+    fileList->removeItemWidget(item);
     delete item;
     // Qt seems not to update the QListWidget correctly. Manually force it to repaint.
-    update();
+    fileList->update();
 }
 
 void VFileList::newFile()
@@ -133,9 +215,9 @@ void VFileList::newFile()
             }
             QListWidgetItem *newItem = createFileAndUpdateList(name);
             if (newItem) {
-                setCurrentItem(newItem);
+                fileList->setCurrentItem(newItem);
                 // Qt seems not to update the QListWidget correctly. Manually force it to repaint.
-                update();
+                fileList->update();
 
                 // Open this file in edit mode
                 QJsonObject itemJson = newItem->data(Qt::UserRole).toJsonObject();
@@ -152,7 +234,7 @@ void VFileList::newFile()
 
 void VFileList::deleteFile()
 {
-    QListWidgetItem *curItem = currentItem();
+    QListWidgetItem *curItem = fileList->currentItem();
     Q_ASSERT(curItem);
     QJsonObject curItemJson = curItem->data(Qt::UserRole).toJsonObject();
     QString curItemName = curItemJson["name"].toString();
@@ -175,7 +257,7 @@ void VFileList::deleteFile()
 
 void VFileList::contextMenuRequested(QPoint pos)
 {
-    QListWidgetItem *item = itemAt(pos);
+    QListWidgetItem *item = fileList->itemAt(pos);
     QMenu menu(this);
 
     if (notebook.isEmpty()) {
@@ -186,14 +268,14 @@ void VFileList::contextMenuRequested(QPoint pos)
         menu.addAction(deleteFileAct);
     }
 
-    menu.exec(mapToGlobal(pos));
+    menu.exec(fileList->mapToGlobal(pos));
 }
 
 bool VFileList::isConflictNameWithExisting(const QString &name)
 {
-    int nrChild = this->count();
+    int nrChild = fileList->count();
     for (int i = 0; i < nrChild; ++i) {
-        QListWidgetItem *item = this->item(i);
+        QListWidgetItem *item = fileList->item(i);
         QJsonObject itemJson = item->data(Qt::UserRole).toJsonObject();
         Q_ASSERT(!itemJson.isEmpty());
         if (itemJson["name"].toString() == name) {
@@ -288,7 +370,7 @@ void VFileList::handleItemClicked(QListWidgetItem *currentItem)
         return;
     }
     // Qt seems not to update the QListWidget correctly. Manually force it to repaint.
-    update();
+    fileList->update();
     QJsonObject itemJson = currentItem->data(Qt::UserRole).toJsonObject();
     Q_ASSERT(!itemJson.isEmpty());
     itemJson["notebook"] = notebook;
@@ -365,3 +447,57 @@ void VFileList::handleDirectoryRenamed(const QString &notebook,
         relativePath = newRelativePath;
     }
 }
+
+void VFileList::renameFile(QListWidgetItem *item, const QString &newName)
+{
+    if (!item) {
+        return;
+    }
+    QJsonObject itemJson = item->data(Qt::UserRole).toJsonObject();
+    Q_ASSERT(!itemJson.isEmpty());
+    QString name = itemJson["name"].toString();
+    QString path = QDir(rootPath).filePath(relativePath);
+    QFile file(QDir(path).filePath(name));
+    QString newFilePath(QDir(path).filePath(newName));
+    Q_ASSERT(file.exists());
+    if (!file.rename(newFilePath)) {
+        qWarning() << "error: fail to rename file" << name << "under" << path;
+        QMessageBox msgBox(QMessageBox::Warning, tr("Warning"), QString("Could not rename note \"%1\" under \"%2\".")
+                           .arg(name).arg(path), QMessageBox::Ok, this);
+        msgBox.setInformativeText(QString("Please check if there already exists a file named \"%1\".").arg(newName));
+        msgBox.exec();
+        return;
+    }
+
+    // Update directory's config file
+    QJsonObject dirJson = VConfigManager::readDirectoryConfig(path);
+    Q_ASSERT(!dirJson.isEmpty());
+    QJsonArray fileArray = dirJson["files"].toArray();
+    int index = 0;
+    for (index = 0; index < fileArray.size(); ++index) {
+        QJsonObject tmp = fileArray[index].toObject();
+        if (tmp["name"].toString() == name) {
+            tmp["name"] = newName;
+            fileArray[index] = tmp;
+            break;
+        }
+    }
+    Q_ASSERT(index != fileArray.size());
+    dirJson["files"] = fileArray;
+    if (!VConfigManager::writeDirectoryConfig(path, dirJson)) {
+        qWarning() << "error: fail to rename file"
+                   << name << "to" << newName;
+        file.rename(name);
+        return;
+    }
+
+    // Update item
+    itemJson["name"] = newName;
+    item->setData(Qt::UserRole, itemJson);
+    item->setText(newName);
+
+    QString oldPath = QDir::cleanPath(QDir(relativePath).filePath(name));
+    QString newPath = QDir::cleanPath(QDir(relativePath).filePath(newName));
+    qDebug() << "file renamed" << oldPath << "to" << newPath;
+    emit fileRenamed(notebook, oldPath, newPath);
+}

src/vfilelist.h

@@ -1,7 +1,7 @@
 #ifndef VFILELIST_H
 #define VFILELIST_H
 
-#include <QListWidget>
+#include <QWidget>
 #include <QJsonObject>
 #include <QFileInfo>
 #include <QDir>
@@ -9,8 +9,11 @@
 
 class QAction;
 class VNote;
+class QListWidget;
+class QListWidgetItem;
+class QPushButton;
 
-class VFileList : public QListWidget
+class VFileList : public QWidget
 {
     Q_OBJECT
 public:
@@ -21,10 +24,15 @@ signals:
     void fileClicked(QJsonObject fileJson);
     void fileDeleted(QJsonObject fileJson);
     void fileCreated(QJsonObject fileJson);
+    void fileRenamed(const QString &notebook, const QString &oldPath,
+                     const QString &newPath);
 
 private slots:
     void contextMenuRequested(QPoint pos);
     void handleItemClicked(QListWidgetItem *currentItem);
+    void onNewFileBtnClicked();
+    void onDeleteFileBtnClicked();
+    void onFileInfoBtnClicked();
 
 public slots:
     void setDirectory(QJsonObject dirJson);
@@ -36,6 +44,7 @@ public slots:
     void deleteFile();
 
 private:
+    void setupUI();
     void updateFileList();
     QListWidgetItem *insertFileListItem(QJsonObject fileJson, bool atFront = false);
     void removeFileListItem(QListWidgetItem *item);
@@ -45,6 +54,7 @@ private:
     void deleteFileAndUpdateList(QListWidgetItem *item);
     void clearDirectoryInfo();
     inline QString getDirectoryName();
+    void renameFile(QListWidgetItem *item, const QString &newName);
 
     VNote *vnote;
     QString notebook;
@@ -53,6 +63,11 @@ private:
     // Used for cache
     QString rootPath;
 
+    QListWidget *fileList;
+    QPushButton *newFileBtn;
+    QPushButton *deleteFileBtn;
+    QPushButton *fileInfoBtn;
+
     // Actions
     QAction *newFileAct;
     QAction *deleteFileAct;

src/vfilelistpanel.cpp

@@ -1,232 +0,0 @@
-#include <QtWidgets>
-#include "vfilelistpanel.h"
-#include "vfilelist.h"
-#include "dialog/vfileinfodialog.h"
-#include "vnotebook.h"
-#include "vnote.h"
-#include "vconfigmanager.h"
-
-VFileListPanel::VFileListPanel(VNote *vnote, QWidget *parent)
-    : QWidget(parent), vnote(vnote)
-{
-    setupUI();
-}
-
-void VFileListPanel::setupUI()
-{
-    newFileBtn = new QPushButton(QIcon(":/resources/icons/create_note.png"), "");
-    newFileBtn->setToolTip(tr("Create a new note"));
-    deleteFileBtn = new QPushButton(QIcon(":/resources/icons/delete_note.png"), "");
-    deleteFileBtn->setToolTip(tr("Delete current note"));
-    fileInfoBtn = new QPushButton(QIcon(":/resources/icons/note_info.png"), "");
-    fileInfoBtn->setToolTip(tr("View and edit current note's information"));
-
-    fileList = new VFileList(vnote);
-
-    QHBoxLayout *topLayout = new QHBoxLayout;
-    topLayout->addStretch();
-    topLayout->addWidget(newFileBtn);
-    topLayout->addWidget(deleteFileBtn);
-    topLayout->addWidget(fileInfoBtn);
-
-    QVBoxLayout *mainLayout = new QVBoxLayout;
-    mainLayout->addLayout(topLayout);
-    mainLayout->addWidget(fileList);
-
-    // Signals
-    connect(fileList, &VFileList::fileClicked,
-            this, &VFileListPanel::fileClicked);
-    connect(fileList, &VFileList::fileDeleted,
-            this, &VFileListPanel::fileDeleted);
-    connect(fileList, &VFileList::fileCreated,
-            this, &VFileListPanel::fileCreated);
-
-    connect(newFileBtn, &QPushButton::clicked,
-            this, &VFileListPanel::onNewFileBtnClicked);
-    connect(deleteFileBtn, &QPushButton::clicked,
-            this, &VFileListPanel::onDeleteFileBtnClicked);
-    connect(fileInfoBtn, &QPushButton::clicked,
-            this, &VFileListPanel::onFileInfoBtnClicked);
-
-    setLayout(mainLayout);
-}
-
-void VFileListPanel::setDirectory(QJsonObject dirJson)
-{
-    if (dirJson.isEmpty()) {
-        clearDirectoryInfo();
-        fileList->setDirectory(dirJson);
-        return;
-    }
-
-    notebook = dirJson["notebook"].toString();
-    relativePath = dirJson["relative_path"].toString();
-    rootPath = "";
-    const QVector<VNotebook> &notebooks = vnote->getNotebooks();
-    for (int i = 0; i < notebooks.size(); ++i) {
-        if (notebooks[i].getName() == notebook) {
-            rootPath = notebooks[i].getPath();
-            break;
-        }
-    }
-    Q_ASSERT(!rootPath.isEmpty());
-
-    fileList->setDirectory(dirJson);
-}
-
-void VFileListPanel::clearDirectoryInfo()
-{
-    notebook = relativePath = rootPath = "";
-    fileList->clear();
-}
-
-void VFileListPanel::handleNotebookRenamed(const QVector<VNotebook> &notebooks,
-                                           const QString &oldName, const QString &newName)
-{
-    if (oldName == notebook) {
-        // Update treePath (though treePath actually will not be changed)
-        notebook = newName;
-        rootPath.clear();
-        const QVector<VNotebook> &notebooks = vnote->getNotebooks();
-        for (int i = 0; i < notebooks.size(); ++i) {
-            if (notebooks[i].getName() == notebook) {
-                rootPath = notebooks[i].getPath();
-                break;
-            }
-        }
-        Q_ASSERT(!rootPath.isEmpty());
-    }
-    fileList->handleNotebookRenamed(notebooks, oldName, newName);
-}
-
-void VFileListPanel::handleDirectoryRenamed(const QString &notebook,
-                                            const QString &oldRelativePath, const QString &newRelativePath)
-{
-    if (notebook == this->notebook
-        && oldRelativePath == relativePath) {
-        relativePath = newRelativePath;
-    }
-    fileList->handleDirectoryRenamed(notebook, oldRelativePath,
-                                     newRelativePath);
-}
-
-bool VFileListPanel::importFile(const QString &name)
-{
-    return fileList->importFile(name);
-}
-
-void VFileListPanel::onNewFileBtnClicked()
-{
-    if (relativePath.isEmpty()) {
-        return;
-    }
-    fileList->newFile();
-}
-
-void VFileListPanel::onDeleteFileBtnClicked()
-{
-    QListWidgetItem *curItem = fileList->currentItem();
-    if (!curItem) {
-        return;
-    }
-    fileList->deleteFile();
-}
-
-void VFileListPanel::onFileInfoBtnClicked()
-{
-    QListWidgetItem *curItem = fileList->currentItem();
-    if (!curItem) {
-        return;
-    }
-    QJsonObject curItemJson = curItem->data(Qt::UserRole).toJsonObject();
-    Q_ASSERT(!curItemJson.isEmpty());
-    QString curItemName = curItemJson["name"].toString();
-
-    QString info;
-    QString defaultName = curItemName;
-
-    do {
-        VFileInfoDialog dialog(tr("Note Information"), info, defaultName, this);
-        if (dialog.exec() == QDialog::Accepted) {
-            QString name = dialog.getNameInput();
-            if (name == curItemName) {
-                return;
-            }
-            if (isConflictNameWithExisting(name)) {
-                info = "Name already exists.\nPlease choose another name:";
-                defaultName = name;
-                continue;
-            }
-            renameFile(curItem, name);
-        }
-        break;
-    } while (true);
-}
-
-bool VFileListPanel::isConflictNameWithExisting(const QString &name)
-{
-    int nrChild = fileList->count();
-    for (int i = 0; i < nrChild; ++i) {
-        QListWidgetItem *item = fileList->item(i);
-        QJsonObject itemJson = item->data(Qt::UserRole).toJsonObject();
-        Q_ASSERT(!itemJson.isEmpty());
-        if (itemJson["name"].toString() == name) {
-            return true;
-        }
-    }
-    return false;
-}
-
-void VFileListPanel::renameFile(QListWidgetItem *item, const QString &newName)
-{
-    if (!item) {
-        return;
-    }
-    QJsonObject itemJson = item->data(Qt::UserRole).toJsonObject();
-    Q_ASSERT(!itemJson.isEmpty());
-    QString name = itemJson["name"].toString();
-    QString path = QDir(rootPath).filePath(relativePath);
-    QFile file(QDir(path).filePath(name));
-    QString newFilePath(QDir(path).filePath(newName));
-    Q_ASSERT(file.exists());
-    if (!file.rename(newFilePath)) {
-        qWarning() << "error: fail to rename file" << name << "under" << path;
-        QMessageBox msgBox(QMessageBox::Warning, tr("Warning"), QString("Could not rename note \"%1\" under \"%2\".")
-                           .arg(name).arg(path), QMessageBox::Ok, this);
-        msgBox.setInformativeText(QString("Please check if there already exists a file named \"%1\".").arg(newName));
-        msgBox.exec();
-        return;
-    }
-
-    // Update directory's config file
-    QJsonObject dirJson = VConfigManager::readDirectoryConfig(path);
-    Q_ASSERT(!dirJson.isEmpty());
-    QJsonArray fileArray = dirJson["files"].toArray();
-    int index = 0;
-    for (index = 0; index < fileArray.size(); ++index) {
-        QJsonObject tmp = fileArray[index].toObject();
-        if (tmp["name"].toString() == name) {
-            tmp["name"] = newName;
-            fileArray[index] = tmp;
-            break;
-        }
-    }
-    Q_ASSERT(index != fileArray.size());
-    dirJson["files"] = fileArray;
-    if (!VConfigManager::writeDirectoryConfig(path, dirJson)) {
-        qWarning() << "error: fail to rename file"
-                   << name << "to" << newName;
-        file.rename(name);
-        return;
-    }
-
-    // Update item
-    itemJson["name"] = newName;
-    item->setData(Qt::UserRole, itemJson);
-    item->setText(newName);
-
-    QString oldPath = QDir::cleanPath(QDir(relativePath).filePath(name));
-    QString newPath = QDir::cleanPath(QDir(relativePath).filePath(newName));
-    qDebug() << "file renamed" << oldPath << "to" << newPath;
-    emit fileRenamed(notebook, oldPath, newPath);
-}

src/vfilelistpanel.h

@@ -1,70 +0,0 @@
-#ifndef VFILELISTPANEL_H
-#define VFILELISTPANEL_H
-
-#include <QWidget>
-#include <QString>
-#include <QVector>
-#include <QJsonObject>
-#include <QDir>
-#include <QFile>
-#include "vnotebook.h"
-
-class VNote;
-class VFileList;
-class QPushButton;
-class QListWidgetItem;
-
-class VFileListPanel : public QWidget
-{
-    Q_OBJECT
-public:
-    VFileListPanel(VNote *vnote, QWidget *parent = 0);
-    bool importFile(const QString &name);
-
-signals:
-    void fileClicked(QJsonObject fileJson);
-    void fileDeleted(QJsonObject fileJson);
-    void fileCreated(QJsonObject fileJson);
-    void fileRenamed(const QString &notebook, const QString &oldPath,
-                     const QString &newPath);
-
-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);
-
-private slots:
-    void onNewFileBtnClicked();
-    void onDeleteFileBtnClicked();
-    void onFileInfoBtnClicked();
-
-private:
-    void setupUI();
-    bool isConflictNameWithExisting(const QString &name);
-    void renameFile(QListWidgetItem *item, const QString &newName);
-    void clearDirectoryInfo();
-    inline QString getDirectoryName();
-
-    VNote *vnote;
-    QString notebook;
-    // Current directory's relative path
-    QString relativePath;
-    // Used for cache
-    QString rootPath;
-
-    VFileList *fileList;
-    QPushButton *newFileBtn;
-    QPushButton *deleteFileBtn;
-    QPushButton *fileInfoBtn;
-};
-
-inline QString VFileListPanel::getDirectoryName()
-{
-    if (relativePath.isEmpty()) {
-        return "";
-    }
-    return QFileInfo(QDir::cleanPath(relativePath)).fileName();
-}
-#endif // VFILELISTPANEL_H

src/vmainwindow.cpp

@@ -2,7 +2,7 @@
 #include "vmainwindow.h"
 #include "vdirectorytree.h"
 #include "vnote.h"
-#include "vfilelistpanel.h"
+#include "vfilelist.h"
 #include "vtabwidget.h"
 #include "vconfigmanager.h"
 #include "dialog/vnewnotebookdialog.h"
@@ -75,8 +75,8 @@ void VMainWindow::setupUI()
     nbContainer->setLayout(nbLayout);
     nbContainer->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Expanding);
 
-    fileListPanel = new VFileListPanel(vnote);
+    fileList = new VFileList(vnote);
-    fileListPanel->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Expanding);
+    fileList->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Expanding);
 
     // Editor tab widget
     tabs = new VTabWidget(vnote);
@@ -86,7 +86,7 @@ void VMainWindow::setupUI()
     // Main Splitter
     mainSplitter = new QSplitter();
     mainSplitter->addWidget(nbContainer);
-    mainSplitter->addWidget(fileListPanel);
+    mainSplitter->addWidget(fileList);
     mainSplitter->addWidget(tabs);
     mainSplitter->setStretchFactor(0, 1);
     mainSplitter->setStretchFactor(1, 1);
@@ -97,17 +97,17 @@ void VMainWindow::setupUI()
             SLOT(setCurNotebookIndex(int)));
 
     connect(vnote, &VNote::notebooksRenamed,
-            fileListPanel, &VFileListPanel::handleNotebookRenamed);
+            fileList, &VFileList::handleNotebookRenamed);
     connect(directoryTree, &VDirectoryTree::currentDirectoryChanged,
-            fileListPanel, &VFileListPanel::setDirectory);
+            fileList, &VFileList::setDirectory);
     connect(directoryTree, &VDirectoryTree::directoryRenamed,
-            fileListPanel, &VFileListPanel::handleDirectoryRenamed);
+            fileList, &VFileList::handleDirectoryRenamed);
 
-    connect(fileListPanel, &VFileListPanel::fileClicked,
+    connect(fileList, &VFileList::fileClicked,
             tabs, &VTabWidget::openFile);
-    connect(fileListPanel, &VFileListPanel::fileDeleted,
+    connect(fileList, &VFileList::fileDeleted,
             tabs, &VTabWidget::closeFile);
-    connect(fileListPanel, &VFileListPanel::fileCreated,
+    connect(fileList, &VFileList::fileCreated,
             tabs, &VTabWidget::openFile);
 
     connect(newNotebookBtn, &QPushButton::clicked,
@@ -454,7 +454,7 @@ void VMainWindow::importNoteFromFile()
 
     QStringList failedFiles;
     for (int i = 0; i < files.size(); ++i) {
-        bool ret = fileListPanel->importFile(files[i]);
+        bool ret = fileList->importFile(files[i]);
         if (!ret) {
             failedFiles.append(files[i]);
         }

src/vmainwindow.h

@@ -16,7 +16,7 @@ class QAction;
 class QPushButton;
 class VNotebook;
 class QActionGroup;
-class VFileListPanel;
+class VFileList;
 
 class VMainWindow : public QMainWindow
 {
@@ -70,7 +70,7 @@ private:
     QPushButton *newRootDirBtn;
     QPushButton *deleteDirBtn;
     QPushButton *dirInfoBtn;
-    VFileListPanel *fileListPanel;
+    VFileList *fileList;
     VDirectoryTree *directoryTree;
     VTabWidget *tabs;
     QSplitter *mainSplitter;