Folders in local library: W.-I.-P.

src/eink.qrc

@@ -15,6 +15,8 @@
         <file>resources/close.png</file>
         <file>resources/chevron-left.png</file>
         <file>resources/chevron-right.png</file>
+        <file>resources/chevron-down.png</file>
+        <file>resources/chevron-up.png</file>
         <file>resources/christie.png</file>
         <file>resources/exit.png</file>
         <file>resources/usbms.png</file>
@@ -103,5 +105,7 @@
         <file>resources/checkbox-checked-small.png</file>
         <file>resources/checkbox-x-small.png</file>
         <file>resources/checkbox-x.png</file>
+        <file>resources/folder.png</file>
+        <file>resources/question-mark.png</file>
     </qresource>
 </RCC>

src/functions.h

@@ -141,12 +141,16 @@ namespace global {
         static inline QString pinnedBooksDatabasePath = databaseDirectoryPath + "PinnedBooks.db";
         static inline QString highlightsDatabasePath = databaseDirectoryPath + "Highlights.db";
         static inline QString todoDatabasePath = databaseDirectoryPath + "ToDo.db";
+        // Maximum signed integer value for 32-bit systems
+        static inline int folderID = 2147483647;
         inline bool headless;
         namespace bookOptionsDialog {
             inline int bookID;
             inline bool deleteOption = true;
             inline bool bookDeleted;
             inline bool bookPinAction;
+            inline QString folderPath;
+            inline bool isFolder = false;
         }
     }
     namespace localStorage {

src/localLibrary/locallibrarywidget.cpp

@@ -16,11 +16,14 @@ localLibraryWidget::localLibraryWidget(QWidget *parent) :
     ui->previousPageBtn->setProperty("type", "borderless");
     ui->previousPageBtn->setEnabled(false);
     ui->nextPageBtn->setProperty("type", "borderless");
+    ui->goUpBtn->setProperty("type", "borderless");
+    ui->pathBtn->setProperty("type", "borderless");
     ui->previousPageBtn->setIcon(QIcon(":/resources/chevron-left.png"));
     ui->nextPageBtn->setIcon(QIcon(":/resources/chevron-right.png"));
     ui->pageNumberLabel->setFont(QFont("Source Serif Pro"));
     ui->pageNumberLabel->setStyleSheet("color: black; background-color: white; border-radius: 10px; padding-left: 10px; padding-right: 10px");
-    ui->verticalLayout->setSpacing(4);
+
+    ui->goUpBtn->setEnabled(false);
 
     if(global::deviceID == "n705\n") {
         buttonsNumber = 3;
@@ -119,6 +122,17 @@ localLibraryWidget::localLibraryWidget(QWidget *parent) :
         showToast("Generating database");
     }
     QTimer::singleShot(100, this, SLOT(setupDisplay()));
+
+    if(checkconfig("/mnt/onboard/.adds/inkbox/.config/21-local_library/folders") == false) {
+        folderFeatureEnabled = true;
+        ui->goUpBtn->hide();
+        ui->pathBtn->hide();
+        ui->goUpBtn->deleteLater();
+        ui->pathBtn->deleteLater();
+    }
+    else {
+        folderFeatureEnabled = false;
+    }
 }
 
 localLibraryWidget::~localLibraryWidget()
@@ -178,7 +192,12 @@ void localLibraryWidget::setupDatabase() {
     databaseJsonArrayList = databaseJsonObject["database"].toArray();
     // Determine maximum page number
     booksNumber = databaseJsonArrayList.size();
+    if(folderFeatureEnabled == false) {
            pagesNumber = std::ceil((double)booksNumber / buttonsNumber);
+    }
+    else {
+           calculateMaximumPagesNumberForFolders();
+    }
     if(databaseJsonArrayList.isEmpty()) {
         log("Database is empty", className);
         noBooksInDatabase = true;
@@ -278,8 +297,19 @@ void localLibraryWidget::setupBooksList(int pageNumber) {
 
 void localLibraryWidget::on_previousPageBtn_clicked()
 {
+    log("Previous button clicked", className);
+
+    if(folderFeatureEnabled == true) {
+        log("Decreasing bookIndexVector by buttonsNumber", className);
+        bookIndexVector = (bookIndexVector - goBackInIndex) - buttonsNumber;
+        if(bookIndexVector < 0) {
+            log("Error: Shouldn't be possible to get here", className);
+            bookIndexVector = 0;
+        }
+    }
+
     currentPageNumber--;
-    setupBooksList(currentPageNumber);
+    setupBooksListToggle(currentPageNumber);
 
     pagesTurned = pagesTurned + 1;
     if(pagesTurned >= 3) {
@@ -292,7 +322,7 @@ void localLibraryWidget::on_previousPageBtn_clicked()
 void localLibraryWidget::on_nextPageBtn_clicked()
 {
     currentPageNumber++;
-    setupBooksList(currentPageNumber);
+    setupBooksListToggle(currentPageNumber);
 
     pagesTurned = pagesTurned + 1;
     if(pagesTurned >= 3) {
@@ -309,9 +339,22 @@ void localLibraryWidget::openBook(int bookID) {
 }
 
 void localLibraryWidget::btnOpenBook(int buttonNumber) {
+    log("Book/directory button clicked, buttonNumber is " + QString::number(buttonNumber), className);
     int id = idList.at(buttonNumber - 1);
+    if(id == global::localLibrary::folderID) {
+        if(folderFeatureEnabled == true) {
+            log("A folder was selected", className);
+            QString directory = bookBtnArray[buttonNumber]->text();
+            log("Chosen directory is '" + directory + "'", className);
+            ui->goUpBtn->setEnabled(true);
+            changePathAndRefresh(directory);
+        }
+    }
+    else {
+        log("A book was selected", className);
         openBook(id);
         localLibraryWidget::close();
+    }
 }
 
 void localLibraryWidget::openGoToPageDialog() {
@@ -328,8 +371,11 @@ void localLibraryWidget::goToPage(int page) {
         showToast("Request is beyond page range");
     }
     else {
+        if(folderFeatureEnabled == true) {
+            calculateIndexForPage(page);
+        }
         log("Going to page " + QString::number(page), className);
-        setupBooksList(page);
+        setupBooksListToggle(page);
         emit refreshScreen();
     }
 }
@@ -343,10 +389,10 @@ void localLibraryWidget::setupDisplay() {
     if(noBooksInDatabase == false) {
         // Prevent segmentation fault if a book was the last of its page
         if(currentPageNumber > pagesNumber) {
-            setupBooksList(currentPageNumber - 1);
+            setupBooksListToggle(currentPageNumber - 1);
         }
         else {
-            setupBooksList(currentPageNumber);
+            setupBooksListToggle(currentPageNumber);
         }
     }
     else {
@@ -366,7 +412,26 @@ void localLibraryWidget::showToast(QString messageToDisplay) {
 
 void localLibraryWidget::openBookOptionsDialog(int pseudoBookID) {
     // Determine book ID from the book's button number
+    // pseudoBookID represents the button's number
     int bookID = ((currentPageNumber * buttonsNumber) - (buttonsNumber - 1)) + (pseudoBookID - 1);
+    log("BookID is " + QString::number(bookID), className);
+    int id = idList.at(pseudoBookID - 1);
+    log("ID from database is " + QString::number(id), className);
+
+    if(id == global::localLibrary::folderID) {
+        if(folderFeatureEnabled == true) {
+            bookID = id;
+            log("Opening options dialog for directory", className);
+            QString directoryPath = bookBtnArray[pseudoBookID]->text();
+            log("Directory path is '" + directoryPath + "'", className);
+            global::localLibrary::bookOptionsDialog::isFolder = true;
+            global::localLibrary::bookOptionsDialog::folderPath = pathForFolders + directoryPath;
+        }
+    }
+    else {
+        global::localLibrary::bookOptionsDialog::isFolder = false;
+        global::localLibrary::bookOptionsDialog::folderPath = "";
+    }
 
     log("Opening book options dialog for book with pseudo-ID " + QString::number(pseudoBookID) + ", ID " + QString::number(bookID), className);
     global::localLibrary::bookOptionsDialog::bookID = bookID;
@@ -374,6 +439,7 @@ void localLibraryWidget::openBookOptionsDialog(int pseudoBookID) {
     QObject::connect(bookOptionsDialogWindow, &bookOptionsDialog::openLocalBookInfoDialog, this, &localLibraryWidget::openLocalBookInfoDialog);
     QObject::connect(bookOptionsDialogWindow, &bookOptionsDialog::showToast, this, &localLibraryWidget::showToast);
     QObject::connect(bookOptionsDialogWindow, &bookOptionsDialog::destroyed, this, &localLibraryWidget::handlePossibleBookDeletion);
+    QObject::connect(bookOptionsDialogWindow, &bookOptionsDialog::removedFolder, this, &localLibraryWidget::refreshFolders);
     bookOptionsDialogWindow->setAttribute(Qt::WA_DeleteOnClose);
     bookOptionsDialogWindow->setWindowFlags(Qt::FramelessWindowHint | Qt::Popup);
     bookOptionsDialogWindow->show();
@@ -397,3 +463,299 @@ void localLibraryWidget::openLocalBookInfoDialog() {
     bookInfoDialogWindow->setAttribute(Qt::WA_DeleteOnClose);
     bookInfoDialogWindow->show();
 }
+
+void localLibraryWidget::setupBooksListToggle(int pageNumber) {
+    if(checkconfig("/mnt/onboard/.adds/inkbox/.config/21-local_library/folders") == true) {
+        setupBooksListFolders(pageNumber);
+    }
+    else {
+        setupBooksList(pageNumber);
+    }
+}
+
+void localLibraryWidget::setupBooksListFolders(int pageNumber) {
+    log("Showing local library with folders", className);
+    QStringList dirList = QDir(pathForFolders).entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name);
+    log("Full directory list: "+ dirList.join(","), className);
+
+    // This part is calculating which folders to show per page
+    QStringList directoryListFront = dirList;
+    QStringList directoryListBack = dirList;
+    int pageNumberAbove = pageNumber;
+    while(pageNumberAbove != 1) {
+        for (int i = 0; i < buttonsNumber; ++i) {
+            if(directoryListFront.isEmpty() == false) {
+                directoryListFront.removeFirst();
+            }
+        }
+        pageNumberAbove = pageNumberAbove - 1;
+    }
+    log("Front directory list: " + directoryListFront.join(","), className);
+
+    int aboveRemove = pageNumber * buttonsNumber;
+    if(directoryListBack.count() > aboveRemove) {
+        while(directoryListBack.count() > aboveRemove) {
+            if(directoryListBack.isEmpty() == false) {
+                directoryListBack.removeLast();
+            }
+        }
+    }
+    log("Back directory list: " + directoryListBack.join(","), className);
+
+    QStringList directoryListPure;
+    for(QString directory: directoryListFront) {
+        if(directoryListBack.contains(directory) == true) {
+            directoryListPure.append(directory);
+        }
+    }
+    log("Final directory list: " + directoryListPure.join(","), className);
+
+    idList.clear();
+    int in = 1;
+    int directoryCount = 0; // I want to start at 0
+    goBackInIndex = 0;
+    for(int i = (1 * pageNumber * buttonsNumber) - (buttonsNumber - 1); i <= (1 * pageNumber * buttonsNumber); i++) {
+        if(directoryListPure.count() != directoryCount) {
+            // Insert a folder if here
+            log("Showing a folder for index " + QString::number(i), className);
+
+            // Show it, it may be hidden
+            bookIconArray[in]->show();
+            bookBtnArray[in]->show();
+            if(buttonsNumber - in > 0) {
+                lineArray[in]->show();
+            }
+
+            bookBtnArray[in]->setText("<font face='Inter'><b>" + directoryListPure.at(directoryCount) + "</b></font>");
+            bookIconArray[in]->setPixmap(pixmapForFolder.scaled(stdIconWidth, stdIconHeight, Qt::KeepAspectRatio, Qt::SmoothTransformation));
+
+            // ID for indicating that it's a folder in btnOpenBook
+            idList.append(global::localLibrary::folderID);
+            directoryCount = directoryCount + 1;
+            in++;
+        }
+        else {
+            // Show a book otherwise
+            log("bookIndexVector used: " + QString::number(bookIndexVector), className);
+            log("Showing a book for index: " + QString::number(i), className);
+            // Read database info for each book and display the corresponding information on each button
+            bookIconArray[in]->show();
+            bookBtnArray[in]->show();
+            if(buttonsNumber - in > 0) {
+                lineArray[in]->show();
+            }
+
+            // If a book is missing, it's propably because of '>='
+            if(bookIndexVector >= booksListForPathIndex.count()) {
+                continue;
+            }
+
+            QJsonObject jsonObject = databaseJsonArrayList.at(booksListForPathIndex.at(bookIndexVector)).toObject();
+            QString bookTitle = jsonObject["Title"].toString();
+            QString bookAuthor = jsonObject["Author"].toString();
+            QString coverPath = jsonObject["CoverPath"].toString();
+            QString bookID = jsonObject["BookID"].toString();
+
+            if(!coverPath.isEmpty()) {
+                // Display book cover if found
+                QPixmap pixmap(coverPath);
+                bookIconArray[in]->setPixmap(pixmap.scaled(stdIconWidth, stdIconHeight, Qt::KeepAspectRatio));
+            }
+            else {
+                QPixmap pixmap(":/resources/cover_unavailable.png");
+                bookIconArray[in]->setPixmap(pixmap.scaled(stdIconWidth, stdIconHeight, Qt::KeepAspectRatio, Qt::SmoothTransformation));
+            }
+
+            // Display book title
+            idList.append(bookID.toInt());
+            if(bookTitle.length() > bookTitleTruncateThreshold) {
+                bookTitle.truncate(bookTitleTruncateThreshold);
+                bookTitle.append("...");
+            }
+            if(!bookAuthor.isEmpty()) {
+                // Book is likely an ePUB
+                bookBtnArray[in]->setText("<font face='Inter'><b>" + bookTitle + "</b></font>" + "<br>" + bookAuthor);
+            }
+            else {
+                // Book is likely a PDF or a picture
+                bookBtnArray[in]->setText("<font face='Inter'><b>" + bookTitle + "</b></font>");
+            }
+            if(!bookID.isEmpty()) {
+                in++;
+            }
+            bookIndexVector = bookIndexVector + 1;
+        }
+        goBackInIndex = goBackInIndex + 1;
+    }
+
+    if(in <= buttonsNumber) {
+        for(int i = in; i <= buttonsNumber; i++) {
+            log("Hiding items in LocalLibrary", className);
+            bookIconArray[i]->hide();
+            bookBtnArray[i]->hide();
+            if(i - 1 < buttonsNumber) {
+                lineArray[(i - 1)]->hide();
+            }
+        }
+    }
+
+    ui->pageNumberLabel->setText(QString::number(pageNumber) + " <i>of</i> " + QString::number(pagesNumber));
+    // NOTICE: Memory leak?
+    // Do it twice, otherwise the layout doesn't show as intended
+    for(int i = 0; i <= 1; i++) {
+        ui->verticalLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding));
+    }
+
+    // Set boundaries for 'Previous'/'Next' page turn buttons
+    currentPageNumber = pageNumber;
+    ui->previousPageBtn->setEnabled(true);
+    ui->nextPageBtn->setEnabled(true);
+    if(currentPageNumber - 1 < 1) {
+        ui->previousPageBtn->setEnabled(false);
+        ui->nextPageBtn->setEnabled(true);
+    }
+    if(currentPageNumber + 1 > pagesNumber) {
+        ui->previousPageBtn->setEnabled(true);
+        ui->nextPageBtn->setEnabled(false);
+    }
+    if(currentPageNumber - 1 < 1 and currentPageNumber + 1 > pagesNumber) {
+        ui->previousPageBtn->setEnabled(false);
+        ui->nextPageBtn->setEnabled(false);
+    }
+}
+
+// Sets pagesNumber for folders feature, and everything else
+void localLibraryWidget::calculateMaximumPagesNumberForFolders() {
+    log("Main path is '" + pathForFolders + "'", className);
+
+    // Look for books in this path
+    booksListForPathIndex.clear();
+    int count = 0;
+    for(QJsonValue object: databaseJsonArrayList) {
+        QString bookPath = object.toObject()["BookPath"].toString();
+        QString bookDirPath = QFileInfo(bookPath).absoluteDir().path();
+
+        if(bookDirPath.at(bookDirPath.count() - 1) == "/") {
+            bookDirPath = bookDirPath.remove(bookDirPath.count() - 1, 1);
+        }
+
+        QString temporaryPathForFolders = pathForFolders;
+        if(temporaryPathForFolders.at(temporaryPathForFolders.count() - 1) == "/") {
+            temporaryPathForFolders = temporaryPathForFolders.remove(temporaryPathForFolders.count() - 1, 1);
+        }
+
+        if(bookDirPath == temporaryPathForFolders) {
+            booksListForPathIndex.append(count);
+        }
+        count = count + 1;
+    }
+    QStringList list;
+    foreach (int number, booksListForPathIndex) {
+        list.append(QString::number(number));
+    }
+
+    directoryListCount = QDir(pathForFolders).entryList(QDir::Dirs | QDir::NoDotAndDotDot, QDir::Name).count();
+    log("Directories count in directory: " + QString::number(directoryListCount), className);
+    completeItemsList = booksListForPathIndex.count() + directoryListCount;
+    log("All items: " + QString::number(completeItemsList), className);
+
+    pagesNumber = std::ceil((double)completeItemsList / buttonsNumber);
+
+    log("Total pages: " + QString::number(pagesNumber), className);
+
+    // This is the last page full of folders
+    firstPageForBooks = (QString::number(float(directoryListCount) / buttonsNumber).split(".").first()).toInt();
+    log("There are so many pages with folders: " + QString::number(firstPageForBooks), className);
+
+    // This indicates how much folders are after firstPageForBooks. It's always less than buttonsNumber
+    lastPageFolderCount = directoryListCount;
+    while(lastPageFolderCount >= buttonsNumber) {
+        lastPageFolderCount = lastPageFolderCount - buttonsNumber;
+    }
+    log("Start after item on the last page: " + QString::number(lastPageFolderCount), className);
+
+    // Sorting the vector if needed should be done here
+}
+
+void localLibraryWidget::calculateIndexForPage(int pageNumber) {
+    if(pageNumber == firstPageForBooks + 1) {
+        log("Variable firstPageForBooks is 0", className);
+        bookIndexVector = 0;
+        return void();
+    }
+
+    if(pageNumber == firstPageForBooks + 2) {
+        log("The page is just after firstPageForBooks", className);
+        bookIndexVector = buttonsNumber - lastPageFolderCount;
+        return void();
+    }
+    else if(pageNumber > firstPageForBooks + 2) {
+        bookIndexVector = buttonsNumber - lastPageFolderCount;
+        int pageUntilGoal = 1;
+        int pageDifference = pageNumber - (firstPageForBooks + 2);
+        log("Variable firstPageForBooks is " + QString::number(firstPageForBooks), className);
+        log("Variable pageDifference is " + QString::number(pageDifference), className);
+        if(pageDifference != 0) {
+            while(pageUntilGoal != pageDifference) {
+                log("Looping for pageUntilGoal");
+                bookIndexVector = bookIndexVector + buttonsNumber;
+                pageUntilGoal++;
+            }
+        }
+        bookIndexVector = bookIndexVector + buttonsNumber;
+        log("Calculated bookIndexVector is " + QString::number(bookIndexVector), className);
+    }
+    else {
+        log("Variable pageNumber isn't higher than firstPageForBooks", className);
+        bookIndexVector = 0;
+    }
+}
+
+void localLibraryWidget::changePathAndRefresh(QString directory) {
+    log("Changing path", className);
+    QString temporaryPathForFolders = pathForFolders + directory + "/";
+    if(QDir(temporaryPathForFolders).isEmpty() == false) {
+        pathForFolders = temporaryPathForFolders;
+        calculateMaximumPagesNumberForFolders();
+        bookIndexVector = 0;
+        goToPage(1);
+    }
+    else {
+        showToast("Directory is empty");
+    }
+}
+
+void localLibraryWidget::on_goUpBtn_clicked()
+{
+    if(pathForFolders != "/mnt/onboard/onboard/") {
+        log("Changing path; going back", className);
+        // This can't be a one-liner
+        QDir temporaryPathForFolders = QDir(pathForFolders);
+        temporaryPathForFolders.cdUp();
+        pathForFolders = temporaryPathForFolders.path();
+        pathForFolders = pathForFolders + "/";
+        if(pathForFolders == "/mnt/onboard/onboard/") {
+            ui->goUpBtn->setDisabled(true);
+        }
+        log("New path is '" + pathForFolders + "'", className);
+
+        calculateMaximumPagesNumberForFolders();
+        bookIndexVector = 0;
+        goToPage(1);
+    }
+}
+
+void localLibraryWidget::on_pathBtn_clicked()
+{
+    log("Showing path dialog", className);
+    QString pathForFoldersSaved = pathForFolders;
+    showToast(pathForFolders.remove(0, 20));
+    pathForFolders = pathForFoldersSaved;
+}
+
+void localLibraryWidget::refreshFolders() {
+    log("Called refresh folders");
+    calculateMaximumPagesNumberForFolders();
+    bookIndexVector = 0;
+    goToPage(1);
+}

src/localLibrary/locallibrarywidget.h

@@ -41,6 +41,19 @@ public:
     int bookTitleTruncateThreshold;
     QVector<int> idList;
     bool noBooksInDatabase = true;
+    // For folder feature
+    QString pathForFolders = "/mnt/onboard/onboard/";
+    bool folderFeatureEnabled = false;
+    int firstPageForBooks;
+    int lastPageFolderCount;
+    int bookIndexVector = 0;
+    int goBackInIndex = 0;
+    QPixmap pixmapForFolder = QPixmap(":/resources/folder.png");
+    QVector<int> booksListForPathIndex;
+    int fileListCount;
+    int directoryListCount;
+    int completeItemsList;
+
 
 private slots:
     void setupDatabase();
@@ -57,6 +70,16 @@ private slots:
     void openBookOptionsDialog(int pseudoBookID);
     void handlePossibleBookDeletion();
     void openLocalBookInfoDialog();
+    // For folder feature
+    void setupBooksListFolders(int pageNumber);
+    void setupBooksListToggle(int pageNumber);
+    void calculateMaximumPagesNumberForFolders();
+    void calculateIndexForPage(int pageNumber);
+    // Dir without "/" at the end and begining
+    void changePathAndRefresh(QString directory);
+    void refreshFolders();
+    void on_goUpBtn_clicked();
+    void on_pathBtn_clicked();
 
 private:
     Ui::localLibraryWidget * ui;

src/localLibrary/locallibrarywidget.ui

@@ -43,14 +43,31 @@
    </property>
    <item>
     <layout class="QGridLayout" name="gridLayout">
-     <item row="0" column="6">
+     <item row="0" column="3">
+      <widget class="QPushButton" name="pathBtn">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string/>
+       </property>
+       <property name="icon">
+        <iconset resource="../eink.qrc">
+         <normaloff>:/resources/question-mark.png</normaloff>:/resources/question-mark.png</iconset>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="9">
       <widget class="QPushButton" name="nextPageBtn">
        <property name="text">
         <string/>
        </property>
       </widget>
      </item>
-     <item row="0" column="4">
+     <item row="0" column="7">
       <widget class="QClickableLabel" name="pageNumberLabel" native="true">
        <property name="text" stdset="0">
         <string/>
@@ -58,22 +75,13 @@
       </widget>
      </item>
      <item row="0" column="5">
-      <spacer name="horizontalSpacer_3">
+      <widget class="QPushButton" name="previousPageBtn">
-       <property name="orientation">
+       <property name="text">
-        <enum>Qt::Horizontal</enum>
+        <string/>
        </property>
-       <property name="sizeType">
+      </widget>
-        <enum>QSizePolicy::Maximum</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>40</width>
-         <height>20</height>
-        </size>
-       </property>
-      </spacer>
      </item>
-     <item row="0" column="3">
+     <item row="0" column="6">
       <spacer name="horizontalSpacer_2">
        <property name="orientation">
         <enum>Qt::Horizontal</enum>
@@ -89,7 +97,23 @@
        </property>
       </spacer>
      </item>
-     <item row="0" column="1">
+     <item row="0" column="8">
+      <spacer name="horizontalSpacer_3">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeType">
+        <enum>QSizePolicy::Maximum</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item row="0" column="4">
       <spacer name="horizontalSpacer">
        <property name="orientation">
         <enum>Qt::Horizontal</enum>
@@ -106,10 +130,20 @@
       </spacer>
      </item>
      <item row="0" column="2">
-      <widget class="QPushButton" name="previousPageBtn">
+      <widget class="QPushButton" name="goUpBtn">
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Fixed" vsizetype="Fixed">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
        <property name="text">
         <string/>
        </property>
+       <property name="icon">
+        <iconset resource="../eink.qrc">
+         <normaloff>:/resources/chevron-up.png</normaloff>:/resources/chevron-up.png</iconset>
+       </property>
       </widget>
      </item>
      <item row="0" column="0">
@@ -125,6 +159,19 @@
        </property>
       </widget>
      </item>
+     <item row="0" column="1">
+      <spacer name="horizontalSpacer_4">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>40</width>
+         <height>20</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
     </layout>
    </item>
    <item>
@@ -212,6 +259,8 @@ Add some via USB or explore the Online Library.</string>
    <header>qclickablelabel.h</header>
   </customwidget>
  </customwidgets>
- <resources/>
+ <resources>
+  <include location="../eink.qrc"/>
+ </resources>
  <connections/>
 </ui>

src/settings/settings.cpp

@@ -338,6 +338,11 @@ settings::settings(QWidget *parent) :
         ui->tzComboBox->setCurrentText(readFile(".config/19-timezone/config-name"));
     }
 
+    // Local library folders support
+    if(checkconfig(".config/21-local_library/folders") == true) {
+        ui->localLibraryShowFoldersCheckBox->click();
+    }
+
     if(checkconfig("/opt/inkbox_genuine") == true) {
         // Enforcing security policy if the user has not rooted the device
         if(checkconfig("/external_root/opt/root/rooted") == true) {
@@ -1089,3 +1094,19 @@ void settings::on_pageSizeWidthIncBtn_clicked()
     pageSizeWidthSaved = pageSizeWidthSaved + 5;
     ui->pageSizeWidthLabel->setText(QString::number(pageSizeWidthSaved));
 }
+
+void settings::on_localLibraryShowFoldersCheckBox_toggled(bool checked)
+{
+    QString settingString = "local library folders support";
+    if(checked == true) {
+        logEnabled(settingString, className);
+        checked_box = true;
+        writeconfig(".config/21-local_library/folders", "Folders");
+    }
+    else {
+        logDisabled(settingString, className);
+        checked_box = false;
+        writeconfig(".config/21-local_library/folders", "Folders");
+    }
+}
+

src/settings/settings.h

@@ -76,6 +76,8 @@ private slots:
     void on_pageSizeWidthDecBtn_clicked();
     void on_pageSizeWidthIncBtn_clicked();
 
+    void on_localLibraryShowFoldersCheckBox_toggled(bool checked);
+
 signals:
     void showToast(QString messageToDisplay);
     void closeIndefiniteToast();

src/settings/settings.ui

@@ -68,8 +68,8 @@
          <rect>
           <x>0</x>
           <y>0</y>
-          <width>457</width>
+          <width>463</width>
-          <height>667</height>
+          <height>632</height>
          </rect>
         </property>
         <layout class="QVBoxLayout" name="verticalLayout_4">
@@ -118,139 +118,6 @@
                <property name="bottomMargin">
                 <number>0</number>
                </property>
-               <item row="22" column="0">
-                <widget class="Line" name="line_3">
-                 <property name="frameShadow">
-                  <enum>QFrame::Plain</enum>
-                 </property>
-                 <property name="orientation">
-                  <enum>Qt::Horizontal</enum>
-                 </property>
-                </widget>
-               </item>
-               <item row="13" column="0">
-                <widget class="QCheckBox" name="demoCheckBox">
-                 <property name="text">
-                  <string>Disable &quot;Welcome to InkBox&quot; message</string>
-                 </property>
-                </widget>
-               </item>
-               <item row="21" column="0">
-                <widget class="QLabel" name="label_3">
-                 <property name="font">
-                  <font>
-                   <family>Chivo</family>
-                   <italic>true</italic>
-                  </font>
-                 </property>
-                 <property name="text">
-                  <string>USB networking</string>
-                 </property>
-                </widget>
-               </item>
-               <item row="18" column="0">
-                <widget class="QLabel" name="label_5">
-                 <property name="font">
-                  <font>
-                   <family>Chivo</family>
-                   <weight>50</weight>
-                   <italic>true</italic>
-                   <bold>false</bold>
-                  </font>
-                 </property>
-                 <property name="text">
-                  <string>Storage</string>
-                 </property>
-                </widget>
-               </item>
-               <item row="6" column="0">
-                <widget class="QCheckBox" name="readerScrollBarCheckBox">
-                 <property name="text">
-                  <string>Show scroll bar if needed</string>
-                 </property>
-                </widget>
-               </item>
-               <item row="0" column="0">
-                <widget class="QLabel" name="label_7">
-                 <property name="font">
-                  <font>
-                   <family>Chivo</family>
-                   <weight>50</weight>
-                   <italic>true</italic>
-                   <bold>false</bold>
-                  </font>
-                 </property>
-                 <property name="text">
-                  <string>Reading</string>
-                 </property>
-                </widget>
-               </item>
-               <item row="19" column="0">
-                <widget class="Line" name="line_7">
-                 <property name="frameShadow">
-                  <enum>QFrame::Plain</enum>
-                 </property>
-                 <property name="orientation">
-                  <enum>Qt::Horizontal</enum>
-                 </property>
-                </widget>
-               </item>
-               <item row="5" column="0">
-                <widget class="QCheckBox" name="globalReadingSettingsCheckBox">
-                 <property name="text">
-                  <string>Global reading settings</string>
-                 </property>
-                </widget>
-               </item>
-               <item row="1" column="0">
-                <widget class="Line" name="line_8">
-                 <property name="frameShadow">
-                  <enum>QFrame::Plain</enum>
-                 </property>
-                 <property name="orientation">
-                  <enum>Qt::Horizontal</enum>
-                 </property>
-                </widget>
-               </item>
-               <item row="11" column="0">
-                <widget class="QCheckBox" name="clockCheckBox">
-                 <property name="text">
-                  <string>Clock: Show seconds</string>
-                 </property>
-                </widget>
-               </item>
-               <item row="10" column="0">
-                <widget class="Line" name="line_6">
-                 <property name="frameShadow">
-                  <enum>QFrame::Plain</enum>
-                 </property>
-                 <property name="orientation">
-                  <enum>Qt::Horizontal</enum>
-                 </property>
-                </widget>
-               </item>
-               <item row="9" column="0">
-                <widget class="QLabel" name="label_2">
-                 <property name="font">
-                  <font>
-                   <family>Chivo</family>
-                   <weight>50</weight>
-                   <italic>true</italic>
-                   <bold>false</bold>
-                  </font>
-                 </property>
-                 <property name="text">
-                  <string>Home</string>
-                 </property>
-                </widget>
-               </item>
-               <item row="12" column="0">
-                <widget class="QCheckBox" name="quoteCheckBox">
-                 <property name="text">
-                  <string>Disable authors quotes</string>
-                 </property>
-                </widget>
-               </item>
                <item row="3" column="0">
                 <layout class="QGridLayout" name="gridLayout_15">
                  <property name="bottomMargin">
@@ -363,6 +230,230 @@
                  </item>
                 </layout>
                </item>
+               <item row="0" column="0">
+                <widget class="QLabel" name="label_7">
+                 <property name="font">
+                  <font>
+                   <family>Chivo</family>
+                   <weight>50</weight>
+                   <italic>true</italic>
+                   <bold>false</bold>
+                  </font>
+                 </property>
+                 <property name="text">
+                  <string>Reading</string>
+                 </property>
+                </widget>
+               </item>
+               <item row="11" column="0">
+                <widget class="QCheckBox" name="clockCheckBox">
+                 <property name="text">
+                  <string>Clock: Show seconds</string>
+                 </property>
+                </widget>
+               </item>
+               <item row="21" column="0">
+                <widget class="Line" name="line_7">
+                 <property name="frameShadow">
+                  <enum>QFrame::Plain</enum>
+                 </property>
+                 <property name="orientation">
+                  <enum>Qt::Horizontal</enum>
+                 </property>
+                </widget>
+               </item>
+               <item row="14" column="0">
+                <widget class="QLabel" name="label_14">
+                 <property name="font">
+                  <font>
+                   <family>Chivo</family>
+                   <italic>true</italic>
+                  </font>
+                 </property>
+                 <property name="text">
+                  <string>Local library</string>
+                 </property>
+                </widget>
+               </item>
+               <item row="6" column="0">
+                <widget class="QCheckBox" name="readerScrollBarCheckBox">
+                 <property name="text">
+                  <string>Show scroll bar if needed</string>
+                 </property>
+                </widget>
+               </item>
+               <item row="5" column="0">
+                <widget class="QCheckBox" name="globalReadingSettingsCheckBox">
+                 <property name="text">
+                  <string>Global reading settings</string>
+                 </property>
+                </widget>
+               </item>
+               <item row="22" column="0">
+                <layout class="QGridLayout" name="gridLayout_4">
+                 <property name="bottomMargin">
+                  <number>0</number>
+                 </property>
+                 <item row="0" column="2">
+                  <widget class="QPushButton" name="usbmsBtn">
+                   <property name="font">
+                    <font>
+                     <weight>75</weight>
+                     <bold>true</bold>
+                    </font>
+                   </property>
+                   <property name="text">
+                    <string>Go</string>
+                   </property>
+                  </widget>
+                 </item>
+                 <item row="0" column="1">
+                  <spacer name="horizontalSpacer_2">
+                   <property name="orientation">
+                    <enum>Qt::Horizontal</enum>
+                   </property>
+                   <property name="sizeHint" stdset="0">
+                    <size>
+                     <width>40</width>
+                     <height>20</height>
+                    </size>
+                   </property>
+                  </spacer>
+                 </item>
+                 <item row="0" column="0">
+                  <widget class="QLabel" name="label_6">
+                   <property name="text">
+                    <string>Enter USB Mass Storage session</string>
+                   </property>
+                  </widget>
+                 </item>
+                </layout>
+               </item>
+               <item row="7" column="0">
+                <widget class="QCheckBox" name="menuBarCheckBox">
+                 <property name="text">
+                  <string>Always show status bar</string>
+                 </property>
+                </widget>
+               </item>
+               <item row="25" column="0">
+                <layout class="QGridLayout" name="gridLayout_3">
+                 <property name="bottomMargin">
+                  <number>0</number>
+                 </property>
+                 <item row="0" column="1">
+                  <spacer name="horizontalSpacer">
+                   <property name="orientation">
+                    <enum>Qt::Horizontal</enum>
+                   </property>
+                   <property name="sizeHint" stdset="0">
+                    <size>
+                     <width>40</width>
+                     <height>20</height>
+                    </size>
+                   </property>
+                  </spacer>
+                 </item>
+                 <item row="0" column="0">
+                  <widget class="QLabel" name="label_4">
+                   <property name="text">
+                    <string>Request DHCP lease</string>
+                   </property>
+                  </widget>
+                 </item>
+                 <item row="0" column="2">
+                  <widget class="QPushButton" name="requestLeaseBtn">
+                   <property name="font">
+                    <font>
+                     <weight>75</weight>
+                     <bold>true</bold>
+                    </font>
+                   </property>
+                   <property name="text">
+                    <string>Request</string>
+                   </property>
+                  </widget>
+                 </item>
+                </layout>
+               </item>
+               <item row="8" column="0">
+                <layout class="QGridLayout" name="gridLayout_16">
+                 <property name="bottomMargin">
+                  <number>0</number>
+                 </property>
+                 <item row="0" column="0">
+                  <widget class="QLabel" name="exportHighlightsLabel">
+                   <property name="text">
+                    <string>Export highlights</string>
+                   </property>
+                  </widget>
+                 </item>
+                 <item row="0" column="2">
+                  <widget class="QPushButton" name="exportHighlightsBtn">
+                   <property name="font">
+                    <font>
+                     <weight>75</weight>
+                     <bold>true</bold>
+                    </font>
+                   </property>
+                   <property name="text">
+                    <string>Export</string>
+                   </property>
+                  </widget>
+                 </item>
+                 <item row="0" column="1">
+                  <spacer name="horizontalSpacer_12">
+                   <property name="orientation">
+                    <enum>Qt::Horizontal</enum>
+                   </property>
+                   <property name="sizeHint" stdset="0">
+                    <size>
+                     <width>40</width>
+                     <height>20</height>
+                    </size>
+                   </property>
+                  </spacer>
+                 </item>
+                </layout>
+               </item>
+               <item row="12" column="0">
+                <widget class="QCheckBox" name="quoteCheckBox">
+                 <property name="text">
+                  <string>Disable authors quotes</string>
+                 </property>
+                </widget>
+               </item>
+               <item row="26" column="0">
+                <spacer name="verticalSpacer">
+                 <property name="orientation">
+                  <enum>Qt::Vertical</enum>
+                 </property>
+                 <property name="sizeType">
+                  <enum>QSizePolicy::MinimumExpanding</enum>
+                 </property>
+                 <property name="sizeHint" stdset="0">
+                  <size>
+                   <width>0</width>
+                   <height>0</height>
+                  </size>
+                 </property>
+                </spacer>
+               </item>
+               <item row="9" column="0">
+                <widget class="QLabel" name="label_2">
+                 <property name="font">
+                  <font>
+                   <family>Chivo</family>
+                   <weight>50</weight>
+                   <italic>true</italic>
+                   <bold>false</bold>
+                  </font>
+                 </property>
+                 <property name="text">
+                  <string>Home</string>
+                 </property>
+                </widget>
+               </item>
                <item row="2" column="0">
                 <layout class="QGridLayout" name="gridLayout_6">
                  <property name="bottomMargin">
@@ -419,45 +510,15 @@
                  </item>
                 </layout>
                </item>
-               <item row="8" column="0">
+               <item row="10" column="0">
-                <layout class="QGridLayout" name="gridLayout_16">
+                <widget class="Line" name="line_6">
-                 <property name="bottomMargin">
+                 <property name="frameShadow">
-                  <number>0</number>
+                  <enum>QFrame::Plain</enum>
                  </property>
-                 <item row="0" column="0">
-                  <widget class="QLabel" name="exportHighlightsLabel">
-                   <property name="text">
-                    <string>Export highlights</string>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="0" column="2">
-                  <widget class="QPushButton" name="exportHighlightsBtn">
-                   <property name="font">
-                    <font>
-                     <weight>75</weight>
-                     <bold>true</bold>
-                    </font>
-                   </property>
-                   <property name="text">
-                    <string>Export</string>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="0" column="1">
-                  <spacer name="horizontalSpacer_12">
                  <property name="orientation">
                   <enum>Qt::Horizontal</enum>
                  </property>
-                   <property name="sizeHint" stdset="0">
+                </widget>
-                    <size>
-                     <width>40</width>
-                     <height>20</height>
-                    </size>
-                   </property>
-                  </spacer>
-                 </item>
-                </layout>
                </item>
                <item row="4" column="0">
                 <layout class="QGridLayout" name="gridLayout_9">
@@ -531,107 +592,76 @@
                 </layout>
                </item>
                <item row="20" column="0">
-                <layout class="QGridLayout" name="gridLayout_4">
+                <widget class="QLabel" name="label_5">
-                 <property name="bottomMargin">
-                  <number>0</number>
-                 </property>
-                 <item row="0" column="2">
-                  <widget class="QPushButton" name="usbmsBtn">
                  <property name="font">
                   <font>
-                     <weight>75</weight>
+                   <family>Chivo</family>
-                     <bold>true</bold>
+                   <weight>50</weight>
+                   <italic>true</italic>
+                   <bold>false</bold>
                   </font>
                  </property>
                  <property name="text">
-                    <string>Go</string>
+                  <string>Storage</string>
                  </property>
                 </widget>
                </item>
-                 <item row="0" column="1">
+               <item row="13" column="0">
-                  <spacer name="horizontalSpacer_2">
+                <widget class="QCheckBox" name="demoCheckBox">
-                   <property name="orientation">
-                    <enum>Qt::Horizontal</enum>
-                   </property>
-                   <property name="sizeHint" stdset="0">
-                    <size>
-                     <width>40</width>
-                     <height>20</height>
-                    </size>
-                   </property>
-                  </spacer>
-                 </item>
-                 <item row="0" column="0">
-                  <widget class="QLabel" name="label_6">
                  <property name="text">
-                    <string>Enter USB Mass Storage session</string>
+                  <string>Disable &quot;Welcome to InkBox&quot; message</string>
-                   </property>
-                  </widget>
-                 </item>
-                </layout>
-               </item>
-               <item row="7" column="0">
-                <widget class="QCheckBox" name="menuBarCheckBox">
-                 <property name="text">
-                  <string>Always show status bar</string>
                  </property>
                 </widget>
                </item>
                <item row="23" column="0">
-                <layout class="QGridLayout" name="gridLayout_3">
+                <widget class="QLabel" name="label_3">
-                 <property name="bottomMargin">
-                  <number>0</number>
-                 </property>
-                 <item row="0" column="1">
-                  <spacer name="horizontalSpacer">
-                   <property name="orientation">
-                    <enum>Qt::Horizontal</enum>
-                   </property>
-                   <property name="sizeHint" stdset="0">
-                    <size>
-                     <width>40</width>
-                     <height>20</height>
-                    </size>
-                   </property>
-                  </spacer>
-                 </item>
-                 <item row="0" column="0">
-                  <widget class="QLabel" name="label_4">
-                   <property name="text">
-                    <string>Request DHCP lease</string>
-                   </property>
-                  </widget>
-                 </item>
-                 <item row="0" column="2">
-                  <widget class="QPushButton" name="requestLeaseBtn">
                  <property name="font">
                   <font>
-                     <weight>75</weight>
+                   <family>Chivo</family>
-                     <bold>true</bold>
+                   <italic>true</italic>
                   </font>
                  </property>
                  <property name="text">
-                    <string>Request</string>
+                  <string>USB networking</string>
                  </property>
                 </widget>
                </item>
-                </layout>
+               <item row="16" column="0">
+                <widget class="QCheckBox" name="localLibraryShowFoldersCheckBox">
+                 <property name="text">
+                  <string>Show folders</string>
+                 </property>
+                </widget>
+               </item>
+               <item row="1" column="0">
+                <widget class="Line" name="line_8">
+                 <property name="frameShadow">
+                  <enum>QFrame::Plain</enum>
+                 </property>
+                 <property name="orientation">
+                  <enum>Qt::Horizontal</enum>
+                 </property>
+                </widget>
                </item>
                <item row="24" column="0">
-                <spacer name="verticalSpacer">
+                <widget class="Line" name="line_3">
+                 <property name="frameShadow">
+                  <enum>QFrame::Plain</enum>
+                 </property>
                  <property name="orientation">
-                  <enum>Qt::Vertical</enum>
+                  <enum>Qt::Horizontal</enum>
                  </property>
-                 <property name="sizeType">
+                </widget>
-                  <enum>QSizePolicy::MinimumExpanding</enum>
+               </item>
+               <item row="15" column="0">
+                <widget class="Line" name="line_11">
+                 <property name="frameShadow">
+                  <enum>QFrame::Plain</enum>
                  </property>
-                 <property name="sizeHint" stdset="0">
+                 <property name="orientation">
-                  <size>
+                  <enum>Qt::Horizontal</enum>
-                   <width>0</width>
-                   <height>0</height>
-                  </size>
                  </property>
-                </spacer>
+                </widget>
                </item>
               </layout>
              </item>

src/widgets/dialogs/library/bookinfodialog.cpp

@@ -83,6 +83,7 @@ bookInfoDialog::bookInfoDialog(QWidget *parent) :
         log("Setting up book info dialog, ID: " + QString::number(global::library::bookId) + ", title: " + global::library::bookTitle, className);
     }
     else {
+        if(global::localLibrary::bookOptionsDialog::bookID != global::localLibrary::folderID) {
             QJsonObject bookJsonObject = getBookMetadata(global::localLibrary::bookOptionsDialog::bookID);
             QString bookInfo;
             QString title = bookJsonObject["Title"].toString();
@@ -101,8 +102,12 @@ bookInfoDialog::bookInfoDialog(QWidget *parent) :
             if(!path.isEmpty()) {
                 bookInfo.append("<b>Path:</b> " + path + "<br>");
             }
-
             global::text::textBrowserContents = bookInfo;
+        }
+        else {
+            QString bookInfo = "<b>Path:</b> " + global::localLibrary::bookOptionsDialog::folderPath;
+            global::text::textBrowserContents = bookInfo;
+        }
         textwidget * textwidgetWindow = new textwidget(this);
         ui->stackedWidget->insertWidget(1, textwidgetWindow);
         ui->stackedWidget->setCurrentIndex(1);

src/widgets/dialogs/library/bookoptionsdialog.cpp

@@ -22,6 +22,21 @@ bookOptionsDialog::bookOptionsDialog(QWidget *parent) :
     ui->wipeLocalReadingSettingsBtn->setProperty("type", "borderless");
     ui->infoBtn->setProperty("type", "borderless");
 
+    if(global::localLibrary::bookOptionsDialog::isFolder == true) {
+        global::localLibrary::bookOptionsDialog::isFolder = false;
+        isFolder = true;
+        log("Detected a folder", className);
+        ui->pinBtn->hide();
+        ui->pinBtn->deleteLater();
+        ui->line->hide();
+        ui->line->deleteLater();
+        ui->wipeLocalReadingSettingsBtn->hide();
+        ui->wipeLocalReadingSettingsBtn->deleteLater();
+        ui->line_2->hide();
+        ui->line_2->deleteLater();
+    }
+    else {
+        isFolder = false;
         global::localLibrary::bookOptionsDialog::bookPinAction = false;
 
         bookPath = getBookMetadata(global::localLibrary::bookOptionsDialog::bookID)["BookPath"].toString();
@@ -39,6 +54,8 @@ bookOptionsDialog::bookOptionsDialog(QWidget *parent) :
             ui->wipeLocalReadingSettingsBtn->setEnabled(false);
             ui->wipeLocalReadingSettingsBtn->setStyleSheet(ui->wipeLocalReadingSettingsBtn->styleSheet() + "color: gray");
         }
+    }
+
     this->adjustSize();
 }
 
@@ -59,6 +76,15 @@ void bookOptionsDialog::on_pinBtn_clicked()
 
 void bookOptionsDialog::on_deleteBtn_clicked()
 {
+    if(isFolder == true) {
+        deleteFolder();
+    }
+    else {
+        deleteBook();
+    }
+}
+
+void bookOptionsDialog::deleteBook() {
     log("Deleting book '" + bookPath + "'", className);
     global::toast::delay = 3000;
     if(QFile::remove(bookPath)) {
@@ -71,6 +97,20 @@ void bookOptionsDialog::on_deleteBtn_clicked()
     }
 }
 
+void bookOptionsDialog::deleteFolder() {
+    log("Removing empty directory '" + global::localLibrary::bookOptionsDialog::folderPath + "'", className);
+    if(QDir(global::localLibrary::bookOptionsDialog::folderPath).isEmpty() == true) {
+        global::toast::delay = 3000;
+        QDir(global::localLibrary::bookOptionsDialog::folderPath).removeRecursively();
+        emit showToast("Directory removed successfully");
+        emit removedFolder();
+    }
+    else {
+        emit showToast("Directory is not empty");
+    }
+}
+
+
 void bookOptionsDialog::on_infoBtn_clicked()
 {
     emit openLocalBookInfoDialog();

src/widgets/dialogs/library/bookoptionsdialog.h

@@ -19,6 +19,7 @@ public:
     QString bookPath;
     QString bookChecksum;
     bool bookPinned;
+    bool isFolder;
 
 private slots:
     void on_pinBtn_clicked();
@@ -27,11 +28,14 @@ private slots:
     void on_wipeLocalReadingSettingsBtn_clicked();
     void pinBook(int bookID);
     void unpinBook(int bookID);
+    void deleteBook();
+    void deleteFolder();
     bool isBookPinned(int bookID);
 
 signals:
     void openLocalBookInfoDialog();
     void showToast(QString messageToDisplay);
+    void removedFolder();
 
 private:
     Ui::bookOptionsDialog *ui;