/* DrewTechs
 * Note Binder
 * @Version 1.0
 */

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    init();
}

MainWindow::~MainWindow()
{
    delete ui;
}


void MainWindow::on_unfiledNotes_Button_clicked()
{
    UnfiledNotes* uiUnfiledNotes = new UnfiledNotes(uiSettings->applicationLaunchers);
    if(!uiUnfiledNotes->exec()) return;
    QString extension = uiUnfiledNotes->getExtension();
    runUnfiledNotesApplication(extension);
}

void MainWindow::runUnfiledNotesApplication(QString extension)
{
    int appLauncher_idx = 0; // Count up to the Total Number of Applicaiton Launchers available
    for(appLauncher_idx = 0; appLauncher_idx < uiSettings->applicationLaunchers.size(); appLauncher_idx++)
    {
        int extensions_idx = 0; // Count up to the Total Number of Extensions in all file Launchers
        for(extensions_idx = 0; extensions_idx < uiSettings->applicationLaunchers.at(appLauncher_idx)->getApplicationExtensions().size(); extensions_idx++)
        {
            if(uiSettings->applicationLaunchers.at(appLauncher_idx)->getSingleApplicationExtension(extensions_idx) == extension)
            {
                QObject *parent = new QObject();
                QString program = uiSettings->applicationLaunchers.at(appLauncher_idx)->getApplicationLocation();
                QStringList arguments; // No Additional Arguments
                QProcess *myProcess = new QProcess(parent);
                myProcess->start(program, arguments, QIODevice::ReadWrite);
            }
        }
    }
}

void MainWindow::init()
{
    /* Set Icons */
    ui->newSection_Button->setIcon(QIcon("../NoteBinder/Icons/NewSectionIcon.png"));
    ui->newSection_Button->setIconSize(QSize(32,32));
    ui->actionNew_Section->setIcon(QIcon("../NoteBinder/Icons/NewSectionIcon.png"));

    ui->newSectionGroup_Button->setIcon(QIcon("../NoteBinder/Icons/NewSectionGroupIcon.png"));
    ui->newSectionGroup_Button->setIconSize(QSize(32,32));
    ui->actionNew_Section_Group->setIcon(QIcon("../NoteBinder/Icons/NewSectionGroupIcon.png"));

    ui->newNotebook_Button->setIcon(QIcon("../NoteBinder/Icons/NewNotebookIcon.png"));
    ui->newNotebook_Button->setIconSize(QSize(32,32));
    ui->actionNew_Notebook->setIcon(QIcon("../NoteBinder/Icons/NewNotebookIcon.png"));

    ui->unfiledNotes_Button->setIcon(QIcon("../NoteBinder/Icons/UnfiledNotesIcon.png"));
    ui->unfiledNotes_Button->setIconSize(QSize(32,32));
    ui->actionUnfiled_Notes->setIcon(QIcon("../NoteBinder/Icons/UnfiledNotesIcon.png"));

    ui->openSection_Button->setIcon(QIcon("../NoteBinder/Icons/OpenSectionIcon.png"));
    ui->openSection_Button->setIconSize(QSize(32,32));
    ui->actionOpen_Section->setIcon(QIcon("../NoteBinder/Icons/OpenSectionIcon.png"));

    ui->openNotebook_Button->setIcon(QIcon("../NoteBinder/Icons/OpenNotebookIcon.png"));
    ui->openNotebook_Button->setIconSize(QSize(32,32));
    ui->actionOpen_Notebook->setIcon(QIcon("../NoteBinder/Icons/OpenNotebookIcon.png"));

    ui->importSection_Button->setIcon(QIcon("../NoteBinder/Icons/ImportSectionIcon.png"));
    ui->importSection_Button->setIconSize(QSize(32,32));
    ui->actionImport_Section->setIcon(QIcon("../NoteBinder/Icons/ImportSectionIcon.png"));

    ui->exportSection_Button->setIcon(QIcon("../NoteBinder/Icons/ExportSectionIcon.png"));
    ui->exportSection_Button->setIconSize(QSize(32,32));
    ui->actionExport_Section->setIcon(QIcon("../NoteBinder/Icons/ExportSectionIcon.png"));

    ui->deleteSelectedItem_Button->setIcon(QIcon("../NoteBinder/Icons/DeleteItemIcon.png"));
    ui->deleteSelectedItem_Button->setIconSize(QSize(32,32));
    ui->actionDeleteItem->setIcon(QIcon("../NoteBinder/Icons/DeleteItemIcon.png"));

    ui->refreshNotebookListButton->setIcon(QIcon("../NoteBinder/Icons/RefreshNotebookListIcon.png"));
    ui->refreshNotebookListButton->setIconSize(QSize(40,40));
    ui->actionRefresh_Notebook_List->setIcon(QIcon("../NoteBinder/Icons/RefreshNotebookListIcon.png"));

    ui->copyItem_Button->setIcon(QIcon("../NoteBinder/Icons/CopyItemIcon.png"));
    ui->copyItem_Button->setIconSize(QSize(32,32));
    ui->actionCopy_Item->setIcon(QIcon("../NoteBinder/Icons/CopyItemIcon.png"));

    ui->moveItem_Button->setIcon(QIcon("../NoteBinder/Icons/MoveItemIcon.png"));
    ui->moveItem_Button->setIconSize(QSize(32,32));
    ui->actionMove_Item->setIcon(QIcon("../NoteBinder/Icons/MoveItemIcon.png"));

    ui->generalSettings_Button->setIcon(QIcon("../NoteBinder/Icons/SettingsIcon.png"));
    ui->generalSettings_Button->setIconSize(QSize(32,32));
    ui->actionSettings->setIcon(QIcon("../NoteBinder/Icons/SettingsIcon.png"));

    ui->closeNotebook_Button->setIcon(QIcon("../NoteBinder/Icons/CloseNotebookIcon.png"));
    ui->closeNotebook_Button->setIconSize(QSize(32,32));
    ui->actionClose_Notebook->setIcon(QIcon("../NoteBinder/Icons/CloseNotebookIcon.png"));

    ui->closeAllNotebooksButton->setIcon(QIcon("../NoteBinder/Icons/CloseAllNotebooksIcon.png"));
    ui->closeAllNotebooksButton->setIconSize(QSize(32,32));
    ui->actionClose_All_Notebooks->setIcon(QIcon("../NoteBinder/Icons/CloseAllNotebooksIcon.png"));

    ui->itemPropertiesButton->setIcon(QIcon("../NoteBinder/Icons/ItemPropertiesIcon.png"));
    ui->itemPropertiesButton->setIconSize(QSize(32,32));
    ui->actionItem_Properties->setIcon(QIcon("../NoteBinder/Icons/ItemPropertiesIcon.png"));

    ui->actionHelp->setIcon(QIcon("../NoteBinder/Icons/HelpIcon.png"));

    /* Load Application Settings */
    QString defaultSettingsPath = QDir().homePath() + "/.config/notebinder/settings.conf";
    // Default Settings for the General Settings, which cannot be modified unlike the files in .config
    // This determines where the configuration file is located and if it doesn't exist, it creates it.

    QString defaultSetting_defaultNotebookPath = QDir().homePath() + "/Documents";
    // Default Path to Save Notebooks (the File Dialog will first open up to this directory).
    // Default Path is $HOME/Documents where $HOME is the default home directory for the user running this program.

    QString defaultSetting_defaultGenSettingsPath = QDir().homePath() + "/.config/notebinder/general.conf";
    // Default Path to save the general setting information (settings like these three variables)

    QString defaultSetting_defaultAppLauncherPath = QDir().homePath() + "/.config/notebinder/applauncher.conf";
    // Default Path to save the application launcher setting information

    QString defaultSetting_defualtNotebookListPath = QDir().homePath() + "/.config/notebinder/notebooklist.conf";
    // List of Notebooks that have been opened in the last instance. This will open existing Notebooks.

    int defaultSetting_hideDirectoryChecked = 0; // Defaults to Showing Directory Column on Notebook List
    int defaultSetting_hideSizeChecked = 0;      // Defaults to Showing Size Column on NotebookList
    int defaultSetting_iconSize = 32;            // Default Size of Notebook and Content Icons

    QList<ApplicationLaunchers*> applicationLaunchers;

    QFile file_defaultSettings(defaultSettingsPath);
    QFileInfo file_defaultSettings_Info(file_defaultSettings);
    QStringList strings_defaultSettings;
    if(!file_defaultSettings_Info.absoluteDir().exists())
    {
        QDir().mkdir(file_defaultSettings_Info.absoluteDir().path());
    }
    if(!file_defaultSettings.exists())
    {
        // If Default Settings File does not exist:
        if (file_defaultSettings.open(QIODevice::ReadWrite)) {
            QTextStream in(&file_defaultSettings);
            in << "GeneralSettings_ConfigFile: " <<  defaultSetting_defaultGenSettingsPath << "\n";
        }
        strings_defaultSettings.append("GeneralSettings_ConfigFile: ");
        strings_defaultSettings.append(defaultSetting_defaultGenSettingsPath);
        file_defaultSettings.close();
    } else {
        // Read from Existing Default Settings File:
        if (file_defaultSettings.open(QIODevice::ReadOnly)) {
            QTextStream in(&file_defaultSettings);
            while (!in.atEnd()) {
                strings_defaultSettings += in.readLine().split(" ");
            }
        }
        file_defaultSettings.close();
    }
    // Check the General Settings
    QFile file_generalSettings(strings_defaultSettings.at(1));
    QFileInfo file_generalSettings_Info(file_generalSettings);
    QStringList strings_generalSettings;
    if(!file_generalSettings_Info.absoluteDir().exists())
    {
        QDir().mkdir(file_generalSettings_Info.absoluteDir().path());
    }
    if(!file_generalSettings.exists())
    {
        // If Default Settings File does not exist:
        if (file_generalSettings.open(QIODevice::ReadWrite)) {
            QTextStream in(&file_generalSettings);
            in << "DefaultNotebookPath: " << defaultSetting_defaultNotebookPath << "\n"
               << "DefaultAppLauncherPath: " << defaultSetting_defaultAppLauncherPath << "\n"
               << "DefaultNotebookListPath: " << defaultSetting_defualtNotebookListPath << "\n"
               << "HideDirectoryChecked: " << QString::number(defaultSetting_hideDirectoryChecked) << "\n"
               << "HideSizeChecked: " << QString::number(defaultSetting_hideSizeChecked) << "\n"
               << "IconSize: " << QString::number(defaultSetting_iconSize);
        }
        strings_generalSettings.append("DefaultNotebookPath: ");
        strings_generalSettings.append(defaultSetting_defaultNotebookPath);
        strings_generalSettings.append("DefaultAppLauncherPath: ");
        strings_generalSettings.append(defaultSetting_defaultAppLauncherPath);
        strings_generalSettings.append("DefaultNotebookListPath: ");
        strings_generalSettings.append(defaultSetting_defualtNotebookListPath);
        strings_generalSettings.append("HideDirectoryChecked: ");
        strings_generalSettings.append(QString::number(defaultSetting_hideDirectoryChecked));
        strings_generalSettings.append("HideSizeChecked: ");
        strings_generalSettings.append(QString::number(defaultSetting_hideSizeChecked));
        strings_generalSettings.append("IconSize: ");
        strings_generalSettings.append(QString::number(defaultSetting_iconSize));

        file_generalSettings.close();
    } else {
        // Read from Existing Default Settings File:
        if (file_generalSettings.open(QIODevice::ReadOnly)) {
            QTextStream in(&file_generalSettings);
            while (!in.atEnd()) {
                strings_generalSettings += in.readLine().split(" ");
            }
        }
        file_generalSettings.close();
    }

    // Check Application Launcher Settings
    // If there is no existing Application Launcher Settings
    QFile file_applicationLauncher(strings_generalSettings.at(3));
    QFileInfo file_applicationLauncher_Info(file_applicationLauncher);
    QStringList strings_applicationLauncher;
    if(!file_applicationLauncher_Info.absoluteDir().exists())
    {
        QDir().mkdir(file_applicationLauncher_Info.absoluteDir().path());
    }
    int line_num = 0;
    if(file_applicationLauncher.exists())
    {
        // Read from Existing Default Settings File:
        if (file_applicationLauncher.open(QIODevice::ReadOnly)) {
            QTextStream in(&file_applicationLauncher);
            while (!in.atEnd()) {
                strings_applicationLauncher += in.readLine();
                line_num++;
            }
        }
        file_applicationLauncher.close();
    }
    if(!strings_applicationLauncher.isEmpty())
    {
        QString applicationName;
        QStringList applicationExtensions;
        QString applicationLocation;

        int line_idx = 0;
        for(line_idx = 0; line_idx < line_num; line_idx++)
        {
            applicationName = strings_applicationLauncher.at(line_idx).split(" ").at(0);
            applicationExtensions = strings_applicationLauncher.at(line_idx).split(" ").at(1).split(",");
            applicationLocation = strings_applicationLauncher.at(line_idx).split(" ").at(2);
            ApplicationLaunchers* applauncher = new ApplicationLaunchers();
            applauncher->setApplicationName(applicationName);
            applauncher->setApplicationExtension(applicationExtensions);
            applauncher->setApplicationLocation(applicationLocation);
            applicationLaunchers.append(applauncher);
        }
    }

    // Check List of Notebooks Opened from Previous Instance.
    QFile file_NotebookList(strings_generalSettings.at(5));
    QFileInfo file_NotebookList_Info(file_NotebookList);
    QStringList strings_notebooklist;
    if(!file_NotebookList_Info.absoluteDir().exists())
    {
        QDir().mkdir(file_NotebookList_Info.absoluteDir().path());
    }
    line_num = 0; // Restart counter for different file.
    if(file_NotebookList.exists())
    {
        // Read from Existing Default Settings File:
        if (file_NotebookList.open(QIODevice::ReadOnly)) {
            QTextStream in(&file_NotebookList);
            while (!in.atEnd()) {
                strings_notebooklist += in.readLine();
                line_num++;
            }
        }
        file_NotebookList.close();
    }
    if(!strings_notebooklist.isEmpty())
    {
        int line_idx = 0;
        for(line_idx = 0; line_idx < line_num; line_idx++)
        {
            QString notebookFile = strings_notebooklist.at(line_idx);
            if(QFileInfo::exists(notebookFile))
            {
                Notebook* notebook = OpenNotebook(notebookFile);
                if(notebook != nullptr)
                {
                    notebookList.nbList.append(notebook);
                }
            }
        }
    }
    uiSettings = new Settings(strings_generalSettings.at(1), strings_generalSettings.at(5),
                              strings_defaultSettings.at(1), strings_generalSettings.at(3),
                              applicationLaunchers, 0, this);

    if(strings_generalSettings.at(7).toInt() == 0)
    {
        // Unchecked
        ui->hideDirectory_Check->setCheckState(Qt::CheckState::Unchecked);
    } else {
        // Checked
        ui->hideDirectory_Check->setCheckState(Qt::CheckState::Checked);
    }
    if(strings_generalSettings.at(9).toInt() == 0)
    {
        // Unchecked
        ui->hideSize_Check->setCheckState(Qt::CheckState::Unchecked);
    } else {
        // Checked
        ui->hideSize_Check->setCheckState(Qt::CheckState::Checked);
    }
    if((strings_generalSettings.at(11).toInt() < 16 || strings_generalSettings.at(11).toInt() > 64) || strings_generalSettings.at(11).isNull())
    {
        ui->notebookList->setIconSize(QSize(defaultSetting_iconSize, defaultSetting_iconSize));
        ui->iconSizeSlider->setValue(defaultSetting_iconSize);
    } else {
        ui->notebookList->setIconSize(QSize(strings_generalSettings.at(11).toInt(), strings_generalSettings.at(11).toInt()));
        ui->iconSizeSlider->setValue(strings_generalSettings.at(11).toInt());
    }
    ui->notebookList->expandAll();
    ui->notebookList->sortItems(0, Qt::SortOrder::AscendingOrder);
}

void MainWindow::ExitProgram()
{
    /* Save Notebooks Opened for another Session */
    QStringList notebooksOpened;
    int idx = 0;
    for(idx = 0; idx < notebookList.nbList.size(); idx++)
    {
        notebooksOpened.append(notebookList.nbList.at(idx)->location + QDir::separator() + "notebook.noteb");
    }
    QFile file_notebooksOpened(uiSettings->getOpenedNotebookList());
    idx = 0;
    if(file_notebooksOpened.exists())
    {
        file_notebooksOpened.remove();
    }
    if (file_notebooksOpened.open(QIODevice::ReadWrite)) {
        QTextStream in(&file_notebooksOpened);
        for(idx = 0; idx < notebooksOpened.size(); idx++)
        {
            if(idx == notebooksOpened.size() - 1)
            {
                in << notebooksOpened.at(idx);
            } else {
                in << notebooksOpened.at(idx) << "\n";
            }
        }
    }
    file_notebooksOpened.close();

    /* Save Default Configuration Settings */
    QFile file_defaultSettings(QDir().homePath() + "/.config/notebinder/settings.conf");
    if(file_defaultSettings.exists())
    {
        file_defaultSettings.remove();
    }
    if(file_defaultSettings.open(QIODevice::ReadWrite)) {
        QTextStream in(&file_defaultSettings);
        in << "GeneralSettings_ConfigFile: " << uiSettings->getGeneralSettingsConfigFile();
    }
    file_defaultSettings.close();

    /* Save General Settings */
    QFile file_generalSettings(uiSettings->getGeneralSettingsConfigFile());
    if(file_generalSettings.exists())
    {
        file_generalSettings.remove();
    }
    if(file_generalSettings.open(QIODevice::ReadWrite)) {
        QTextStream in(&file_generalSettings);
        in << "DefaultNotebookPath: " << uiSettings->getDefaultNotebookPath() << "\n"
           << "DefaultAppLauncherPath: " << uiSettings->getApplicationLauncherConfigFile() << "\n"
           << "DefaultNotebookListPath: " << uiSettings->getOpenedNotebookList() << "\n"
           << "HideDirectoryChecked: " << QString::number(ui->hideDirectory_Check->checkState()) << "\n"
           << "HideSizeChecked: " << QString::number(ui->hideSize_Check->checkState()) << "\n"
           << "IconSize: " << QString::number(ui->iconSizeSlider->value());
    }
    file_generalSettings.close();

    /* Save Application Launchers */
    QFile file_applicationLaunchers(uiSettings->getApplicationLauncherConfigFile());
    int line_num = 0;
    if(file_applicationLaunchers.exists())
    {
        file_applicationLaunchers.remove();
    }
    if(file_applicationLaunchers.open(QIODevice::ReadWrite)) {
        QTextStream in(&file_applicationLaunchers);
        for(line_num = 0; line_num < uiSettings->applicationLaunchers.size(); line_num++)
        {
            in << uiSettings->applicationLaunchers.at(line_num)->getApplicationName() << " ";
            int extension_idx = 0;
            for(extension_idx = 0; extension_idx < uiSettings->applicationLaunchers.at(line_num)->getApplicationExtensions().size(); extension_idx++)
            {
                if(extension_idx == uiSettings->applicationLaunchers.at(line_num)->getApplicationExtensions().size() - 1)
                {
                    in << uiSettings->applicationLaunchers.at(line_num)->getSingleApplicationExtension(extension_idx) << " ";
                } else {
                    in << uiSettings->applicationLaunchers.at(line_num)->getSingleApplicationExtension(extension_idx) << ",";
                }
            }
            in << uiSettings->applicationLaunchers.at(line_num)->getApplicationLocation() << "\n";
        }
    }
    file_applicationLaunchers.close();
}

/* Tasks to run after exiting program */
void MainWindow::closeEvent (QCloseEvent *event)
{
    ExitProgram();
    QApplication::quit();
}

/* Create New Notebook (and Open it) */
void MainWindow::on_newNotebook_Button_clicked()
{
    Notebook* notebook = NewNotebook(notebookList.nbList);
    if(notebook != nullptr)
    {
        ui->notebookList->insertTopLevelItem(0, notebookList.createNotebookIcon(notebook));
        notebookList.addNotebookToList(notebook);
    }
}


/* Open Existing Notebook */
void MainWindow::on_openNotebook_Button_clicked()
{
    QFileDialog dialog(this);
    dialog.setFileMode(QFileDialog::ExistingFile);
    dialog.setNameFilter(tr("Notebook File (*.noteb)"));
    QString fileName = dialog.getOpenFileName(this, tr("Open File"), uiSettings->getDefaultNotebookPath(), tr("Notebook File (*.noteb)")); // Open Dialog

    Notebook* notebook;
    bool notebook_opened = false;
    int nb_idx = 0;
    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
    {
        if(fileName == (notebookList.nbList.at(nb_idx)->location + QDir::separator() + "notebook.noteb"))
        {
            notebook_opened = true; // Notebook Already Exists in that spot, don't recreate it!
        }
    }

    if(notebook_opened == false)
    {
        notebook = OpenNotebook(fileName);
    } else {
        notebook = nullptr; // Notebook already Exists so do not reopen it!
    }

    if(notebook != nullptr)
    {
        notebookList.addNotebookToList(notebook);
    }
}
Notebook* MainWindow::OpenNotebook(QString fileName)
{
    QFileInfo notebookFileInfo(fileName); // Notebook File Information
    if (fileName.isNull() == false)
    {
        QFileInfo notebookDirInfo(notebookFileInfo.path());
        QString fileDir = notebookFileInfo.absoluteDir().path(); // Directory Path of Notebook
        Notebook *notebook = new Notebook();
        *notebook = openNotebook(fileDir); // Create New Notebook
        QTreeWidgetItem* notebookNameItem = notebookList.createNotebookIcon(notebook);
        ui->notebookList->insertTopLevelItem(0, notebookNameItem); // Notebook is Opened, next to open it's contents.
        int idx = 0; // File Index (including Directory)
        int dir_idx = 0; // Directory Index
        for(idx = 0; idx < notebook->files.size(); idx++)
        {
            QFileInfo fileInfo(notebook->files.at(idx));
            if(fileInfo.fileName() != "."  && fileInfo.fileName() != ".." && fileInfo.fileName().endsWith(".noteb") == false && fileInfo.fileName().endsWith("~") == false)
            // Exclude files that contain notebook information, parent and current directory and any files ending with a ~ indicating a backup file. We will not be counting those.
            {
                if(fileInfo.isFile() == true)
                {
                    // Section
                    notebookNameItem->addChild(notebookList.createSectionIcon(fileInfo));
                } else {
                    // Section Group
                    SectionGroup* sectionGroup = new SectionGroup();
                    *sectionGroup = openSectionGroup(notebook->name, notebook->files.at(idx));
                    QTreeWidgetItem* sectionGroupItem = notebookList.createSectionGroupIcon(sectionGroup);
                    notebookNameItem->addChild(sectionGroupItem);
                    openNotebookDirSequence_treeWidget(sectionGroup, sectionGroupItem);
                    notebook->sectionGroupArray.append(sectionGroup);
                    dir_idx++;
                }
            }
        }
        return notebook;
    } else {
        return nullptr;
    }
}

/* Create New Section for a Notebook or Section Group */
void MainWindow::on_newSection_Button_clicked()
{
   NewSection();
}
void MainWindow::NewSection()
{
    int nb_idx = 0;
    int sg_idx = 0;
    int item_level = 0;
    QStringList list;
    QStringList* notebookColorList = new QStringList();
    QStringList* notebookDirList = new QStringList();
    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
    {
        if(nb_idx == 0)
        {
            item_level++;
        }
        notebookColorList->append(notebookList.nbList.at(nb_idx)->color);
        notebookDirList->append(notebookList.nbList.at(nb_idx)->location);
        for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
        {
            if(sg_idx == 0)
            {
                item_level++;
            }
            notebookColorList->append(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->color);
            notebookDirList->append(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location);
            item_level = newSectionDirSequence_toSectToDirDialog(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), notebookColorList, notebookDirList, item_level, 1);
        }
    }
    list = addItemsToDirectorySelection(notebookList.nbList);
    newSectionDialog* uiNewSectionDialog = new newSectionDialog(*notebookColorList, *notebookDirList, list, uiSettings->applicationLaunchers);
    if(!uiNewSectionDialog->exec()) return;
    QString fullFileName = uiNewSectionDialog->getFullFileName();
    runNewSectionApplication(fullFileName);

    QFileInfo newFileInfo(fullFileName);
    QTreeWidgetItem* item = notebookList.createSectionIcon(newFileInfo);

    QList<QTreeWidgetItem*> clist = ui->notebookList->findItems(newFileInfo.fileName(), Qt::MatchContains|Qt::MatchRecursive, 0);
    foreach(QTreeWidgetItem* items, clist)
    {
        items->addChild(item);
    }
    UpdateNotebookList();
}
void MainWindow::runNewSectionApplication(QString fileLocation)
{
    QFileInfo fileInfo(fileLocation);
    if(fileInfo.exists() == false)
    {
        QString appExtension = "." + fileInfo.suffix();
        int appLauncher_idx = 0; // Count up to the Total Number of Applicaiton Launchers available
        for(appLauncher_idx = 0; appLauncher_idx < uiSettings->applicationLaunchers.size(); appLauncher_idx++)
        {
            int extensions_idx = 0; // Count up to the Total Number of Extensions in all file Launchers
            for(extensions_idx = 0; extensions_idx < uiSettings->applicationLaunchers.at(appLauncher_idx)->getApplicationExtensions().size(); extensions_idx++)
            {
                if(uiSettings->applicationLaunchers.at(appLauncher_idx)->getSingleApplicationExtension(extensions_idx) == appExtension)
                {
                    QObject *parent = new QObject();
                    QString program = uiSettings->applicationLaunchers.at(appLauncher_idx)->getApplicationLocation();
                    QStringList arguments; // No Additional Arguments besides File Location
                    arguments.append(fileLocation);
                    QProcess *myProcess = new QProcess(parent);
                    myProcess->start(program, arguments, QIODevice::ReadWrite);
                }
            }
        }
    } else {
        QMessageBox messageBox;
        QString s_txt = fileInfo.fileName();
        QFont fontSize;
        fontSize.setPointSize(12);
        // Dialog Opens Asking for confirmation if you want to delete either a Notebook, Section Group or Section.
        messageBox.setWindowTitle("File Already Exists!");
        messageBox.setFont(fontSize);
        messageBox.setText("Are you sure you want to overwrite " + s_txt + "?");
        messageBox.setStandardButtons(QMessageBox::Yes);
        messageBox.addButton(QMessageBox::No);
        messageBox.setDefaultButton(QMessageBox::No);
        if(messageBox.exec() == QMessageBox::Yes)
        {
            QString appExtension = "." + fileInfo.suffix();
            int appLauncher_idx = 0; // Count up to the Total Number of Applicaiton Launchers available
            for(appLauncher_idx = 0; appLauncher_idx < uiSettings->applicationLaunchers.size(); appLauncher_idx++)
            {
                int extensions_idx = 0; // Count up to the Total Number of Extensions in all file Launchers
                for(extensions_idx = 0; extensions_idx < uiSettings->applicationLaunchers.at(appLauncher_idx)->getApplicationExtensions().size(); extensions_idx++)
                {
                    if(uiSettings->applicationLaunchers.at(appLauncher_idx)->getSingleApplicationExtension(extensions_idx) == appExtension)
                    {
                        QObject *parent = new QObject();
                        QString program = uiSettings->applicationLaunchers.at(appLauncher_idx)->getApplicationLocation();
                        QStringList arguments; // No Additional Arguments besides File Location
                        arguments.append(fileLocation);
                        QProcess *myProcess = new QProcess(parent);
                        myProcess->start(program, arguments, QIODevice::ReadWrite);
                    }
                }
            }
        }
    }
}

/* Open Highlighted Section */
void MainWindow::on_openSection_Button_clicked()
{
    OpenSection();
}
void MainWindow::OpenSection()
{
    QTreeWidgetItem* selectedItem = ui->notebookList->currentItem();
    QString selectedItemStr = selectedItem->text(1);
    /* Searching for File within List of Notebooks */
    runOpenSectionApplication(selectedItemStr);
}
void MainWindow::runOpenSectionApplication(QString fileLocation)
{
    QFileInfo fileInfo(fileLocation);
    if(fileInfo.exists() == true)
    {
        QString appExtension = "." + fileInfo.suffix();
        int appLauncher_idx = 0; // Count up to the Total Number of Application Launchers available
        for(appLauncher_idx = 0; appLauncher_idx < uiSettings->applicationLaunchers.size(); appLauncher_idx++)
        {
            int extensions_idx = 0; // Count up to the Total Number of Extensions in all file Launchers
            for(extensions_idx = 0; extensions_idx < uiSettings->applicationLaunchers.at(appLauncher_idx)->getApplicationExtensions().size(); extensions_idx++)
            {
                if(uiSettings->applicationLaunchers.at(appLauncher_idx)->getSingleApplicationExtension(extensions_idx) == appExtension)
                {
                    QObject *parent = new QObject();
                    QString program = uiSettings->applicationLaunchers.at(appLauncher_idx)->getApplicationLocation();
                    QStringList arguments; // No Additional Arguments besides File Location
                    arguments.append(fileLocation);
                    QProcess *myProcess = new QProcess(parent);
                    myProcess->start(program, arguments, QIODevice::ReadWrite);
                }
            }
        }
    } else {
        QMessageBox messageBox;
        QFont fontSize;
        fontSize.setPointSize(12);
        messageBox.setWindowTitle("Error");
        messageBox.setFont(fontSize);
        messageBox.setText("This file Does Not Exist!");
        messageBox.exec();
    }
}

/* Create New Section Group */
void MainWindow::on_newSectionGroup_Button_clicked()
{
    NewSectionGroup();
}
void MainWindow::NewSectionGroup()
{
    int nb_idx = 0;
    int sg_idx = 0;
    int item_level = 0;
    QStringList list;
    QStringList* notebookColorList = new QStringList();
    QStringList* notebookDirList = new QStringList();
    QList<QIcon*> iconList;
    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
    {
        if(nb_idx == 0)
        {
            item_level++; // Parent is Notebook
        }
        notebookDirList->append(notebookList.nbList.at(nb_idx)->location);
        notebookColorList->append(notebookList.nbList.at(nb_idx)->color);
        for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
        {
            if(sg_idx == 0)
            {
                item_level++; // Parent is SectionGroup
            }
            notebookDirList->append(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location);
            notebookColorList->append(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->color);
            item_level = newSectionDirSequence_toSectToDirDialog(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), notebookColorList, notebookDirList, item_level, 1);
        }
    }
    list = addItemsToDirectorySelection(notebookList.nbList);
    newSectionGroupDialog* uiNewSectionGroupDialog = new newSectionGroupDialog(*notebookColorList, *notebookDirList, list);
    if(!uiNewSectionGroupDialog->exec()) return;
    if(uiNewSectionGroupDialog->getSgName() != "")
    {
        SectionGroup* sectionGroup = new SectionGroup();
        sectionGroup->name = uiNewSectionGroupDialog->getSgName();
        sectionGroup->location = uiNewSectionGroupDialog->getSgDirectory();
        sectionGroup->color = uiNewSectionGroupDialog->getSgColor();
        QFileInfo fileInfo(sectionGroup->location);
        sectionGroup->parentDir = fileInfo.path();
        QString sectionGroupFile = sectionGroup->location + QDir::separator() + "sectiongroup.sectgr";
        QFile file(sectionGroupFile);
        if (file.open(QIODevice::ReadWrite)) {
            QTextStream in(&file);
            in << sectionGroup->name << "\n" << sectionGroup->color << "\n";
        }
        file.close();
        nb_idx = 0;
        sg_idx = 0;
        for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
        {
            if(sectionGroup->parentDir == notebookList.nbList.at(nb_idx)->location)
            {
                notebookList.nbList.at(nb_idx)->files.append(sectionGroup->location);
                notebookList.nbList.at(nb_idx)->sectionGroupArray.append(sectionGroup);
            }
            for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
            {
                newSectionDirSequence_toSectToDirDialog(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), sectionGroup);
                if(sectionGroup->parentDir == notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location)
                {
                    notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->files.append(sectionGroup->location);
                    notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->sectionGroupArray.append(sectionGroup);
                }
            }
        }
        QFileInfo parentDirInfo(sectionGroup->parentDir);
        QTreeWidgetItem* sectionGroupItem = notebookList.createSectionGroupIcon(sectionGroup);

        QList<QTreeWidgetItem*> clist = ui->notebookList->findItems(parentDirInfo.absoluteFilePath(), Qt::MatchContains|Qt::MatchRecursive, 1);
        foreach(QTreeWidgetItem* item, clist)
        {
            item->addChild(sectionGroupItem);
        }
        UpdateNotebookList();
    }
}

void MainWindow::on_generalSettings_Button_clicked()
{
    uiSettings->setSettingsTabPage(0);
    if(!uiSettings->exec()) return;
}

/* Close Selected Notebook */
void MainWindow::on_closeNotebook_Button_clicked()
{
    CloseNotebook();
}
void MainWindow::CloseNotebook()
{
    int nb_idx = 0;
    QTreeWidgetItem* selectedItem = ui->notebookList->currentItem();
    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
    {
        if(notebookList.nbList.at(nb_idx)->location == selectedItem->text(1))
        {
            notebookList.nbList.removeAt(nb_idx);
            delete selectedItem;
        }
    }
}
void MainWindow::on_closeAllNotebooksButton_clicked()
{
    CloseAllNotebooks();
}
void MainWindow::CloseAllNotebooks()
{
    int nb_idx = 0;
    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
    {
        QTreeWidgetItem* selectedItem = ui->notebookList->currentItem();
        delete selectedItem;
    }
    notebookList.nbList.clear();
}
/* Delete Selected Item*/
void MainWindow::on_deleteSelectedItem_Button_clicked()
{
    QMessageBox messageBox;
    QTreeWidgetItem* selectedItem = ui->notebookList->currentItem();
    QString s_txt;
    QFont fontSize;
    fontSize.setPointSize(12);
    s_txt = selectedItem->text(0);
    // Dialog Opens Asking for confirmation if you want to delete either a Notebook, Section Group or Section.
    messageBox.setWindowTitle("Delete Selected Item");
    messageBox.setFont(fontSize);
    messageBox.setText("Are you sure you want to delete " + s_txt + "?");
    messageBox.setStandardButtons(QMessageBox::Yes);
    messageBox.addButton(QMessageBox::No);
    messageBox.setDefaultButton(QMessageBox::No);
    if(messageBox.exec() == QMessageBox::Yes)
    {
        DeleteSelectedItem(selectedItem);
        UpdateNotebookList();
    }
}
void MainWindow::DeleteSelectedItem(QTreeWidgetItem* selectedItem)
{
    QString itemLocation = selectedItem->text(1);
    int nb_idx = 0;
    int file_idx = 0;
    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
    {
        if(notebookList.nbList.at(nb_idx)->location == itemLocation)
        {
            notebookList.nbList.removeAt(nb_idx);
        } else {
            for(file_idx = 0; file_idx < notebookList.nbList.at(nb_idx)->files.size(); file_idx++)
            {
                if(notebookList.nbList.at(nb_idx)->files.at(file_idx) == itemLocation)
                {
                    QFileInfo fileInfo(notebookList.nbList.at(nb_idx)->files.at(file_idx));
                    if(fileInfo.isDir())
                    {
                        int sg2_idx = 0;
                        for(sg2_idx = 0; sg2_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg2_idx++)
                        {
                            if(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg2_idx)->location == itemLocation)
                            {
                                notebookList.nbList.at(nb_idx)->sectionGroupArray.removeAt(sg2_idx);
                            }
                        }
                    }
                    notebookList.nbList.at(nb_idx)->files.removeAt(file_idx);
                } else {
                    QFileInfo fileInfo(notebookList.nbList.at(nb_idx)->files.at(file_idx));
                    if(fileInfo.isDir())
                    {
                        int sg_idx = 0;
                        for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
                        {
                            // Section Group
                            deleteNotebookDirSequence_findFile(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), itemLocation);
                        }

                    }
                }
            }
        }
        file_idx = 0;
    }
    // Remove File if it exists.
    if(QFile(itemLocation).exists())
    {
        QFileInfo nbfileInfo(itemLocation);
        if(nbfileInfo.isFile())
        {
            QFile file(itemLocation);
            file.moveToTrash();
        } else {
            QDir dir(itemLocation);
            if(dir.exists(itemLocation))
            {
                dir.removeRecursively();
            }
        }
    }
}
/* Item Properties */
void MainWindow::on_itemPropertiesButton_clicked()
{
    if(ui->notebookList->currentItem() != nullptr)
    {
        QString selectedItem = ui->notebookList->currentItem()->text(1);
        itemProperties* uiItemProperties = new itemProperties(&notebookList, selectedItem);
        if(!uiItemProperties->exec()) return;
        UpdateNotebookList();
    }
}
/* Import Section */
void MainWindow::on_importSection_Button_clicked()
{
    int nb_idx = 0;
    int sg_idx = 0;
    int item_level = 0;
    QStringList list;
    QStringList* notebookDirList = new QStringList();
    QStringList* notebookColorList = new QStringList();
    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
    {
        if(nb_idx == 0)
        {
            item_level++;
        }
        notebookDirList->append(notebookList.nbList.at(nb_idx)->location);
        notebookColorList->append(notebookList.nbList.at(nb_idx)->color);
        for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
        {
            if(sg_idx == 0)
            {
                item_level++;
            }
            notebookDirList->append(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location);
            notebookColorList->append(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->color);
            item_level = newSectionDirSequence_toSectToDirDialog(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), notebookColorList, notebookDirList, item_level, 1);
        }
    }
    list = addItemsToDirectorySelection(notebookList.nbList);
    importSection* uiImportSection = new importSection(*notebookColorList, *notebookDirList, list);
    if(!uiImportSection->exec()) return;
    QString fullFileName = uiImportSection->getNewFile();
    QFileInfo newFileInfo(fullFileName);
    QTreeWidgetItem* sectionItem = notebookList.createSectionIcon(newFileInfo);

    QList<QTreeWidgetItem*> clist = ui->notebookList->findItems(newFileInfo.absoluteFilePath(), Qt::MatchContains|Qt::MatchRecursive, 1);
    foreach(QTreeWidgetItem* item, clist)
    {
        item->addChild(sectionItem);
    }

    nb_idx = 0;
    int file_idx = 0;
    sg_idx = 0;
    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
    {
        QFileInfo notebookFileInfo(notebookList.nbList.at(nb_idx)->location);
        if(notebookList.nbList.at(nb_idx)->location == newFileInfo.absolutePath())
        {
            if(!notebookList.nbList.at(nb_idx)->files.contains(fullFileName))
            {
                notebookList.nbList.at(nb_idx)->files.append(fullFileName);
            }
        }
        for(file_idx = 0; file_idx < notebookList.nbList.at(nb_idx)->files.size(); file_idx++)
        {
            QFileInfo fileInfo(notebookList.nbList.at(nb_idx)->files.at(file_idx));
            if(!fileInfo.isFile())
            {
                // Section Group
                if(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location == fileInfo.absolutePath())
                {
                    if(!notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->files.contains(fullFileName))
                    {
                        notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->files.append(fullFileName);
                    }
                } else {
                    newSectionDirSequence_fileToSectGr(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), fullFileName);
                }
                sg_idx++;
            }
        }
        file_idx = 0;
        sg_idx = 0;
    }
    UpdateNotebookList();
}
/* Export Section */
void MainWindow::on_exportSection_Button_clicked()
{
    QTreeWidgetItem* selectedItem = ui->notebookList->currentItem();
    QString fileSelected = selectedItem->text(1);

    QFile file(fileSelected);
    QFileInfo fileInfo(fileSelected);
    if(fileInfo.isFile())
    {
        QFileDialog dialog(this);
        dialog.setFileMode(QFileDialog::AnyFile);
        dialog.setNameFilter(tr("Any File"));
        QString fileName = dialog.getSaveFileName(this, tr("Save File"), QDir().homePath() + QDir::separator()
                                                  + "Documents" + QDir::separator() + fileInfo.fileName(), tr("File")); // Open Dialog
        file.copy(fileName);
    }
}
/* Move Item */
void MainWindow::on_moveItem_Button_clicked()
{
    QTreeWidgetItem* currentItem = ui->notebookList->currentItem();
    if(currentItem != nullptr)
    {
        QTreeWidgetItem* parentItem = ui->notebookList->currentItem()->parent();
        if(parentItem != nullptr)
        {
            bool moveItemState = true;
            QString fileName = ui->notebookList->currentItem()->text(0);
            QString fileLocation = ui->notebookList->currentItem()->text(1);
            int nb_idx = 0;
            int sg_idx = 0;
            int item_level = 0;
            QStringList list;
            QStringList* notebookColorList = new QStringList();
            QStringList* notebookDirList = new QStringList();
            notebookColorList->empty();
            notebookDirList->empty();
            for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
            {
                if(nb_idx == 0)
                {
                    item_level++;
                }
                notebookColorList->append(notebookList.nbList.at(nb_idx)->color);
                notebookDirList->append(notebookList.nbList.at(nb_idx)->location);
                for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
                {
                    if(sg_idx == 0)
                    {
                        item_level++;
                    }
                    notebookColorList->append(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->color);
                    notebookDirList->append(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location);
                    item_level = newSectionDirSequence_toSectToDirDialog(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), notebookColorList, notebookDirList, item_level, 1);
                }
            }
            list = addItemsToDirectorySelection(notebookList.nbList);
            CopyItemDialog* uiCopyItemDialog = new CopyItemDialog(moveItemState, *notebookColorList, *notebookDirList, list, fileName, fileLocation);
            if(!uiCopyItemDialog->exec()) return;
            if(uiCopyItemDialog->Accepted)
            {
                DeleteSelectedItem(currentItem);
                QString fullFileName = uiCopyItemDialog->getFileLocation();
                QFileInfo newFileInfo(fullFileName);
                nb_idx = 0;
                sg_idx = 0;
                if(newFileInfo.isFile())
                {
                    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
                    {
                        if(!notebookList.nbList.at(nb_idx)->files.contains(fullFileName) && (newFileInfo.absolutePath() == notebookList.nbList.at(nb_idx)->location))
                        {
                            notebookList.nbList.at(nb_idx)->files.append(fullFileName);
                        }
                        for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
                        {
                            if(!notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->files.contains(fullFileName)
                                    && (newFileInfo.absolutePath() == notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location))
                            {
                                notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->files.append(fullFileName);
                            }
                            newSectionDirSequence_fileToSectGr(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), fullFileName);
                        }
                    }
                } else {
                    SectionGroup* sectionGroup = new SectionGroup();
                    *sectionGroup = openSectionGroup(newFileInfo.absolutePath(), fullFileName);
                    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
                    {
                        if(sectionGroup->parentDir == notebookList.nbList.at(nb_idx)->location)
                        {
                            notebookList.nbList.at(nb_idx)->files.append(sectionGroup->location);
                            notebookList.nbList.at(nb_idx)->sectionGroupArray.append(sectionGroup);
                        }
                        for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
                        {
                            newSectionDirSequence_toSectToDirDialog(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), sectionGroup);
                            if(sectionGroup->parentDir == notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location)
                            {
                                notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->files.append(sectionGroup->location);
                                notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->sectionGroupArray.append(sectionGroup);
                            }
                        }
                    }
                }
                UpdateNotebookList();
            }
        } else {
            messageBox("Error", "Cannot Copy Notebooks within themselves!");
        }
    } else {
        messageBox("Error", "Must Select a Valid Item!");
    }
}
/* Copy Item */
void MainWindow::on_copyItem_Button_clicked()
{
    QTreeWidgetItem* currentItem = ui->notebookList->currentItem();
    if(currentItem != nullptr)
    {
        QTreeWidgetItem* parentItem = ui->notebookList->currentItem()->parent();
        if(parentItem != nullptr)
        {
            bool moveItemState = false;
            QString fileName = ui->notebookList->currentItem()->text(0);
            QString fileLocation = ui->notebookList->currentItem()->text(1);
            int nb_idx = 0;
            int sg_idx = 0;
            int item_level = 0;
            QStringList list;
            QStringList* notebookColorList = new QStringList();
            QStringList* notebookDirList = new QStringList();
            notebookColorList->empty();
            notebookDirList->empty();
            for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
            {
                if(nb_idx == 0)
                {
                    item_level++;
                }
                notebookColorList->append(notebookList.nbList.at(nb_idx)->color);
                notebookDirList->append(notebookList.nbList.at(nb_idx)->location);
                for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
                {
                    if(sg_idx == 0)
                    {
                        item_level++;
                    }
                    notebookColorList->append(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->color);
                    notebookDirList->append(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location);
                    item_level = newSectionDirSequence_toSectToDirDialog(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), notebookColorList, notebookDirList, item_level, 1);
                }
            }
            list = addItemsToDirectorySelection(notebookList.nbList);
            CopyItemDialog* uiCopyItemDialog = new CopyItemDialog(moveItemState, *notebookColorList, *notebookDirList, list, fileName, fileLocation);
            if(!uiCopyItemDialog->exec()) return;
            if(uiCopyItemDialog->Accepted)
            {
                QString fullFileName = uiCopyItemDialog->getFileLocation();
                QFileInfo newFileInfo(fullFileName);

                nb_idx = 0;
                sg_idx = 0;
                if(newFileInfo.isFile())
                {
                    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
                    {
                        if(!notebookList.nbList.at(nb_idx)->files.contains(fullFileName) && (newFileInfo.absolutePath() == notebookList.nbList.at(nb_idx)->location))
                        {
                            notebookList.nbList.at(nb_idx)->files.append(fullFileName);
                        }
                        for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
                        {
                            if(!notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->files.contains(fullFileName)
                                    && (newFileInfo.absolutePath() == notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location))
                            {
                                notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->files.append(fullFileName);
                            }
                            newSectionDirSequence_fileToSectGr(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), fullFileName);
                        }
                    }
                } else {
                    SectionGroup* sectionGroup = new SectionGroup();
                    *sectionGroup = openSectionGroup(newFileInfo.absolutePath(), fullFileName);
                    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
                    {
                        if(sectionGroup->parentDir == notebookList.nbList.at(nb_idx)->location)
                        {
                            notebookList.nbList.at(nb_idx)->files.append(sectionGroup->location);
                            notebookList.nbList.at(nb_idx)->sectionGroupArray.append(sectionGroup);
                        }
                        for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
                        {
                            newSectionDirSequence_toSectToDirDialog(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), sectionGroup);
                            if(sectionGroup->parentDir == notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location)
                            {
                                notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->files.append(sectionGroup->location);
                                notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->sectionGroupArray.append(sectionGroup);
                            }
                        }
                    }
                }
                UpdateNotebookList();
            }
        } else {
            messageBox("Error", "Cannot Copy Notebooks within themselves!");
        }
    } else {
        messageBox("Error", "Must Select a Valid Item!");
    }
}
/* Hide Directory and Size Check Boxes */
void MainWindow::on_hideDirectory_Check_stateChanged(int arg1)
{
    if(arg1 == 0)
    {
        // Unchecked
        ui->notebookList->showColumn(1);
    } else {
        // Checked
        ui->notebookList->hideColumn(1);
    }
}
void MainWindow::on_hideSize_Check_stateChanged(int arg1)
{
    if(arg1 == 0)
    {
        // Unchecked
        ui->notebookList->showColumn(2);
    } else {
        // Checked
        ui->notebookList->hideColumn(2);
    }
}

void MainWindow::on_refreshNotebookListButton_clicked()
{
    UpdateNotebookList();
    UpdateNotebookList(); // Refresh two times in a row for better consistency. Especially if the file names have been changed via file manager
}

/* Update The Notebook List (QTreeWidget) */
void MainWindow::UpdateNotebookList()
{
    int nb_idx = 0;
    int sg_idx = 0;
    int file_idx = 0;
    // Empty Current List and Update List
    ui->notebookList->clear();
    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
    {
        QFileInfo nbFileInfo(notebookList.nbList.at(nb_idx)->location);
        QDir directory(notebookList.nbList.at(nb_idx)->location);
        directory.setFilter(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
        foreach(QFileInfo fileInfo, directory.entryInfoList())
        {
            if(!notebookList.nbList.at(nb_idx)->files.contains(fileInfo.absoluteFilePath()) && !fileInfo.fileName().endsWith(".noteb")
                    && fileInfo.fileName() != "." && fileInfo.fileName() != ".." && !fileInfo.fileName().endsWith("~"))
            {
                notebookList.nbList.at(nb_idx)->files.append(fileInfo.absoluteFilePath());
            }
        }
        file_idx = 0;
        for(sg_idx = 0; sg_idx < notebookList.nbList.at(nb_idx)->sectionGroupArray.size(); sg_idx++)
        {
            QFileInfo sgFileInfo(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location);
            QDir directory(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->location);
            directory.setFilter(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
            foreach(QFileInfo fileInfo, directory.entryInfoList())
            {
                if(!notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->files.contains(fileInfo.absoluteFilePath()) && !fileInfo.fileName().endsWith(".sectgr")
                        && fileInfo.fileName() != "." && fileInfo.fileName() != ".." && !fileInfo.fileName().endsWith("~"))
                {
                    notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx)->files.append(fileInfo.absoluteFilePath());
                }
            }
            updateNotebookDirSequence_fileToSecGr(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx));
        }
        sg_idx = 0;
    }
    nb_idx = 0;
    file_idx = 0;
    sg_idx = 0;
    for(nb_idx = 0; nb_idx < notebookList.nbList.size(); nb_idx++)
    {
        QFileInfo notebookFileInfo(notebookList.nbList.at(nb_idx)->location);
        QTreeWidgetItem* notebookNameItem = notebookList.createNotebookIcon(notebookList.nbList.at(nb_idx));
        for(file_idx = 0; file_idx < notebookList.nbList.at(nb_idx)->files.size(); file_idx++)
        {
            if(!QFile(notebookList.nbList.at(nb_idx)->files.at(file_idx)).exists())
            {
                notebookList.nbList.at(nb_idx)->files.removeAt(file_idx);
                if(!QDir(notebookList.nbList.at(nb_idx)->files.at(file_idx)).exists())
                {
                    notebookList.nbList.at(nb_idx)->sectionGroupArray.removeAt(sg_idx);
                }
            } else {
                QFileInfo fileInfo(notebookList.nbList.at(nb_idx)->files.at(file_idx));
                if(fileInfo.isFile() == true)
                {
                    // Section
                    notebookNameItem->addChild(notebookList.createSectionIcon(fileInfo));
                } else {
                    // Section Group
                    QTreeWidgetItem* sectionGroupItem = notebookList.createSectionGroupIcon(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx));
                    notebookNameItem->addChild(sectionGroupItem);
                    updateNotebookDirSequence_treeWidget(notebookList.nbList.at(nb_idx)->sectionGroupArray.at(sg_idx), sectionGroupItem);
                    sg_idx++;
                }
            }
        }
        ui->notebookList->addTopLevelItem(notebookNameItem);
        sg_idx = 0;
    }
    ui->notebookList->expandAll();
}

void MainWindow::on_iconSizeSlider_valueChanged(int value)
{
    ui->notebookList->setIconSize(QSize(value, value));
}

void MainWindow::messageBox(QString title, QString message)
{
    QMessageBox messageBox;
    QFont fontSize;
    fontSize.setPointSize(12);
    messageBox.setWindowTitle(title);
    messageBox.setFont(fontSize);
    messageBox.setText(message);
    messageBox.exec();
}

/* Recursive Functions */
void MainWindow::newSectionDirSequence_fileToSectGr(SectionGroup* sectionGroup, QString fullFileName)
{
    int sg_idx = 0;
    QFileInfo newFileInfo(fullFileName);

    for(sg_idx = 0; sg_idx < sectionGroup->sectionGroupArray.size(); sg_idx++)
    {
        if(!sectionGroup->sectionGroupArray.at(sg_idx)->files.contains(fullFileName)
                && (newFileInfo.absolutePath() == sectionGroup->sectionGroupArray.at(sg_idx)->location))
        {
            sectionGroup->sectionGroupArray.at(sg_idx)->files.append(fullFileName);
        }
        newSectionDirSequence_fileToSectGr(sectionGroup->sectionGroupArray.at(sg_idx), fullFileName);
    }

}

void MainWindow::newSectionDirSequence_toSectToDirDialog(SectionGroup* sectionGroup, SectionGroup* subSectionGroup)
{
    // This is a Recursive Function
    int sg_idx = 0;
    for(sg_idx = 0; sg_idx < sectionGroup->sectionGroupArray.size(); sg_idx++)
    {
        newSectionDirSequence_toSectToDirDialog(sectionGroup->sectionGroupArray.at(sg_idx), subSectionGroup);
        if(subSectionGroup->parentDir == sectionGroup->sectionGroupArray.at(sg_idx)->location)
        {
            sectionGroup->sectionGroupArray.at(sg_idx)->files.append(subSectionGroup->location);
            sectionGroup->sectionGroupArray.at(sg_idx)->sectionGroupArray.append(subSectionGroup);
        }
    }
}

int MainWindow::newSectionDirSequence_toSectToDirDialog(SectionGroup* sectionGroup, QStringList* notebookColorList, QStringList* notebookDirList, int item_level, int tab_count)
{
    // This is a Recursive Function
    int sg_idx = 0;
    int tab_idx = tab_count + 1;
    for(sg_idx = 0; sg_idx < sectionGroup->sectionGroupArray.size(); sg_idx++)
    {
        if(sg_idx == 0)
        {
            item_level++;
        }
        notebookDirList->append(sectionGroup->sectionGroupArray.at(sg_idx)->location);
        notebookColorList->append(sectionGroup->sectionGroupArray.at(sg_idx)->color);
        item_level = newSectionDirSequence_toSectToDirDialog(sectionGroup->sectionGroupArray.at(sg_idx), notebookColorList, notebookDirList, item_level, tab_idx);
    }
    return item_level;
}

void MainWindow::openNotebookDirSequence_treeWidget(SectionGroup* sectionGroup, QTreeWidgetItem* sectionChildItem)
{
    /* This is a Recursive Function */
    int idx = 0; // File Index (including Directory)
    int dir_idx = 0; // Directory Index
    for(idx = 0; idx < sectionGroup->files.size(); idx++)
    {
        QFileInfo fileInfo(sectionGroup->files.at(idx));
        if(fileInfo.fileName() != "."  && fileInfo.fileName() != ".." && fileInfo.fileName().endsWith(".sectgr") == false && fileInfo.fileName().endsWith("~") == false)
        {
            if(fileInfo.isFile() == true)
            {
                // Section
                sectionChildItem->addChild(notebookList.createSectionIcon(fileInfo));
            } else {
                // Section Group
                SectionGroup* subSectionGroup = new SectionGroup();
                *subSectionGroup = openSectionGroup(sectionGroup->name, sectionGroup->files.at(idx));
                QTreeWidgetItem* subSectionGroupItem = notebookList.createSectionGroupIcon(subSectionGroup);
                sectionChildItem->addChild(subSectionGroupItem);
                openNotebookDirSequence_treeWidget(subSectionGroup, subSectionGroupItem);
                sectionGroup->sectionGroupArray.append(subSectionGroup);
                dir_idx++;
            }
        }
    }
    sectionGroup->files.sort();
}

void MainWindow::openSectionDirSequence_findFile(SectionGroup* sectionGroup, QString selectedItemStr)
{
    /* This is a Recursive Function */
    int sg_idx = 0;
    int file_sg_idx = 0;
    for(sg_idx = 0; sg_idx < sectionGroup->sectionGroupArray.size(); sg_idx++)
    {
        for(file_sg_idx = 0; file_sg_idx < sectionGroup->sectionGroupArray.at(sg_idx)->files.size(); file_sg_idx++)
        {
            QFileInfo fileInfo(sectionGroup->sectionGroupArray.at(sg_idx)->files.at(file_sg_idx));
            if(selectedItemStr == fileInfo.fileName())
            {
                // TODO: Implement Application Launcher!
                runOpenSectionApplication(sectionGroup->sectionGroupArray.at(sg_idx)->files.at(file_sg_idx));
                break;
            }
        }
        file_sg_idx = 0;
    }
}

void MainWindow::newSectionGroupDirSequence_treeWidget(SectionGroup* sectionGroup, SectionGroup* newSectionGroup, QTreeWidgetItem* sectionGroupItem)
{
    /* This is a Recursive Function */
    int sg_idx = 0;
    for(sg_idx = 0; sectionGroup->sectionGroupArray.size(); sg_idx++)
    {
        if(newSectionGroup->parentDir == sectionGroup->sectionGroupArray.at(sg_idx)->location)
        {
            sectionGroup->sectionGroupArray.append(newSectionGroup);
            break;
        } else {
            newSectionGroupDirSequence_treeWidget(sectionGroup, newSectionGroup, sectionGroupItem);
        }

    }
}

void MainWindow::updateNotebookDirSequence_treeWidget(SectionGroup* sectionGroup, QTreeWidgetItem* sectionChildItem)
{
    /* This is a Recursive Function */
    int idx = 0; // File Index (including Directory)
    int dir_idx = 0; // Directory Index
    for(idx = 0; idx < sectionGroup->files.size(); idx++)
    {
        QFileInfo fileInfo(sectionGroup->files.at(idx));
        if(fileInfo.fileName() != "."  && fileInfo.fileName() != ".." && !fileInfo.fileName().endsWith(".sectgr") && !fileInfo.fileName().endsWith("~"))
        {
            if(fileInfo.isFile() == true)
            {
                // Section
                sectionChildItem->addChild(notebookList.createSectionIcon(fileInfo));
            } else {
                // Section Group
                QTreeWidgetItem* subSectionGroupNameItem = notebookList.createSectionGroupIcon(sectionGroup->sectionGroupArray.at(dir_idx));
                sectionChildItem->addChild(subSectionGroupNameItem);
                updateNotebookDirSequence_treeWidget(sectionGroup->sectionGroupArray.at(dir_idx), subSectionGroupNameItem);
                dir_idx++;
            }
        }
    }
    idx = 0;
    dir_idx = 0;
}

void MainWindow::updateNotebookDirSequence_fileToSecGr(SectionGroup* sectionGroup)
{
    /* This is a Recursive Function */
    int sg_idx = 0;
    for(sg_idx = 0; sg_idx < sectionGroup->sectionGroupArray.size(); sg_idx++)
    {
        QFileInfo nbFileInfo(sectionGroup->sectionGroupArray.at(sg_idx)->location);
        QDir directory(sectionGroup->sectionGroupArray.at(sg_idx)->location);
        directory.setFilter(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
        foreach(QFileInfo fileInfo, directory.entryInfoList())
        {
            if(!sectionGroup->sectionGroupArray.at(sg_idx)->files.contains(fileInfo.absoluteFilePath()) && !fileInfo.fileName().endsWith(".sectgr")
                    && fileInfo.fileName() != "." && fileInfo.fileName() != ".." && fileInfo.fileName().endsWith("~"))
            {
                sectionGroup->sectionGroupArray.at(sg_idx)->files.append(fileInfo.absoluteFilePath());
            }
        }
        updateNotebookDirSequence_fileToSecGr(sectionGroup->sectionGroupArray.at(sg_idx));
    }
}

void MainWindow::deleteNotebookDirSequence_findFile(SectionGroup* sectionGroup, QString selectedItem)
{
    int file_idx = 0;
    for(file_idx = 0; file_idx < sectionGroup->files.size(); file_idx++)
    {
        if(sectionGroup->files.at(file_idx) == selectedItem)
        {
            if(QFileInfo(sectionGroup->files.at(file_idx)).isDir())
            {
                int sg2_idx = 0;
                for(sg2_idx = 0; sg2_idx < sectionGroup->sectionGroupArray.size(); sg2_idx++)
                {
                    if(sectionGroup->sectionGroupArray.at(sg2_idx)->location == selectedItem)
                    {
                        sectionGroup->sectionGroupArray.removeAt(sg2_idx);
                    }
                }
            }
            sectionGroup->files.removeAt(file_idx);
        } else {
            QFileInfo fileInfo(sectionGroup->files.at(file_idx));
            if(fileInfo.isDir())
            {
                int sg_idx = 0;
                for(sg_idx = 0; sg_idx < sectionGroup->sectionGroupArray.size(); sg_idx++)
                {
                    // Section Group
                    deleteNotebookDirSequence_findFile(sectionGroup->sectionGroupArray.at(sg_idx), selectedItem);
                }
            }
        }
    }
}

/* Menu Items */
void MainWindow::on_actionNew_Section_triggered()
{
    on_newSection_Button_clicked();
}
void MainWindow::on_actionNew_Section_Group_triggered()
{
    on_newSectionGroup_Button_clicked();
}
void MainWindow::on_actionNew_Notebook_triggered()
{
    on_newNotebook_Button_clicked();
}
void MainWindow::on_actionOpen_Notebook_triggered()
{
    on_openNotebook_Button_clicked();
}
void MainWindow::on_actionOpen_Section_triggered()
{
    on_openSection_Button_clicked();
}
void MainWindow::on_actionUnfiled_Notes_triggered()
{
    on_unfiledNotes_Button_clicked();
}
void MainWindow::on_actionClose_Notebook_triggered()
{
    on_closeNotebook_Button_clicked();
}
void MainWindow::on_actionClose_All_Notebooks_triggered()
{
    on_closeAllNotebooksButton_clicked();
}
void MainWindow::on_actionExit_triggered()
{
    ExitProgram();
    QApplication::quit();
}
void MainWindow::on_actionDeleteItem_triggered()
{
    on_deleteSelectedItem_Button_clicked();
}
void MainWindow::on_actionImport_Section_triggered()
{
    on_importSection_Button_clicked();
}
void MainWindow::on_actionExport_Section_triggered()
{
    on_exportSection_Button_clicked();
}
void MainWindow::on_actionSettings_triggered()
{
    on_generalSettings_Button_clicked();
}
void MainWindow::on_actionApplication_Launchers_triggered()
{
    uiSettings->setSettingsTabPage(1);
    if(!uiSettings->exec()) return;
}
void MainWindow::on_actionHelp_triggered()
{
    uiSettings->setSettingsTabPage(2);
    if(!uiSettings->exec()) return;
}
void MainWindow::on_actionAbout_triggered()
{
    uiSettings->setSettingsTabPage(3);
    if(!uiSettings->exec()) return;
}
void MainWindow::on_actionItem_Properties_triggered()
{
    on_itemPropertiesButton_clicked();
}
void MainWindow::on_actionRefresh_Notebook_List_triggered()
{
    on_refreshNotebookListButton_clicked();
}
void MainWindow::on_actionExpand_All_Notebooks_triggered()
{
    ui->notebookList->expandToDepth(0);
}
void MainWindow::on_actionExpand_All_Items_triggered()
{
    ui->notebookList->expandAll();
}
void MainWindow::on_actionCollapse_All_Notebooks_triggered()
{
    ui->notebookList->collapseAll();
}