/**
 * \brief Handles the click on an item
 * @param item as the clicked item
 * @param index as the given index
 */
void UBLibraryWidget::onItemClicked(QGraphicsItem *item, int index)
{
    Q_UNUSED(index);
    if(NULL != item)
    {
        mLoadingLibraryItems = true;
		int iItem = mGraphicItems.indexOf(item);
        if(0 <= iItem)
        {
            UBLibElement* pElem = mCurrentElems.at(iItem);
            if(NULL != pElem)
            {
                delete mpCrntElem;
                mpCrntElem = new UBLibElement(pElem);
                if(eUBLibElementType_Folder == pElem->type() || eUBLibElementType_VirtualFolder == pElem->type())
                {
                    // Add the clicked element to the end of the elements list
                    // (at this level, the user can only go down in the path)
                    UBChainedLibElement* pNextElem = new UBChainedLibElement(pElem);
                    appendChainedElement(pNextElem, chainedElements);
                    delete mpCrntDir;
                    mpCrntDir = new UBLibElement(pElem);
                    // Display the content of the folder
                    QList<UBLibElement*> qlElems = mLibraryController->getContent(mpCrntDir);
                    mCurrentElems = qlElems;
                    refreshView();
                }
                else
                {
                    if ("application/search" == UBFileSystemUtils::mimeTypeFromFileName(pElem->path().toLocalFile()))
                    {
                        emit displaySearchEngine(pElem);
                    }
                    else
                    {
                        // Display the properties view
                        emit propertiesRequested(pElem);
                    }
                }
            }
            emit itemClicked();
        }
		mLoadingLibraryItems = false;
    }
}
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// Constructor
NTagView::NTagView(QWidget *parent) :
    QTreeWidget(parent)
{
    accountFilter = 0;
    this->setFont(global.getGuiFont(font()));

    filterPosition = 0;
    maxCount = 0;
    // setup options
    this->setEditTriggers(QAbstractItemView::NoEditTriggers);
    this->setSelectionBehavior(QAbstractItemView::SelectRows);
    this->setSelectionMode(QAbstractItemView::ExtendedSelection);
    this->setRootIsDecorated(true);
    this->setSortingEnabled(false);
    this->header()->setVisible(false);
    //this->setStyleSheet("QTreeWidget { background:transparent; border:none; margin:0px; padding: 0px; }");

    // Build the root item
    root = new NTagViewItem(this);
    root->setIcon(NAME_POSITION,global.getIconResource(":tagIcon"));
    root->setData(NAME_POSITION, Qt::UserRole, "root");
    root->setData(NAME_POSITION, Qt::DisplayRole, tr("Tags from Personal"));
    root->setExpanded(true);
    QFont rootFont = root->font(NAME_POSITION);
    rootFont.setBold(true);
    root->setFont(NAME_POSITION, rootFont);

    this->setMinimumHeight(1);
    this->addTopLevelItem(root);
    this->rebuildTagTreeNeeded = true;
    this->loadData();
    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    connect(this, SIGNAL(itemExpanded(QTreeWidgetItem*)), this, SLOT(calculateHeight()));
    connect(this, SIGNAL(itemCollapsed(QTreeWidgetItem*)), this, SLOT(calculateHeight()));
    connect(this, SIGNAL(itemSelectionChanged()), this, SLOT(buildSelection()));

    setAcceptDrops(true);
    setDragEnabled(true);

    global.settings->beginGroup("SaveState");
    hideUnassigned = global.settings->value("hideUnassigned", false).toBool();
    global.settings->endGroup();


    addAction = context.addAction(tr("Create New Tag"));
    addAction->setShortcut(QKeySequence(Qt::Key_Insert));
    addAction->setShortcutContext(Qt::WidgetShortcut);

    addShortcut = new QShortcut(this);
    addShortcut->setKey(QKeySequence(Qt::Key_Insert));
    addShortcut->setContext(Qt::WidgetShortcut);

    context.addSeparator();
    deleteAction = context.addAction(tr("Delete"));
    deleteAction->setShortcut(QKeySequence(Qt::Key_Delete));

    deleteShortcut = new QShortcut(this);
    deleteShortcut->setKey(QKeySequence(Qt::Key_Delete));
    deleteShortcut->setContext(Qt::WidgetShortcut);

    renameAction = context.addAction(tr("Rename"));
    renameAction->setShortcutContext(Qt::WidgetShortcut);

    mergeAction = context.addAction(tr("Merge"));

    context.addSeparator();
    hideUnassignedAction = context.addAction(tr("Hide Unassigned"));
    hideUnassignedAction->setCheckable(true);
    hideUnassignedAction->setChecked(hideUnassigned);
    connect(hideUnassignedAction, SIGNAL(triggered()), this, SLOT(hideUnassignedTags()));

    context.addSeparator();
    propertiesAction = context.addAction(tr("Properties"));

    connect(addAction, SIGNAL(triggered()), this, SLOT(addRequested()));
    connect(deleteAction, SIGNAL(triggered()), this, SLOT(deleteRequested()));
    connect(renameAction, SIGNAL(triggered()), this, SLOT(renameRequested()));
    connect(propertiesAction, SIGNAL(triggered()), this, SLOT(propertiesRequested()));
    connect(mergeAction, SIGNAL(triggered()), this, SLOT(mergeRequested()));
    connect(addShortcut, SIGNAL(activated()), this, SLOT(addRequested()));
    connect(deleteShortcut, SIGNAL(activated()), this, SLOT(deleteRequested()));

    this->setItemDelegate(new NTagViewDelegate());
    this->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
    this->setFrameShape(QFrame::NoFrame);
    expandedImage = new QImage(":expandedIcon");
    collapsedImage = new QImage(":collapsedIcon");
}
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// Constructor
NNotebookView::NNotebookView(QWidget *parent) :
    QTreeWidget(parent)
{
    stackStore.clear();
    dataStore.clear();
    this->setFont(global.getGuiFont(font()));

    filterPosition = -1;
    maxCount = 0;  // Highest count of any notebook.  Used in calculating column width
    // setup options
    this->setEditTriggers(QAbstractItemView::NoEditTriggers);
    this->setSelectionBehavior(QAbstractItemView::SelectRows);
    this->setSelectionMode(QAbstractItemView::SingleSelection);
    this->setRootIsDecorated(true);
    this->setSortingEnabled(false);
    this->header()->setVisible(false);
    this->setStyleSheet("QTreeView {border-image:none; image:none;} ");
    root = new NNotebookViewItem(0);
    root->setType(NNotebookViewItem::Stack);
    root->setData(NAME_POSITION, Qt::UserRole, "rootsynchronized");
    root->setData(NAME_POSITION, Qt::DisplayRole, tr("Notebooks"));
    QFont rootFont = root->font(NAME_POSITION);
    rootFont.setBold(true);
    root->setFont(NAME_POSITION, rootFont);

    root->setRootColor(false);

    this->setMinimumHeight(1);
    this->addTopLevelItem(root);
    this->rebuildNotebookTreeNeeded = true;
    this->loadData();
    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    connect(this, SIGNAL(itemExpanded(QTreeWidgetItem*)), this, SLOT(calculateHeight()));
    connect(this, SIGNAL(itemCollapsed(QTreeWidgetItem*)), this, SLOT(calculateHeight()));
    connect(this, SIGNAL(itemSelectionChanged()), this, SLOT(buildSelection()));

    addAction = context.addAction(tr("Create New Notebook"));
    addAction->setShortcut(QKeySequence(Qt::Key_Insert));
    addAction->setShortcutContext(Qt::WidgetShortcut);

    addShortcut = new QShortcut(this);
    addShortcut->setKey(QKeySequence(Qt::Key_Insert));
    addShortcut->setContext(Qt::WidgetShortcut);

    context.addSeparator();
    deleteAction = context.addAction(tr("Delete"));
    deleteAction->setShortcut(QKeySequence(Qt::Key_Delete));

    deleteShortcut = new QShortcut(this);
    deleteShortcut->setKey(QKeySequence(Qt::Key_Delete));
    deleteShortcut->setContext(Qt::WidgetShortcut);

    // Start building the stack menu
    stackMenu = context.addMenu(tr("Add to stack"));
    QAction *newAction;
    NotebookTable table(global.db);
    QStringList stacks;
    table.getStacks(stacks);
    for (int i=0; i<stacks.size(); i++) {
        newAction = stackMenu->addAction(stacks[i]);
        connect(newAction, SIGNAL(triggered()), this, SLOT(moveToStackRequested()));
    }
    sortStackMenu();
    if (stacks.size() > 0) {
        stackMenu->addSeparator();
    }
    newStackAction = stackMenu->addAction(tr("New stack"));
    connect(newStackAction, SIGNAL(triggered()), this, SLOT(moveToNewStackRequested()));

    removeFromStackAction = context.addAction(tr("Remove from stack"));
    removeFromStackAction->setShortcutContext(Qt::WidgetShortcut);
    removeFromStackAction->setVisible(false);

    renameAction = context.addAction(tr("Rename"));
    renameAction->setShortcutContext(Qt::WidgetShortcut);

    //renameShortcut = new QShortcut(this);
    //renameShortcut->setKey(QKeySequence(Qt::Key_F2));
    //renameShortcut->setContext(Qt::WidgetShortcut);

    context.addSeparator();
    propertiesAction = context.addAction(tr("Properties"));

    connect(addAction, SIGNAL(triggered()), this, SLOT(addRequested()));
    connect(deleteAction, SIGNAL(triggered()), this, SLOT(deleteRequested()));
    connect(renameAction, SIGNAL(triggered()), this, SLOT(renameRequested()));
    connect(propertiesAction, SIGNAL(triggered()), this, SLOT(propertiesRequested()));

    connect(addShortcut, SIGNAL(activated()), this, SLOT(addRequested()));
    connect(deleteShortcut, SIGNAL(activated()), this, SLOT(deleteRequested()));
    //connect(renameShortcut, SIGNAL(activated()), this, SLOT(renameRequested()));
    connect(removeFromStackAction, SIGNAL(triggered()), this, SLOT(removeFromStackRequested()));

    this->setAcceptDrops(true);
    this->setItemDelegate(new NNotebookViewDelegate());
    root->setExpanded(true);
    this->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Preferred);
    this->setFrameShape(QFrame::NoFrame);


    //setStyle(new MyStyle("QTreeView"));
//    setStyle(new QCleanlooksStyle);
    //setStyleSheet("::branches {image: url(:right-arrow.png);}");

//    setStyleSheet("QTreeView::branch { image: url(:right-arrow.png); }");

    expandedImage = new QImage(":expandedIcon");
    collapsedImage = new QImage(":collapsedIcon");
}