Method initLabelView

UI/librarywindow.cpp:443–533

}

void LibraryWindow::initLabelView()
{
    LabelModel::instance()->waitLabelLoaded();
    labelView = new LabelTreeView(this);
    labelView->setObjectName(QStringLiteral("LabelView"));
    labelView->setAnimated(true);
    labelView->setMouseTracking(true);
    labelView->setEditTriggers(QAbstractItemView::NoEditTriggers);
    labelView->setSelectionMode(QAbstractItemView::SelectionMode::ExtendedSelection);
    labelView->header()->hide();
    labelView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    labelView->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    labelView->setFont(QFont(GlobalObjects::normalFont, 12));
    labelView->setIndentation(16);
    new FloatScrollBar(labelView->verticalScrollBar(), labelView);
    LabelItemDelegate *labelItemDelegate = new LabelItemDelegate(this);
    labelView->setItemDelegate(labelItemDelegate);
    labelProxyModel = new LabelProxyModel(this);
    labelProxyModel->setSourceModel(LabelModel::instance());
    labelProxyModel->setRecursiveFilteringEnabled(true);
    labelView->setModel(labelProxyModel);
    labelView->setSortingEnabled(true);
    labelProxyModel->sort(0, Qt::AscendingOrder);
    labelProxyModel->setFilterKeyColumn(0);
    labelView->setContextMenuPolicy(Qt::CustomContextMenu);

    QMenu *labelViewContextMenu = new ElaMenu(labelView);
    QAction *actDeleteTag = labelViewContextMenu->addAction(tr("Delete"));
    QObject::connect(actDeleteTag, &QAction::triggered, labelView, [=](){
        QItemSelection selection = labelView->selectionModel()->selection();
        if (selection.empty()) return;
        LabelModel::instance()->removeTag(labelProxyModel->mapSelectionToSource(selection).indexes().first());
    });
    QAction *actCopyTag = labelViewContextMenu->addAction(tr("Copy"));
    QObject::connect(actCopyTag, &QAction::triggered, labelView, [=](){
        QItemSelection selection = labelView->selectionModel()->selection();
        if (selection.empty()) return;
        QModelIndex index = labelProxyModel->mapToSource(selection.indexes().first());
        const TagNode *tag = (const TagNode *)LabelModel::instance()->data(index, TagNodeRole).value<void *>();
        QApplication::clipboard()->setText(tag->tagFilter);
    });
    QObject::connect(labelView, &LabelTreeView::customContextMenuRequested, labelView, [=](){
        QItemSelection selection = labelView->selectionModel()->selection();
        if (selection.empty()) return;
        QModelIndex index = labelProxyModel->mapToSource(selection.indexes().first());
        const TagNode *tag = (const TagNode *)LabelModel::instance()->data(index, TagNodeRole).value<void *>();
        actDeleteTag->setEnabled(tag->tagType == TagNode::TAG_CUSTOM);
        labelViewContextMenu->exec(QCursor::pos());
    });

    auto expand = [=](){
        labelView->expand(labelProxyModel->index(0,0,QModelIndex()));
        labelView->expand(labelProxyModel->index(1,0,QModelIndex()));
        labelView->expand(labelProxyModel->index(2,0,QModelIndex()));
        labelView->expand(labelProxyModel->index(3,0,QModelIndex()));
    };
    expand();