Class LoadProxyModel

src/Menu.cpp:40–133

namespace{
class LoadProxyModel:public QAbstractProxyModel
{
public:
	explicit LoadProxyModel(QObject *parent=0):
		QAbstractProxyModel(parent)
	{
		setSourceModel(Load::instance()->getModel());
		connect(sourceModel(),&QAbstractItemModel::rowsInserted,this,&LoadProxyModel::endInsertRows);
		connect(sourceModel(),&QAbstractItemModel::rowsAboutToBeInserted,[this](const QModelIndex &parent,int sta,int end){
			beginInsertRows(mapFromSource(parent),sta,end);
		});
		connect(sourceModel(),&QAbstractItemModel::layoutAboutToBeChanged,this,&LoadProxyModel::layoutAboutToBeChanged);
		connect(sourceModel(),&QAbstractItemModel::layoutChanged,this,&LoadProxyModel::layoutChanged);
	}

	int columnCount(const QModelIndex &) const
	{
		return 1;
	}

	QVariant data(const QModelIndex &index,int role) const
	{
		if(isFakeItem(index)){
			switch(role){
			case Qt::TextAlignmentRole:
				return Qt::AlignCenter;
			case Qt::FontRole:
			{
				QFont f;
				f.setBold(true);
				return f;
			}
			case Qt::DisplayRole:
			case Qt::EditRole:
				return Menu::tr("Load All");
			case Qt::BackgroundRole:
				return QColor(0xA0A0A4);
			case Qt::ForegroundRole:
				return QColor(0xFFFFFF);
			case Qt::SizeHintRole:
				return QSize(0,20);
			case Load::UrlRole:
				return QUrl();
			case Load::StrRole:
				return "";
			default:
				return QVariant();
			}
		}
		else{
			return sourceModel()->data(mapToSource(index),role);
		}
	}

	Qt::ItemFlags flags(const QModelIndex &) const
	{
		return Qt::ItemIsSelectable|Qt::ItemIsEnabled;
	}