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path: root/gui/groupview/GroupedProxyModel.cpp
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#include "GroupedProxyModel.h"

#include "GroupView.h"
#include "logger/QsLog.h"

GroupedProxyModel::GroupedProxyModel(QObject *parent) : QSortFilterProxyModel(parent)
{
}

bool GroupedProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right) const
{
	const QString leftCategory = left.data(GroupViewRoles::GroupRole).toString();
	const QString rightCategory = right.data(GroupViewRoles::GroupRole).toString();
	if (leftCategory == rightCategory)
	{
		return subSortLessThan(left, right);
	}
	else
	{
		// FIXME: real group sorting happens in GroupView::updateGeometries(), see LocaleString
		auto result = leftCategory.localeAwareCompare(rightCategory);
		if(result < 0)
		{
			QLOG_DEBUG() << leftCategory << "<" << rightCategory;
		}
		if(result == 0)
		{
			QLOG_DEBUG() << leftCategory << "=" << rightCategory;
			return subSortLessThan(left, right);
		}
		if(result > 0)
		{
			QLOG_DEBUG() << leftCategory << ">" << rightCategory;
		}
		return result < 0;
	}
}

bool GroupedProxyModel::subSortLessThan(const QModelIndex &left, const QModelIndex &right) const
{
	return left.row() < right.row();
}