flatitemsmodelbase.cpp

Go to the documentation of this file.

/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/

#include "flatitemsmodelbase.h"

namespace LC::Util
{
    FlatItemsModelBase::FlatItemsModelBase (QStringList headers, QObject *parent)
    : QAbstractItemModel { parent }
    , Headers_ { std::move (headers) }
    {
    }

    int FlatItemsModelBase::columnCount (const QModelIndex& index) const
    {
        return index.isValid () ? 0 : Headers_.size ();
    }

    QVariant FlatItemsModelBase::data (const QModelIndex& index, int role) const
    {
        if (!index.isValid ())
            return {};

        const auto& var = GetData (index.row (), index.column (), role);
        return var.isValid () ? var : GlobalData_.value (role);
    }

    QVariant FlatItemsModelBase::headerData (int section, Qt::Orientation orientation, int role) const
    {
        if (orientation != Qt::Horizontal || role != Qt::DisplayRole)
            return {};

        return Headers_.value (section);
    }

    QModelIndex FlatItemsModelBase::index (int row, int col, const QModelIndex& parent) const
    {
        if (parent.isValid () ||
                row >= GetItemsCount () ||
                col >= Headers_.size ())
            return {};

        return createIndex (row, col);
    }

    QModelIndex FlatItemsModelBase::parent (const QModelIndex&) const
    {
        return {};
    }

    int FlatItemsModelBase::rowCount (const QModelIndex& parent) const
    {
        return parent.isValid () ? 0 : GetItemsCount ();
    }

    void FlatItemsModelBase::SetGlobalData (const QVariant& data, int role)
    {
        if (data.isValid ())
            GlobalData_ [role] = data;
        else
            GlobalData_.remove (role);

        if (const auto rows = GetItemsCount ())
            emit dataChanged (index (0, 0), index (rows - 1, Headers_.size () - 1), { role });
    }
}