KoMarkerModel.cpp

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2011 Thorsten Zachmann <zachmann@kde.org>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#include "KoMarkerModel.h"
 
// Calligra
#include <KoMarker.h>
// Qt
#include <QSize>
 
 
KoMarkerModel::KoMarkerModel(const QList<KoMarker*> markers, KoFlake::MarkerPosition position, QObject *parent)
    : QAbstractListModel(parent)
    , m_markerPosition(position)
    , m_temporaryMarkerPosition(-1)
{
    Q_FOREACH (KoMarker *marker, markers) {
        m_markers.append(QExplicitlySharedDataPointer<KoMarker>(marker));
    }
}
 
KoMarkerModel::~KoMarkerModel()
{
}
 
int KoMarkerModel::rowCount(const QModelIndex &parent) const
{
    Q_UNUSED(parent);
    return m_markers.count();
}
 
QVariant KoMarkerModel::data(const QModelIndex &index, int role) const
{
    if (!index.isValid()) {
         return QVariant();
    }
 
    switch(role) {
    case Qt::DecorationRole:
        if (index.row() < m_markers.size()) {
            return QVariant::fromValue<KoMarker*>(m_markers.at(index.row()).data());
        }
        return QVariant();
    case Qt::SizeHintRole:
        return QSize(80,30);
    default:
        return QVariant();
    }
}
 
int KoMarkerModel::markerIndex(KoMarker *marker) const
{
    for (int i = 0; i < m_markers.size(); i++) {
        if (m_markers[i] == marker) return i;
        if (m_markers[i] && marker && *m_markers[i] == *marker) return i;
    }
 
    return false;
}
 
int KoMarkerModel::addTemporaryMarker(KoMarker *marker)
{
    if (m_temporaryMarkerPosition >= 0) {
        removeTemporaryMarker();
    }
 
    m_temporaryMarkerPosition = m_markers.size() > 0 ? 1 : 0;
    beginInsertRows(QModelIndex(), m_temporaryMarkerPosition, m_temporaryMarkerPosition);
    m_markers.prepend(QExplicitlySharedDataPointer<KoMarker>(marker));
 
    endInsertRows();
 
    return m_temporaryMarkerPosition;
}
 
void KoMarkerModel::removeTemporaryMarker()
{
    if (m_temporaryMarkerPosition >= 0) {
        beginRemoveRows(QModelIndex(), m_temporaryMarkerPosition, m_temporaryMarkerPosition);
        m_markers.removeAt(m_temporaryMarkerPosition);
        m_temporaryMarkerPosition = -1;
        endRemoveRows();
    }
}
 
int KoMarkerModel::temporaryMarkerPosition() const
{
    return m_temporaryMarkerPosition;
}
 
QVariant KoMarkerModel::marker(int index, int role) const
{
    if (index < 0){
        return QVariant();
    }
 
    switch(role) {
        case Qt::DecorationRole:
            if (index< m_markers.size()) {
                return QVariant::fromValue<KoMarker*>(m_markers.at(index).data());
            }
            return QVariant();
        case Qt::SizeHintRole:
            return QSize(80, 30);
        default:
            return QVariant();
    }
}
 
KoFlake::MarkerPosition KoMarkerModel::position() const
{
    return m_markerPosition;
}