117 lines
2.8 KiB
C++
117 lines
2.8 KiB
C++
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/*
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* Copyright 2009 by Alan Alpert <alan.alpert@nokia.com>
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* Copyright 2010 by Ménard Alexis <menard@kde.org>
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* Copyright 2010 by Marco Martin <mart@kde.org>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "datamodel.h"
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#include <KDebug>
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namespace Plasma
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{
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DataModel::DataModel(QObject* parent)
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: QAbstractItemModel(parent)
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{
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setObjectName("DataModel");
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}
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DataModel::~DataModel()
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{
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}
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void DataModel::setItems(const QVariantList &list)
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{
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emit modelAboutToBeReset();
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//convert to vector, so data() will be O(1)
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m_items = list.toVector();
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int role = Qt::UserRole;
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m_roleNames.clear();
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foreach (QString roleName, list.first().value<QVariantMap>().keys()) {
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++role;
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m_roleNames[role] = roleName.toLatin1();
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}
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setRoleNames(m_roleNames);
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//make the declarative view reload everything,
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//would be nice an incremental update but is not possible
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emit modelReset();
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}
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QVariant DataModel::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid() || index.column() > 0 ||
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index.row() < 0 || index.row() >= m_items.count()){
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return QVariant();
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}
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return m_items.value(index.row()).value<QVariantMap>().value(m_roleNames.value(role));
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}
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QVariant DataModel::headerData(int section, Qt::Orientation orientation, int role) const
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{
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Q_UNUSED(section)
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Q_UNUSED(orientation)
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Q_UNUSED(role)
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return QVariant();
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}
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QModelIndex DataModel::index(int row, int column, const QModelIndex &parent) const
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{
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if (parent.isValid() || column > 0 || row < 0 || row >= m_items.count()) {
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return QModelIndex();
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}
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return createIndex(row, column, 0);
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}
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QModelIndex DataModel::parent(const QModelIndex &child) const
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{
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Q_UNUSED(child)
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return QModelIndex();
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}
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int DataModel::rowCount(const QModelIndex &parent) const
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{
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//this is not a tree
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//TODO: make it possible some day?
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if (parent.isValid()) {
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return 0;
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}
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return m_items.count();
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}
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int DataModel::columnCount(const QModelIndex &parent) const
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{
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if (parent.isValid()) {
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return 0;
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}
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return 1;
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}
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}
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#include "datamodel.moc"
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