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6 ** This file is part of the test suite of the Qt Toolkit.
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21 ** GNU General Public License Usage
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42 #include "incrementalmodel.h"
43 #include <QGuiApplication>
46 IncrementalModel::IncrementalModel(QObject *parent)
47 : QAbstractListModel(parent), count(0)
49 for (int i = 0; i < 100; ++i)
50 list.append("Item " + QString::number(i));
53 int IncrementalModel::rowCount(const QModelIndex & /* parent */) const
58 QVariant IncrementalModel::data(const QModelIndex &index, int role) const
63 if (index.row() >= list.size() || index.row() < 0)
66 if (role == Qt::DisplayRole)
67 return list.at(index.row());
71 bool IncrementalModel::canFetchMore(const QModelIndex & /* index */) const
73 if (count < list.size())
79 void IncrementalModel::fetchMore(const QModelIndex & /* index */)
81 int remainder = list.size() - count;
82 int itemsToFetch = qMin(5, remainder);
84 beginInsertRows(QModelIndex(), count, count+itemsToFetch-1);
86 count += itemsToFetch;