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#include "samplemodel.h"
#include <QDebug>
#include <QRandomGenerator>
SampleModel::SampleModel(QObject *parent) : QAbstractListModel(parent)
{}
int SampleModel::rowCount(const QModelIndex &parent) const
{
Q_UNUSED(parent)
return _data.size();
}
QVariant SampleModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (index.row() < 0 || index.row() > _data.count() - 1)
return QVariant();
auto row = _data.at(index.row());
switch (role) {
case IdRole:
return index.row();
case NameRole:
return row.first;
case GradeRole:
return row.second;
}
return QVariant();
}
QHash<int, QByteArray> SampleModel::roleNames() const
{
return {
{IdRole, "id"},
{NameRole, "name"},
{GradeRole, "grade"}
};
}
void SampleModel::fillSampleData(int size)
{
QString abs = "qwertyuiopasdfghjklzxcvbnm";
QRandomGenerator r;
for (auto i = 0; i < size; i++) {
Row row;
auto nameLen = r.bounded(3, 8);
QString name;
for (int c = 0; c < nameLen; ++c)
name.append(abs.at(r.bounded(0, abs.size() - 1)));
row.first = name;
row.second = r.bounded(0, 20);
_data.append(row);
}
qDebug() << _data.size() << "item(s) added as sample data";
beginInsertRows(QModelIndex(), 0, _data.size() - 1);
endInsertRows();
}
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