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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "listmodel.h"
#include "recycledlistitem.h"
ListModel::ListModel(QObject *parent)
: QAbstractListModel(parent)
, m_items()
{
}
ListModel::~ListModel()
{
qDeleteAll(m_items);
m_items.clear();
}
int ListModel::rowCount(const QModelIndex &parent) const
{
if (parent.isValid())
return 0;
return m_items.count();
}
QVariant ListModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid())
return QVariant();
if (index.row() >= m_items.size() || index.row() < 0)
return QVariant();
switch (role)
{
case Qt::DisplayRole:
return QVariant::fromValue(m_items.at(index.row())->data(role));
default:
return QVariant();
}
}
bool ListModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
// TODO implement if we like to edit list items
Q_UNUSED(index);
Q_UNUSED(value);
Q_UNUSED(role);
return false;
}
void ListModel::clear()
{
m_items.clear();
clear();
}
QModelIndex ListModel::index(int row, int column, const QModelIndex &parent) const
{
if (hasIndex(row, column, parent))
return createIndex(row, column, m_items.at(row));
return QModelIndex();
}
void ListModel::insert(int row, RecycledListItem *item)
{
if (item)
item->setModel(this);
if (!item || m_items.contains(item) ) {
return;
}
if (row < 0)
row = 0;
else if (row > m_items.count())
row = m_items.count();
beginInsertRows(QModelIndex(), row, row);
m_items.insert(row, item);
endInsertRows();
}
void ListModel::appendRow(RecycledListItem *item)
{
if (!item) return;
item->setModel(this);
insert(rowCount(),item);
}
RecycledListItem *ListModel::item(const int row) const
{
if (row < 0 || row > m_items.count())
return 0;
return m_items.at(row);
}
RecycledListItem *ListModel::takeItem(const int row)
{
if (row < 0 || row >= m_items.count())
return 0;
beginRemoveRows(QModelIndex(), row, row);
RecycledListItem *item = m_items.takeAt(row);
endRemoveRows();
return item;
}
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