MultiMC5/api/logic/meta/Index.cpp

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/* Copyright 2015-2019 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "Index.h"
#include "VersionList.h"
#include "JsonFormat.h"
namespace Meta
{
Index::Index(QObject *parent)
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: QAbstractListModel(parent)
{
}
Index::Index(const QVector<VersionListPtr> &lists, QObject *parent)
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: QAbstractListModel(parent), m_lists(lists)
{
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for (int i = 0; i < m_lists.size(); ++i)
{
m_uids.insert(m_lists.at(i)->uid(), m_lists.at(i));
connectVersionList(i, m_lists.at(i));
}
}
QVariant Index::data(const QModelIndex &index, int role) const
{
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if (index.parent().isValid() || index.row() < 0 || index.row() >= m_lists.size())
{
return QVariant();
}
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VersionListPtr list = m_lists.at(index.row());
switch (role)
{
case Qt::DisplayRole:
switch (index.column())
{
case 0: return list->humanReadable();
default: break;
}
case UidRole: return list->uid();
case NameRole: return list->name();
case ListPtrRole: return QVariant::fromValue(list);
}
return QVariant();
}
int Index::rowCount(const QModelIndex &parent) const
{
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return m_lists.size();
}
int Index::columnCount(const QModelIndex &parent) const
{
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return 1;
}
QVariant Index::headerData(int section, Qt::Orientation orientation, int role) const
{
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if (orientation == Qt::Horizontal && role == Qt::DisplayRole && section == 0)
{
return tr("Name");
}
else
{
return QVariant();
}
}
bool Index::hasUid(const QString &uid) const
{
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return m_uids.contains(uid);
}
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VersionListPtr Index::get(const QString &uid)
{
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VersionListPtr out = m_uids.value(uid, nullptr);
if(!out)
{
out = std::make_shared<VersionList>(uid);
m_uids[uid] = out;
}
return out;
}
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VersionPtr Index::get(const QString &uid, const QString &version)
{
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auto list = get(uid);
return list->getVersion(version);
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}
void Index::parse(const QJsonObject& obj)
{
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parseIndex(obj, this);
}
void Index::merge(const std::shared_ptr<Index> &other)
{
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const QVector<VersionListPtr> lists = std::dynamic_pointer_cast<Index>(other)->m_lists;
// initial load, no need to merge
if (m_lists.isEmpty())
{
beginResetModel();
m_lists = lists;
for (int i = 0; i < lists.size(); ++i)
{
m_uids.insert(lists.at(i)->uid(), lists.at(i));
connectVersionList(i, lists.at(i));
}
endResetModel();
}
else
{
for (const VersionListPtr &list : lists)
{
if (m_uids.contains(list->uid()))
{
m_uids[list->uid()]->mergeFromIndex(list);
}
else
{
beginInsertRows(QModelIndex(), m_lists.size(), m_lists.size());
connectVersionList(m_lists.size(), list);
m_lists.append(list);
m_uids.insert(list->uid(), list);
endInsertRows();
}
}
}
}
void Index::connectVersionList(const int row, const VersionListPtr &list)
{
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connect(list.get(), &VersionList::nameChanged, this, [this, row]()
{
emit dataChanged(index(row), index(row), QVector<int>() << Qt::DisplayRole);
});
}
}