PrismLauncher/api/logic/meta/Index.cpp
Petr Mrázek 2660418d58 NOISSUE hack it together enough to get launching back
Meta index will now always return valid objects.
They just might never load if they don't exist on the server.
2017-04-07 00:20:02 +02:00

149 lines
3.3 KiB
C++

/* Copyright 2015-2017 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)
: QAbstractListModel(parent)
{
}
Index::Index(const QVector<VersionListPtr> &lists, QObject *parent)
: QAbstractListModel(parent), m_lists(lists)
{
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
{
if (index.parent().isValid() || index.row() < 0 || index.row() >= m_lists.size())
{
return QVariant();
}
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
{
return m_lists.size();
}
int Index::columnCount(const QModelIndex &parent) const
{
return 1;
}
QVariant Index::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Horizontal && role == Qt::DisplayRole && section == 0)
{
return tr("Name");
}
else
{
return QVariant();
}
}
bool Index::hasUid(const QString &uid) const
{
return m_uids.contains(uid);
}
VersionListPtr Index::get(const QString &uid)
{
VersionListPtr out = m_uids.value(uid, nullptr);
if(!out)
{
out = std::make_shared<VersionList>(uid);
m_uids[uid] = out;
}
return out;
}
VersionPtr Index::get(const QString &uid, const QString &version)
{
auto list = get(uid);
return list->getVersion(version);
}
void Index::parse(const QJsonObject& obj)
{
parseIndex(obj, this);
}
void Index::merge(const Ptr &other)
{
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()]->merge(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)
{
connect(list.get(), &VersionList::nameChanged, this, [this, row]()
{
emit dataChanged(index(row), index(row), QVector<int>() << Qt::DisplayRole);
});
}
}