NOISSUE Flatten gui and logic libraries into MultiMC

launcher/meta/Index.cpp

@@ -0,0 +1,148 @@
+/* Copyright 2015-2021 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 std::shared_ptr<Index> &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()]->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)
+{
+    connect(list.get(), &VersionList::nameChanged, this, [this, row]()
+    {
+        emit dataChanged(index(row), index(row), QVector<int>() << Qt::DisplayRole);
+    });
+}
+}