Tree Model 2 Electric Boogaloo

This draws heavily on what @carlschwan did in network/neochat!1579 but I found it easier to start again and grab the bits as I needed them plus some other copying from what I did in the Space tree model.

From my current limited testing this seems to work nicely try and break it.
This commit is contained in:
James Graham
2024-04-02 14:44:20 +00:00
parent 6373186c15
commit 6cfab9e3ea
7 changed files with 308 additions and 60 deletions

View File

@@ -15,21 +15,47 @@ using namespace Quotient;
RoomTreeModel::RoomTreeModel(QObject *parent)
: QAbstractItemModel(parent)
, m_rootItem(new RoomTreeItem(nullptr))
{
initializeCategories();
}
void RoomTreeModel::initializeCategories()
RoomTreeItem *RoomTreeModel::getItem(const QModelIndex &index) const
{
for (const auto &key : m_rooms.keys()) {
for (const auto &room : m_rooms[key]) {
room->disconnect(this);
if (index.isValid()) {
RoomTreeItem *item = static_cast<RoomTreeItem *>(index.internalPointer());
if (item) {
return item;
}
}
m_rooms.clear();
for (int i = 0; i < 8; i++) {
m_rooms[NeoChatRoomType::Types(i)] = {};
return m_rootItem.get();
}
void RoomTreeModel::resetModel()
{
if (m_connection == nullptr) {
beginResetModel();
m_rootItem.reset();
endResetModel();
return;
}
beginResetModel();
m_rootItem.reset(new RoomTreeItem(nullptr));
for (int i = 0; i < NeoChatRoomType::TypesCount; i++) {
m_rootItem->insertChild(std::make_unique<RoomTreeItem>(NeoChatRoomType::Types(i), m_rootItem.get()));
}
for (const auto &r : m_connection->allRooms()) {
const auto room = dynamic_cast<NeoChatRoom *>(r);
const auto type = NeoChatRoomType::typeForRoom(room);
const auto categoryItem = m_rootItem->child(type);
if (categoryItem->insertChild(std::make_unique<RoomTreeItem>(room, categoryItem))) {
connectRoomSignals(room);
}
}
endResetModel();
}
void RoomTreeModel::setConnection(NeoChatConnection *connection)
@@ -41,16 +67,13 @@ void RoomTreeModel::setConnection(NeoChatConnection *connection)
disconnect(m_connection.get(), nullptr, this, nullptr);
}
m_connection = connection;
beginResetModel();
initializeCategories();
endResetModel();
resetModel();
connect(connection, &Connection::newRoom, this, &RoomTreeModel::newRoom);
connect(connection, &Connection::leftRoom, this, &RoomTreeModel::leftRoom);
connect(connection, &Connection::aboutToDeleteRoom, this, &RoomTreeModel::leftRoom);
for (const auto &room : m_connection->allRooms()) {
newRoom(dynamic_cast<NeoChatRoom *>(room));
}
Q_EMIT connectionChanged();
}
@@ -68,23 +91,28 @@ void RoomTreeModel::newRoom(Room *r)
return;
}
beginInsertRows(index(type, 0), m_rooms[type].size(), m_rooms[type].size());
m_rooms[type].append(room);
const auto parentItem = m_rootItem->child(type);
beginInsertRows(index(parentItem->row(), 0), parentItem->childCount(), parentItem->childCount());
parentItem->insertChild(std::make_unique<RoomTreeItem>(room, parentItem));
connectRoomSignals(room);
endInsertRows();
qWarning() << "adding room" << type << "new count" << parentItem->childCount();
}
void RoomTreeModel::leftRoom(Room *r)
{
const auto room = dynamic_cast<NeoChatRoom *>(r);
const auto type = NeoChatRoomType::typeForRoom(room);
auto row = m_rooms[type].indexOf(room);
if (row == -1) {
auto index = indexForRoom(room);
if (!index.isValid()) {
return;
}
beginRemoveRows(index(type, 0), row, row);
m_rooms[type][row]->disconnect(this);
m_rooms[type].removeAt(row);
const auto parentItem = getItem(index.parent());
Q_ASSERT(parentItem);
beginRemoveRows(index.parent(), index.row(), index.row());
parentItem->removeChild(index.row());
room->disconnect(this);
endRemoveRows();
}
@@ -94,30 +122,41 @@ void RoomTreeModel::moveRoom(Quotient::Room *room)
// NeoChatRoomType::typeForRoom doesn't match it's current location. So find the room.
NeoChatRoomType::Types oldType;
int oldRow = -1;
for (const auto &key : m_rooms.keys()) {
if (m_rooms[key].contains(room)) {
oldType = key;
oldRow = m_rooms[key].indexOf(room);
for (int i = 0; i < NeoChatRoomType::TypesCount; i++) {
const auto categoryItem = m_rootItem->child(i);
const auto row = categoryItem->rowForRoom(room);
if (row) {
oldType = static_cast<NeoChatRoomType::Types>(i);
oldRow = *row;
}
}
if (oldRow == -1) {
return;
}
const auto newType = NeoChatRoomType::typeForRoom(dynamic_cast<NeoChatRoom *>(room));
auto neochatRoom = dynamic_cast<NeoChatRoom *>(room);
const auto newType = NeoChatRoomType::typeForRoom(neochatRoom);
if (newType == oldType) {
return;
}
const auto oldParent = index(oldType, 0, {});
auto oldParentItem = getItem(oldParent);
Q_ASSERT(oldParentItem);
const auto newParent = index(newType, 0, {});
auto newParentItem = getItem(newParent);
Q_ASSERT(newParentItem);
// HACK: We're doing this as a remove then insert because moving doesn't work
// properly with DelegateChooser for whatever reason.
Q_ASSERT(checkIndex(index(oldRow, 0, oldParent), QAbstractItemModel::CheckIndexOption::IndexIsValid));
beginRemoveRows(oldParent, oldRow, oldRow);
m_rooms[oldType].removeAt(oldRow);
const bool success = oldParentItem->removeChild(oldRow);
Q_ASSERT(success);
endRemoveRows();
beginInsertRows(newParent, m_rooms[newType].size(), m_rooms[newType].size());
m_rooms[newType].append(dynamic_cast<NeoChatRoom *>(room));
beginInsertRows(newParent, newParentItem->childCount(), newParentItem->childCount());
newParentItem->insertChild(std::make_unique<RoomTreeItem>(neochatRoom, newParentItem));
endInsertRows();
}
@@ -151,15 +190,12 @@ void RoomTreeModel::connectRoomSignals(NeoChatRoom *room)
void RoomTreeModel::refreshRoomRoles(NeoChatRoom *room, const QList<int> &roles)
{
const auto roomType = NeoChatRoomType::typeForRoom(room);
const auto it = std::find(m_rooms[roomType].begin(), m_rooms[roomType].end(), room);
if (it == m_rooms[roomType].end()) {
const auto index = indexForRoom(room);
if (!index.isValid()) {
qCritical() << "Room" << room->id() << "not found in the room list";
return;
}
const auto parentIndex = index(roomType, 0, {});
const auto idx = index(it - m_rooms[roomType].begin(), 0, parentIndex);
Q_EMIT dataChanged(idx, idx, roles);
Q_EMIT dataChanged(index, index, roles);
}
NeoChatConnection *RoomTreeModel::connection() const
@@ -175,32 +211,55 @@ int RoomTreeModel::columnCount(const QModelIndex &parent) const
int RoomTreeModel::rowCount(const QModelIndex &parent) const
{
RoomTreeItem *parentItem;
if (parent.column() > 0) {
return 0;
}
if (!parent.isValid()) {
return m_rooms.keys().size();
parentItem = m_rootItem.get();
} else {
parentItem = static_cast<RoomTreeItem *>(parent.internalPointer());
}
if (!parent.parent().isValid()) {
return m_rooms.values()[parent.row()].size();
}
return 0;
return parentItem->childCount();
}
QModelIndex RoomTreeModel::parent(const QModelIndex &index) const
{
if (!index.internalPointer()) {
return {};
if (!index.isValid()) {
return QModelIndex();
}
return this->index(NeoChatRoomType::typeForRoom(static_cast<NeoChatRoom *>(index.internalPointer())), 0, QModelIndex());
RoomTreeItem *childItem = static_cast<RoomTreeItem *>(index.internalPointer());
if (!childItem) {
return QModelIndex();
}
RoomTreeItem *parentItem = childItem->parentItem();
if (parentItem == m_rootItem.get()) {
return QModelIndex();
}
return createIndex(parentItem->row(), 0, parentItem);
}
QModelIndex RoomTreeModel::index(int row, int column, const QModelIndex &parent) const
{
if (!parent.isValid()) {
return createIndex(row, column, nullptr);
if (!hasIndex(row, column, parent)) {
return QModelIndex();
}
if (row >= rowCount(parent)) {
return {};
RoomTreeItem *parentItem = getItem(parent);
if (!parentItem) {
return QModelIndex();
}
return createIndex(row, column, m_rooms[NeoChatRoomType::Types(parent.row())][row]);
RoomTreeItem *childItem = parentItem->child(row);
if (childItem) {
return createIndex(row, column, childItem);
}
return QModelIndex();
}
QHash<int, QByteArray> RoomTreeModel::roleNames() const
@@ -235,7 +294,8 @@ QVariant RoomTreeModel::data(const QModelIndex &index, int role) const
return QVariant();
}
if (!index.parent().isValid()) {
RoomTreeItem *child = getItem(index);
if (std::holds_alternative<NeoChatRoomType::Types>(child->data())) {
if (role == DisplayNameRole) {
return NeoChatRoomType::typeName(index.row());
}
@@ -256,7 +316,8 @@ QVariant RoomTreeModel::data(const QModelIndex &index, int role) const
}
return {};
}
const auto room = m_rooms.values()[index.parent().row()][index.row()].get();
const auto room = std::get<NeoChatRoom *>(child->data());
Q_ASSERT(room);
if (role == DisplayNameRole) {
@@ -338,16 +399,20 @@ QModelIndex RoomTreeModel::indexForRoom(NeoChatRoom *room) const
// Try and find by checking type.
const auto type = NeoChatRoomType::typeForRoom(room);
auto row = m_rooms[type].indexOf(room);
if (row >= 0) {
return index(row, 0, index(type, 0));
const auto parentItem = m_rootItem->child(type);
const auto row = parentItem->rowForRoom(room);
if (row) {
return index(*row, 0, index(type, 0));
}
// Double check that the room isn't in the wrong category.
for (const auto &key : m_rooms.keys()) {
if (m_rooms[key].contains(room)) {
return index(m_rooms[key].indexOf(room), 0, index(key, 0));
for (int i = 0; i < NeoChatRoomType::TypesCount; i++) {
const auto parentItem = m_rootItem->child(i);
const auto row = parentItem->rowForRoom(room);
if (row) {
return index(*row, 0, index(i, 0));
}
}
return {};
}