qmlfrontend/players_model.cpp
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#include <QDebug>
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#include <QFile>
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#include <QModelIndex>
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#include <QModelIndexList>
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#include <QPainter>
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#include <QTextStream>
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#include "players_model.h"
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PlayersListModel::PlayersListModel(QObject *parent)
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    : QAbstractListModel(parent) {
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  m_fontInRoom = QFont();
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  m_fontInRoom.setItalic(true);
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}
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int PlayersListModel::rowCount(const QModelIndex &parent) const {
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  if (parent.isValid())
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    return 0;
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  else
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    return m_data.size();
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}
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QVariant PlayersListModel::data(const QModelIndex &index, int role) const {
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  if (!index.isValid() || index.row() < 0 || index.row() >= rowCount() ||
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      index.column() != 0)
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    return QVariant(QVariant::Invalid);
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  return m_data.at(index.row()).value(role);
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}
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bool PlayersListModel::setData(const QModelIndex &index, const QVariant &value,
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                               int role) {
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  if (!index.isValid() || index.row() < 0 || index.row() >= rowCount() ||
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      index.column() != 0)
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    return false;
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  m_data[index.row()].insert(role, value);
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  emit dataChanged(index, index);
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  return true;
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}
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bool PlayersListModel::insertRows(int row, int count,
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                                  const QModelIndex &parent) {
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  if (parent.isValid() || row > rowCount() || row < 0 || count < 1)
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    return false;
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  beginInsertRows(parent, row, row + count - 1);
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  for (int i = 0; i < count; ++i) m_data.insert(row, DataEntry());
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  endInsertRows();
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  return true;
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}
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bool PlayersListModel::removeRows(int row, int count,
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                                  const QModelIndex &parent) {
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  if (parent.isValid() || row + count > rowCount() || row < 0 || count < 1)
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    return false;
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  beginRemoveRows(parent, row, row + count - 1);
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  for (int i = 0; i < count; ++i) m_data.removeAt(row);
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  endRemoveRows();
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  return true;
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}
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QModelIndex PlayersListModel::nicknameIndex(const QString &nickname) {
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  QModelIndexList mil =
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      match(index(0), Qt::DisplayRole, nickname, 1, Qt::MatchExactly);
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  if (mil.size() > 0)
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    return mil[0];
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  else
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    return QModelIndex();
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}
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void PlayersListModel::addPlayer(const QString &nickname, bool notify) {
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  insertRow(rowCount());
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  QModelIndex mi = index(rowCount() - 1);
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  setData(mi, nickname);
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  checkFriendIgnore(mi);
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  emit nickAddedLobby(nickname, notify);
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}
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void PlayersListModel::removePlayer(const QString &nickname,
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                                    const QString &msg) {
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  if (msg.isEmpty())
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    emit nickRemovedLobby(nickname, QString());
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  else
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    emit nickRemovedLobby(nickname, msg);
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  QModelIndex mi = nicknameIndex(nickname);
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  if (mi.isValid()) removeRow(mi.row());
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}
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void PlayersListModel::playerJoinedRoom(const QString &nickname, bool notify) {
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  QModelIndex mi = nicknameIndex(nickname);
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  if (mi.isValid()) {
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    setData(mi, true, RoomFilterRole);
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    updateIcon(mi);
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    updateSortData(mi);
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  }
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  emit nickAdded(nickname, notify);
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}
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void PlayersListModel::playerLeftRoom(const QString &nickname) {
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  emit nickRemoved(nickname);
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  QModelIndex mi = nicknameIndex(nickname);
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  if (mi.isValid()) {
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    setData(mi, false, RoomFilterRole);
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    setData(mi, false, RoomAdmin);
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    setData(mi, false, Ready);
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    setData(mi, false, InGame);
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    updateIcon(mi);
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  }
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}
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void PlayersListModel::setFlag(const QString &nickname, StateFlag flagType,
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                               bool isSet) {
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  if (flagType == Friend) {
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    if (isSet)
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      m_friendsSet.insert(nickname.toLower());
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    else
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      m_friendsSet.remove(nickname.toLower());
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    // FIXME: set proper file name
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    // saveSet(m_friendsSet, "friends");
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  } else if (flagType == Ignore) {
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    if (isSet)
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      m_ignoredSet.insert(nickname.toLower());
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    else
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      m_ignoredSet.remove(nickname.toLower());
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    // FIXME: set proper file name
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    // saveSet(m_ignoredSet, "ignore");
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  }
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  QModelIndex mi = nicknameIndex(nickname);
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  if (mi.isValid()) {
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    setData(mi, isSet, flagType);
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    if (flagType == Friend || flagType == ServerAdmin || flagType == Ignore ||
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        flagType == RoomAdmin)
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      updateSortData(mi);
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    updateIcon(mi);
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  }
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}
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bool PlayersListModel::isFlagSet(const QString &nickname, StateFlag flagType) {
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  QModelIndex mi = nicknameIndex(nickname);
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  if (mi.isValid())
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    return mi.data(flagType).toBool();
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  else if (flagType == Friend)
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    return isFriend(nickname);
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  else if (flagType == Ignore)
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    return isIgnored(nickname);
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  else
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    return false;
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}
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void PlayersListModel::resetRoomFlags() {
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  for (int i = rowCount() - 1; i >= 0; --i) {
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    QModelIndex mi = index(i);
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    if (mi.data(RoomFilterRole).toBool()) {
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      setData(mi, false, RoomFilterRole);
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      setData(mi, false, RoomAdmin);
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      setData(mi, false, Ready);
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      setData(mi, false, InGame);
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      updateSortData(mi);
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      updateIcon(mi);
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    }
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  }
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}
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void PlayersListModel::updateIcon(const QModelIndex &index) {
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  quint32 iconNum = 0;
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  QList<bool> flags;
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  flags << index.data(Ready).toBool() << index.data(ServerAdmin).toBool()
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        << index.data(RoomAdmin).toBool() << index.data(Registered).toBool()
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        << index.data(Friend).toBool() << index.data(Ignore).toBool()
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        << index.data(InGame).toBool() << index.data(RoomFilterRole).toBool()
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        << index.data(InRoom).toBool() << index.data(Contributor).toBool();
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  for (int i = flags.size() - 1; i >= 0; --i)
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    if (flags[i]) iconNum |= 1 << i;
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  if (m_icons().contains(iconNum)) {
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    setData(index, m_icons().value(iconNum), Qt::DecorationRole);
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  } else {
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    QPixmap result(24, 16);
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    result.fill(Qt::transparent);
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    QPainter painter(&result);
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    if (index.data(RoomFilterRole).toBool()) {
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      if (index.data(InGame).toBool()) {
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        painter.drawPixmap(0, 0, 16, 16, QPixmap(":/res/chat/ingame.png"));
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      } else {
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        if (index.data(Ready).toBool())
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          painter.drawPixmap(0, 0, 16, 16, QPixmap(":/res/chat/lamp.png"));
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        else
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          painter.drawPixmap(0, 0, 16, 16, QPixmap(":/res/chat/lamp_off.png"));
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      }
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    } else {  // we're in lobby
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      if (!index.data(InRoom).toBool())
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        painter.drawPixmap(0, 0, 16, 16, QPixmap(":/res/Flake.png"));
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    }
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    QString mainIconName(":/res/chat/");
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    if (index.data(ServerAdmin).toBool())
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      mainIconName += "serveradmin";
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    else {
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      if (index.data(RoomAdmin).toBool())
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        mainIconName += "roomadmin";
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      else
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        mainIconName += "hedgehog";
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      if (index.data(Contributor).toBool()) mainIconName += "contributor";
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    }
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    if (!index.data(Registered).toBool()) mainIconName += "_gray";
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    painter.drawPixmap(8, 0, 16, 16, QPixmap(mainIconName + ".png"));
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    if (index.data(Ignore).toBool())
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      painter.drawPixmap(8, 0, 16, 16, QPixmap(":/res/chat/ignore.png"));
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    else if (index.data(Friend).toBool())
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      painter.drawPixmap(8, 0, 16, 16, QPixmap(":/res/chat/friend.png"));
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    painter.end();
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    QIcon icon(result);
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    setData(index, icon, Qt::DecorationRole);
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    m_icons().insert(iconNum, icon);
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  }
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  if (index.data(Ignore).toBool())
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    setData(index, QColor(Qt::gray), Qt::ForegroundRole);
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  else if (index.data(Friend).toBool())
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    setData(index, QColor(Qt::green), Qt::ForegroundRole);
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  else
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    setData(index, QBrush(QColor(0xff, 0xcc, 0x00)), Qt::ForegroundRole);
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}
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QHash<quint32, QIcon> &PlayersListModel::m_icons() {
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  static QHash<quint32, QIcon> iconsCache;
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  return iconsCache;
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}
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void PlayersListModel::updateSortData(const QModelIndex &index) {
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  QString result =
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      QString("%1%2%3%4%5%6")
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          // room admins go first, then server admins, then friends
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          .arg(1 - index.data(RoomAdmin).toInt())
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          .arg(1 - index.data(ServerAdmin).toInt())
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          .arg(1 - index.data(Friend).toInt())
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          // ignored at bottom
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          .arg(index.data(Ignore).toInt())
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          // keep nicknames starting from non-letter character at bottom within
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          // group assume there are no empty nicks in list
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          .arg(index.data(Qt::DisplayRole).toString().at(0).isLetter() ? 0 : 1)
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          // sort ignoring case
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          .arg(index.data(Qt::DisplayRole).toString().toLower());
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  setData(index, result, SortRole);
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}
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void PlayersListModel::setNickname(const QString &nickname) {
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  m_nickname = nickname;
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  // FIXME: set proper file names
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  // loadSet(m_friendsSet, "friends");
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  // loadSet(m_ignoredSet, "ignore");
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  for (int i = rowCount() - 1; i >= 0; --i) checkFriendIgnore(index(i));
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}
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bool PlayersListModel::isFriend(const QString &nickname) {
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  return m_friendsSet.contains(nickname.toLower());
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}
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bool PlayersListModel::isIgnored(const QString &nickname) {
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  return m_ignoredSet.contains(nickname.toLower());
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}
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void PlayersListModel::checkFriendIgnore(const QModelIndex &mi) {
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  setData(mi, isFriend(mi.data().toString()), Friend);
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  setData(mi, isIgnored(mi.data().toString()), Ignore);
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  updateIcon(mi);
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  updateSortData(mi);
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}
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void PlayersListModel::loadSet(QSet<QString> &set, const QString &fileName) {
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  set.clear();
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  QFile txt(fileName);
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  if (!txt.open(QIODevice::ReadOnly)) return;
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  QTextStream stream(&txt);
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  stream.setCodec("UTF-8");
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  while (!stream.atEnd()) {
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    QString str = stream.readLine();
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    if (str.startsWith(";") || str.isEmpty()) continue;
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    set.insert(str.trimmed());
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  }
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  txt.close();
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}
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void PlayersListModel::saveSet(const QSet<QString> &set,
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                               const QString &fileName) {
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  qDebug("saving set");
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  QFile txt(fileName);
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  // list empty? => rather have no file for the list than an empty one
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  if (set.isEmpty()) {
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    if (txt.exists()) {
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      // try to remove file, if successful we're done here.
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      if (txt.remove()) return;
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    } else
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      // there is no file
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      return;
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  }
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  if (!txt.open(QIODevice::WriteOnly | QIODevice::Truncate)) return;
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  QTextStream stream(&txt);
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  stream.setCodec("UTF-8");
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  stream << "; this list is used by Hedgewars - do not edit it unless you know "
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            "what you're doing!"
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         << endl;
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  foreach (const QString &nick, set.values())
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    stream << nick << endl;
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  txt.close();
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}