Fixing BR # 204 - double click on the sender column in the chatmonitor to switch...
[quassel.git] / src / client / networkmodel.cpp
index 5a75695..777e809 100644 (file)
 #include "signalproxy.h"
 #include "network.h"
 #include "ircchannel.h"
-#include "ircuser.h"
+
+#include "buffersettings.h"
 
 #include "util.h" // get rid of this (needed for isChannelName)
 
 /*****************************************
-*  Fancy Buffer Items
+*  Network Items
 *****************************************/
-BufferItem::BufferItem(BufferInfo bufferInfo, AbstractTreeItem *parent)
-  : PropertyMapItem(QStringList() << "bufferName" << "topic" << "nickCount", parent),
-    _bufferInfo(bufferInfo),
-    _activity(NoActivity)
+NetworkItem::NetworkItem(const NetworkId &netid, AbstractTreeItem *parent)
+  : PropertyMapItem(QList<QString>() << "networkName" << "currentServer" << "nickCount", parent),
+    _networkId(netid)
 {
-  // determine BufferType
-  if(bufferInfo.buffer().isEmpty())
-    _type = StatusType;
-  else if(isChannelName(bufferInfo.buffer()))
-    _type = ChannelType;
-  else
-    _type = QueryType;
+  setFlags(Qt::ItemIsEnabled);
+}
 
-  Qt::ItemFlags flags = Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled;
-  if(bufferType() == QueryType)
-    flags |= Qt::ItemIsDropEnabled;
-  setFlags(flags);
+QVariant NetworkItem::data(int column, int role) const {
+  switch(role) {
+  case NetworkModel::NetworkIdRole:
+    return qVariantFromValue(_networkId);
+  case NetworkModel::ItemTypeRole:
+    return NetworkModel::NetworkItemType;
+  case NetworkModel::ItemActiveRole:
+    return isActive();
+  default:
+    return PropertyMapItem::data(column, role);
+  }
+}
+
+BufferItem *NetworkItem::findBufferItem(BufferId bufferId) {
+  BufferItem *bufferItem = 0;
+  
+  for(int i = 0; i < childCount(); i++) {
+    bufferItem = qobject_cast<BufferItem *>(child(i));
+    if(!bufferItem)
+      continue;
+    if(bufferItem->bufferId() == bufferId)
+      return bufferItem;
+  }
+  return 0;
 }
 
 
-const BufferInfo &BufferItem::bufferInfo() const {
-  return _bufferInfo;
+BufferItem *NetworkItem::bufferItem(const BufferInfo &bufferInfo) {
+  BufferItem *bufferItem = findBufferItem(bufferInfo);
+  if(bufferItem)
+    return bufferItem;
+  
+  switch(bufferInfo.type()) {
+  case BufferInfo::StatusBuffer:
+    bufferItem = new StatusBufferItem(bufferInfo, this);
+    break;
+  case BufferInfo::ChannelBuffer:
+    bufferItem = new ChannelBufferItem(bufferInfo, this);
+    break;
+  case BufferInfo::QueryBuffer:
+    bufferItem = new QueryBufferItem(bufferInfo, this);
+    break;
+  default:
+    bufferItem = new BufferItem(bufferInfo, this);
+  }
+
+  newChild(bufferItem);
+  return bufferItem;
 }
 
-quint64 BufferItem::id() const {
-  return bufferInfo().uid();
+void NetworkItem::attachNetwork(Network *network) {
+  if(!network)
+    return;
+  
+  _network = network;
+
+  connect(network, SIGNAL(networkNameSet(QString)),
+         this, SLOT(setNetworkName(QString)));
+  connect(network, SIGNAL(currentServerSet(QString)),
+         this, SLOT(setCurrentServer(QString)));
+  connect(network, SIGNAL(ircChannelAdded(IrcChannel *)),
+         this, SLOT(attachIrcChannel(IrcChannel *)));
+  connect(network, SIGNAL(ircUserAdded(IrcUser *)),
+         this, SLOT(attachIrcUser(IrcUser *)));
+  connect(network, SIGNAL(connectedSet(bool)),
+         this, SIGNAL(dataChanged()));
+  connect(network, SIGNAL(destroyed()),
+         this, SIGNAL(dataChanged()));
+  
+  emit dataChanged();
 }
 
-bool BufferItem::isStatusBuffer() const {
-   return bufferType() == StatusType;
+void NetworkItem::attachIrcChannel(IrcChannel *ircChannel) {
+  ChannelBufferItem *channelItem;
+  for(int i = 0; i < childCount(); i++) {
+    channelItem = qobject_cast<ChannelBufferItem *>(child(i));
+    if(!channelItem)
+      continue;
+
+    if(channelItem->bufferName().toLower() == ircChannel->name().toLower()) {
+      channelItem->attachIrcChannel(ircChannel);
+      return;
+    }
+  }
 }
 
-BufferItem::Type BufferItem::bufferType() const {
-  return _type;
+void NetworkItem::attachIrcUser(IrcUser *ircUser) {
+  QueryBufferItem *queryItem = 0;
+  for(int i = 0; i < childCount(); i++) {
+    queryItem = qobject_cast<QueryBufferItem *>(child(i));
+    if(!queryItem)
+      continue;
+
+    if(queryItem->bufferName().toLower() == ircUser->nick().toLower()) {
+      queryItem->attachIrcUser(ircUser);
+      break;
+    }
+  }
 }
 
-bool BufferItem::isActive() const {
-  if(bufferType() == ChannelType)
-    return _ircChannel;
-  else
-    return qobject_cast<NetworkItem *>(parent())->isActive();
+void NetworkItem::setNetworkName(const QString &networkName) {
+  Q_UNUSED(networkName);
+  emit dataChanged(0);
+}
+
+void NetworkItem::setCurrentServer(const QString &serverName) {
+  Q_UNUSED(serverName);
+  emit dataChanged(1);
 }
 
-BufferItem::ActivityLevel BufferItem::activity() const {
-  return _activity;
+
+QString NetworkItem::toolTip(int column) const {
+  Q_UNUSED(column);
+
+  QStringList toolTip(QString("<b>%1</b>").arg(networkName()));
+  toolTip.append(QString("Server: %1").arg(currentServer()));
+  toolTip.append(QString("Users: %1").arg(nickCount()));
+
+  if(_network) {
+    toolTip.append(QString("Lag: %1 msecs").arg(_network->latency()));
+  }
+
+  return QString("<p> %1 </p>").arg(toolTip.join("<br />"));
 }
 
-void BufferItem::setActivity(const ActivityLevel &level) {
-  _activity = level;
+/*****************************************
+*  Fancy Buffer Items
+*****************************************/
+BufferItem::BufferItem(const BufferInfo &bufferInfo, AbstractTreeItem *parent)
+  : PropertyMapItem(QStringList() << "bufferName" << "topic" << "nickCount", parent),
+    _bufferInfo(bufferInfo),
+    _activity(Buffer::NoActivity)
+{
+  setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled);
 }
 
-void BufferItem::addActivity(const ActivityLevel &level) {
+void BufferItem::setActivityLevel(Buffer::ActivityLevel level) {
+  if(_activity != level) {
+    _activity = level;
+    emit dataChanged();
+  }
+}
+
+void BufferItem::updateActivityLevel(Buffer::ActivityLevel level) {
+  Buffer::ActivityLevel oldActivity = _activity;
   _activity |= level;
+  if(oldActivity != _activity)
+    emit dataChanged();
 }
 
 QVariant BufferItem::data(int column, int role) const {
@@ -94,182 +197,441 @@ QVariant BufferItem::data(int column, int role) const {
   case NetworkModel::ItemTypeRole:
     return NetworkModel::BufferItemType;
   case NetworkModel::BufferIdRole:
-    return bufferInfo().uid();
+    return qVariantFromValue(bufferInfo().bufferId());
   case NetworkModel::NetworkIdRole:
-    return bufferInfo().networkId();
+    return qVariantFromValue(bufferInfo().networkId());
+  case NetworkModel::BufferInfoRole:
+    return qVariantFromValue(bufferInfo());
   case NetworkModel::BufferTypeRole:
     return int(bufferType());
   case NetworkModel::ItemActiveRole:
     return isActive();
+  case NetworkModel::BufferActivityRole:
+    return (int)activityLevel();
   default:
     return PropertyMapItem::data(column, role);
   }
 }
 
-void BufferItem::attachIrcChannel(IrcChannel *ircChannel) {
-  if(!ircChannel)
-    return;
-  
-  _ircChannel = ircChannel;
-
-  connect(ircChannel, SIGNAL(topicSet(QString)),
-         this, SLOT(setTopic(QString)));
-  connect(ircChannel, SIGNAL(ircUserJoined(IrcUser *)),
-         this, SLOT(join(IrcUser *)));
-  connect(ircChannel, SIGNAL(ircUserParted(IrcUser *)),
-         this, SLOT(part(IrcUser *)));
-  connect(ircChannel, SIGNAL(destroyed()),
-         this, SLOT(ircChannelDestroyed()));
-  
-  emit dataChanged();
-}
-
-void BufferItem::ircChannelDestroyed() {
-  emit dataChanged();
-  for(int i = 0; i < childCount(); i++) {
-    emit childDestroyed(i);
-    removeChild(i);
+bool BufferItem::setData(int column, const QVariant &value, int role) {
+  qDebug() << "BufferItem::setData(int column, const QVariant &value, int role):" << this << column << value << role;
+  switch(role) {
+  case NetworkModel::BufferActivityRole:
+    setActivityLevel((Buffer::ActivityLevel)value.toInt());
+    return true;
+  default:
+    return PropertyMapItem::setData(column, value, role);
   }
+  return true;
 }
 
-QString BufferItem::bufferName() const {
-  if(bufferType() == StatusType)
-    return tr("Status Buffer");
-  else
-    return bufferInfo().buffer();
+void BufferItem::setBufferName(const QString &name) {
+  _bufferInfo = BufferInfo(_bufferInfo.bufferId(), _bufferInfo.networkId(), _bufferInfo.type(), _bufferInfo.groupId(), name);
+  emit dataChanged(0);
 }
 
-QString BufferItem::topic() const {
-  if(_ircChannel)
-    return _ircChannel->topic();
-  else
-    return QString();
+QString BufferItem::toolTip(int column) const {
+  Q_UNUSED(column);
+  return tr("<p> %1 - %2 </p>").arg(bufferInfo().bufferId().toInt()).arg(bufferName());
 }
 
-int BufferItem::nickCount() const {
-  if(_ircChannel)
-    return _ircChannel->ircUsers().count();
-  else
-    return 0;
+/*
+void BufferItem::setLastMsgInsert(QDateTime msgDate) {
+  if(msgDate.isValid() && msgDate > _lastMsgInsert)
+    _lastMsgInsert = msgDate;
+}
+*/
+/*
+// FIXME emit dataChanged()
+bool BufferItem::setLastSeen() {
+  if(_lastSeen > _lastMsgInsert)
+    return false;
+  
+  _lastSeen = _lastMsgInsert;
+  BufferSettings(bufferInfo().bufferId()).setLastSeen(_lastSeen);
+  return true;
 }
 
-void BufferItem::setTopic(const QString &topic) {
-  Q_UNUSED(topic);
-  emit dataChanged(1);
+QDateTime BufferItem::lastSeen() {
+  return _lastSeen;
 }
+*/
 
-void BufferItem::join(IrcUser *ircUser) {
-  emit newChild(new IrcUserItem(ircUser, this));
-  emit dataChanged(2);
+/*****************************************
+*  StatusBufferItem
+*****************************************/
+StatusBufferItem::StatusBufferItem(const BufferInfo &bufferInfo, NetworkItem *parent)
+  : BufferItem(bufferInfo, parent)
+{
+  Q_ASSERT(parent);
+  connect(parent, SIGNAL(dataChanged()), this, SIGNAL(dataChanged()));
 }
 
-void BufferItem::part(IrcUser *ircUser) {
-  Q_UNUSED(ircUser);
-  emit dataChanged(2);
+QString StatusBufferItem::toolTip(int column) const {
+  Q_UNUSED(column);
+  QStringList toolTip;
+
+  QString netName = Client::network(bufferInfo().networkId())->networkName();
+  toolTip.append(tr("<b>Status buffer of %1</b>").arg(netName));
+
+  return tr("<p> %1 </p>").arg(toolTip.join("<br />"));
 }
 
 /*****************************************
-*  Network Items
+*  QueryBufferItem
 *****************************************/
-NetworkItem::NetworkItem(const uint &netid, const QString &network, AbstractTreeItem *parent)
-  : PropertyMapItem(QList<QString>() << "networkName" << "currentServer" << "nickCount", parent),
-    _networkId(netid),
-    _networkName(network)
+QueryBufferItem::QueryBufferItem(const BufferInfo &bufferInfo, NetworkItem *parent)
+  : BufferItem(bufferInfo, parent),
+    _ircUser(0)
 {
-  setFlags(Qt::ItemIsEnabled);
+  setFlags(flags() | Qt::ItemIsDropEnabled);
+
+  const Network *net = Client::network(bufferInfo.networkId());
+  if(!net)
+    return;
+
+  IrcUser *ircUser = net->ircUser(bufferInfo.bufferName());
+  if(ircUser)
+    attachIrcUser(ircUser);
 }
 
-QVariant NetworkItem::data(int column, int role) const {
+QVariant QueryBufferItem::data(int column, int role) const {
   switch(role) {
-  case NetworkModel::NetworkIdRole:
-    return _networkId;
-  case NetworkModel::ItemTypeRole:
-    return NetworkModel::NetworkItemType;
-  case NetworkModel::ItemActiveRole:
-    return isActive();
+  case NetworkModel::UserAwayRole:
+    return (bool)_ircUser ? _ircUser->isAway() : false;
   default:
-    return PropertyMapItem::data(column, role);
+    return BufferItem::data(column, role);
   }
 }
 
-quint64 NetworkItem::id() const {
-  return _networkId;
+QString QueryBufferItem::toolTip(int column) const {
+  // pretty much code duplication of IrcUserItem::toolTip() but inheritance won't solve this... 
+  Q_UNUSED(column);
+  QStringList toolTip;
+
+  toolTip.append(tr("<b>Query with %1</b>").arg(bufferName()));
+
+  if(_ircUser) {
+    if(_ircUser->userModes() != "") toolTip[0].append(QString(" (%1)").arg(_ircUser->userModes()));
+    if(_ircUser->isAway()) {
+      toolTip[0].append(QString(" (away%1)").arg(!_ircUser->awayMessage().isEmpty() ? (QString(" ") + _ircUser->awayMessage()) : QString()));
+    }
+    if(!_ircUser->realName().isEmpty()) toolTip.append(_ircUser->realName());
+    if(!_ircUser->ircOperator().isEmpty()) toolTip.append(QString("%1 %2").arg(_ircUser->nick()).arg(_ircUser->ircOperator()));
+    if(!_ircUser->suserHost().isEmpty()) toolTip.append(_ircUser->suserHost());
+    if(!_ircUser->whoisServiceReply().isEmpty()) toolTip.append(_ircUser->whoisServiceReply());
+    
+    toolTip.append(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!")+1));
+    
+    if(_ircUser->idleTime().isValid()) {
+      QDateTime now = QDateTime::currentDateTime();
+      QDateTime idle = _ircUser->idleTime();
+      int idleTime = idle.secsTo(now);
+      toolTip.append(tr("idling since %1").arg(secondsToString(idleTime)));
+    }
+    if(_ircUser->loginTime().isValid()) {
+      toolTip.append(tr("login time: %1").arg(_ircUser->loginTime().toString()));
+    }
+    
+    if(!_ircUser->server().isEmpty()) toolTip.append(tr("server: %1").arg(_ircUser->server()));
+  }
+
+  return QString("<p> %1 </p>").arg(toolTip.join("<br />"));
 }
 
-bool NetworkItem::isActive() const {
-  return _network;
+void QueryBufferItem::attachIrcUser(IrcUser *ircUser) {
+  _ircUser = ircUser;
+  connect(_ircUser, SIGNAL(destroyed()), this, SLOT(ircUserDestroyed()));
+  connect(_ircUser, SIGNAL(awaySet(bool)), this, SIGNAL(dataChanged()));
+  emit dataChanged();
 }
 
-QString NetworkItem::networkName() const {
-  if(_network)
-    return _network->networkName();
-  else
-    return _networkName;
+void QueryBufferItem::ircUserDestroyed() {
+  _ircUser = 0;
+  emit dataChanged();
 }
 
-QString NetworkItem::currentServer() const {
-  if(_network)
-    return _network->currentServer();
-  else
-    return QString();
+/*****************************************
+*  ChannelBufferItem
+*****************************************/
+ChannelBufferItem::ChannelBufferItem(const BufferInfo &bufferInfo, AbstractTreeItem *parent)
+  : BufferItem(bufferInfo, parent),
+    _ircChannel(0)
+{
+  const Network *net = Client::network(bufferInfo.networkId());
+  if(!net)
+    return;
+
+  IrcChannel *ircChannel = net->ircChannel(bufferInfo.bufferName());
+  if(ircChannel)
+    attachIrcChannel(ircChannel);
 }
 
-int NetworkItem::nickCount() const {
-  BufferItem *bufferItem;
-  int count = 0;
+QString ChannelBufferItem::toolTip(int column) const {
+  Q_UNUSED(column);
+  QStringList toolTip;
+
+  toolTip.append(tr("<b>Channel %1</b>").arg(bufferName()));
+  if(isActive()) {
+    //TODO: add channel modes 
+    toolTip.append(tr("<b>Users:</b> %1").arg(nickCount()));
+    if(_ircChannel) {
+      QString channelMode = _ircChannel->channelModeString(); // channelModeString is compiled on the fly -> thus cache the result
+      if(!channelMode.isEmpty())
+       toolTip.append(tr("<b>Mode:</b> %1").arg(channelMode));
+    }
+    
+    BufferSettings s;
+    bool showTopic = s.value("DisplayTopicInTooltip", QVariant(false)).toBool();
+    if(showTopic) {
+      QString _topic = topic();
+      if(_topic != "") {
+       _topic.replace(QString("<"), QString("&lt;"));
+       _topic.replace(QString(">"), QString("&gt;"));
+       toolTip.append(QString("<font size='-2'>&nbsp;</font>"));
+       toolTip.append(tr("<b>Topic:</b> %1").arg(_topic));
+      }
+    }
+  } else {
+    toolTip.append(tr("Not active <br /> Double-click to join"));
+  }
+
+  return tr("<p> %1 </p>").arg(toolTip.join("<br />"));  
+}
+
+void ChannelBufferItem::attachIrcChannel(IrcChannel *ircChannel) {
+  Q_ASSERT(!_ircChannel && ircChannel);
+  
+  _ircChannel = ircChannel;
+
+  connect(ircChannel, SIGNAL(topicSet(QString)),
+         this, SLOT(setTopic(QString)));
+  connect(ircChannel, SIGNAL(ircUsersJoined(QList<IrcUser *>)),
+         this, SLOT(join(QList<IrcUser *>)));
+  connect(ircChannel, SIGNAL(ircUserParted(IrcUser *)),
+         this, SLOT(part(IrcUser *)));
+  connect(ircChannel, SIGNAL(destroyed()),
+         this, SLOT(ircChannelDestroyed()));
+  connect(ircChannel, SIGNAL(ircUserModesSet(IrcUser *, QString)),
+         this, SLOT(userModeChanged(IrcUser *)));
+  connect(ircChannel, SIGNAL(ircUserModeAdded(IrcUser *, QString)),
+         this, SLOT(userModeChanged(IrcUser *)));
+  connect(ircChannel, SIGNAL(ircUserModeRemoved(IrcUser *, QString)),
+         this, SLOT(userModeChanged(IrcUser *)));
+
+  if(!ircChannel->ircUsers().isEmpty())
+    join(ircChannel->ircUsers());
+  
+  emit dataChanged();
+}
+
+void ChannelBufferItem::ircChannelDestroyed() {
+  Q_CHECK_PTR(_ircChannel);
+  disconnect(_ircChannel, 0, this, 0);
+  _ircChannel = 0;
+  emit dataChanged();
+  removeAllChilds();
+}
+
+void ChannelBufferItem::join(const QList<IrcUser *> &ircUsers) {
+  addUsersToCategory(ircUsers);
+  emit dataChanged(2);
+}
+
+UserCategoryItem *ChannelBufferItem::findCategoryItem(int categoryId) {
+  UserCategoryItem *categoryItem = 0;
+  
   for(int i = 0; i < childCount(); i++) {
-    bufferItem = qobject_cast<BufferItem *>(child(i));
-    if(!bufferItem)
+    categoryItem = qobject_cast<UserCategoryItem *>(child(i));
+    if(!categoryItem)
       continue;
-    count += bufferItem->nickCount();
+    if(categoryItem->categoryId() == categoryId)
+      return categoryItem;
   }
-  return count;
+  return 0;
 }
 
-void NetworkItem::attachNetwork(Network *network) {
-  if(!network)
-    return;
+void ChannelBufferItem::addUserToCategory(IrcUser *ircUser) {
+  addUsersToCategory(QList<IrcUser *>() << ircUser);
+}
+
+void ChannelBufferItem::addUsersToCategory(const QList<IrcUser *> &ircUsers) {
+  Q_ASSERT(_ircChannel);
+
+  QHash<UserCategoryItem *, QList<IrcUser *> > categories;
+
+  int categoryId = -1;
+  UserCategoryItem *categoryItem = 0;
   
-  _network = network;
+  foreach(IrcUser *ircUser, ircUsers) {
+    categoryId = UserCategoryItem::categoryFromModes(_ircChannel->userModes(ircUser));
+    categoryItem = findCategoryItem(categoryId);
+    if(!categoryItem) {
+      categoryItem = new UserCategoryItem(categoryId, this);
+      categories[categoryItem] = QList<IrcUser *>();
+      newChild(categoryItem);
+    }
+    categories[categoryItem] << ircUser;
+  }
 
-  connect(network, SIGNAL(networkNameSet(QString)),
-         this, SLOT(setNetworkName(QString)));
-  connect(network, SIGNAL(currentServerSet(QString)),
-         this, SLOT(setCurrentServer(QString)));
-  connect(network, SIGNAL(ircChannelAdded(QString)),
-         this, SLOT(attachIrcChannel(QString)));
-  // FIXME: connect this and that...
+  QHash<UserCategoryItem *, QList<IrcUser *> >::const_iterator catIter = categories.constBegin();
+  while(catIter != categories.constEnd()) {
+    catIter.key()->addUsers(catIter.value());
+    catIter++;
+  }
+}
 
-  //emit dataChanged();
+void ChannelBufferItem::part(IrcUser *ircUser) {
+  if(!ircUser) {
+    qWarning() << bufferName() << "ChannelBufferItem::part(): unknown User" << ircUser;
+    return;
+  }
+
+  disconnect(ircUser, 0, this, 0);
+  removeUserFromCategory(ircUser);
+  emit dataChanged(2);
 }
 
-void NetworkItem::attachIrcChannel(const QString &channelName) {
-  IrcChannel *ircChannel = _network->ircChannel(channelName);
-  if(!ircChannel) {
-    qWarning() << "NetworkItem::attachIrcChannel(): unkown Channel" << channelName;
+void ChannelBufferItem::removeUserFromCategory(IrcUser *ircUser) {
+  if(!_ircChannel) {
+    // If we parted the channel there might still be some ircUsers connected.
+    // in that case we just ignore the call
+    Q_ASSERT(childCount() == 0);
     return;
   }
-  
-  BufferItem *bufferItem;
+
+  UserCategoryItem *categoryItem = 0;
   for(int i = 0; i < childCount(); i++) {
-    bufferItem = qobject_cast<BufferItem *>(child(i));
-    if(bufferItem->bufferName() == ircChannel->name()) {
-      bufferItem->attachIrcChannel(ircChannel);
+    categoryItem = qobject_cast<UserCategoryItem *>(child(i));
+    if(categoryItem->removeUser(ircUser)) {
+      if(categoryItem->childCount() == 0)
+       removeChild(i);
       break;
     }
   }
 }
 
-void NetworkItem::setNetworkName(const QString &networkName) {
-  Q_UNUSED(networkName);
+void ChannelBufferItem::userModeChanged(IrcUser *ircUser) {
+  Q_ASSERT(_ircChannel);
+
+  int categoryId = UserCategoryItem::categoryFromModes(_ircChannel->userModes(ircUser));
+  UserCategoryItem *categoryItem = findCategoryItem(categoryId);
+    
+  if(categoryItem) {
+    if(categoryItem->findIrcUser(ircUser)) {
+      return; // already in the right category;
+    }
+  } else {
+    categoryItem = new UserCategoryItem(categoryId, this);
+    newChild(categoryItem);
+  }
+
+  // find the item that needs reparenting
+  IrcUserItem *ircUserItem = 0;
+  for(int i = 0; i < childCount(); i++) {
+    UserCategoryItem *oldCategoryItem = qobject_cast<UserCategoryItem *>(child(i));
+    Q_ASSERT(oldCategoryItem);
+    IrcUserItem *userItem = oldCategoryItem->findIrcUser(ircUser);
+    if(userItem) {
+      ircUserItem = userItem;
+      break;
+    }
+  }
+
+  if(!ircUserItem) {
+    qWarning() << "ChannelBufferItem::userModeChanged(IrcUser *): unable to determine old category of" << ircUser;
+    return;
+  }
+  ircUserItem->reParent(categoryItem);
+}
+
+/*****************************************
+*  User Category Items (like @vh etc.)
+*****************************************/
+// we hardcode this even though we have PREFIX in network... but that wouldn't help with mapping modes to
+// category strings anyway.
+const QList<QChar> UserCategoryItem::categories = QList<QChar>() << 'q' << 'a' << 'o' << 'h' << 'v';
+
+UserCategoryItem::UserCategoryItem(int category, AbstractTreeItem *parent)
+  : PropertyMapItem(QStringList() << "categoryName", parent),
+    _category(category)
+{
+  setTreeItemFlags(AbstractTreeItem::DeleteOnLastChildRemoved);
+  setObjectName(parent->data(0, Qt::DisplayRole).toString() + "/" + QString::number(category));
+}
+
+// caching this makes no sense, since we display the user number dynamically
+QString UserCategoryItem::categoryName() const {
+  int n = childCount();
+  switch(_category) {
+    case 0: return tr("%n Owner(s)", 0, n);
+    case 1: return tr("%n Admin(s)", 0, n);
+    case 2: return tr("%n Operator(s)", 0, n);
+    case 3: return tr("%n Half-Op(s)", 0, n);
+    case 4: return tr("%n Voiced", 0, n);
+    default: return tr("%n User(s)", 0, n);
+  }
+}
+
+IrcUserItem *UserCategoryItem::findIrcUser(IrcUser *ircUser) {
+  IrcUserItem *userItem = 0;
+
+  for(int i = 0; i < childCount(); i++) {
+    userItem = qobject_cast<IrcUserItem *>(child(i));
+    if(!userItem)
+      continue;
+    if(userItem->ircUser() == ircUser)
+      return userItem;
+  }
+  return 0;
+}
+
+void UserCategoryItem::addUsers(const QList<IrcUser *> &ircUsers) {
+  QList<AbstractTreeItem *> userItems;
+  foreach(IrcUser *ircUser, ircUsers)
+    userItems << new IrcUserItem(ircUser, this);
+  newChilds(userItems);
   emit dataChanged(0);
 }
 
-void NetworkItem::setCurrentServer(const QString &serverName) {
-  Q_UNUSED(serverName);
-  emit dataChanged(1);
+bool UserCategoryItem::removeUser(IrcUser *ircUser) {
+  IrcUserItem *userItem = findIrcUser(ircUser);
+  bool success = (bool)userItem;
+  if(success) {
+    removeChild(userItem);
+    emit dataChanged(0);
+  }
+  return success;
+}
+
+int UserCategoryItem::categoryFromModes(const QString &modes) {
+  for(int i = 0; i < categories.count(); i++) {
+    if(modes.contains(categories[i]))
+      return i;
+  }
+  return categories.count();
 }
 
+QVariant UserCategoryItem::data(int column, int role) const {
+  switch(role) {
+  case TreeModel::SortRole:
+    return _category;
+  case NetworkModel::ItemActiveRole:
+    return true;
+  case NetworkModel::ItemTypeRole:
+    return NetworkModel::UserCategoryItemType;
+  case NetworkModel::BufferIdRole:
+    return parent()->data(column, role);
+  case NetworkModel::NetworkIdRole:
+    return parent()->data(column, role);
+  case NetworkModel::BufferInfoRole:
+    return parent()->data(column, role);
+  default:
+    return PropertyMapItem::data(column, role);
+  }
+}
+
+
 /*****************************************
 *  Irc User Items
 *****************************************/
@@ -277,25 +639,65 @@ IrcUserItem::IrcUserItem(IrcUser *ircUser, AbstractTreeItem *parent)
   : PropertyMapItem(QStringList() << "nickName", parent),
     _ircUser(ircUser)
 {
-  connect(ircUser, SIGNAL(destroyed()),
-         this, SLOT(ircUserDestroyed()));
-  
-  connect(ircUser, SIGNAL(nickSet(QString)),
-         this, SLOT(setNick(QString)));
+  setObjectName(ircUser->nick());  
+  connect(ircUser, SIGNAL(destroyed()), this, SLOT(ircUserDestroyed()));
+  connect(ircUser, SIGNAL(nickSet(QString)), this, SIGNAL(dataChanged()));
+  connect(ircUser, SIGNAL(awaySet(bool)), this, SIGNAL(dataChanged()));
 }
 
-QString IrcUserItem::nickName() {
-  return _ircUser->nick();
+QVariant IrcUserItem::data(int column, int role) const {
+  switch(role) {
+  case NetworkModel::ItemActiveRole:
+    return isActive();
+  case NetworkModel::ItemTypeRole:
+    return NetworkModel::IrcUserItemType;
+  case NetworkModel::BufferIdRole:
+    return parent()->data(column, role);
+  case NetworkModel::NetworkIdRole:
+    return parent()->data(column, role);
+  case NetworkModel::BufferInfoRole:
+    return parent()->data(column, role);
+  default:
+    return PropertyMapItem::data(column, role);
+  }
 }
 
-void IrcUserItem::setNick(QString newNick) {
-  Q_UNUSED(newNick);
-  emit dataChanged(0);
-}
-void IrcUserItem::ircUserDestroyed() {
-  deleteLater();
+QString IrcUserItem::toolTip(int column) const {
+  Q_UNUSED(column);
+  QStringList toolTip(QString("<b>%1</b>").arg(nickName()));
+  if(_ircUser->userModes() != "") toolTip[0].append(QString(" (%1)").arg(_ircUser->userModes()));
+  if(_ircUser->isAway()) {
+    toolTip[0].append(" is away");
+    if(!_ircUser->awayMessage().isEmpty())
+      toolTip[0].append(QString(" (%1)").arg(_ircUser->awayMessage()));
+  }
+  if(!_ircUser->realName().isEmpty()) toolTip.append(_ircUser->realName());
+  if(!_ircUser->ircOperator().isEmpty()) toolTip.append(QString("%1 %2").arg(nickName()).arg(_ircUser->ircOperator()));
+  if(!_ircUser->suserHost().isEmpty()) toolTip.append(_ircUser->suserHost());
+  if(!_ircUser->whoisServiceReply().isEmpty()) toolTip.append(_ircUser->whoisServiceReply());
+
+  toolTip.append(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!")+1));
+
+  if(_ircUser->idleTime().isValid()) {
+    QDateTime now = QDateTime::currentDateTime();
+    QDateTime idle = _ircUser->idleTime();
+    int idleTime = idle.secsTo(now);
+    toolTip.append(tr("idling since %1").arg(secondsToString(idleTime)));
+  }
+  if(_ircUser->loginTime().isValid()) {
+    toolTip.append(tr("login time: %1").arg(_ircUser->loginTime().toString()));
+  }
+
+  if(!_ircUser->server().isEmpty()) toolTip.append(tr("server: %1").arg(_ircUser->server()));
+
+  return QString("<p> %1 </p>").arg(toolTip.join("<br />"));
 }
 
+// void IrcUserItem::ircUserDestroyed() {
+//   parent()->removeChild(this);
+//   if(parent()->childCount() == 0)
+//     parent()->parent()->removeChild(parent());
+// }
 
 /*****************************************
  * NetworkModel
@@ -303,6 +705,10 @@ void IrcUserItem::ircUserDestroyed() {
 NetworkModel::NetworkModel(QObject *parent)
   : TreeModel(NetworkModel::defaultHeader(), parent)
 {
+  connect(this, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
+         this, SLOT(checkForNewBuffers(const QModelIndex &, int, int)));
+  connect(this, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int)),
+         this, SLOT(checkForRemovedBuffers(const QModelIndex &, int, int)));
 }
 
 QList<QVariant >NetworkModel::defaultHeader() {
@@ -315,62 +721,89 @@ bool NetworkModel::isBufferIndex(const QModelIndex &index) const {
   return index.data(NetworkModel::ItemTypeRole) == NetworkModel::BufferItemType;
 }
 
+/*
 Buffer *NetworkModel::getBufferByIndex(const QModelIndex &index) const {
   BufferItem *item = static_cast<BufferItem *>(index.internalPointer());
   return Client::instance()->buffer(item->id());
 }
+*/
 
+int NetworkModel::networkRow(NetworkId networkId) {
+  NetworkItem *netItem = 0;
+  for(int i = 0; i < rootItem->childCount(); i++) {
+    netItem = qobject_cast<NetworkItem *>(rootItem->child(i));
+    if(!netItem)
+      continue;
+    if(netItem->networkId() == networkId)
+      return i;
+  }
+  return -1;
+}
 
-// experimental stuff :)
-QModelIndex NetworkModel::networkIndex(uint networkId) {
-  return indexById(networkId);
+QModelIndex NetworkModel::networkIndex(NetworkId networkId) {
+  int netRow = networkRow(networkId);
+  if(netRow == -1)
+    return QModelIndex();
+  else
+    return indexByItem(qobject_cast<NetworkItem *>(rootItem->child(netRow)));
 }
 
-NetworkItem *NetworkModel::network(uint networkId) {
-  return qobject_cast<NetworkItem *>(rootItem->childById(networkId));
+NetworkItem *NetworkModel::findNetworkItem(NetworkId networkId) {
+  int netRow = networkRow(networkId);
+  if(netRow == -1)
+    return 0;
+  else
+    return qobject_cast<NetworkItem *>(rootItem->child(netRow));
 }
 
-NetworkItem *NetworkModel::newNetwork(uint networkId, const QString &networkName) {
-  NetworkItem *networkItem = network(networkId);
+NetworkItem *NetworkModel::networkItem(NetworkId networkId) {
+  NetworkItem *netItem = findNetworkItem(networkId);
 
-  if(networkItem == 0) {
-    networkItem = new NetworkItem(networkId, networkName, rootItem);
-    appendChild(rootItem, networkItem);
+  if(netItem == 0) {
+    netItem = new NetworkItem(networkId, rootItem);
+    rootItem->newChild(netItem);
   }
+  return netItem;
+}
 
-  Q_ASSERT(networkItem);
-  return networkItem;
+void NetworkModel::networkRemoved(const NetworkId &networkId) {
+  int netRow = networkRow(networkId);
+  if(netRow != -1) {
+    rootItem->removeChild(netRow);
+  }
 }
 
 QModelIndex NetworkModel::bufferIndex(BufferId bufferId) {
-  AbstractTreeItem *netItem, *bufferItem;
-  for(int i = 0; i < rootItem->childCount(); i++) {
-    netItem = rootItem->child(i);
-    if((bufferItem = netItem->childById(bufferId))) {
-      return indexById(bufferItem->id(), networkIndex(netItem->id()));
-    }
-  }
-  return QModelIndex();
+  if(!_bufferItemCache.contains(bufferId))
+    return QModelIndex();
+
+  return indexByItem(_bufferItemCache[bufferId]);
 }
 
-BufferItem *NetworkModel::buffer(BufferInfo bufferInfo) {
-  QModelIndex bufferIdx = bufferIndex(bufferInfo.uid());
-  if(bufferIdx.isValid())
-    return static_cast<BufferItem *>(bufferIdx.internalPointer());
-  else
+BufferItem *NetworkModel::findBufferItem(const BufferInfo &bufferInfo) {
+  NetworkItem *netItem = findNetworkItem(bufferInfo.networkId());
+  if(!netItem)
     return 0;
+
+  BufferItem *bufferItem = netItem->findBufferItem(bufferInfo);
+  return bufferItem;
 }
 
-BufferItem *NetworkModel::newBuffer(BufferInfo bufferInfo) {
-  BufferItem *bufferItem = buffer(bufferInfo);
-  if(bufferItem == 0) {
-    NetworkItem *networkItem = newNetwork(bufferInfo.networkId(), bufferInfo.network());
-    bufferItem = new BufferItem(bufferInfo, networkItem);
-    appendChild(networkItem, bufferItem);
+BufferItem *NetworkModel::findBufferItem(BufferId bufferId) {
+  NetworkItem *netItem;
+  BufferItem *bufferItem;
+  
+  for(int i = 0; i < rootItem->childCount(); i++) {
+    netItem = qobject_cast<NetworkItem *>(rootItem->child(i));
+    if((bufferItem = netItem->findBufferItem(bufferId)))
+      return bufferItem;
   }
+  return 0;
+}
 
-  Q_ASSERT(bufferItem);
-  return bufferItem;
+BufferItem *NetworkModel::bufferItem(const BufferInfo &bufferInfo) {
+  NetworkItem *netItem = networkItem(bufferInfo.networkId());
+  return netItem->bufferItem(bufferInfo);
 }
 
 QStringList NetworkModel::mimeTypes() const {
@@ -386,19 +819,20 @@ bool NetworkModel::mimeContainsBufferList(const QMimeData *mimeData) {
   return mimeData->hasFormat("application/Quassel/BufferItemList");
 }
 
-QList< QPair<uint, uint> > NetworkModel::mimeDataToBufferList(const QMimeData *mimeData) {
-  QList< QPair<uint, uint> > bufferList;
+QList< QPair<NetworkId, BufferId> > NetworkModel::mimeDataToBufferList(const QMimeData *mimeData) {
+  QList< QPair<NetworkId, BufferId> > bufferList;
 
   if(!mimeContainsBufferList(mimeData))
     return bufferList;
 
   QStringList rawBufferList = QString::fromAscii(mimeData->data("application/Quassel/BufferItemList")).split(",");
-  uint networkId, bufferUid;
+  NetworkId networkId;
+  BufferId bufferUid;
   foreach(QString rawBuffer, rawBufferList) {
     if(!rawBuffer.contains(":"))
       continue;
-    networkId = rawBuffer.section(":", 0, 0).toUInt();
-    bufferUid = rawBuffer.section(":", 1, 1).toUInt();
+    networkId = rawBuffer.section(":", 0, 0).toInt();
+    bufferUid = rawBuffer.section(":", 1, 1).toInt();
     bufferList.append(qMakePair(networkId, bufferUid));
   }
   return bufferList;
@@ -411,8 +845,8 @@ QMimeData *NetworkModel::mimeData(const QModelIndexList &indexes) const {
   QStringList bufferlist;
   QString netid, uid, bufferid;
   foreach(QModelIndex index, indexes) {
-    netid = QString::number(index.data(NetworkIdRole).toUInt());
-    uid = QString::number(index.data(BufferIdRole).toUInt());
+    netid = QString::number(index.data(NetworkIdRole).value<NetworkId>().toInt());
+    uid = QString::number(index.data(BufferIdRole).value<BufferId>().toInt());
     bufferid = QString("%1:%2").arg(netid).arg(uid);
     if(!bufferlist.contains(bufferid))
       bufferlist << bufferid;
@@ -432,60 +866,147 @@ bool NetworkModel::dropMimeData(const QMimeData *data, Qt::DropAction action, in
     return false;
 
   // target must be a query
-  BufferItem::Type targetType = (BufferItem::Type)parent.data(NetworkModel::BufferTypeRole).toInt();
-  if(targetType != BufferItem::QueryType)
+  BufferInfo::Type targetType = (BufferInfo::Type)parent.data(NetworkModel::BufferTypeRole).toInt();
+  if(targetType != BufferInfo::QueryBuffer)
     return false;
 
-  QList< QPair<uint, uint> > bufferList = mimeDataToBufferList(data);
+  QList< QPair<NetworkId, BufferId> > bufferList = mimeDataToBufferList(data);
 
   // exactly one buffer has to be dropped
   if(bufferList.count() != 1)
     return false;
 
-  uint netId = bufferList.first().first;
-  uint bufferId = bufferList.first().second;
+  NetworkId netId = bufferList.first().first;
+  BufferId bufferId = bufferList.first().second;
 
   // no self merges (would kill us)
-  if(bufferId == parent.data(BufferIdRole).toUInt())
+  if(bufferId == parent.data(BufferIdRole).value<BufferId>())
     return false; 
-  
-  Q_ASSERT(rootItem->childById(netId));
-  Q_ASSERT(rootItem->childById(netId)->childById(bufferId));
+
+  NetworkItem *netItem = findNetworkItem(netId);
+  Q_ASSERT(netItem);
+
+  BufferItem *bufferItem = netItem->findBufferItem(bufferId);
+  Q_ASSERT(bufferItem);
 
   // source must be a query too
-  BufferItem::Type sourceType = (BufferItem::Type)rootItem->childById(netId)->childById(bufferId)->data(0, BufferTypeRole).toInt();
-  if(sourceType != BufferItem::QueryType)
+  if(bufferItem->bufferType() != BufferInfo::QueryBuffer)
     return false;
     
   // TODO: warn user about buffermerge!
-  qDebug() << "merging" << bufferId << parent.data(BufferIdRole).toInt();
+  qDebug() << "merging" << bufferId << parent.data(BufferIdRole).value<BufferId>();
   removeRow(parent.row(), parent.parent());
   
   return true;
 }
 
 void NetworkModel::attachNetwork(Network *net) {
-  NetworkItem *networkItem = network(net->networkId());
-  if(!networkItem) {
-    qWarning() << "NetworkModel::attachNetwork(): network is unknown!";
-    return;
-  }
-  networkItem->attachNetwork(net);
+  NetworkItem *netItem = networkItem(net->networkId());
+  netItem->attachNetwork(net);
 }
 
 void NetworkModel::bufferUpdated(BufferInfo bufferInfo) {
-  BufferItem *bufferItem = newBuffer(bufferInfo);
-  QModelIndex itemindex = indexByItem(bufferItem);
+  BufferItem *bufItem = bufferItem(bufferInfo);
+  QModelIndex itemindex = indexByItem(bufItem);
   emit dataChanged(itemindex, itemindex);
 }
 
-void NetworkModel::bufferActivity(BufferItem::ActivityLevel level, BufferInfo bufferInfo) {
-//   BufferItem *bufferItem = buffer(buf->bufferInfo());
-//   if(!bufferItem) {
-//     qWarning() << "NetworkModel::bufferActivity(): received Activity Info for uknown Buffer";
-//     return;
-//   }
-//   bufferItem->setActivity(level);
-//   bufferUpdated(buf);
+void NetworkModel::removeBuffer(BufferId bufferId) {
+  BufferItem *bufferItem = findBufferItem(bufferId);
+  if(bufferItem)
+    bufferItem->parent()->removeChild(bufferItem);
+}
+
+/*
+void NetworkModel::updateBufferActivity(const Message &msg) {
+  BufferItem *buff = bufferItem(msg.bufferInfo());
+  Q_ASSERT(buff);
+
+  buff->setLastMsgInsert(msg.timestamp());
+
+  if(buff->lastSeen() >= msg.timestamp())
+    return;
+
+  BufferItem::ActivityLevel level = BufferItem::OtherActivity;
+  if(msg.type() == Message::Plain || msg.type() == Message::Notice)
+    level |= BufferItem::NewMessage;
+
+  if(msg.flags() & Message::Highlight) 
+      level |= BufferItem::Highlight;
+
+  bufferItem(msg.bufferInfo())->updateActivity(level);
+}
+*/
+
+void NetworkModel::setBufferActivity(const BufferInfo &info, Buffer::ActivityLevel level) {
+  BufferItem *buff = bufferItem(info);
+  Q_ASSERT(buff);
+
+  buff->setActivityLevel(level);
+}
+
+const Network *NetworkModel::networkByIndex(const QModelIndex &index) const {
+  QVariant netVariant = index.data(NetworkIdRole);
+  if(!netVariant.isValid())
+    return 0;
+
+  NetworkId networkId = netVariant.value<NetworkId>();
+  return Client::network(networkId);
+}
+
+
+
+void NetworkModel::checkForRemovedBuffers(const QModelIndex &parent, int start, int end) {
+  if(parent.data(ItemTypeRole) != NetworkItemType)
+    return;
+  
+  for(int row = start; row <= end; row++) {
+    _bufferItemCache.remove(parent.child(row, 0).data(BufferIdRole).value<BufferId>());
+  }
+}
+
+void NetworkModel::checkForNewBuffers(const QModelIndex &parent, int start, int end) {
+  if(parent.data(ItemTypeRole) != NetworkItemType)
+    return;
+
+  for(int row = start; row <= end; row++) {
+    QModelIndex child = parent.child(row, 0);
+    _bufferItemCache[child.data(BufferIdRole).value<BufferId>()] = static_cast<BufferItem *>(child.internalPointer());
+  }
 }
 
+QString NetworkModel::bufferName(BufferId bufferId) {
+  if(!_bufferItemCache.contains(bufferId))
+    return QString();
+
+  return _bufferItemCache[bufferId]->bufferName();
+}
+
+NetworkId NetworkModel::networkId(BufferId bufferId) {
+  if(!_bufferItemCache.contains(bufferId))
+    return NetworkId();
+
+  NetworkItem *netItem = qobject_cast<NetworkItem *>(_bufferItemCache[bufferId]->parent());
+  if(netItem)
+    return netItem->networkId();
+  else
+    return NetworkId();
+}
+
+QString NetworkModel::networkName(BufferId bufferId) {
+  if(!_bufferItemCache.contains(bufferId))
+    return QString();
+
+  NetworkItem *netItem = qobject_cast<NetworkItem *>(_bufferItemCache[bufferId]->parent());
+  if(netItem)
+    return netItem->networkName();
+  else
+    return QString();
+}
+
+BufferInfo::Type NetworkModel::bufferType(BufferId bufferId) {
+  if(!_bufferItemCache.contains(bufferId))
+    return BufferInfo::InvalidBuffer;
+
+  return _bufferItemCache[bufferId]->bufferType();
+}