X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fclient%2Fbuffertreemodel.cpp;h=865c4a45a41906573997ef47a8fe3cbbfe0cd0a9;hp=54ef7a876cec79d383380178714ecbc5c0134e59;hb=788fd0058595c815dc42597e9956c02aea45261f;hpb=0555b01cbb4789122de7bc0a5325c664fbed87cd

diff --git a/src/client/buffertreemodel.cpp b/src/client/buffertreemodel.cpp
index 54ef7a87..865c4a45 100644
--- a/src/client/buffertreemodel.cpp
+++ b/src/client/buffertreemodel.cpp
@@ -1,11 +1,11 @@
 /***************************************************************************
- *   Copyright (C) 2005-07 by The Quassel Team                             *
+ *   Copyright (C) 2005-07 by the Quassel IRC Team                         *
  *   devel@quassel-irc.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
+ *   (at your option) version 3.                                           *
  *                                                                         *
  *   This program is distributed in the hope that it will be useful,       *
  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
@@ -20,37 +20,42 @@
 
 #include <QColor>  // FIXME Dependency on QtGui!
 
-#include "clientproxy.h"
 #include "buffertreemodel.h"
 
+#include "mappedselectionmodel.h"
+#include <QAbstractItemView>
+
+#include "bufferinfo.h"
+#include "client.h"
+#include "signalproxy.h"
+#include "networkinfo.h"
+#include "ircchannel.h"
+#include "ircuser.h"
+
 /*****************************************
 *  Fancy Buffer Items
 *****************************************/
-BufferTreeItem::BufferTreeItem(Buffer *buffer, TreeItem *parent) : TreeItem(parent) {
-  buf = buffer;
-  activity = Buffer::NoActivity;
+BufferItem::BufferItem(Buffer *buffer, AbstractTreeItem *parent)
+  : PropertyMapItem(QStringList() << "bufferName" << "topic" << "nickCount", parent),
+    buf(buffer),
+    activity(Buffer::NoActivity)
+{
+  Qt::ItemFlags flags = Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled;
+  if(buf->bufferType() == Buffer::QueryType)
+    flags |= Qt::ItemIsDropEnabled;
+  setFlags(flags);
 }
 
-uint BufferTreeItem::id() const {
-  return buf->bufferId().uid();
+quint64 BufferItem::id() const {
+  return buf->bufferInfo().uid();
 }
 
-void BufferTreeItem::setActivity(const Buffer::ActivityLevel &level) {
+void BufferItem::setActivity(const Buffer::ActivityLevel &level) {
   activity = level;
 }
 
-QString BufferTreeItem::text(int column) const {
-  switch(column) {
-    case 0:
-      return buf->displayName();
-    case 1:
-      return buf->networkName();
-    default:
-      return QString();
-  }
-}
-
-QColor BufferTreeItem::foreground(int /*column*/) const {
+QColor BufferItem::foreground(int column) const {
+  Q_UNUSED(column)
   // for the time beeing we ignore the column :)
   if(activity & Buffer::Highlight) {
     return QColor(Qt::red);
@@ -66,197 +71,436 @@ QColor BufferTreeItem::foreground(int /*column*/) const {
   }
 }
 
-
-QVariant BufferTreeItem::data(int column, int role) const {
+QVariant BufferItem::data(int column, int role) const {
   switch(role) {
-    case Qt::DisplayRole:
-      return text(column);
-    case Qt::ForegroundRole:
-      return foreground(column);
-    case BufferTreeModel::BufferNameRole:
-      return buf->bufferName();
-    case BufferTreeModel::BufferTypeRole:
-      return buf->bufferType();
-    case BufferTreeModel::BufferActiveRole:
-      return buf->isActive();
-    case BufferTreeModel::BufferIdRole:
-      return buf->bufferId().uid();
-    default:
-      return QVariant();
+  case NetworkModel::ItemTypeRole:
+    return NetworkModel::BufferItemType;
+  case NetworkModel::BufferUidRole:
+    return buf->bufferInfo().uid();
+  case NetworkModel::NetworkIdRole:
+    return buf->bufferInfo().networkId();
+  case NetworkModel::BufferTypeRole:
+    return int(buf->bufferType());
+  case NetworkModel::BufferActiveRole:
+    return buf->isActive();
+  case Qt::ForegroundRole:
+    return foreground(column);
+  default:
+    return PropertyMapItem::data(column, role);
   }
 }
 
-Qt::ItemFlags BufferTreeItem::flags() const {
-  Qt::ItemFlags flags = Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled;
-  if(buf->bufferType() == Buffer::QueryBuffer)
-    flags |= Qt::ItemIsDropEnabled;
+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 *)));
+}
 
-  return flags;
+QString BufferItem::bufferName() const {
+  return buf->name();
+}
+
+QString BufferItem::topic() const {
+  if(_ircChannel)
+    return _ircChannel->topic();
+  else
+    return QString();
+}
+
+int BufferItem::nickCount() const {
+  if(_ircChannel)
+    return _ircChannel->ircUsers().count();
+  else
+    return 0;
+}
+
+void BufferItem::setTopic(const QString &topic) {
+  Q_UNUSED(topic);
+  emit dataChanged(1);
+}
+
+void BufferItem::join(IrcUser *ircUser) {
+//   emit newChild(new IrcUserItem(ircUser, this));
+//   emit dataChanged(2);
+}
+
+void BufferItem::part(IrcUser *ircUser) {
+  Q_UNUSED(ircUser);
+  emit dataChanged(2);
 }
 
 /*****************************************
 *  Network Items
 *****************************************/
-NetworkTreeItem::NetworkTreeItem(const QString &network, TreeItem *parent) : TreeItem(parent) {
-  net = network;
-  itemData << net << "";
+NetworkItem::NetworkItem(const uint &netid, const QString &network, AbstractTreeItem *parent)
+  : PropertyMapItem(QList<QString>() << "networkName" << "currentServer" << "nickCount", parent),
+    _networkId(netid),
+    _networkName(network)
+{
+  setFlags(Qt::ItemIsEnabled);
+}
+
+QVariant NetworkItem::data(int column, int role) const {
+  switch(role) {
+  case NetworkModel::NetworkIdRole:
+    return _networkId;
+  case NetworkModel::ItemTypeRole:
+    return NetworkModel::NetworkItemType;
+  default:
+    return PropertyMapItem::data(column, role);
+  }
+}
+
+quint64 NetworkItem::id() const {
+  return _networkId;
+}
+
+QString NetworkItem::networkName() const {
+  if(_networkInfo)
+    return _networkInfo->networkName();
+  else
+    return _networkName;
+}
+
+QString NetworkItem::currentServer() const {
+  if(_networkInfo)
+    return _networkInfo->currentServer();
+  else
+    return QString();
+}
+
+int NetworkItem::nickCount() const {
+  BufferItem *bufferItem;
+  int count = 0;
+  for(int i = 0; i < childCount(); i++) {
+    bufferItem = qobject_cast<BufferItem *>(child(i));
+    if(!bufferItem)
+      continue;
+    count += bufferItem->nickCount();
+  }
+  return count;
+}
+
+void NetworkItem::attachNetworkInfo(NetworkInfo *networkInfo) {
+  if(!networkInfo)
+    return;
+  
+  _networkInfo = networkInfo;
+
+  connect(networkInfo, SIGNAL(networkNameSet(QString)),
+	  this, SLOT(setNetworkName(QString)));
+  connect(networkInfo, SIGNAL(currentServerSet(QString)),
+	  this, SLOT(setCurrentServer(QString)));
+  connect(networkInfo, SIGNAL(ircChannelAdded(QString)),
+	  this, SLOT(attachIrcChannel(QString)));
+  // FIXME: connect this and that...
+}
+
+void NetworkItem::attachIrcChannel(const QString &channelName) {
+  IrcChannel *ircChannel = _networkInfo->ircChannel(channelName);
+  if(!ircChannel) {
+    qWarning() << "NetworkItem::attachIrcChannel(): unkown Channel" << channelName;
+    return;
+  }
+  
+  BufferItem *bufferItem;
+  for(int i = 0; i < childCount(); i++) {
+    bufferItem = qobject_cast<BufferItem *>(child(i));
+    if(bufferItem->bufferName() == ircChannel->name()) {
+      bufferItem->attachIrcChannel(ircChannel);
+      break;
+    }
+  }
+}
+
+void NetworkItem::setNetworkName(const QString &networkName) {
+  Q_UNUSED(networkName);
+  emit dataChanged(0);
+}
+
+void NetworkItem::setCurrentServer(const QString &serverName) {
+  Q_UNUSED(serverName);
+  emit dataChanged(1);
+}
+
+/*****************************************
+*  Irc User Items
+*****************************************/
+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)));
 }
 
-uint NetworkTreeItem::id() const {
-  return qHash(net);
+QString IrcUserItem::nickName() {
+  return _ircUser->nick();
 }
 
-Qt::ItemFlags NetworkTreeItem::flags() const {
-  return Qt::ItemIsEnabled | Qt::ItemIsDropEnabled;
+void IrcUserItem::setNick(QString newNick) {
+  Q_UNUSED(newNick);
+  emit dataChanged(0);
 }
+void IrcUserItem::ircUserDestroyed() {
+  deleteLater();
+}
+
 
 /*****************************************
- * BufferTreeModel
+ * NetworkModel
  *****************************************/
-BufferTreeModel::BufferTreeModel(QObject *parent)
-  : TreeModel(BufferTreeModel::defaultHeader(), parent)
+NetworkModel::NetworkModel(QObject *parent)
+  : TreeModel(NetworkModel::defaultHeader(), parent),
+    _selectionModelSynchronizer(new SelectionModelSynchronizer(this)),
+    _propertyMapper(new ModelPropertyMapper(this))
 {
-  connect(this, SIGNAL(fakeUserInput(BufferId, QString)),
-          ClientProxy::instance(), SLOT(gsUserInput(BufferId, QString)));
+  // initialize the Property Mapper
+  _propertyMapper->setModel(this);
+  delete _propertyMapper->selectionModel();
+  MappedSelectionModel *mappedSelectionModel = new MappedSelectionModel(this);
+  _propertyMapper->setSelectionModel(mappedSelectionModel);
+  synchronizeSelectionModel(mappedSelectionModel);
+  
+  connect(_selectionModelSynchronizer, SIGNAL(setCurrentIndex(QModelIndex, QItemSelectionModel::SelectionFlags)),
+	  this, SLOT(setCurrentIndex(QModelIndex, QItemSelectionModel::SelectionFlags)));
 }
 
-QList<QVariant >BufferTreeModel::defaultHeader() {
+QList<QVariant >NetworkModel::defaultHeader() {
   QList<QVariant> data;
-  data << tr("Buffer") << tr("Network");
+  data << tr("Buffer") << tr("Topic") << tr("Nick Count");
   return data;
 }
 
-bool BufferTreeModel::isBufferIndex(const QModelIndex &index) const {
-  // not so purdy...
-  return parent(index) != QModelIndex();
+void NetworkModel::synchronizeSelectionModel(MappedSelectionModel *selectionModel) {
+  selectionModelSynchronizer()->addSelectionModel(selectionModel);
+}
+
+void NetworkModel::synchronizeView(QAbstractItemView *view) {
+  MappedSelectionModel *mappedSelectionModel = new MappedSelectionModel(view->model());
+  selectionModelSynchronizer()->addSelectionModel(mappedSelectionModel);
+  Q_ASSERT(mappedSelectionModel);
+  delete view->selectionModel();
+  view->setSelectionModel(mappedSelectionModel);
 }
 
-Buffer *BufferTreeModel::getBufferByIndex(const QModelIndex &index) const {
-  BufferTreeItem *item = static_cast<BufferTreeItem *>(index.internalPointer());
+void NetworkModel::mapProperty(int column, int role, QObject *target, const QByteArray &property) {
+  propertyMapper()->addMapping(column, role, target, property);
+}
+
+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());
+  // FIXME get rid of this
+  Q_ASSERT(item->buffer() == Client::instance()->buffer(item->id()));
   return item->buffer();
 }
 
-QModelIndex BufferTreeModel::getOrCreateNetworkItemIndex(Buffer *buffer) {
-  QString net = buffer->networkName();
-  TreeItem *networkItem;
 
-  if(not(networkItem = rootItem->childById(qHash(net)))) {
-    int nextRow = rootItem->childCount();
-    networkItem = new NetworkTreeItem(net, rootItem);
-    
-    beginInsertRows(QModelIndex(), nextRow, nextRow);
-    rootItem->appendChild(networkItem);
-    endInsertRows();
+// experimental stuff :)
+QModelIndex NetworkModel::networkIndex(uint networkId) {
+  return indexById(networkId);
+}
+
+NetworkItem *NetworkModel::network(uint networkId) {
+  return qobject_cast<NetworkItem *>(rootItem->childById(networkId));
+}
+
+NetworkItem *NetworkModel::newNetwork(uint networkId, const QString &networkName) {
+  NetworkItem *networkItem = network(networkId);
+
+  if(networkItem == 0) {
+    networkItem = new NetworkItem(networkId, networkName, rootItem);
+    appendChild(rootItem, networkItem);
   }
 
   Q_ASSERT(networkItem);
-  return index(networkItem->row(), 0);
+  return networkItem;
 }
 
-QModelIndex BufferTreeModel::getOrCreateBufferItemIndex(Buffer *buffer) {
-  QModelIndex networkItemIndex = getOrCreateNetworkItemIndex(buffer);
-  NetworkTreeItem *networkItem = static_cast<NetworkTreeItem*>(networkItemIndex.internalPointer());
-  TreeItem *bufferItem;
-  
-  if(not(bufferItem = networkItem->childById(buffer->bufferId().uid()))) {
-    int nextRow = networkItem->childCount();
-    bufferItem = new BufferTreeItem(buffer, networkItem);
-    
-    beginInsertRows(networkItemIndex, nextRow, nextRow);
-    networkItem->appendChild(bufferItem);
-    endInsertRows();
+QModelIndex NetworkModel::bufferIndex(BufferInfo bufferInfo) {
+  QModelIndex networkIdx = networkIndex(bufferInfo.networkId());
+  if(!networkIdx.isValid())
+    return QModelIndex();
+  else
+    return indexById(bufferInfo.uid(), networkIdx);
+}
+
+BufferItem *NetworkModel::buffer(BufferInfo bufferInfo) {
+  QModelIndex bufferIdx = bufferIndex(bufferInfo);
+  if(bufferIdx.isValid())
+    return static_cast<BufferItem *>(bufferIdx.internalPointer());
+  else
+    return 0;
+}
+
+BufferItem *NetworkModel::newBuffer(BufferInfo bufferInfo) {
+  BufferItem *bufferItem = buffer(bufferInfo);
+  if(bufferItem == 0) {
+    NetworkItem *networkItem = newNetwork(bufferInfo.networkId(), bufferInfo.network());
+
+    // FIXME: get rid of the buffer pointer
+    Buffer *buffer = Client::instance()->buffer(bufferInfo.uid());
+    bufferItem = new BufferItem(buffer, networkItem);
+    appendChild(networkItem, bufferItem);
   }
 
   Q_ASSERT(bufferItem);
-  return index(bufferItem->row(), 0, networkItemIndex);
+  return bufferItem;
 }
 
-QStringList BufferTreeModel::mimeTypes() const {
+QStringList NetworkModel::mimeTypes() const {
+  // mimetypes we accept for drops
   QStringList types;
-  types << "application/Quassel/BufferItem/row"
-    << "application/Quassel/BufferItem/network"
-    << "application/Quassel/BufferItem/bufferId";
+  // comma separated list of colon separated pairs of networkid and bufferid
+  // example: 0:1,0:2,1:4
+  types << "application/Quassel/BufferItemList";
   return types;
 }
 
-QMimeData *BufferTreeModel::mimeData(const QModelIndexList &indexes) const {
+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;
+
+  if(!mimeContainsBufferList(mimeData))
+    return bufferList;
+
+  QStringList rawBufferList = QString::fromAscii(mimeData->data("application/Quassel/BufferItemList")).split(",");
+  uint networkId, bufferUid;
+  foreach(QString rawBuffer, rawBufferList) {
+    if(!rawBuffer.contains(":"))
+      continue;
+    networkId = rawBuffer.section(":", 0, 0).toUInt();
+    bufferUid = rawBuffer.section(":", 1, 1).toUInt();
+    bufferList.append(qMakePair(networkId, bufferUid));
+  }
+  return bufferList;
+}
+
+
+QMimeData *NetworkModel::mimeData(const QModelIndexList &indexes) const {
   QMimeData *mimeData = new QMimeData();
 
-  QModelIndex index = indexes.first();
-  
-  mimeData->setData("application/Quassel/BufferItem/row", QByteArray::number(index.row()));
-  mimeData->setData("application/Quassel/BufferItem/network", getBufferByIndex(index)->networkName().toUtf8());
-  mimeData->setData("application/Quassel/BufferItem/bufferId", QByteArray::number(getBufferByIndex(index)->bufferId().uid()));
+  QStringList bufferlist;
+  QString netid, uid, bufferid;
+  foreach(QModelIndex index, indexes) {
+    netid = QString::number(index.data(NetworkIdRole).toUInt());
+    uid = QString::number(index.data(BufferUidRole).toUInt());
+    bufferid = QString("%1:%2").arg(netid).arg(uid);
+    if(!bufferlist.contains(bufferid))
+      bufferlist << bufferid;
+  }
+
+  mimeData->setData("application/Quassel/BufferItemList", bufferlist.join(",").toAscii());
+
   return mimeData;
 }
 
-bool BufferTreeModel::dropMimeData(const QMimeData *data, Qt::DropAction /*action*/, int /*row*/, int /*column*/, const QModelIndex &parent) {
-  foreach(QString mimeType, mimeTypes()) {
-    if(!(data->hasFormat(mimeType)))
-      return false; // whatever the drop is... it's not a buffer...
-  }
-  
-  int sourcerow = data->data("application/Quassel/BufferItem/row").toInt();
-  QString network = QString::fromUtf8(data->data("application/Quassel/BufferItem/network"));
-  
-  Q_ASSERT(rootItem->childById(qHash(network)));
+bool NetworkModel::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) {
+  Q_UNUSED(action)
+  Q_UNUSED(row)
+  Q_UNUSED(column)
 
-  if(parent == QModelIndex()) // can't be a query...
+  if(!mimeContainsBufferList(data))
     return false;
-  
-  Buffer *sourceBuffer = static_cast<BufferTreeItem *>(rootItem->childById(qHash(network))->child(sourcerow))->buffer();
-  Buffer *targetBuffer = getBufferByIndex(parent);
 
-  if(!(sourceBuffer->bufferType() & targetBuffer->bufferType() & Buffer::QueryBuffer)) // only queries can be merged
+  // target must be a query
+  Buffer::Type targetType = (Buffer::Type)parent.data(NetworkModel::BufferTypeRole).toInt();
+  if(targetType != Buffer::QueryType)
+    return false;
+
+  QList< QPair<uint, uint> > 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;
+
+  // no self merges (would kill us)
+  if(bufferId == parent.data(BufferUidRole).toUInt())
+    return false; 
   
-  if(sourceBuffer == targetBuffer) // we won't merge with ourself :)
+  Q_ASSERT(rootItem->childById(netId));
+  Q_ASSERT(rootItem->childById(netId)->childById(bufferId));
+
+  // source must be a query too
+  Buffer::Type sourceType = (Buffer::Type)rootItem->childById(netId)->childById(bufferId)->data(0, BufferTypeRole).toInt();
+  if(sourceType != Buffer::QueryType)
     return false;
     
   // TODO: warn user about buffermerge!
-  qDebug() << "merging" << sourceBuffer->bufferName() << "with" << targetBuffer->bufferName();
-  removeRow(parent.row(), BufferTreeModel::parent(parent));
+  qDebug() << "merging" << bufferId << parent.data(BufferUidRole).toInt();
+  removeRow(parent.row(), parent.parent());
   
   return true;
 }
 
-void BufferTreeModel::bufferUpdated(Buffer *buffer) {
-  QModelIndex itemindex = getOrCreateBufferItemIndex(buffer);
-  emit invalidateFilter();
+void NetworkModel::attachNetworkInfo(NetworkInfo *networkInfo) {
+  NetworkItem *networkItem = network(networkInfo->networkId());
+  if(!networkItem) {
+    qWarning() << "NetworkModel::attachNetworkInfo(): network is unknown!";
+    return;
+  }
+  networkItem->attachNetworkInfo(networkInfo);
+}
+
+void NetworkModel::bufferUpdated(Buffer *buffer) {
+  BufferItem *bufferItem = newBuffer(buffer->bufferInfo());
+  QModelIndex itemindex = indexByItem(bufferItem);
   emit dataChanged(itemindex, itemindex);
 }
 
 // This Slot indicates that the user has selected a different buffer in the gui
-void BufferTreeModel::changeCurrent(const QModelIndex &current, const QModelIndex &/*previous*/) {
-  if(isBufferIndex(current)) {
-    currentBuffer = getBufferByIndex(current);
+void NetworkModel::setCurrentIndex(const QModelIndex &index, QItemSelectionModel::SelectionFlags command) {
+  Q_UNUSED(command)
+  Buffer *newCurrentBuffer;
+  if(isBufferIndex(index) && currentBuffer != (newCurrentBuffer = getBufferByIndex(index))) {
+    currentBuffer = newCurrentBuffer;
     bufferActivity(Buffer::NoActivity, currentBuffer);
     emit bufferSelected(currentBuffer);
-    emit selectionChanged(current);
+    emit selectionChanged(index);
   }
 }
 
-// we received a double click on a buffer, so we're going to join it
-void BufferTreeModel::doubleClickReceived(const QModelIndex &clicked) {
-  if(isBufferIndex(clicked)) {
-    Buffer *buffer = getBufferByIndex(clicked);
-    if(!buffer->isStatusBuffer()) 
-      emit fakeUserInput(buffer->bufferId(), QString("/join " + buffer->bufferName()));
+void NetworkModel::bufferActivity(Buffer::ActivityLevel level, Buffer *buf) {
+  BufferItem *bufferItem = buffer(buf->bufferInfo());
+  if(!bufferItem) {
+    qWarning() << "NetworkModel::bufferActivity(): received Activity Info for uknown Buffer";
+    return;
   }
-}
-
-void BufferTreeModel::bufferActivity(Buffer::ActivityLevel level, Buffer *buffer) {
-  BufferTreeItem *bufferItem = static_cast<BufferTreeItem*>(getOrCreateBufferItemIndex(buffer).internalPointer());
-  if(buffer != currentBuffer)
+  
+  if(buf != currentBuffer)
     bufferItem->setActivity(level);
   else
     bufferItem->setActivity(Buffer::NoActivity);
-  bufferUpdated(buffer);
+  bufferUpdated(buf);
 }
 
-void BufferTreeModel::selectBuffer(Buffer *buffer) {
-  QModelIndex index = getOrCreateBufferItemIndex(buffer);
-  emit selectionChanged(index);
+void NetworkModel::selectBuffer(Buffer *buffer) {
+  QModelIndex index = bufferIndex(buffer->bufferInfo());
+  if(!index.isValid()) {
+    qWarning() << "NetworkModel::selectBuffer(): unknown Buffer has been selected.";
+    return;
+  }
+  // SUPER UGLY!
+  setCurrentIndex(index, 0);
 }
-
-