src/client/networkmodel.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2016 by the Quassel Project                        *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "networkmodel.h"
  22
  23 #include <QAbstractItemView>
  24 #include <QMimeData>
  25 #if QT_VERSION < 0x050000
  26 #include <QTextDocument>        // for Qt::escape()
  27 #endif
  28
  29 #include "buffermodel.h"
  30 #include "buffersettings.h"
  31 #include "client.h"
  32 #include "clientignorelistmanager.h"
  33 #include "clientsettings.h"
  34 #include "ircchannel.h"
  35 #include "network.h"
  36 #include "signalproxy.h"
  37
  38 /*****************************************
  39 *  Network Items
  40 *****************************************/
  41 NetworkItem::NetworkItem(const NetworkId &netid, AbstractTreeItem *parent)
  42     : PropertyMapItem(QList<QString>() << "networkName" << "currentServer" << "nickCount", parent),
  43     _networkId(netid),
  44     _statusBufferItem(0)
  45 {
  46     // DO NOT EMIT dataChanged() DIRECTLY IN NetworkItem
  47     // use networkDataChanged() instead. Otherwise you will end up in a infinite loop
  48     // as we "sync" the dataChanged() signals of NetworkItem and StatusBufferItem
  49     setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable);
  50     connect(this, SIGNAL(networkDataChanged(int)), this, SIGNAL(dataChanged(int)));
  51     connect(this, SIGNAL(beginRemoveChilds(int, int)), this, SLOT(onBeginRemoveChilds(int, int)));
  52 }
  53
  54
  55 QVariant NetworkItem::data(int column, int role) const
  56 {
  57     switch (role) {
  58     case NetworkModel::BufferIdRole:
  59     case NetworkModel::BufferInfoRole:
  60     case NetworkModel::BufferTypeRole:
  61     case NetworkModel::BufferActivityRole:
  62         if (_statusBufferItem)
  63             return _statusBufferItem->data(column, role);
  64         else
  65             return QVariant();
  66     case NetworkModel::NetworkIdRole:
  67         return qVariantFromValue(_networkId);
  68     case NetworkModel::ItemTypeRole:
  69         return NetworkModel::NetworkItemType;
  70     case NetworkModel::ItemActiveRole:
  71         return isActive();
  72     default:
  73         return PropertyMapItem::data(column, role);
  74     }
  75 }
  76
  77 QString NetworkItem::escapeHTML(const QString &string, bool useNonbreakingSpaces)
  78 {
  79     // QString.replace() doesn't guarentee the source string will remain constant.
  80     // Use a local variable to avoid compiler errors.
  81 #if QT_VERSION < 0x050000
  82     QString formattedString = Qt::escape(string);
  83 #else
  84     QString formattedString = string.toHtmlEscaped();
  85 #endif
  86     return (useNonbreakingSpaces ? formattedString.replace(" ", "&nbsp;") : formattedString);
  87 }
  88
  89
  90 // FIXME shouldn't we check the bufferItemCache here?
  91 BufferItem *NetworkItem::findBufferItem(BufferId bufferId)
  92 {
  93     BufferItem *bufferItem = 0;
  94
  95     for (int i = 0; i < childCount(); i++) {
  96         bufferItem = qobject_cast<BufferItem *>(child(i));
  97         if (!bufferItem)
  98             continue;
  99         if (bufferItem->bufferId() == bufferId)
 100             return bufferItem;
 101     }
 102     return 0;
 103 }
 104
 105
 106 BufferItem *NetworkItem::bufferItem(const BufferInfo &bufferInfo)
 107 {
 108     BufferItem *bufferItem = findBufferItem(bufferInfo);
 109     if (bufferItem)
 110         return bufferItem;
 111
 112     switch (bufferInfo.type()) {
 113     case BufferInfo::StatusBuffer:
 114         _statusBufferItem = new StatusBufferItem(bufferInfo, this);
 115         bufferItem = _statusBufferItem;
 116         disconnect(this, SIGNAL(networkDataChanged(int)), this, SIGNAL(dataChanged(int)));
 117         connect(this, SIGNAL(networkDataChanged(int)), bufferItem, SIGNAL(dataChanged(int)));
 118         connect(bufferItem, SIGNAL(dataChanged(int)), this, SIGNAL(dataChanged(int)));
 119         break;
 120     case BufferInfo::ChannelBuffer:
 121         bufferItem = new ChannelBufferItem(bufferInfo, this);
 122         break;
 123     case BufferInfo::QueryBuffer:
 124         bufferItem = new QueryBufferItem(bufferInfo, this);
 125         break;
 126     default:
 127         bufferItem = new BufferItem(bufferInfo, this);
 128     }
 129
 130     newChild(bufferItem);
 131
 132     // postprocess... this is necessary because Qt doesn't seem to like adding children which already have children on their own
 133     switch (bufferInfo.type()) {
 134     case BufferInfo::ChannelBuffer:
 135     {
 136         ChannelBufferItem *channelBufferItem = static_cast<ChannelBufferItem *>(bufferItem);
 137         if (_network) {
 138             IrcChannel *ircChannel = _network->ircChannel(bufferInfo.bufferName());
 139             if (ircChannel)
 140                 channelBufferItem->attachIrcChannel(ircChannel);
 141         }
 142     }
 143     break;
 144     default:
 145         break;
 146     }
 147
 148     return bufferItem;
 149 }
 150
 151
 152 void NetworkItem::attachNetwork(Network *network)
 153 {
 154     if (!network)
 155         return;
 156
 157     _network = network;
 158
 159     connect(network, SIGNAL(networkNameSet(QString)),
 160         this, SLOT(setNetworkName(QString)));
 161     connect(network, SIGNAL(currentServerSet(QString)),
 162         this, SLOT(setCurrentServer(QString)));
 163     connect(network, SIGNAL(ircChannelAdded(IrcChannel *)),
 164         this, SLOT(attachIrcChannel(IrcChannel *)));
 165     connect(network, SIGNAL(ircUserAdded(IrcUser *)),
 166         this, SLOT(attachIrcUser(IrcUser *)));
 167     connect(network, SIGNAL(connectedSet(bool)),
 168         this, SIGNAL(networkDataChanged()));
 169     connect(network, SIGNAL(destroyed()),
 170         this, SLOT(onNetworkDestroyed()));
 171
 172     emit networkDataChanged();
 173 }
 174
 175
 176 void NetworkItem::attachIrcChannel(IrcChannel *ircChannel)
 177 {
 178     ChannelBufferItem *channelItem;
 179     for (int i = 0; i < childCount(); i++) {
 180         channelItem = qobject_cast<ChannelBufferItem *>(child(i));
 181         if (!channelItem)
 182             continue;
 183
 184         if (channelItem->bufferName().toLower() == ircChannel->name().toLower()) {
 185             channelItem->attachIrcChannel(ircChannel);
 186             return;
 187         }
 188     }
 189 }
 190
 191
 192 void NetworkItem::attachIrcUser(IrcUser *ircUser)
 193 {
 194     QueryBufferItem *queryItem = 0;
 195     for (int i = 0; i < childCount(); i++) {
 196         queryItem = qobject_cast<QueryBufferItem *>(child(i));
 197         if (!queryItem)
 198             continue;
 199
 200         if (queryItem->bufferName().toLower() == ircUser->nick().toLower()) {
 201             queryItem->setIrcUser(ircUser);
 202             break;
 203         }
 204     }
 205 }
 206
 207
 208 void NetworkItem::setNetworkName(const QString &networkName)
 209 {
 210     Q_UNUSED(networkName);
 211     emit networkDataChanged(0);
 212 }
 213
 214
 215 void NetworkItem::setCurrentServer(const QString &serverName)
 216 {
 217     Q_UNUSED(serverName);
 218     emit networkDataChanged(1);
 219 }
 220
 221
 222 QString NetworkItem::toolTip(int column) const
 223 {
 224     Q_UNUSED(column);
 225     QString strTooltip;
 226     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
 227     tooltip << "<qt><style>.bold { font-weight: bold; }</style>";
 228
 229     // Function to add a row to the tooltip table
 230     auto addRow = [&](const QString& key, const QString& value, bool condition) {
 231         if (condition) {
 232             tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
 233         }
 234     };
 235
 236     tooltip << "<p class='bold' align='center'>" << NetworkItem::escapeHTML(networkName(), true) << "</p>";
 237     tooltip << "<table cellspacing='5' cellpadding='0'>";
 238     addRow(tr("Server"), NetworkItem::escapeHTML(currentServer(), true), true);
 239
 240     addRow(tr("Users"), QString::number(nickCount()), true);
 241
 242     if (_network)
 243         addRow(tr("Lag"), NetworkItem::escapeHTML(tr("%1 msecs").arg(_network->latency()), true), true);
 244
 245     tooltip << "</table></qt>";
 246     return strTooltip;
 247 }
 248
 249
 250 void NetworkItem::onBeginRemoveChilds(int start, int end)
 251 {
 252     for (int i = start; i <= end; i++) {
 253         StatusBufferItem *statusBufferItem = qobject_cast<StatusBufferItem *>(child(i));
 254         if (statusBufferItem) {
 255             _statusBufferItem = 0;
 256             break;
 257         }
 258     }
 259 }
 260
 261
 262 void NetworkItem::onNetworkDestroyed()
 263 {
 264     _network = 0;
 265     emit networkDataChanged();
 266     removeAllChilds();
 267 }
 268
 269
 270 /*****************************************
 271 *  Fancy Buffer Items
 272 *****************************************/
 273 BufferItem::BufferItem(const BufferInfo &bufferInfo, AbstractTreeItem *parent)
 274     : PropertyMapItem(QStringList() << "bufferName" << "topic" << "nickCount", parent),
 275     _bufferInfo(bufferInfo),
 276     _activity(BufferInfo::NoActivity)
 277 {
 278     setFlags(Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled);
 279 }
 280
 281
 282 void BufferItem::setActivityLevel(BufferInfo::ActivityLevel level)
 283 {
 284     if (_activity != level) {
 285         _activity = level;
 286         emit dataChanged();
 287     }
 288 }
 289
 290
 291 void BufferItem::clearActivityLevel()
 292 {
 293     _activity = BufferInfo::NoActivity;
 294     _firstUnreadMsgId = MsgId();
 295
 296     // FIXME remove with core proto v11
 297     if (!(Client::coreFeatures() & Quassel::SynchronizedMarkerLine)) {
 298         _markerLineMsgId = _lastSeenMsgId;
 299     }
 300
 301     emit dataChanged();
 302 }
 303
 304
 305 void BufferItem::updateActivityLevel(const Message &msg)
 306 {
 307     if (isCurrentBuffer()) {
 308         return;
 309     }
 310
 311     if (msg.flags() & Message::Self)    // don't update activity for our own messages
 312         return;
 313
 314     if (Client::ignoreListManager()
 315         && Client::ignoreListManager()->match(msg, qobject_cast<NetworkItem *>(parent())->networkName()))
 316         return;
 317
 318     if (msg.msgId() <= lastSeenMsgId())
 319         return;
 320
 321     bool stateChanged = false;
 322     if (!firstUnreadMsgId().isValid() || msg.msgId() < firstUnreadMsgId()) {
 323         stateChanged = true;
 324         _firstUnreadMsgId = msg.msgId();
 325     }
 326
 327     BufferInfo::ActivityLevel oldLevel = activityLevel();
 328
 329     _activity |= BufferInfo::OtherActivity;
 330     if (msg.type() & (Message::Plain | Message::Notice | Message::Action))
 331         _activity |= BufferInfo::NewMessage;
 332
 333     if (msg.flags() & Message::Highlight)
 334         _activity |= BufferInfo::Highlight;
 335
 336     stateChanged |= (oldLevel != _activity);
 337
 338     if (stateChanged)
 339         emit dataChanged();
 340 }
 341
 342
 343 QVariant BufferItem::data(int column, int role) const
 344 {
 345     switch (role) {
 346     case NetworkModel::ItemTypeRole:
 347         return NetworkModel::BufferItemType;
 348     case NetworkModel::BufferIdRole:
 349         return qVariantFromValue(bufferInfo().bufferId());
 350     case NetworkModel::NetworkIdRole:
 351         return qVariantFromValue(bufferInfo().networkId());
 352     case NetworkModel::BufferInfoRole:
 353         return qVariantFromValue(bufferInfo());
 354     case NetworkModel::BufferTypeRole:
 355         return int(bufferType());
 356     case NetworkModel::ItemActiveRole:
 357         return isActive();
 358     case NetworkModel::BufferActivityRole:
 359         return (int)activityLevel();
 360     case NetworkModel::BufferFirstUnreadMsgIdRole:
 361         return qVariantFromValue(firstUnreadMsgId());
 362     case NetworkModel::MarkerLineMsgIdRole:
 363         return qVariantFromValue(markerLineMsgId());
 364     default:
 365         return PropertyMapItem::data(column, role);
 366     }
 367 }
 368
 369
 370 bool BufferItem::setData(int column, const QVariant &value, int role)
 371 {
 372     switch (role) {
 373     case NetworkModel::BufferActivityRole:
 374         setActivityLevel((BufferInfo::ActivityLevel)value.toInt());
 375         return true;
 376     default:
 377         return PropertyMapItem::setData(column, value, role);
 378     }
 379     return true;
 380 }
 381
 382
 383 void BufferItem::setBufferName(const QString &name)
 384 {
 385     _bufferInfo = BufferInfo(_bufferInfo.bufferId(), _bufferInfo.networkId(), _bufferInfo.type(), _bufferInfo.groupId(), name);
 386     emit dataChanged(0);
 387 }
 388
 389
 390 void BufferItem::setLastSeenMsgId(MsgId msgId)
 391 {
 392     _lastSeenMsgId = msgId;
 393
 394     // FIXME remove with core protocol v11
 395     if (!(Client::coreFeatures() & Quassel::SynchronizedMarkerLine)) {
 396         if (!isCurrentBuffer())
 397             _markerLineMsgId = msgId;
 398     }
 399
 400     setActivityLevel(BufferInfo::NoActivity);
 401 }
 402
 403
 404 void BufferItem::setMarkerLineMsgId(MsgId msgId)
 405 {
 406     _markerLineMsgId = msgId;
 407     emit dataChanged();
 408 }
 409
 410
 411 bool BufferItem::isCurrentBuffer() const
 412 {
 413     return _bufferInfo.bufferId() == Client::bufferModel()->currentIndex().data(NetworkModel::BufferIdRole).value<BufferId>();
 414 }
 415
 416
 417 QString BufferItem::toolTip(int column) const
 418 {
 419     Q_UNUSED(column);
 420     return tr("<p> %1 - %2 </p>").arg(bufferInfo().bufferId().toInt()).arg(bufferName());
 421 }
 422
 423
 424 /*****************************************
 425 *  StatusBufferItem
 426 *****************************************/
 427 StatusBufferItem::StatusBufferItem(const BufferInfo &bufferInfo, NetworkItem *parent)
 428     : BufferItem(bufferInfo, parent)
 429 {
 430 }
 431
 432
 433 QString StatusBufferItem::toolTip(int column) const
 434 {
 435     NetworkItem *networkItem = qobject_cast<NetworkItem *>(parent());
 436     if (networkItem)
 437         return networkItem->toolTip(column);
 438     else
 439         return QString();
 440 }
 441
 442
 443 /*****************************************
 444 *  QueryBufferItem
 445 *****************************************/
 446 QueryBufferItem::QueryBufferItem(const BufferInfo &bufferInfo, NetworkItem *parent)
 447     : BufferItem(bufferInfo, parent),
 448     _ircUser(0)
 449 {
 450     setFlags(flags() | Qt::ItemIsDropEnabled | Qt::ItemIsEditable);
 451
 452     const Network *net = Client::network(bufferInfo.networkId());
 453     if (!net)
 454         return;
 455
 456     IrcUser *ircUser = net->ircUser(bufferInfo.bufferName());
 457     setIrcUser(ircUser);
 458 }
 459
 460
 461 QVariant QueryBufferItem::data(int column, int role) const
 462 {
 463     switch (role) {
 464     case Qt::EditRole:
 465         return BufferItem::data(column, Qt::DisplayRole);
 466     case NetworkModel::IrcUserRole:
 467         return QVariant::fromValue<QObject *>(_ircUser);
 468     case NetworkModel::UserAwayRole:
 469         return (bool)_ircUser ? _ircUser->isAway() : false;
 470     default:
 471         return BufferItem::data(column, role);
 472     }
 473 }
 474
 475
 476 bool QueryBufferItem::setData(int column, const QVariant &value, int role)
 477 {
 478     if (column != 0)
 479         return BufferItem::setData(column, value, role);
 480
 481     switch (role) {
 482     case Qt::EditRole:
 483     {
 484         QString newName = value.toString();
 485
 486         // Sanity check - buffer names must not contain newlines!
 487         int nlpos = newName.indexOf('\n');
 488         if (nlpos >= 0)
 489             newName = newName.left(nlpos);
 490
 491         if (!newName.isEmpty()) {
 492             Client::renameBuffer(bufferId(), newName);
 493             return true;
 494         }
 495         else {
 496             return false;
 497         }
 498     }
 499     break;
 500     default:
 501         return BufferItem::setData(column, value, role);
 502     }
 503 }
 504
 505
 506 void QueryBufferItem::setBufferName(const QString &name)
 507 {
 508     BufferItem::setBufferName(name);
 509     NetworkId netId = data(0, NetworkModel::NetworkIdRole).value<NetworkId>();
 510     const Network *net = Client::network(netId);
 511     if (net)
 512         setIrcUser(net->ircUser(name));
 513 }
 514
 515
 516 QString QueryBufferItem::toolTip(int column) const
 517 {
 518     // pretty much code duplication of IrcUserItem::toolTip() but inheritance won't solve this...
 519     Q_UNUSED(column);
 520     QString strTooltip;
 521     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
 522     tooltip << "<qt><style>.bold { font-weight: bold; }</style>"
 523             << "<style>.italic { font-style: italic; }</style>";
 524
 525     // Keep track of whether or not information has been added
 526     bool infoAdded = false;
 527
 528     // Use bufferName() for QueryBufferItem, nickName() for IrcUserItem
 529     tooltip << "<p class='bold' align='center'>";
 530     tooltip << tr("Query with %1").arg(NetworkItem::escapeHTML(bufferName(), true));
 531     if (!_ircUser) {
 532         // User seems to be offline, let the no information message be added below
 533         tooltip << "</p>";
 534     } else {
 535         // Function to add a row to the tooltip table
 536         auto addRow = [&](const QString& key, const QString& value, bool condition) {
 537             if (condition) {
 538                 tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
 539                 infoAdded = true;
 540             }
 541         };
 542
 543         // User information is available
 544         if (_ircUser->userModes() != "") {
 545             //TODO Translate user Modes and add them to the table below and in IrcUserItem::toolTip
 546             tooltip << " (" << _ircUser->userModes() << ")";
 547         }
 548         tooltip << "</p>";
 549
 550         tooltip << "<table cellspacing='5' cellpadding='0'>";
 551         if (_ircUser->isAway()) {
 552             QString awayMessage(tr("(unknown)"));
 553             if(!_ircUser->awayMessage().isEmpty()) {
 554                 awayMessage = _ircUser->awayMessage();
 555             }
 556             addRow(NetworkItem::escapeHTML(tr("Away message"), true), NetworkItem::escapeHTML(awayMessage), true);
 557         }
 558         addRow(tr("Realname"),
 559                NetworkItem::escapeHTML(_ircUser->realName()),
 560                !_ircUser->realName().isEmpty());
 561         // suserHost may return "<nick> is available for help", which should be translated.
 562         // See https://www.alien.net.au/irc/irc2numerics.html
 563         if(_ircUser->suserHost().endsWith("available for help")) {
 564             addRow(NetworkItem::escapeHTML(tr("Help status"), true),
 565                    NetworkItem::escapeHTML(tr("Available for help")),
 566                    true);
 567         } else {
 568             addRow(NetworkItem::escapeHTML(tr("Service status"), true),
 569                    NetworkItem::escapeHTML(_ircUser->suserHost()),
 570                    !_ircUser->suserHost().isEmpty());
 571         }
 572
 573         // Keep track of whether or not the account information's been added.  Don't show it twice.
 574         bool accountAdded = false;
 575         if(!_ircUser->account().isEmpty()) {
 576             // IRCv3 account-notify is supported by the core and IRC server.
 577             // Assume logged out (seems to be more common)
 578             QString accountHTML = QString("<p class='italic'>%1</p>").arg(tr("Not logged in"));
 579
 580             // If account is logged in, replace with the escaped account name.
 581             if (_ircUser->account() != "*") {
 582                 accountHTML = NetworkItem::escapeHTML(_ircUser->account());
 583             }
 584             addRow(NetworkItem::escapeHTML(tr("Account"), true),
 585                    accountHTML,
 586                    true);
 587             // Mark the row as added
 588             accountAdded = true;
 589         }
 590         // whoisServiceReply may return "<nick> is identified for this nick", which should be translated.
 591         // See https://www.alien.net.au/irc/irc2numerics.html
 592         if(_ircUser->whoisServiceReply().endsWith("identified for this nick")) {
 593             addRow(NetworkItem::escapeHTML(tr("Account"), true),
 594                    NetworkItem::escapeHTML(tr("Identified for this nick")),
 595                    !accountAdded);
 596             // Don't add the account row again if information's already added via account-notify
 597             // Mark the row as added
 598             accountAdded = true;
 599         } else {
 600             addRow(NetworkItem::escapeHTML(tr("Service Reply"), true),
 601                    NetworkItem::escapeHTML(_ircUser->whoisServiceReply()),
 602                    !_ircUser->whoisServiceReply().isEmpty());
 603         }
 604         addRow(tr("Hostmask"),
 605                NetworkItem::escapeHTML(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1)),
 606                !(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1) == "@"));
 607         // ircOperator may contain "is an" or "is a", which should be removed.
 608         addRow(tr("Operator"),
 609                NetworkItem::escapeHTML(_ircUser->ircOperator().replace("is an ", "").replace("is a ", "")),
 610                !_ircUser->ircOperator().isEmpty());
 611
 612         if (_ircUser->idleTime().isValid()) {
 613             QDateTime now = QDateTime::currentDateTime();
 614             QDateTime idle = _ircUser->idleTime();
 615             int idleTime = idle.secsTo(now);
 616             addRow(NetworkItem::escapeHTML(tr("Idling since"), true), secondsToString(idleTime), true);
 617         }
 618
 619         if (_ircUser->loginTime().isValid()) {
 620             addRow(NetworkItem::escapeHTML(tr("Login time"), true), _ircUser->loginTime().toString(), true);
 621         }
 622
 623         addRow(tr("Server"), NetworkItem::escapeHTML(_ircUser->server()), !_ircUser->server().isEmpty());
 624         tooltip << "</table>";
 625     }
 626
 627     // If no further information found, offer an explanatory message
 628     if (!infoAdded)
 629         tooltip << "<p class='italic'>" << tr("No information available") << "</p>";
 630
 631     tooltip << "</qt>";
 632     return strTooltip;
 633 }
 634
 635
 636 void QueryBufferItem::setIrcUser(IrcUser *ircUser)
 637 {
 638     if (_ircUser == ircUser)
 639         return;
 640
 641     if (_ircUser) {
 642         disconnect(_ircUser, 0, this, 0);
 643     }
 644
 645     if (ircUser) {
 646         connect(ircUser, SIGNAL(destroyed(QObject*)), SLOT(removeIrcUser()));
 647         connect(ircUser, SIGNAL(quited()), this, SLOT(removeIrcUser()));
 648         connect(ircUser, SIGNAL(awaySet(bool)), this, SIGNAL(dataChanged()));
 649         connect(ircUser, SIGNAL(encryptedSet(bool)), this, SLOT(setEncrypted(bool)));
 650     }
 651
 652     _ircUser = ircUser;
 653     emit dataChanged();
 654 }
 655
 656
 657 void QueryBufferItem::removeIrcUser()
 658 {
 659     _ircUser = 0;
 660     emit dataChanged();
 661 }
 662
 663
 664 /*****************************************
 665 *  ChannelBufferItem
 666 *****************************************/
 667 ChannelBufferItem::ChannelBufferItem(const BufferInfo &bufferInfo, AbstractTreeItem *parent)
 668     : BufferItem(bufferInfo, parent),
 669     _ircChannel(0)
 670 {
 671 }
 672
 673
 674 QVariant ChannelBufferItem::data(int column, int role) const
 675 {
 676     switch (role) {
 677     case NetworkModel::IrcChannelRole:
 678         return QVariant::fromValue<QObject *>(_ircChannel);
 679     default:
 680         return BufferItem::data(column, role);
 681     }
 682 }
 683
 684
 685 QString ChannelBufferItem::toolTip(int column) const
 686 {
 687     Q_UNUSED(column);
 688     QString strTooltip;
 689     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
 690     tooltip << "<qt><style>.bold { font-weight: bold; }</style>"
 691             << "<qt><style>.italic { font-style: italic; }</style>";
 692
 693     // Function to add a row to the tooltip table
 694     auto addRow = [&](const QString& key, const QString& value, bool condition) {
 695         if (condition) {
 696             tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
 697         }
 698     };
 699
 700     tooltip << "<p class='bold' align='center'>";
 701     tooltip << NetworkItem::escapeHTML(tr("Channel %1").arg(bufferName()), true) << "</p>";
 702
 703     if (isActive()) {
 704         tooltip << "<table cellspacing='5' cellpadding='0'>";
 705         addRow(tr("Users"), QString::number(nickCount()), true);
 706
 707         if (_ircChannel) {
 708             QString channelMode = _ircChannel->channelModeString(); // channelModeString is compiled on the fly -> thus cache the result
 709             if (!channelMode.isEmpty())
 710                 addRow(tr("Mode"), channelMode, true);
 711         }
 712
 713         ItemViewSettings s;
 714         bool showTopic = s.displayTopicInTooltip();
 715         if (showTopic) {
 716             QString _topic = topic();
 717             if (_topic != "") {
 718                 _topic = stripFormatCodes(_topic);
 719                 _topic = NetworkItem::escapeHTML(_topic);
 720                 addRow(tr("Topic"), _topic, true);
 721             }
 722         }
 723
 724         tooltip << "</table>";
 725     } else {
 726         tooltip << "<p class='italic'>" << tr("Not active, double-click to join") << "</p>";
 727     }
 728
 729     tooltip << "</qt>";
 730     return strTooltip;
 731 }
 732
 733
 734 void ChannelBufferItem::attachIrcChannel(IrcChannel *ircChannel)
 735 {
 736     if (_ircChannel) {
 737         qWarning() << Q_FUNC_INFO << "IrcChannel already set; cleanup failed!?";
 738         disconnect(_ircChannel, 0, this, 0);
 739     }
 740
 741     _ircChannel = ircChannel;
 742
 743     connect(ircChannel, SIGNAL(destroyed(QObject*)),
 744         this, SLOT(ircChannelDestroyed()));
 745     connect(ircChannel, SIGNAL(topicSet(QString)),
 746         this, SLOT(setTopic(QString)));
 747     connect(ircChannel, SIGNAL(encryptedSet(bool)),
 748         this, SLOT(setEncrypted(bool)));
 749     connect(ircChannel, SIGNAL(ircUsersJoined(QList<IrcUser *> )),
 750         this, SLOT(join(QList<IrcUser *> )));
 751     connect(ircChannel, SIGNAL(ircUserParted(IrcUser *)),
 752         this, SLOT(part(IrcUser *)));
 753     connect(ircChannel, SIGNAL(parted()),
 754         this, SLOT(ircChannelParted()));
 755     connect(ircChannel, SIGNAL(ircUserModesSet(IrcUser *, QString)),
 756         this, SLOT(userModeChanged(IrcUser *)));
 757     connect(ircChannel, SIGNAL(ircUserModeAdded(IrcUser *, QString)),
 758         this, SLOT(userModeChanged(IrcUser *)));
 759     connect(ircChannel, SIGNAL(ircUserModeRemoved(IrcUser *, QString)),
 760         this, SLOT(userModeChanged(IrcUser *)));
 761
 762     if (!ircChannel->ircUsers().isEmpty())
 763         join(ircChannel->ircUsers());
 764
 765     emit dataChanged();
 766 }
 767
 768 QString ChannelBufferItem::nickChannelModes(const QString &nick) const
 769 {
 770     if (!_ircChannel) {
 771         qDebug() << Q_FUNC_INFO << "IrcChannel not set, can't get user modes";
 772         return QString();
 773     }
 774
 775     return _ircChannel->userModes(nick);
 776 }
 777
 778
 779 void ChannelBufferItem::ircChannelParted()
 780 {
 781     Q_CHECK_PTR(_ircChannel);
 782     disconnect(_ircChannel, 0, this, 0);
 783     _ircChannel = 0;
 784     emit dataChanged();
 785     removeAllChilds();
 786 }
 787
 788
 789 void ChannelBufferItem::ircChannelDestroyed()
 790 {
 791     if (_ircChannel) {
 792         _ircChannel = 0;
 793         emit dataChanged();
 794         removeAllChilds();
 795     }
 796 }
 797
 798
 799 void ChannelBufferItem::join(const QList<IrcUser *> &ircUsers)
 800 {
 801     addUsersToCategory(ircUsers);
 802     emit dataChanged(2);
 803 }
 804
 805
 806 UserCategoryItem *ChannelBufferItem::findCategoryItem(int categoryId)
 807 {
 808     UserCategoryItem *categoryItem = 0;
 809
 810     for (int i = 0; i < childCount(); i++) {
 811         categoryItem = qobject_cast<UserCategoryItem *>(child(i));
 812         if (!categoryItem)
 813             continue;
 814         if (categoryItem->categoryId() == categoryId)
 815             return categoryItem;
 816     }
 817     return 0;
 818 }
 819
 820
 821 void ChannelBufferItem::addUserToCategory(IrcUser *ircUser)
 822 {
 823     addUsersToCategory(QList<IrcUser *>() << ircUser);
 824 }
 825
 826
 827 void ChannelBufferItem::addUsersToCategory(const QList<IrcUser *> &ircUsers)
 828 {
 829     Q_ASSERT(_ircChannel);
 830
 831     QHash<UserCategoryItem *, QList<IrcUser *> > categories;
 832
 833     int categoryId = -1;
 834     UserCategoryItem *categoryItem = 0;
 835
 836     foreach(IrcUser *ircUser, ircUsers) {
 837         categoryId = UserCategoryItem::categoryFromModes(_ircChannel->userModes(ircUser));
 838         categoryItem = findCategoryItem(categoryId);
 839         if (!categoryItem) {
 840             categoryItem = new UserCategoryItem(categoryId, this);
 841             categories[categoryItem] = QList<IrcUser *>();
 842             newChild(categoryItem);
 843         }
 844         categories[categoryItem] << ircUser;
 845     }
 846
 847     QHash<UserCategoryItem *, QList<IrcUser *> >::const_iterator catIter = categories.constBegin();
 848     while (catIter != categories.constEnd()) {
 849         catIter.key()->addUsers(catIter.value());
 850         ++catIter;
 851     }
 852 }
 853
 854
 855 void ChannelBufferItem::part(IrcUser *ircUser)
 856 {
 857     if (!ircUser) {
 858         qWarning() << bufferName() << "ChannelBufferItem::part(): unknown User" << ircUser;
 859         return;
 860     }
 861
 862     disconnect(ircUser, 0, this, 0);
 863     removeUserFromCategory(ircUser);
 864     emit dataChanged(2);
 865 }
 866
 867
 868 void ChannelBufferItem::removeUserFromCategory(IrcUser *ircUser)
 869 {
 870     if (!_ircChannel) {
 871         // If we parted the channel there might still be some ircUsers connected.
 872         // in that case we just ignore the call
 873         Q_ASSERT(childCount() == 0);
 874         return;
 875     }
 876
 877     UserCategoryItem *categoryItem = 0;
 878     for (int i = 0; i < childCount(); i++) {
 879         categoryItem = qobject_cast<UserCategoryItem *>(child(i));
 880         if (categoryItem->removeUser(ircUser)) {
 881             if (categoryItem->childCount() == 0)
 882                 removeChild(i);
 883             break;
 884         }
 885     }
 886 }
 887
 888
 889 void ChannelBufferItem::userModeChanged(IrcUser *ircUser)
 890 {
 891     Q_ASSERT(_ircChannel);
 892
 893     int categoryId = UserCategoryItem::categoryFromModes(_ircChannel->userModes(ircUser));
 894     UserCategoryItem *categoryItem = findCategoryItem(categoryId);
 895
 896     if (categoryItem) {
 897         if (categoryItem->findIrcUser(ircUser)) {
 898             return; // already in the right category;
 899         }
 900     }
 901     else {
 902         categoryItem = new UserCategoryItem(categoryId, this);
 903         newChild(categoryItem);
 904     }
 905
 906     // find the item that needs reparenting
 907     IrcUserItem *ircUserItem = 0;
 908     for (int i = 0; i < childCount(); i++) {
 909         UserCategoryItem *oldCategoryItem = qobject_cast<UserCategoryItem *>(child(i));
 910         Q_ASSERT(oldCategoryItem);
 911         IrcUserItem *userItem = oldCategoryItem->findIrcUser(ircUser);
 912         if (userItem) {
 913             ircUserItem = userItem;
 914             break;
 915         }
 916     }
 917
 918     if (!ircUserItem) {
 919         qWarning() << "ChannelBufferItem::userModeChanged(IrcUser *): unable to determine old category of" << ircUser;
 920         return;
 921     }
 922     ircUserItem->reParent(categoryItem);
 923 }
 924
 925
 926 /*****************************************
 927 *  User Category Items (like @vh etc.)
 928 *****************************************/
 929 // we hardcode this even though we have PREFIX in network... but that wouldn't help with mapping modes to
 930 // category strings anyway.
 931 const QList<QChar> UserCategoryItem::categories = QList<QChar>() << 'q' << 'a' << 'o' << 'h' << 'v';
 932
 933 UserCategoryItem::UserCategoryItem(int category, AbstractTreeItem *parent)
 934     : PropertyMapItem(QStringList() << "categoryName", parent),
 935     _category(category)
 936 {
 937     setFlags(Qt::ItemIsEnabled);
 938     setTreeItemFlags(AbstractTreeItem::DeleteOnLastChildRemoved);
 939     setObjectName(parent->data(0, Qt::DisplayRole).toString() + "/" + QString::number(category));
 940 }
 941
 942
 943 // caching this makes no sense, since we display the user number dynamically
 944 QString UserCategoryItem::categoryName() const
 945 {
 946     int n = childCount();
 947     switch (_category) {
 948     case 0:
 949         return tr("%n Owner(s)", 0, n);
 950     case 1:
 951         return tr("%n Admin(s)", 0, n);
 952     case 2:
 953         return tr("%n Operator(s)", 0, n);
 954     case 3:
 955         return tr("%n Half-Op(s)", 0, n);
 956     case 4:
 957         return tr("%n Voiced", 0, n);
 958     default:
 959         return tr("%n User(s)", 0, n);
 960     }
 961 }
 962
 963
 964 IrcUserItem *UserCategoryItem::findIrcUser(IrcUser *ircUser)
 965 {
 966     IrcUserItem *userItem = 0;
 967
 968     for (int i = 0; i < childCount(); i++) {
 969         userItem = qobject_cast<IrcUserItem *>(child(i));
 970         if (!userItem)
 971             continue;
 972         if (userItem->ircUser() == ircUser)
 973             return userItem;
 974     }
 975     return 0;
 976 }
 977
 978
 979 void UserCategoryItem::addUsers(const QList<IrcUser *> &ircUsers)
 980 {
 981     QList<AbstractTreeItem *> userItems;
 982     foreach(IrcUser *ircUser, ircUsers)
 983     userItems << new IrcUserItem(ircUser, this);
 984     newChilds(userItems);
 985     emit dataChanged(0);
 986 }
 987
 988
 989 bool UserCategoryItem::removeUser(IrcUser *ircUser)
 990 {
 991     IrcUserItem *userItem = findIrcUser(ircUser);
 992     bool success = (bool)userItem;
 993     if (success) {
 994         removeChild(userItem);
 995         emit dataChanged(0);
 996     }
 997     return success;
 998 }
 999
1000
1001 int UserCategoryItem::categoryFromModes(const QString &modes)
1002 {
1003     for (int i = 0; i < categories.count(); i++) {
1004         if (modes.contains(categories[i]))
1005             return i;
1006     }
1007     return categories.count();
1008 }
1009
1010
1011 QVariant UserCategoryItem::data(int column, int role) const
1012 {
1013     switch (role) {
1014     case TreeModel::SortRole:
1015         return _category;
1016     case NetworkModel::ItemActiveRole:
1017         return true;
1018     case NetworkModel::ItemTypeRole:
1019         return NetworkModel::UserCategoryItemType;
1020     case NetworkModel::BufferIdRole:
1021         return parent()->data(column, role);
1022     case NetworkModel::NetworkIdRole:
1023         return parent()->data(column, role);
1024     case NetworkModel::BufferInfoRole:
1025         return parent()->data(column, role);
1026     default:
1027         return PropertyMapItem::data(column, role);
1028     }
1029 }
1030
1031
1032 /*****************************************
1033 *  Irc User Items
1034 *****************************************/
1035 IrcUserItem::IrcUserItem(IrcUser *ircUser, AbstractTreeItem *parent)
1036     : PropertyMapItem(QStringList() << "nickName", parent),
1037     _ircUser(ircUser)
1038 {
1039     setObjectName(ircUser->nick());
1040     connect(ircUser, SIGNAL(quited()), this, SLOT(ircUserQuited()));
1041     connect(ircUser, SIGNAL(nickSet(QString)), this, SIGNAL(dataChanged()));
1042     connect(ircUser, SIGNAL(awaySet(bool)), this, SIGNAL(dataChanged()));
1043 }
1044
1045
1046 QVariant IrcUserItem::data(int column, int role) const
1047 {
1048     switch (role) {
1049     case NetworkModel::ItemActiveRole:
1050         return isActive();
1051     case NetworkModel::ItemTypeRole:
1052         return NetworkModel::IrcUserItemType;
1053     case NetworkModel::BufferIdRole:
1054         return parent()->data(column, role);
1055     case NetworkModel::NetworkIdRole:
1056         return parent()->data(column, role);
1057     case NetworkModel::BufferInfoRole:
1058         return parent()->data(column, role);
1059     case NetworkModel::IrcChannelRole:
1060         return parent()->data(column, role);
1061     case NetworkModel::IrcUserRole:
1062         return QVariant::fromValue<QObject *>(_ircUser.data());
1063     case NetworkModel::UserAwayRole:
1064         return (bool)_ircUser ? _ircUser->isAway() : false;
1065     default:
1066         return PropertyMapItem::data(column, role);
1067     }
1068 }
1069
1070
1071 QString IrcUserItem::toolTip(int column) const
1072 {
1073     Q_UNUSED(column);
1074     QString strTooltip;
1075     QTextStream tooltip( &strTooltip, QIODevice::WriteOnly );
1076     tooltip << "<qt><style>.bold { font-weight: bold; }</style>"
1077             << "<style>.italic { font-style: italic; }</style>";
1078
1079     // Keep track of whether or not information has been added
1080     bool infoAdded = false;
1081
1082     // Use bufferName() for QueryBufferItem, nickName() for IrcUserItem
1083     tooltip << "<p class='bold' align='center'>" << NetworkItem::escapeHTML(nickName(), true);
1084     if (_ircUser->userModes() != "") {
1085         //TODO: Translate user Modes and add them to the table below and in QueryBufferItem::toolTip
1086         tooltip << " (" << _ircUser->userModes() << ")";
1087     }
1088     tooltip << "</p>";
1089
1090     auto addRow = [&](const QString& key, const QString& value, bool condition) {
1091         if (condition)
1092         {
1093             tooltip << "<tr><td class='bold' align='right'>" << key << "</td><td>" << value << "</td></tr>";
1094             infoAdded = true;
1095         }
1096     };
1097
1098     tooltip << "<table cellspacing='5' cellpadding='0'>";
1099     addRow(tr("Modes"),
1100            NetworkItem::escapeHTML(channelModes()),
1101            !channelModes().isEmpty());
1102     if (_ircUser->isAway()) {
1103         QString awayMessage(tr("(unknown)"));
1104         if(!_ircUser->awayMessage().isEmpty()) {
1105             awayMessage = _ircUser->awayMessage();
1106         }
1107         addRow(NetworkItem::escapeHTML(tr("Away message"), true), NetworkItem::escapeHTML(awayMessage), true);
1108     }
1109     addRow(tr("Realname"),
1110            NetworkItem::escapeHTML(_ircUser->realName()),
1111            !_ircUser->realName().isEmpty());
1112
1113     // suserHost may return "<nick> is available for help", which should be translated.
1114     // See https://www.alien.net.au/irc/irc2numerics.html
1115     if(_ircUser->suserHost().endsWith("available for help")) {
1116         addRow(NetworkItem::escapeHTML(tr("Help status"), true),
1117                NetworkItem::escapeHTML(tr("Available for help")),
1118                true);
1119     } else {
1120         addRow(NetworkItem::escapeHTML(tr("Service status"), true),
1121                NetworkItem::escapeHTML(_ircUser->suserHost()),
1122                !_ircUser->suserHost().isEmpty());
1123     }
1124
1125     // Keep track of whether or not the account information's been added.  Don't show it twice.
1126     bool accountAdded = false;
1127     if(!_ircUser->account().isEmpty()) {
1128         // IRCv3 account-notify is supported by the core and IRC server.
1129         // Assume logged out (seems to be more common)
1130         QString accountHTML = QString("<p class='italic'>%1</p>").arg(tr("Not logged in"));
1131
1132         // If account is logged in, replace with the escaped account name.
1133         if (_ircUser->account() != "*") {
1134             accountHTML = NetworkItem::escapeHTML(_ircUser->account());
1135         }
1136         addRow(NetworkItem::escapeHTML(tr("Account"), true),
1137                accountHTML,
1138                true);
1139         // Mark the row as added
1140         accountAdded = true;
1141     }
1142     // whoisServiceReply may return "<nick> is identified for this nick", which should be translated.
1143     // See https://www.alien.net.au/irc/irc2numerics.html
1144     if(_ircUser->whoisServiceReply().endsWith("identified for this nick")) {
1145         addRow(NetworkItem::escapeHTML(tr("Account"), true),
1146                NetworkItem::escapeHTML(tr("Identified for this nick")),
1147                !accountAdded);
1148         // Don't add the account row again if information's already added via account-notify
1149         // Mark the row as added
1150         accountAdded = true;
1151     } else {
1152         addRow(NetworkItem::escapeHTML(tr("Service Reply"), true),
1153                NetworkItem::escapeHTML(_ircUser->whoisServiceReply()),
1154                !_ircUser->whoisServiceReply().isEmpty());
1155     }
1156     addRow(tr("Hostmask"),
1157            NetworkItem::escapeHTML(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1)),
1158            !(_ircUser->hostmask().remove(0, _ircUser->hostmask().indexOf("!") + 1) == "@"));
1159     // ircOperator may contain "is an" or "is a", which should be removed.
1160     addRow(tr("Operator"),
1161            NetworkItem::escapeHTML(_ircUser->ircOperator().replace("is an ", "").replace("is a ", "")),
1162            !_ircUser->ircOperator().isEmpty());
1163
1164     if (_ircUser->idleTime().isValid()) {
1165         QDateTime now = QDateTime::currentDateTime();
1166         QDateTime idle = _ircUser->idleTime();
1167         int idleTime = idle.secsTo(now);
1168         addRow(NetworkItem::escapeHTML(tr("Idling since"), true), secondsToString(idleTime), true);
1169     }
1170
1171     if (_ircUser->loginTime().isValid()) {
1172         addRow(NetworkItem::escapeHTML(tr("Login time"), true), _ircUser->loginTime().toString(), true);
1173     }
1174
1175     addRow(tr("Server"), NetworkItem::escapeHTML(_ircUser->server()), !_ircUser->server().isEmpty());
1176     tooltip << "</table>";
1177
1178     // If no further information found, offer an explanatory message
1179     if (!infoAdded)
1180         tooltip << "<p class='italic'>" << tr("No information available") << "</p>";
1181
1182     tooltip << "</qt>";
1183     return strTooltip;
1184 }
1185
1186 QString IrcUserItem::channelModes() const
1187 {
1188     // IrcUserItems are parented to UserCategoryItem, which are parented to ChannelBufferItem.
1189     // We want the channel buffer item in order to get the channel-specific user modes.
1190     UserCategoryItem *category = qobject_cast<UserCategoryItem *>(parent());
1191     if (!category)
1192         return QString();
1193
1194     ChannelBufferItem *channel = qobject_cast<ChannelBufferItem *>(category->parent());
1195     if (!channel)
1196         return QString();
1197
1198     return channel->nickChannelModes(nickName());
1199 }
1200
1201
1202 /*****************************************
1203  * NetworkModel
1204  *****************************************/
1205 NetworkModel::NetworkModel(QObject *parent)
1206     : TreeModel(NetworkModel::defaultHeader(), parent)
1207 {
1208     connect(this, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
1209         this, SLOT(checkForNewBuffers(const QModelIndex &, int, int)));
1210     connect(this, SIGNAL(rowsAboutToBeRemoved(const QModelIndex &, int, int)),
1211         this, SLOT(checkForRemovedBuffers(const QModelIndex &, int, int)));
1212
1213     BufferSettings defaultSettings;
1214     defaultSettings.notify("UserNoticesTarget", this, SLOT(messageRedirectionSettingsChanged()));
1215     defaultSettings.notify("ServerNoticesTarget", this, SLOT(messageRedirectionSettingsChanged()));
1216     defaultSettings.notify("ErrorMsgsTarget", this, SLOT(messageRedirectionSettingsChanged()));
1217     messageRedirectionSettingsChanged();
1218 }
1219
1220
1221 QList<QVariant> NetworkModel::defaultHeader()
1222 {
1223     QList<QVariant> data;
1224     data << tr("Chat") << tr("Topic") << tr("Nick Count");
1225     return data;
1226 }
1227
1228
1229 bool NetworkModel::isBufferIndex(const QModelIndex &index) const
1230 {
1231     return index.data(NetworkModel::ItemTypeRole) == NetworkModel::BufferItemType;
1232 }
1233
1234
1235 int NetworkModel::networkRow(NetworkId networkId) const
1236 {
1237     NetworkItem *netItem = 0;
1238     for (int i = 0; i < rootItem->childCount(); i++) {
1239         netItem = qobject_cast<NetworkItem *>(rootItem->child(i));
1240         if (!netItem)
1241             continue;
1242         if (netItem->networkId() == networkId)
1243             return i;
1244     }
1245     return -1;
1246 }
1247
1248
1249 QModelIndex NetworkModel::networkIndex(NetworkId networkId)
1250 {
1251     int netRow = networkRow(networkId);
1252     if (netRow == -1)
1253         return QModelIndex();
1254     else
1255         return indexByItem(qobject_cast<NetworkItem *>(rootItem->child(netRow)));
1256 }
1257
1258
1259 NetworkItem *NetworkModel::findNetworkItem(NetworkId networkId) const
1260 {
1261     int netRow = networkRow(networkId);
1262     if (netRow == -1)
1263         return 0;
1264     else
1265         return qobject_cast<NetworkItem *>(rootItem->child(netRow));
1266 }
1267
1268
1269 NetworkItem *NetworkModel::networkItem(NetworkId networkId)
1270 {
1271     NetworkItem *netItem = findNetworkItem(networkId);
1272
1273     if (netItem == 0) {
1274         netItem = new NetworkItem(networkId, rootItem);
1275         rootItem->newChild(netItem);
1276     }
1277     return netItem;
1278 }
1279
1280
1281 void NetworkModel::networkRemoved(const NetworkId &networkId)
1282 {
1283     int netRow = networkRow(networkId);
1284     if (netRow != -1) {
1285         rootItem->removeChild(netRow);
1286     }
1287 }
1288
1289
1290 QModelIndex NetworkModel::bufferIndex(BufferId bufferId)
1291 {
1292     if (!_bufferItemCache.contains(bufferId))
1293         return QModelIndex();
1294
1295     return indexByItem(_bufferItemCache[bufferId]);
1296 }
1297
1298
1299 BufferItem *NetworkModel::findBufferItem(BufferId bufferId) const
1300 {
1301     if (_bufferItemCache.contains(bufferId))
1302         return _bufferItemCache[bufferId];
1303     else
1304         return 0;
1305 }
1306
1307
1308 BufferItem *NetworkModel::bufferItem(const BufferInfo &bufferInfo)
1309 {
1310     if (_bufferItemCache.contains(bufferInfo.bufferId()))
1311         return _bufferItemCache[bufferInfo.bufferId()];
1312
1313     NetworkItem *netItem = networkItem(bufferInfo.networkId());
1314     return netItem->bufferItem(bufferInfo);
1315 }
1316
1317
1318 QStringList NetworkModel::mimeTypes() const
1319 {
1320     // mimetypes we accept for drops
1321     QStringList types;
1322     // comma separated list of colon separated pairs of networkid and bufferid
1323     // example: 0:1,0:2,1:4
1324     types << "application/Quassel/BufferItemList";
1325     return types;
1326 }
1327
1328
1329 bool NetworkModel::mimeContainsBufferList(const QMimeData *mimeData)
1330 {
1331     return mimeData->hasFormat("application/Quassel/BufferItemList");
1332 }
1333
1334
1335 QList<QPair<NetworkId, BufferId> > NetworkModel::mimeDataToBufferList(const QMimeData *mimeData)
1336 {
1337     QList<QPair<NetworkId, BufferId> > bufferList;
1338
1339     if (!mimeContainsBufferList(mimeData))
1340         return bufferList;
1341
1342     QStringList rawBufferList = QString::fromLatin1(mimeData->data("application/Quassel/BufferItemList")).split(",");
1343     NetworkId networkId;
1344     BufferId bufferUid;
1345     foreach(QString rawBuffer, rawBufferList) {
1346         if (!rawBuffer.contains(":"))
1347             continue;
1348         networkId = rawBuffer.section(":", 0, 0).toInt();
1349         bufferUid = rawBuffer.section(":", 1, 1).toInt();
1350         bufferList.append(qMakePair(networkId, bufferUid));
1351     }
1352     return bufferList;
1353 }
1354
1355
1356 QMimeData *NetworkModel::mimeData(const QModelIndexList &indexes) const
1357 {
1358     QMimeData *mimeData = new QMimeData();
1359
1360     QStringList bufferlist;
1361     QString netid, uid, bufferid;
1362     foreach(QModelIndex index, indexes) {
1363         netid = QString::number(index.data(NetworkIdRole).value<NetworkId>().toInt());
1364         uid = QString::number(index.data(BufferIdRole).value<BufferId>().toInt());
1365         bufferid = QString("%1:%2").arg(netid).arg(uid);
1366         if (!bufferlist.contains(bufferid))
1367             bufferlist << bufferid;
1368     }
1369
1370     mimeData->setData("application/Quassel/BufferItemList", bufferlist.join(",").toLatin1());
1371
1372     return mimeData;
1373 }
1374
1375
1376 void NetworkModel::attachNetwork(Network *net)
1377 {
1378     NetworkItem *netItem = networkItem(net->networkId());
1379     netItem->attachNetwork(net);
1380 }
1381
1382
1383 void NetworkModel::bufferUpdated(BufferInfo bufferInfo)
1384 {
1385     BufferItem *bufItem = bufferItem(bufferInfo);
1386     QModelIndex itemindex = indexByItem(bufItem);
1387     emit dataChanged(itemindex, itemindex);
1388 }
1389
1390
1391 void NetworkModel::removeBuffer(BufferId bufferId)
1392 {
1393     BufferItem *buffItem = findBufferItem(bufferId);
1394     if (!buffItem)
1395         return;
1396
1397     buffItem->parent()->removeChild(buffItem);
1398 }
1399
1400
1401 MsgId NetworkModel::lastSeenMsgId(BufferId bufferId) const
1402 {
1403     if (!_bufferItemCache.contains(bufferId))
1404         return MsgId();
1405
1406     return _bufferItemCache[bufferId]->lastSeenMsgId();
1407 }
1408
1409
1410 MsgId NetworkModel::markerLineMsgId(BufferId bufferId) const
1411 {
1412     if (!_bufferItemCache.contains(bufferId))
1413         return MsgId();
1414
1415     return _bufferItemCache[bufferId]->markerLineMsgId();
1416 }
1417
1418
1419 // FIXME we always seem to use this (expensive) non-const version
1420 MsgId NetworkModel::lastSeenMsgId(const BufferId &bufferId)
1421 {
1422     BufferItem *bufferItem = findBufferItem(bufferId);
1423     if (!bufferItem) {
1424         qDebug() << "NetworkModel::lastSeenMsgId(): buffer is unknown:" << bufferId;
1425         Client::purgeKnownBufferIds();
1426         return MsgId();
1427     }
1428     return bufferItem->lastSeenMsgId();
1429 }
1430
1431
1432 void NetworkModel::setLastSeenMsgId(const BufferId &bufferId, const MsgId &msgId)
1433 {
1434     BufferItem *bufferItem = findBufferItem(bufferId);
1435     if (!bufferItem) {
1436         qDebug() << "NetworkModel::setLastSeenMsgId(): buffer is unknown:" << bufferId;
1437         Client::purgeKnownBufferIds();
1438         return;
1439     }
1440     bufferItem->setLastSeenMsgId(msgId);
1441     emit lastSeenMsgSet(bufferId, msgId);
1442 }
1443
1444
1445 void NetworkModel::setMarkerLineMsgId(const BufferId &bufferId, const MsgId &msgId)
1446 {
1447     BufferItem *bufferItem = findBufferItem(bufferId);
1448     if (!bufferItem) {
1449         qDebug() << "NetworkModel::setMarkerLineMsgId(): buffer is unknown:" << bufferId;
1450         Client::purgeKnownBufferIds();
1451         return;
1452     }
1453     bufferItem->setMarkerLineMsgId(msgId);
1454     emit markerLineSet(bufferId, msgId);
1455 }
1456
1457
1458 void NetworkModel::updateBufferActivity(Message &msg)
1459 {
1460     int redirectionTarget = 0;
1461     switch (msg.type()) {
1462     case Message::Notice:
1463         if (bufferType(msg.bufferId()) != BufferInfo::ChannelBuffer) {
1464             msg.setFlags(msg.flags() | Message::Redirected);
1465             if (msg.flags() & Message::ServerMsg) {
1466                 // server notice
1467                 redirectionTarget = _serverNoticesTarget;
1468             }
1469             else {
1470                 redirectionTarget = _userNoticesTarget;
1471             }
1472         }
1473         break;
1474     case Message::Error:
1475         msg.setFlags(msg.flags() | Message::Redirected);
1476         redirectionTarget = _errorMsgsTarget;
1477         break;
1478     // Update IrcUser's last activity
1479     case Message::Plain:
1480     case Message::Action:
1481         if (bufferType(msg.bufferId()) == BufferInfo::ChannelBuffer) {
1482             const Network *net = Client::network(msg.bufferInfo().networkId());
1483             IrcUser *user = net ? net->ircUser(nickFromMask(msg.sender())) : 0;
1484             if (user)
1485                 user->setLastChannelActivity(msg.bufferId(), msg.timestamp());
1486         }
1487         break;
1488     default:
1489         break;
1490     }
1491
1492     if (msg.flags() & Message::Redirected) {
1493         if (redirectionTarget & BufferSettings::DefaultBuffer)
1494             updateBufferActivity(bufferItem(msg.bufferInfo()), msg);
1495
1496         if (redirectionTarget & BufferSettings::StatusBuffer) {
1497             const NetworkItem *netItem = findNetworkItem(msg.bufferInfo().networkId());
1498             if (netItem) {
1499                 updateBufferActivity(netItem->statusBufferItem(), msg);
1500             }
1501         }
1502     }
1503     else {
1504         if ((BufferSettings(msg.bufferId()).messageFilter() & msg.type()) != msg.type())
1505             updateBufferActivity(bufferItem(msg.bufferInfo()), msg);
1506     }
1507 }
1508
1509
1510 void NetworkModel::updateBufferActivity(BufferItem *bufferItem, const Message &msg)
1511 {
1512     if (!bufferItem)
1513         return;
1514
1515     bufferItem->updateActivityLevel(msg);
1516     if (bufferItem->isCurrentBuffer())
1517         emit requestSetLastSeenMsg(bufferItem->bufferId(), msg.msgId());
1518 }
1519
1520
1521 void NetworkModel::setBufferActivity(const BufferId &bufferId, BufferInfo::ActivityLevel level)
1522 {
1523     BufferItem *bufferItem = findBufferItem(bufferId);
1524     if (!bufferItem) {
1525         qDebug() << "NetworkModel::setBufferActivity(): buffer is unknown:" << bufferId;
1526         return;
1527     }
1528     bufferItem->setActivityLevel(level);
1529 }
1530
1531
1532 void NetworkModel::clearBufferActivity(const BufferId &bufferId)
1533 {
1534     BufferItem *bufferItem = findBufferItem(bufferId);
1535     if (!bufferItem) {
1536         qDebug() << "NetworkModel::clearBufferActivity(): buffer is unknown:" << bufferId;
1537         return;
1538     }
1539     bufferItem->clearActivityLevel();
1540 }
1541
1542
1543 const Network *NetworkModel::networkByIndex(const QModelIndex &index) const
1544 {
1545     QVariant netVariant = index.data(NetworkIdRole);
1546     if (!netVariant.isValid())
1547         return 0;
1548
1549     NetworkId networkId = netVariant.value<NetworkId>();
1550     return Client::network(networkId);
1551 }
1552
1553
1554 void NetworkModel::checkForRemovedBuffers(const QModelIndex &parent, int start, int end)
1555 {
1556     if (parent.data(ItemTypeRole) != NetworkItemType)
1557         return;
1558
1559     for (int row = start; row <= end; row++) {
1560         _bufferItemCache.remove(parent.child(row, 0).data(BufferIdRole).value<BufferId>());
1561     }
1562 }
1563
1564
1565 void NetworkModel::checkForNewBuffers(const QModelIndex &parent, int start, int end)
1566 {
1567     if (parent.data(ItemTypeRole) != NetworkItemType)
1568         return;
1569
1570     for (int row = start; row <= end; row++) {
1571         QModelIndex child = parent.child(row, 0);
1572         _bufferItemCache[child.data(BufferIdRole).value < BufferId > ()] = static_cast<BufferItem *>(child.internalPointer());
1573     }
1574 }
1575
1576
1577 QString NetworkModel::bufferName(BufferId bufferId) const
1578 {
1579     if (!_bufferItemCache.contains(bufferId))
1580         return QString();
1581
1582     return _bufferItemCache[bufferId]->bufferName();
1583 }
1584
1585
1586 BufferInfo::Type NetworkModel::bufferType(BufferId bufferId) const
1587 {
1588     if (!_bufferItemCache.contains(bufferId))
1589         return BufferInfo::InvalidBuffer;
1590
1591     return _bufferItemCache[bufferId]->bufferType();
1592 }
1593
1594
1595 BufferInfo NetworkModel::bufferInfo(BufferId bufferId) const
1596 {
1597     if (!_bufferItemCache.contains(bufferId))
1598         return BufferInfo();
1599
1600     return _bufferItemCache[bufferId]->bufferInfo();
1601 }
1602
1603
1604 NetworkId NetworkModel::networkId(BufferId bufferId) const
1605 {
1606     if (!_bufferItemCache.contains(bufferId))
1607         return NetworkId();
1608
1609     NetworkItem *netItem = qobject_cast<NetworkItem *>(_bufferItemCache[bufferId]->parent());
1610     if (netItem)
1611         return netItem->networkId();
1612     else
1613         return NetworkId();
1614 }
1615
1616
1617 QString NetworkModel::networkName(BufferId bufferId) const
1618 {
1619     if (!_bufferItemCache.contains(bufferId))
1620         return QString();
1621
1622     NetworkItem *netItem = qobject_cast<NetworkItem *>(_bufferItemCache[bufferId]->parent());
1623     if (netItem)
1624         return netItem->networkName();
1625     else
1626         return QString();
1627 }
1628
1629
1630 BufferId NetworkModel::bufferId(NetworkId networkId, const QString &bufferName, Qt::CaseSensitivity cs) const
1631 {
1632     const NetworkItem *netItem = findNetworkItem(networkId);
1633     if (!netItem)
1634         return BufferId();
1635
1636     for (int i = 0; i < netItem->childCount(); i++) {
1637         BufferItem *bufferItem = qobject_cast<BufferItem *>(netItem->child(i));
1638         if (bufferItem && !bufferItem->bufferName().compare(bufferName, cs))
1639             return bufferItem->bufferId();
1640     }
1641     return BufferId();
1642 }
1643
1644
1645 void NetworkModel::sortBufferIds(QList<BufferId> &bufferIds) const
1646 {
1647     QList<BufferItem *> bufferItems;
1648     foreach(BufferId bufferId, bufferIds) {
1649         if (_bufferItemCache.contains(bufferId))
1650             bufferItems << _bufferItemCache[bufferId];
1651     }
1652
1653     qSort(bufferItems.begin(), bufferItems.end(), bufferItemLessThan);
1654
1655     bufferIds.clear();
1656     foreach(BufferItem *bufferItem, bufferItems) {
1657         bufferIds << bufferItem->bufferId();
1658     }
1659 }
1660
1661
1662 QList<BufferId> NetworkModel::allBufferIdsSorted() const
1663 {
1664     QList<BufferId> bufferIds = allBufferIds();
1665     sortBufferIds(bufferIds);
1666     return bufferIds;
1667 }
1668
1669
1670 bool NetworkModel::bufferItemLessThan(const BufferItem *left, const BufferItem *right)
1671 {
1672     int leftType = left->bufferType();
1673     int rightType = right->bufferType();
1674
1675     if (leftType != rightType)
1676         return leftType < rightType;
1677     else
1678         return QString::compare(left->bufferName(), right->bufferName(), Qt::CaseInsensitive) < 0;
1679 }
1680
1681
1682 void NetworkModel::messageRedirectionSettingsChanged()
1683 {
1684     BufferSettings bufferSettings;
1685
1686     _userNoticesTarget = bufferSettings.userNoticesTarget();
1687     _serverNoticesTarget = bufferSettings.serverNoticesTarget();
1688     _errorMsgsTarget = bufferSettings.errorMsgsTarget();
1689 }