src/client/buffermodel.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-09 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  *                                                                         *
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  19  ***************************************************************************/
  20
  21 #include "buffermodel.h"
  22
  23 #include <QAbstractItemView>
  24
  25 #include "client.h"
  26 #include "networkmodel.h"
  27 #include "quassel.h"
  28
  29 BufferModel::BufferModel(NetworkModel *parent)
  30   : QSortFilterProxyModel(parent),
  31     _selectionModelSynchronizer(this)
  32 {
  33   setSourceModel(parent);
  34   if(Quassel::isOptionSet("debugbufferswitches")) {
  35     connect(_selectionModelSynchronizer.selectionModel(), SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)),
  36             this, SLOT(debug_currentChanged(const QModelIndex &, const QModelIndex &)));
  37   }
  38   connect(Client::instance(), SIGNAL(networkCreated(NetworkId)), this, SLOT(newNetwork(NetworkId)));
  39 }
  40
  41 bool BufferModel::filterAcceptsRow(int sourceRow, const QModelIndex &parent) const {
  42   Q_UNUSED(sourceRow);
  43   // only networks and buffers are allowed
  44   if(!parent.isValid())
  45     return true;
  46   if(parent.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType)
  47     return true;
  48
  49   return false;
  50 }
  51
  52 void BufferModel::newNetwork(NetworkId id) {
  53   const Network *net = Client::network(id);
  54   Q_ASSERT(net);
  55   connect(net, SIGNAL(connectionStateSet(Network::ConnectionState)),
  56           this, SLOT(networkConnectionChanged(Network::ConnectionState)));
  57 }
  58
  59 void BufferModel::networkConnectionChanged(Network::ConnectionState state) {
  60   switch(state) {
  61   case Network::Connecting:
  62   case Network::Initializing:
  63     if(currentIndex().isValid())
  64       return;
  65     {
  66       Network *net = qobject_cast<Network *>(sender());
  67       Q_ASSERT(net);
  68       setCurrentIndex(mapFromSource(Client::networkModel()->networkIndex(net->networkId())));
  69     }
  70     break;
  71   default:
  72     return;
  73   }
  74 }
  75
  76 void BufferModel::synchronizeView(QAbstractItemView *view) {
  77   _selectionModelSynchronizer.synchronizeSelectionModel(view->selectionModel());
  78 }
  79
  80 void BufferModel::setCurrentIndex(const QModelIndex &newCurrent) {
  81   _selectionModelSynchronizer.selectionModel()->setCurrentIndex(newCurrent, QItemSelectionModel::Current);
  82   _selectionModelSynchronizer.selectionModel()->select(newCurrent, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
  83 }
  84
  85 void BufferModel::switchToBuffer(const BufferId &bufferId) {
  86   QModelIndex source_index = Client::networkModel()->bufferIndex(bufferId);
  87   setCurrentIndex(mapFromSource(source_index));
  88 }
  89
  90 void BufferModel::switchToBufferIndex(const QModelIndex &bufferIdx) {
  91   // we accept indexes that directly belong to us or our parent - nothing else
  92   if(bufferIdx.model() == this) {
  93     setCurrentIndex(bufferIdx);
  94     return;
  95   }
  96
  97   if(bufferIdx.model() == sourceModel()) {
  98     setCurrentIndex(mapFromSource(bufferIdx));
  99     return;
 100   }
 101
 102   qWarning() << "BufferModel::switchToBufferIndex(const QModelIndex &):" << bufferIdx << "does not belong to BufferModel or NetworkModel";
 103 }
 104
 105 void BufferModel::debug_currentChanged(QModelIndex current, QModelIndex previous) {
 106   Q_UNUSED(previous);
 107   qDebug() << "Switched current Buffer: " << current << current.data().toString() << "Buffer:" << current.data(NetworkModel::BufferIdRole).value<BufferId>();
 108 }