src/uisupport/bufferviewfilter.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 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  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "bufferviewfilter.h"
  22
  23 #include <QColor>
  24
  25 #include "client.h"
  26 #include "networkmodel.h"
  27
  28 #include "uisettings.h"
  29
  30 /*****************************************
  31 * The Filter for the Tree View
  32 *****************************************/
  33 BufferViewFilter::BufferViewFilter(QAbstractItemModel *model, BufferViewConfig *config)
  34   : QSortFilterProxyModel(model),
  35     _config(0)
  36 {
  37   setConfig(config);
  38   setSourceModel(model);
  39   // setSortCaseSensitivity(Qt::CaseInsensitive);
  40   setDynamicSortFilter(true);
  41 }
  42
  43 void BufferViewFilter::setConfig(BufferViewConfig *config) {
  44   if(_config == config)
  45     return;
  46
  47   if(_config) {
  48     disconnect(_config, 0, this, 0);
  49   }
  50
  51   _config = config;
  52   if(config) {
  53     connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(invalidate()));
  54     connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(invalidate()));
  55     connect(config, SIGNAL(addNewBuffersAutomaticallySet(bool)), this, SLOT(invalidate()));
  56     connect(config, SIGNAL(sortAlphabeticallySet(bool)), this, SLOT(invalidate()));
  57     connect(config, SIGNAL(hideInactiveBuffersSet(bool)), this, SLOT(invalidate()));
  58     connect(config, SIGNAL(allowedBufferTypesSet(int)), this, SLOT(invalidate()));
  59     connect(config, SIGNAL(minimumActivitySet(int)), this, SLOT(invalidate()));
  60     connect(config, SIGNAL(bufferListSet()), this, SLOT(invalidate()));
  61     connect(config, SIGNAL(bufferAdded(const BufferId &, int)), this, SLOT(invalidate()));
  62     connect(config, SIGNAL(bufferMoved(const BufferId &, int)), this, SLOT(invalidate()));
  63     connect(config, SIGNAL(bufferRemoved(const BufferId &)), this, SLOT(invalidate()));
  64   }
  65   invalidate();
  66 }
  67
  68 Qt::ItemFlags BufferViewFilter::flags(const QModelIndex &index) const {
  69   Qt::ItemFlags flags = mapToSource(index).flags();
  70   if(_config && index == QModelIndex() || index.parent() == QModelIndex())
  71     flags |= Qt::ItemIsDropEnabled;
  72   return flags;
  73 }
  74
  75 bool BufferViewFilter::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) {
  76   if(!config() || !NetworkModel::mimeContainsBufferList(data))
  77     return QSortFilterProxyModel::dropMimeData(data, action, row, column, parent);
  78
  79   NetworkId droppedNetworkId;
  80   if(parent.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType)
  81     droppedNetworkId = parent.data(NetworkModel::NetworkIdRole).value<NetworkId>();
  82
  83   QList< QPair<NetworkId, BufferId> > bufferList = NetworkModel::mimeDataToBufferList(data);
  84   BufferId bufferId;
  85   NetworkId networkId;
  86   int pos;
  87   for(int i = 0; i < bufferList.count(); i++) {
  88     networkId = bufferList[i].first;
  89     bufferId = bufferList[i].second;
  90     if(droppedNetworkId == networkId) {
  91       if(row < rowCount(parent)) {
  92         BufferId beforeBufferId = parent.child(row, 0).data(NetworkModel::BufferIdRole).value<BufferId>();
  93         pos = config()->bufferList().indexOf(beforeBufferId);
  94       } else {
  95         pos = config()->bufferList().count();
  96       }
  97
  98       if(config()->bufferList().contains(bufferId)) {
  99         if(config()->bufferList().indexOf(bufferId) < pos)
 100           pos--;
 101         config()->requestMoveBuffer(bufferId, pos);
 102       } else {
 103         config()->requestAddBuffer(bufferId, pos);
 104       }
 105
 106     } else {
 107       addBuffer(bufferId);
 108     }
 109   }
 110   return true;
 111 }
 112
 113 void BufferViewFilter::addBuffer(const BufferId &bufferId) {
 114   if(config()->bufferList().contains(bufferId))
 115     return;
 116
 117   int pos = config()->bufferList().count();
 118   bool lt;
 119   for(int i = 0; i < config()->bufferList().count(); i++) {
 120     if(config() && config()->sortAlphabetically())
 121       lt = bufferIdLessThan(bufferId, config()->bufferList()[i]);
 122     else
 123       lt = bufferId < config()->bufferList()[i];
 124
 125     if(lt) {
 126       pos = i;
 127       break;
 128     }
 129   }
 130   config()->requestAddBuffer(bufferId, pos);
 131 }
 132
 133 void BufferViewFilter::removeBuffer(const QModelIndex &index) {
 134   if(!config())
 135     return;
 136
 137   BufferId bufferId = data(index, NetworkModel::BufferIdRole).value<BufferId>();
 138   config()->requestRemoveBuffer(bufferId);
 139 }
 140
 141
 142 bool BufferViewFilter::filterAcceptBuffer(const QModelIndex &source_bufferIndex) const {
 143   if(!_config)
 144     return true;
 145
 146   if(!(_config->allowedBufferTypes() & (BufferInfo::Type)source_bufferIndex.data(NetworkModel::BufferTypeRole).toInt()))
 147     return false;
 148
 149   if(_config->hideInactiveBuffers() && !source_bufferIndex.data(NetworkModel::ItemActiveRole).toBool())
 150     return false;
 151
 152    if(_config->minimumActivity() > source_bufferIndex.data(NetworkModel::BufferActivityRole).toInt())
 153     return false;
 154
 155    BufferId bufferId = sourceModel()->data(source_bufferIndex, NetworkModel::BufferIdRole).value<BufferId>();
 156    return _config->bufferList().contains(bufferId);
 157 }
 158
 159 bool BufferViewFilter::filterAcceptNetwork(const QModelIndex &source_index) const {
 160   if(!config())
 161     return true;
 162
 163   if(!config()->networkId().isValid()) {
 164     return true;
 165   } else {
 166     return config()->networkId() == sourceModel()->data(source_index, NetworkModel::NetworkIdRole).value<NetworkId>();
 167   }
 168 }
 169
 170 bool BufferViewFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const {
 171   QModelIndex child = sourceModel()->index(source_row, 0, source_parent);
 172
 173   if(!child.isValid()) {
 174     qWarning() << "filterAcceptsRow has been called with an invalid Child";
 175     return false;
 176   }
 177
 178   if(source_parent == QModelIndex())
 179     return filterAcceptNetwork(child);
 180   else
 181     return filterAcceptBuffer(child);
 182 }
 183
 184 bool BufferViewFilter::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
 185   int itemType = sourceModel()->data(source_left, NetworkModel::ItemTypeRole).toInt();
 186   switch(itemType) {
 187   case NetworkModel::NetworkItemType:
 188     return networkLessThan(source_left, source_right);
 189   case NetworkModel::BufferItemType:
 190     return bufferLessThan(source_left, source_right);
 191   default:
 192     return QSortFilterProxyModel::lessThan(source_left, source_right);
 193   }
 194 }
 195
 196 bool BufferViewFilter::bufferLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
 197   BufferId leftBufferId = sourceModel()->data(source_left, NetworkModel::BufferIdRole).value<BufferId>();
 198   BufferId rightBufferId = sourceModel()->data(source_right, NetworkModel::BufferIdRole).value<BufferId>();
 199   if(config()) {
 200     return config()->bufferList().indexOf(leftBufferId) < config()->bufferList().indexOf(rightBufferId);
 201   } else
 202     return leftBufferId < rightBufferId;
 203 }
 204
 205 bool BufferViewFilter::networkLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
 206   NetworkId leftNetworkId = sourceModel()->data(source_left, NetworkModel::NetworkIdRole).value<NetworkId>();
 207   NetworkId rightNetworkId = sourceModel()->data(source_right, NetworkModel::NetworkIdRole).value<NetworkId>();
 208
 209   if(config() && config()->sortAlphabetically())
 210     return QSortFilterProxyModel::lessThan(source_left, source_right);
 211   else
 212     return leftNetworkId < rightNetworkId;
 213 }
 214
 215 QVariant BufferViewFilter::data(const QModelIndex &index, int role) const {
 216   if(role == Qt::ForegroundRole)
 217     return foreground(index);
 218   else
 219     return QSortFilterProxyModel::data(index, role);
 220 }
 221
 222 QVariant BufferViewFilter::foreground(const QModelIndex &index) const {
 223   UiSettings s("QtUi/Colors");
 224   QVariant inactiveActivity = s.value("inactiveActivityFG", QVariant(QColor(Qt::gray)));
 225   QVariant noActivity = s.value("noActivityFG", QVariant(QColor(Qt::black)));
 226   QVariant highlightActivity = s.value("highlightActivityFG", QVariant(QColor(Qt::magenta)));
 227   QVariant newMessageActivity = s.value("newMessageActivityFG", QVariant(QColor(Qt::green)));
 228   QVariant otherActivity = s.value("otherActivityFG", QVariant(QColor(Qt::darkGreen)));
 229
 230   if(!index.data(NetworkModel::ItemActiveRole).toBool())
 231     return inactiveActivity;
 232
 233   Buffer::ActivityLevel activity = (Buffer::ActivityLevel)index.data(NetworkModel::BufferActivityRole).toInt();
 234
 235   if(activity & Buffer::Highlight)
 236     return highlightActivity;
 237   if(activity & Buffer::NewMessage)
 238     return newMessageActivity;
 239   if(activity & Buffer::OtherActivity)
 240     return otherActivity;
 241
 242   return noActivity;
 243
 244 }
 245
 246
 247 // ******************************
 248 //  Helper
 249 // ******************************
 250 bool bufferIdLessThan(const BufferId &left, const BufferId &right) {
 251   Q_CHECK_PTR(Client::networkModel());
 252   if(!Client::networkModel())
 253     return true;
 254
 255   QModelIndex leftIndex = Client::networkModel()->bufferIndex(left);
 256   QModelIndex rightIndex = Client::networkModel()->bufferIndex(right);
 257
 258   int leftType = Client::networkModel()->data(leftIndex, NetworkModel::BufferTypeRole).toInt();
 259   int rightType = Client::networkModel()->data(rightIndex, NetworkModel::BufferTypeRole).toInt();
 260
 261   if(leftType != rightType)
 262     return leftType < rightType;
 263   else
 264     return Client::networkModel()->data(leftIndex, Qt::DisplayRole).toString() < Client::networkModel()->data(rightIndex, Qt::DisplayRole).toString();
 265 }
 266