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  *                                                                         *
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  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 "buffermodel.h"
  26 #include "client.h"
  27 #include "networkmodel.h"
  28
  29 #include "uisettings.h"
  30
  31 /*****************************************
  32 * The Filter for the Tree View
  33 *****************************************/
  34 BufferViewFilter::BufferViewFilter(QAbstractItemModel *model, BufferViewConfig *config)
  35   : QSortFilterProxyModel(model),
  36     _config(0)
  37 {
  38   setConfig(config);
  39   setSourceModel(model);
  40   connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)), this, SLOT(source_rowsInserted(const QModelIndex &, int, int)));
  41
  42   setDynamicSortFilter(true);
  43 }
  44
  45 void BufferViewFilter::setConfig(BufferViewConfig *config) {
  46   if(_config == config)
  47     return;
  48
  49   if(_config) {
  50     disconnect(_config, 0, this, 0);
  51   }
  52
  53   _config = config;
  54   if(config) {
  55     connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(invalidate()));
  56     connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(invalidate()));
  57     connect(config, SIGNAL(addNewBuffersAutomaticallySet(bool)), this, SLOT(invalidate()));
  58     connect(config, SIGNAL(sortAlphabeticallySet(bool)), this, SLOT(invalidate()));
  59     connect(config, SIGNAL(hideInactiveBuffersSet(bool)), this, SLOT(invalidate()));
  60     connect(config, SIGNAL(allowedBufferTypesSet(int)), this, SLOT(invalidate()));
  61     connect(config, SIGNAL(minimumActivitySet(int)), this, SLOT(invalidate()));
  62     connect(config, SIGNAL(bufferListSet()), this, SLOT(invalidate()));
  63     connect(config, SIGNAL(bufferAdded(const BufferId &, int)), this, SLOT(invalidate()));
  64     connect(config, SIGNAL(bufferMoved(const BufferId &, int)), this, SLOT(invalidate()));
  65     connect(config, SIGNAL(bufferRemoved(const BufferId &)), this, SLOT(invalidate()));
  66   }
  67   invalidate();
  68 }
  69
  70 Qt::ItemFlags BufferViewFilter::flags(const QModelIndex &index) const {
  71   Qt::ItemFlags flags = mapToSource(index).flags();
  72   if(_config && index == QModelIndex() || index.parent() == QModelIndex())
  73     flags |= Qt::ItemIsDropEnabled;
  74   return flags;
  75 }
  76
  77 bool BufferViewFilter::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) {
  78   if(!config() || !NetworkModel::mimeContainsBufferList(data))
  79     return QSortFilterProxyModel::dropMimeData(data, action, row, column, parent);
  80
  81   NetworkId droppedNetworkId;
  82   if(parent.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType)
  83     droppedNetworkId = parent.data(NetworkModel::NetworkIdRole).value<NetworkId>();
  84
  85   QList< QPair<NetworkId, BufferId> > bufferList = NetworkModel::mimeDataToBufferList(data);
  86   BufferId bufferId;
  87   NetworkId networkId;
  88   int pos;
  89   for(int i = 0; i < bufferList.count(); i++) {
  90     networkId = bufferList[i].first;
  91     bufferId = bufferList[i].second;
  92     if(droppedNetworkId == networkId) {
  93       if(row < 0)
  94         row = 0;
  95       if(row < rowCount(parent)) {
  96         BufferId beforeBufferId = parent.child(row, 0).data(NetworkModel::BufferIdRole).value<BufferId>();
  97         pos = config()->bufferList().indexOf(beforeBufferId);
  98       } else {
  99         pos = config()->bufferList().count();
 100       }
 101
 102       if(config()->bufferList().contains(bufferId)) {
 103         if(config()->bufferList().indexOf(bufferId) < pos)
 104           pos--;
 105         config()->requestMoveBuffer(bufferId, pos);
 106       } else {
 107         config()->requestAddBuffer(bufferId, pos);
 108       }
 109
 110     } else {
 111       addBuffer(bufferId);
 112     }
 113   }
 114   return true;
 115 }
 116
 117 void BufferViewFilter::addBuffer(const BufferId &bufferId) {
 118   if(!config() || config()->bufferList().contains(bufferId))
 119     return;
 120
 121   int pos = config()->bufferList().count();
 122   bool lt;
 123   for(int i = 0; i < config()->bufferList().count(); i++) {
 124     if(config() && config()->sortAlphabetically())
 125       lt = bufferIdLessThan(bufferId, config()->bufferList()[i]);
 126     else
 127       lt = bufferId < config()->bufferList()[i];
 128
 129     if(lt) {
 130       pos = i;
 131       break;
 132     }
 133   }
 134   config()->requestAddBuffer(bufferId, pos);
 135 }
 136
 137 void BufferViewFilter::removeBuffer(const QModelIndex &index) {
 138   if(!config())
 139     return;
 140
 141   BufferId bufferId = data(index, NetworkModel::BufferIdRole).value<BufferId>();
 142   config()->requestRemoveBuffer(bufferId);
 143 }
 144
 145
 146 bool BufferViewFilter::filterAcceptBuffer(const QModelIndex &source_bufferIndex) const {
 147   if(!_config)
 148     return true;
 149
 150   if(config()->networkId().isValid() && config()->networkId() != sourceModel()->data(source_bufferIndex, NetworkModel::NetworkIdRole).value<NetworkId>())
 151     return false;
 152
 153   if(!(_config->allowedBufferTypes() & (BufferInfo::Type)source_bufferIndex.data(NetworkModel::BufferTypeRole).toInt()))
 154     return false;
 155
 156   if(_config->hideInactiveBuffers() && !source_bufferIndex.data(NetworkModel::ItemActiveRole).toBool())
 157     return false;
 158
 159   if(_config->minimumActivity() > source_bufferIndex.data(NetworkModel::BufferActivityRole).toInt()) {
 160     if(!Client::bufferModel()->standardSelectionModel()->isSelected(source_bufferIndex))
 161       return false;
 162   }
 163
 164   BufferId bufferId = sourceModel()->data(source_bufferIndex, NetworkModel::BufferIdRole).value<BufferId>();
 165   return _config->bufferList().contains(bufferId);
 166 }
 167
 168 bool BufferViewFilter::filterAcceptNetwork(const QModelIndex &source_index) const {
 169   if(!config())
 170     return true;
 171
 172   if(!config()->networkId().isValid()) {
 173     return true;
 174   } else {
 175     return config()->networkId() == sourceModel()->data(source_index, NetworkModel::NetworkIdRole).value<NetworkId>();
 176   }
 177 }
 178
 179 bool BufferViewFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const {
 180   QModelIndex child = sourceModel()->index(source_row, 0, source_parent);
 181
 182   if(!child.isValid()) {
 183     qWarning() << "filterAcceptsRow has been called with an invalid Child";
 184     return false;
 185   }
 186
 187   if(source_parent == QModelIndex())
 188     return filterAcceptNetwork(child);
 189   else
 190     return filterAcceptBuffer(child);
 191 }
 192
 193 bool BufferViewFilter::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
 194   int itemType = sourceModel()->data(source_left, NetworkModel::ItemTypeRole).toInt();
 195   switch(itemType) {
 196   case NetworkModel::NetworkItemType:
 197     return networkLessThan(source_left, source_right);
 198   case NetworkModel::BufferItemType:
 199     return bufferLessThan(source_left, source_right);
 200   default:
 201     return QSortFilterProxyModel::lessThan(source_left, source_right);
 202   }
 203 }
 204
 205 bool BufferViewFilter::bufferLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
 206   BufferId leftBufferId = sourceModel()->data(source_left, NetworkModel::BufferIdRole).value<BufferId>();
 207   BufferId rightBufferId = sourceModel()->data(source_right, NetworkModel::BufferIdRole).value<BufferId>();
 208   if(config()) {
 209     return config()->bufferList().indexOf(leftBufferId) < config()->bufferList().indexOf(rightBufferId);
 210   } else
 211     return bufferIdLessThan(leftBufferId, rightBufferId);
 212 }
 213
 214 bool BufferViewFilter::networkLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
 215   NetworkId leftNetworkId = sourceModel()->data(source_left, NetworkModel::NetworkIdRole).value<NetworkId>();
 216   NetworkId rightNetworkId = sourceModel()->data(source_right, NetworkModel::NetworkIdRole).value<NetworkId>();
 217
 218   if(config() && config()->sortAlphabetically())
 219     return QSortFilterProxyModel::lessThan(source_left, source_right);
 220   else
 221     return leftNetworkId < rightNetworkId;
 222 }
 223
 224 QVariant BufferViewFilter::data(const QModelIndex &index, int role) const {
 225   if(role == Qt::ForegroundRole)
 226     return foreground(index);
 227   else
 228     return QSortFilterProxyModel::data(index, role);
 229 }
 230
 231 QVariant BufferViewFilter::foreground(const QModelIndex &index) const {
 232   UiSettings s("QtUi/Colors");
 233   QVariant inactiveActivity = s.value("inactiveActivityFG", QVariant(QColor(Qt::gray)));
 234   QVariant noActivity = s.value("noActivityFG", QVariant(QColor(Qt::black)));
 235   QVariant highlightActivity = s.value("highlightActivityFG", QVariant(QColor(Qt::magenta)));
 236   QVariant newMessageActivity = s.value("newMessageActivityFG", QVariant(QColor(Qt::green)));
 237   QVariant otherActivity = s.value("otherActivityFG", QVariant(QColor(Qt::darkGreen)));
 238
 239   if(!index.data(NetworkModel::ItemActiveRole).toBool())
 240     return inactiveActivity;
 241
 242   Buffer::ActivityLevel activity = (Buffer::ActivityLevel)index.data(NetworkModel::BufferActivityRole).toInt();
 243
 244   if(activity & Buffer::Highlight)
 245     return highlightActivity;
 246   if(activity & Buffer::NewMessage)
 247     return newMessageActivity;
 248   if(activity & Buffer::OtherActivity)
 249     return otherActivity;
 250
 251   return noActivity;
 252
 253 }
 254
 255 void BufferViewFilter::source_rowsInserted(const QModelIndex &parent, int start, int end) {
 256   if(parent.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
 257     return;
 258
 259   if(!config() || !config()->addNewBuffersAutomatically())
 260     return;
 261
 262   QModelIndex child;
 263   for(int row = start; row <= end; row++) {
 264     child = sourceModel()->index(row, 0, parent);
 265     addBuffer(sourceModel()->data(child, NetworkModel::BufferIdRole).value<BufferId>());
 266   }
 267 }
 268
 269 // ******************************
 270 //  Helper
 271 // ******************************
 272 bool bufferIdLessThan(const BufferId &left, const BufferId &right) {
 273   Q_CHECK_PTR(Client::networkModel());
 274   if(!Client::networkModel())
 275     return true;
 276
 277   QModelIndex leftIndex = Client::networkModel()->bufferIndex(left);
 278   QModelIndex rightIndex = Client::networkModel()->bufferIndex(right);
 279
 280   int leftType = Client::networkModel()->data(leftIndex, NetworkModel::BufferTypeRole).toInt();
 281   int rightType = Client::networkModel()->data(rightIndex, NetworkModel::BufferTypeRole).toInt();
 282
 283   if(leftType != rightType)
 284     return leftType < rightType;
 285   else
 286     return QString::compare(Client::networkModel()->data(leftIndex, Qt::DisplayRole).toString(), Client::networkModel()->data(rightIndex, Qt::DisplayRole).toString(), Qt::CaseInsensitive) < 0;
 287 }
 288