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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  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "bufferviewfilter.h"
  22
  23 #include "buffermodel.h"
  24 #include "client.h"
  25 #include "networkmodel.h"
  26
  27 #include "uisettings.h"
  28
  29 /*****************************************
  30 * The Filter for the Tree View
  31 *****************************************/
  32 BufferViewFilter::BufferViewFilter(QAbstractItemModel *model, BufferViewConfig *config)
  33   : QSortFilterProxyModel(model),
  34     _config(0)
  35 {
  36   setConfig(config);
  37   setSourceModel(model);
  38   connect(model, SIGNAL(rowsInserted(const QModelIndex &, int, int)), this, SLOT(source_rowsInserted(const QModelIndex &, int, int)));
  39
  40   setDynamicSortFilter(true);
  41
  42   loadColors();
  43 }
  44
  45 void BufferViewFilter::loadColors() {
  46   UiSettings s("QtUi/Colors");
  47   _FgColorInactiveActivity = s.value("inactiveActivityFG", QVariant(QColor(Qt::gray))).value<QColor>();
  48   _FgColorNoActivity = s.value("noActivityFG", QVariant(QColor(Qt::black))).value<QColor>();
  49   _FgColorHighlightActivity = s.value("highlightActivityFG", QVariant(QColor(Qt::magenta))).value<QColor>();
  50   _FgColorNewMessageActivity = s.value("newMessageActivityFG", QVariant(QColor(Qt::green))).value<QColor>();
  51   _FgColorOtherActivity = s.value("otherActivityFG", QVariant(QColor(Qt::darkGreen))).value<QColor>();
  52 }
  53
  54 void BufferViewFilter::setConfig(BufferViewConfig *config) {
  55   if(_config == config)
  56     return;
  57
  58   if(_config) {
  59     disconnect(_config, 0, this, 0);
  60   }
  61
  62   _config = config;
  63   if(config) {
  64     connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(invalidate()));
  65     connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(invalidate()));
  66     connect(config, SIGNAL(addNewBuffersAutomaticallySet(bool)), this, SLOT(invalidate()));
  67     connect(config, SIGNAL(sortAlphabeticallySet(bool)), this, SLOT(invalidate()));
  68     connect(config, SIGNAL(hideInactiveBuffersSet(bool)), this, SLOT(invalidate()));
  69     connect(config, SIGNAL(allowedBufferTypesSet(int)), this, SLOT(invalidate()));
  70     connect(config, SIGNAL(minimumActivitySet(int)), this, SLOT(invalidate()));
  71     connect(config, SIGNAL(bufferListSet()), this, SLOT(invalidate()));
  72     connect(config, SIGNAL(bufferAdded(const BufferId &, int)), this, SLOT(invalidate()));
  73     connect(config, SIGNAL(bufferMoved(const BufferId &, int)), this, SLOT(invalidate()));
  74     connect(config, SIGNAL(bufferRemoved(const BufferId &)), this, SLOT(invalidate()));
  75   }
  76   invalidate();
  77 }
  78
  79 Qt::ItemFlags BufferViewFilter::flags(const QModelIndex &index) const {
  80   Qt::ItemFlags flags = mapToSource(index).flags();
  81   if(_config && index == QModelIndex() || index.parent() == QModelIndex())
  82     flags |= Qt::ItemIsDropEnabled;
  83   return flags;
  84 }
  85
  86 bool BufferViewFilter::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) {
  87   if(!config() || !NetworkModel::mimeContainsBufferList(data))
  88     return QSortFilterProxyModel::dropMimeData(data, action, row, column, parent);
  89
  90   NetworkId droppedNetworkId;
  91   if(parent.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType)
  92     droppedNetworkId = parent.data(NetworkModel::NetworkIdRole).value<NetworkId>();
  93
  94   QList< QPair<NetworkId, BufferId> > bufferList = NetworkModel::mimeDataToBufferList(data);
  95   BufferId bufferId;
  96   NetworkId networkId;
  97   int pos;
  98   for(int i = 0; i < bufferList.count(); i++) {
  99     networkId = bufferList[i].first;
 100     bufferId = bufferList[i].second;
 101     if(droppedNetworkId == networkId) {
 102       if(row < 0)
 103         row = 0;
 104       if(row < rowCount(parent)) {
 105         BufferId beforeBufferId = parent.child(row, 0).data(NetworkModel::BufferIdRole).value<BufferId>();
 106         pos = config()->bufferList().indexOf(beforeBufferId);
 107       } else {
 108         pos = config()->bufferList().count();
 109       }
 110
 111       if(config()->bufferList().contains(bufferId)) {
 112         if(config()->bufferList().indexOf(bufferId) < pos)
 113           pos--;
 114         config()->requestMoveBuffer(bufferId, pos);
 115       } else {
 116         config()->requestAddBuffer(bufferId, pos);
 117       }
 118
 119     } else {
 120       addBuffer(bufferId);
 121     }
 122   }
 123   return true;
 124 }
 125
 126 void BufferViewFilter::addBuffer(const BufferId &bufferId) {
 127   if(!config() || config()->bufferList().contains(bufferId))
 128     return;
 129
 130   int pos = config()->bufferList().count();
 131   bool lt;
 132   for(int i = 0; i < config()->bufferList().count(); i++) {
 133     if(config() && config()->sortAlphabetically())
 134       lt = bufferIdLessThan(bufferId, config()->bufferList()[i]);
 135     else
 136       lt = bufferId < config()->bufferList()[i];
 137
 138     if(lt) {
 139       pos = i;
 140       break;
 141     }
 142   }
 143   config()->requestAddBuffer(bufferId, pos);
 144 }
 145
 146 void BufferViewFilter::removeBuffer(const QModelIndex &index) {
 147   if(!config())
 148     return;
 149
 150   BufferId bufferId = data(index, NetworkModel::BufferIdRole).value<BufferId>();
 151   config()->requestRemoveBuffer(bufferId);
 152 }
 153
 154
 155 bool BufferViewFilter::filterAcceptBuffer(const QModelIndex &source_bufferIndex) const {
 156   BufferId bufferId = sourceModel()->data(source_bufferIndex, NetworkModel::BufferIdRole).value<BufferId>();
 157   Q_ASSERT(bufferId.isValid());
 158   if(!_config)
 159     return true;
 160
 161   if(config()->networkId().isValid() && config()->networkId() != sourceModel()->data(source_bufferIndex, NetworkModel::NetworkIdRole).value<NetworkId>())
 162     return false;
 163
 164   if(!(_config->allowedBufferTypes() & (BufferInfo::Type)source_bufferIndex.data(NetworkModel::BufferTypeRole).toInt()))
 165     return false;
 166
 167   if(_config->hideInactiveBuffers() && !source_bufferIndex.data(NetworkModel::ItemActiveRole).toBool())
 168     return false;
 169
 170   if(_config->minimumActivity() > source_bufferIndex.data(NetworkModel::BufferActivityRole).toInt()) {
 171     if(bufferId != Client::bufferModel()->standardSelectionModel()->currentIndex().data(NetworkModel::BufferIdRole).value<BufferId>())
 172       return false;
 173   }
 174
 175   return _config->bufferList().contains(bufferId);
 176 }
 177
 178 bool BufferViewFilter::filterAcceptNetwork(const QModelIndex &source_index) const {
 179   if(!config())
 180     return true;
 181
 182   if(!config()->networkId().isValid()) {
 183     return true;
 184   } else {
 185     return config()->networkId() == sourceModel()->data(source_index, NetworkModel::NetworkIdRole).value<NetworkId>();
 186   }
 187 }
 188
 189 bool BufferViewFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const {
 190   QModelIndex child = sourceModel()->index(source_row, 0, source_parent);
 191
 192   if(!child.isValid()) {
 193     qWarning() << "filterAcceptsRow has been called with an invalid Child";
 194     return false;
 195   }
 196
 197   if(!source_parent.isValid())
 198     return filterAcceptNetwork(child);
 199   else
 200     return filterAcceptBuffer(child);
 201 }
 202
 203 bool BufferViewFilter::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
 204   int itemType = sourceModel()->data(source_left, NetworkModel::ItemTypeRole).toInt();
 205   switch(itemType) {
 206   case NetworkModel::NetworkItemType:
 207     return networkLessThan(source_left, source_right);
 208   case NetworkModel::BufferItemType:
 209     return bufferLessThan(source_left, source_right);
 210   default:
 211     return QSortFilterProxyModel::lessThan(source_left, source_right);
 212   }
 213 }
 214
 215 bool BufferViewFilter::bufferLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
 216   BufferId leftBufferId = sourceModel()->data(source_left, NetworkModel::BufferIdRole).value<BufferId>();
 217   BufferId rightBufferId = sourceModel()->data(source_right, NetworkModel::BufferIdRole).value<BufferId>();
 218   if(config()) {
 219     return config()->bufferList().indexOf(leftBufferId) < config()->bufferList().indexOf(rightBufferId);
 220   } else
 221     return bufferIdLessThan(leftBufferId, rightBufferId);
 222 }
 223
 224 bool BufferViewFilter::networkLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
 225   NetworkId leftNetworkId = sourceModel()->data(source_left, NetworkModel::NetworkIdRole).value<NetworkId>();
 226   NetworkId rightNetworkId = sourceModel()->data(source_right, NetworkModel::NetworkIdRole).value<NetworkId>();
 227
 228   if(config() && config()->sortAlphabetically())
 229     return QSortFilterProxyModel::lessThan(source_left, source_right);
 230   else
 231     return leftNetworkId < rightNetworkId;
 232 }
 233
 234 QVariant BufferViewFilter::data(const QModelIndex &index, int role) const {
 235   if(role == Qt::ForegroundRole)
 236     return foreground(index);
 237   else
 238     return QSortFilterProxyModel::data(index, role);
 239 }
 240
 241 QVariant BufferViewFilter::foreground(const QModelIndex &index) const {
 242   if(!index.data(NetworkModel::ItemActiveRole).toBool())
 243     return _FgColorInactiveActivity;
 244
 245   Buffer::ActivityLevel activity = (Buffer::ActivityLevel)index.data(NetworkModel::BufferActivityRole).toInt();
 246
 247   if(activity & Buffer::Highlight)
 248     return _FgColorHighlightActivity;
 249   if(activity & Buffer::NewMessage)
 250     return _FgColorNewMessageActivity;
 251   if(activity & Buffer::OtherActivity)
 252     return _FgColorOtherActivity;
 253
 254   return _FgColorNoActivity;
 255 }
 256
 257 void BufferViewFilter::source_rowsInserted(const QModelIndex &parent, int start, int end) {
 258   if(parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 259     return;
 260
 261   if(!config() || !config()->addNewBuffersAutomatically())
 262     return;
 263
 264   QModelIndex child;
 265   for(int row = start; row <= end; row++) {
 266     child = sourceModel()->index(row, 0, parent);
 267     addBuffer(sourceModel()->data(child, NetworkModel::BufferIdRole).value<BufferId>());
 268   }
 269 }
 270
 271 // ******************************
 272 //  Helper
 273 // ******************************
 274 bool bufferIdLessThan(const BufferId &left, const BufferId &right) {
 275   Q_CHECK_PTR(Client::networkModel());
 276   if(!Client::networkModel())
 277     return true;
 278
 279   QModelIndex leftIndex = Client::networkModel()->bufferIndex(left);
 280   QModelIndex rightIndex = Client::networkModel()->bufferIndex(right);
 281
 282   int leftType = Client::networkModel()->data(leftIndex, NetworkModel::BufferTypeRole).toInt();
 283   int rightType = Client::networkModel()->data(rightIndex, NetworkModel::BufferTypeRole).toInt();
 284
 285   if(leftType != rightType)
 286     return leftType < rightType;
 287   else
 288     return QString::compare(Client::networkModel()->data(leftIndex, Qt::DisplayRole).toString(), Client::networkModel()->data(rightIndex, Qt::DisplayRole).toString(), Qt::CaseInsensitive) < 0;
 289 }
 290