src/uisupport/bufferview.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 "client.h"
  22 #include "buffersyncer.h"
  23 #include "bufferview.h"
  24 #include "networkmodel.h"
  25 #include "network.h"
  26
  27 /*****************************************
  28 * The TreeView showing the Buffers
  29 *****************************************/
  30 // Please be carefull when reimplementing methods which are used to inform the view about changes to the data
  31 // to be on the safe side: call QTreeView's method aswell
  32 BufferView::BufferView(QWidget *parent) : QTreeView(parent) {
  33   setContextMenuPolicy(Qt::CustomContextMenu);
  34
  35   connect(this, SIGNAL(customContextMenuRequested(const QPoint &)),
  36           this, SLOT(showContextMenu(const QPoint &)));
  37 }
  38
  39 void BufferView::init() {
  40   setIndentation(10);
  41   header()->setContextMenuPolicy(Qt::ActionsContextMenu);
  42   hideColumn(1);
  43   hideColumn(2);
  44   expandAll();
  45
  46   setAnimated(true);
  47
  48 #ifndef QT_NO_DRAGANDDROP
  49   setDragEnabled(true);
  50   setAcceptDrops(true);
  51   setDropIndicatorShown(true);
  52 #endif
  53
  54   setSortingEnabled(true);
  55   sortByColumn(0, Qt::AscendingOrder);
  56   connect(this, SIGNAL(activated(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));
  57 }
  58
  59 void BufferView::setFilteredModel(QAbstractItemModel *model, BufferViewFilter::Modes mode, QList<NetworkId> nets) {
  60   BufferViewFilter *filter = new BufferViewFilter(model, mode, nets);
  61   setModel(filter);
  62   connect(this, SIGNAL(removeBuffer(const QModelIndex &)), filter, SLOT(removeBuffer(const QModelIndex &)));
  63 }
  64
  65 void BufferView::setModel(QAbstractItemModel *model) {
  66   delete selectionModel();
  67   QTreeView::setModel(model);
  68   init();
  69
  70   // remove old Actions
  71   QList<QAction *> oldactions = header()->actions();
  72   foreach(QAction *action, oldactions) {
  73     header()->removeAction(action);
  74     action->deleteLater();
  75   }
  76
  77   QString sectionName;
  78   QAction *showSection;
  79   for(int i = 1; i < model->columnCount(); i++) {
  80     sectionName = (model->headerData(i, Qt::Horizontal, Qt::DisplayRole)).toString();
  81     showSection = new QAction(sectionName, header());
  82     showSection->setCheckable(true);
  83     showSection->setChecked(!isColumnHidden(i));
  84     showSection->setProperty("column", i);
  85     connect(showSection, SIGNAL(toggled(bool)), this, SLOT(toggleHeader(bool)));
  86     header()->addAction(showSection);
  87   }
  88
  89 }
  90
  91 void BufferView::joinChannel(const QModelIndex &index) {
  92   BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value<int>();
  93
  94   if(bufferType != BufferInfo::ChannelBuffer)
  95     return;
  96
  97   BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
  98
  99   Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
 100 }
 101
 102 void BufferView::keyPressEvent(QKeyEvent *event) {
 103   if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
 104     event->accept();
 105     QModelIndex index = selectionModel()->selectedIndexes().first();
 106     if(index.isValid()) {
 107       emit removeBuffer(index);
 108     }
 109   }
 110   QTreeView::keyPressEvent(event);
 111 }
 112
 113 // ensure that newly inserted network nodes are expanded per default
 114 void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) {
 115   QTreeView::rowsInserted(parent, start, end);
 116   if(model()->rowCount(parent) == 1 && parent != QModelIndex()) {
 117     // without updating the parent the expand will have no effect... Qt Bug?
 118     update(parent);
 119     expand(parent);
 120   }
 121 }
 122
 123 void BufferView::toggleHeader(bool checked) {
 124   QAction *action = qobject_cast<QAction *>(sender());
 125   header()->setSectionHidden((action->property("column")).toInt(), !checked);
 126 }
 127
 128 void BufferView::showContextMenu(const QPoint &pos) {
 129   QModelIndex index = indexAt(pos);
 130   if(!index.isValid()) return;
 131   QMenu contextMenu(this);
 132   QAction *connectNetAction = new QAction(tr("Connect"), this);
 133   QAction *disconnectNetAction = new QAction(tr("Disconnect"), this);
 134
 135   QAction *joinBufferAction = new QAction(tr("Join"), this);
 136   QAction *partBufferAction = new QAction(tr("Part"), this);
 137   QAction *removeBufferAction = new QAction(tr("Delete buffer"), this);
 138
 139   QMenu *hideEventsMenu = new QMenu(tr("Hide Events"), this);
 140   QAction *hideJoinAction = hideEventsMenu->addAction(tr("Join Events"));
 141   QAction *hidePartAction = hideEventsMenu->addAction(tr("Part Events"));
 142   QAction *hideKillAction = hideEventsMenu->addAction(tr("Kill Events"));
 143   QAction *hideQuitAction = hideEventsMenu->addAction(tr("Quit Events"));
 144   QAction *hideModeAction = hideEventsMenu->addAction(tr("Mode Events"));
 145   hideJoinAction->setCheckable(true);
 146   hidePartAction->setCheckable(true);
 147   hideKillAction->setCheckable(true);
 148   hideQuitAction->setCheckable(true);
 149   hideModeAction->setCheckable(true);
 150   hideJoinAction->setEnabled(false);
 151   hidePartAction->setEnabled(false);
 152   hideKillAction->setEnabled(false);
 153   hideQuitAction->setEnabled(false);
 154   hideModeAction->setEnabled(false);
 155
 156   QAction *ignoreListAction = new QAction(tr("Ignore list"), this);
 157   ignoreListAction->setEnabled(false);
 158   QAction *whoBufferAction = new QAction(tr("WHO"), this);
 159
 160   if(index.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType) {
 161     if(index.data(NetworkModel::ItemActiveRole).toBool()) {
 162       contextMenu.addAction(disconnectNetAction);
 163     } else {
 164       contextMenu.addAction(connectNetAction);
 165     }
 166   }
 167
 168   BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 169   QString channelname = index.sibling(index.row(), 0).data().toString();
 170
 171   if(index.data(NetworkModel::ItemTypeRole) == NetworkModel::BufferItemType) {
 172     if(bufferInfo.type() != BufferInfo::ChannelBuffer && bufferInfo.type() != BufferInfo::QueryBuffer) return;
 173     contextMenu.addAction(joinBufferAction);
 174     contextMenu.addAction(partBufferAction);
 175     contextMenu.addAction(removeBufferAction);
 176     contextMenu.addMenu(hideEventsMenu);
 177     contextMenu.addAction(ignoreListAction);
 178     contextMenu.addAction(whoBufferAction);
 179
 180     if(bufferInfo.type() == BufferInfo::ChannelBuffer) {
 181       if(index.data(NetworkModel::ItemActiveRole).toBool()) {
 182         removeBufferAction->setEnabled(false);
 183         removeBufferAction->setToolTip("To delete the buffer, part the channel first.");
 184         joinBufferAction->setVisible(false);
 185       } else {
 186         partBufferAction->setVisible(false);
 187       }
 188     } else {
 189       joinBufferAction->setVisible(false);
 190       partBufferAction->setVisible(false);
 191     }
 192   }
 193
 194   QAction *result = contextMenu.exec(QCursor::pos());
 195   if(result == connectNetAction || result == disconnectNetAction) {
 196     const Network *network = Client::network(index.data(NetworkModel::NetworkIdRole).value<NetworkId>());
 197     if(!network) return;
 198     if(network->connectionState() == Network::Disconnected)
 199       network->requestConnect();
 200     else
 201       network->requestDisconnect();
 202   } else
 203   if(result == joinBufferAction) {
 204     Client::instance()->userInput(bufferInfo, QString("/JOIN %1").arg(channelname));
 205   } else
 206   if(result == partBufferAction) {
 207     Client::instance()->userInput(bufferInfo, QString("/PART %1").arg(channelname));
 208   } else
 209   if(result == removeBufferAction) {
 210     int res = QMessageBox::question(this, tr("Remove buffer permanently?"),
 211                                     tr("Do you want to delete the buffer \"%1\" permanently? This will delete all related data, including all backlog "
 212                                        "data, from the core's database!").arg(bufferInfo.bufferName()),
 213                                         QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
 214     if(res == QMessageBox::Yes) {
 215       Client::removeBuffer(bufferInfo.bufferId());
 216     }
 217   } else
 218   if(result == whoBufferAction) {
 219     Client::instance()->userInput(bufferInfo, QString("/WHO %1").arg(channelname));
 220   }
 221 }
 222
 223 void BufferView::wheelEvent(QWheelEvent* event)
 224 {
 225     int rowDelta = ( event->delta() > 0 ) ? -1 : 1;
 226     QModelIndex currentIndex = selectionModel()->currentIndex();
 227     QModelIndex resultingIndex;
 228     if( model()->hasIndex(  currentIndex.row() + rowDelta, currentIndex.column(), currentIndex.parent() ) )
 229     {
 230         resultingIndex = currentIndex.sibling( currentIndex.row() + rowDelta, currentIndex.column() );
 231     }
 232     else //if we scroll into a the parent node...
 233     {
 234         QModelIndex parent = currentIndex.parent();
 235         QModelIndex aunt = parent.sibling( parent.row() + rowDelta, parent.column() );
 236         if( rowDelta == -1 )
 237             resultingIndex = aunt.child( model()->rowCount( aunt ) - 1, 0 );
 238         else
 239             resultingIndex = aunt.child( 0, 0 );
 240         if( !resultingIndex.isValid() )
 241             return;
 242     }
 243     selectionModel()->setCurrentIndex( resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows );
 244     selectionModel()->select( resultingIndex, QItemSelectionModel::ClearAndSelect );
 245 }
 246