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  *                                                                         *
  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 "client.h"
  22 #include "buffersyncer.h"
  23 #include "bufferview.h"
  24 #include "networkmodel.h"
  25 #include "network.h"
  26
  27 #include "uisettings.h"
  28
  29 #include "global.h"
  30
  31 /*****************************************
  32 * The TreeView showing the Buffers
  33 *****************************************/
  34 // Please be carefull when reimplementing methods which are used to inform the view about changes to the data
  35 // to be on the safe side: call QTreeView's method aswell
  36 BufferView::BufferView(QWidget *parent) : QTreeView(parent) {
  37   setContextMenuPolicy(Qt::CustomContextMenu);
  38
  39   connect(this, SIGNAL(customContextMenuRequested(const QPoint &)),
  40           this, SLOT(showContextMenu(const QPoint &)));
  41 }
  42
  43 void BufferView::init() {
  44   setIndentation(10);
  45   header()->setContextMenuPolicy(Qt::ActionsContextMenu);
  46   hideColumn(1);
  47   hideColumn(2);
  48   expandAll();
  49
  50   setAnimated(true);
  51
  52 #ifndef QT_NO_DRAGANDDROP
  53   setDragEnabled(true);
  54   setAcceptDrops(true);
  55   setDropIndicatorShown(true);
  56 #endif
  57
  58   setSortingEnabled(true);
  59   sortByColumn(0, Qt::AscendingOrder);
  60 #ifndef Q_WS_QWS
  61   // this is a workaround to not join channels automatically... we need a saner way to navigate for qtopia anyway though,
  62   // such as mark first, activate at second click...
  63   connect(this, SIGNAL(activated(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));
  64 #else
  65   connect(this, SIGNAL(doubleClicked(QModelIndex)), this, SLOT(joinChannel(QModelIndex)));  // Qtopia uses single click for activation
  66 #endif
  67 }
  68
  69 void BufferView::setFilteredModel(QAbstractItemModel *model, BufferViewFilter::Modes mode, QList<NetworkId> nets) {
  70   BufferViewFilter *filter = new BufferViewFilter(model, mode, nets);
  71   setModel(filter);
  72   connect(this, SIGNAL(removeBuffer(const QModelIndex &)), filter, SLOT(removeBuffer(const QModelIndex &)));
  73 }
  74
  75 void BufferView::setModel(QAbstractItemModel *model) {
  76   delete selectionModel();
  77   QTreeView::setModel(model);
  78   init();
  79
  80   // remove old Actions
  81   QList<QAction *> oldactions = header()->actions();
  82   foreach(QAction *action, oldactions) {
  83     header()->removeAction(action);
  84     action->deleteLater();
  85   }
  86
  87   QString sectionName;
  88   QAction *showSection;
  89   for(int i = 1; i < model->columnCount(); i++) {
  90     sectionName = (model->headerData(i, Qt::Horizontal, Qt::DisplayRole)).toString();
  91     showSection = new QAction(sectionName, header());
  92     showSection->setCheckable(true);
  93     showSection->setChecked(!isColumnHidden(i));
  94     showSection->setProperty("column", i);
  95     connect(showSection, SIGNAL(toggled(bool)), this, SLOT(toggleHeader(bool)));
  96     header()->addAction(showSection);
  97   }
  98
  99 }
 100
 101 void BufferView::joinChannel(const QModelIndex &index) {
 102   BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value<int>();
 103
 104   if(bufferType != BufferInfo::ChannelBuffer)
 105     return;
 106
 107   BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 108
 109   Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
 110 }
 111
 112 void BufferView::keyPressEvent(QKeyEvent *event) {
 113   if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
 114     event->accept();
 115     QModelIndex index = selectionModel()->selectedIndexes().first();
 116     if(index.isValid()) {
 117       emit removeBuffer(index);
 118     }
 119   }
 120   QTreeView::keyPressEvent(event);
 121 }
 122
 123 // ensure that newly inserted network nodes are expanded per default
 124 void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) {
 125   QTreeView::rowsInserted(parent, start, end);
 126   if(model()->rowCount(parent) == 1 && parent.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType
 127      && parent.data(NetworkModel::ItemActiveRole) == true) {
 128     // without updating the parent the expand will have no effect... Qt Bug?
 129     update(parent);
 130     expand(parent);
 131   }
 132 }
 133
 134 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
 135   QTreeView::dataChanged(topLeft, bottomRight);
 136
 137   // determine how many items have been changed and if any of them is a networkitem
 138   // which just swichted from active to inactive or vice versa
 139   if(topLeft.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
 140     return;
 141
 142   for(int i = topLeft.row(); i <= bottomRight.row(); i++) {
 143     QModelIndex networkIdx = topLeft.sibling(topLeft.row(), 0);
 144     if(model()->rowCount(networkIdx) == 0)
 145       continue;
 146
 147     bool isActive = networkIdx.data(NetworkModel::ItemActiveRole).toBool();
 148     if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, isActive);
 149   }
 150 }
 151
 152
 153 void BufferView::toggleHeader(bool checked) {
 154   QAction *action = qobject_cast<QAction *>(sender());
 155   header()->setSectionHidden((action->property("column")).toInt(), !checked);
 156 }
 157
 158 void BufferView::showContextMenu(const QPoint &pos) {
 159   QModelIndex index = indexAt(pos);
 160   if(!index.isValid()) return;
 161   QMenu contextMenu(this);
 162   QAction *connectNetAction = new QAction(tr("Connect"), this);
 163   QAction *disconnectNetAction = new QAction(tr("Disconnect"), this);
 164   QAction *joinChannelAction = new QAction(tr("Join Channel"), this);
 165
 166   QAction *joinBufferAction = new QAction(tr("Join"), this);
 167   QAction *partBufferAction = new QAction(tr("Part"), this);
 168   QAction *removeBufferAction = new QAction(tr("Delete buffer"), this);
 169
 170   QMenu *hideEventsMenu = new QMenu(tr("Hide Events"), this);
 171   QAction *hideJoinAction = hideEventsMenu->addAction(tr("Join Events"));
 172   QAction *hidePartAction = hideEventsMenu->addAction(tr("Part Events"));
 173   QAction *hideKillAction = hideEventsMenu->addAction(tr("Kill Events"));
 174   QAction *hideQuitAction = hideEventsMenu->addAction(tr("Quit Events"));
 175   QAction *hideModeAction = hideEventsMenu->addAction(tr("Mode Events"));
 176   hideJoinAction->setCheckable(true);
 177   hidePartAction->setCheckable(true);
 178   hideKillAction->setCheckable(true);
 179   hideQuitAction->setCheckable(true);
 180   hideModeAction->setCheckable(true);
 181   hideJoinAction->setEnabled(false);
 182   hidePartAction->setEnabled(false);
 183   hideKillAction->setEnabled(false);
 184   hideQuitAction->setEnabled(false);
 185   hideModeAction->setEnabled(false);
 186
 187   QAction *ignoreListAction = new QAction(tr("Ignore list"), this);
 188   ignoreListAction->setEnabled(false);
 189   QAction *whoBufferAction = new QAction(tr("WHO"), this);
 190
 191   if(index.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType) {
 192     if(index.data(NetworkModel::ItemActiveRole).toBool()) {
 193       contextMenu.addAction(disconnectNetAction);
 194       contextMenu.addSeparator();
 195       contextMenu.addAction(joinChannelAction);
 196     } else {
 197       contextMenu.addAction(connectNetAction);
 198     }
 199   }
 200
 201   BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 202   QString channelname = index.sibling(index.row(), 0).data().toString();
 203
 204   if(index.data(NetworkModel::ItemTypeRole) == NetworkModel::BufferItemType) {
 205     if(bufferInfo.type() != BufferInfo::ChannelBuffer && bufferInfo.type() != BufferInfo::QueryBuffer) return;
 206     contextMenu.addAction(joinBufferAction);
 207     contextMenu.addAction(partBufferAction);
 208     contextMenu.addAction(removeBufferAction);
 209     contextMenu.addMenu(hideEventsMenu);
 210     contextMenu.addAction(ignoreListAction);
 211     contextMenu.addAction(whoBufferAction);
 212
 213     if(bufferInfo.type() == BufferInfo::ChannelBuffer) {
 214       if(index.data(NetworkModel::ItemActiveRole).toBool()) {
 215         removeBufferAction->setEnabled(false);
 216         removeBufferAction->setToolTip("To delete the buffer, part the channel first.");
 217         joinBufferAction->setVisible(false);
 218         whoBufferAction->setVisible(false);
 219       } else {
 220         partBufferAction->setVisible(false);
 221       }
 222     } else {
 223       joinBufferAction->setVisible(false);
 224       partBufferAction->setVisible(false);
 225     }
 226   }
 227
 228   QAction *result = contextMenu.exec(QCursor::pos());
 229   if(result == connectNetAction || result == disconnectNetAction) {
 230     const Network *network = Client::network(index.data(NetworkModel::NetworkIdRole).value<NetworkId>());
 231     if(!network) return;
 232     if(network->connectionState() == Network::Disconnected)
 233       network->requestConnect();
 234     else
 235       network->requestDisconnect();
 236   } else
 237   if(result == joinChannelAction) {
 238     // FIXME no QInputDialog in Qtopia
 239 #ifndef Q_WS_QWS
 240     bool ok;
 241     QString channelName = QInputDialog::getText(this, tr("Join Channel"),
 242                                                 tr("Input channel name:"),QLineEdit::Normal,
 243                                                 QDir::home().dirName(), &ok);
 244
 245     if (ok && !channelName.isEmpty()) {
 246       BufferInfo bufferInfo = index.child(0,0).data(NetworkModel::BufferInfoRole).value<BufferInfo>();
 247       if(bufferInfo.isValid()) {
 248         Client::instance()->userInput(bufferInfo, QString("/J %1").arg(channelName));
 249       }
 250     }
 251 #endif
 252   } else
 253   if(result == joinBufferAction) {
 254     Client::instance()->userInput(bufferInfo, QString("/JOIN %1").arg(channelname));
 255   } else
 256   if(result == partBufferAction) {
 257     Client::instance()->userInput(bufferInfo, QString("/PART %1").arg(channelname));
 258   } else
 259   if(result == removeBufferAction) {
 260     int res = QMessageBox::question(this, tr("Remove buffer permanently?"),
 261                                     tr("Do you want to delete the buffer \"%1\" permanently? This will delete all related data, including all backlog "
 262                                        "data, from the core's database!").arg(bufferInfo.bufferName()),
 263                                         QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
 264     if(res == QMessageBox::Yes) {
 265       Client::removeBuffer(bufferInfo.bufferId());
 266     }
 267   } else
 268   if(result == whoBufferAction) {
 269     Client::instance()->userInput(bufferInfo, QString("/WHO %1").arg(channelname));
 270   }
 271 }
 272
 273 void BufferView::wheelEvent(QWheelEvent* event) {
 274   if(UiSettings().value("MouseWheelChangesBuffers", QVariant(true)).toBool() == (bool)(event->modifiers() & Qt::AltModifier))
 275     return QTreeView::wheelEvent(event);
 276
 277   int rowDelta = ( event->delta() > 0 ) ? -1 : 1;
 278   QModelIndex currentIndex = selectionModel()->currentIndex();
 279   QModelIndex resultingIndex;
 280   if( model()->hasIndex(  currentIndex.row() + rowDelta, currentIndex.column(), currentIndex.parent() ) )
 281     {
 282       resultingIndex = currentIndex.sibling( currentIndex.row() + rowDelta, currentIndex.column() );
 283     }
 284     else //if we scroll into a the parent node...
 285       {
 286         QModelIndex parent = currentIndex.parent();
 287         QModelIndex aunt = parent.sibling( parent.row() + rowDelta, parent.column() );
 288         if( rowDelta == -1 )
 289           resultingIndex = aunt.child( model()->rowCount( aunt ) - 1, 0 );
 290         else
 291           resultingIndex = aunt.child( 0, 0 );
 292         if( !resultingIndex.isValid() )
 293           return;
 294       }
 295   selectionModel()->setCurrentIndex( resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows );
 296   selectionModel()->select( resultingIndex, QItemSelectionModel::ClearAndSelect );
 297
 298 }
 299
 300
 301 QSize BufferView::sizeHint() const {
 302   return QSize(120, 50);
 303
 304   if(!model())
 305     return QTreeView::sizeHint();
 306
 307   if(model()->rowCount() == 0)
 308     return QSize(120, 50);
 309
 310   int columnSize = 0;
 311   for(int i = 0; i < model()->columnCount(); i++) {
 312     if(!isColumnHidden(i))
 313       columnSize += sizeHintForColumn(i);
 314   }
 315   return QSize(columnSize, 50);
 316 }