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