1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel Project *
3 * devel@quassel-irc.org *
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. *
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. *
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 ***************************************************************************/
21 #include "bufferview.h"
23 #include <QApplication>
26 #include <QHeaderView>
29 #include <QMessageBox>
33 #include "buffermodel.h"
34 #include "bufferviewfilter.h"
35 #include "buffersettings.h"
36 #include "buffersyncer.h"
38 #include "iconloader.h"
39 #include "mappedselectionmodel.h"
41 #include "networkmodel.h"
42 #include "networkmodelactionprovider.h"
43 #include "quasselui.h"
44 #include "uisettings.h"
46 bool TristateDelegate::editorEvent(QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index) {
47 if(event->type() != QEvent::MouseButtonRelease)
48 return QStyledItemDelegate::editorEvent(event, model, option, index);
50 if(!(model->flags(index) & Qt::ItemIsUserCheckable))
51 return QStyledItemDelegate::editorEvent(event, model, option, index);
53 QVariant value = index.data(Qt::CheckStateRole);
55 return QStyledItemDelegate::editorEvent(event, model, option, index);
57 QStyleOptionViewItemV4 viewOpt(option);
58 initStyleOption(&viewOpt, index);
60 QRect checkRect = viewOpt.widget->style()->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &viewOpt, viewOpt.widget);
61 QMouseEvent *me = static_cast<QMouseEvent*>(event);
63 if(me->button() != Qt::LeftButton || !checkRect.contains(me->pos()))
64 return QStyledItemDelegate::editorEvent(event, model, option, index);
66 Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
67 if(state == Qt::Unchecked)
68 state = Qt::PartiallyChecked;
69 else if(state == Qt::PartiallyChecked)
72 state = Qt::Unchecked;
73 model->setData(index, state, Qt::CheckStateRole);
80 /*****************************************
81 * The TreeView showing the Buffers
82 *****************************************/
83 // Please be carefull when reimplementing methods which are used to inform the view about changes to the data
84 // to be on the safe side: call QTreeView's method aswell
85 BufferView::BufferView(QWidget *parent)
88 connect(this, SIGNAL(collapsed(const QModelIndex &)), SLOT(on_collapse(const QModelIndex &)));
89 connect(this, SIGNAL(expanded(const QModelIndex &)), SLOT(on_expand(const QModelIndex &)));
91 setSelectionMode(QAbstractItemView::ExtendedSelection);
93 QAbstractItemDelegate *oldDelegate = itemDelegate();
94 TristateDelegate *tristateDelegate = new TristateDelegate(this);
95 setItemDelegate(tristateDelegate);
99 void BufferView::init() {
100 header()->setContextMenuPolicy(Qt::ActionsContextMenu);
108 #ifndef QT_NO_DRAGANDDROP
109 setDragEnabled(true);
110 setAcceptDrops(true);
111 setDropIndicatorShown(true);
114 setSortingEnabled(true);
115 sortByColumn(0, Qt::AscendingOrder);
117 // activated() fails on X11 and Qtopia at least
118 #if defined Q_WS_QWS || defined Q_WS_X11
119 connect(this, SIGNAL(doubleClicked(QModelIndex)), SLOT(joinChannel(QModelIndex)));
121 // afaik this is better on Mac and Windows
122 connect(this, SIGNAL(activated(QModelIndex)), SLOT(joinChannel(QModelIndex)));
126 void BufferView::setModel(QAbstractItemModel *model) {
127 delete selectionModel();
129 QTreeView::setModel(model);
131 // remove old Actions
132 QList<QAction *> oldactions = header()->actions();
133 foreach(QAction *action, oldactions) {
134 header()->removeAction(action);
135 action->deleteLater();
142 QAction *showSection;
143 for(int i = 1; i < model->columnCount(); i++) {
144 sectionName = (model->headerData(i, Qt::Horizontal, Qt::DisplayRole)).toString();
145 showSection = new QAction(sectionName, header());
146 showSection->setCheckable(true);
147 showSection->setChecked(!isColumnHidden(i));
148 showSection->setProperty("column", i);
149 connect(showSection, SIGNAL(toggled(bool)), this, SLOT(toggleHeader(bool)));
150 header()->addAction(showSection);
155 void BufferView::setFilteredModel(QAbstractItemModel *model_, BufferViewConfig *config) {
156 BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
158 filter->setConfig(config);
164 disconnect(this, 0, model(), 0);
165 disconnect(model(), 0, this, 0);
171 BufferViewFilter *filter = new BufferViewFilter(model_, config);
173 connect(filter, SIGNAL(configChanged()), this, SLOT(on_configChanged()));
178 void BufferView::setSelectionModel(QItemSelectionModel *selectionModel) {
179 if(QTreeView::selectionModel())
180 disconnect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
181 model(), SIGNAL(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
183 QTreeView::setSelectionModel(selectionModel);
184 BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
186 connect(selectionModel, SIGNAL(currentChanged(QModelIndex, QModelIndex)),
187 filter, SLOT(checkPreviousCurrentForRemoval(QModelIndex, QModelIndex)));
191 void BufferView::setConfig(BufferViewConfig *config) {
192 if(_config == config)
196 disconnect(_config, 0, this, 0);
201 connect(config, SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(setRootIndexForNetworkId(const NetworkId &)));
202 setRootIndexForNetworkId(config->networkId());
204 setRootIndex(QModelIndex());
208 void BufferView::setRootIndexForNetworkId(const NetworkId &networkId) {
209 if(!networkId.isValid() || !model()) {
210 setRootIndex(QModelIndex());
212 int networkCount = model()->rowCount();
214 for(int i = 0; i < networkCount; i++) {
215 child = model()->index(i, 0);
216 if(networkId == model()->data(child, NetworkModel::NetworkIdRole).value<NetworkId>())
222 void BufferView::joinChannel(const QModelIndex &index) {
223 BufferInfo::Type bufferType = (BufferInfo::Type)index.data(NetworkModel::BufferTypeRole).value<int>();
225 if(bufferType != BufferInfo::ChannelBuffer)
228 BufferInfo bufferInfo = index.data(NetworkModel::BufferInfoRole).value<BufferInfo>();
230 Client::userInput(bufferInfo, QString("/JOIN %1").arg(bufferInfo.bufferName()));
233 void BufferView::keyPressEvent(QKeyEvent *event) {
234 if(event->key() == Qt::Key_Backspace || event->key() == Qt::Key_Delete) {
236 removeSelectedBuffers();
238 QTreeView::keyPressEvent(event);
241 void BufferView::dropEvent(QDropEvent *event) {
242 QModelIndex index = indexAt(event->pos());
244 QRect indexRect = visualRect(index);
245 QPoint cursorPos = event->pos();
247 // check if we're really _on_ the item and not indicating a move to just above or below the item
248 const int margin = 2;
249 if(cursorPos.y() - indexRect.top() < margin
250 || indexRect.bottom() - cursorPos.y() < margin)
251 return QTreeView::dropEvent(event);
253 QList< QPair<NetworkId, BufferId> > bufferList = Client::networkModel()->mimeDataToBufferList(event->mimeData());
254 if(bufferList.count() != 1)
255 return QTreeView::dropEvent(event);
257 NetworkId networkId = bufferList[0].first;
258 BufferId bufferId2 = bufferList[0].second;
260 if(index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
261 return QTreeView::dropEvent(event);
263 if(index.data(NetworkModel::BufferTypeRole) != BufferInfo::QueryBuffer)
264 return QTreeView::dropEvent(event);
266 if(index.data(NetworkModel::NetworkIdRole).value<NetworkId>() != networkId)
267 return QTreeView::dropEvent(event);
269 BufferId bufferId1 = index.data(NetworkModel::BufferIdRole).value<BufferId>();
270 if(bufferId1 == bufferId2)
271 return QTreeView::dropEvent(event);
273 int res = QMessageBox::question(0, tr("Merge buffers permanently?"),
274 tr("Do you want to merge the buffer \"%1\" permanently into buffer \"%2\"?\n This cannot be reversed!").arg(Client::networkModel()->bufferName(bufferId2)).arg(Client::networkModel()->bufferName(bufferId1)),
275 QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
276 if(res == QMessageBox::Yes) {
277 Client::mergeBuffersPermanently(bufferId1, bufferId2);
281 void BufferView::removeSelectedBuffers(bool permanently) {
286 QSet<BufferId> removedRows;
287 foreach(QModelIndex index, selectionModel()->selectedIndexes()) {
288 if(index.data(NetworkModel::ItemTypeRole) != NetworkModel::BufferItemType)
291 bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
292 if(removedRows.contains(bufferId))
295 removedRows << bufferId;
298 config()->requestRemoveBufferPermanently(bufferId);
300 config()->requestRemoveBuffer(bufferId);
304 void BufferView::rowsInserted(const QModelIndex & parent, int start, int end) {
305 QTreeView::rowsInserted(parent, start, end);
307 // ensure that newly inserted network nodes are expanded per default
308 if(parent.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
311 if(model()->rowCount(parent) == 1 && parent.data(NetworkModel::ItemActiveRole) == true) {
312 // without updating the parent the expand will have no effect... Qt Bug?
318 void BufferView::on_configChanged() {
321 // expand all active networks... collapse inactive ones... unless manually changed
322 QModelIndex networkIdx;
324 for(int row = 0; row < model()->rowCount(); row++) {
325 networkIdx = model()->index(row, 0);
326 if(model()->rowCount(networkIdx) == 0)
329 networkId = model()->data(networkIdx, NetworkModel::NetworkIdRole).value<NetworkId>();
330 if(!networkId.isValid())
335 bool expandNetwork = false;
336 if(_expandedState.contains(networkId))
337 expandNetwork = _expandedState[networkId];
339 expandNetwork = model()->data(networkIdx, NetworkModel::ItemActiveRole).toBool();
344 collapse(networkIdx);
347 // update selection to current one
348 MappedSelectionModel *mappedSelectionModel = qobject_cast<MappedSelectionModel *>(selectionModel());
349 if(!config() || !mappedSelectionModel)
352 mappedSelectionModel->mappedSetCurrentIndex(Client::bufferModel()->standardSelectionModel()->currentIndex(), QItemSelectionModel::Current);
353 mappedSelectionModel->mappedSelect(Client::bufferModel()->standardSelectionModel()->selection(), QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows);
356 void BufferView::on_collapse(const QModelIndex &index) {
357 storeExpandedState(index.data(NetworkModel::NetworkIdRole).value<NetworkId>(), false);
360 void BufferView::on_expand(const QModelIndex &index) {
361 storeExpandedState(index.data(NetworkModel::NetworkIdRole).value<NetworkId>(), true);
364 void BufferView::storeExpandedState(NetworkId networkId, bool expanded) {
365 _expandedState[networkId] = expanded;
368 void BufferView::dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
369 QTreeView::dataChanged(topLeft, bottomRight);
371 // determine how many items have been changed and if any of them is a networkitem
372 // which just swichted from active to inactive or vice versa
373 if(topLeft.data(NetworkModel::ItemTypeRole) != NetworkModel::NetworkItemType)
376 for(int i = topLeft.row(); i <= bottomRight.row(); i++) {
377 QModelIndex networkIdx = topLeft.sibling(i, 0);
378 if(model()->rowCount(networkIdx) == 0)
381 bool isActive = networkIdx.data(NetworkModel::ItemActiveRole).toBool();
383 if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, true);
385 if(isExpanded(networkIdx) != isActive) setExpanded(networkIdx, isActive);
390 void BufferView::toggleHeader(bool checked) {
391 QAction *action = qobject_cast<QAction *>(sender());
392 header()->setSectionHidden((action->property("column")).toInt(), !checked);
395 void BufferView::contextMenuEvent(QContextMenuEvent *event) {
396 QModelIndex index = indexAt(event->pos());
400 QMenu contextMenu(this);
402 if(index.isValid()) {
403 addActionsToMenu(&contextMenu, index);
406 addFilterActions(&contextMenu, index);
408 if(!contextMenu.actions().isEmpty())
409 contextMenu.exec(QCursor::pos());
412 void BufferView::addActionsToMenu(QMenu *contextMenu, const QModelIndex &index) {
413 Client::mainUi()->actionProvider()->addActions(contextMenu, index, this, "menuActionTriggered", (bool)config());
416 void BufferView::addFilterActions(QMenu *contextMenu, const QModelIndex &index) {
417 BufferViewFilter *filter = qobject_cast<BufferViewFilter *>(model());
419 QList<QAction *> filterActions = filter->actions(index);
420 if(!filterActions.isEmpty()) {
421 contextMenu->addSeparator();
422 foreach(QAction *action, filterActions) {
423 contextMenu->addAction(action);
429 void BufferView::menuActionTriggered(QAction *result) {
430 NetworkModelActionProvider::ActionType type = (NetworkModelActionProvider::ActionType)result->data().toInt();
432 case NetworkModelActionProvider::HideBufferTemporarily:
433 removeSelectedBuffers();
435 case NetworkModelActionProvider::HideBufferPermanently:
436 removeSelectedBuffers(true);
443 void BufferView::wheelEvent(QWheelEvent* event) {
444 if(UiSettings().value("MouseWheelChangesBuffers", QVariant(true)).toBool() == (bool)(event->modifiers() & Qt::AltModifier))
445 return QTreeView::wheelEvent(event);
447 int rowDelta = ( event->delta() > 0 ) ? -1 : 1;
448 QModelIndex currentIndex = selectionModel()->currentIndex();
449 QModelIndex resultingIndex;
450 if( model()->hasIndex( currentIndex.row() + rowDelta, currentIndex.column(), currentIndex.parent() ) )
452 resultingIndex = currentIndex.sibling( currentIndex.row() + rowDelta, currentIndex.column() );
454 else //if we scroll into a the parent node...
456 QModelIndex parent = currentIndex.parent();
457 QModelIndex aunt = parent.sibling( parent.row() + rowDelta, parent.column() );
459 resultingIndex = aunt.child( model()->rowCount( aunt ) - 1, 0 );
461 resultingIndex = aunt.child( 0, 0 );
462 if( !resultingIndex.isValid() )
465 selectionModel()->setCurrentIndex( resultingIndex, QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows );
466 selectionModel()->select( resultingIndex, QItemSelectionModel::ClearAndSelect );
470 QSize BufferView::sizeHint() const {
471 return QTreeView::sizeHint();
474 return QTreeView::sizeHint();
476 if(model()->rowCount() == 0)
477 return QSize(120, 50);
480 for(int i = 0; i < model()->columnCount(); i++) {
481 if(!isColumnHidden(i))
482 columnSize += sizeHintForColumn(i);
484 return QSize(columnSize, 50);
487 // ==============================
489 // ==============================
490 BufferViewDock::BufferViewDock(BufferViewConfig *config, QWidget *parent)
491 : QDockWidget(config->bufferViewName(), parent)
493 setObjectName("BufferViewDock-" + QString::number(config->bufferViewId()));
494 toggleViewAction()->setData(config->bufferViewId());
495 setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
496 connect(config, SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(bufferViewRenamed(const QString &)));
499 BufferViewDock::BufferViewDock(QWidget *parent)
500 : QDockWidget(tr("All Buffers"), parent)
502 setObjectName("BufferViewDock--1");
503 toggleViewAction()->setData((int)-1);
504 setAllowedAreas(Qt::RightDockWidgetArea|Qt::LeftDockWidgetArea);
507 void BufferViewDock::bufferViewRenamed(const QString &newName) {
508 setWindowTitle(newName);
509 toggleViewAction()->setText(newName);