1 /***************************************************************************
2 * Copyright (C) 2005-09 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 "bufferviewfilter.h"
23 #include <QApplication>
27 #include "bufferinfo.h"
28 #include "buffermodel.h"
29 #include "buffersettings.h"
31 #include "clientbufferviewconfig.h"
32 #include "graphicalui.h"
33 #include "iconloader.h"
34 #include "networkmodel.h"
37 class CheckRemovalEvent : public QEvent {
39 CheckRemovalEvent(const QModelIndex &source_index) : QEvent(QEvent::User), index(source_index) {};
40 QPersistentModelIndex index;
43 /*****************************************
44 * The Filter for the Tree View
45 *****************************************/
46 BufferViewFilter::BufferViewFilter(QAbstractItemModel *model, BufferViewConfig *config)
47 : QSortFilterProxyModel(model),
49 _sortOrder(Qt::AscendingOrder),
51 _enableEditMode(tr("Show / Hide buffers"), this)
54 setSourceModel(model);
56 setDynamicSortFilter(true);
58 connect(this, SIGNAL(_dataChanged(const QModelIndex &, const QModelIndex &)),
59 this, SLOT(_q_sourceDataChanged(QModelIndex,QModelIndex)));
61 _enableEditMode.setCheckable(true);
62 _enableEditMode.setChecked(_editMode);
63 connect(&_enableEditMode, SIGNAL(toggled(bool)), this, SLOT(enableEditMode(bool)));
67 void BufferViewFilter::setConfig(BufferViewConfig *config) {
72 disconnect(_config, 0, this, 0);
83 if(config->isInitialized()) {
86 // we use a queued connection here since manipulating the connection list of a sending object
87 // doesn't seem to be such a good idea while executing a connected slots.
88 connect(config, SIGNAL(initDone()), this, SLOT(configInitialized()), Qt::QueuedConnection);
93 void BufferViewFilter::configInitialized() {
97 connect(config(), SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(invalidate()));
98 connect(config(), SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(invalidate()));
99 connect(config(), SIGNAL(addNewBuffersAutomaticallySet(bool)), this, SLOT(invalidate()));
100 connect(config(), SIGNAL(sortAlphabeticallySet(bool)), this, SLOT(invalidate()));
101 connect(config(), SIGNAL(hideInactiveBuffersSet(bool)), this, SLOT(invalidate()));
102 connect(config(), SIGNAL(allowedBufferTypesSet(int)), this, SLOT(invalidate()));
103 connect(config(), SIGNAL(minimumActivitySet(int)), this, SLOT(invalidate()));
104 connect(config(), SIGNAL(bufferListSet()), this, SLOT(invalidate()));
105 connect(config(), SIGNAL(bufferAdded(const BufferId &, int)), this, SLOT(invalidate()));
106 connect(config(), SIGNAL(bufferMoved(const BufferId &, int)), this, SLOT(invalidate()));
107 connect(config(), SIGNAL(bufferRemoved(const BufferId &)), this, SLOT(invalidate()));
108 connect(config(), SIGNAL(bufferPermanentlyRemoved(const BufferId &)), this, SLOT(invalidate()));
110 disconnect(config(), SIGNAL(initDone()), this, SLOT(configInitialized()));
112 setObjectName(config()->bufferViewName());
115 emit configChanged();
118 QList<QAction *> BufferViewFilter::actions(const QModelIndex &index) {
120 QList<QAction *> actionList;
121 actionList << &_enableEditMode;
125 void BufferViewFilter::enableEditMode(bool enable) {
126 if(_editMode == enable) {
134 if(enable == false) {
135 addBuffers(QList<BufferId>::fromSet(_toAdd));
136 QSet<BufferId>::const_iterator iter;
137 for(iter = _toTempRemove.constBegin(); iter != _toTempRemove.constEnd(); iter++) {
138 if(config()->temporarilyRemovedBuffers().contains(*iter))
140 config()->requestRemoveBuffer(*iter);
142 for(iter = _toRemove.constBegin(); iter != _toRemove.constEnd(); iter++) {
143 if(config()->removedBuffers().contains(*iter))
145 config()->requestRemoveBufferPermanently(*iter);
149 _toTempRemove.clear();
156 Qt::ItemFlags BufferViewFilter::flags(const QModelIndex &index) const {
157 QModelIndex source_index = mapToSource(index);
158 Qt::ItemFlags flags = sourceModel()->flags(source_index);
160 NetworkModel::ItemType itemType = (NetworkModel::ItemType)sourceModel()->data(source_index, NetworkModel::ItemTypeRole).toInt();
161 BufferInfo::Type bufferType = (BufferInfo::Type)sourceModel()->data(source_index, NetworkModel::BufferTypeRole).toInt();
162 if(source_index == QModelIndex() || itemType == NetworkModel::NetworkItemType) {
163 flags |= Qt::ItemIsDropEnabled;
164 } else if(_editMode) {
165 flags |= Qt::ItemIsUserCheckable | Qt::ItemIsTristate;
168 // prohibit dragging of most items. and most drop places
169 // only query to query is allowed for merging
170 if(bufferType != BufferInfo::QueryBuffer) {
171 ClientBufferViewConfig *clientConf = qobject_cast<ClientBufferViewConfig *>(config());
172 if(clientConf && clientConf->isLocked()) {
173 flags &= ~(Qt::ItemIsDropEnabled | Qt::ItemIsDragEnabled);
180 bool BufferViewFilter::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) {
181 if(!config() || !NetworkModel::mimeContainsBufferList(data))
182 return QSortFilterProxyModel::dropMimeData(data, action, row, column, parent);
184 NetworkId droppedNetworkId;
185 QModelIndex source_parent = mapToSource(parent);
186 if(sourceModel()->data(source_parent, NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType)
187 droppedNetworkId = sourceModel()->data(source_parent, NetworkModel::NetworkIdRole).value<NetworkId>();
189 QList< QPair<NetworkId, BufferId> > bufferList = NetworkModel::mimeDataToBufferList(data);
193 for(int i = 0; i < bufferList.count(); i++) {
194 networkId = bufferList[i].first;
195 bufferId = bufferList[i].second;
196 if(droppedNetworkId == networkId) {
200 if(row < rowCount(parent)) {
201 QModelIndex source_child = mapToSource(index(row, 0, parent));
202 BufferId beforeBufferId = sourceModel()->data(source_child, NetworkModel::BufferIdRole).value<BufferId>();
203 pos = config()->bufferList().indexOf(beforeBufferId);
204 if(_sortOrder == Qt::DescendingOrder)
207 if(_sortOrder == Qt::AscendingOrder)
208 pos = config()->bufferList().count();
213 if(config()->bufferList().contains(bufferId) && !config()->sortAlphabetically()) {
214 if(config()->bufferList().indexOf(bufferId) < pos)
216 ClientBufferViewConfig *clientConf = qobject_cast<ClientBufferViewConfig *>(config());
217 if(!clientConf || !clientConf->isLocked())
218 config()->requestMoveBuffer(bufferId, pos);
220 config()->requestAddBuffer(bufferId, pos);
230 void BufferViewFilter::sort(int column, Qt::SortOrder order) {
232 QSortFilterProxyModel::sort(column, order);
235 void BufferViewFilter::addBuffer(const BufferId &bufferId) const {
236 if(!config() || config()->bufferList().contains(bufferId))
239 int pos = config()->bufferList().count();
241 for(int i = 0; i < config()->bufferList().count(); i++) {
242 if(config() && config()->sortAlphabetically())
243 lt = bufferIdLessThan(bufferId, config()->bufferList()[i]);
245 lt = bufferId < config()->bufferList()[i];
252 config()->requestAddBuffer(bufferId, pos);
255 void BufferViewFilter::addBuffers(const QList<BufferId> &bufferIds) const {
259 QList<BufferId> bufferList = config()->bufferList();
260 foreach(BufferId bufferId, bufferIds) {
261 if(bufferList.contains(bufferId))
264 int pos = bufferList.count();
266 for(int i = 0; i < bufferList.count(); i++) {
267 if(config() && config()->sortAlphabetically())
268 lt = bufferIdLessThan(bufferId, bufferList[i]);
270 lt = bufferId < config()->bufferList()[i];
274 bufferList.insert(pos, bufferId);
278 config()->requestAddBuffer(bufferId, pos);
282 bool BufferViewFilter::filterAcceptBuffer(const QModelIndex &source_bufferIndex) const {
283 // no config -> "all buffers" -> accept everything
287 BufferId bufferId = sourceModel()->data(source_bufferIndex, NetworkModel::BufferIdRole).value<BufferId>();
288 Q_ASSERT(bufferId.isValid());
290 int activityLevel = sourceModel()->data(source_bufferIndex, NetworkModel::BufferActivityRole).toInt();
292 if(!config()->bufferList().contains(bufferId) && !_editMode) {
293 // add the buffer if...
294 if(config()->isInitialized()
295 && !config()->removedBuffers().contains(bufferId) // it hasn't been manually removed and either
296 && ((config()->addNewBuffersAutomatically() && !config()->temporarilyRemovedBuffers().contains(bufferId)) // is totally unknown to us (a new buffer)...
297 || (config()->temporarilyRemovedBuffers().contains(bufferId) && activityLevel > BufferInfo::OtherActivity))) { // or was just temporarily hidden and has a new message waiting for us.
300 // note: adding the buffer to the valid list does not temper with the following filters ("show only channels" and stuff)
304 if(config()->networkId().isValid() && config()->networkId() != sourceModel()->data(source_bufferIndex, NetworkModel::NetworkIdRole).value<NetworkId>())
307 int allowedBufferTypes = config()->allowedBufferTypes();
308 if(!config()->networkId().isValid())
309 allowedBufferTypes &= ~BufferInfo::StatusBuffer;
310 if(!(allowedBufferTypes & sourceModel()->data(source_bufferIndex, NetworkModel::BufferTypeRole).toInt()))
313 // the following dynamic filters may not trigger if the buffer is currently selected.
314 QModelIndex currentIndex = Client::bufferModel()->standardSelectionModel()->currentIndex();
315 if(bufferId == Client::bufferModel()->data(currentIndex, NetworkModel::BufferIdRole).value<BufferId>())
318 if(config()->hideInactiveBuffers() && !sourceModel()->data(source_bufferIndex, NetworkModel::ItemActiveRole).toBool() && activityLevel <= BufferInfo::OtherActivity)
321 if(config()->minimumActivity() > activityLevel)
327 bool BufferViewFilter::filterAcceptNetwork(const QModelIndex &source_index) const {
331 if(!config()->networkId().isValid()) {
334 return config()->networkId() == sourceModel()->data(source_index, NetworkModel::NetworkIdRole).value<NetworkId>();
338 bool BufferViewFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const {
339 QModelIndex child = sourceModel()->index(source_row, 0, source_parent);
341 if(!child.isValid()) {
342 qWarning() << "filterAcceptsRow has been called with an invalid Child";
346 NetworkModel::ItemType childType = (NetworkModel::ItemType)sourceModel()->data(child, NetworkModel::ItemTypeRole).toInt();
348 case NetworkModel::NetworkItemType:
349 return filterAcceptNetwork(child);
350 case NetworkModel::BufferItemType:
351 return filterAcceptBuffer(child);
357 bool BufferViewFilter::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
358 int leftItemType = sourceModel()->data(source_left, NetworkModel::ItemTypeRole).toInt();
359 int rightItemType = sourceModel()->data(source_right, NetworkModel::ItemTypeRole).toInt();
360 int itemType = leftItemType & rightItemType;
362 case NetworkModel::NetworkItemType:
363 return networkLessThan(source_left, source_right);
364 case NetworkModel::BufferItemType:
365 return bufferLessThan(source_left, source_right);
367 return QSortFilterProxyModel::lessThan(source_left, source_right);
371 bool BufferViewFilter::bufferLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
372 BufferId leftBufferId = sourceModel()->data(source_left, NetworkModel::BufferIdRole).value<BufferId>();
373 BufferId rightBufferId = sourceModel()->data(source_right, NetworkModel::BufferIdRole).value<BufferId>();
375 int leftPos = config()->bufferList().indexOf(leftBufferId);
376 int rightPos = config()->bufferList().indexOf(rightBufferId);
377 if(leftPos == -1 && rightPos == -1)
378 return QSortFilterProxyModel::lessThan(source_left, source_right);
379 if(leftPos == -1 || rightPos == -1)
380 return !(leftPos < rightPos);
381 return leftPos < rightPos;
383 return bufferIdLessThan(leftBufferId, rightBufferId);
386 bool BufferViewFilter::networkLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
387 NetworkId leftNetworkId = sourceModel()->data(source_left, NetworkModel::NetworkIdRole).value<NetworkId>();
388 NetworkId rightNetworkId = sourceModel()->data(source_right, NetworkModel::NetworkIdRole).value<NetworkId>();
390 return QSortFilterProxyModel::lessThan(source_left, source_right);
393 QVariant BufferViewFilter::data(const QModelIndex &index, int role) const {
396 case Qt::ForegroundRole:
397 case Qt::BackgroundRole:
398 case Qt::DecorationRole:
399 if((config() && config()->disableDecoration()))
401 return GraphicalUi::uiStyle()->bufferViewItemData(mapToSource(index), role);
402 case Qt::CheckStateRole:
403 return checkedState(index);
405 return QSortFilterProxyModel::data(index, role);
409 QVariant BufferViewFilter::checkedState(const QModelIndex &index) const {
410 if(!_editMode || !config())
413 QModelIndex source_index = mapToSource(index);
414 if(source_index == QModelIndex() || sourceModel()->data(source_index, NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType)
417 BufferId bufferId = sourceModel()->data(source_index, NetworkModel::BufferIdRole).value<BufferId>();
418 if(_toAdd.contains(bufferId))
421 if(_toTempRemove.contains(bufferId))
422 return Qt::PartiallyChecked;
424 if(_toRemove.contains(bufferId))
425 return Qt::Unchecked;
427 if(config()->bufferList().contains(bufferId))
430 if(config()->temporarilyRemovedBuffers().contains(bufferId))
431 return Qt::PartiallyChecked;
433 return Qt::Unchecked;
436 bool BufferViewFilter::setData(const QModelIndex &index, const QVariant &value, int role) {
438 case Qt::CheckStateRole:
439 return setCheckedState(index, Qt::CheckState(value.toInt()));
441 return QSortFilterProxyModel::setData(index, value, role);
445 bool BufferViewFilter::setCheckedState(const QModelIndex &index, Qt::CheckState state) {
446 QModelIndex source_index = mapToSource(index);
447 BufferId bufferId = sourceModel()->data(source_index, NetworkModel::BufferIdRole).value<BufferId>();
448 if(!bufferId.isValid())
453 _toAdd.remove(bufferId);
454 _toTempRemove.remove(bufferId);
455 _toRemove << bufferId;
457 case Qt::PartiallyChecked:
458 _toAdd.remove(bufferId);
459 _toTempRemove << bufferId;
460 _toRemove.remove(bufferId);
464 _toTempRemove.remove(bufferId);
465 _toRemove.remove(bufferId);
470 emit dataChanged(index, index);
474 void BufferViewFilter::checkPreviousCurrentForRemoval(const QModelIndex ¤t, const QModelIndex &previous) {
476 if(previous.isValid())
477 QCoreApplication::postEvent(this, new CheckRemovalEvent(previous));
480 void BufferViewFilter::customEvent(QEvent *event) {
481 if(event->type() != QEvent::User)
484 CheckRemovalEvent *removalEvent = static_cast<CheckRemovalEvent *>(event);
485 checkItemForRemoval(removalEvent->index);
490 void BufferViewFilter::checkItemsForRemoval(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
491 QModelIndex source_topLeft = mapToSource(topLeft);
492 QModelIndex source_bottomRight = mapToSource(bottomRight);
493 emit _dataChanged(source_topLeft, source_bottomRight);
496 bool BufferViewFilter::bufferIdLessThan(const BufferId &left, const BufferId &right) {
497 Q_CHECK_PTR(Client::networkModel());
498 if(!Client::networkModel())
501 QModelIndex leftIndex = Client::networkModel()->bufferIndex(left);
502 QModelIndex rightIndex = Client::networkModel()->bufferIndex(right);
504 int leftType = Client::networkModel()->data(leftIndex, NetworkModel::BufferTypeRole).toInt();
505 int rightType = Client::networkModel()->data(rightIndex, NetworkModel::BufferTypeRole).toInt();
507 if(leftType != rightType)
508 return leftType < rightType;
510 return QString::compare(Client::networkModel()->data(leftIndex, Qt::DisplayRole).toString(), Client::networkModel()->data(rightIndex, Qt::DisplayRole).toString(), Qt::CaseInsensitive) < 0;