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 "bufferviewfilter.h"
23 #include <QApplication>
27 #include "bufferinfo.h"
28 #include "buffermodel.h"
29 #include "buffersettings.h"
31 #include "iconloader.h"
32 #include "networkmodel.h"
34 #include "uisettings.h"
36 class CheckRemovalEvent : public QEvent {
38 CheckRemovalEvent(const QModelIndex &source_index) : QEvent(QEvent::User), index(source_index) {};
39 QPersistentModelIndex index;
42 /*****************************************
43 * The Filter for the Tree View
44 *****************************************/
45 BufferViewFilter::BufferViewFilter(QAbstractItemModel *model, BufferViewConfig *config)
46 : QSortFilterProxyModel(model),
48 _sortOrder(Qt::AscendingOrder),
49 _userOfflineIcon(SmallIcon("user-offline")),
50 _userAwayIcon(SmallIcon("user-away")),
51 _userOnlineIcon(SmallIcon("user-online")),
53 _enableEditMode(tr("Edit Mode"), this)
56 setSourceModel(model);
58 setDynamicSortFilter(true);
62 connect(this, SIGNAL(_dataChanged(const QModelIndex &, const QModelIndex &)),
63 this, SLOT(_q_sourceDataChanged(QModelIndex,QModelIndex)));
65 _enableEditMode.setCheckable(true);
66 _enableEditMode.setChecked(_editMode);
67 connect(&_enableEditMode, SIGNAL(toggled(bool)), this, SLOT(enableEditMode(bool)));
69 BufferSettings bufferSettings;
70 _showUserStateIcons = bufferSettings.showUserStateIcons();
71 bufferSettings.notify("ShowUserStateIcons", this, SLOT(showUserStateIconsChanged()));
74 void BufferViewFilter::loadColors() {
75 UiSettings s("QtUiStyle/Colors");
76 _FgColorInactiveActivity = s.value("inactiveActivityFG", QVariant(QColor(Qt::gray))).value<QColor>();
77 _FgColorNoActivity = s.value("noActivityFG", QVariant(QColor(Qt::black))).value<QColor>();
78 _FgColorHighlightActivity = s.value("highlightActivityFG", QVariant(QColor(Qt::magenta))).value<QColor>();
79 _FgColorNewMessageActivity = s.value("newMessageActivityFG", QVariant(QColor(Qt::green))).value<QColor>();
80 _FgColorOtherActivity = s.value("otherActivityFG", QVariant(QColor(Qt::darkGreen))).value<QColor>();
83 void BufferViewFilter::showUserStateIconsChanged() {
84 BufferSettings bufferSettings;
85 _showUserStateIcons = bufferSettings.showUserStateIcons();
88 void BufferViewFilter::setConfig(BufferViewConfig *config) {
93 disconnect(_config, 0, this, 0);
103 if(config->isInitialized()) {
106 connect(config, SIGNAL(initDone()), this, SLOT(configInitialized()));
111 void BufferViewFilter::configInitialized() {
115 connect(config(), SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(invalidate()));
116 connect(config(), SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(invalidate()));
117 connect(config(), SIGNAL(addNewBuffersAutomaticallySet(bool)), this, SLOT(invalidate()));
118 connect(config(), SIGNAL(sortAlphabeticallySet(bool)), this, SLOT(invalidate()));
119 connect(config(), SIGNAL(hideInactiveBuffersSet(bool)), this, SLOT(invalidate()));
120 connect(config(), SIGNAL(allowedBufferTypesSet(int)), this, SLOT(invalidate()));
121 connect(config(), SIGNAL(minimumActivitySet(int)), this, SLOT(invalidate()));
122 connect(config(), SIGNAL(bufferListSet()), this, SLOT(invalidate()));
123 connect(config(), SIGNAL(bufferAdded(const BufferId &, int)), this, SLOT(invalidate()));
124 connect(config(), SIGNAL(bufferMoved(const BufferId &, int)), this, SLOT(invalidate()));
125 connect(config(), SIGNAL(bufferRemoved(const BufferId &)), this, SLOT(invalidate()));
126 connect(config(), SIGNAL(bufferPermanentlyRemoved(const BufferId &)), this, SLOT(invalidate()));
128 disconnect(config(), SIGNAL(initDone()), this, SLOT(configInitialized()));
131 emit configChanged();
134 QList<QAction *> BufferViewFilter::actions(const QModelIndex &index) {
136 QList<QAction *> actionList;
137 actionList << &_enableEditMode;
141 void BufferViewFilter::enableEditMode(bool enable) {
142 if(_editMode == enable) {
150 if(enable == false) {
151 int numBuffers = config()->bufferList().count();
152 QSet<BufferId>::const_iterator iter;
153 for(iter = _toAdd.constBegin(); iter != _toAdd.constEnd(); iter++) {
154 if(config()->bufferList().contains(*iter))
156 config()->requestAddBuffer(*iter, numBuffers);
158 for(iter = _toTempRemove.constBegin(); iter != _toTempRemove.constEnd(); iter++) {
159 if(config()->temporarilyRemovedBuffers().contains(*iter))
161 config()->requestRemoveBuffer(*iter);
163 for(iter = _toRemove.constBegin(); iter != _toRemove.constEnd(); iter++) {
164 if(config()->removedBuffers().contains(*iter))
166 config()->requestRemoveBufferPermanently(*iter);
170 _toTempRemove.clear();
177 Qt::ItemFlags BufferViewFilter::flags(const QModelIndex &index) const {
178 Qt::ItemFlags flags = mapToSource(index).flags();
180 if(index == QModelIndex() || index.parent() == QModelIndex()) {
181 flags |= Qt::ItemIsDropEnabled;
182 } else if(_editMode) {
183 flags |= Qt::ItemIsUserCheckable | Qt::ItemIsTristate;
189 bool BufferViewFilter::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) {
190 if(!config() || !NetworkModel::mimeContainsBufferList(data))
191 return QSortFilterProxyModel::dropMimeData(data, action, row, column, parent);
193 NetworkId droppedNetworkId;
194 if(parent.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType)
195 droppedNetworkId = parent.data(NetworkModel::NetworkIdRole).value<NetworkId>();
197 QList< QPair<NetworkId, BufferId> > bufferList = NetworkModel::mimeDataToBufferList(data);
201 for(int i = 0; i < bufferList.count(); i++) {
202 networkId = bufferList[i].first;
203 bufferId = bufferList[i].second;
204 if(droppedNetworkId == networkId) {
208 if(row < rowCount(parent)) {
209 BufferId beforeBufferId = parent.child(row, 0).data(NetworkModel::BufferIdRole).value<BufferId>();
210 pos = config()->bufferList().indexOf(beforeBufferId);
211 if(_sortOrder == Qt::DescendingOrder)
214 if(_sortOrder == Qt::AscendingOrder)
215 pos = config()->bufferList().count();
220 if(config()->bufferList().contains(bufferId)) {
221 if(config()->bufferList().indexOf(bufferId) < pos)
223 config()->requestMoveBuffer(bufferId, pos);
225 config()->requestAddBuffer(bufferId, pos);
235 void BufferViewFilter::sort(int column, Qt::SortOrder order) {
237 QSortFilterProxyModel::sort(column, order);
240 void BufferViewFilter::addBuffer(const BufferId &bufferId) const {
241 if(!config() || config()->bufferList().contains(bufferId))
244 int pos = config()->bufferList().count();
246 for(int i = 0; i < config()->bufferList().count(); i++) {
247 if(config() && config()->sortAlphabetically())
248 lt = bufferIdLessThan(bufferId, config()->bufferList()[i]);
250 lt = bufferId < config()->bufferList()[i];
257 config()->requestAddBuffer(bufferId, pos);
260 bool BufferViewFilter::filterAcceptBuffer(const QModelIndex &source_bufferIndex) const {
261 // no config -> "all buffers" -> accept everything
265 BufferId bufferId = source_bufferIndex.data(NetworkModel::BufferIdRole).value<BufferId>();
266 Q_ASSERT(bufferId.isValid());
268 int activityLevel = source_bufferIndex.data(NetworkModel::BufferActivityRole).toInt();
270 if(!config()->bufferList().contains(bufferId) && !_editMode) {
271 // add the buffer if...
272 if(config()->isInitialized() && !config()->removedBuffers().contains(bufferId) // it hasn't been manually removed and either
273 && ((config()->addNewBuffersAutomatically() && !config()->temporarilyRemovedBuffers().contains(bufferId)) // is totally unknown to us (a new buffer)...
274 || (config()->temporarilyRemovedBuffers().contains(bufferId) && activityLevel > BufferInfo::OtherActivity))) { // or was just temporarily hidden and has a new message waiting for us.
277 // note: adding the buffer to the valid list does not temper with the following filters ("show only channels" and stuff)
281 if(config()->networkId().isValid() && config()->networkId() != source_bufferIndex.data(NetworkModel::NetworkIdRole).value<NetworkId>())
284 int allowedBufferTypes = config()->allowedBufferTypes();
285 if(!config()->networkId().isValid())
286 allowedBufferTypes &= ~BufferInfo::StatusBuffer;
287 if(!(allowedBufferTypes & source_bufferIndex.data(NetworkModel::BufferTypeRole).toInt()))
290 // the following dynamic filters may not trigger if the buffer is currently selected.
291 if(bufferId == Client::bufferModel()->standardSelectionModel()->currentIndex().data(NetworkModel::BufferIdRole).value<BufferId>())
294 if(config()->hideInactiveBuffers() && !source_bufferIndex.data(NetworkModel::ItemActiveRole).toBool() && activityLevel <= BufferInfo::OtherActivity)
297 if(config()->minimumActivity() > activityLevel)
303 bool BufferViewFilter::filterAcceptNetwork(const QModelIndex &source_index) const {
307 if(!config()->networkId().isValid()) {
310 return config()->networkId() == source_index.data(NetworkModel::NetworkIdRole).value<NetworkId>();
314 bool BufferViewFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const {
315 QModelIndex child = sourceModel()->index(source_row, 0, source_parent);
317 if(!child.isValid()) {
318 qWarning() << "filterAcceptsRow has been called with an invalid Child";
322 if(!source_parent.isValid())
323 return filterAcceptNetwork(child);
325 return filterAcceptBuffer(child);
328 bool BufferViewFilter::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
329 int leftItemType = source_left.data(NetworkModel::ItemTypeRole).toInt();
330 int rightItemType = source_right.data(NetworkModel::ItemTypeRole).toInt();
331 int itemType = leftItemType & rightItemType;
333 case NetworkModel::NetworkItemType:
334 return networkLessThan(source_left, source_right);
335 case NetworkModel::BufferItemType:
336 return bufferLessThan(source_left, source_right);
338 return QSortFilterProxyModel::lessThan(source_left, source_right);
342 bool BufferViewFilter::bufferLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
343 BufferId leftBufferId = source_left.data(NetworkModel::BufferIdRole).value<BufferId>();
344 BufferId rightBufferId = source_right.data(NetworkModel::BufferIdRole).value<BufferId>();
346 int leftPos = config()->bufferList().indexOf(leftBufferId);
347 int rightPos = config()->bufferList().indexOf(rightBufferId);
348 if(leftPos == -1 && rightPos == -1)
349 return QSortFilterProxyModel::lessThan(source_left, source_right);
350 if(leftPos == -1 || rightPos == -1)
351 return !(leftPos < rightPos);
352 return leftPos < rightPos;
354 return bufferIdLessThan(leftBufferId, rightBufferId);
357 bool BufferViewFilter::networkLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
358 NetworkId leftNetworkId = source_left.data(NetworkModel::NetworkIdRole).value<NetworkId>();
359 NetworkId rightNetworkId = source_right.data(NetworkModel::NetworkIdRole).value<NetworkId>();
361 if(config() && config()->sortAlphabetically())
362 return QSortFilterProxyModel::lessThan(source_left, source_right);
364 return leftNetworkId < rightNetworkId;
367 QVariant BufferViewFilter::data(const QModelIndex &index, int role) const {
369 case Qt::DecorationRole:
371 case Qt::ForegroundRole:
372 return foreground(index);
373 case Qt::CheckStateRole:
374 return checkedState(index);
376 return QSortFilterProxyModel::data(index, role);
380 QVariant BufferViewFilter::icon(const QModelIndex &index) const {
381 if(!_showUserStateIcons || (config() && config()->disableDecoration()))
384 if(index.column() != 0)
387 if(index.data(NetworkModel::BufferTypeRole).toInt() != BufferInfo::QueryBuffer)
390 if(!index.data(NetworkModel::ItemActiveRole).toBool())
391 return _userOfflineIcon;
393 if(index.data(NetworkModel::UserAwayRole).toBool())
394 return _userAwayIcon;
396 return _userOnlineIcon;
401 QVariant BufferViewFilter::foreground(const QModelIndex &index) const {
402 if(config() && config()->disableDecoration())
403 return _FgColorNoActivity;
405 BufferInfo::ActivityLevel activity = (BufferInfo::ActivityLevel)index.data(NetworkModel::BufferActivityRole).toInt();
407 if(activity & BufferInfo::Highlight)
408 return _FgColorHighlightActivity;
409 if(activity & BufferInfo::NewMessage)
410 return _FgColorNewMessageActivity;
411 if(activity & BufferInfo::OtherActivity)
412 return _FgColorOtherActivity;
414 if(!index.data(NetworkModel::ItemActiveRole).toBool() || index.data(NetworkModel::UserAwayRole).toBool())
415 return _FgColorInactiveActivity;
417 return _FgColorNoActivity;
420 QVariant BufferViewFilter::checkedState(const QModelIndex &index) const {
421 if(!_editMode || !config())
424 BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
425 if(_toAdd.contains(bufferId))
428 if(_toTempRemove.contains(bufferId))
429 return Qt::PartiallyChecked;
431 if(_toRemove.contains(bufferId))
432 return Qt::Unchecked;
434 if(config()->bufferList().contains(bufferId))
437 if(config()->temporarilyRemovedBuffers().contains(bufferId))
438 return Qt::PartiallyChecked;
440 return Qt::Unchecked;
443 bool BufferViewFilter::setData(const QModelIndex &index, const QVariant &value, int role) {
445 case Qt::CheckStateRole:
446 return setCheckedState(index, Qt::CheckState(value.toInt()));
448 return QSortFilterProxyModel::setData(index, value, role);
452 bool BufferViewFilter::setCheckedState(const QModelIndex &index, Qt::CheckState state) {
453 BufferId bufferId = index.data(NetworkModel::BufferIdRole).value<BufferId>();
454 if(!bufferId.isValid())
459 _toAdd.remove(bufferId);
460 _toTempRemove.remove(bufferId);
461 _toRemove << bufferId;
463 case Qt::PartiallyChecked:
464 _toAdd.remove(bufferId);
465 _toTempRemove << bufferId;
466 _toRemove.remove(bufferId);
470 _toTempRemove.remove(bufferId);
471 _toRemove.remove(bufferId);
476 emit dataChanged(index, index);
480 void BufferViewFilter::checkPreviousCurrentForRemoval(const QModelIndex ¤t, const QModelIndex &previous) {
482 if(previous.isValid())
483 QCoreApplication::postEvent(this, new CheckRemovalEvent(previous));
486 void BufferViewFilter::customEvent(QEvent *event) {
487 if(event->type() != QEvent::User)
490 CheckRemovalEvent *removalEvent = static_cast<CheckRemovalEvent *>(event);
491 checkItemForRemoval(removalEvent->index);
496 void BufferViewFilter::checkItemsForRemoval(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
497 QModelIndex source_topLeft = mapToSource(topLeft);
498 QModelIndex source_bottomRight = mapToSource(bottomRight);
499 emit _dataChanged(source_topLeft, source_bottomRight);
502 bool BufferViewFilter::bufferIdLessThan(const BufferId &left, const BufferId &right) {
503 Q_CHECK_PTR(Client::networkModel());
504 if(!Client::networkModel())
507 QModelIndex leftIndex = Client::networkModel()->bufferIndex(left);
508 QModelIndex rightIndex = Client::networkModel()->bufferIndex(right);
510 int leftType = leftIndex.data(NetworkModel::BufferTypeRole).toInt();
511 int rightType = rightIndex.data(NetworkModel::BufferTypeRole).toInt();
513 if(leftType != rightType)
514 return leftType < rightType;
516 return QString::compare(leftIndex.data(Qt::DisplayRole).toString(), rightIndex.data(Qt::DisplayRole).toString(), Qt::CaseInsensitive) < 0;