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"
30 #include "networkmodel.h"
32 #include "uisettings.h"
34 class CheckRemovalEvent : public QEvent {
36 CheckRemovalEvent(const QModelIndex &source_index) : QEvent(QEvent::User), index(source_index) {};
37 QPersistentModelIndex index;
40 /*****************************************
41 * The Filter for the Tree View
42 *****************************************/
43 BufferViewFilter::BufferViewFilter(QAbstractItemModel *model, BufferViewConfig *config)
44 : QSortFilterProxyModel(model),
46 _sortOrder(Qt::AscendingOrder)
49 setSourceModel(model);
51 setDynamicSortFilter(true);
55 connect(this, SIGNAL(_dataChanged(const QModelIndex &, const QModelIndex &)),
56 this, SLOT(_q_sourceDataChanged(QModelIndex,QModelIndex)));
59 void BufferViewFilter::loadColors() {
60 UiSettings s("QtUiStyle/Colors");
61 _FgColorInactiveActivity = s.value("inactiveActivityFG", QVariant(QColor(Qt::gray))).value<QColor>();
62 _FgColorNoActivity = s.value("noActivityFG", QVariant(QColor(Qt::black))).value<QColor>();
63 _FgColorHighlightActivity = s.value("highlightActivityFG", QVariant(QColor(Qt::magenta))).value<QColor>();
64 _FgColorNewMessageActivity = s.value("newMessageActivityFG", QVariant(QColor(Qt::green))).value<QColor>();
65 _FgColorOtherActivity = s.value("otherActivityFG", QVariant(QColor(Qt::darkGreen))).value<QColor>();
68 void BufferViewFilter::setConfig(BufferViewConfig *config) {
73 disconnect(_config, 0, this, 0);
83 if(config->isInitialized()) {
86 connect(config, SIGNAL(initDone()), this, SLOT(configInitialized()));
91 void BufferViewFilter::configInitialized() {
95 connect(config(), SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(invalidate()));
96 connect(config(), SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(invalidate()));
97 connect(config(), SIGNAL(addNewBuffersAutomaticallySet(bool)), this, SLOT(invalidate()));
98 connect(config(), SIGNAL(sortAlphabeticallySet(bool)), this, SLOT(invalidate()));
99 connect(config(), SIGNAL(hideInactiveBuffersSet(bool)), this, SLOT(invalidate()));
100 connect(config(), SIGNAL(allowedBufferTypesSet(int)), this, SLOT(invalidate()));
101 connect(config(), SIGNAL(minimumActivitySet(int)), this, SLOT(invalidate()));
102 connect(config(), SIGNAL(bufferListSet()), this, SLOT(invalidate()));
103 connect(config(), SIGNAL(bufferAdded(const BufferId &, int)), this, SLOT(invalidate()));
104 connect(config(), SIGNAL(bufferMoved(const BufferId &, int)), this, SLOT(invalidate()));
105 connect(config(), SIGNAL(bufferRemoved(const BufferId &)), this, SLOT(invalidate()));
106 connect(config(), SIGNAL(bufferPermanentlyRemoved(const BufferId &)), this, SLOT(invalidate()));
108 disconnect(config(), SIGNAL(initDone()), this, SLOT(configInitialized()));
111 emit configChanged();
114 Qt::ItemFlags BufferViewFilter::flags(const QModelIndex &index) const {
115 Qt::ItemFlags flags = mapToSource(index).flags();
116 if(_config && (index == QModelIndex() || index.parent() == QModelIndex()))
117 flags |= Qt::ItemIsDropEnabled;
121 bool BufferViewFilter::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) {
122 if(!config() || !NetworkModel::mimeContainsBufferList(data))
123 return QSortFilterProxyModel::dropMimeData(data, action, row, column, parent);
125 NetworkId droppedNetworkId;
126 if(parent.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType)
127 droppedNetworkId = parent.data(NetworkModel::NetworkIdRole).value<NetworkId>();
129 QList< QPair<NetworkId, BufferId> > bufferList = NetworkModel::mimeDataToBufferList(data);
133 for(int i = 0; i < bufferList.count(); i++) {
134 networkId = bufferList[i].first;
135 bufferId = bufferList[i].second;
136 if(droppedNetworkId == networkId) {
140 if(row < rowCount(parent)) {
141 BufferId beforeBufferId = parent.child(row, 0).data(NetworkModel::BufferIdRole).value<BufferId>();
142 pos = config()->bufferList().indexOf(beforeBufferId);
143 if(_sortOrder == Qt::DescendingOrder)
146 if(_sortOrder == Qt::AscendingOrder)
147 pos = config()->bufferList().count();
152 if(config()->bufferList().contains(bufferId)) {
153 if(config()->bufferList().indexOf(bufferId) < pos)
155 config()->requestMoveBuffer(bufferId, pos);
157 config()->requestAddBuffer(bufferId, pos);
167 void BufferViewFilter::sort(int column, Qt::SortOrder order) {
169 QSortFilterProxyModel::sort(column, order);
172 void BufferViewFilter::addBuffer(const BufferId &bufferId) const {
173 if(!config() || config()->bufferList().contains(bufferId))
176 int pos = config()->bufferList().count();
178 for(int i = 0; i < config()->bufferList().count(); i++) {
179 if(config() && config()->sortAlphabetically())
180 lt = bufferIdLessThan(bufferId, config()->bufferList()[i]);
182 lt = bufferId < config()->bufferList()[i];
189 config()->requestAddBuffer(bufferId, pos);
192 bool BufferViewFilter::filterAcceptBuffer(const QModelIndex &source_bufferIndex) const {
193 // no config -> "all buffers" -> accept everything
197 BufferId bufferId = sourceModel()->data(source_bufferIndex, NetworkModel::BufferIdRole).value<BufferId>();
198 Q_ASSERT(bufferId.isValid());
200 int activityLevel = source_bufferIndex.data(NetworkModel::BufferActivityRole).toInt();
202 if(!config()->bufferList().contains(bufferId)) {
203 // add the buffer if...
204 if(config()->isInitialized() && !config()->removedBuffers().contains(bufferId) // it hasn't been manually removed and either
205 && ((config()->addNewBuffersAutomatically() && !config()->temporarilyRemovedBuffers().contains(bufferId)) // is totally unknown to us (a new buffer)...
206 || (config()->temporarilyRemovedBuffers().contains(bufferId) && activityLevel > BufferInfo::OtherActivity))) { // or was just temporarily hidden and has a new message waiting for us.
209 // note: adding the buffer to the valid list does not temper with the following filters ("show only channels" and stuff)
213 if(config()->networkId().isValid() && config()->networkId() != sourceModel()->data(source_bufferIndex, NetworkModel::NetworkIdRole).value<NetworkId>())
216 if(!(config()->allowedBufferTypes() & (BufferInfo::Type)source_bufferIndex.data(NetworkModel::BufferTypeRole).toInt()))
219 // the following dynamic filters may not trigger if the buffer is currently selected.
220 if(bufferId == Client::bufferModel()->standardSelectionModel()->currentIndex().data(NetworkModel::BufferIdRole).value<BufferId>())
223 if(config()->hideInactiveBuffers() && !source_bufferIndex.data(NetworkModel::ItemActiveRole).toBool() && activityLevel <= BufferInfo::OtherActivity)
226 if(config()->minimumActivity() > activityLevel)
232 bool BufferViewFilter::filterAcceptNetwork(const QModelIndex &source_index) const {
236 if(!config()->networkId().isValid()) {
239 return config()->networkId() == sourceModel()->data(source_index, NetworkModel::NetworkIdRole).value<NetworkId>();
243 bool BufferViewFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const {
244 QModelIndex child = sourceModel()->index(source_row, 0, source_parent);
246 if(!child.isValid()) {
247 qWarning() << "filterAcceptsRow has been called with an invalid Child";
251 if(!source_parent.isValid())
252 return filterAcceptNetwork(child);
254 return filterAcceptBuffer(child);
257 bool BufferViewFilter::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
258 int itemType = sourceModel()->data(source_left, NetworkModel::ItemTypeRole).toInt();
260 case NetworkModel::NetworkItemType:
261 return networkLessThan(source_left, source_right);
262 case NetworkModel::BufferItemType:
263 return bufferLessThan(source_left, source_right);
265 return QSortFilterProxyModel::lessThan(source_left, source_right);
269 bool BufferViewFilter::bufferLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
270 BufferId leftBufferId = sourceModel()->data(source_left, NetworkModel::BufferIdRole).value<BufferId>();
271 BufferId rightBufferId = sourceModel()->data(source_right, NetworkModel::BufferIdRole).value<BufferId>();
273 return config()->bufferList().indexOf(leftBufferId) < config()->bufferList().indexOf(rightBufferId);
275 return bufferIdLessThan(leftBufferId, rightBufferId);
278 bool BufferViewFilter::networkLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
279 NetworkId leftNetworkId = sourceModel()->data(source_left, NetworkModel::NetworkIdRole).value<NetworkId>();
280 NetworkId rightNetworkId = sourceModel()->data(source_right, NetworkModel::NetworkIdRole).value<NetworkId>();
282 if(config() && config()->sortAlphabetically())
283 return QSortFilterProxyModel::lessThan(source_left, source_right);
285 return leftNetworkId < rightNetworkId;
288 QVariant BufferViewFilter::data(const QModelIndex &index, int role) const {
290 case Qt::ForegroundRole:
291 return foreground(index);
292 case Qt::BackgroundRole:
293 if(index.data(NetworkModel::UserAwayRole).toBool()) {
294 QLinearGradient gradient(0, 0, 0, 18);
295 gradient.setColorAt(0.4, QApplication::palette().color(QPalette::Normal, QPalette::Base));
296 gradient.setColorAt(0.5, QApplication::palette().color(QPalette::Disabled, QPalette::Base));
297 gradient.setColorAt(0.6, QApplication::palette().color(QPalette::Normal, QPalette::Base));
298 return QBrush(gradient);
300 // else: fallthrough to default
302 return QSortFilterProxyModel::data(index, role);
306 QVariant BufferViewFilter::foreground(const QModelIndex &index) const {
307 BufferInfo::ActivityLevel activity = (BufferInfo::ActivityLevel)index.data(NetworkModel::BufferActivityRole).toInt();
309 if(activity & BufferInfo::Highlight)
310 return _FgColorHighlightActivity;
311 if(activity & BufferInfo::NewMessage)
312 return _FgColorNewMessageActivity;
313 if(activity & BufferInfo::OtherActivity)
314 return _FgColorOtherActivity;
316 if(!index.data(NetworkModel::ItemActiveRole).toBool())
317 return _FgColorInactiveActivity;
319 return _FgColorNoActivity;
322 void BufferViewFilter::checkPreviousCurrentForRemoval(const QModelIndex ¤t, const QModelIndex &previous) {
324 if(previous.isValid())
325 QCoreApplication::postEvent(this, new CheckRemovalEvent(previous));
328 void BufferViewFilter::customEvent(QEvent *event) {
329 if(event->type() != QEvent::User)
332 CheckRemovalEvent *removalEvent = static_cast<CheckRemovalEvent *>(event);
333 checkItemForRemoval(removalEvent->index);
338 void BufferViewFilter::checkItemsForRemoval(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
339 QModelIndex source_topLeft = mapToSource(topLeft);
340 QModelIndex source_bottomRight = mapToSource(bottomRight);
341 emit _dataChanged(source_topLeft, source_bottomRight);
344 // ******************************
346 // ******************************
347 bool bufferIdLessThan(const BufferId &left, const BufferId &right) {
348 Q_CHECK_PTR(Client::networkModel());
349 if(!Client::networkModel())
352 QModelIndex leftIndex = Client::networkModel()->bufferIndex(left);
353 QModelIndex rightIndex = Client::networkModel()->bufferIndex(right);
355 int leftType = Client::networkModel()->data(leftIndex, NetworkModel::BufferTypeRole).toInt();
356 int rightType = Client::networkModel()->data(rightIndex, NetworkModel::BufferTypeRole).toInt();
358 if(leftType != rightType)
359 return leftType < rightType;
361 return QString::compare(Client::networkModel()->data(leftIndex, Qt::DisplayRole).toString(), Client::networkModel()->data(rightIndex, Qt::DisplayRole).toString(), Qt::CaseInsensitive) < 0;