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 "buffermodel.h"
29 #include "networkmodel.h"
31 #include "uisettings.h"
33 class CheckRemovalEvent : public QEvent {
35 CheckRemovalEvent(const QModelIndex &source_index) : QEvent(QEvent::User), index(source_index) {};
36 QPersistentModelIndex index;
39 /*****************************************
40 * The Filter for the Tree View
41 *****************************************/
42 BufferViewFilter::BufferViewFilter(QAbstractItemModel *model, BufferViewConfig *config)
43 : QSortFilterProxyModel(model),
45 _sortOrder(Qt::AscendingOrder)
48 setSourceModel(model);
50 setDynamicSortFilter(true);
54 connect(this, SIGNAL(_dataChanged(const QModelIndex &, const QModelIndex &)),
55 this, SLOT(_q_sourceDataChanged(QModelIndex,QModelIndex)));
58 void BufferViewFilter::loadColors() {
59 UiSettings s("QtUiStyle/Colors");
60 _FgColorInactiveActivity = s.value("inactiveActivityFG", QVariant(QColor(Qt::gray))).value<QColor>();
61 _FgColorNoActivity = s.value("noActivityFG", QVariant(QColor(Qt::black))).value<QColor>();
62 _FgColorHighlightActivity = s.value("highlightActivityFG", QVariant(QColor(Qt::magenta))).value<QColor>();
63 _FgColorNewMessageActivity = s.value("newMessageActivityFG", QVariant(QColor(Qt::green))).value<QColor>();
64 _FgColorOtherActivity = s.value("otherActivityFG", QVariant(QColor(Qt::darkGreen))).value<QColor>();
67 void BufferViewFilter::setConfig(BufferViewConfig *config) {
72 disconnect(_config, 0, this, 0);
82 if(config->isInitialized()) {
85 connect(config, SIGNAL(initDone()), this, SLOT(configInitialized()));
90 void BufferViewFilter::configInitialized() {
94 connect(config(), SIGNAL(bufferViewNameSet(const QString &)), this, SLOT(invalidate()));
95 connect(config(), SIGNAL(networkIdSet(const NetworkId &)), this, SLOT(invalidate()));
96 connect(config(), SIGNAL(addNewBuffersAutomaticallySet(bool)), this, SLOT(invalidate()));
97 connect(config(), SIGNAL(sortAlphabeticallySet(bool)), this, SLOT(invalidate()));
98 connect(config(), SIGNAL(hideInactiveBuffersSet(bool)), this, SLOT(invalidate()));
99 connect(config(), SIGNAL(allowedBufferTypesSet(int)), this, SLOT(invalidate()));
100 connect(config(), SIGNAL(minimumActivitySet(int)), this, SLOT(invalidate()));
101 connect(config(), SIGNAL(bufferListSet()), this, SLOT(invalidate()));
102 connect(config(), SIGNAL(bufferAdded(const BufferId &, int)), this, SLOT(invalidate()));
103 connect(config(), SIGNAL(bufferMoved(const BufferId &, int)), this, SLOT(invalidate()));
104 connect(config(), SIGNAL(bufferRemoved(const BufferId &)), this, SLOT(invalidate()));
105 connect(config(), SIGNAL(bufferPermanentlyRemoved(const BufferId &)), this, SLOT(invalidate()));
107 disconnect(config(), SIGNAL(initDone()), this, SLOT(configInitialized()));
110 emit configChanged();
113 Qt::ItemFlags BufferViewFilter::flags(const QModelIndex &index) const {
114 Qt::ItemFlags flags = mapToSource(index).flags();
115 if(_config && (index == QModelIndex() || index.parent() == QModelIndex()))
116 flags |= Qt::ItemIsDropEnabled;
120 bool BufferViewFilter::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) {
121 if(!config() || !NetworkModel::mimeContainsBufferList(data))
122 return QSortFilterProxyModel::dropMimeData(data, action, row, column, parent);
124 NetworkId droppedNetworkId;
125 if(parent.data(NetworkModel::ItemTypeRole) == NetworkModel::NetworkItemType)
126 droppedNetworkId = parent.data(NetworkModel::NetworkIdRole).value<NetworkId>();
128 QList< QPair<NetworkId, BufferId> > bufferList = NetworkModel::mimeDataToBufferList(data);
132 for(int i = 0; i < bufferList.count(); i++) {
133 networkId = bufferList[i].first;
134 bufferId = bufferList[i].second;
135 if(droppedNetworkId == networkId) {
139 if(row < rowCount(parent)) {
140 BufferId beforeBufferId = parent.child(row, 0).data(NetworkModel::BufferIdRole).value<BufferId>();
141 pos = config()->bufferList().indexOf(beforeBufferId);
142 if(_sortOrder == Qt::DescendingOrder)
145 if(_sortOrder == Qt::AscendingOrder)
146 pos = config()->bufferList().count();
151 if(config()->bufferList().contains(bufferId)) {
152 if(config()->bufferList().indexOf(bufferId) < pos)
154 config()->requestMoveBuffer(bufferId, pos);
156 config()->requestAddBuffer(bufferId, pos);
166 void BufferViewFilter::sort(int column, Qt::SortOrder order) {
168 QSortFilterProxyModel::sort(column, order);
171 void BufferViewFilter::addBuffer(const BufferId &bufferId) const {
172 if(!config() || config()->bufferList().contains(bufferId))
175 int pos = config()->bufferList().count();
177 for(int i = 0; i < config()->bufferList().count(); i++) {
178 if(config() && config()->sortAlphabetically())
179 lt = bufferIdLessThan(bufferId, config()->bufferList()[i]);
181 lt = bufferId < config()->bufferList()[i];
188 config()->requestAddBuffer(bufferId, pos);
191 bool BufferViewFilter::filterAcceptBuffer(const QModelIndex &source_bufferIndex) const {
192 // no config -> "all buffers" -> accept everything
196 BufferId bufferId = sourceModel()->data(source_bufferIndex, NetworkModel::BufferIdRole).value<BufferId>();
197 Q_ASSERT(bufferId.isValid());
199 int activityLevel = source_bufferIndex.data(NetworkModel::BufferActivityRole).toInt();
201 if(!config()->bufferList().contains(bufferId)) {
202 // add the buffer if...
203 if(config()->isInitialized() && !config()->removedBuffers().contains(bufferId) // it hasn't been manually removed and either
204 && ((config()->addNewBuffersAutomatically() && !config()->temporarilyRemovedBuffers().contains(bufferId)) // is totally unknown to us (a new buffer)...
205 || (config()->temporarilyRemovedBuffers().contains(bufferId) && activityLevel > Buffer::OtherActivity))) { // or was just temporarily hidden and has a new message waiting for us.
208 // note: adding the buffer to the valid list does not temper with the following filters ("show only channels" and stuff)
212 if(config()->networkId().isValid() && config()->networkId() != sourceModel()->data(source_bufferIndex, NetworkModel::NetworkIdRole).value<NetworkId>())
215 if(!(config()->allowedBufferTypes() & (BufferInfo::Type)source_bufferIndex.data(NetworkModel::BufferTypeRole).toInt()))
218 if(config()->hideInactiveBuffers() && !source_bufferIndex.data(NetworkModel::ItemActiveRole).toBool())
221 if(config()->minimumActivity() > activityLevel) {
222 if(bufferId != Client::bufferModel()->standardSelectionModel()->currentIndex().data(NetworkModel::BufferIdRole).value<BufferId>())
229 bool BufferViewFilter::filterAcceptNetwork(const QModelIndex &source_index) const {
233 if(!config()->networkId().isValid()) {
236 return config()->networkId() == sourceModel()->data(source_index, NetworkModel::NetworkIdRole).value<NetworkId>();
240 bool BufferViewFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const {
241 QModelIndex child = sourceModel()->index(source_row, 0, source_parent);
243 if(!child.isValid()) {
244 qWarning() << "filterAcceptsRow has been called with an invalid Child";
248 if(!source_parent.isValid())
249 return filterAcceptNetwork(child);
251 return filterAcceptBuffer(child);
254 bool BufferViewFilter::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
255 int itemType = sourceModel()->data(source_left, NetworkModel::ItemTypeRole).toInt();
257 case NetworkModel::NetworkItemType:
258 return networkLessThan(source_left, source_right);
259 case NetworkModel::BufferItemType:
260 return bufferLessThan(source_left, source_right);
262 return QSortFilterProxyModel::lessThan(source_left, source_right);
266 bool BufferViewFilter::bufferLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
267 BufferId leftBufferId = sourceModel()->data(source_left, NetworkModel::BufferIdRole).value<BufferId>();
268 BufferId rightBufferId = sourceModel()->data(source_right, NetworkModel::BufferIdRole).value<BufferId>();
270 return config()->bufferList().indexOf(leftBufferId) < config()->bufferList().indexOf(rightBufferId);
272 return bufferIdLessThan(leftBufferId, rightBufferId);
275 bool BufferViewFilter::networkLessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
276 NetworkId leftNetworkId = sourceModel()->data(source_left, NetworkModel::NetworkIdRole).value<NetworkId>();
277 NetworkId rightNetworkId = sourceModel()->data(source_right, NetworkModel::NetworkIdRole).value<NetworkId>();
279 if(config() && config()->sortAlphabetically())
280 return QSortFilterProxyModel::lessThan(source_left, source_right);
282 return leftNetworkId < rightNetworkId;
285 QVariant BufferViewFilter::data(const QModelIndex &index, int role) const {
287 case Qt::ForegroundRole:
288 return foreground(index);
289 case Qt::BackgroundRole:
290 if(index.data(NetworkModel::UserAwayRole).toBool()) {
291 QLinearGradient gradient(0, 0, 0, 18);
292 gradient.setColorAt(0.4, QApplication::palette().color(QPalette::Normal, QPalette::Base));
293 gradient.setColorAt(0.5, QApplication::palette().color(QPalette::Disabled, QPalette::Base));
294 gradient.setColorAt(0.6, QApplication::palette().color(QPalette::Normal, QPalette::Base));
295 return QBrush(gradient);
297 // else: fallthrough to default
299 return QSortFilterProxyModel::data(index, role);
303 QVariant BufferViewFilter::foreground(const QModelIndex &index) const {
304 if(!index.data(NetworkModel::ItemActiveRole).toBool())
305 return _FgColorInactiveActivity;
307 Buffer::ActivityLevel activity = (Buffer::ActivityLevel)index.data(NetworkModel::BufferActivityRole).toInt();
309 if(activity & Buffer::Highlight)
310 return _FgColorHighlightActivity;
311 if(activity & Buffer::NewMessage)
312 return _FgColorNewMessageActivity;
313 if(activity & Buffer::OtherActivity)
314 return _FgColorOtherActivity;
316 return _FgColorNoActivity;
319 void BufferViewFilter::checkPreviousCurrentForRemoval(const QModelIndex ¤t, const QModelIndex &previous) {
321 if(previous.isValid())
322 QCoreApplication::postEvent(this, new CheckRemovalEvent(previous));
325 void BufferViewFilter::customEvent(QEvent *event) {
326 if(event->type() != QEvent::User)
329 CheckRemovalEvent *removalEvent = static_cast<CheckRemovalEvent *>(event);
330 checkItemForRemoval(removalEvent->index);
335 void BufferViewFilter::checkItemsForRemoval(const QModelIndex &topLeft, const QModelIndex &bottomRight) {
336 QModelIndex source_topLeft = mapToSource(topLeft);
337 QModelIndex source_bottomRight = mapToSource(bottomRight);
338 emit _dataChanged(source_topLeft, source_bottomRight);
341 // ******************************
343 // ******************************
344 bool bufferIdLessThan(const BufferId &left, const BufferId &right) {
345 Q_CHECK_PTR(Client::networkModel());
346 if(!Client::networkModel())
349 QModelIndex leftIndex = Client::networkModel()->bufferIndex(left);
350 QModelIndex rightIndex = Client::networkModel()->bufferIndex(right);
352 int leftType = Client::networkModel()->data(leftIndex, NetworkModel::BufferTypeRole).toInt();
353 int rightType = Client::networkModel()->data(rightIndex, NetworkModel::BufferTypeRole).toInt();
355 if(leftType != rightType)
356 return leftType < rightType;
358 return QString::compare(Client::networkModel()->data(leftIndex, Qt::DisplayRole).toString(), Client::networkModel()->data(rightIndex, Qt::DisplayRole).toString(), Qt::CaseInsensitive) < 0;