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[quassel.git] / src / uisupport / bufferhotlistfilter.cpp

diff --git a/src/uisupport/bufferhotlistfilter.cpp b/src/uisupport/bufferhotlistfilter.cpp
new file mode 100644 (file)
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+++ b/src/uisupport/bufferhotlistfilter.cpp
@@ -0,0 +1,71 @@
+/***************************************************************************
+ *   Copyright (C) 2005-08 by the Quassel Project                          *
+ *   devel@quassel-irc.org                                                 *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) version 3.                                           *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include "bufferhotlistfilter.h"
+
+#include "networkmodel.h"
+
+BufferHotListFilter::BufferHotListFilter(QAbstractItemModel *source, QObject *parent)
+  : QSortFilterProxyModel(parent)
+{
+  setSourceModel(source);
+  setDynamicSortFilter(true);
+  sort(0, Qt::DescendingOrder); // enable sorting... this is "usually" triggered by a enabling setSortingEnabled(true) on a view;
+}
+
+bool BufferHotListFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const {
+  Q_ASSERT(sourceModel());
+  QModelIndex source_index = sourceModel()->index(source_row, 0, source_parent);
+
+  MsgId firstUnreadMsgId = sourceModel()->data(source_index, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
+  if(!firstUnreadMsgId.isValid())
+    return false;
+
+  // filter out statusbuffers (it's accessable as networkitem)
+  BufferInfo::Type bufferType = (BufferInfo::Type)sourceModel()->data(source_index, NetworkModel::BufferTypeRole).toInt();
+  if(bufferType == BufferInfo::StatusBuffer) {
+    NetworkModel::ItemType itemType = (NetworkModel::ItemType)sourceModel()->data(source_index, NetworkModel::ItemTypeRole).toInt();
+    return itemType == NetworkModel::NetworkItemType;
+  }
+
+  return true;
+}
+
+bool BufferHotListFilter::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const {
+  int leftActivity = sourceModel()->data(source_left, NetworkModel::BufferActivityRole).toInt();
+  int rightActivity = sourceModel()->data(source_right, NetworkModel::BufferActivityRole).toInt();
+  if(leftActivity != rightActivity)
+    return leftActivity < rightActivity;
+
+  MsgId leftUnreadMsgId = sourceModel()->data(source_left, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
+  MsgId rightUnreadMsgId = sourceModel()->data(source_right, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
+  return leftUnreadMsgId > rightUnreadMsgId; // newer messages are treated to be "less"
+}
+
+// QVariant BufferHotListFilter::data(const QModelIndex &index, int role) const {
+//   QVariant d = QSortFilterProxyModel::data(index, role);
+
+//   if(role == Qt::DisplayRole) {
+//     int activity = QSortFilterProxyModel::data(index, NetworkModel::BufferActivityRole).toInt();    
+//     MsgId unreadMsgId = QSortFilterProxyModel::data(index, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
+//     return QString("%1 %2 %3").arg(d.toString()).arg(activity).arg(unreadMsgId.toInt());
+//   }
+//   return d;
+// }