src/uisupport/bufferhotlistfilter.cpp

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  20
  21 #include "bufferhotlistfilter.h"
  22
  23 #include "networkmodel.h"
  24
  25 BufferHotListFilter::BufferHotListFilter(QAbstractItemModel *source, QObject *parent)
  26     : QSortFilterProxyModel(parent)
  27 {
  28     setSourceModel(source);
  29     setDynamicSortFilter(true);
  30     sort(0, Qt::DescendingOrder); // enable sorting... this is "usually" triggered by a enabling setSortingEnabled(true) on a view;
  31 }
  32
  33
  34 bool BufferHotListFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
  35 {
  36     Q_ASSERT(sourceModel());
  37     QModelIndex source_index = sourceModel()->index(source_row, 0, source_parent);
  38
  39     MsgId firstUnreadMsgId = sourceModel()->data(source_index, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  40     if (!firstUnreadMsgId.isValid())
  41         return false;
  42
  43     // filter out statusbuffers (it's accessable as networkitem)
  44     BufferInfo::Type bufferType = (BufferInfo::Type)sourceModel()->data(source_index, NetworkModel::BufferTypeRole).toInt();
  45     if (bufferType == BufferInfo::StatusBuffer) {
  46         NetworkModel::ItemType itemType = (NetworkModel::ItemType)sourceModel()->data(source_index, NetworkModel::ItemTypeRole).toInt();
  47         return itemType == NetworkModel::NetworkItemType;
  48     }
  49
  50     return true;
  51 }
  52
  53
  54 bool BufferHotListFilter::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const
  55 {
  56     int leftActivity = sourceModel()->data(source_left, NetworkModel::BufferActivityRole).toInt();
  57     int rightActivity = sourceModel()->data(source_right, NetworkModel::BufferActivityRole).toInt();
  58     if (leftActivity != rightActivity)
  59         return leftActivity < rightActivity;
  60
  61     MsgId leftUnreadMsgId = sourceModel()->data(source_left, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  62     MsgId rightUnreadMsgId = sourceModel()->data(source_right, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  63     return leftUnreadMsgId > rightUnreadMsgId; // newer messages are treated to be "less"
  64 }
  65
  66
  67 // QVariant BufferHotListFilter::data(const QModelIndex &index, int role) const {
  68 //   QVariant d = QSortFilterProxyModel::data(index, role);
  69
  70 //   if(role == Qt::DisplayRole) {
  71 //     int activity = QSortFilterProxyModel::data(index, NetworkModel::BufferActivityRole).toInt();
  72 //     MsgId unreadMsgId = QSortFilterProxyModel::data(index, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  73 //     return QString("%1 %2 %3").arg(d.toString()).arg(activity).arg(unreadMsgId.toInt());
  74 //   }
  75 //   return d;
  76 // }