src/uisupport/bufferhotlistfilter.cpp

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  20
  21 #include "bufferhotlistfilter.h"
  22
  23 #include "networkmodel.h"
  24
  25
  26 BufferHotListFilter::BufferHotListFilter(QAbstractItemModel *source, QObject *parent)
  27     : QSortFilterProxyModel(parent)
  28 {
  29     setSourceModel(source);
  30     setDynamicSortFilter(true);
  31     sort(0, Qt::DescendingOrder); // enable sorting... this is "usually" triggered by a enabling setSortingEnabled(true) on a view;
  32 }
  33
  34 BufferId BufferHotListFilter::hottestBuffer()
  35 {
  36   invalidate();
  37   sort(0, Qt::DescendingOrder);
  38   QModelIndex topIndex = index(0,0);
  39   return data(topIndex, NetworkModel::BufferIdRole).value<BufferId>();
  40 }
  41
  42 bool BufferHotListFilter::filterAcceptsRow(int source_row, const QModelIndex &source_parent) const
  43 {
  44     Q_ASSERT(sourceModel());
  45     QModelIndex source_index = sourceModel()->index(source_row, 0, source_parent);
  46
  47     MsgId firstUnreadMsgId = sourceModel()->data(source_index, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  48     if (!firstUnreadMsgId.isValid())
  49         return false;
  50
  51     // filter out statusbuffers (it's accessable as networkitem)
  52     BufferInfo::Type bufferType = (BufferInfo::Type)sourceModel()->data(source_index, NetworkModel::BufferTypeRole).toInt();
  53     if (bufferType == BufferInfo::StatusBuffer) {
  54         NetworkModel::ItemType itemType = (NetworkModel::ItemType)sourceModel()->data(source_index, NetworkModel::ItemTypeRole).toInt();
  55         return itemType == NetworkModel::NetworkItemType;
  56     }
  57
  58     return true;
  59 }
  60
  61
  62 bool BufferHotListFilter::lessThan(const QModelIndex &source_left, const QModelIndex &source_right) const
  63 {
  64     int leftActivity = sourceModel()->data(source_left, NetworkModel::BufferActivityRole).toInt();
  65     int rightActivity = sourceModel()->data(source_right, NetworkModel::BufferActivityRole).toInt();
  66     if (leftActivity != rightActivity)
  67         return leftActivity < rightActivity;
  68
  69     MsgId leftUnreadMsgId = sourceModel()->data(source_left, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  70     MsgId rightUnreadMsgId = sourceModel()->data(source_right, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  71     return leftUnreadMsgId > rightUnreadMsgId; // newer messages are treated to be "less"
  72 }
  73
  74
  75 // QVariant BufferHotListFilter::data(const QModelIndex &index, int role) const {
  76 //   QVariant d = QSortFilterProxyModel::data(index, role);
  77
  78 //   if(role == Qt::DisplayRole) {
  79 //     int activity = QSortFilterProxyModel::data(index, NetworkModel::BufferActivityRole).toInt();
  80 //     MsgId unreadMsgId = QSortFilterProxyModel::data(index, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  81 //     return QString("%1 %2 %3").arg(d.toString()).arg(activity).arg(unreadMsgId.toInt());
  82 //   }
  83 //   return d;
  84 // }