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 BufferId BufferHotListFilter::hottestBuffer()
  34 {
  35     invalidate();
  36     sort(0, Qt::DescendingOrder);
  37     QModelIndex topIndex = index(0, 0);
  38     return data(topIndex, NetworkModel::BufferIdRole).value<BufferId>();
  39 }
  40
  41 bool BufferHotListFilter::filterAcceptsRow(int source_row, const QModelIndex& source_parent) const
  42 {
  43     Q_ASSERT(sourceModel());
  44     QModelIndex source_index = sourceModel()->index(source_row, 0, source_parent);
  45
  46     MsgId firstUnreadMsgId = sourceModel()->data(source_index, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  47     if (!firstUnreadMsgId.isValid())
  48         return false;
  49
  50     // filter out statusbuffers (it's accessable as networkitem)
  51     BufferInfo::Type bufferType = (BufferInfo::Type)sourceModel()->data(source_index, NetworkModel::BufferTypeRole).toInt();
  52     if (bufferType == BufferInfo::StatusBuffer) {
  53         NetworkModel::ItemType itemType = (NetworkModel::ItemType)sourceModel()->data(source_index, NetworkModel::ItemTypeRole).toInt();
  54         return itemType == NetworkModel::NetworkItemType;
  55     }
  56
  57     return true;
  58 }
  59
  60 bool BufferHotListFilter::lessThan(const QModelIndex& source_left, const QModelIndex& source_right) const
  61 {
  62     int leftActivity = sourceModel()->data(source_left, NetworkModel::BufferActivityRole).toInt();
  63     int rightActivity = sourceModel()->data(source_right, NetworkModel::BufferActivityRole).toInt();
  64     if (leftActivity != rightActivity)
  65         return leftActivity < rightActivity;
  66
  67     MsgId leftUnreadMsgId = sourceModel()->data(source_left, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  68     MsgId rightUnreadMsgId = sourceModel()->data(source_right, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  69     return leftUnreadMsgId > rightUnreadMsgId;  // newer messages are treated to be "less"
  70 }
  71
  72 // QVariant BufferHotListFilter::data(const QModelIndex &index, int role) const {
  73 //   QVariant d = QSortFilterProxyModel::data(index, role);
  74
  75 //   if(role == Qt::DisplayRole) {
  76 //     int activity = QSortFilterProxyModel::data(index, NetworkModel::BufferActivityRole).toInt();
  77 //     MsgId unreadMsgId = QSortFilterProxyModel::data(index, NetworkModel::BufferFirstUnreadMsgIdRole).value<MsgId>();
  78 //     return QString("%1 %2 %3").arg(d.toString()).arg(activity).arg(unreadMsgId.toInt());
  79 //   }
  80 //   return d;
  81 // }