Add "Last Seen Complete" column to transfer list

This column shows when we or one of our peers last saw a complete
copy of the related torrent.

Closes #483.

src/qtlibtorrent/torrentmodel.cpp

@@ -290,6 +290,8 @@ QVariant TorrentModelItem::data(int column, int role) const
     QString hash = misc::toQString(m_lastStatus.info_hash);
     return QBtSession::instance()->getMaxRatioPerTorrent(hash, NULL);
   }
+  case TR_SEEN_COMPLETE_DATE:
+    return m_lastStatus.last_seen_complete ? QDateTime::fromTime_t(m_lastStatus.last_seen_complete) : QDateTime();
   default:
     return QVariant();
   }
@@ -366,6 +368,7 @@ QVariant TorrentModel::headerData(int section, Qt::Orientation orientation,
       case TorrentModelItem::TR_SAVE_PATH: return tr("Save path", "Torrent save path");
       case TorrentModelItem::TR_COMPLETED: return tr("Completed", "Amount of data completed (e.g. in MB)");
       case TorrentModelItem::TR_RATIO_LIMIT: return tr("Ratio Limit", "Upload share ratio limit");
+      case TorrentModelItem::TR_SEEN_COMPLETE_DATE: return tr("Last Seen Complete", "Torrent was seen complete on 01/01/2010 08:00");
       default:
         return QVariant();
       }

src/qtlibtorrent/torrentmodel.h

@@ -49,7 +49,7 @@ Q_OBJECT
 
 public:
   enum State {STATE_DOWNLOADING, STATE_DOWNLOADING_META, STATE_ALLOCATING, STATE_STALLED_DL, STATE_STALLED_UP, STATE_SEEDING, STATE_PAUSED_DL, STATE_PAUSED_UP, STATE_QUEUED_DL, STATE_QUEUED_UP, STATE_CHECKING_UP, STATE_CHECKING_DL, STATE_QUEUED_CHECK, STATE_QUEUED_FASTCHECK, STATE_INVALID};
-  enum Column {TR_NAME, TR_PRIORITY, TR_SIZE, TR_PROGRESS, TR_STATUS, TR_SEEDS, TR_PEERS, TR_DLSPEED, TR_UPSPEED, TR_ETA, TR_RATIO, TR_LABEL, TR_ADD_DATE, TR_SEED_DATE, TR_TRACKER, TR_DLLIMIT, TR_UPLIMIT, TR_AMOUNT_DOWNLOADED, TR_AMOUNT_UPLOADED, TR_AMOUNT_LEFT, TR_TIME_ELAPSED, TR_SAVE_PATH, TR_COMPLETED, TR_RATIO_LIMIT, NB_COLUMNS};
+  enum Column {TR_NAME, TR_PRIORITY, TR_SIZE, TR_PROGRESS, TR_STATUS, TR_SEEDS, TR_PEERS, TR_DLSPEED, TR_UPSPEED, TR_ETA, TR_RATIO, TR_LABEL, TR_ADD_DATE, TR_SEED_DATE, TR_TRACKER, TR_DLLIMIT, TR_UPLIMIT, TR_AMOUNT_DOWNLOADED, TR_AMOUNT_UPLOADED, TR_AMOUNT_LEFT, TR_TIME_ELAPSED, TR_SAVE_PATH, TR_COMPLETED, TR_RATIO_LIMIT, TR_SEEN_COMPLETE_DATE, NB_COLUMNS};
 
 public:
   TorrentModelItem(const QTorrentHandle& h);

src/transferlistsortmodel.h

@@ -59,7 +59,7 @@ protected:
 
       return QSortFilterProxyModel::lessThan(left, right);
     }
-    else if (column == TorrentModelItem::TR_ADD_DATE || column == TorrentModelItem::TR_SEED_DATE) {
+    else if (column == TorrentModelItem::TR_ADD_DATE || column == TorrentModelItem::TR_SEED_DATE || column == TorrentModelItem::TR_SEEN_COMPLETE_DATE) {
       QDateTime vL = left.data().toDateTime();
       QDateTime vR = right.data().toDateTime();
 

src/transferlistwidget.cpp

@@ -130,6 +130,7 @@ TransferListWidget::TransferListWidget(QWidget *parent, MainWindow *main_window,
     setColumnHidden(TorrentModelItem::TR_SAVE_PATH, true);
     setColumnHidden(TorrentModelItem::TR_COMPLETED, true);
     setColumnHidden(TorrentModelItem::TR_RATIO_LIMIT, true);
+    setColumnHidden(TorrentModelItem::TR_SEEN_COMPLETE_DATE, true);
   }
 
   //Ensure that at least one column is visible at all times