void onSelectTrade(PendingTradesListItem item) {
// clean up previous selectedItem
selectedItem = item;
if (item == null) {
trade = null;
tradeProperty.set(null);
} else {
trade = item.getTrade();
tradeProperty.set(trade);
isOfferer = tradeManager.isMyOffer(trade.getOffer());
if (trade.getDepositTx() != null) txId.set(trade.getDepositTx().getHashAsString());
}
}