Implemented the filterRow method for BuddyList.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/models.cpp

@@ -2364,7 +2364,45 @@ BuddyFilterModel *BuddyFilterModel::instance()
 
 bool BuddyFilterModel::filterRow(int source_row, const QModelIndex &source_parent, QAbstractItemModel *sourceModel) const
 {
+	// If there's nothing checked, this should show everythin.
+	if (!anyChecked) {
+		return true;
+	}
 
+	QModelIndex index0 = sourceModel->index(source_row, 0, source_parent);
+	QVariant diveVariant = sourceModel->data(index0, DiveTripModel::DIVE_ROLE);
+	struct dive *d = (struct dive *)diveVariant.value<void *>();
+
+	if (!d) { // It's a trip, only show the ones that have dives to be shown.
+		for (int i = 0; i < sourceModel->rowCount(index0); i++) {
+			if (filterRow(i, index0, sourceModel))
+				return true;
+		}
+		return false;
+	}
+
+	// Checked means 'Show', Unchecked means 'Hide'.
+	QString diveBuddy(d->buddy);
+
+	// only show empty buddie dives if the user checked that.
+	if (diveBuddy.isEmpty()) {
+		if (rowCount() > 0)
+			return checkState[rowCount() - 1];
+		else
+			return true;
+	}
+
+	// have at least one buddy
+	QStringList buddyList = stringList();
+	if (!buddyList.isEmpty()) {
+		buddyList.removeLast(); // remove the "Show Empty Tags";
+		for(int i = 0; i < rowCount(); i++){
+			if(checkState[i] && stringList()[i].indexOf(diveBuddy) != -1){
+				return true;
+			}
+		}
+	}
+	return false;
 }
 
 Qt::ItemFlags BuddyFilterModel::flags(const QModelIndex &index) const