Adding trip based statistics

This adds trip based statistics to the Yearly Statistics
view.

Signed-off-by: Miika Turkia <miika.turkia@nixu.fi>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

qt-ui/models.cpp

@@ -1364,7 +1364,13 @@ QVariant YearStatisticsItem::data(int column, int role) const
 		return ret;
 	}
 	switch(column) {
-	case YEAR:		ret =  stats_interval.period; break;
+	case YEAR:
+		if (stats_interval.is_trip) {
+			ret = stats_interval.location;
+		} else {
+			ret =  stats_interval.period;
+		}
+		break;
 	case DIVES:		ret =  stats_interval.selection_size; break;
 	case TOTAL_TIME:	ret = get_time_string(stats_interval.total_time.seconds, 0); break;
 	case AVERAGE_TIME:	ret = get_minutes(stats_interval.total_time.seconds / stats_interval.selection_size); break;
@@ -1409,7 +1415,7 @@ QVariant YearlyStatisticsModel::headerData(int section, Qt::Orientation orientat
 
 	if (role == Qt::DisplayRole && orientation == Qt::Horizontal) {
 		switch(section) {
-		case YEAR:		val = tr("Year \n > Month"); break;
+		case YEAR:		val = tr("Year \n > Month / Trip"); break;
 		case DIVES:		val = tr("#"); break;
 		case TOTAL_TIME:	val = tr("Duration \n Total"); break;
 		case AVERAGE_TIME:	val = tr("\nAverage"); break;
@@ -1447,6 +1453,18 @@ void YearlyStatisticsModel::update_yearly_stats()
 		rootItem->children.append(item);
 		item->parent = rootItem;
 	}
+
+
+	if (stats_by_trip != NULL ) {
+		YearStatisticsItem *item = new YearStatisticsItem(stats_by_trip[0]);
+		for (i = 1; stats_by_trip != NULL && stats_by_trip[i].is_trip; ++i) {
+			YearStatisticsItem *iChild = new YearStatisticsItem(stats_by_trip[i]);
+			item->children.append(iChild);
+			iChild->parent = item;
+		}
+		rootItem->children.append(item);
+		item->parent = rootItem;
+	}
 }
 
 /*#################################################################

statistics.c

@@ -19,6 +19,7 @@ static stats_t stats;
 stats_t stats_selection;
 stats_t *stats_monthly = NULL;
 stats_t *stats_yearly = NULL;
+stats_t *stats_by_trip = NULL;
 
 static void process_temperatures(struct dive *dp, stats_t *stats)
 {
@@ -95,6 +96,8 @@ void process_all_dives(struct dive *dive, struct dive **prev_dive)
 	int year_iter = 0;
 	int month_iter = 0;
 	int prev_month = 0, prev_year = 0;
+	int trip_iter = 0;
+	dive_trip_t *trip_ptr = 0;
 	unsigned int size;
 
 	*prev_dive = NULL;
@@ -112,15 +115,19 @@ void process_all_dives(struct dive *dive, struct dive **prev_dive)
 	if (stats_yearly != NULL) {
 		free(stats_yearly);
 		free(stats_monthly);
+		free(stats_by_trip);
 	}
 	size = sizeof(stats_t) * (dive_table.nr + 1);
 	stats_yearly = malloc(size);
 	stats_monthly = malloc(size);
-	if (!stats_yearly || !stats_monthly)
+	stats_by_trip = malloc(size);
+	if (!stats_yearly || !stats_monthly || !stats_by_trip)
 		return;
 	memset(stats_yearly, 0, size);
 	memset(stats_monthly, 0, size);
+	memset(stats_by_trip, 0, size);
 	stats_yearly[0].is_year = TRUE;
+	stats_by_trip[0].is_trip = TRUE;
 
 	/* this relies on the fact that the dives in the dive_table
 	 * are in chronological order */
@@ -148,6 +155,22 @@ void process_all_dives(struct dive *dive, struct dive **prev_dive)
 		stats_yearly[year_iter].selection_size++;
 		stats_yearly[year_iter].period = current_year;
 
+		if (trip_ptr != dp->divetrip) {
+			trip_ptr = dp->divetrip;
+			trip_iter++;
+		}
+
+		/* stats_by_trip[0] is all the dives combined */
+		stats_by_trip[0].selection_size++;
+		process_dive(dp, &(stats_by_trip[0]));
+		stats_by_trip[0].is_trip = TRUE;
+		stats_by_trip[0].location = strdup("All (by trip stats)");
+
+		process_dive(dp, &(stats_by_trip[trip_iter]));
+		stats_by_trip[trip_iter].selection_size++;
+		stats_by_trip[trip_iter].is_trip = TRUE;
+		stats_by_trip[trip_iter].location = dp->divetrip->location;
+
 		/* monthly statistics */
 		if (current_month == 0) {
 			current_month = tm.tm_mon + 1;

statistics.h

@@ -31,10 +31,13 @@ typedef struct {
 	unsigned int selection_size;
 	unsigned int total_sac_time;
 	bool is_year;
+	bool is_trip;
+	char *location;
 } stats_t;
 extern stats_t stats_selection;
 extern stats_t *stats_yearly;
 extern stats_t *stats_monthly;
+extern stats_t *stats_by_trip;
 
 extern char *get_time_string(int seconds, int maxdays);
 extern char *get_minutes(int seconds);