From 5dc93dccc8738b1eebdfa8859dd14d834daed468 Mon Sep 17 00:00:00 2001
From: "Sean C. Rhea" <sean.c.rhea@gmail.com>
Date: Wed, 20 Feb 2008 17:24:45 +0000
Subject: [PATCH] - Added TotalWorkRideMetric. - Use XML to describe what
 metrics to display and in what order.

---
 src/gui/BasicRideMetrics.cpp |  2 ++
 src/gui/BasicRideMetrics.h   | 29 ++++++++++++++++++
 src/gui/RideItem.cpp         | 59 +++++++++++++++++++++++++++++-------
 src/gui/gui.pro              |  1 +
 4 files changed, 80 insertions(+), 11 deletions(-)

diff --git a/src/gui/BasicRideMetrics.cpp b/src/gui/BasicRideMetrics.cpp
index 0a1620d2f..9ce5868e6 100644
--- a/src/gui/BasicRideMetrics.cpp
+++ b/src/gui/BasicRideMetrics.cpp
@@ -3,4 +3,6 @@
 
 bool totalDistanceAdded =
     RideMetricFactory::instance().addMetric(TotalDistanceRideMetric());
+bool totalWorkAdded =
+    RideMetricFactory::instance().addMetric(TotalWorkRideMetric());
 
diff --git a/src/gui/BasicRideMetrics.h b/src/gui/BasicRideMetrics.h
index 78655c1e1..75a362f8c 100644
--- a/src/gui/BasicRideMetrics.h
+++ b/src/gui/BasicRideMetrics.h
@@ -29,5 +29,34 @@ class TotalDistanceRideMetric : public RideMetric {
     RideMetric *clone() const { return new TotalDistanceRideMetric(*this); }
 };
 
+class TotalWorkRideMetric : public RideMetric {
+    double kJ;
+
+    public:
+
+    TotalWorkRideMetric() : kJ(0.0) {}
+    QString name() const { return "total_work"; }
+    QString units(bool metric) const { (void) metric; return "kJ"; }
+    double value(bool metric) const { (void) metric; return kJ; }
+    void compute(const RawFile *raw, const Zones *zones, int zoneRange) {
+        (void) zones;
+        (void) zoneRange;
+        QListIterator<RawFilePoint*> i(raw->points);
+        double secs_delta = raw->rec_int_ms / 1000.0;
+        while (i.hasNext()) {
+            RawFilePoint *point = i.next();
+            if (point->watts >= 0.0)
+                kJ += point->watts * secs_delta;
+        }
+        kJ /= 1000.0;
+    }
+    void aggregateWith(RideMetric *other) {
+        assert(other->name() == name());
+        TotalWorkRideMetric *m = (TotalWorkRideMetric*) other;
+        kJ += m->kJ;
+    }
+    RideMetric *clone() const { return new TotalWorkRideMetric(*this); }
+};
+
 #endif // _GC_BasicRideMetrics_h
 
diff --git a/src/gui/RideItem.cpp b/src/gui/RideItem.cpp
index efac8c67e..893aef967 100644
--- a/src/gui/RideItem.cpp
+++ b/src/gui/RideItem.cpp
@@ -26,6 +26,7 @@
 #include "Zones.h"
 #include <assert.h>
 #include <math.h>
+#include <QtXml/QtXml>
 
 RideItem::RideItem(QTreeWidgetItem *parent, int type,
                    QString path, QString fileName, const QDateTime &dateTime, 
@@ -146,6 +147,16 @@ double RideItem::timeInZone(int zone)
     return time_in_zone[zone];
 }
 
+static const char *metricsXml =  
+    "<metrics>\n"
+    "  <metric_group name=\"Totals\">\n"
+    "    <metric name=\"total_distance\" display_name=\"Distance\"\n"
+    "            precision=\"1\"/>\n"    
+    "    <metric name=\"total_work\" display_name=\"Work\"\n"
+    "            precision=\"0\"/>\n"
+    "  </metric_group>\n"
+    "</metrics>\n";
+
 QString 
 RideItem::htmlSummary()
 {
@@ -332,18 +343,44 @@ RideItem::htmlSummary()
         summary += "<tr><td>Time riding:</td><td align=\"right\">" + 
             time_to_string(secs_moving_or_pedaling) + "</td></tr>";
 
-        bool metric = (unit.toString() == "Metric");
+        bool metricUnits = (unit.toString() == "Metric");
+
+        {
+            QDomDocument doc;
+            QString err;
+            int errLine, errCol;
+            if (!doc.setContent(QString(metricsXml), &err, &errLine, &errCol)){
+                fprintf(stderr, "error: %s, line %d, col %d\n",
+                        err.toAscii().constData(), errLine, errCol);
+                assert(false);
+            }
+            QDomNodeList groups = doc.elementsByTagName("metric_group");
+            assert(groups.size() == 1); // for now...
+            QDomElement group = groups.at(0).toElement();
+            assert(!group.isNull());
+            QString groupName = group.attribute("name");
+            assert(groupName.length() > 0);
+            assert(groupName == "Totals"); // for now...
+            QDomNodeList metricsList = group.childNodes();
+            for (int i = 0; i < metricsList.size(); ++i) {
+                QDomElement metric = metricsList.at(i).toElement();
+                QString name = metric.attribute("name");
+                QString displayName = metric.attribute("display_name");
+                int precision = metric.attribute("precision", "0").toInt();
+                assert(name.length() > 0);
+                assert(displayName.length() > 0);
+                const RideMetric *m = metrics.value(name);
+                QString s("<tr><td>%1 (%2):</td><td "
+                          "align=\"right\">%3</td></tr>");
+                s = s.arg(displayName).arg(m->units(metricUnits));
+                if (precision == 0)
+                    s = s.arg((unsigned) round(m->value(metricUnits)));
+                else
+                    s = s.arg(m->value(metricUnits), 0, 'f', precision);
+                summary += s;
+            }
+        }
 
-        assert(metrics.contains("total_distance"));
-        const RideMetric *totalDistanceMetric = metrics.value("total_distance");
-        summary += ("<tr><td>Distance (" 
-                    + totalDistanceMetric->units(metric) 
-                    + "):</td><td align=\"right\">%1</td></tr>")
-                   .arg(totalDistanceMetric->value(metric), 0, 'f', 1);
- 
-        summary += QString("<tr><td>Work (kJ):</td>"
-                           "<td align=\"right\">%1</td></tr>")
-            .arg((unsigned) round(total_work));
         summary += "</table></td><td>";
         summary += "<table align=\"center\" width=\"70%\" border=0>";
 
diff --git a/src/gui/gui.pro b/src/gui/gui.pro
index 16ccb9611..4cdcc469e 100644
--- a/src/gui/gui.pro
+++ b/src/gui/gui.pro
@@ -7,6 +7,7 @@ TARGET = GoldenCheetah
 DEPENDPATH += .
 INCLUDEPATH += /usr/local/qwt/include ../lib ../srm
 CONFIG += static debug
+QT += xml
 LIBS += /usr/local/qwt/lib/libqwt.a 
 LIBS += ../lib/libgc.a ../srm/libsrm.a
 LIBS += -lm -lz