Implementing charting...

1 files changed, 42 insertions, 3 deletions

diff --git a/noncore/apps/checkbook/graphinfo.cpp b/noncore/apps/checkbook/graphinfo.cpp
index 7b06bdb..ec6a465 100644
--- a/noncore/apps/checkbook/graphinfo.cpp
+++ b/noncore/apps/checkbook/graphinfo.cpp
@@ -35,12 +35,23 @@ GraphInfo::GraphInfo( GraphType type, DataPointList *data, const QString &title,
 	d = data;
 	gt = title;
 	xt = xtitle;
 	yt = ytitle;
 }
 
+GraphInfo::~GraphInfo()
+{
+	if ( d )
+	{
+		for ( DataPointInfo *data = d->first(); data; data = d->next() )
+		{
+			delete data;
+		}
+	}
+}
+
 GraphInfo::GraphType GraphInfo::graphType()
 {
 	return t;
 }
 
 void GraphInfo::setGraphType( GraphType type )
@@ -55,20 +66,48 @@ DataPointList *GraphInfo::dataPoints()
 
 void GraphInfo::setDataPoints( DataPointList *data )
 {
 	d = data;
 }
 
-float GraphInfo::maxValue()
+DataPointInfo *GraphInfo::firstDataPoint()
 {
-	float max;
+	return( d->first() );
+}
 
+DataPointInfo *GraphInfo::nextDataPoint()
+{
+	return( d->next() );
 }
 
-float GraphInfo::minValue()
+int GraphInfo::numberDataPoints()
 {
+	return( d->count() );
+}
+
+float GraphInfo::maxValue()
+{
+	float max = 0.0;
+	for ( DataPointInfo *data = d->first(); data; data = d->next() )
+	{
+		if ( data->value() > max )
+		{
+			max = data->value();
+		}
+	}
+	return max;
+}
+
+float GraphInfo::totalValue()
+{
+	float sum = 0.0;
+	for ( DataPointInfo *data = d->first(); data; data = d->next() )
+	{
+		sum += data->value();
+	}
+	return sum;
 }
 
 void GraphInfo::setGraphTitle( const QString &title )
 {
 	gt = title;
 }