Auto scale plots on number of samples/libraries

public/bammetrics/src/main/scala/nl/lumc/sasc/biopet/pipelines/bammetrics/BammetricsReport.scala

@@ -83,7 +83,9 @@ object BammetricsReport extends ReportBuilder {
     plot.input = tsvFile
     plot.output = pngFile
     plot.ylabel = Some("Reads")
-    plot.width = Some(1200)
+    if (libraryLevel) {
+      plot.width = Some(200 + (summary.libraries.filter(s => sampleId.getOrElse(s._1) == s._1).foldLeft(0)(_ + _._2.size) * 10))
+    } else plot.width = Some(200 + (summary.samples.filter(s => sampleId.getOrElse(s) == s).size * 10))
     plot.title = Some("Aligned reads")
     plot.runLocal()
   }

public/flexiprep/src/main/scala/nl/lumc/sasc/biopet/pipelines/flexiprep/FlexiprepReport.scala

@@ -87,7 +87,7 @@ object FlexiprepReport extends ReportBuilder {
     plot.input = tsvFile
     plot.output = pngFile
     plot.ylabel = Some("Reads")
-    plot.width = Some(750)
+    plot.width = Some(200 + (summary.libraries.filter(s => sampleId.getOrElse(s._1) == s._1).foldLeft(0)(_ + _._2.size) * 10))
     plot.title = Some("QC summary on " + read + " reads")
     plot.runLocal()
   }
@@ -128,7 +128,7 @@ object FlexiprepReport extends ReportBuilder {
     plot.input = tsvFile
     plot.output = pngFile
     plot.ylabel = Some("Bases")
-    plot.width = Some(750)
+    plot.width = Some(200 + (summary.libraries.filter(s => sampleId.getOrElse(s._1) == s._1).foldLeft(0)(_ + _._2.size) * 10))
     plot.title = Some("QC summary on " + read + " bases")
     plot.runLocal()
   }

public/shiva/src/main/scala/nl/lumc/sasc/biopet/pipelines/shiva/ShivaReport.scala

@@ -129,7 +129,9 @@ object ShivaReport extends MultisampleReportBuilder {
     plot.input = tsvFile
     plot.output = pngFile
     plot.ylabel = Some("VCF records")
-    plot.width = Some(1200)
+    if (libraryLevel) {
+      plot.width = Some(200 + (summary.libraries.filter(s => sampleId.getOrElse(s._1) == s._1).foldLeft(0)(_ + _._2.size) * 10))
+    } else plot.width = Some(200 + (summary.samples.filter(s => sampleId.getOrElse(s) == s).size * 10))
     plot.runLocal()
   }
 }