Makes labels of Heat Map legend readable when chart has too many items.

Author: chrtannus

EnrichmentMapPlugin/src/main/java/org/baderlab/csplugins/enrichmentmap/view/legend/LegendPanel.java

@@ -510,10 +510,12 @@ private JPanel getNodeChartPanel() {
 
 			int h = 200;
 
-			if (options.getChartOptions() != null
-					&& options.getChartOptions().getType() == ChartType.HEAT_STRIPS
-					&& options.getDataSets().size() > 4)
-				h = 300;
+			if (options.getChartOptions() != null) {
+				if (options.getChartOptions().getType() == ChartType.HEAT_STRIPS && options.getDataSets().size() > 4)
+					h = 300;
+				else if (options.getChartOptions().getType() == ChartType.HEAT_MAP)
+					h = Math.max(180, 62 + options.getDataSets().size() * 24);
+			}
 
 			GroupLayout layout = (GroupLayout) nodeChartPanel.getLayout();
 

EnrichmentMapPlugin/src/main/java/org/baderlab/csplugins/enrichmentmap/view/util/ChartUtil.java

@@ -224,7 +224,8 @@ public static JFreeChart createHeatMapLegend(List<EMDataSet> dataSets, ChartOpti
         domainAxis.setAxisLineVisible(false);
         domainAxis.setTickMarksVisible(false);
         domainAxis.setTickLabelFont(UIManager.getFont("Label.font").deriveFont(LookAndFeelUtil.getSmallFontSize()));
-        domainAxis.setLabelPaint(UIManager.getColor("Label.foreground"));
+        domainAxis.setTickLabelPaint(UIManager.getColor("Label.foreground"));
+        domainAxis.setTickLabelInsets(new RectangleInsets(0.0, 0.0, 0.0, 15.0));
         domainAxis.setCategoryMargin(0.0);
 
         final NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();