back ported to Java 7

Author: borisf

ClassySharkWS/src/com/google/classyshark/gui/panel/ClassySharkPanel.java

@@ -307,16 +307,18 @@ private void buildUI() {
         methodsCountPanel = new MethodsCountPanel(this);
         jTabbedPane.addTab("Packages", methodsCountPanel);
 
-        jTabbedPane.addChangeListener(e -> {
-            int dividerLocation1 = jSplitPane.getDividerLocation();
-            JTabbedPane jTabbedPane1 = (JTabbedPane)e.getSource();
-            if (jTabbedPane1.getSelectedIndex() == 0) {
-                jSplitPane.setRightComponent(rightScrollPane);
-            } else {
-                jSplitPane.setRightComponent(ringChartPanel);
+        jTabbedPane.addChangeListener(new ChangeListener() {
+            @Override
+            public void stateChanged(ChangeEvent e) {
+                int dividerLocation1 = jSplitPane.getDividerLocation();
+                JTabbedPane jTabbedPane1 = (JTabbedPane)e.getSource();
+                if (jTabbedPane1.getSelectedIndex() == 0) {
+                    jSplitPane.setRightComponent(rightScrollPane);
+                } else {
+                    jSplitPane.setRightComponent(ringChartPanel);
+                }
+                jSplitPane.setDividerLocation(dividerLocation1);
             }
-            jSplitPane.setDividerLocation(dividerLocation1);
-
         });
 
         jSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);

ClassySharkWS/src/com/google/classyshark/gui/panel/chart/RingChartPanel.java

@@ -30,7 +30,7 @@ public class RingChartPanel extends JPanel {
     private ViewerController viewerController;
     private ClassNode rootNode;
 
-    public RingChartPanel(ViewerController viewerController) {
+    public RingChartPanel(final ViewerController viewerController) {
         super();
         this.viewerController = viewerController;
         ToolTipManager.sharedInstance().registerComponent(this);