Issue #393: Sort available modules alphabetically

That makes it easier for an end user to locate a wanted module and to
find unknown modules. Also change the label to "Available modules".

Author: Bananeweizen

net.sf.eclipsecs.ui/src/net/sf/eclipsecs/ui/Messages.java

@@ -62,7 +62,7 @@ public final class Messages extends NLS {
 
   public static String CheckConfigurationConfigureDialog_lblDescription;
 
-  public static String CheckConfigurationConfigureDialog_lblKnownModules;
+  public static String CheckConfigurationConfigureDialog_lblAvailableModules;
 
   public static String CheckConfigurationConfigureDialog_msgEditConfig;
 

net.sf.eclipsecs.ui/src/net/sf/eclipsecs/ui/config/CheckConfigurationConfigureDialog.java

@@ -65,6 +65,7 @@
 import org.eclipse.jface.viewers.TableLayout;
 import org.eclipse.jface.viewers.TreeViewer;
 import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerComparator;
 import org.eclipse.jface.viewers.ViewerFilter;
 import org.eclipse.jface.window.Window;
 import org.eclipse.osgi.util.NLS;
@@ -262,7 +263,7 @@ private Control createTreeViewer(Composite parent) {
 
     Group knownModules = new Group(parent, SWT.NULL);
     knownModules.setLayout(new GridLayout());
-    knownModules.setText(Messages.CheckConfigurationConfigureDialog_lblKnownModules);
+    knownModules.setText(Messages.CheckConfigurationConfigureDialog_lblAvailableModules);
 
     mTxtTreeFilter = new Text(knownModules, SWT.SINGLE | SWT.BORDER);
     mTxtTreeFilter.setText(mDefaultFilterText);
@@ -295,6 +296,7 @@ public void focusLost(FocusEvent e) {
     mTreeViewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
     mTreeViewer.setContentProvider(new MetaDataContentProvider());
     mTreeViewer.setLabelProvider(new MetaDataLabelProvider());
+    mTreeViewer.setComparator(new ViewerComparator());
     mTreeViewer.addSelectionChangedListener(mController);
     mTreeViewer.addDoubleClickListener(mController);
     mTreeViewer.getTree().addKeyListener(mController);

net.sf.eclipsecs.ui/src/net/sf/eclipsecs/ui/messages.properties

@@ -20,7 +20,7 @@ CheckConfigurationConfigureDialog_lblConfiguredModules = Configured modules for
 
 CheckConfigurationConfigureDialog_lblDescription = Description:
 
-CheckConfigurationConfigureDialog_lblKnownModules = Known modules
+CheckConfigurationConfigureDialog_lblAvailableModules=Available modules
 
 CheckConfigurationConfigureDialog_msgEditConfig = Edit checkstyle configuration.