added parameter defaultText and tooltip to searchbar

src/main/java/edu/mit/blocks/controller/WorkspaceController.java

@@ -693,14 +693,17 @@ public class WorkspaceController {
      * Returns a SearchBar instance capable of searching for blocks
      * within the BlockCanvas and block drawers
      */
-    public JComponent getSearchBar() {
+    public JComponent getSearchBar(String defaultText, String tooltip) {
         final SearchBar sb = new SearchBar(
-                "Search blocks", "Search for blocks in the drawers and workspace", workspace);
+        		defaultText, tooltip, workspace);
         for (SearchableContainer con : getAllSearchableContainers()) {
             sb.addSearchableContainer(con);
         }
         return sb.getComponent();
     }
+    public JComponent getSearchBar() {
+        return getSearchBar("Search blocks", "Search for blocks in the drawers and workspace");
+    }
 
     /**
      * Returns an unmodifiable Iterable of SearchableContainers