Added missing FolderViewManager

src/main/java/FolderViewManager.java

@@ -0,0 +1,60 @@
+package main.java;
+
+import javafx.scene.Scene;
+import javafx.scene.control.TreeItem;
+import javafx.scene.control.TreeView;
+
+import java.io.File;
+
+/**
+ * Created by kristopherguzman on 2/7/16.
+ */
+
+/**
+    This class handles manipulation of the Folder View. This includes
+    directory searches, displaying directories, and all things directly changing
+    the Folder View.
+ */
+public class FolderViewManager {
+
+    public static TreeView<String> treeView;
+    private static TreeItem<String> root;
+    private static int NEST_COUNT = 0; //tracks number of nested calls when searching through files, TEMPORARY
+
+    private FolderViewManager() { }
+
+    public static void setRootDirectory(File file) {
+
+        root = new TreeItem<String>(file.getName());
+        createCellsFromRoot(file, root);
+        treeView.setRoot(root);
+    }
+
+    private static void createCellsFromRoot(File rootFile, TreeItem<String> rootNode) {
+
+        NEST_COUNT++;
+
+        if(NEST_COUNT > 6000) { //fixed value, TEMPORARY, must come up with better way to optimize load time of files
+
+            return;
+        }
+
+        for(File f : rootFile.listFiles()) {
+
+            if(!f.getName().startsWith(".")) { //don't show files that start with dot (ex: .filename .pythonfile)
+
+                TreeItem<String> fileNode = new TreeItem<String>(f.getName());
+                rootNode.getChildren().add(fileNode);
+
+                if (f.isDirectory()) {
+
+                    createCellsFromRoot(f, fileNode);
+
+                }
+            }
+
+        }
+
+    }
+
+}