Changed WANavigation to be modifiable

src/wa/server/page/struct/WANavigation.java

@@ -30,19 +30,46 @@ import java.util.List;
  * Created by Ziver on 2015-04-02.
  */
 public class WANavigation {
+    private static WANavigation rootNav;
+
     private String name;
-    private List<WANavigation> sub_nav;
+    private ArrayList<WANavigation> subNavs;
 
 
     public WANavigation(String name) {
         this.name = name;
+        this.subNavs = new ArrayList<>();
     }
     public WANavigation(String name, WANavigation[] sub_nav) {
-        this.name = name;
-        this.sub_nav = Arrays.asList(sub_nav);
+        this(name);
+        this.subNavs.addAll(Arrays.asList(sub_nav));
     }
 
-    public Object getSubNav() {
-        return sub_nav;
+    public void addSubNav(WANavigation subNav) {
+        this.subNavs.add(subNav);
+    }
+    public List<WANavigation> getSubNav() {
+        return subNavs;
+    }
+    public Object getSubNav(String name) {
+        int index = subNavs.indexOf(name);
+        if(index >= 0)
+            return subNavs.get(index);
+        return null;
+    }
+
+
+    public boolean equals(Object o){
+        if(o instanceof String)
+            return this.name.equals(o);
+        return this == o ||
+                (o != null && this.name.equals(((WANavigation)o).name));
+    }
+
+
+    public static WANavigation getRootNav(){
+        if(rootNav == null)
+            rootNav = new WANavigation("root_nav");
+        return rootNav;
     }
 }