Initial impl of Navigation instance class

src/wa/server/WebAdminServer.java

@@ -15,6 +15,7 @@ public class WebAdminServer {
 
     private PluginManager pluginManager;
 
+
     public static void main(String[] args){
         LogUtil.setGlobalLevel(Level.FINEST);
         LogUtil.setGlobalFormatter(new CompactLogFormatter());

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

@@ -25,7 +25,7 @@ package wa.server.page.struct;
 import java.util.*;
 
 /**
- * A class representing a navigation hierarchy.
+ * A class representing a navigation hierarchy/tree for a web application.
  *
  * Created by Ziver on 2015-04-02.
  */
@@ -96,14 +96,18 @@ public class WANavigation implements Iterable{
     public String getUrl(){
         return url;
     }
-    public Object getResource(){
-        return resource;
+    private void setParentNav(WANavigation nav){
+        this.parentNav = nav;
     }
+    /**
+     * Assign a resource object specific to this navigation object.
+     * This can be used if target page needs some additional information.
+     */
     public void setResource(Object obj){
         resource = obj;
     }
-    private void setParentNav(WANavigation nav){
-        this.parentNav = nav;
+    public Object getResource(){
+        return resource;
     }
     /**
      * Sets the weight of this navigation object. The weight is
@@ -126,11 +130,18 @@ public class WANavigation implements Iterable{
     }
 
 
-    public static List<WANavigation> getRootNav(){
-        return rootNav.getSubNavs();
+    /**
+     * Will create a clone of the navigation tree with some request instance specific information
+     */
+    public NavInstance createNavInstance(Map<String, String> request){
+        return createNavInstance(getBreadcrumb(request));
     }
-    public static WANavigation createRootNav(String name){
-        return rootNav.createSubNav(name);
+    private NavInstance createNavInstance(List<WANavigation> activeList){
+        NavInstance instance = new NavInstance(this);
+        instance.setActive(activeList.contains(this));
+        for (WANavigation nav : subNav)
+            instance.addSubNav(nav.createNavInstance(activeList));
+        return instance;
     }
 
     /**
@@ -149,4 +160,41 @@ public class WANavigation implements Iterable{
         }
         return list;
     }
+
+    public static List<WANavigation> getRootNav(){
+        return rootNav.getSubNavs();
+    }
+    public static WANavigation createRootNav(String name){
+        return rootNav.createSubNav(name);
+    }
+
+
+
+    public static class NavInstance{
+        private WANavigation nav;
+        private boolean active;
+        private ArrayList<NavInstance> subNavs;
+
+        protected NavInstance(WANavigation nav){
+            this.nav = nav;
+            this.subNavs = new ArrayList<>();
+        }
+
+        protected void setActive(boolean active){
+            this.active = active;
+        }
+        protected void addSubNav(NavInstance subNav){
+            subNavs.add(subNav);
+        }
+
+        public boolean isActive(){
+            return active;
+        }
+        public List<NavInstance> getSubNavs() { return subNavs; }
+
+        // Mirror getters from WANavigation
+        public String getName(){                 return nav.getName(); }
+        public String getUrl(){                  return nav.getUrl(); }
+        public Object getResource(){             return nav.getResource(); }
+    }
 }