new version of script to build sidenav lists dynamically.
This is currently used only by the samples nav, but we'll
later update to handle the Google reference nav as well

Change-Id: I907ea8cb096148ba50808623ed872c8defc9a135
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index d5a940d..3f19286 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -305,6 +305,8 @@
       position: absolute;
       top: 0;
       right: 0; }
+    #nav .nav-section-header.empty {
+      padding:0; }
     #nav .nav-section-header.empty:after {
       display: none; }
     /* nested nav headers */
diff --git a/tools/droiddoc/templates-sdk/assets/js/docs.js b/tools/droiddoc/templates-sdk/assets/js/docs.js
index 86b7aa1..2e0a672 100644
--- a/tools/droiddoc/templates-sdk/assets/js/docs.js
+++ b/tools/droiddoc/templates-sdk/assets/js/docs.js
@@ -353,35 +353,9 @@
     $('.jd-descr').append($olClasses);
   }
 
-
-
-
   // Set up expand/collapse behavior
-  $('#nav li.nav-section .nav-section-header').click(function() {
-    var section = $(this).closest('li.nav-section');
-    if (section.hasClass('expanded')) {
-    /* hide me */
-    //  if (section.hasClass('selected') || section.find('li').hasClass('selected')) {
-   //   /* but not if myself or my descendents are selected */
-   //     return;
-    //  }
-      section.children('ul').slideUp(250, function() {
-        section.closest('li').removeClass('expanded');
-        resizeNav();
-      });
-    } else {
-    /* show me */
-      // first hide all other siblings
-      var $others = $('li.nav-section.expanded', $(this).closest('ul'));
-      $others.removeClass('expanded').children('ul').slideUp(250);
+  initExpandableNavItems("#nav");
 
-      // now expand me
-      section.closest('li').addClass('expanded');
-      section.children('ul').slideDown(250, function() {
-        resizeNav();
-      });
-    }
-  });
 
   $(".scroll-pane").scroll(function(event) {
       event.preventDefault();
@@ -586,6 +560,30 @@
 // END of the onload event
 
 
+function initExpandableNavItems(rootTag) {
+  $(rootTag + ' li.nav-section .nav-section-header').click(function() {
+    var section = $(this).closest('li.nav-section');
+    if (section.hasClass('expanded')) {
+    /* hide me */
+      section.children('ul').slideUp(250, function() {
+        section.closest('li').removeClass('expanded');
+        resizeNav();
+      });
+    } else {
+    /* show me */
+      // first hide all other siblings
+      var $others = $('li.nav-section.expanded', $(this).closest('ul'));
+      $others.removeClass('expanded').children('ul').slideUp(250);
+
+      // now expand me
+      section.closest('li').addClass('expanded');
+      section.children('ul').slideDown(250, function() {
+        resizeNav();
+      });
+    }
+  });
+}
+
 function highlightSidenav() {
   // select current page in sidenav and header, and set up prev/next links if they exist
   var $selNavLink = $('#nav').find('a[href="' + mPagePath + '"]');
@@ -2664,6 +2662,67 @@
           node_data[2], node_data[3]);
   }
 }
+
+
+
+
+
+
+/****** NEW version of script to build google and sample navs dynamically ******/
+// TODO: update Google reference docs to tolerate this new implementation
+
+function init_google_navtree2(navtree_id, data)
+{
+  var $containerUl = $("#"+navtree_id);
+  var linkText;
+  for (var i in data) {
+    var node_data = data[i];
+    $containerUl.append(new_google_node2(node_data));
+  }
+
+  initExpandableNavItems("#"+navtree_id);
+}
+
+function new_google_node2(node_data)
+{
+  var linkText = node_data[0];
+  if(linkText.match("^"+"com.google.android")=="com.google.android"){
+    linkText = linkText.substr(19, linkText.length);
+  }
+  var $li = $('<li>');
+  var $a;
+  if (node_data[1] != null) {
+    $a = $('<a href="' + toRoot + node_data[1] + '">' + linkText + '</a>');
+  } else {
+    $a = $('<a href="#" onclick="return false;">' + linkText + '/</a>');
+  }
+  var $childUl = $('<ul>');
+  if (node_data[2] != null) {
+    $li.addClass("nav-section");
+    $a = $('<div class="nav-section-header">').append($a);
+    if (node_data[1] == null) $a.addClass('empty');
+
+    for (var i in node_data[2]) {
+      var child_node_data = node_data[2][i];
+      $childUl.append(new_google_node2(child_node_data));
+    }
+    $li.append($childUl);
+  }
+  $li.prepend($a);
+
+  return $li;
+}
+
+
+
+
+
+
+
+
+
+
+
 function showGoogleRefTree() {
   init_default_google_navtree(toRoot);
   init_default_gcm_navtree(toRoot);
@@ -2702,7 +2761,7 @@
   $.getScript(toRoot + 'samples_navtree_data.js', function(data, textStatus, jqxhr) {
       // when the file is loaded, initialize the tree
       if(jqxhr.status === 200) {
-          init_google_navtree("samples-tree-list", toroot, SAMPLES_NAVTREE_DATA);
+          init_google_navtree2("nav.samples-nav", SAMPLES_NAVTREE_DATA);
           highlightSidenav();
           resizeNav();
       }