From 78a31936de03f35da4b2db002c5a3ba18b3a2ecb Mon Sep 17 00:00:00 2001
From: Andy Joslin <andytjoslin@gmail.com>
Date: Thu, 24 Apr 2014 09:20:21 -0600
Subject: [PATCH] demo(collection-repeat): only show letters that match
 searched names

---
 demos/collection-repeat/index.html |  2 +-
 demos/collection-repeat/script.js  | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/demos/collection-repeat/index.html b/demos/collection-repeat/index.html
index 3721f1b827..463a9a5c93 100644
--- a/demos/collection-repeat/index.html
+++ b/demos/collection-repeat/index.html
@@ -6,7 +6,7 @@
   <title>Collection-Repeat: Early Preview</title>
 
   <link href="http://code.ionicframework.com/nightly/css/ionic.min.css" rel="stylesheet">
-  <script src="http://code.ionicframework.com/nightly/js/ionic.bundle.js"></script>
+  <script src="http://code.ionicframework.com/nightly/js/ionic.bundle.min.js"></script>
   <link href="style.css" rel="stylesheet">
   <script src="script.js"></script>
   <script src="contacts.js"></script>
diff --git a/demos/collection-repeat/script.js b/demos/collection-repeat/script.js
index 045aa7e142..b594ca062e 100644
--- a/demos/collection-repeat/script.js
+++ b/demos/collection-repeat/script.js
@@ -31,10 +31,24 @@ function MainCtrl($scope, $ionicScrollDelegate, filterFilter) {
   }
 
   $scope.getContacts = function() {
+    var contactsByLetter = {};
     return contacts.filter(function(item) {
-      return !$scope.search || item.isLetter ||
+      var itemDoesMatch = !$scope.search || item.isLetter ||
         item.first_name.toLowerCase().indexOf($scope.search.toLowerCase()) > -1 ||
         item.last_name.toLowerCase().indexOf($scope.search.toLowerCase()) > -1;
+
+      if (!item.isLetter && itemDoesMatch) {
+        var letter = item.last_name.charAt(0).toUpperCase();
+        contactsByLetter[letter] = contactsByLetter[letter] || 0;
+        contactsByLetter[letter]++;
+      }
+
+      return itemDoesMatch;
+    }).filter(function(item) {
+      if (item.isLetter && !contactsByLetter[item.letter]) {
+        return false;
+      }
+      return true;
     });
   };