From 988991facec232698ff2bee13957b7eafcf37528 Mon Sep 17 00:00:00 2001
From: Jaime Melis <jmelis@opennebula.org>
Date: Tue, 19 Jul 2016 17:18:44 +0200
Subject: [PATCH] Feature #4657: Display colors for the labels

---
 src/sunstone/public/app/utils/labels/tree.js | 36 ++++++++++++++++++--
 src/sunstone/public/scss/_labels.scss        |  5 ++-
 2 files changed, 35 insertions(+), 6 deletions(-)

diff --git a/src/sunstone/public/app/utils/labels/tree.js b/src/sunstone/public/app/utils/labels/tree.js
index a6d2c168d1..b188dba8ae 100644
--- a/src/sunstone/public/app/utils/labels/tree.js
+++ b/src/sunstone/public/app/utils/labels/tree.js
@@ -54,12 +54,21 @@ define(function(require) {
   }
 
   function _innerHtml(tree, collapsed){
-    var html = '<li>';
+    var html = "";
 
     if (collapsed) {
       if (tree.subTree.length > 0) {
-        html += '<i class="left tree-toggle fa fa-fw fa-angle-right"></i> ';
+        html = '<li><i class="left tree-toggle fa fa-fw fa-angle-right"></i> ';
       } else {
+        var title = $(tree.htmlStr).attr('title');
+        var color = _labelHue(title);
+
+        if (title != undefined && title != "") {
+          html = '<li style="color:hsl(' + color + ', 90%, 70%);">';
+        } else {
+          html = '<li>';
+        }
+
         html += '<i class="left fa fa-fw fa-tag"></i> ';
       }
 
@@ -70,8 +79,17 @@ define(function(require) {
       html += '<ul class="is-active" hidden>';
     } else {
       if (tree.subTree.length > 0) {
-        html += '<i class="left tree-toggle fa fa-fw fa-angle-down"></i> ';
+        html = '<li><i class="left tree-toggle fa fa-fw fa-angle-down"></i> ';
       } else {
+        var title = $(tree.htmlStr).attr('title');
+        var color = _labelHue(title);
+
+        if (title != undefined && title != "") {
+          html = '<li style="color:hsl(' + color + ', 90%, 70%);">';
+        } else {
+          html = '<li>';
+        }
+
         html += '<i class="left fa fa-fw fa-tag"></i> ';
       }
 
@@ -114,4 +132,16 @@ define(function(require) {
       }
     });
   }
+
+  // http://werxltd.com/wp/2010/05/13/javascript-implementation-of-javas-string-hashcode-method/
+  function _labelHue(s) {
+    var hash = 0, i, chr, len;
+    if (s.length === 0) return hash;
+    for (i = 0, len = s.length; i < len; i++) {
+      chr   = s.charCodeAt(i);
+      hash  = ((hash << 5) - hash) + chr;
+      hash |= 0; // Convert to 32bit integer
+    }
+    return (Math.abs(hash) % 37) * 10;
+  };
 });
diff --git a/src/sunstone/public/scss/_labels.scss b/src/sunstone/public/scss/_labels.scss
index 4da36b9cdf..d7c436c2ca 100644
--- a/src/sunstone/public/scss/_labels.scss
+++ b/src/sunstone/public/scss/_labels.scss
@@ -21,7 +21,6 @@
   }
 
   li {
-    color: $dark-gray;
     font-weight: normal;
     list-style-type: none;
 
@@ -30,6 +29,7 @@
     overflow: hidden;
 
     .labeltree-line {
+      color: $dark-gray;
       cursor: pointer;
 
       &:hover {
@@ -38,7 +38,6 @@
 
       .active {
         color: $light-black;
-        font-weight: bold;
       }
     }
   }
@@ -54,4 +53,4 @@
       color: $black;
     }
   }
-}
\ No newline at end of file
+}