From 83e37e5cb8006c90a5cf20c7c368cb248086fd8b Mon Sep 17 00:00:00 2001
From: simonbrandhof <simon.brandhof@gmail.com>
Date: Wed, 20 Oct 2010 14:16:28 +0000
Subject: [PATCH] SONAR-1830 extract the html color of a measure from the class
 Treemap to Measure + support rating type

---
 .../WEB-INF/app/models/project_measure.rb     | 37 ++++++++++++
 .../WEB-INF/app/models/sonar/treemap.rb       | 56 +------------------
 2 files changed, 40 insertions(+), 53 deletions(-)

diff --git a/sonar-server/src/main/webapp/WEB-INF/app/models/project_measure.rb b/sonar-server/src/main/webapp/WEB-INF/app/models/project_measure.rb
index ffbea749e58..2cda15f22e0 100644
--- a/sonar-server/src/main/webapp/WEB-INF/app/models/project_measure.rb
+++ b/sonar-server/src/main/webapp/WEB-INF/app/models/project_measure.rb
@@ -124,6 +124,43 @@ class ProjectMeasure < ActiveRecord::Base
     end
   end
 
+
+  MIN_COLOR=Color::RGB.from_html("FF0000")   # red
+  MEAN_COLOR=Color::RGB.from_html("FFB000")   # orange
+  MAX_COLOR=Color::RGB.from_html("00FF00")   # green
+
+  def color
+    @color ||=
+      begin
+        percent=-1.0
+        if !alert_status.blank?
+          case(alert_status)
+            when Metric::TYPE_LEVEL_OK : percent=100.0
+            when Metric::TYPE_LEVEL_ERROR : percent=0.0
+            when Metric::TYPE_LEVEL_WARN : percent=50.0
+          end
+        elsif metric.value_type==Metric::VALUE_TYPE_LEVEL
+          case(text_value)
+            when Metric::TYPE_LEVEL_OK : percent=100.0
+            when Metric::TYPE_LEVEL_WARN : percent=50.0
+            when Metric::TYPE_LEVEL_ERROR : percent=0.0
+          end
+        elsif value && metric.worst_value && metric.best_value
+          percent = 100.0 * (value.to_f - metric.worst_value.to_f) / (metric.best_value.to_f - metric.worst_value.to_f)
+          percent=100.0 if percent>100.0
+          percent=0.0 if percent<0.0
+        end
+
+        if percent<0.0
+          nil
+        elsif (percent > 50.0)
+          MAX_COLOR.mix_with(MEAN_COLOR, percent - 50.0)
+        else
+          MIN_COLOR.mix_with(MEAN_COLOR, 50.0 - percent)
+        end
+      end
+  end
+
   def leading_zero( value )
     if ( value < 10 )
       return "0" + value.to_s
diff --git a/sonar-server/src/main/webapp/WEB-INF/app/models/sonar/treemap.rb b/sonar-server/src/main/webapp/WEB-INF/app/models/sonar/treemap.rb
index cbae7b317cf..7d4f93860b4 100644
--- a/sonar-server/src/main/webapp/WEB-INF/app/models/sonar/treemap.rb
+++ b/sonar-server/src/main/webapp/WEB-INF/app/models/sonar/treemap.rb
@@ -28,12 +28,6 @@ class Sonar::Treemap
     @color_metric = color_metric
     @width = width
     @height = height
-        
-    @min = 0
-    @max = 100
-    @min_color = Color::RGB.from_html("FF0000")   # red
-    @mean_color = Color::RGB.from_html("FFB000")   # orange
-    @max_color = Color::RGB.from_html("00FF00")   # green
   end
   
   def generate_html
@@ -65,7 +59,7 @@ class Sonar::Treemap
           :label => resource.name(false),
           :title => escape_javascript(resource.name(true)),
           :tooltip => get_html_tooltip(snapshot, size_measure, color_measure),
-          :color => get_hex_color(color_measure),
+          :color => html_color(color_measure),
           :url => get_url(snapshot,color_measure))
         node.add_child(child)
       end
@@ -89,54 +83,10 @@ class Sonar::Treemap
     html
   end
   
-  def get_color(color_measure)
-    value=percentage_value(color_measure)
-    if value<0
-      return Color::RGB.from_html("DDDDDD")
-    end
-
-    interval = (@max - @min)/2
-    mean = (@min + @max) / 2.0
-    if (value > mean)
-      value_percent = ((value - mean) / interval) * 100.0
-      color = @max_color.mix_with(@mean_color, value_percent)
-    else
-      value_percent = ((mean - value) / interval) * 100.0
-      color = @min_color.mix_with(@mean_color, value_percent)
-    end
-    color
-  end
-
-  def percentage_value(color_measure)
-    return -1 if color_measure.nil?
-
-    metric=color_measure.metric
-    value=-1
-    if !color_measure.alert_status.blank?
-      case(color_measure.alert_status)
-        when Metric::TYPE_LEVEL_OK : value=100
-        when Metric::TYPE_LEVEL_ERROR : value=0
-        when Metric::TYPE_LEVEL_WARN : value=50
-      end
-
-    elsif metric.value_type==Metric::VALUE_TYPE_LEVEL
-      case(color_measure.text_value)
-        when Metric::TYPE_LEVEL_OK : value=100
-        when Metric::TYPE_LEVEL_WARN : value=50
-        when Metric::TYPE_LEVEL_ERROR : value=0
-      end
-    elsif metric.worst_value && metric.best_value
-      range=metric.best_value.to_f - metric.worst_value.to_f
-      value = (color_measure.value.to_f - metric.worst_value.to_f) * (100.0 / range)
-      value=100 if value>100.0
-      value=0 if value<0.0
-    end
-    value
+  def html_color(measure)
+    measure ? measure.color.html : '#DDDDDD'
   end
 
-  def get_hex_color(color_measure)
-    get_color(color_measure).html
-  end
 end
 
 class Sonar::HtmlOutput < Treemap::HtmlOutput
-- 
2.39.5