adds new string truncation method [fixes SCI-2344]

app/controllers/reports_controller.rb

@@ -430,6 +430,7 @@ class ReportsController < ApplicationController
 
   private
 
+  include StringUtility
   VisibleProject = Struct.new(:path, :name)
 
   def load_vars
@@ -454,7 +455,8 @@ class ReportsController < ApplicationController
                                     .limit(Constants::SEARCH_LIMIT)
                                     .select(:id, :name)
     @visible_projects = projects.collect do |project|
-      VisibleProject.new(new_project_reports_path(project), project.name)
+      VisibleProject.new(new_project_reports_path(project),
+                         ellipsisize(project.name))
     end
   end
 

app/helpers/string_utility.rb

@@ -0,0 +1,13 @@
+module StringUtility
+  def ellipsisize(
+    string,
+    minimum_length = Constants::MAX_NAME_TRUNCATION,
+    edge_length = Constants::MAX_EDGE_LENGTH
+  )
+    length = string.length
+    return string if length < minimum_length || length <= edge_length * 2
+    edge = '.' * edge_length
+    mid_length = length - edge_length * 2
+    string.gsub(/(#{edge}).{#{mid_length},}(#{edge})/, '\1...\2')
+  end
+end

config/initializers/constants.rb

@@ -9,6 +9,10 @@ class Constants
   NAME_MAX_LENGTH = 255
   # Max characters for short text fields, after which they get truncated
   NAME_TRUNCATION_LENGTH = 25
+  # Max edge length
+  MAX_EDGE_LENGTH = 75
+  # Max character for listing projects in dropdown
+  MAX_NAME_TRUNCATION = 150
   # Max characters for short text fields, in dropdownList
   NAME_TRUNCATION_LENGTH_DROPDOWN = 20
   # Max characters for long text fields