Implemented config setting to show total number of objects in a grouping in a table view.

app/assets/javascripts/app/controllers/_application_controller_table.coffee

@@ -466,6 +466,7 @@ class App.ControllerTable extends App.Controller
     if @checkbox || @radio
       columnsLength++
     groupLast = ''
+    groupLastName = ''
     tableBody = []
     objectsToShow = @objectsOfPage(@shownPage)
     for object in objectsToShow
@@ -473,16 +474,31 @@ class App.ControllerTable extends App.Controller
         position++
         if @groupBy
           groupByName = App.viewPrint(object, @groupBy, @attributesList)
-          if groupLast isnt groupByName
+          if groupLastName isnt groupByName
-            groupLast = groupByName
+            groupLastName = groupByName
             tableBody.push @renderTableGroupByRow(object, position, groupByName)
         tableBody.push @renderTableRow(object, position)
     tableBody
 
   renderTableGroupByRow: (object, position, groupByName) =>
+    ui_table_group_by_show_count = @Config.get('ui_table_group_by_show_count')
+    groupByCount = undefined
+    if ui_table_group_by_show_count is true
+      groupBy = @groupBy
+      groupLast = object[@groupBy]
+      if !groupLast
+        groupBy = "#{@groupBy}_id"
+        groupLast = object[groupBy]
+      groupByCount = 0
+      if @objects
+        for localObject in @objects
+          if localObject[groupBy] is groupLast
+            groupByCount += 1
+
     App.view('generic/table_row_group_by')(
       position:      position
       groupByName:   groupByName
+      groupByCount:  groupByCount
       columnsLength: @columnsLength
     )
 

app/assets/javascripts/app/views/generic/table_row_group_by.jst.eco

@@ -1,3 +1,3 @@
 <tr>
-  <td colspan="<%= @columnsLength %>"><b><%= @groupByName %></b></td>
+  <td colspan="<%= @columnsLength %>"><b><%= @groupByName %><% if @groupByCount:%> (<%= @groupByCount %>)<% end %></b></td>
 </tr>

db/migrate/20180320000001_setting_table_group_by_show_count.rb

@@ -0,0 +1,34 @@
+class SettingTableGroupByShowCount < ActiveRecord::Migration[5.1]
+  def up
+
+    # return if it's a new setup
+    return if !Setting.find_by(name: 'system_init_done')
+
+    Setting.create_if_not_exists(
+      title: 'Open ticket indicator',
+      name: 'ui_table_group_by_show_count',
+      area: 'UI::Base',
+      description: 'Total display of the number of objects in a grouping.',
+      options: {
+        form: [
+          {
+            display: '',
+            null: true,
+            name: 'ui_table_group_by_show_count',
+            tag: 'boolean',
+            translate: true,
+            options: {
+              true  => 'yes',
+              false => 'no',
+            },
+          },
+        ],
+      },
+      state: false,
+      preferences: {
+        permission: ['admin.ui'],
+      },
+      frontend: true
+    )
+  end
+end

db/seeds/settings.rb

@@ -822,6 +822,33 @@ Setting.create_if_not_exists(
   frontend: true
 )
 
+Setting.create_if_not_exists(
+  title: 'Open ticket indicator',
+  name: 'ui_table_group_by_show_count',
+  area: 'UI::Base',
+  description: 'Total display of the number of objects in a grouping.',
+  options: {
+    form: [
+      {
+        display: '',
+        null: true,
+        name: 'ui_table_group_by_show_count',
+        tag: 'boolean',
+        translate: true,
+        options: {
+          true  => 'yes',
+          false => 'no',
+        },
+      },
+    ],
+  },
+  state: false,
+  preferences: {
+    permission: ['admin.ui'],
+  },
+  frontend: true
+)
+
 Setting.create_if_not_exists(
   title: 'New User Accounts',
   name: 'user_create_account',