Add withdrawn events to conference dashboard

Signed-off-by: Carlos Coelho <carlos@vinta.com.br>

app/views/admin/conferences/show.html.haml

@@ -3,7 +3,7 @@
   Dashboard for #{@conference.title}
 %hr
 .row
-  .col-sm-4.col-xs-4
+  .col-sm-3.col-xs-3
     .dashbox.text-center
       %span.fa.fa-user.fa-lg
       %span.fa.fa-lg
@@ -16,7 +16,7 @@
             +
             = @new_reg
 
-  .col-sm-4.col-xs-4
+  .col-sm-3.col-xs-3
     .dashbox.text-center
       %span.fa.fa-check-square.fa-lg
       %span.fa.fa-lg
@@ -29,7 +29,7 @@
             +
             = @new_submissions
 
-  .col-sm-4.col-xs-4
+  .col-sm-3.col-xs-3
     .dashbox.text-center
       %span.fa.fa-file-text.fa-lg
       %span.fa.fa-lg
@@ -42,6 +42,19 @@
             +
             = @new_program_length
 
+  .col-sm-3.col-xs-3
+    .dashbox.text-center
+      %span.fa.fa-archive.fa-lg
+      %span.fa.fa-lg
+        = @total_withdrawn
+      %p
+        %small
+          #{'Withdrawn'.pluralize(@total_withdrawn)}
+        - if @new_withdrawn
+          %span.label.label-success{ title: "+#{@new_withdrawn} since you last logged in!" }
+            +
+            = @new_withdrawn
+
 .row
   .col-md-12
     .row
@@ -91,6 +104,10 @@
         %a{ href: '#distribution_confirmed', 'data-toggle' => 'tab' }
           %span.fa.fa-comment
           Confirmed
+      %li
+        %a{ href: '#distribution_withdrawn', 'data-toggle' => 'tab' }
+          %span.fa.fa-archive
+          Withdrawn
     .tab-content
       .tab-pane.active#distribution_all
         .row
@@ -108,6 +125,14 @@
             = render partial: 'doughnut_chart', locals: {title: 'Difficulty levels', data: @difficulty_levels_distribution_confirmed}
           .col-md-4
             = render partial: 'doughnut_chart', locals: {title: 'Tracks', data: @tracks_distribution_confirmed}
+      .tab-pane#distribution_withdrawn
+        .row
+          .col-md-4
+            = render partial: 'doughnut_chart', locals: {title: 'Event types', data: @event_type_distribution_withdrawn}
+          .col-md-4
+            = render partial: 'doughnut_chart', locals: {title: 'Difficulty levels', data: @difficulty_levels_distribution_withdrawn}
+          .col-md-4
+            = render partial: 'doughnut_chart', locals: {title: 'Tracks', data: @tracks_distribution_withdrawn}
 
 .row
   .col-md-8