Remove if_user and similar methods

Rather than hiding features based on CSS, just avoid including them
in the output. Fixes #1862

app/views/browse/changeset.html.erb

@@ -13,15 +13,17 @@
 
   <h4 class="comments-header"><%= t('.discussion') %></h4>
 
-  <div class="buttons clearfix subscribe-buttons">
-    <form action="#" class="hide_unless_logged_in">
-      <% if current_user and @changeset.subscribers.exists?(current_user.id) %>
-        <input class="action-button" type="submit" name="unsubscribe" value="<%= t('javascripts.changesets.show.unsubscribe') %>" data-method="POST" data-url="<%= changeset_unsubscribe_url(@changeset) %>" />
-      <% else %>
-        <input class="action-button" type="submit" name="subscribe" value="<%= t('javascripts.changesets.show.subscribe') %>" data-method="POST" data-url="<%= changeset_subscribe_url(@changeset) %>" />
-      <% end %>
-    </form>
-  </div>
+  <% if current_user %>
+    <div class="buttons clearfix subscribe-buttons">
+      <form action="#">
+        <% if @changeset.subscribers.exists?(current_user.id) %>
+          <input class="action-button" type="submit" name="unsubscribe" value="<%= t('javascripts.changesets.show.unsubscribe') %>" data-method="POST" data-url="<%= changeset_unsubscribe_url(@changeset) %>" />
+        <% else %>
+          <input class="action-button" type="submit" name="subscribe" value="<%= t('javascripts.changesets.show.subscribe') %>" data-method="POST" data-url="<%= changeset_subscribe_url(@changeset) %>" />
+        <% end %>
+      </form>
+    </div>
+  <% end %>
 
   <div class="clearfix"></div>
 
@@ -59,23 +61,27 @@
     </div>
   <% end %>
 
-  <div class="notice hide_if_logged_in">
-    <%= link_to(t(".join_discussion"), :controller => 'user', :action => 'login', :referer => request.fullpath) %>
-  </div>
-
-  <% unless @changeset.is_open? %>
-    <form action="#" class="hide_unless_logged_in">
-      <textarea class="comment" name="text" cols="40" rows="5"></textarea>
-      <div class="buttons clearfix">
-        <input type="submit" name="comment" value="<%= t('javascripts.changesets.show.comment') %>" data-changeset-id="<%= @changeset.id %>" data-method="POST" data-url="<%= changeset_comment_url(@changeset) %>" disabled="1"/>
-      </div>
-    </form>
-  <% else %>
-    <div class="notice hide_unless_logged_in">
-    <%= t('.still_open') %>
+  <% unless current_user %>
+    <div class="notice">
+      <%= link_to(t(".join_discussion"), :controller => 'user', :action => 'login', :referer => request.fullpath) %>
     </div>
   <% end %>
 
+  <% if current_user %>
+    <% unless @changeset.is_open? %>
+      <form action="#">
+        <textarea class="comment" name="text" cols="40" rows="5"></textarea>
+        <div class="buttons clearfix">
+          <input type="submit" name="comment" value="<%= t('javascripts.changesets.show.comment') %>" data-changeset-id="<%= @changeset.id %>" data-method="POST" data-url="<%= changeset_comment_url(@changeset) %>" disabled="1"/>
+        </div>
+      </form>
+    <% else %>
+      <div class="notice">
+      <%= t('.still_open') %>
+      </div>
+    <% end %>
+  <% end %>
+
   <% unless @ways.empty? %>
     <h4>
       <%= type_and_paginated_count('way', @way_pages) %>

app/views/diary_entry/_diary_comment.html.erb

@@ -2,7 +2,9 @@
   <%= user_thumbnail diary_comment.user %>
   <p class="deemphasize comment-heading" id="comment<%= diary_comment.id %>"><%= raw(t('.comment_from', :link_user => (link_to h(diary_comment.user.display_name), user_path(diary_comment.user)), :comment_created_at => link_to(l(diary_comment.created_at, :format => :friendly), :anchor => "comment#{diary_comment.id}"))) %></p>
   <div class="richtext"><%= diary_comment.body.to_html %></div>
-  <%= if_administrator(:span) do %>
-    <%= link_to t('.hide_link'), hide_diary_comment_path(:display_name => diary_comment.diary_entry.user.display_name, :id => diary_comment.diary_entry.id, :comment => diary_comment.id), :method => :post, :data=> { :confirm => t('.confirm') } %>
+  <% if current_user && current_user.administrator? %>
+    <span>
+      <%= link_to t('.hide_link'), hide_diary_comment_path(:display_name => diary_comment.diary_entry.user.display_name, :id => diary_comment.diary_entry.id, :comment => diary_comment.id), :method => :post, :data=> { :confirm => t('.confirm') } %>
+    </span>
   <% end %>
 </div>

app/views/diary_entry/_diary_entry.html.erb

@@ -27,12 +27,12 @@
       <li><%= link_to t('.comment_count', :count => diary_entry.visible_comments.count), :action => 'view', :display_name => diary_entry.user.display_name, :id => diary_entry.id, :anchor => 'comments' %></li>
     <% end %>
 
-    <%= if_user(diary_entry.user, :li) do %>
-      <%= link_to t('.edit_link'), :action => 'edit', :display_name => diary_entry.user.display_name, :id => diary_entry.id %>
+    <% if current_user && current_user == diary_entry.user %>
+      <li><%= link_to t('.edit_link'), :action => 'edit', :display_name => diary_entry.user.display_name, :id => diary_entry.id %></li>
     <% end %>
 
-    <%= if_administrator(:li) do %>
-      <%= link_to t('.hide_link'), hide_diary_entry_path(:display_name => diary_entry.user.display_name, :id => diary_entry.id), :method => :post, :data => { :confirm => t('.confirm') } %>
+    <% if current_user && current_user.administrator? %>
+      <li><%= link_to t('.hide_link'), hide_diary_entry_path(:display_name => diary_entry.user.display_name, :id => diary_entry.id), :method => :post, :data => { :confirm => t('.confirm') } %></li>
     <% end %>
   </ul>
 </div>

app/views/diary_entry/list.html.erb

@@ -11,12 +11,16 @@
       <% end -%>
 
       <% if @user %>
-        <%= if_user(@user) do %>
-          <li><%= link_to image_tag("new.png", :class => "small_icon", :border=>0) + t('.new'), {:controller => 'diary_entry', :action => 'new'}, {:title => t('.new_title')} %></li>
+        <% if @user == current_user %>
+          <div>
+            <li><%= link_to image_tag("new.png", :class => "small_icon", :border=>0) + t('.new'), {:controller => 'diary_entry', :action => 'new'}, {:title => t('.new_title')} %></li>
+          </div>
         <% end %>
       <% else %>
-        <%= if_logged_in do %>
-          <li><%= link_to image_tag("new.png", :class => "small_icon", :border=>0) + t('.new'), {:controller => 'diary_entry', :action => 'new'}, {:title => t('.new_title')} %></li>
+        <% if current_user %>
+          <div>
+            <li><%= link_to image_tag("new.png", :class => "small_icon", :border=>0) + t('.new'), {:controller => 'diary_entry', :action => 'new'}, {:title => t('.new_title')} %></li>
+          </div>
         <% end %>
       <% end %>
     </ul>

app/views/diary_entry/view.html.erb

@@ -12,25 +12,27 @@
 <div class='comments'>
 <%= render :partial => 'diary_comment', :collection => @entry.visible_comments %>
 </div>
-<%= if_logged_in(:div) do %>
-  <h3 id="newcomment"><%= t '.leave_a_comment' %></h3>
 
-  <%= error_messages_for 'diary_comment' %>
 
-  <%= form_for :diary_comment, :url => { :action => 'comment' } do |f| %>
-    <%= richtext_area :diary_comment, :body, :cols => 80, :rows => 15 %>
-    <%= submit_tag t('.save_button') %>
+<div>
+  <% if current_user %>
+    <h3 id="newcomment"><%= t '.leave_a_comment' %></h3>
+
+    <%= error_messages_for 'diary_comment' %>
+
+    <%= form_for :diary_comment, :url => { :action => 'comment' } do |f| %>
+      <%= richtext_area :diary_comment, :body, :cols => 80, :rows => 15 %>
+      <%= submit_tag t('.save_button') %>
+    <% end %>
+    <% if @entry.subscribers.exists?(current_user.id) %>
+      <div class="diary-subscribe-buttons"><%= link_to t('javascripts.changesets.show.unsubscribe'), diary_entry_unsubscribe_path(:display_name => @entry.user.display_name, :id => @entry.id), :method => :post, :class => :button %></div>
+    <% else %>
+      <div class="diary-subscribe-buttons"><%= link_to t('javascripts.changesets.show.subscribe'), diary_entry_subscribe_path(:display_name => @entry.user.display_name, :id => @entry.id), :method => :post, :class => :button %></div>
+    <% end %>
+  <% else %>
+    <h3 id="newcomment"><%= raw t(".login_to_leave_a_comment", :login_link => link_to(t(".login"), :controller => 'user', :action => 'login', :referer => request.fullpath)) %></h3>
   <% end %>
-  <% if current_user and @entry.subscribers.exists?(current_user.id) %>
-    <div class="diary-subscribe-buttons"><%= link_to t('javascripts.changesets.show.unsubscribe'), diary_entry_unsubscribe_path(:display_name => @entry.user.display_name, :id => @entry.id), :method => :post, :class => :button %></div>
-  <% elsif current_user %>
-    <div class="diary-subscribe-buttons"><%= link_to t('javascripts.changesets.show.subscribe'), diary_entry_subscribe_path(:display_name => @entry.user.display_name, :id => @entry.id), :method => :post, :class => :button %></div>
-  <% end %>
-<% end %>
-
-<%= if_not_logged_in(:div) do %>
-  <h3 id="newcomment"><%= raw t(".login_to_leave_a_comment", :login_link => link_to(t(".login"), :controller => 'user', :action => 'login', :referer => request.fullpath)) %></h3>
-<% end %>
+</div>
 
 <% content_for :auto_discovery_link_tag do -%>
 <%= auto_discovery_link_tag :rss, :action => :rss, :display_name => @entry.user.display_name %>

app/views/layouts/_head.html.erb

@@ -33,7 +33,6 @@
   <% if flash[:piwik_goal] -%>
   <%= tag("meta", :name => "piwik-goal", :content => flash[:piwik_goal]) %>
   <% end -%>
-  <%= style_rules %>
   <%= yield :head %>
   <%= yield :auto_discovery_link_tag %>
   <%= csrf_meta_tag %>

app/views/traces/list.html.erb

@@ -11,8 +11,8 @@
       <% if @display_name %>
         <li><%= link_to t('.see_all_traces'), :controller => 'traces', :action => 'list', :display_name => nil, :tag => nil, :page => nil %></li>
       <% end %>
-      <%= unless_user(@target_user, :li) do %>
-        <%= link_to t('.see_my_traces'), :action => 'mine', :tag => nil, :page => nil %>
+      <% if current_user && current_user != @target_user %>
+        <li><%= link_to t('.see_my_traces'), :action => 'mine', :tag => nil, :page => nil %></li>
       <% end %>
     <% end %>
   </ul>

app/views/traces/view.html.erb

@@ -56,8 +56,10 @@
 
 <% if current_user && (current_user==@trace.user || current_user.administrator? || current_user.moderator?)%>
   <div class="buttons">
-    <%= if_user(@trace.user) do %>
-      <%= button_to t('.edit_track'), trace_edit_path(@trace) %>
+    <% if current_user == @trace.user %>
+      <div>
+        <%= button_to t('.edit_track'), trace_edit_path(@trace) %>
+      </div>
     <% end %>
     <%= button_to t('.delete_track'), { :controller => 'traces', :action => 'delete', :id => @trace.id }, :data => { :confirm => t('.confirm_delete') } %>
   </div>