From 811bb04649365b0faaa00b1e0810bb101a4d19b1 Mon Sep 17 00:00:00 2001
From: erdgeist <erdgeist@erdgeist.org>
Date: Fri, 26 Jun 2026 13:40:55 +0200
Subject: Stage 5 click-testing fixes
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- Fix link_to :method → button_to for all PUT/DELETE actions
- Add button_to CSS reset to admin.css for visual consistency
- Fix admin layout: replace broken jquery/jquery_ujs pipeline refs with
  admin_bundle via sprockets; add sprockets-rails, jquery-ui-rails gems
- Add app/assets/javascripts/admin_bundle.js pipeline manifest
- Fix event_information helper: use safe_join to avoid double-escaping
- Fix nodes_helper: to_s(:db) → to_fs(:db) for event times
- Fix revisions view: eliminate nested forms; diff button uses vanilla JS
  to collect radio button values before POST
- Fix config/environments/development.rb and test.rb: cache_classes →
  enable_reloading
- Add routing_filter_rails71_patch.rb version guard
- Move LockedByAnotherUser to own file for Zeitwerk autoloading
- Fix Globalize fallbacks via config.i18n.fallbacks in application.rb
---
 app/assets/config/manifest.js            |   1 +
 app/assets/javascripts/admin_bundle.js   |   5 +
 app/assets/javascripts/jquery.hotkeys.js | 244 +++++++++++++++++++++++++++++++
 app/helpers/link_helper.rb               |  12 +-
 app/helpers/nodes_helper.rb              |  16 +-
 app/views/admin/_drafts.html.erb         |   2 +-
 app/views/admin/_menu.html.erb           |   2 +-
 app/views/assets/index.html.erb          |   2 +-
 app/views/events/index.html.erb          |   2 +-
 app/views/layouts/admin.html.erb         |   5 +-
 app/views/menu_items/index.html.erb      |   9 +-
 app/views/nodes/edit.html.erb            |   2 +-
 app/views/occurrences/index.html.erb     |   2 +-
 app/views/pages/index.html.erb           |   2 +-
 app/views/revisions/index.html.erb       |  38 +++--
 app/views/users/_user.html.erb           |   9 +-
 16 files changed, 308 insertions(+), 45 deletions(-)
 create mode 100644 app/assets/javascripts/admin_bundle.js
 create mode 100755 app/assets/javascripts/jquery.hotkeys.js

(limited to 'app')

diff --git a/app/assets/config/manifest.js b/app/assets/config/manifest.js
index e69de29..56d7f6d 100644
--- a/app/assets/config/manifest.js
+++ b/app/assets/config/manifest.js
@@ -0,0 +1 @@
+//= link admin_bundle.js
diff --git a/app/assets/javascripts/admin_bundle.js b/app/assets/javascripts/admin_bundle.js
new file mode 100644
index 0000000..687266c
--- /dev/null
+++ b/app/assets/javascripts/admin_bundle.js
@@ -0,0 +1,5 @@
+//= require jquery
+//= require jquery_ujs
+//= require jquery-ui
+//= require jquery.hotkeys
+//= require_self
diff --git a/app/assets/javascripts/jquery.hotkeys.js b/app/assets/javascripts/jquery.hotkeys.js
new file mode 100755
index 0000000..9a8f2de
--- /dev/null
+++ b/app/assets/javascripts/jquery.hotkeys.js
@@ -0,0 +1,244 @@
+/*
+(c) Copyrights 2007 - 2008
+
+Original idea by by Binny V A, http://www.openjs.com/scripts/events/keyboard_shortcuts/
+ 
+jQuery Plugin by Tzury Bar Yochay 
+tzury.by@gmail.com
+http://evalinux.wordpress.com
+http://facebook.com/profile.php?id=513676303
+
+Project's sites: 
+http://code.google.com/p/js-hotkeys/
+http://github.com/tzuryby/hotkeys/tree/master
+
+License: same as jQuery license. 
+
+USAGE:
+    // simple usage
+    $(document).bind('keydown', 'Ctrl+c', function(){ alert('copy anyone?');});
+    
+    // special options such as disableInIput
+    $(document).bind('keydown', {combi:'Ctrl+x', disableInInput: true} , function() {});
+    
+Note:
+    This plugin wraps the following jQuery methods: $.fn.find, $.fn.bind and $.fn.unbind
+*/
+
+(function (jQuery){
+    // keep reference to the original $.fn.bind, $.fn.unbind and $.fn.find
+    jQuery.fn.__bind__ = jQuery.fn.bind;
+    jQuery.fn.__unbind__ = jQuery.fn.unbind;
+    jQuery.fn.__find__ = jQuery.fn.find;
+    
+    var hotkeys = {
+        version: '0.7.9',
+        override: /keypress|keydown|keyup/g,
+        triggersMap: {},
+        
+        specialKeys: { 27: 'esc', 9: 'tab', 32:'space', 13: 'return', 8:'backspace', 145: 'scroll', 
+            20: 'capslock', 144: 'numlock', 19:'pause', 45:'insert', 36:'home', 46:'del',
+            35:'end', 33: 'pageup', 34:'pagedown', 37:'left', 38:'up', 39:'right',40:'down', 
+            109: '-', 
+            112:'f1',113:'f2', 114:'f3', 115:'f4', 116:'f5', 117:'f6', 118:'f7', 119:'f8', 
+            120:'f9', 121:'f10', 122:'f11', 123:'f12', 191: '/'},
+        
+        shiftNums: { "`":"~", "1":"!", "2":"@", "3":"#", "4":"$", "5":"%", "6":"^", "7":"&", 
+            "8":"*", "9":"(", "0":")", "-":"_", "=":"+", ";":":", "'":"\"", ",":"<", 
+            ".":">",  "/":"?",  "\\":"|" },
+        
+        newTrigger: function (type, combi, callback) { 
+            // i.e. {'keyup': {'ctrl': {cb: callback, disableInInput: false}}}
+            var result = {};
+            result[type] = {};
+            result[type][combi] = {cb: callback, disableInInput: false};
+            return result;
+        }
+    };
+    // add firefox num pad char codes
+    //if (jQuery.browser.mozilla){
+    // add num pad char codes
+    hotkeys.specialKeys = jQuery.extend(hotkeys.specialKeys, { 96: '0', 97:'1', 98: '2', 99: 
+        '3', 100: '4', 101: '5', 102: '6', 103: '7', 104: '8', 105: '9', 106: '*', 
+        107: '+', 109: '-', 110: '.', 111 : '/'
+        });
+    //}
+    
+    // a wrapper around of $.fn.find 
+    // see more at: http://groups.google.com/group/jquery-en/browse_thread/thread/18f9825e8d22f18d
+    jQuery.fn.find = function( selector ) {
+        this.query = selector;
+        return jQuery.fn.__find__.apply(this, arguments);
+	};
+    
+    jQuery.fn.unbind = function (type, combi, fn){
+        if (jQuery.isFunction(combi)){
+            fn = combi;
+            combi = null;
+        }
+        if (combi && typeof combi === 'string'){
+            var selectorId = ((this.prevObject && this.prevObject.query) || (this[0].id && this[0].id) || this[0]).toString();
+            var hkTypes = type.split(' ');
+            for (var x=0; x<hkTypes.length; x++){
+                delete hotkeys.triggersMap[selectorId][hkTypes[x]][combi];
+            }
+        }
+        // call jQuery original unbind
+        return  this.__unbind__(type, fn);
+    };
+    
+    jQuery.fn.bind = function(type, data, fn){
+        // grab keyup,keydown,keypress
+        var handle = type.match(hotkeys.override);
+        
+        if (jQuery.isFunction(data) || !handle){
+            // call jQuery.bind only
+            return this.__bind__(type, data, fn);
+        }
+        else{
+            // split the job
+            var result = null,            
+            // pass the rest to the original $.fn.bind
+            pass2jq = jQuery.trim(type.replace(hotkeys.override, ''));
+            
+            // see if there are other types, pass them to the original $.fn.bind
+            if (pass2jq){
+                result = this.__bind__(pass2jq, data, fn);
+            }            
+            
+            if (typeof data === "string"){
+                data = {'combi': data};
+            }
+            if(data.combi){
+                for (var x=0; x < handle.length; x++){
+                    var eventType = handle[x];
+                    var combi = data.combi.toLowerCase(),
+                        trigger = hotkeys.newTrigger(eventType, combi, fn),
+                        selectorId = ((this.prevObject && this.prevObject.query) || (this[0].id && this[0].id) || this[0]).toString();
+                        
+                    //trigger[eventType][combi].propagate = data.propagate;
+                    trigger[eventType][combi].disableInInput = data.disableInInput;
+                    
+                    // first time selector is bounded
+                    if (!hotkeys.triggersMap[selectorId]) {
+                        hotkeys.triggersMap[selectorId] = trigger;
+                    }
+                    // first time selector is bounded with this type
+                    else if (!hotkeys.triggersMap[selectorId][eventType]) {
+                        hotkeys.triggersMap[selectorId][eventType] = trigger[eventType];
+                    }
+                    // make trigger point as array so more than one handler can be bound
+                    var mapPoint = hotkeys.triggersMap[selectorId][eventType][combi];
+                    if (!mapPoint){
+                        hotkeys.triggersMap[selectorId][eventType][combi] = [trigger[eventType][combi]];
+                    }
+                    else if (mapPoint.constructor !== Array){
+                        hotkeys.triggersMap[selectorId][eventType][combi] = [mapPoint];
+                    }
+                    else {
+                        hotkeys.triggersMap[selectorId][eventType][combi][mapPoint.length] = trigger[eventType][combi];
+                    }
+                    
+                    // add attribute and call $.event.add per matched element
+                    this.each(function(){
+                        // jQuery wrapper for the current element
+                        var jqElem = jQuery(this);
+                        
+                        // element already associated with another collection
+                        if (jqElem.attr('hkId') && jqElem.attr('hkId') !== selectorId){
+                            selectorId = jqElem.attr('hkId') + ";" + selectorId;
+                        }
+                        jqElem.attr('hkId', selectorId);
+                    });
+                    result = this.__bind__(handle.join(' '), data, hotkeys.handler)
+                }
+            }
+            return result;
+        }
+    };
+    // work-around for opera and safari where (sometimes) the target is the element which was last 
+    // clicked with the mouse and not the document event it would make sense to get the document
+    hotkeys.findElement = function (elem){
+        if (!jQuery(elem).attr('hkId')){
+            if (jQuery.browser.opera || jQuery.browser.safari){
+                while (!jQuery(elem).attr('hkId') && elem.parentNode){
+                    elem = elem.parentNode;
+                }
+            }
+        }
+        return elem;
+    };
+    // the event handler
+    hotkeys.handler = function(event) {
+        var target = hotkeys.findElement(event.currentTarget), 
+            jTarget = jQuery(target),
+            ids = jTarget.attr('hkId');
+        
+        if(ids){
+            ids = ids.split(';');
+            var code = event.which,
+                type = event.type,
+                special = hotkeys.specialKeys[code],
+                // prevent f5 overlapping with 't' (or f4 with 's', etc.)
+                character = !special && String.fromCharCode(code).toLowerCase(),
+                shift = event.shiftKey,
+                ctrl = event.ctrlKey,            
+                // patch for jquery 1.2.5 && 1.2.6 see more at:  
+                // http://groups.google.com/group/jquery-en/browse_thread/thread/83e10b3bb1f1c32b
+                alt = event.altKey || event.originalEvent.altKey,
+                mapPoint = null;
+
+            for (var x=0; x < ids.length; x++){
+                if (hotkeys.triggersMap[ids[x]][type]){
+                    mapPoint = hotkeys.triggersMap[ids[x]][type];
+                    break;
+                }
+            }
+            
+            //find by: id.type.combi.options            
+            if (mapPoint){ 
+                var trigger;
+                // event type is associated with the hkId
+                if(!shift && !ctrl && !alt) { // No Modifiers
+                    trigger = mapPoint[special] ||  (character && mapPoint[character]);
+                }
+                else{
+                    // check combinations (alt|ctrl|shift+anything)
+                    var modif = '';
+                    if(alt) modif +='alt+';
+                    if(ctrl) modif+= 'ctrl+';
+                    if(shift) modif += 'shift+';
+                    // modifiers + special keys or modifiers + character or modifiers + shift character or just shift character
+                    trigger = mapPoint[modif+special];
+                    if (!trigger){
+                        if (character){
+                            trigger = mapPoint[modif+character] 
+                                || mapPoint[modif+hotkeys.shiftNums[character]]
+                                // '$' can be triggered as 'Shift+4' or 'Shift+$' or just '$'
+                                || (modif === 'shift+' && mapPoint[hotkeys.shiftNums[character]]);
+                        }
+                    }
+                }
+                if (trigger){
+                    var result = false;
+                    for (var x=0; x < trigger.length; x++){
+                        if(trigger[x].disableInInput){
+                            // double check event.currentTarget and event.target
+                            var elem = jQuery(event.target);
+                            if (jTarget.is("input") || jTarget.is("textarea") || jTarget.is("select") 
+                                || elem.is("input") || elem.is("textarea") || elem.is("select")) {
+                                return true;
+                            }
+                        }                       
+                        // call the registered callback function
+                        result = result || trigger[x].cb.apply(this, [event]);
+                    }
+                    return result;
+                }
+            }
+        }
+    };
+    // place it under window so it can be extended and overridden by others
+    window.hotkeys = hotkeys;
+    return jQuery;
+})(jQuery);
diff --git a/app/helpers/link_helper.rb b/app/helpers/link_helper.rb
index cb13c8d..ea6c26f 100644
--- a/app/helpers/link_helper.rb
+++ b/app/helpers/link_helper.rb
@@ -39,11 +39,11 @@ module LinkHelper
   end
 
   def unlock_link
-    message = "Are you sure you want to unlock?\n" +
-              "Locked by #{@node.lock_owner.login}\n" +
-              "Last modified #{@page.updated_at.to_fs(:db)}"
-
-    link_to 'Unlock', unlock_node_path(@node), :method => :put, :data => { :confirm => message }
+    message = "Are you sure you want to unlock?\n" \
+      "Locked by #{@node.lock_owner.login}\n" \
+      "Last modified #{@page.updated_at.to_fs(:db)}"
+    button_to 'Unlock', unlock_node_path(@node),
+      method: :put,
+      form: { data: { confirm: message } }
   end
-
 end
diff --git a/app/helpers/nodes_helper.rb b/app/helpers/nodes_helper.rb
index c739ccd..a054a2e 100644
--- a/app/helpers/nodes_helper.rb
+++ b/app/helpers/nodes_helper.rb
@@ -28,14 +28,20 @@ module NodesHelper
   def user_list
     User.all.map {|u| [u.login, u.id]}
   end
-  
+
   def event_information
     if @node.event
-      "#{@node.event.start_time.to_fs(:db)} - #{@node.event.end_time.to_fs(:db)} > " \
-      "#{link_to 'show', event_path(@node.event)} " \
-      "#{link_to 'edit', edit_event_path(@node.event)}"
+      safe_join([
+        "#{@node.event.start_time.to_fs(:db)} - #{@node.event.end_time.to_fs(:db)} > ",
+        link_to('show', event_path(@node.event)),
+        ' ',
+        link_to('edit', edit_event_path(@node.event))
+      ])
     else
-      "no event attached > #{link_to 'add', new_event_path(:node_id => @node.id)}"
+      safe_join([
+        'no event attached > ',
+        link_to('add', new_event_path(:node_id => @node.id))
+      ])
     end
   end
 end
diff --git a/app/views/admin/_drafts.html.erb b/app/views/admin/_drafts.html.erb
index 2036d12..a35b0ab 100644
--- a/app/views/admin/_drafts.html.erb
+++ b/app/views/admin/_drafts.html.erb
@@ -17,7 +17,7 @@
       <td class="actions">
         <%= link_to 'Show', node_path(draft.node) %>
         <%= link_to "Revisions", revision_path(draft.node.id) %>
-        <%= link_to "Publish", publish_node_path(draft.node), :method => :put, :data => { :confirm => "Do you really want to publish?" } %>
+        <%= button_to "Publish", publish_node_path(draft.node), method: :put, form: { data: { confirm: "Do you really want to publish?" } } %>
       </td>
     </tr>
     <% end %>
diff --git a/app/views/admin/_menu.html.erb b/app/views/admin/_menu.html.erb
index 3188d94..6f217eb 100644
--- a/app/views/admin/_menu.html.erb
+++ b/app/views/admin/_menu.html.erb
@@ -1,5 +1,5 @@
 <%= language_selector %>
-<%= link_to 'Logout', logout_path, :method => :delete %>
+<%= button_to 'Logout', logout_path, method: :delete %>
 <%= link_to 'Overview', admin_path %>
 <%= link_to 'Nodes', nodes_path, selected?('nodes') %>
 <%= link_to 'Assets', assets_path, selected?('assets') %>
diff --git a/app/views/assets/index.html.erb b/app/views/assets/index.html.erb
index e7ef313..83d55c2 100644
--- a/app/views/assets/index.html.erb
+++ b/app/views/assets/index.html.erb
@@ -15,7 +15,7 @@
     <td><%= asset.upload.content_type %></td>
     <td><%= link_to 'Show', asset %></td>
     <td><%= link_to 'Edit', edit_asset_path(asset) %></td>
-    <td><%= link_to 'Destroy', asset, :data => { :confirm => 'Are you sure?' }, :method => :delete %></td>
+    <td><%= button_to 'Destroy', asset, method: :delete, form: { data: { confirm: 'Are you sure?' } } %></td>
   </tr>
 <% end %>
 </table>
diff --git a/app/views/events/index.html.erb b/app/views/events/index.html.erb
index 93c95fa..19b21ce 100644
--- a/app/views/events/index.html.erb
+++ b/app/views/events/index.html.erb
@@ -26,7 +26,7 @@
     <td><%=h event.node_id %></td>
     <td><%= link_to 'Show', event %></td>
     <td><%= link_to 'Edit', edit_event_path(event) %></td>
-    <td><%= link_to 'Destroy', event, :data => { :confirm => 'Are you sure?' }, :method => :delete %></td>
+    <td><%= button_to 'Destroy', event, method: :delete, form: { data: { confirm: 'Are you sure?' } } %></td>
   </tr>
 <% end %>
 </table>
diff --git a/app/views/layouts/admin.html.erb b/app/views/layouts/admin.html.erb
index e64850b..2a90786 100644
--- a/app/views/layouts/admin.html.erb
+++ b/app/views/layouts/admin.html.erb
@@ -7,14 +7,13 @@
     <%= csrf_meta_tags %>
   
     <title><%= "#{params[:controller]} | #{params[:action]}" %></title>
-    <%= javascript_include_tag 'jquery', 'jquery_ujs' %>
-    <%= javascript_include_tag 'jquery-ui-1.7.2.custom.min' %>
-    <%= javascript_include_tag 'jquery.hotkeys' %>
+    <%= javascript_include_tag 'admin_bundle' %>
     <%= javascript_include_tag 'tiny_mce/jquery.tinymce.js' %>
     <%= javascript_tag "var AUTH_TOKEN = #{form_authenticity_token.inspect};" if protect_against_forgery? %>
     <%= stylesheet_link_tag 'admin' %>
     <%= javascript_include_tag 'admin_search.js' %>
     <%= javascript_include_tag 'admin_interface.js' %>
+    <%= stylesheet_link_tag 'admin' %>
   </head>
   
   <body>
diff --git a/app/views/menu_items/index.html.erb b/app/views/menu_items/index.html.erb
index 7d0ce62..c52c150 100644
--- a/app/views/menu_items/index.html.erb
+++ b/app/views/menu_items/index.html.erb
@@ -14,12 +14,9 @@
     <td class="menu_item_title"><%= menu_item.title %></td>
     <td><%= link_to "Edit", edit_menu_item_path(menu_item) %></td>
     <td>
-      <%= link_to( 
-            "Delete", 
-            menu_item_path(menu_item),
-            :method => :delete,
-            :data => { :confirm => "Are you sure?" }
-          ) %>
+      <%= button_to "Delete", menu_item_path(menu_item),
+            method: :delete,
+            form: { data: { confirm: "Are you sure?" } } %>
     </td>
   </tr>
   <% end %>
diff --git a/app/views/nodes/edit.html.erb b/app/views/nodes/edit.html.erb
index 64884cf..596f992 100644
--- a/app/views/nodes/edit.html.erb
+++ b/app/views/nodes/edit.html.erb
@@ -2,7 +2,7 @@
   <%= link_to 'metadata', '#', :id => 'button', :class => "unselected" %>
   <%= link_to 'Show', @node %>
   <%= link_to 'Preview', preview_page_path(@draft) %>
-  <%= link_to 'Publish', publish_node_path, :method => :put, :data => { :confirm => "Publish this draft?" } %>
+  <%= button_to 'Publish', publish_node_path(@node), method: :put, form: { data: { confirm: "Publish this draft?" } } %>
   <%= link_to 'Revisions', node_revisions_path(@node) %>  
 <% end %>
 
diff --git a/app/views/occurrences/index.html.erb b/app/views/occurrences/index.html.erb
index 7b8ffb8..0e99857 100644
--- a/app/views/occurrences/index.html.erb
+++ b/app/views/occurrences/index.html.erb
@@ -18,7 +18,7 @@
     <td><%=h occurrence.event_id %></td>
     <td><%= link_to 'Show', occurrence %></td>
     <td><%= link_to 'Edit', edit_occurrence_path(occurrence) %></td>
-    <td><%= link_to 'Destroy', occurrence, :data => { :confirm => 'Are you sure?' }, :method => :delete %></td>
+    <td><%= button_to 'Destroy', occurrence, method: :delete, form: { data: { confirm: 'Are you sure?' } } %></td>
   </tr>
 <% end %>
 </table>
diff --git a/app/views/pages/index.html.erb b/app/views/pages/index.html.erb
index 4b28c9b..91e5359 100644
--- a/app/views/pages/index.html.erb
+++ b/app/views/pages/index.html.erb
@@ -12,7 +12,7 @@
     <td><%=h page.title %></td>
     <td><%= link_to 'Show', content_path(:page_path => page.node.unique_path) %></td>
     <td><%= link_to 'Edit', edit_page_path(page) %></td>
-    <td><%= link_to 'Destroy', page, :data => { :confirm => 'Are you sure?' }, :method => :delete %></td>
+    <td><%= button_to 'Destroy', page, method: :delete, form: { data: { confirm: 'Are you sure?' } } %></td>
   </tr>
 <% end %>
 </table>
diff --git a/app/views/revisions/index.html.erb b/app/views/revisions/index.html.erb
index e038ed2..b875a4f 100644
--- a/app/views/revisions/index.html.erb
+++ b/app/views/revisions/index.html.erb
@@ -4,7 +4,6 @@
 
 <h2>Revisions for Node: <%= @node.unique_name %></h2>
 
-<%= form_tag diff_node_revisions_path(@node) do %>
 <table id="revisions">
   <tr class="header">
     <th>First</th>
@@ -14,6 +13,7 @@
     <th>Editor</th>
     <th>Date</th>
     <th></th>
+    <th></th>
   </tr>
 <% (@pages || @node.pages.all).reverse.each do |page| %>
   <tr>
@@ -23,22 +23,36 @@
     <td class="title"><%= page.title %></td>
     <td class="user"><%= page.editor.try(:login) %></td>
     <td class="date"><%= page.updated_at %></td>
+    <td><%= link_to 'show', node_revision_path(@node, page) %></td>
     <td>
-      <%= link_to 'show', node_revision_path(@node, page) %>
-    </td>
-    <td>
-      <%= link_to(
-            'restore', 
-            restore_node_revision_path(@node, page), 
-            :method => :put, 
-            :data => { :confirm => "Restore this revision?" }
-          ) %>
+      <%= button_to 'restore', restore_node_revision_path(@node, page),
+            method: :put,
+            form: { data: { confirm: "Restore this revision?" } } %>
     </td>
   </tr>
 <% end %>
   <tr class="no_hover">
-    <td colspan="8" class="right"><%= submit_tag 'Diff revisions' %></td>
+    <td colspan="8" class="right">
+      <%= button_to 'Diff revisions', diff_node_revisions_path(@node),
+            method: :post,
+            form: { id: 'diff_form' } %>
+    </td>
   </tr>
 </table>
 
-<% end %>
+<script>
+  document.getElementById('diff_form').addEventListener('submit', function(e) {
+    var start = document.querySelector('input[name="start_revision"]:checked');
+    var end = document.querySelector('input[name="end_revision"]:checked');
+    if (start) {
+      var s = document.createElement('input');
+      s.type = 'hidden'; s.name = 'start_revision'; s.value = start.value;
+      this.appendChild(s);
+    }
+    if (end) {
+      var en = document.createElement('input');
+      en.type = 'hidden'; en.name = 'end_revision'; en.value = end.value;
+      this.appendChild(en);
+    }
+  });
+</script>
diff --git a/app/views/users/_user.html.erb b/app/views/users/_user.html.erb
index 9987e31..ddb7afd 100644
--- a/app/views/users/_user.html.erb
+++ b/app/views/users/_user.html.erb
@@ -7,12 +7,9 @@
     <%= link_to "edit", edit_user_path(user) %>
   </td>
   <td>
-    <%= link_to(
-          "destroy",
-          user_path(user),
-          :method => :delete,
-          :data => { :confirm => "Do you really want to delete user #{user.login}?" }
-        ) %>
+    <%= button_to "destroy", user_path(user),
+          method: :delete,
+          form: { data: { confirm: "Do you really want to delete user #{user.login}?" } } %>
   </td>
   <% end %>
 </tr>
-- 
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