simple theme update

- npm package update
- apply #1226
- implement vim help dialog
- display cookies and search URL with preferences
- allow to enable / disable Open Access DOI rewrite
- add a clear text button on the left of the search button
- implement #1011 : the HTML title page is not set when using POST
- remove searx/static/themes/simple/img/loader.gif
- use full width when only there are only images as result

searx/templates/simple/preferences.html

@@ -52,9 +52,9 @@
     <p class="value">
       <select name="autocomplete">
         <option value=""> - </option>
-        {% for backend in autocomplete_backends %}
+        {%- for backend in autocomplete_backends -%}
         <option value="{{ backend }}" {% if backend == autocomplete %}selected="selected"{% endif %}>{{ backend }}</option>
-        {% endfor %}
+        {%- endfor -%}
       </select>
     </p>
     <div class="description">{{ _('Find stuff as you type') }}</div>
@@ -71,6 +71,19 @@
     <div class="description">{{ _('Filter content') }}</p>
   </fieldset>
   {{ plugin_preferences('general') }}
+  <fieldset>
+    <legend>{{ _('Open Access DOI resolver') }}</legend>
+    <p class="value">
+      <select id='doi_resolver' name='doi_resolver'>
+      {%- for doi_resolver_name,doi_resolver_url in doi_resolvers.items() -%}
+         <option value="{{ doi_resolver_name }}" {% if doi_resolver_name == current_doi_resolver %}selected="selected"{% endif %}>
+         {{- doi_resolver_name }} - {{ doi_resolver_url -}}
+         </option>
+      {%- endfor -%}
+      </select>
+    </p>
+    <div class="description"><!-- {{ _('Redirect to open-access versions of publications when available (plugin required)') }} --></div>
+  </fieldset>
   {{ tab_footer() }}
 
   {{ tab_header('maintab', 'engines', _('Engines')) }}
@@ -151,6 +164,38 @@
   {{ plugin_preferences('ui') }}
   {{ tab_footer() }}
 
+  {{ tab_header('maintab', 'cookies', _('Cookies')) }}
+
+     <p class="text-muted" style="margin:20px 0;">
+        {{ _('This is the list of cookies and their values searx is storing on your computer.') }}<br />
+        {{ _('With that list, you can assess searx transparency.') }}<br />
+     </p>
+
+     {% if cookies %}     
+     <table class="cookies">
+       <tr>
+          <th>{{ _('Cookie name') }}</th>
+          <th>{{ _('Value') }}</th>
+       </tr>
+       {% for cookie in cookies %}
+       <tr>
+          <td>{{ cookie }}</td>
+          <td>{{ cookies[cookie] }}</td>
+       </tr>
+       {% endfor %}
+     </table>
+     {% else %}
+        {% include 'oscar/messages/no_cookies.html' %}
+     {% endif %}     
+
+     <h4>{{ _('Search URL of the currently saved preferences') }} :</h4>
+     <div class="selectable_url">
+       <pre>{{ url_for('index', _external=True) }}?preferences={{ preferences_url_params|e }}{% raw %}&amp;q=%s{% endraw %}</pre>
+     </div>
+     <p class="small_font">{{ _('Note: specifying custom settings in the search URL can reduce privacy by leaking data to the clicked result sites.') }}</p>
+     
+  {{ tab_footer() }}
+
   {{ tab_header('maintab', 'privacy', _('Privacy')) }}
   <fieldset>
     <legend>{{ _('Method') }}</legend>
@@ -173,6 +218,7 @@
     <div class="description">{{ _('Proxying image results through searx') }}</div>
   </fieldset>
   {{ plugin_preferences('privacy') }}
+  
   {{ tab_footer() }}
 
   {{ tabs_close() }}
@@ -180,7 +226,7 @@
   <p class="small_font">{{ _('These settings are stored in your cookies, this allows us not to store this data about you.') }}
     <br />
     {{ _("These cookies serve your sole convenience, we don't use these cookies to track you.") }}
-  </p>
+  </p>  
 
   <input type="submit" value="{{ _('save') }}" />
   <div class="{% if rtl %}left{% else %}right{% endif %} preferences_back"><a href="{{ url_for('clear_cookies') }}">{{ _('Reset defaults') }}</a></div>