[fix] plugins in simple theme

The previous commit introduced a new plugin Resource API.
This commit implements the necessary changes in the simple theme.

(There's no change to infinite_scroll.py because it hasn't actually
 yet been implemented in the Simple theme.)

searx/plugins/search_on_category_select.py

@@ -26,4 +26,5 @@ preference_section = 'ui'
 
 js_dependencies = (
     Resource(path='plugins/js/search_on_category_select.js', themes=('oscar',)),
+    Resource(path='themes/simple/src/js/plugins/search_on_category_select.js', themes=('simple',)),
 )

searx/plugins/vim_hotkeys.py

@@ -12,5 +12,6 @@ preference_section = 'ui'
 
 js_dependencies = (
     Resource(path='plugins/js/vim_hotkeys.js', themes=('oscar',)),
+    Resource(path='themes/simple/src/js/plugins/vim_hotkeys.js', themes=('simple',)),
 )
 css_dependencies = (Resource(path='plugins/css/vim_hotkeys.css', themes=('oscar',)),)

searx/static/themes/simple/src/js/head/00_init.js

@@ -19,9 +19,6 @@
     touch: (("ontouchstart" in w) || w.DocumentTouch && document instanceof DocumentTouch) || false,
     method: script.getAttribute('data-method'),
     autocompleter: script.getAttribute('data-autocompleter') === 'true',
-    search_on_category_select: script.getAttribute('data-search-on-category-select') === 'true',
-    infinite_scroll: script.getAttribute('data-infinite-scroll') === 'true',
-    hotkeys: script.getAttribute('data-hotkeys') === 'true',
     static_path: script.getAttribute('data-static-path'),
     translations: JSON.parse(script.getAttribute('data-translations')),
     theme: {

searx/static/themes/simple/src/js/main/search.js

@@ -12,13 +12,6 @@
     }
   }
 
-  function submitIfQuery () {
-    if (qinput.value.length  > 0) {
-      var search = document.getElementById('search');
-      setTimeout(search.submit.bind(search), 0);
-    }
-  }
-
   function createClearButton (qinput) {
     var cs = document.getElementById('clear_search');
     var updateClearButton = function () {
@@ -95,30 +88,6 @@
       qinput.addEventListener('focus', placeCursorAtEndOnce, false);
       qinput.focus();
     }
-
-    // vanilla js version of search_on_category_select.js
-    if (qinput !== null && d.querySelector('.help') != null && searxng.search_on_category_select) {
-      d.querySelector('.help').className = 'invisible';
-
-      searxng.on('#categories input', 'change', function () {
-        var i, categories = d.querySelectorAll('#categories input[type="checkbox"]');
-        for (i = 0; i < categories.length; i++) {
-          if (categories[i] !== this && categories[i].checked) {
-            categories[i].click();
-          }
-        }
-        if (! this.checked) {
-          this.click();
-        }
-        submitIfQuery();
-        return false;
-      });
-
-      searxng.on(d.getElementById('safesearch'), 'change', submitIfQuery);
-      searxng.on(d.getElementById('time_range'), 'change', submitIfQuery);
-      searxng.on(d.getElementById('language'), 'change', submitIfQuery);
-    }
-
   });
 
 })(window, document, window.searxng);

searx/static/themes/simple/src/js/plugins/search_on_category_select.js

@@ -0,0 +1,31 @@
+const qinput = document.getElementById('q');
+
+function submitIfQuery() {
+  if (qinput.value.length > 0) {
+    var search = document.getElementById('search');
+    setTimeout(search.submit.bind(search), 0);
+  }
+}
+
+// vanilla js version of search_on_category_select.js
+if (qinput !== null && document.querySelector('.help') != null) {
+  document.querySelector('.help').className = 'invisible';
+
+  searxng.on('#categories input', 'change', function () {
+    var i, categories = document.querySelectorAll('#categories input[type="checkbox"]');
+    for (i = 0; i < categories.length; i++) {
+      if (categories[i] !== this && categories[i].checked) {
+        categories[i].click();
+      }
+    }
+    if (!this.checked) {
+      this.click();
+    }
+    submitIfQuery();
+    return false;
+  });
+
+  searxng.on(document.getElementById('safesearch'), 'change', submitIfQuery);
+  searxng.on(document.getElementById('time_range'), 'change', submitIfQuery);
+  searxng.on(document.getElementById('language'), 'change', submitIfQuery);
+}

searx/static/themes/simple/src/js/plugins/vim_hotkeys.js

@@ -154,7 +154,6 @@ searxng.ready(function () {
     }
   };
 
-  if (searxng.hotkeys) {
   searxng.on(document, "keydown", function (e) {
     // check for modifiers so we don't break browser's hotkeys
     if (Object.prototype.hasOwnProperty.call(vimKeys, e.keyCode) && !e.ctrlKey && !e.altKey && !e.shiftKey && !e.metaKey) {
@@ -169,7 +168,6 @@ searxng.ready(function () {
       }
     }
   });
-  }
 
   function highlightResult (which) {
     return function (noScroll) {

searx/templates/simple/base.html

@@ -24,9 +24,6 @@
   <script src="{{ url_for('static', filename='js/searxng.head.min.js') }}"
           data-method="{{ method or 'POST' }}"
           data-autocompleter="{% if autocomplete %}true{% else %}false{% endif %}"
-          data-search-on-category-select="{{ 'true' if 'plugins/js/search_on_category_select.js' in scripts else 'false'}}"
-          data-infinite-scroll="{{ 'true' if 'plugins/js/infinite_scroll.js' in scripts else 'false' }}"
-          data-hotkeys="{{ 'true' if 'plugins/js/vim_hotkeys.js' in scripts else 'false' }}"
           data-static-path="{{ url_for('static', filename='themes/simple') }}/"
           data-translations="{{ translations }}"></script>
   {% block head %}