[web-client] simple theme: move sources to client/simple/src

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

client/simple/src/js/main/preferences.js

@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: AGPL-3.0-or-later */
+(function (w, d, searxng) {
+  'use strict';
+
+  if (searxng.endpoint !== 'preferences') {
+    return;
+  }
+
+  searxng.ready(function () {
+    let engine_descriptions = null;
+    function load_engine_descriptions () {
+      if (engine_descriptions == null) {
+        searxng.http("GET", "engine_descriptions.json").then(function (content) {
+          engine_descriptions = JSON.parse(content);
+          for (const [engine_name, description] of Object.entries(engine_descriptions)) {
+            let elements = d.querySelectorAll('[data-engine-name="' + engine_name + '"] .engine-description');
+            for (const element of elements) {
+              let source = ' (<i>' + searxng.settings.translations.Source + ':&nbsp;' + description[1] + '</i>)';
+              element.innerHTML = description[0] + source;
+            }
+          }
+        });
+      }
+    }
+
+    for (const el of d.querySelectorAll('[data-engine-name]')) {
+      searxng.on(el, 'mouseenter', load_engine_descriptions);
+    }
+
+    const enableAllEngines = d.querySelectorAll(".enable-all-engines");
+    const disableAllEngines = d.querySelectorAll(".disable-all-engines");
+    const engineToggles = d.querySelectorAll('tbody input[type=checkbox][class~=checkbox-onoff]');
+    const toggleEngines = (enable) => {
+      for (const el of engineToggles) {
+        // check if element visible, so that only engines of the current category are modified
+        if (el.offsetParent !== null) el.checked = !enable;
+      }
+    };
+    for (const el of enableAllEngines) {
+      searxng.on(el, 'click', () => toggleEngines(true));
+    }
+    for (const el of disableAllEngines) {
+      searxng.on(el, 'click', () => toggleEngines(false));
+    }
+
+    const copyHashButton = d.querySelector("#copy-hash");
+    searxng.on(copyHashButton, 'click', (e) => {
+      e.preventDefault();
+      navigator.clipboard.writeText(copyHashButton.dataset.hash);
+      copyHashButton.innerText = copyHashButton.dataset.copiedText;
+    });
+  });
+})(window, document, window.searxng);