Renamed the module's machine name from islandora_advanced_search to `advanced_search

js/advanced_search.form.js

@@ -0,0 +1,124 @@
+//# sourceURL=modules/contrib/islandora/modules/advanced_search/js/islandora-advanced-search.form.js
+/**
+ * @file
+ * Handles Ajax submission / updating form action on url change, etc.
+ */
+(function ($, Drupal, drupalSettings) {
+
+  // Gets current parameters minus ones provided by the form.
+  function getParams(query_parameter, recurse_parameter) {
+    const url_search_params = new URLSearchParams(window.location.search);
+    const params = Object.fromEntries(url_search_params.entries());
+    // Remove Advanced Search Query Parameters.
+    const param_match = "query\\[\\d+\\]\\[.+\\]".replace("query", query_parameter);
+    const param_regex = new RegExp(param_match, "g");
+    for (const param in params) {
+      if (param.match(param_regex)) {
+        delete params[param];
+      }
+    }
+    // Remove Recurse parameter.
+    delete params[recurse_parameter];
+    // Remove the page if set as submitting the form should always take
+    // the user to the first page (facets do the same).
+    delete params["page"];
+    return params;
+  }
+
+  // Groups form inputs by search term.
+  function getTerms(inputs) {
+    const input_regex = /terms\[(?<index>\d+)\]\[(?<component>.*)\]/;
+    const terms = [];
+    for (const input in inputs) {
+      const name = inputs[input].name;
+      const value = inputs[input].value;
+      const found = name.match(input_regex);
+      if (found) {
+        const index = parseInt(found.groups.index);
+        const component = found.groups.component;
+        if (typeof terms[index] !== 'object') {
+          terms[index] = {};
+        }
+        terms[index][component] = value;
+      }
+    }
+    return terms;
+  }
+
+  // Checks if the form user has set recursive to true in the form.
+  function getRecurse(inputs) {
+    for (const input in inputs) {
+      const name = inputs[input].name;
+      const value = inputs[input].value;
+      if (name == "recursive" && value == "1") {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  function url(inputs, settings) {
+    const terms = getTerms(inputs);
+    const recurse = getRecurse(inputs);
+    const params = getParams(settings.query_parameter, settings.recurse_parameter);
+    for (const index in terms) {
+      const term = terms[index];
+      // Do not include terms with no value.
+      if (term.value.length != 0) {
+        for (const component in term) {
+          const value = term[component];
+          const param = "query[index][component]"
+            .replace("query", settings.query_parameter)
+            .replace("index", index)
+            .replace("component", settings.mapping[component]);
+          params[param] = value;
+        }
+      }
+    }
+    if (recurse) {
+      params[settings.recurse_parameter] = '1';
+    }
+    return window.location.href.split("?")[0] + "?" + $.param(params);
+  }
+
+  Drupal.behaviors.advanced_search_form = {
+    attach: function (context, settings) {
+      if (settings.advanced_search_form.id !== 'undefined') {
+        const $form = $('form#' + settings.advanced_search_form.id).once();
+        if ($form.length > 0) {
+          window.addEventListener("pushstate", function (e) {
+            $form.attr('action', window.location.pathname + window.location.search);
+          });
+          window.addEventListener("popstate", function (e) {
+            if (e.state != null) {
+              $form.attr('action', window.location.pathname + window.location.search);
+            }
+          });
+          // Prevent form submission and push state instead.
+          //
+          // Logic server side / client side should match to generate the
+          // appropriate URL with javascript enabled or disable.
+          //
+          // If a route is set for the view display that this form is derived
+          // from, and we are not on the same page as that route, rely on the
+          // normal submit which will redirect to the appropriate page.
+          if (!settings.advanced_search_form.redirect) {
+            $form.submit(function (e) {
+              e.preventDefault();
+              e.stopPropagation();
+              const inputs = $form.serializeArray();
+              const href = url(inputs, settings.advanced_search_form);
+              window.history.pushState(null, document.title, href);
+            });
+          }
+          // Reset should trigger refresh of AJAX Blocks / Views.
+          $form.find('input[data-drupal-selector = "edit-reset"]').mousedown(function (e) {
+            const inputs = [];
+            const href = url(inputs, settings.advanced_search_form);
+            window.history.pushState(null, document.title, href);
+          });
+        }
+      }
+    }
+  };
+})(jQuery, Drupal, drupalSettings);