Mynij Search: description in search result hax maximum 250 characters

Fix search form also

bt5/Mynij Search/PathTemplateItem/web_page_module/gadget_erp5_page_mynij_search_html.html

@@ -13,9 +13,11 @@
     </div>
     <div id="search_div">
       <form id="search_bar">
-        <input type="search" id="search_input" required>
-      </form>
+        <input type="search" id="search_input" name="search" value>
         <select id="select_index"></select>
+        <button class="search-button ui-btn-icon-notext ui-icon-search" type="submit">
+        </button>
+      </form>
     </div>
   <div id="gadget_result" data-gadget-url="gadget_mynij_result.html"
        data-gadget-scope="result" data-gadget-sandbox="public"></div>

bt5/Mynij Search/PathTemplateItem/web_page_module/gadget_erp5_page_mynij_search_js.js

@@ -88,8 +88,13 @@
   })
 
   .declareJob("clear", function () {
+    var gadget = this;
     this.element.querySelector("#search_input").value = "";
-    return this.state.result_gadget.clear();
+    return this.state.result_gadget.clear()
+      .push(function () {
+        document.getElementById("logo-search").classList.remove('hide');
+        return gadget.state.result_gadget.hideResultBox();
+      });
   })
 
   .declareJob("defer_search", function (search_text, index, limit) {
@@ -97,7 +102,7 @@
         top = document.getElementById("logo-search");
 
     if(top) {
-      gadget.element.removeChild(top);
+      top.classList.add("hide");
     }
     return gadget.state.result_gadget.startLoading()
       .push(function () {
@@ -175,7 +180,7 @@
          var error_html;
         error_html = document.createElement("p");
         error_html.className = "no-result";
-        error_html.textContent = "AN error occured, please try again. " +
+        error_html.textContent = "An error occured, please try again. " +
           error.message || '';
         return gadget.state.result_gadget.show_searx_result(error_html);
       })

bt5/Mynij Search/PathTemplateItem/web_page_module/gadget_mynij_model.js.js

@@ -98,7 +98,7 @@
         index_id = "index-" + index_name,
         new_index;
 
-    new_index = FlexSearch.create("memory", {stemmer : "en", filter : "en"});
+    new_index = FlexSearch.create("memory", {stemmer : "en", filter : "en", encode: "icase"});
     return gadget.state.db.getAttachment(index_id, "ids", {"format": "text"})
     .push(function (result) {
       ids = result;

bt5/Mynij Search/PathTemplateItem/web_page_module/gadget_mynij_result.js.js

@@ -13,6 +13,13 @@
       box.classList.remove("hide");
     }
   })
+  .declareMethod("hideResultBox", function () {
+    var box = document.getElementById("results");
+
+    if (!box.classList.contains("hide")) {
+      box.classList.add("hide");
+    }
+  })
 
   .declareMethod("startLoading", function () {
     var loader;
@@ -143,23 +150,62 @@
         key_list = key.split(' '),
         search_key = key;
 
+    function extract_description(description) {
+      var regex,
+          max_length = 250,
+          start,
+          end,
+          count = 0,
+          i;
+      description = description.replace(/[\t\r\n]+/g, '')
+        .replace(/ +(?= )/g, '');
+      if (description.length <= max_length)
+        return description;
+      regex = new RegExp('(' + search_key + ')', 'i').exec(description);
+      if (regex !== null) {
+        start = regex.index;
+        end = start + regex[0].length;
+        i = start;
+        while (i > 0 && count < 10) {
+          if (description[i] === ' ') {
+            count += 1;
+            start = i + 1;
+          }
+          i -= 1;
+        }
+        if (i === 0)
+          start = 0;
+        end = max_length + start;
+        if (end > description.length)
+          end = description.length;
+        return description.slice(start, end) + "...";
+      }
+      return description;
+    }
+
     if (key_list.length > 0)
       search_key = [key].concat(key_list).join("|");
     result = new RegExp(
-      '[^;?.?!]*\s?(' + search_key + ')\s?[^.?!]*[.?!]', 'i').exec(body);
+      '[^;?.?!]*\\s?(' + search_key + ')\\s?[^.?!]*[.?!]', 'i').exec(body);
 
     if (result === null) {
       //if (description !== "") return description; else....
       result = new RegExp('[^.?!]*[.?!]').exec(body);
-      if (result === null) return "";
-      else return result[0];
+      if (result === null)
+        return "";
+      else
+        return result[0];
     }
-    else return result[0];
+    else
+      return extract_description(result[0]);
   })
   .declareMethod("cut_link", function (link) {
-    if (link === undefined) return "";
-    if (link.length > 70) return link.slice(0, 70) + "...";
-    else return link;
+    if (link === undefined)
+      return "";
+    if (link.length > 70)
+      return link.slice(0, 70) + "...";
+    else
+      return link;
   });
 
 }(window, RSVP, rJS, document, DOMParser));
\ No newline at end of file

bt5/Mynij Search/PathTemplateItem/web_page_module/gadget_mynij_style.css.css

@@ -6,10 +6,16 @@
 #search_bar {
     width: 100%;
     padding-right: 1%;
+    display: inline-flex;
+}
+
+.search-button {
+  margin-left: 10px;
 }
 
 #select_index {
-    width: 20%;
+    max-width: 20%;
+    margin-left: 5px;
 }
 
 .search {