FEATURE: use `a` when search result is focused to add to composer

app/assets/javascripts/discourse/components/d-editor.js.es6

@@ -259,7 +259,7 @@ export default Ember.Component.extend({
 
     if (this.get('composerEvents')) {
       this.appEvents.on('composer:insert-block', text => this._addBlock(this._getSelected(), text));
-      this.appEvents.on('composer:insert-text', text => this._addText(this._getSelected(), text));
+      this.appEvents.on('composer:insert-text', (text, options) => this._addText(this._getSelected(), text, options));
       this.appEvents.on('composer:replace-text', (oldVal, newVal) => this._replaceText(oldVal, newVal));
     }
     this._mouseTrap = mouseTrap;
@@ -613,8 +613,22 @@ export default Ember.Component.extend({
     Ember.run.scheduleOnce("afterRender", () => $textarea.focus());
   },
 
-  _addText(sel, text) {
+  _addText(sel, text, options) {
     const $textarea = this.$('textarea.d-editor-input');
+
+    if (options && options.ensureSpace) {
+      if ((sel.pre + '').length > 0) {
+        if (!sel.pre.match(/\s$/)) {
+          text = ' ' + text;
+        }
+      }
+      if ((sel.post + '').length > 0) {
+        if (!sel.post.match(/^\s/)) {
+          text = text + ' ';
+        }
+      }
+    }
+
     const insert = `${sel.pre}${text}`;
     const value = `${insert}${sel.post}`;
     this.set('value', value);

app/assets/javascripts/discourse/widgets/search-menu-results.js.es6

@@ -21,17 +21,12 @@ function createSearchResult({ type, linkField, builder }) {
   return createWidget(`search-result-${type}`, {
     html(attrs) {
 
-      let i=-1;
-
       return attrs.results.map(r => {
-        i+=1;
         let searchResultId;
         if (type === "topic") {
           searchResultId = r.get('topic_id');
         }
-        let className = i === attrs.selected ? '.selected' : '';
-
-        return h('li' + className, { attributes: { tabindex: '-1' } }, this.attach('link', {
+        return h('li', this.attach('link', {
           href: r.get(linkField),
           contents: () => builder.call(this, r, attrs.term),
           className: 'search-link',
@@ -131,8 +126,7 @@ createWidget('search-menu-results', {
           searchContextEnabled: attrs.searchContextEnabled,
           searchLogId: attrs.results.grouped_search_result.search_log_id,
           results: rt.results,
-          term: attrs.term,
-          selected: (attrs.selected && attrs.selected.type === rt.type) ? attrs.selected.index : -1
+          term: attrs.term
         })),
         h('div.no-results', more)
       ];

app/assets/javascripts/discourse/widgets/search-menu.js.es6

@@ -9,8 +9,7 @@ const searchData = {
   noResults: false,
   term: undefined,
   typeFilter: null,
-  invalidTerm: false,
-  selected: null
+  invalidTerm: false
 };
 
 // Helps with debouncing and cancelling promises
@@ -134,7 +133,6 @@ export default createWidget('search-menu', {
           results: searchData.results,
           invalidTerm: searchData.invalidTerm,
           searchContextEnabled: searchData.contextEnabled,
-          selected: searchData.selected
         }));
       }
     }
@@ -176,76 +174,67 @@ export default createWidget('search-menu', {
       return;
     }
 
-    if (e.which === 13 /*enter*/ && searchData.selected) {
-      searchData.selected = null;
-      $('header .results li.selected a').click();
+    if (e.which === 65 /* a */) {
+      let focused = $('header .results .search-link:focus');
+      if (focused.length === 1) {
+        if ($('#reply-control.open').length === 1) {
+          // add a link and focus composer
+
+          this.appEvents.trigger('composer:insert-text', focused[0].href, {ensureSpace: true});
+
+          e.preventDefault();
+          $('#reply-control.open textarea').focus();
+          return false;
+        }
+      }
     }
 
-    if (e.which === 38 /*arrow up*/ || e.which === 40 /*arrow down*/) {
-      this.moveSelected(e.which === 38 ? -1 : 1);
+    const up = e.which === 38;
+    const down = e.which === 40;
+    if (up || down) {
 
-      this.scheduleRerender();
+      let focused = $('header .panel-body *:focus')[0];
 
-      Em.run.next(()=>{
-          if (searchData.selected) {
+      if (!focused) {
+        return;
+      }
 
-            // so we do not clear selected
-            $('header .results li').off('blur');
+      let links = $('header .panel-body .results a');
+      let results = $('header .panel-body .results .search-link');
 
-            let selected = $('header .results li.selected')
-              .focus()
-              .on('blur', ()=> {
-                searchData.selected = null;
-                this.scheduleRerender();
-                selected.off('blur');
-              });
+      let prevResult;
+      let result;
 
-          } else {
-            $('#search-term').focus();
+      links.each((idx,item) => {
+        if ($(item).hasClass('search-link')) {
+          prevResult = item;
+        }
+
+        if (item === focused) {
+          result = prevResult;
         }
       });
 
+      let index = -1;
+
+      if (result) {
+        index = results.index(result);
+      }
+
+      if (index === -1 && down) {
+        $('header .panel-body .search-link:first').focus();
+      } else if (index > -1) {
+        index += (down ? 1 : -1);
+        if (index >= 0 && index < results.length) {
+          $(results[index]).focus();
+        }
+      }
+
       e.preventDefault();
       return false;
     }
   },
 
-  moveSelected(offset) {
-
-    if (offset === 1 && !searchData.selected) {
-      searchData.selected = {type: searchData.results.resultTypes[0].type, index: 0};
-      return;
-    }
-
-    if (!searchData.selected) {
-      return;
-    }
-
-    let typeIndex = _.findIndex(searchData.results.resultTypes, item => item.type === searchData.selected.type);
-
-    if (typeIndex === 0 && searchData.selected.index === 0 && offset === -1) {
-      searchData.selected = null;
-      return;
-    }
-
-    let currentResults = searchData.results.resultTypes[typeIndex].results;
-    let newPosition = searchData.selected.index + offset;
-
-    if (newPosition < currentResults.length && newPosition >= 0) {
-      searchData.selected.index = newPosition;
-    } else {
-      // possibly move to next type
-      let newTypeIndex = typeIndex + offset;
-      if (newTypeIndex >= 0 && newTypeIndex < searchData.results.resultTypes.length) {
-        newPosition = 0;
-        if (offset === -1) {
-          newPosition = searchData.results.resultTypes[newTypeIndex].results.length - 1;
-        }
-        searchData.selected = {type: searchData.results.resultTypes[newTypeIndex].type, index: newPosition};
-      }
-    }
-  },
-
   triggerSearch() {
     searchData.noResults = false;
     this.searchService().set('highlightTerm', searchData.term);

app/assets/stylesheets/common/base/menu-panel.scss

@@ -149,12 +149,6 @@
     text-align: center;
   }
 
-  li.selected {
-    background-color: $highlight-medium;
-  }
-  li:focus {
-    outline: none;
-  }
   .filter {
     padding: 0;
     &:hover {background: transparent;}