Add opening method option for custom search widget.

src/components/Widgets/CustomSearch.vue

@@ -7,7 +7,7 @@
     <div class="buttons">
       <button
         v-for="(engine, key) in engines" :key="key"
-        v-on:click="search(engine)">
+        v-on:click="search(engine, openingMethod)">
         {{ engine.title }}
       </button>
     </div>
@@ -15,7 +15,9 @@
 </template>
 
 <script>
+import router from '@/router';
 import WidgetMixin from '@/mixins/WidgetMixin';
+import ErrorHandler from '@/utils/ErrorHandler';
 
 export default {
   mixins: [WidgetMixin],
@@ -35,11 +37,28 @@ export default {
     defaultEngine() {
       return this.engines[0];
     },
+    openingMethod() {
+      return this.options.openingMethod || '';
+    },
   },
   methods: {
-    search(engine) {
+    search(engine, openingMethod) {
       if (engine !== undefined && this.query !== '') {
-        window.open(engine.url + this.query, '_blank');
+        const url = engine.url + this.query;
+        switch (openingMethod) {
+          case 'newtab':
+            window.open(url, '_blank');
+            break;
+          case 'sametab':
+            window.open(url, '_self');
+            break;
+          case 'workspace':
+            router.push({ name: 'workspace', query: { url } });
+            break;
+          default:
+            ErrorHandler(`Unknown opening method: ${openingMethod}`);
+            window.open(url, '_blank');
+        }
       }
     },
   },