feat: open file option on preview

frontend/src/css/styles.css

@@ -205,6 +205,34 @@ main .spinner .bounce2 {
   height: 100%;
 }
 
+#previewer .preview .info {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  font-size: 1.5em;
+  color: #fff;
+}
+#previewer .preview .info .title {
+  margin-bottom: 1em;
+}
+#previewer .preview .info .title i {
+  display: block;
+  margin-bottom: .1em;
+  font-size: 4em;
+}
+#previewer .preview .info .button {
+  display: inline-block;
+}
+#previewer .preview .info .button:hover {
+  background-color: rgba(255, 255, 255, 0.2)
+}
+#previewer .preview .info .button i {
+  display: block;
+  margin-bottom: 4px;
+  font-size: 1.3em;
+}
+
 #previewer .pdf {
   width: 100%;
   height: 100%;

frontend/src/i18n/en.json

@@ -63,7 +63,8 @@
     "size": "Size",
     "sortByLastModified": "Sort by last modified",
     "sortByName": "Sort by name",
-    "sortBySize": "Sort by size"
+    "sortBySize": "Sort by size",
+    "noPreview": "Preview is not available for this file."
   },
   "help": {
     "click": "select file or directory",

frontend/src/views/files/Preview.vue

@@ -89,12 +89,31 @@
           class="pdf"
           :data="raw"
         ></object>
-        <a v-else-if="req.type == 'blob'" :href="downloadUrl">
-          <h2 class="message">
-            {{ $t("buttons.download") }}
-            <i class="material-icons">file_download</i>
-          </h2>
-        </a>
+        <div v-else-if="req.type == 'blob'" class="info">
+          <div class="title">
+            <i class="material-icons">feedback</i>
+            {{ $t("files.noPreview") }}
+          </div>
+          <div>
+            <a target="_blank" :href="downloadUrl" class="button button--flat">
+              <div>
+                <i class="material-icons">file_download</i
+                >{{ $t("buttons.download") }}
+              </div>
+            </a>
+            <a
+              target="_blank"
+              :href="downloadUrl + '&inline=true'"
+              class="button button--flat"
+              v-if="!req.isDir"
+            >
+              <div>
+                <i class="material-icons">open_in_new</i
+                >{{ $t("buttons.openFile") }}
+              </div>
+            </a>
+          </div>
+        </div>
       </div>
     </template>