Add file preview

app/css/style.css

@@ -33,3 +33,7 @@ pre {
 .hand {
     cursor: hand;
 }
+
+th {
+    vertical-align: middle !important;
+}
\ No newline at end of file

app/index.html

@@ -138,8 +138,7 @@
                         </tr>
                         <tr v-for="entry in entries" v-on:click="open(entry)" class="hand">
                             <th>
-                                <i class="fa fa-folder-o" v-show="entry.isDirectory"></i>
-                                <i class="fa fa-file-o" v-show="entry.isFile"></i>
+                                <img v-bind:src="entry.previewUrl" height="48px" width="48px"/>
                             </th>
                             <th>{{ entry.filePath }}</th>
                             <th>{{ entry.size }}</th>

app/js/app.js

@@ -43,6 +43,27 @@ function encode(filePath) {
     return filePath.split('/').map(encodeURIComponent).join('/');
 }
 
+var mimeTypes = {
+    images: [ '.png', '.jpg', '.jpeg', '.tiff', '.gif' ],
+    text: [ '.txt', '.md' ],
+    pdf: [ '.pdf' ],
+    html: [ '.html', '.htm', '.php' ],
+    video: [ '.mp4', '.mpg', '.mpeg', '.ogg', '.mkv' ]
+};
+
+function getPreviewUrl(entry, basePath) {
+    var path = '/_admin/img/';
+
+    if (entry.isDirectory) return path + 'directory.png';
+    if (mimeTypes.images.some(function (e) { return entry.filePath.endsWith(e); })) return sanitize(basePath + '/' + entry.filePath);
+    if (mimeTypes.text.some(function (e) { return entry.filePath.endsWith(e); })) return path +'text.png';
+    if (mimeTypes.pdf.some(function (e) { return entry.filePath.endsWith(e); })) return path + 'pdf.png';
+    if (mimeTypes.html.some(function (e) { return entry.filePath.endsWith(e); })) return path + 'html.png';
+    if (mimeTypes.video.some(function (e) { return entry.filePath.endsWith(e); })) return path + 'video.png';
+
+    return path + 'unknown.png';
+}
+
 function refresh() {
     loadDirectory(app.path);
 }
@@ -60,7 +81,10 @@ function loadDirectory(filePath) {
         if (error) return console.error(error);
         if (result.statusCode === 401) return logout();
 
-        app.entries = result.body.entries;
+        app.entries = result.body.entries.map(function (entry) {
+            entry.previewUrl = getPreviewUrl(entry, filePath);
+            return entry;
+        });
         app.path = filePath;
         app.pathParts = filePath.split('/').filter(function (e) { return !!e; });