Support dropping a folder for upload

[perso/Immae/Projets/Nodejs/Surfer.git] / frontend / js / app.js

diff --git a/frontend/js/app.js b/frontend/js/app.js
index b68b6089cf5963831350d3ad0aa24179c2a1e7d7..df5043a17277424e8fd193c68386a5abf07e8e22 100644 (file)
--- a/frontend/js/app.js
+++ b/frontend/js/app.js
@@ -172,7 +172,51 @@ function dragOver(event) {
 function drop(event) {
     event.stopPropagation();
     event.preventDefault();
-    uploadFiles(event.dataTransfer.files || []);
+
+    if (!event.dataTransfer.items[0]) return;
+
+    // figure if a folder was dropped on a modern browser, in this case the first would have to be a directory
+    var folderItem;
+    try {
+        folderItem = event.dataTransfer.items[0].webkitGetAsEntry();
+        if (folderItem.isFile) return uploadFiles(event.dataTransfer.files);
+    } catch (e) {
+        return uploadFiles(event.dataTransfer.files);
+    }
+
+    // if we got here we have a folder drop and a modern browser
+    // now traverse the folder tree and create a file list
+    app.uploadStatus.busy = true;
+    app.uploadStatus.uploadListCount = 0;
+
+    var fileList = [];
+    function traverseFileTree(item, path, callback) {
+        if (item.isFile) {
+            // Get file
+            item.file(function (file) {
+                fileList.push(file);
+                ++app.uploadStatus.uploadListCount;
+                callback();
+            });
+        } else if (item.isDirectory) {
+            // Get folder contents
+            var dirReader = item.createReader();
+            dirReader.readEntries(function (entries) {
+                asyncForEach(entries, function (entry, callback) {
+                    traverseFileTree(entry, path + item.name + '/', callback);
+                }, callback);
+            });
+        }
+    }
+
+    traverseFileTree(folderItem, '', function (error) {
+        app.uploadStatus.busy = false;
+        app.uploadStatus.uploadListCount = 0;
+
+        if (error) return console.error(error);
+
+        uploadFiles(fileList);
+    });
 }
 
 var app = new Vue({
@@ -184,7 +228,8 @@ var app = new Vue({
             busy: false,
             count: 0,
             done: 0,
-            percentDone: 50
+            percentDone: 50,
+            uploadListCount: 0
         },
         path: '/',
         pathParts: [],
@@ -253,10 +298,8 @@ var app = new Vue({
             var that = this;
 
             $(this.$refs.upload).on('change', function () {
-
                 // detach event handler
                 $(that.$refs.upload).off('change');
-
                 uploadFiles(that.$refs.upload.files || []);
             });
 
@@ -264,6 +307,19 @@ var app = new Vue({
             this.$refs.upload.value = '';
             this.$refs.upload.click();
         },
+        onUploadFolder: function () {
+            var that = this;
+
+            $(this.$refs.uploadFolder).on('change', function () {
+                // detach event handler
+                $(that.$refs.uploadFolder).off('change');
+                uploadFiles(that.$refs.uploadFolder.files || []);
+            });
+
+            // reset the form first to make the change handler retrigger even on the same file selected
+            this.$refs.uploadFolder.value = '';
+            this.$refs.uploadFolder.click();
+        },
         onDelete: function (entry) {
             var that = this;