Add possibility to drop files on the path bar to move them in drive

www/drive/app-drive.less

@@ -30,6 +30,7 @@
     @drive_content-bg-ro: darken(@drive_content-bg, 10%);
 
     @drive_selected-bg: #888;
+    @drive_droppable-bg: #FE9A2E;
 
 
     /* PAGE */
@@ -156,7 +157,7 @@
     }
 
     .cp-app-drive-element-droppable {
-        background-color: #FE9A2E;
+        background-color: @drive_droppable-bg;
         color: #222;
     }
 
@@ -939,6 +940,7 @@
                     overflow: hidden;
                     text-overflow: ellipsis;
                     transition: all 0.15s;
+                    cursor: pointer;
 
                     &:first-child {
                         flex-shrink: 1;
@@ -946,17 +948,20 @@
 
                     &.cp-app-drive-path-separator {
                         color: #ccc;
+                        cursor: default;
                     }
 
                     &.cp-app-drive-path-collapse {
                         position: relative;
                     }
 
-                    &:hover {
+                    &.cp-app-drive-element-droppable {
+                        background-color: @drive_droppable-bg;
+                    }
+                    &:not(.cp-app-drive-element-droppable):hover {
                         &:not(.cp-app-drive-path-separator) {
                             background-color: darken(@colortheme_drive-bg, 15%);
                             text-decoration: underline;
-                            cursor: pointer;
                         }
                         & ~ .cp-app-drive-path-element {
                             background-color: darken(@colortheme_drive-bg, 15%);

www/drive/inner.js

@@ -1530,7 +1530,13 @@ define([
 
         var findDropPath = function (target) {
             var $target = $(target);
-            var $el = findDataHolder($target);
+            var $el;
+            if ($target.is(".cp-app-drive-path-element")) {
+                $el = $target;
+            }
+            else {
+                $el = findDataHolder($target);
+            }
             var newPath = $el.data('path');
             var dropEl = newPath && manager.find(newPath);
             if (newPath && manager.isSharedFolder(dropEl)) {
@@ -1975,6 +1981,8 @@ define([
                 } else if (idx > 0 && manager.isFile(el)) {
                     name = getElementName(path);
                 }
+                $span.data("path", path.slice(0, idx + 1));
+                addDragAndDropHandlers($span, path.slice(0, idx), true, true);
 
                 if (idx === 0) { name = p === SHARED_FOLDER ? name : getPrettyName(p); }
                 else {