* fix upload dnd not work in ie.

src/js/uploader.js

@@ -211,9 +211,15 @@
             $this.addClass('file-dragable');
         });
         $dropElement.on('dragleave.' + NAME + ' drop.' + NAME, function(e) {
-            $this.removeClass('file-drag-enter');
+            $this.removeClass('file-drag-enter').removeClass('file-dragable');
+            e.preventDefault();
+            e.stopPropagation();
         }).on('dragover.' + NAME + ' dragenter.' + NAME, function(e) {
             $this.addClass('file-drag-enter');
+        }).on('dragdrop.' + NAME + ' dragenter.' + NAME, function(e) {
+            $this.removeClass('file-drag-enter').removeClass('file-dragable');
+            e.preventDefault();
+            e.stopPropagation();
         });
 
         $list.on('click.' + NAME, '.btn-delete-file', function() {
@@ -900,4 +906,3 @@
         $('[data-ride="uploader"]').uploader();
     });
 }(jQuery, window, plupload, moxie, undefined));
-

src/less/views/uploader.less

@@ -28,6 +28,7 @@
 .file-dragable {position: relative}
 [data-drop-placeholder]:before {
   content: attr(data-drop-placeholder);
+  display: block;
   display: flex;
   align-items: center;
   justify-content: center;
@@ -38,7 +39,7 @@
   height: 100%;
   border: 2px dashed @color-warning;
   background-color: fade(@color-warning-pale, 50%);
-  z-index: 10;
+  z-index: 100;
   font-size: 16px;
   transition: all @animation-speed-fast;
   text-align: center;
@@ -52,11 +53,15 @@
 .file-dragable[data-drop-placeholder]:before {
   .opacity(1);
   transform: scale(1);
+  .ie & {display: block!important; display: flex!important}
 }
 .file-drag-enter[data-drop-placeholder]:before {
   border-style: solid;
   background-color: @color-warning-pale;
 }
+.ie .file-drag-enter.file-dragable > .uploader-message {
+  pointer-events: none;
+}
 
 
 // File list