asset manager added config & logic to set max file(s) size; preventing the user from exceeding their limit.

src/asset_manager/config/config.js

@@ -100,5 +100,11 @@ export default {
   modalTitle: 'Select Image',
 
   //Default placeholder for input
-  inputPlaceholder: 'http://path/to/the/image.jpg'
+  inputPlaceholder: 'http://path/to/the/image.jpg',
+
+  //Max file size which can be uploaded in KB, 0 is no limit and default
+  uploadMaxFileSize: 0,
+
+  //alert text when file size limit is reached
+  uploadMaxFileSizeAlertText: null
 };

src/asset_manager/index.js

@@ -347,6 +347,14 @@ export default () => {
      */
     onDblClick(func) {
       c.onDblClick = func;
+    },
+
+    /**
+     * Update config uploadMaxFileSize
+     * @param {int} maxKb
+     */
+    setUploadMaxFileSize(maxKb) {
+      c.uploadMaxFileSize = maxKb;
     }
   };
 };

src/asset_manager/view/FileUploader.js

@@ -115,12 +115,20 @@ export default Backbone.View.extend(
         body.append(param, params[param]);
       }
 
+      var fileSize = 0;
+
       if (this.multiUpload) {
         for (let i = 0; i < files.length; i++) {
           body.append(`${config.uploadName}[]`, files[i]);
+          fileSize += files[i].size;
         }
       } else if (files.length) {
         body.append(config.uploadName, files[0]);
+        fileSize += files[0].size;
+      }
+      if (config.uploadMaxFileSize > 0 && config.uploadMaxFileSize <= fileSize / 1024) {
+        alert(config.uploadMaxFileSizeAlertText || 'The file(s) you have selected to add exceed your space limit');
+        return;
       }
 
       var target = this.target;