Issue bleenco#117 (bleenco#118)

* Issue bleenco#117

* single quotes + style

src/directives/ng-file-drop.ts

@@ -6,7 +6,7 @@ import {
   Output,
   HostListener
 } from '@angular/core';
-import {Ng2Uploader} from '../services/ng2-uploader';
+import { Ng2Uploader, UploadRejected } from '../services/ng2-uploader';
 
 @Directive({
   selector: '[ngFileDrop]'
@@ -17,6 +17,7 @@ export class NgFileDropDirective {
   @Output() onUpload: EventEmitter<any> = new EventEmitter();
   @Output() onPreviewData: EventEmitter<any> = new EventEmitter();
   @Output() onFileOver:EventEmitter<any> = new EventEmitter();
+  @Output() onUploadRejected: EventEmitter<UploadRejected> = new EventEmitter<UploadRejected>();
 
    _options:any;
 
@@ -96,6 +97,8 @@ export class NgFileDropDirective {
         return true;
       }
 
+      this.onUploadRejected.emit({file: f, reason: UploadRejected.EXTENSION_NOT_ALLOWED});
+
       return false;
     });
   }

src/directives/ng-file-select.ts

@@ -6,7 +6,7 @@ import {
   Output,
   HostListener
 } from '@angular/core';
-import { Ng2Uploader } from '../services/ng2-uploader';
+import { Ng2Uploader, UploadRejected } from '../services/ng2-uploader';
 
 @Directive({
   selector: '[ngFileSelect]'
@@ -16,6 +16,7 @@ export class NgFileSelectDirective {
   @Input() events: EventEmitter<any>;
   @Output() onUpload: EventEmitter<any> = new EventEmitter();
   @Output() onPreviewData: EventEmitter<any> = new EventEmitter();
+  @Output() onUploadRejected: EventEmitter<UploadRejected> = new EventEmitter<UploadRejected>();
 
   _options:any;
 
@@ -74,6 +75,8 @@ export class NgFileSelectDirective {
         return true;
       }
 
+      this.onUploadRejected.emit({file: f, reason: UploadRejected.EXTENSION_NOT_ALLOWED});
+
       return false;
     });
   }

src/services/ng2-uploader.ts

@@ -256,6 +256,14 @@ export class Ng2Uploader {
   }
 }
 
+export class UploadRejected {
+  public static get EXTENSION_NOT_ALLOWED():string { return 'ExtensionNotAllowed'; }
+  public static get MAX_SIZE_EXCEEDED():string { return 'MaxSizeExceeded'; }
+
+  file: any;
+  reason: string; 
+}
+
 function humanizeBytes(bytes: number): string {
   if (bytes === 0) {
     return '0 Byte';