1 files changed, 45 insertions, 0 deletions
diff --git a/catalog-ui/src/app/directives/file-type/file-type.ts b/catalog-ui/src/app/directives/file-type/file-type.ts
new file mode 100644
index 0000000000..11795724d0
--- /dev/null
+++ b/catalog-ui/src/app/directives/file-type/file-type.ts
@@ -0,0 +1,45 @@
+'use strict';
+
+export class FileTypeDirective implements ng.IDirective {
+
+    constructor() {
+    }
+
+    require = 'ngModel';
+
+    link = (scope, elem, attrs, ngModel) => {
+
+        let typesToApprove = "";
+
+        attrs.$observe('fileType', (val:string) => {
+            typesToApprove = val;
+            validate(ngModel.$viewValue);
+        });
+
+        let validate:Function = function (value) {
+            let fileName:string = elem.val(), valid:boolean = true;
+
+            if (fileName && value && typesToApprove) {
+                let extension:string = fileName.substring(fileName.lastIndexOf('.') + 1).toLowerCase();
+                valid = typesToApprove.split(',').indexOf(extension) > -1;
+            }
+
+            ngModel.$setValidity('filetype', valid);
+            if (!value) {
+                ngModel.$setPristine();
+            }
+            return value;
+        };
+
+        //For DOM -> model validation
+        ngModel.$parsers.unshift(validate);
+
+    };
+
+    public static factory = ()=> {
+        return new FileTypeDirective();
+    };
+
+}
+
+FileTypeDirective.factory.$inject = [];