[ADF-858] added multiple attribute to upload widget (#2064)

ng2-components/ng2-activiti-form/src/components/widgets/upload/upload.widget.html

@@ -7,6 +7,7 @@
         <input *ngIf="!hasFile"
                #file
                type="file"
+               [multiple]="multipleOption"
                [attr.id]="field.id"
                [disabled]="field.readOnly"
                class="upload-widget__file"

ng2-components/ng2-activiti-form/src/components/widgets/upload/upload.widget.spec.ts

@@ -120,13 +120,12 @@ describe('UploadWidget', () => {
                 type: FormFieldTypes.UPLOAD,
                 readOnly: false
             });
-
-            fixture.detectChanges();
-            inputElement = <HTMLInputElement>element.querySelector('#upload-id');
         });
 
         it('should be disabled on readonly forms', async(() => {
             uploadWidget.field.form.readOnly = true;
+            fixture.detectChanges();
+            inputElement = <HTMLInputElement>element.querySelector('#upload-id');
 
             fixture.whenStable().then(() => {
                 fixture.detectChanges();
@@ -136,6 +135,32 @@ describe('UploadWidget', () => {
             });
         }));
 
+        it('should have the multiple attribute when is selected in parameters', async(() => {
+            uploadWidget.field.params.multiple = true;
+            fixture.detectChanges();
+            inputElement = <HTMLInputElement>element.querySelector('#upload-id');
+
+            fixture.whenStable().then(() => {
+                fixture.detectChanges();
+                expect(inputElement).toBeDefined();
+                expect(inputElement).not.toBeNull();
+                expect(inputElement.getAttributeNode('multiple')).toBeTruthy();
+            });
+        }));
+
+        it('should not have the multiple attribute if multiple is false', async(() => {
+            uploadWidget.field.params.multiple = false;
+            fixture.detectChanges();
+            inputElement = <HTMLInputElement>element.querySelector('#upload-id');
+
+            fixture.whenStable().then(() => {
+                fixture.detectChanges();
+                expect(inputElement).toBeDefined();
+                expect(inputElement).not.toBeNull();
+                expect(inputElement.getAttributeNode('multiple')).toBeFalsy();
+            });
+        }));
+
     });
 
 });

ng2-components/ng2-activiti-form/src/components/widgets/upload/upload.widget.ts

@@ -18,7 +18,7 @@
 import { Component, OnInit } from '@angular/core';
 import { LogService } from 'ng2-alfresco-core';
 import { FormService } from '../../../services/form.service';
-import { baseHost , WidgetComponent } from './../widget.component';
+import { baseHost, WidgetComponent } from './../widget.component';
 
 @Component({
     selector: 'upload-widget',
@@ -31,10 +31,11 @@ export class UploadWidget extends WidgetComponent implements OnInit {
     hasFile: boolean;
     fileName: string;
     displayText: string;
+    multipleOption: string = '';
 
     constructor(public formService: FormService,
                 private logService: LogService) {
-         super(formService);
+        super(formService);
     }
 
     ngOnInit() {
@@ -46,6 +47,7 @@ export class UploadWidget extends WidgetComponent implements OnInit {
             this.fileName = file.name;
             this.displayText = decodeURI(file.name);
         }
+        this.getMultipleFileParam();
     }
 
     reset() {
@@ -74,4 +76,12 @@ export class UploadWidget extends WidgetComponent implements OnInit {
         }
     }
 
+    private getMultipleFileParam() {
+        if (this.field &&
+            this.field.params &&
+            this.field.params.multiple) {
+            this.multipleOption = this.field.params.multiple ? 'multiple' : '';
+        }
+    }
+
 }