[ADF-147] Add input mask to Text Widget on Form (#1885)

* ADF-147 create directive to apply input mask
* ADF-147 - created directive for calculate input mask
* ADF-147 added input mask for text element

ng2-components/ng2-activiti-form/index.ts

@@ -30,7 +30,7 @@ import { WidgetVisibilityService } from './src/services/widget-visibility.servic
 import { ActivitiAlfrescoContentService } from './src/services/activiti-alfresco.service';
 import { FormRenderingService } from './src/services/form-rendering.service';
 import { HttpModule } from '@angular/http';
-import { WIDGET_DIRECTIVES } from './src/components/widgets/index';
+import { WIDGET_DIRECTIVES, MASK_DIRECTIVE } from './src/components/widgets/index';
 
 export * from './src/components/activiti-form.component';
 export * from './src/components/activiti-content.component';
@@ -67,7 +67,8 @@ export const ACTIVITI_FORM_PROVIDERS: any[] = [
         HttpModule
     ],
     declarations: [
-        ...ACTIVITI_FORM_DIRECTIVES
+        ...ACTIVITI_FORM_DIRECTIVES,
+        ...MASK_DIRECTIVE
     ],
     entryComponents: [
         ...WIDGET_DIRECTIVES

ng2-components/ng2-activiti-form/package.json

@@ -42,7 +42,6 @@
     "@angular/platform-browser": "~4.0.0",
     "@angular/platform-browser-dynamic": "~4.0.0",
     "@angular/router": "~4.0.0",
-
     "@angular/material": "2.0.0-beta.1",
     "alfresco-js-api": "~1.4.0",
     "core-js": "2.4.1",

ng2-components/ng2-activiti-form/src/components/activiti-start-form.component.spec.ts

@@ -23,6 +23,7 @@ import { ActivitiStartForm } from './activiti-start-form.component';
 import { FormFieldComponent } from './form-field/form-field.component';
 import { ActivitiContent } from './activiti-content.component';
 import { WIDGET_DIRECTIVES } from './widgets/index';
+import { MASK_DIRECTIVE } from './widgets/index';
 import { FormService } from './../services/form.service';
 import { EcmModelService } from './../services/ecm-model.service';
 import { WidgetVisibilityService } from './../services/widget-visibility.service';
@@ -47,7 +48,8 @@ describe('ActivitiStartForm', () => {
                 ActivitiStartForm,
                 FormFieldComponent,
                 ActivitiContent,
-                ...WIDGET_DIRECTIVES
+                ...WIDGET_DIRECTIVES,
+                ...MASK_DIRECTIVE
             ],
             providers: [
                 { provide: AlfrescoTranslationService, useClass: TranslationMock },

ng2-components/ng2-activiti-form/src/components/form-field/form-field.component.spec.ts

@@ -21,6 +21,7 @@ import { FormFieldComponent } from './form-field.component';
 import { FormRenderingService } from './../../services/form-rendering.service';
 import { FormModel, FormFieldModel, FormFieldTypes } from './../widgets/core/index';
 import { TextWidget } from './../widgets/text/text.widget';
+import { InputMaskDirective } from './../widgets/text/text-mask.component';
 import { CheckboxWidget } from './../widgets/checkbox/checkbox.widget';
 import { WidgetVisibilityService } from './../../services/widget-visibility.service';
 
@@ -36,7 +37,7 @@ describe('FormFieldComponent', () => {
     beforeEach(async(() => {
         TestBed.configureTestingModule({
                 imports: [CoreModule],
-                declarations: [FormFieldComponent, TextWidget, CheckboxWidget],
+                declarations: [FormFieldComponent, TextWidget, CheckboxWidget, InputMaskDirective],
                 providers: [
                     FormRenderingService,
                     WidgetVisibilityService

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

@@ -23,6 +23,7 @@ import { FormFieldModel } from './../core/form-field.model';
 import { ComponentFixture, TestBed, async } from '@angular/core/testing';
 import { CoreModule } from 'ng2-alfresco-core';
 import { WIDGET_DIRECTIVES } from '../index';
+import { MASK_DIRECTIVE } from '../index';
 import { FormFieldComponent } from './../../form-field/form-field.component';
 import { ActivitiContent } from './../../activiti-content.component';
 import { fakeFormJson } from '../../../services/assets/widget-visibility.service.mock';
@@ -133,7 +134,7 @@ describe('ContainerWidget', () => {
         beforeEach(async(() => {
             TestBed.configureTestingModule({
                 imports: [CoreModule],
-                declarations: [FormFieldComponent, ActivitiContent, WIDGET_DIRECTIVES]
+                declarations: [FormFieldComponent, ActivitiContent, WIDGET_DIRECTIVES, MASK_DIRECTIVE]
             }).compileComponents().then(() => {
                 fixture = TestBed.createComponent(ContainerWidget);
                 containerWidgetComponent = fixture.componentInstance;

ng2-components/ng2-activiti-form/src/components/widgets/index.ts

@@ -41,6 +41,7 @@ import { DropdownEditorComponent } from './dynamic-table/editors/dropdown/dropdo
 import { BooleanEditorComponent } from './dynamic-table/editors/boolean/boolean.editor';
 import { TextEditorComponent } from './dynamic-table/editors/text/text.editor';
 import { RowEditorComponent } from './dynamic-table/editors/row.editor';
+import { InputMaskDirective } from './text/text-mask.component';
 
 // core
 export * from './widget.component';
@@ -76,6 +77,7 @@ export * from './dynamic-table/editors/date/date.editor';
 export * from './dynamic-table/editors/dropdown/dropdown.editor';
 export * from './dynamic-table/editors/boolean/boolean.editor';
 export * from './dynamic-table/editors/text/text.editor';
+export * from './text/text-mask.component';
 
 export const WIDGET_DIRECTIVES: any[] = [
     UnknownWidget,
@@ -105,3 +107,7 @@ export const WIDGET_DIRECTIVES: any[] = [
     TextEditorComponent,
     RowEditorComponent
 ];
+
+export const MASK_DIRECTIVE: any[] = [
+    InputMaskDirective
+];

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

@@ -22,6 +22,7 @@ import { fakeFormJson } from '../../../services/assets/widget-visibility.service
 import { TabsWidget } from './tabs.widget';
 import { TabModel } from '../core/tab.model';
 import { WIDGET_DIRECTIVES } from '../index';
+import { MASK_DIRECTIVE } from '../index';
 import { FormFieldComponent } from './../../form-field/form-field.component';
 import { ActivitiContent } from './../../activiti-content.component';
 import { CoreModule } from 'ng2-alfresco-core';
@@ -104,7 +105,7 @@ describe('TabsWidget', () => {
         beforeEach(async(() => {
             TestBed.configureTestingModule({
                 imports: [CoreModule],
-                declarations: [FormFieldComponent, ActivitiContent, WIDGET_DIRECTIVES]
+                declarations: [FormFieldComponent, ActivitiContent, WIDGET_DIRECTIVES, MASK_DIRECTIVE]
             }).compileComponents().then(() => {
                 fixture = TestBed.createComponent(TabsWidget);
                 tabWidgetComponent = fixture.componentInstance;

ng2-components/ng2-activiti-form/src/components/widgets/text/text-mask.component.ts

@@ -0,0 +1,223 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {
+    Directive,
+    ElementRef,
+    Renderer,
+    HostListener,
+    Input,
+    OnChanges,
+    SimpleChanges,
+    forwardRef
+} from '@angular/core';
+import { NG_VALUE_ACCESSOR, ControlValueAccessor } from '@angular/forms';
+
+export const CUSTOM_INPUT_CONTROL_VALUE_ACCESSOR: any = {
+    provide: NG_VALUE_ACCESSOR,
+    useExisting: forwardRef(() => InputMaskDirective),
+    multi: true
+};
+
+@Directive({
+    selector: '[textMask]',
+    providers: [CUSTOM_INPUT_CONTROL_VALUE_ACCESSOR]
+})
+export class InputMaskDirective implements OnChanges, ControlValueAccessor {
+
+    @Input('textMask') inputMask: {
+        mask: '',
+        isReversed: false
+    };
+
+    private translationMask = {
+        '0': { pattern: /\d/ },
+        '9': { pattern: /\d/, optional: true },
+        '#': { pattern: /\d/, recursive: true },
+        'A': { pattern: /[a-zA-Z0-9]/ },
+        'S': { pattern: /[a-zA-Z]/ }
+    };
+
+    private byPassKeys = [9, 16, 17, 18, 36, 37, 38, 39, 40, 91];
+    private value;
+    private invalidCharacters = [];
+
+    constructor(private el: ElementRef, private render: Renderer) {
+    }
+
+    _onChange = (_: any) => {
+    }
+
+    _onTouched = () => {
+    }
+
+    @HostListener('input', ['$event'])
+    @HostListener('keyup', ['$event']) onTextInput(event: KeyboardEvent) {
+        if (this.inputMask && this.inputMask.mask) {
+            this.maskValue(this.el.nativeElement.value, this.el.nativeElement.selectionStart,
+                this.inputMask.mask, this.inputMask.isReversed, event.keyCode);
+        }
+    }
+
+    ngOnChanges(changes: SimpleChanges) {
+        if (changes['inputMask'] && changes['inputMask'].currentValue['mask']) {
+            this.inputMask = changes['inputMask'].currentValue;
+        }
+    }
+
+    writeValue(value: any) {
+        this.el.nativeElement.value = value;
+    }
+
+    registerOnChange(fn: any) {
+        this._onChange = fn;
+    }
+
+    registerOnTouched(fn: () => any): void {
+        this._onTouched = fn;
+    }
+
+    private maskValue(actualValue, startCaret, maskToApply, isMaskReversed, keyCode) {
+        if (this.byPassKeys.indexOf(keyCode) === -1) {
+            let value = this.getMasked(false, actualValue, maskToApply, isMaskReversed);
+            let calculatedCaret = this.calculateCaretPosition(startCaret, actualValue, keyCode);
+            this.render.setElementAttribute(this.el.nativeElement, 'value', value);
+            this.el.nativeElement.value = value;
+            this.setValue(value);
+            this._onChange(value);
+            this.setCaretPosition(calculatedCaret);
+        }
+    }
+
+    private setCaretPosition(caretPosition) {
+        this.el.nativeElement.moveStart = caretPosition;
+        this.el.nativeElement.moveEnd = caretPosition;
+    }
+
+    calculateCaretPosition(caretPosition, newValue, keyCode) {
+        let newValueLength = newValue.length;
+        let oldValue = this.getValue() || '';
+        let oldValueLength = oldValue.length;
+
+        if (keyCode === 8 && oldValue !== newValue) {
+            caretPosition = caretPosition - (newValue.slice(0, caretPosition).length - oldValue.slice(0, caretPosition).length);
+        } else if (oldValue !== newValue) {
+            if (caretPosition >= oldValueLength) {
+                caretPosition = newValueLength;
+            } else {
+                caretPosition = caretPosition + (newValue.slice(0, caretPosition).length - oldValue.slice(0, caretPosition).length);
+            }
+        }
+        return caretPosition;
+    }
+
+    getMasked(skipMaskChars, val, mask, isReversed = false) {
+        let buf = [],
+            value = val,
+            maskIndex = 0,
+            maskLen = mask.length,
+            valueIndex = 0,
+            valueLength = value.length,
+            offset = 1,
+            addMethod = 'push',
+            resetPos = -1,
+            lastMaskChar,
+            lastUntranslatedMaskChar,
+            check;
+
+        if (isReversed) {
+            addMethod = 'unshift';
+            offset = -1;
+            lastMaskChar = 0;
+            maskIndex = maskLen - 1;
+            valueIndex = valueLength - 1;
+        } else {
+            lastMaskChar = maskLen - 1;
+        }
+        check = this.isToCheck(isReversed, maskIndex, maskLen, valueIndex, valueLength);
+        while (check) {
+            let maskDigit = mask.charAt(maskIndex),
+                valDigit = value.charAt(valueIndex),
+                translation = this.translationMask[maskDigit];
+
+            if (translation) {
+                if (valDigit.match(translation.pattern)) {
+                    buf[addMethod](valDigit);
+                    if (translation.recursive) {
+                        if (resetPos === -1) {
+                            resetPos = maskIndex;
+                        } else if (maskIndex === lastMaskChar) {
+                            maskIndex = resetPos - offset;
+                        }
+                        if (lastMaskChar === resetPos) {
+                            maskIndex -= offset;
+                        }
+                    }
+                    maskIndex += offset;
+                } else if (valDigit === lastUntranslatedMaskChar) {
+                    lastUntranslatedMaskChar = undefined;
+                } else if (translation.optional) {
+                    maskIndex += offset;
+                    valueIndex -= offset;
+                } else {
+                    this.invalidCharacters.push({
+                        index: valueIndex,
+                        digit: valDigit,
+                        translated: translation.pattern
+                    });
+                }
+                valueIndex += offset;
+            } else {
+                if (!skipMaskChars) {
+                    buf[addMethod](maskDigit);
+                }
+                if (valDigit === maskDigit) {
+                    valueIndex += offset;
+                } else {
+                    lastUntranslatedMaskChar = maskDigit;
+                }
+                maskIndex += offset;
+            }
+            check = this.isToCheck(isReversed, maskIndex, maskLen, valueIndex, valueLength);
+        }
+
+        let lastMaskCharDigit = mask.charAt(lastMaskChar);
+        if (maskLen === valueLength + 1 && !this.translationMask[lastMaskCharDigit]) {
+            buf.push(lastMaskCharDigit);
+        }
+
+        return buf.join('');
+    }
+
+    private isToCheck(isReversed, maskIndex, maskLen, valueIndex, valueLength) {
+        let check = false;
+        if (isReversed) {
+            check = (maskIndex > -1) && (valueIndex > -1);
+        } else {
+            check = (maskIndex < maskLen) && (valueIndex < valueLength);
+        }
+        return check;
+    }
+
+    private setValue(value) {
+        this.value = value;
+    }
+
+    private getValue() {
+        return this.value;
+    }
+}

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

@@ -9,6 +9,7 @@
            [(ngModel)]="field.value"
            (ngModelChange)="onFieldChanged(field)"
            [disabled]="field.readOnly"
+           [textMask]="{mask: mask, isReversed: isMaskReversed}"
            placeholder="{{field.placeholder}}">
     <span *ngIf="field.validationSummary" class="mdl-textfield__error">{{field.validationSummary}}</span>
 </div>

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

@@ -16,6 +16,12 @@
  */
 
 import { TextWidget } from './text.widget';
+import { ComponentFixture, TestBed, async } from '@angular/core/testing';
+import { CoreModule } from 'ng2-alfresco-core';
+import { InputMaskDirective } from './text-mask.component';
+import { FormFieldModel } from '../core/form-field.model';
+import { FormModel } from '../core/form.model';
+import { FormFieldTypes } from '../core/form-field-types';
 
 describe('TextWidget', () => {
 
@@ -32,4 +38,160 @@ describe('TextWidget', () => {
         window['componentHandler'] = componentHandler;
     });
 
+    describe('when template is ready', () => {
+        let textWidget: TextWidget;
+        let fixture: ComponentFixture<TextWidget>;
+        let element: HTMLInputElement;
+        let componentHandler;
+
+        beforeEach(async(() => {
+            componentHandler = jasmine.createSpyObj('componentHandler', ['upgradeAllRegistered', 'upgradeElement']);
+            window['componentHandler'] = componentHandler;
+        }));
+
+        beforeEach(async(() => {
+            TestBed.configureTestingModule({
+                imports: [CoreModule],
+                declarations: [TextWidget, InputMaskDirective]
+            }).compileComponents().then(() => {
+                fixture = TestBed.createComponent(TextWidget);
+                textWidget = fixture.componentInstance;
+                element = fixture.nativeElement;
+            });
+        }));
+
+        afterEach(() => {
+            fixture.destroy();
+            TestBed.resetTestingModule();
+        });
+
+        describe('and mask is configured on text element', () => {
+
+            let inputElement: HTMLInputElement;
+
+            beforeEach(() => {
+                textWidget.field = new FormFieldModel(new FormModel({ taskId: 'fake-task-id' }), {
+                    id: 'text-id',
+                    name: 'text-name',
+                    value: '',
+                    params: { inputMask: '##-##0,00%' },
+                    type: FormFieldTypes.TEXT,
+                    readOnly: false
+                });
+
+                fixture.detectChanges();
+                inputElement = <HTMLInputElement>element.querySelector('#text-id');
+            });
+
+            it('should show text widget', () => {
+                expect(element.querySelector('#text-id')).toBeDefined();
+                expect(element.querySelector('#text-id')).not.toBeNull();
+            });
+
+            it('should prevent text to be written if is not allowed by the mask on keyUp event', async(() => {
+                expect(element.querySelector('#text-id')).not.toBeNull();
+
+                inputElement.value = 'F';
+                textWidget.field.value = 'F';
+                let event: any = new Event('keyup');
+                event.keyCode = '70';
+                inputElement.dispatchEvent(event);
+                fixture.detectChanges();
+
+                fixture.whenStable().then(() => {
+                    fixture.detectChanges();
+                    inputElement = <HTMLInputElement>element.querySelector('#text-id');
+                    expect(inputElement.value).toBe('');
+                });
+            }));
+
+            it('should prevent text to be written if is not allowed by the mask on input event', async(() => {
+                expect(element.querySelector('#text-id')).not.toBeNull();
+
+                inputElement.value = 'F';
+                textWidget.field.value = 'F';
+                inputElement.dispatchEvent(new Event('input'));
+                fixture.detectChanges();
+
+                fixture.whenStable().then(() => {
+                    fixture.detectChanges();
+                    inputElement = <HTMLInputElement>element.querySelector('#text-id');
+                    expect(inputElement.value).toBe('');
+                });
+            }));
+
+            it('should allow masked configured value on keyUp event', async(() => {
+                expect(element.querySelector('#text-id')).not.toBeNull();
+
+                inputElement.value = '1';
+                textWidget.field.value = '1';
+                let event: any = new Event('keyup');
+                event.keyCode = '49';
+                inputElement.dispatchEvent(event);
+
+                fixture.whenStable().then(() => {
+                    fixture.detectChanges();
+                    let inputElement: HTMLInputElement = <HTMLInputElement>element.querySelector('#text-id');
+                    expect(inputElement.value).toBe('1');
+                });
+            }));
+
+            it('should autofill masked configured value on keyUp event', async(() => {
+                expect(element.querySelector('#text-id')).not.toBeNull();
+
+                inputElement.value = '12345678';
+                textWidget.field.value = '12345678';
+                let event: any = new Event('keyup');
+                event.keyCode = '49';
+                inputElement.dispatchEvent(event);
+
+                fixture.whenStable().then(() => {
+                    fixture.detectChanges();
+                    let inputElement: HTMLInputElement = <HTMLInputElement>element.querySelector('#text-id');
+                    expect(inputElement.value).toBe('12-345,67%');
+                });
+            }));
+        });
+
+        describe('when the mask is reversed ', () => {
+
+            let inputElement: HTMLInputElement;
+
+            beforeEach(() => {
+                textWidget.field = new FormFieldModel(new FormModel({ taskId: 'fake-task-id' }), {
+                    id: 'text-id',
+                    name: 'text-name',
+                    value: '',
+                    params: { existingColspan: 1, maxColspan: 2, inputMask: "#.##0,00%", inputMaskReversed: true },
+                    type: FormFieldTypes.TEXT,
+                    readOnly: false
+                });
+
+                fixture.detectChanges();
+                inputElement = <HTMLInputElement>element.querySelector('#text-id');
+            });
+
+            afterEach(() => {
+                fixture.destroy();
+                TestBed.resetTestingModule();
+            });
+
+            it('should be able to apply the mask reversed', async(() => {
+                expect(element.querySelector('#text-id')).not.toBeNull();
+
+                inputElement.value = '1234';
+                textWidget.field.value = '1234';
+                let event: any = new Event('keyup');
+                event.keyCode = '49';
+                inputElement.dispatchEvent(event);
+
+                fixture.whenStable().then(() => {
+                    fixture.detectChanges();
+                    let inputElement: HTMLInputElement = <HTMLInputElement>element.querySelector('#text-id');
+                    expect(inputElement.value).toBe('12,34%');
+                });
+            }));
+        });
+    });
+
 });

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

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-import { Component } from '@angular/core';
+import { Component, OnInit } from '@angular/core';
 import { WidgetComponent } from './../widget.component';
 
 @Component({
@@ -23,5 +23,15 @@ import { WidgetComponent } from './../widget.component';
     templateUrl: './text.widget.html',
     styleUrls: ['./text.widget.css']
 })
-export class TextWidget extends WidgetComponent {
+export class TextWidget extends WidgetComponent implements OnInit {
+
+    private mask;
+    private isMaskReversed;
+
+    ngOnInit() {
+        if (this.field.params && this.field.params['inputMask']) {
+            this.mask = this.field.params['inputMask'];
+            this.isMaskReversed = this.field.params['inputMaskReversed'] ? this.field.params['inputMaskReversed'] : false;
+        }
+    }
 }