本文整理汇总了TypeScript中@angular/forms.FormControl类的典型用法代码示例。如果您正苦于以下问题：TypeScript FormControl类的具体用法？TypeScript FormControl怎么用？TypeScript FormControl使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了FormControl类的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: describe
describe('reset()', () => {
let c: FormControl;
beforeEach(() => { c = new FormControl('initial value'); });
it('should reset to a specific value if passed', () => {
c.setValue('new value');
expect(c.value).toBe('new value');
c.reset('initial value');
expect(c.value).toBe('initial value');
});
it('should not set the parent when explicitly specified', () => {
const g = new FormGroup({'one': c});
c.patchValue('newValue', {onlySelf: true});
expect(g.value).toEqual({'one': 'initial value'});
});
it('should reset to a specific value if passed with boxed value', () => {
c.setValue('new value');
expect(c.value).toBe('new value');
c.reset({value: 'initial value', disabled: false});
expect(c.value).toBe('initial value');
});
it('should clear the control value if no value is passed', () => {
c.setValue('new value');
expect(c.value).toBe('new value');
c.reset();
expect(c.value).toBe(null);
});
it('should update the value of any parent controls with passed value', () => {
const g = new FormGroup({'one': c});
c.setValue('new value');
expect(g.value).toEqual({'one': 'new value'});
c.reset('initial value');
expect(g.value).toEqual({'one': 'initial value'});
});
it('should update the value of any parent controls with null value', () => {
const g = new FormGroup({'one': c});
c.setValue('new value');
expect(g.value).toEqual({'one': 'new value'});
c.reset();
expect(g.value).toEqual({'one': null});
});
it('should mark the control as pristine', () => {
c.markAsDirty();
expect(c.pristine).toBe(false);
c.reset();
expect(c.pristine).toBe(true);
});
it('should set the parent pristine state if all pristine', () => {
const g = new FormGroup({'one': c});
c.markAsDirty();
expect(g.pristine).toBe(false);
c.reset();
expect(g.pristine).toBe(true);
});
it('should not set the parent pristine state if it has other dirty controls', () => {
const c2 = new FormControl('two');
const g = new FormGroup({'one': c, 'two': c2});
c.markAsDirty();
c2.markAsDirty();
c.reset();
expect(g.pristine).toBe(false);
});
it('should mark the control as untouched', () => {
c.markAsTouched();
expect(c.untouched).toBe(false);
c.reset();
expect(c.untouched).toBe(true);
});
it('should set the parent untouched state if all untouched', () => {
const g = new FormGroup({'one': c});
c.markAsTouched();
expect(g.untouched).toBe(false);
c.reset();
expect(g.untouched).toBe(true);
});
it('should not set the parent untouched state if other touched controls', () => {
const c2 = new FormControl('two');
const g = new FormGroup({'one': c, 'two': c2});
//.........这里部分代码省略.........
示例2: ngOnInit
ngOnInit() {
this.validator = equalTo(this.equalTo);
}示例3: it
it('should not set the parent when explicitly specified', () => {
c.patchValue('newValue', {onlySelf: true});
expect(g.value).toEqual({'one': 'oldValue'});
});示例4: it
it('should unset error when values are equal', () => {
y.setErrors({ match: true });
CdValidators.match('x', 'y')(form);
formHelper.expectValid('x');
formHelper.expectValid('y');
});示例5:
ngAfterViewInit(): void {
this.control.updateValueAndValidity(this.value || undefined);
super.ngAfterViewInit();
}