mat-contenteditable
Version:
Angular contenteditable directive for Angular forms and Material Design
332 lines (331 loc) • 25.7 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
import { Directive, ElementRef, Renderer2, HostListener, Input, HostBinding, Optional, Self, } from '@angular/core';
import { MatFormFieldControl } from '@angular/material/form-field';
import { FormGroupDirective, NgControl, NgForm } from '@angular/forms';
import { ErrorStateMatcher, mixinErrorState } from '@angular/material/core';
import { coerceBooleanProperty } from '@angular/cdk/coercion';
import { Subject } from 'rxjs';
/**
* \@docs-private
*/
class MatInputBase {
/**
* @param {?} _defaultErrorStateMatcher
* @param {?} _parentForm
* @param {?} _parentFormGroup
* @param {?} ngControl
*/
constructor(_defaultErrorStateMatcher, _parentForm, _parentFormGroup, ngControl) {
this._defaultErrorStateMatcher = _defaultErrorStateMatcher;
this._parentForm = _parentForm;
this._parentFormGroup = _parentFormGroup;
this.ngControl = ngControl;
}
}
if (false) {
/** @type {?} */
MatInputBase.prototype._defaultErrorStateMatcher;
/** @type {?} */
MatInputBase.prototype._parentForm;
/** @type {?} */
MatInputBase.prototype._parentFormGroup;
/**
* \@docs-private
* @type {?}
*/
MatInputBase.prototype.ngControl;
}
/** @type {?} */
export const _MatInputMixinBase = mixinErrorState(MatInputBase);
export class MatContenteditableDirective extends _MatInputMixinBase {
/**
* @param {?} elementRef
* @param {?} renderer
* @param {?} ngControl
* @param {?} _parentForm
* @param {?} _parentFormGroup
* @param {?} _defaultErrorStateMatcher
*/
constructor(elementRef, renderer, ngControl, _parentForm, _parentFormGroup, _defaultErrorStateMatcher) {
super(_defaultErrorStateMatcher, _parentForm, _parentFormGroup, ngControl);
this.elementRef = elementRef;
this.renderer = renderer;
this.ngControl = ngControl;
this.stateChanges = new Subject();
this.id = `mat-input-${MatContenteditableDirective.nextId++}`;
this.focused = false;
this.contentEmpty = ['<br>', '<div><br></div>'];
this._required = false;
this._disabled = false;
this.controlType = 'mat-input';
this.describedBy = '';
this.propValueAccessor = 'innerHTML';
// Setting the value accessor directly (instead of using
// the providers) to avoid running into a circular import.
if (this.ngControl != null) {
this.ngControl.valueAccessor = this;
}
}
/**
* @return {?}
*/
get value() { return this.elementRef.nativeElement[this.propValueAccessor]; }
/**
* @param {?} value
* @return {?}
*/
set value(value) {
if (value !== this.value) {
this.elementRef.nativeElement[this.propValueAccessor] = value;
this.stateChanges.next();
}
}
/**
* @return {?}
*/
get placeholder() {
return this._placeholder;
}
/**
* @param {?} plh
* @return {?}
*/
set placeholder(plh) {
this._placeholder = plh;
this.stateChanges.next();
}
/**
* @return {?}
*/
get empty() {
return !this.value || this.contentEmpty.includes(this.value);
}
/**
* @return {?}
*/
get shouldLabelFloat() { return this.focused || !this.empty; }
/**
* @return {?}
*/
get required() {
return this._required;
}
/**
* @param {?} req
* @return {?}
*/
set required(req) {
this._required = coerceBooleanProperty(req);
this.stateChanges.next();
}
/**
* @return {?}
*/
get disabled() {
return this._disabled;
}
/**
* @param {?} dis
* @return {?}
*/
set disabled(dis) {
this._disabled = coerceBooleanProperty(dis);
this.stateChanges.next();
}
/**
* @return {?}
*/
ngDoCheck() {
if (this.ngControl) {
// We need to re-evaluate this on every change detection cycle, because there are some
// error triggers that we can't subscribe to (e.g. parent form submissions). This means
// that whatever logic is in here has to be super lean or we risk destroying the performance.
this.updateErrorState();
}
}
/**
* @return {?}
*/
callOnChange() {
if (typeof this.onChange === 'function') {
this.onChange(this.elementRef.nativeElement[this.propValueAccessor]);
}
}
/**
* @return {?}
*/
callOnFocused() {
if (this.focused !== true) {
this.focused = true;
this.stateChanges.next();
}
}
/**
* @return {?}
*/
callOnTouched() {
if (typeof this.onTouched === 'function') {
this.onTouched();
}
if (this.focused !== false) {
this.focused = false;
this.stateChanges.next();
}
}
/**
* @param {?} ids
* @return {?}
*/
setDescribedByIds(ids) {
this.describedBy = ids.join(' ');
}
/**
* @return {?}
*/
onContainerClick() { this.elementRef.nativeElement.focus(); }
/**
* Writes a new value to the element.
* This method will be called by the forms API to write
* to the view when programmatic (model -> view) changes are requested.
*
* See: [ControlValueAccessor](https://angular.io/api/forms/ControlValueAccessor#members)
* @param {?} value
* @return {?}
*/
writeValue(value) {
/** @type {?} */
const normalizedValue = value == null ? '' : value;
this.renderer.setProperty(this.elementRef.nativeElement, this.propValueAccessor, normalizedValue);
}
/**
* Registers a callback function that should be called when
* the control's value changes in the UI.
*
* This is called by the forms API on initialization so it can update
* the form model when values propagate from the view (view -> model).
* @param {?} fn
* @return {?}
*/
registerOnChange(fn) {
this.onChange = fn;
}
/**
* Registers a callback function that should be called when the control receives a blur event.
* This is called by the forms API on initialization so it can update the form model on blur.
* @param {?} fn
* @return {?}
*/
registerOnTouched(fn) {
this.onTouched = fn;
}
/**
* This function is called by the forms API when the control status changes to or from "DISABLED".
* Depending on the value, it should enable or disable the appropriate DOM element.
* @param {?} isDisabled
* @return {?}
*/
setDisabledState(isDisabled) {
if (isDisabled) {
this.renderer.setAttribute(this.elementRef.nativeElement, 'disabled', 'true');
this.removeDisabledState = this.renderer.listen(this.elementRef.nativeElement, 'keydown', this.listenerDisabledState);
}
else {
if (this.removeDisabledState) {
this.renderer.removeAttribute(this.elementRef.nativeElement, 'disabled');
this.removeDisabledState();
}
}
}
/**
* @param {?} e
* @return {?}
*/
listenerDisabledState(e) {
e.preventDefault();
}
}
/**
* Implemented as part of MatFormFieldControl.
* See https://material.angular.io/guide/creating-a-custom-form-field-control
*/
MatContenteditableDirective.nextId = 0;
MatContenteditableDirective.decorators = [
{ type: Directive, args: [{
selector: '[contenteditable]',
providers: [
{ provide: MatFormFieldControl, useExisting: MatContenteditableDirective },
]
},] }
];
/** @nocollapse */
MatContenteditableDirective.ctorParameters = () => [
{ type: ElementRef },
{ type: Renderer2 },
{ type: NgControl, decorators: [{ type: Optional }, { type: Self }] },
{ type: NgForm, decorators: [{ type: Optional }] },
{ type: FormGroupDirective, decorators: [{ type: Optional }] },
{ type: ErrorStateMatcher }
];
MatContenteditableDirective.propDecorators = {
value: [{ type: Input }],
id: [{ type: HostBinding }],
placeholder: [{ type: Input }],
contentEmpty: [{ type: Input }],
required: [{ type: Input }],
disabled: [{ type: Input }],
errorState: [{ type: HostBinding, args: ['attr.aria-invalid',] }],
errorStateMatcher: [{ type: Input }],
describedBy: [{ type: HostBinding, args: ['attr.aria-describedby',] }],
propValueAccessor: [{ type: Input }],
callOnChange: [{ type: HostListener, args: ['input',] }],
callOnFocused: [{ type: HostListener, args: ['focus',] }],
callOnTouched: [{ type: HostListener, args: ['blur',] }]
};
if (false) {
/**
* Implemented as part of MatFormFieldControl.
* See https://material.angular.io/guide/creating-a-custom-form-field-control
* @type {?}
*/
MatContenteditableDirective.nextId;
/** @type {?} */
MatContenteditableDirective.prototype.stateChanges;
/** @type {?} */
MatContenteditableDirective.prototype.id;
/** @type {?} */
MatContenteditableDirective.prototype._placeholder;
/** @type {?} */
MatContenteditableDirective.prototype.focused;
/** @type {?} */
MatContenteditableDirective.prototype.contentEmpty;
/** @type {?} */
MatContenteditableDirective.prototype._required;
/** @type {?} */
MatContenteditableDirective.prototype._disabled;
/** @type {?} */
MatContenteditableDirective.prototype.errorState;
/** @type {?} */
MatContenteditableDirective.prototype.errorStateMatcher;
/** @type {?} */
MatContenteditableDirective.prototype.controlType;
/** @type {?} */
MatContenteditableDirective.prototype.describedBy;
/** @type {?} */
MatContenteditableDirective.prototype.onChange;
/** @type {?} */
MatContenteditableDirective.prototype.onTouched;
/** @type {?} */
MatContenteditableDirective.prototype.removeDisabledState;
/** @type {?} */
MatContenteditableDirective.prototype.propValueAccessor;
/** @type {?} */
MatContenteditableDirective.prototype.elementRef;
/** @type {?} */
MatContenteditableDirective.prototype.renderer;
/** @type {?} */
MatContenteditableDirective.prototype.ngControl;
}
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{\n  Directive,\n  ElementRef,\n  Renderer2,\n  HostListener,\n  Input,\n  HostBinding,\n  Optional,\n  Self,\n  DoCheck,\n} from '@angular/core';\nimport { MatFormFieldControl } from '@angular/material/form-field';\nimport { ControlValueAccessor, FormGroupDirective, NgControl, NgForm } from '@angular/forms';\nimport { ErrorStateMatcher, mixinErrorState, CanUpdateErrorStateCtor, CanUpdateErrorState } from '@angular/material/core';\nimport { coerceBooleanProperty } from '@angular/cdk/coercion';\nimport { Subject } from 'rxjs';\n\n// Boilerplate for applying mixins to MatInput.\n/** @docs-private */\nclass MatInputBase {\n  constructor(public _defaultErrorStateMatcher: ErrorStateMatcher,\n              public _parentForm: NgForm,\n              public _parentFormGroup: FormGroupDirective,\n              /** @docs-private */\n              public ngControl: NgControl) {}\n}\nexport const _MatInputMixinBase: CanUpdateErrorStateCtor & typeof MatInputBase =\n  mixinErrorState(MatInputBase);\n\n\n@Directive({\n  selector: '[contenteditable]',\n  providers: [\n    { provide: MatFormFieldControl, useExisting: MatContenteditableDirective },\n  ]\n})\nexport class MatContenteditableDirective extends _MatInputMixinBase\n  implements ControlValueAccessor, MatFormFieldControl<string>, DoCheck, CanUpdateErrorState {\n\n  /**\n   * Implemented as part of MatFormFieldControl.\n   * See https://material.angular.io/guide/creating-a-custom-form-field-control\n   */\n  static nextId = 0;\n\n  @Input()\n  get value(): string { return this.elementRef.nativeElement[this.propValueAccessor]; }\n  set value(value: string) {\n    if (value !== this.value) {\n      this.elementRef.nativeElement[this.propValueAccessor] = value;\n      this.stateChanges.next();\n    }\n  }\n\n  readonly stateChanges: Subject<void> = new Subject<void>();\n\n  @HostBinding() id = `mat-input-${MatContenteditableDirective.nextId++}`;\n\n  @Input()\n  get placeholder() {\n    return this._placeholder;\n  }\n  set placeholder(plh) {\n    this._placeholder = plh;\n    this.stateChanges.next();\n  }\n  private _placeholder: string;\n\n  focused = false;\n\n  @Input() contentEmpty: Array<string> = ['<br>', '<div><br></div>'];\n  get empty(): boolean {\n    return !this.value || this.contentEmpty.includes(this.value);\n  }\n\n  get shouldLabelFloat(): boolean { return this.focused || !this.empty; }\n\n  @Input()\n  get required() {\n    return this._required;\n  }\n  set required(req) {\n    this._required = coerceBooleanProperty(req);\n    this.stateChanges.next();\n  }\n  private _required = false;\n\n  @Input()\n  get disabled() {\n    return this._disabled;\n  }\n  set disabled(dis) {\n    this._disabled = coerceBooleanProperty(dis);\n    this.stateChanges.next();\n  }\n  private _disabled = false;\n\n  @HostBinding('attr.aria-invalid') errorState: boolean;\n  @Input() errorStateMatcher: ErrorStateMatcher;\n\n  controlType = 'mat-input';\n\n  @HostBinding('attr.aria-describedby') describedBy = '';\n\n\n  // Part of ControlValueAccessor\n  private onChange: (value: string) => void;\n  private onTouched: () => void;\n  private removeDisabledState: () => void;\n\n  @Input() propValueAccessor = 'innerHTML';\n\n  constructor(\n    private elementRef: ElementRef,\n    private renderer: Renderer2,\n    @Optional() @Self() public ngControl: NgControl,\n    @Optional() _parentForm: NgForm,\n    @Optional() _parentFormGroup: FormGroupDirective,\n    _defaultErrorStateMatcher: ErrorStateMatcher,\n  ) {\n    super(_defaultErrorStateMatcher, _parentForm, _parentFormGroup, ngControl);\n    // Setting the value accessor directly (instead of using\n    // the providers) to avoid running into a circular import.\n    if (this.ngControl != null) { this.ngControl.valueAccessor = this; }\n  }\n\n  ngDoCheck() {\n    if (this.ngControl) {\n      // We need to re-evaluate this on every change detection cycle, because there are some\n      // error triggers that we can't subscribe to (e.g. parent form submissions). This means\n      // that whatever logic is in here has to be super lean or we risk destroying the performance.\n      this.updateErrorState();\n    }\n  }\n\n  @HostListener('input')\n  callOnChange() {\n    if (typeof this.onChange === 'function') {\n      this.onChange(this.elementRef.nativeElement[this.propValueAccessor]);\n    }\n  }\n\n  @HostListener('focus')\n  callOnFocused() {\n    if (this.focused !== true) {\n      this.focused = true;\n      this.stateChanges.next();\n    }\n  }\n\n  @HostListener('blur')\n  callOnTouched() {\n    if (typeof this.onTouched === 'function') {\n      this.onTouched();\n    }\n    if (this.focused !== false) {\n      this.focused = false;\n      this.stateChanges.next();\n    }\n  }\n\n  setDescribedByIds(ids: string[]) {\n    this.describedBy = ids.join(' ');\n  }\n\n  onContainerClick() { this.elementRef.nativeElement.focus(); }\n\n  /**\n   * Writes a new value to the element.\n   * This method will be called by the forms API to write\n   * to the view when programmatic (model -> view) changes are requested.\n   *\n   * See: [ControlValueAccessor](https://angular.io/api/forms/ControlValueAccessor#members)\n   */\n  writeValue(value: any): void {\n    const normalizedValue = value == null ? '' : value;\n    this.renderer.setProperty(this.elementRef.nativeElement, this.propValueAccessor, normalizedValue);\n  }\n\n  /**\n   * Registers a callback function that should be called when\n   * the control's value changes in the UI.\n   *\n   * This is called by the forms API on initialization so it can update\n   * the form model when values propagate from the view (view -> model).\n   */\n  registerOnChange(fn: () => void): void {\n    this.onChange = fn;\n  }\n\n  /**\n   * Registers a callback function that should be called when the control receives a blur event.\n   * This is called by the forms API on initialization so it can update the form model on blur.\n   */\n  registerOnTouched(fn: () => void): void {\n    this.onTouched = fn;\n  }\n\n  /**\n   * This function is called by the forms API when the control status changes to or from \"DISABLED\".\n   * Depending on the value, it should enable or disable the appropriate DOM element.\n   */\n  setDisabledState(isDisabled: boolean): void {\n    if (isDisabled) {\n      this.renderer.setAttribute(this.elementRef.nativeElement, 'disabled', 'true');\n      this.removeDisabledState = this.renderer.listen(this.elementRef.nativeElement, 'keydown', this.listenerDisabledState);\n    } else {\n      if (this.removeDisabledState) {\n        this.renderer.removeAttribute(this.elementRef.nativeElement, 'disabled');\n        this.removeDisabledState();\n      }\n    }\n  }\n\n  private listenerDisabledState(e: KeyboardEvent) {\n    e.preventDefault();\n  }\n}\n"]}