ngx-schema-forms
Version:
New features: - Ajv schema validator. - Angular forms compatible: Property tree is created using FormGroup, FormArray and FormControl classes. - Array now properly loads initial data from model. - WidgetTyep: WidgetRegistry now supports WidgetType, now wo
164 lines (163 loc) • 13.9 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
import { EventEmitter } from '@angular/core';
import { BehaviorSubject, combineLatest } from 'rxjs';
import { map, startWith } from 'rxjs/operators';
import { FormPropertyErrors } from './form-property-errors';
/** @typedef {?} */
var Constructor;
export { Constructor };
/**
* @template T
* @param {?} Base
* @return {?}
*/
export function ControlProperty(Base) {
/**
* @abstract
*/
class Property extends Base {
/**
* @param {...?} args
*/
constructor(...args) {
super(...args);
this.nonEmptyValueChanges = new EventEmitter();
this.visibilityChanges = new BehaviorSubject(true);
this._visible = true;
}
/**
* @return {?}
*/
get id() {
return this.path.toLowerCase().slice(1).replace(/\//g, '-');
}
/**
* @return {?}
*/
get isRoot() {
return this === this.root;
}
/**
* @return {?}
*/
get name() {
return this.path.split('/').pop();
}
/**
* @return {?}
*/
get visible() {
return this._visible;
}
/**
* @return {?}
*/
getErrors() {
/** @type {?} */
const errors = this.errors;
if (!errors) {
return null;
}
return new FormPropertyErrors({ [this.path]: errors });
}
/**
* @param {?} visible
* @param {?=} opts
* @return {?}
*/
setVisible(visible, opts = { disable: false }) {
this._visible = visible;
if (opts.disable) {
if (this.visible) {
this.enable();
}
else {
this.disable();
}
}
this.visibilityChanges.next(this.visible);
}
/**
* @return {?}
*/
bindVisibility() {
/** @type {?} */
const visibleIf = this.schema["visibleIf"];
if (visibleIf === undefined) {
return;
}
/** @type {?} */
const paths = Object.keys(visibleIf);
if (typeof visibleIf === 'object' && paths.length === 0) {
this.setVisible(false);
return;
}
/** @type {?} */
const observables = [];
for (const path of paths) {
if (!visibleIf.hasOwnProperty(path)) {
continue;
}
/** @type {?} */
const property = this.root.get(path);
if (!property) {
console.warn(`Couldn't find property ${path} for visibility check of ` + this.path);
continue;
}
/** @type {?} */
const values = visibleIf[path];
/** @type {?} */
const observable = property.valueChanges.pipe(startWith(values.includes(property.value)), map((value) => {
return values.includes('$ANY$') || values.includes(value);
}));
observables.push(observable);
}
// TODO unsubscribe
combineLatest(observables)
.subscribe((values) => {
this.setVisible(values.includes(true));
});
}
/**
* @param {?} path
* @return {?}
*/
get(path) {
if (typeof path === 'string' && path.includes('/')) {
path = this.normalizePath(path);
}
return super.get(path);
}
/**
* @param {?} path
* @return {?}
*/
normalizePath(path) {
if (path[0] === '/') {
path = path.slice(1);
}
return path.split('/');
}
}
if (false) {
/** @type {?} */
Property.prototype.widgetInstance;
/** @type {?} */
Property.prototype.nonEmptyValue;
/** @type {?} */
Property.prototype.nonEmptyValueChanges;
/** @type {?} */
Property.prototype.visibilityChanges;
/** @type {?} */
Property.prototype.path;
/** @type {?} */
Property.prototype.schema;
/** @type {?} */
Property.prototype._visible;
}
return Property;
}
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{ EventEmitter } from '@angular/core';\nimport {\n  AbstractControl,\n  ValidationErrors,\n  FormControl,\n  FormArray,\n  FormGroup\n} from '@angular/forms';\nimport { BehaviorSubject, combineLatest } from 'rxjs';\nimport { map, startWith  } from 'rxjs/operators';\n\nimport { FormProperty } from './form-property';\nimport { FormPropertyErrors } from './form-property-errors';\nimport { Schema, SchemaValidatorFn } from '../schema';\n\n\nexport type Constructor<T> = new (...args: any[]) => T;\n\n\nexport function ControlProperty<T extends Constructor<AbstractControl>>(\n  Base: T\n): T & Constructor<FormProperty> {\n\n  abstract class Property extends Base implements FormProperty {\n\n    widgetInstance: any;\n\n    nonEmptyValue: any;\n    nonEmptyValueChanges = new EventEmitter();\n    visibilityChanges = new BehaviorSubject<boolean>(true);\n\n    get id(): string {\n      return this.path.toLowerCase().slice(1).replace(/\\//g, '-');\n    }\n\n    get isRoot(): boolean {\n      return this === this.root;\n    }\n\n    readonly path: string;\n    readonly schema: Schema;\n\n    get name(): string {\n      return this.path.split('/').pop();\n    }\n\n    protected _visible = true;\n    get visible(): boolean {\n      return this._visible;\n    }\n\n    constructor(...args: any[]) {\n      super(...args);\n\n    }\n\n    getErrors(): FormPropertyErrors | null {\n      const errors = this.errors;\n\n      if (!errors) {\n        return null;\n      }\n\n      return new FormPropertyErrors({ [this.path]: errors });\n    }\n\n    setVisible(visible: boolean, opts = { disable: false }) {\n      this._visible = visible;\n      if (opts.disable) {\n        if (this.visible) {\n          this.enable();\n        } else {\n          this.disable();\n        }\n      }\n      this.visibilityChanges.next(this.visible);\n    }\n\n    // visible if AT LEAST ONE of the properties it depends on is visible\n    // AND has a value in the list\n    bindVisibility() {\n      // SHOULD ONLY BE CALLED AFTER ENTIRE PROPERTY TREE IS BUILT\n      const visibleIf = this.schema.visibleIf;\n\n      if (visibleIf === undefined) {\n        return;\n      }\n\n      const paths = Object.keys(visibleIf);\n      if (typeof visibleIf === 'object' && paths.length === 0) {\n        this.setVisible(false);\n        return;\n      }\n\n      const observables = [];\n      for (const path of paths) {\n        if (!visibleIf.hasOwnProperty(path)) {\n          continue;\n        }\n\n        const property = this.root.get(path);\n        if (!property) {\n          console.warn(\n            `Couldn't find property ${path} for visibility check of ` + this.path\n          );\n          continue;\n        }\n\n        const values = visibleIf[path];\n\n        const observable = property.valueChanges.pipe(\n          startWith(values.includes(property.value)),\n          map((value) => {\n            return values.includes('$ANY$') || values.includes(value);\n          })\n        );\n\n        observables.push(observable);\n      }\n\n      // TODO unsubscribe\n      combineLatest(observables)\n        .subscribe((values: boolean[]) => {\n          this.setVisible(values.includes(true));\n        });\n\n    }\n\n    get(path: Array<string|number>|string): AbstractControl|null {\n      if (typeof path === 'string' && path.includes('/')) {\n        path = this.normalizePath(path);\n      }\n      return super.get(path);\n    }\n\n    private normalizePath(path: string): string[] {\n      if (path[0] === '/') {\n        path = path.slice(1);\n      }\n      return path.split('/');\n    }\n\n  }\n\n  return Property;\n\n}\n\n\n"]}