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
178 lines (177 loc) • 19.1 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,uselessCode} checked by tsc
*/
import { startWith } from 'rxjs/operators';
import { SchemaPropertyType } from '../schema';
import { GenericProperty } from './generic-property';
import { NumberProperty } from './number-property';
import { BooleanProperty } from './boolean-property';
import { StringProperty } from './string-property';
import { ArrayProperty } from './array-property';
import { ObjectProperty } from './object-property';
import { SchemaPreprocessor } from './schemapreprocessor';
/** @typedef {?} */
var PropertyParent;
export { PropertyParent };
export class FormPropertyFactory {
/**
* @param {?} schemaValidatorFactory
* @param {?} validatorRegistry
*/
constructor(schemaValidatorFactory, validatorRegistry) {
this.schemaValidatorFactory = schemaValidatorFactory;
this.validatorRegistry = validatorRegistry;
}
/**
* @param {?} schema
* @param {?=} propertyParent
* @param {?=} propertyKey
* @return {?}
*/
createProperty(schema, propertyParent, propertyKey) {
/** @type {?} */
let property;
/** @type {?} */
const path = this.generatePath(propertyParent, propertyKey);
SchemaPreprocessor.preprocess(schema, path);
// TODO test for parsing for reference schema
if (schema["$ref"]) {
/** @type {?} */
const refSchema = this.schemaValidatorFactory.getSchema((/** @type {?} */ (propertyParent.root)).schema, schema["$ref"]);
property = this.createProperty(refSchema, propertyParent, propertyKey || path);
}
else {
switch (schema["type"]) {
case SchemaPropertyType.Integer:
case SchemaPropertyType.Number:
property = new NumberProperty(path, schema);
break;
case SchemaPropertyType.String:
property = new StringProperty(path, schema);
break;
case SchemaPropertyType.Boolean:
property = new BooleanProperty(path, schema);
break;
case SchemaPropertyType.Object:
property = new ObjectProperty(path, schema);
break;
case SchemaPropertyType.Array:
if (schema["widget"].id === 'array') {
property = new ArrayProperty(this, path, schema);
}
else {
schema["default"] = [];
property = new GenericProperty(path, schema);
}
break;
default:
throw new TypeError(`Undefined type ${schema["type"]}`);
}
}
this.initializeFormProperty(property, propertyParent);
return property;
}
/**
* @param {?} property
* @param {?=} propertyParent
* @return {?}
*/
initializeFormProperty(property, propertyParent) {
if (propertyParent) {
property.setParent(propertyParent);
}
this.bindCustomValidator(property);
if (property instanceof ObjectProperty) {
for (const key in property.schema["properties"]) {
if (property.schema["properties"].hasOwnProperty(key)) {
/** @type {?} */
const _schema = property.schema["properties"][key];
/** @type {?} */
const _property = this.createProperty(_schema, property, key);
property.addControl(key, _property);
}
}
}
if (property.isRoot) {
this.bindSchemaValidator(property);
// needs to run after entire property tree is built
property.bindVisibility();
}
}
/**
* @param {?} property
* @return {?}
*/
bindSchemaValidator(property) {
/** @type {?} */
const validate = this.schemaValidatorFactory.createValidatorFn(property.schema);
// TODO use pipe startWith to do initial run
property.valueChanges
.pipe(startWith(null))
.subscribe(() => {
/** @type {?} */
const value = property.nonEmptyValue;
property.nonEmptyValueChanges.emit(value);
/** @type {?} */
const errors = validate(value);
if (!errors) {
return;
}
Object.keys(errors).forEach((path) => {
/** @type {?} */
const control = property.get(path);
if (control) {
// set error to specific control
control.setErrors(errors[path], { emitEvent: true });
}
});
});
}
/**
* @param {?} property
* @return {?}
*/
bindCustomValidator(property) {
/** @type {?} */
const validators = this.validatorRegistry.get(property.path);
if (validators) {
property.setValidators(validators);
}
}
/**
* @param {?=} propertyParent
* @param {?=} propertyKey
* @return {?}
*/
generatePath(propertyParent, propertyKey) {
if (!propertyParent) {
return '/';
}
/** @type {?} */
let path = '';
path += propertyParent.path;
if (propertyParent.parent !== undefined) {
path += '/';
}
switch (propertyParent.schema["type"]) {
case SchemaPropertyType.Object:
path += propertyKey;
break;
case SchemaPropertyType.Array:
path += (/** @type {?} */ (propertyParent)).controls.length;
break;
default:
// TODO move to class
throw new Error('Instantiation of a FormProperty with an unknown parent type: ' + propertyParent.schema["type"]);
}
return path;
}
}
if (false) {
/** @type {?} */
FormPropertyFactory.prototype.schemaValidatorFactory;
/** @type {?} */
FormPropertyFactory.prototype.validatorRegistry;
}
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{ EventEmitter } from '@angular/core';\nimport {\n  AbstractControl,\n  FormControl,\n  FormGroup,\n  FormArray,\n  Validators\n} from '@angular/forms';\nimport { startWith } from 'rxjs/operators';\n\n\n\nimport { SchemaValidatorFactory } from '../schemavalidatorfactory';\nimport { ValidatorRegistry } from '../model/validatorregistry';\nimport { Schema, SchemaPropertyType } from '../schema';\n\nimport { FormProperty } from './form-property';\nimport { GenericProperty } from './generic-property';\nimport { NumberProperty } from './number-property';\nimport { BooleanProperty } from './boolean-property';\nimport { StringProperty } from './string-property';\nimport { ArrayProperty } from './array-property';\nimport { ObjectProperty } from './object-property';\nimport { SchemaPreprocessor } from './schemapreprocessor';\n\n\nexport type PropertyParent = ObjectProperty | ArrayProperty;\n\n\nexport class FormPropertyFactory {\n\n  constructor(\n    private schemaValidatorFactory: SchemaValidatorFactory,\n    private validatorRegistry: ValidatorRegistry\n  ) { }\n\n  createProperty(\n    schema: Schema,\n    propertyParent?: PropertyParent,\n    propertyKey?: string\n  ): FormProperty {\n\n\n    let property: FormProperty;\n    const path = this.generatePath(propertyParent, propertyKey);\n\n    SchemaPreprocessor.preprocess(schema, path);\n\n    // TODO test for parsing for reference schema\n    if (schema.$ref) {\n      const refSchema = this.schemaValidatorFactory.getSchema(\n        (<FormProperty>propertyParent.root).schema,\n        schema.$ref\n      );\n\n      property = this.createProperty(\n        refSchema,\n        propertyParent,\n        propertyKey || path\n      );\n\n    } else {\n      switch (schema.type) {\n        case SchemaPropertyType.Integer:\n        case SchemaPropertyType.Number:\n          property = new NumberProperty(path, schema);\n          break;\n        case SchemaPropertyType.String:\n          property = new StringProperty(path, schema);\n          break;\n        case SchemaPropertyType.Boolean:\n          property = new BooleanProperty(path, schema);\n          break;\n        case SchemaPropertyType.Object:\n          property = new ObjectProperty(path, schema);\n          break;\n        case SchemaPropertyType.Array:\n          if (schema.widget.id === 'array') {\n            property = new ArrayProperty(this, path, schema);\n          } else {\n            schema.default = [];\n            property = new GenericProperty(path, schema);\n          }\n          break;\n        default:\n          throw new TypeError(`Undefined type ${schema.type}`);\n      }\n    }\n\n\n    this.initializeFormProperty(property, propertyParent);\n\n\n    return property;\n  }\n\n  private initializeFormProperty(\n    property: FormProperty,\n    propertyParent?: PropertyParent,\n  ) {\n\n    if (propertyParent) {\n      property.setParent(propertyParent);\n    }\n\n    this.bindCustomValidator(property);\n\n    if (property instanceof ObjectProperty) {\n      for (const key in property.schema.properties) {\n        if (property.schema.properties.hasOwnProperty(key)) {\n          const _schema = property.schema.properties[key];\n          const _property = this.createProperty(_schema, property, key);\n          property.addControl(key, _property);\n        }\n      }\n    }\n\n    if (property.isRoot) {\n      this.bindSchemaValidator(property);\n      // needs to run after entire property tree is built\n      property.bindVisibility();\n    }\n  }\n\n  private bindSchemaValidator(property: FormProperty) {\n\n    const validate = this.schemaValidatorFactory.createValidatorFn(\n      property.schema\n    );\n\n    // TODO use pipe startWith to do initial run\n    property.valueChanges\n      .pipe(startWith(null))\n      .subscribe(() => {\n        const value = property.nonEmptyValue;\n        property.nonEmptyValueChanges.emit(value);\n\n        const errors = validate(value);\n        if (!errors) {\n          return;\n        }\n\n        Object.keys(errors).forEach((path: string) => {\n          const control = property.get(path);\n          if (control) {\n            // set error to specific control\n            control.setErrors(errors[path], { emitEvent: true });\n          }\n        });\n      });\n  }\n\n  private bindCustomValidator(property: FormProperty) {\n    const validators = this.validatorRegistry.get(property.path);\n    if (validators) {\n      property.setValidators(validators);\n    }\n  }\n\n  private generatePath(\n    propertyParent?: PropertyParent,\n    propertyKey?: string\n  ): string {\n\n    if (!propertyParent) {\n      return '/';\n    }\n\n    let path = '';\n    path += propertyParent.path;\n\n\n    if (propertyParent.parent !== undefined) {\n      path += '/';\n    }\n\n    switch (propertyParent.schema.type) {\n      case SchemaPropertyType.Object:\n        path += propertyKey;\n        break;\n\n      case SchemaPropertyType.Array:\n        path += (<ArrayProperty>propertyParent).controls.length;\n        break;\n\n      default:\n        // TODO move to class\n        throw new Error(\n          'Instantiation of a FormProperty with an unknown parent type: ' +\n            propertyParent.schema.type\n        );\n    }\n\n    return path;\n  }\n}\n"]}