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import { DynamicFormAction } from '../dynamic-form-action/dynamic-form-action';
import { DynamicFormActionDefinition } from '../dynamic-form-action/dynamic-form-action-definition';
import { DynamicFormActionExpressions } from '../dynamic-form-action/dynamic-form-action-expressions';
import { DynamicFormActionType } from '../dynamic-form-action/dynamic-form-action-type';
import { DynamicFormArray } from '../dynamic-form-array/dynamic-form-array';
import { DynamicFormArrayDefinition } from '../dynamic-form-array/dynamic-form-array-definition';
import { DynamicFormArrayAsyncValidator, DynamicFormArrayValidator } from '../dynamic-form-array/dynamic-form-array-validator';
import { DynamicFormConfigService } from '../dynamic-form-config/dynamic-form-config.service';
import { DynamicFormControl } from '../dynamic-form-control/dynamic-form-control';
import { DynamicFormControlAddOn, DynamicFormControlAddOnDefinition,
DynamicFormControlDefinition } from '../dynamic-form-control/dynamic-form-control-definition';
import { DynamicFormControlEvaluator } from '../dynamic-form-control/dynamic-form-control-evaluator';
import { DynamicFormControlAsyncValidator, DynamicFormControlValidator } from '../dynamic-form-control/dynamic-form-control-validator';
import { DynamicFormDictionary } from '../dynamic-form-dictionary/dynamic-form-dictionary';
import { DynamicFormDictionaryDefinition } from '../dynamic-form-dictionary/dynamic-form-dictionary-definition';
import {
DynamicFormDictionaryAsyncValidator,DynamicFormDictionaryValidator,
} from '../dynamic-form-dictionary/dynamic-form-dictionary-validator';
import { DynamicFormElement } from '../dynamic-form-element/dynamic-form-element';
import { DynamicFormElementDefinition } from '../dynamic-form-element/dynamic-form-element-definition';
import { DynamicFormElementExpressions } from '../dynamic-form-element/dynamic-form-element-expressions';
import { DynamicFormElementType } from '../dynamic-form-element/dynamic-form-element-type';
import { DynamicFormError } from '../dynamic-form-error/dynamic-form-error';
import { DynamicFormErrorType } from '../dynamic-form-error/dynamic-form-error-type';
import { DynamicFormErrorHandler } from '../dynamic-form-error/dynamic-form-error.handler';
import { DynamicFormEvaluationBuilder } from '../dynamic-form-evaluation/dynamic-form-evaluation.builder';
import { DynamicFormExpressionBuilder } from '../dynamic-form-expression/dynamic-form-expression.builder';
import { DynamicFormField } from '../dynamic-form-field/dynamic-form-field';
import { DynamicFormFieldDefinition } from '../dynamic-form-field/dynamic-form-field-definition';
import { DynamicFormFieldExpressions } from '../dynamic-form-field/dynamic-form-field-expressions';
import { DynamicFormFieldType } from '../dynamic-form-field/dynamic-form-field-type';
import { DynamicFormGroup } from '../dynamic-form-group/dynamic-form-group';
import { DynamicFormGroupDefinition } from '../dynamic-form-group/dynamic-form-group-definition';
import { DynamicFormGroupAsyncValidator, DynamicFormGroupValidator } from '../dynamic-form-group/dynamic-form-group-validator';
import { DynamicFormValidationBuilder } from '../dynamic-form-validation/dynamic-form-validation.builder';
import { DynamicForm } from './dynamic-form';
import { DynamicFormDefinition } from './dynamic-form-definition';
import { cloneObject, mergeObject } from './dynamic-form-helpers';
import { DynamicFormIdBuilder, DYNAMIC_FORM_ID_BUILDER } from './dynamic-form-id.builder';
export interface DynamicFormFieldConstructor<Field extends DynamicFormField> {
// eslint-disable-next-line @typescript-eslint/prefer-function-type
new(
builder: DynamicFormBuilder,
root: DynamicForm,
parent: DynamicFormElement,
definition: DynamicFormFieldDefinition,
type: DynamicFormFieldType
): Field;
}
@Injectable()
export class DynamicFormBuilder {
constructor(
private configService: DynamicFormConfigService,
private expressionBuilder: DynamicFormExpressionBuilder,
private evaluationBuilder: DynamicFormEvaluationBuilder,
private validationBuilder: DynamicFormValidationBuilder,
private errorHandler: DynamicFormErrorHandler,
@Optional() @Inject(DYNAMIC_FORM_ID_BUILDER)
private idBuilder: DynamicFormIdBuilder,
) {}
initForm<Value extends { [key: string]: any } = any, Model extends Value = Value>(
definition: DynamicFormDefinition, model: Model,
): DynamicForm<Value, Model> {
const field = this.createForm<Value, Model>(definition, model);
field.check();
return field;
}
createForm<Value extends { [key: string]: any } = any, Model extends Value = Value>(
definition: DynamicFormDefinition, model: Model,
): DynamicForm<Value, Model> {
const field = new DynamicForm<Value, Model>(this, definition, model);
field.init();
return field;
}
createFormElement(
root: DynamicForm, parent: DynamicFormElement, definition: DynamicFormElementDefinition,
): DynamicFormElement | undefined {
const elementType = this.getElementType(definition);
return elementType
? this.createFormElementForType(root, parent, definition, elementType)
: undefined;
}
createFormControl(
root: DynamicForm, parent: DynamicFormElement, definition: DynamicFormControlDefinition,
): DynamicFormControl | undefined {
const fieldType = this.getFieldType(definition);
return fieldType
? this.createFormFieldForType(DynamicFormControl, root, parent, definition, fieldType)
: undefined;
}
createFormGroup(
root: DynamicForm, parent: DynamicFormField, definition: DynamicFormGroupDefinition,
): DynamicFormGroup | undefined {
const fieldType = this.getFieldType(definition);
return fieldType
? this.createFormFieldForType(DynamicFormGroup, root, parent, definition, fieldType)
: undefined;
}
createFormArray(
root: DynamicForm, parent: DynamicFormField, definition: DynamicFormArrayDefinition,
): DynamicFormArray | undefined {
const fieldType = this.getFieldType(definition);
return fieldType
? this.createFormFieldForType(DynamicFormArray, root, parent, definition, fieldType)
: undefined;
}
createFormArrayField(field: DynamicFormArray, index: number): DynamicFormField | undefined {
const definitionTemplate = field.definition.definitionTemplate || {};
const definitionBase = this.getDefinitionClone(definitionTemplate, field.root);
const definition = { ...definitionBase, key: `${index}`, index };
return this.createFormFieldForFactory(field.root, field, definition);
}
createFormDictionary(
root: DynamicForm, parent: DynamicFormField, definition: DynamicFormDictionaryDefinition,
): DynamicFormDictionary | undefined {
const fieldType = this.getFieldType(definition);
return fieldType
? this.createFormFieldForType(DynamicFormDictionary, root, parent, definition, fieldType)
: undefined;
}
createFormDictionaryField(field: DynamicFormDictionary, key: string): DynamicFormField | undefined {
const definitionTemplate = field.definition.definitionTemplate || {};
const definitionBase = this.getDefinitionClone(definitionTemplate, field.root);
const definition = { ...definitionBase, key };
return this.createFormFieldForFactory(field.root, field, definition);
}
createFormAction(
root: DynamicForm, parent: DynamicFormElement | DynamicFormField, definition: DynamicFormActionDefinition,
): DynamicFormAction | undefined {
const actionType = this.getActionType(definition);
return actionType
? this.createFormActionForType(root, parent, definition, actionType)
: undefined;
}
createFormElementForType(
root: DynamicForm, parent: DynamicFormElement, definition: DynamicFormElementDefinition, type: DynamicFormElementType,
): DynamicFormElement {
const element = new DynamicFormElement(this, root, parent, definition, type);
element.init();
return element;
}
createFormFieldForType<Field extends DynamicFormField>(
fieldConstructor: DynamicFormFieldConstructor<Field>,
root: DynamicForm, parent: DynamicFormElement, definition: DynamicFormFieldDefinition, type: DynamicFormFieldType,
): Field {
const field = new fieldConstructor(this, root, parent, definition, type);
field.init();
return field;
}
createFormActionForType(
root: DynamicForm, parent: DynamicFormElement, definition: DynamicFormActionDefinition, type: DynamicFormActionType,
): DynamicFormAction {
const action = new DynamicFormAction(this, root, parent, definition, type);
action.init();
return action;
}
createFormElementForFactory(
root: DynamicForm, parent: DynamicFormElement, definition: DynamicFormElementDefinition,
): DynamicFormElement | undefined {
const elementType = this.getElementType(definition);
if (!elementType) {
return undefined;
}
return !elementType.factory
? this.createFormElementForType(root, parent, definition, elementType)
: elementType.factory(this, root, parent, definition, elementType);
}
createFormFieldForFactory(
root: DynamicForm, parent: DynamicFormElement, definition: DynamicFormFieldDefinition,
): DynamicFormField | undefined {
const fieldType = this.getFieldType(definition);
if (!fieldType) {
return undefined;
}
if (fieldType.factory) {
return fieldType.factory(this, root, parent, definition, fieldType);
}
this.handleError(DynamicFormErrorType.FieldType, `Field type ${ fieldType.type } does not provide a factory`);
return undefined;
}
createFormActionForFactory(
root: DynamicForm, parent: DynamicFormElement, definition: DynamicFormActionDefinition,
): DynamicFormAction | undefined {
const actionType = this.getActionType(definition);
if (!actionType) {
return undefined;
}
return !actionType.factory
? this.createFormActionForType(root, parent, definition, actionType)
: actionType.factory(this, root, parent, definition, actionType);
}
createFormElements(
root: DynamicForm, parent: DynamicFormElement, definitions: DynamicFormElementDefinition[],
): DynamicFormElement[] {
return (definitions || [])
.map((definition) => {
const elementDefintion = this.getDefinition(definition, root);
const classType = this.configService.getClassType(elementDefintion.type);
switch (classType) {
case 'element':
return this.createFormElementForFactory(root, parent, elementDefintion);
case 'field':
return this.createFormFieldForFactory(root, parent, elementDefintion as DynamicFormFieldDefinition);
case 'action':
return this.createFormActionForFactory(root, parent, elementDefintion as DynamicFormActionDefinition);
default:
this.handleError(DynamicFormErrorType.ClassType, `Class type ${ classType } is not defined`);
return undefined;
}
})
.filter(element => !!element);
}
createFormActions(
root: DynamicForm, parent: DynamicFormElement | DynamicFormField, definitions: DynamicFormActionDefinition[],
): DynamicFormAction[] {
return (definitions || [])
.map(definition => {
const actionDefinition = this.getDefinition(definition, root);
return this.createFormActionForFactory(root, parent, actionDefinition);
})
.filter(element => !!element);
}
createFormControlAddOn(
root: DynamicForm, parent: DynamicFormControl, definition: DynamicFormControlAddOnDefinition,
): DynamicFormControlAddOn | undefined {
if (!definition) {
return undefined;
}
const addOnDefinition = this.getDefinition(definition, root);
const classType = this.configService.getClassType(addOnDefinition.type);
switch (classType) {
case 'element':
return this.createFormElementForFactory(root, parent, addOnDefinition);
case 'action':
return this.createFormActionForFactory(root, parent, addOnDefinition as DynamicFormActionDefinition);
default:
this.handleError(DynamicFormErrorType.ClassType, `Class type ${ classType } is not defined or not supported for add-on`);
return undefined;
}
}
getDefinition<TDefinition extends DynamicFormElementDefinition>(definition: TDefinition, root: DynamicForm): TDefinition {
return definition.reference ? this.mergeDefinition(definition, root) : definition;
}
getDefinitionClone<TDefinition extends DynamicFormElementDefinition>(definition: TDefinition, root: DynamicForm): TDefinition {
return definition.reference ? this.mergeDefinition(definition, root) : cloneObject(definition);
}
createId(): string {
return this.idBuilder?.createId ? this.idBuilder?.createId() : `${Date.now()}${Math.random().toString().slice(2)}`;
}
getFieldId(field: DynamicFormField): string {
return field.settings.autoGeneratedId && !field.id ? this.createId() : field.id;
}
getActionId(action: DynamicFormAction): string {
return !action.id
? `${action.template.action}-${this.createId()}`
: action.id;
}
createElementExpressions(element: DynamicFormElement): DynamicFormElementExpressions {
return this.expressionBuilder.createElementExpressions(element);
}
createFieldExpressions(field: DynamicFormField): DynamicFormFieldExpressions {
return this.expressionBuilder.createFieldExpressions(field);
}
createActionExpressions(action: DynamicFormAction): DynamicFormActionExpressions {
return this.expressionBuilder.createActionExpressions(action);
}
createFormArrayElements(array: DynamicFormArray): DynamicFormField[] | undefined {
const type = this.getFieldType(this.getDefinition(array.definition.definitionTemplate || {}, array.root));
if (!type) {
return undefined;
}
return array.model.map((_item, index) => this.createFormArrayField(array , index));
}
createFormDictionaryElements(dictionary: DynamicFormDictionary): DynamicFormField[] {
const type = this.getFieldType(this.getDefinition(dictionary.definition.definitionTemplate || {}, dictionary.root));
if (!type) {
return undefined;
}
return Object.keys(dictionary.model).map((key, _index) => this.createFormDictionaryField(dictionary, key));
}
createControlEvaluators(control: DynamicFormControl): DynamicFormControlEvaluator[] {
return this.evaluationBuilder.createControlEvaluators(control);
}
createControlValidators(control: DynamicFormControl): (DynamicFormControlValidator | DynamicFormControlAsyncValidator)[] {
return this.validationBuilder.createControlValidators(control);
}
createGroupValidators(group: DynamicFormGroup): (DynamicFormGroupValidator | DynamicFormGroupAsyncValidator)[] {
return this.validationBuilder.createGroupValidators(group);
}
createArrayValidators(array: DynamicFormArray): (DynamicFormArrayValidator | DynamicFormArrayAsyncValidator)[] {
return this.validationBuilder.createArrayValidators(array);
}
createDictionaryValidators(dictionary: DynamicFormDictionary): (DynamicFormDictionaryValidator | DynamicFormDictionaryAsyncValidator)[] {
return this.validationBuilder.createDictionaryValidators(dictionary);
}
private mergeDefinition<TDefinition extends DynamicFormElementDefinition>(definition: TDefinition, root: DynamicForm): TDefinition {
if (!root.definition.references?.[definition.reference]) {
this.handleError(DynamicFormErrorType.DefinitionReference, `Definition reference ${ definition.reference } is not defined`);
return definition;
}
const reference = cloneObject(root.definition.references[definition.reference]);
return mergeObject(reference, definition);
}
private getElementType(definition: DynamicFormElementDefinition): DynamicFormElementType | undefined {
const type = definition.type ? this.configService.getElementType(definition.type) : undefined;
return this.handleUndefined(type, DynamicFormErrorType.ElementType, () => `Element type ${ definition.type } is not defined`);
}
private getFieldType(definition: DynamicFormFieldDefinition): DynamicFormFieldType | undefined {
const type = definition.type ? this.configService.getFieldType(definition.type) : undefined;
return this.handleUndefined(type, DynamicFormErrorType.FieldType, () => `Field type ${ definition.type } is not defined`);
}
private getActionType(definition: DynamicFormActionDefinition): DynamicFormActionType | undefined {
const type = definition.type ? this.configService.getActionType(definition.type) : undefined;
return this.handleUndefined(type, DynamicFormErrorType.ActionType, () => `Action type ${ definition.type } is not defined`);
}
private handleError<ErrorType extends DynamicFormErrorType = DynamicFormErrorType>(type: ErrorType, message: string): void {
this.errorHandler.handle(new DynamicFormError<ErrorType>(type, message));
}
private handleUndefined<Value, ErrorType extends DynamicFormErrorType = DynamicFormErrorType>(
value: Value | undefined, type: ErrorType, createMessage: () => string,
): Value | undefined {
return this.errorHandler.handleUndefined(value, () => new DynamicFormError<ErrorType>(type, createMessage()));
}
}
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