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import debounce from 'lodash.debounce';
import { ComponentRender } from '../zd-component/component-render';
import { Form } from '../zd-form/form';
import { IInput, IInputEvents } from './interfaces';
import { IFormGrid } from '../zd-form/interfaces';
/**
* Base class for Input component.
*/
export class Input extends ComponentRender implements IInput {
/**
* Input content alignment.
*/
public align = 'left';
/**
* Always show error messages even if showHelper is false.
*/
public alwaysShowError = false;
/**
* Input auto complete.
*/
public autofill = true;
/**
* Add input clear functionality if the input isn't readonly or disabled.
*/
public clearable = true;
/**
* Applies specified color to the control.
* It can be the name of material or css color in hex.
*/
public color = 'primary';
/**
* Defines smaller input.
*/
public dense = true;
/**
* Removes the ability to click or target the input.
*/
public disabled = false;
/**
* Defines input events.
*/
public declare events: IInputEvents;
/**
* Hint text.
*/
public hint = '';
/**
* Defines the input label.
*/
public label = '';
/**
* Applies a custom character mask to the input.
*/
public mask?: any = '';
/**
* Input max character length.
*/
public maxLength!: number;
/**
* Forces hint to always be visible.
*/
public persistentHint = false;
/**
* Sets the input’s placeholder text.
*/
public placeholder = '';
/**
* Puts input in readonly state.
*/
public readonly = false;
/**
* Reverses the input orientation.
*/
public reverse = false;
/**
* Rules that will validate the input value.
*/
public rules: ((value?: any) => boolean | string)[] = [];
/**
* Shows input border.
*/
public showBorder = true;
/**
* Shows input helper.
*/
public showHelper = true;
/**
* Shows input label.
*/
public showLabel = true;
/**
* Show rules details in input.
*/
public autoHintDetails = false;
/**
* Used to watch a value from store.
*/
public storePath = '';
/**
* Input validations.
*/
public validations: IDictionary<IDictionary<string | number>> = {};
/**
* Optional validation method assigned by view layer.
*/
private viewValidate?: (silent?: boolean) => Promise<string[]>;
/**
* Reset validation method assigned by view layer.
*/
private viewResetValidation?: () => void;
/**
* Parsed field rules.
*/
protected parsedValidations: IDictionary<(value?: any) => boolean | string> = {};
protected formatterFn = FormatterParserProvider.getFormatter('ZdInput');
protected parserFn = FormatterParserProvider.getParser('ZdInput');
protected internalDisplayValue = '';
protected internalValue: any = null;
public formParent?: Form = this.getFormParent();
public grid: IFormGrid = {};
/* istanbul ignore next */
/**
* Creates a new Input.
* @param props Input properties
*/
constructor(props: IInput) {
super(props);
this.align = this.getInitValue('align', props.align, this.align);
this.alwaysShowError = this.getInitValue('alwaysShowError', props.alwaysShowError, this.alwaysShowError);
this.autofill = this.getInitValue('autofill', props.autofill, this.autofill);
this.clearable = this.getInitValue('clearable', props.clearable, this.clearable);
this.color = this.getInitValue('color', props.color, this.color);
this.dense = this.getInitValue('dense', props.dense, this.dense);
this.disabled = this.getInitValue('disabled', props.disabled, this.disabled);
this.hint = this.getInitValue('hint', props.hint, this.hint);
this.autoHintDetails = this.getInitValue('autoHintDetails', props.autoHintDetails, this.autoHintDetails);
this.label = this.getInitValue('label', props.label, this.label);
this.mask = this.getInitValue('mask', props.mask, this.mask);
this.maxLength = this.getInitValue('maxLength', props.maxLength, this.maxLength);
this.persistentHint = this.getInitValue('persistentHint', props.persistentHint, this.persistentHint);
this.placeholder = this.getInitValue('placeholder', props.placeholder, this.placeholder);
this.readonly = this.getInitValue('readonly', props.readonly, this.readonly);
this.reverse = this.getInitValue('reverse', props.reverse, this.reverse);
this.showBorder = this.getInitValue('showBorder', props.showBorder, this.showBorder);
this.showHelper = this.getInitValue('showHelper', props.showHelper, this.showHelper);
this.showLabel = this.getInitValue('showLabel', props.showLabel, this.showLabel);
this.storePath = this.getInitValue('storePath', props.storePath, this.storePath);
this.value = this.getInitValue('value', props.value, this.value);
this.validations = this.getInitValue('validations', props.validations, this.validations);
this.grid = this.getInitValue('grid', props.grid, this.grid);
this.parseValidations(props.validations || {});
}
public onCreated(): void {
super.onCreated();
if (this.formParent) {
this.formParent.registerInput(this);
}
}
/**
* Validates input.
*/
public validate() {
if (this.viewValidate) {
return this.viewValidate();
}
return Promise.resolve([]);
}
/**
* Sets view validation method.
*/
public setViewValidate(viewValidate: (silent?: boolean) => Promise<string[]>) {
this.viewValidate = viewValidate;
}
/**
* Sets view reset validation method.
*/
public setViewResetValidation(viewResetValidation: () => void) {
this.viewResetValidation = viewResetValidation;
}
/**
* Reset all form validation errors.
* @throws Will throw if viewResetValidation is undefined
*/
public resetValidation() {
if (this.viewResetValidation) {
return this.viewResetValidation();
}
throw new Error('viewResetValidation method not assigned');
}
/**
* Adds parsed validations based on field validations.
* @param validations Field validations
*/
private parseValidations(validations: IDictionary<any>) {
Object.keys(validations).forEach((name: string) => this.addValidation(name, validations[name]));
}
/**
* Adds input validation.
* @param name Validation name
* @param config Validation config
*/
public addValidation(name: string, config?: IDictionary<any>) {
const validation = Validation.get(name)(config);
(this.validations as any)[name] = config;
this.parsedValidations[name] = validation;
this.updateRules();
}
/**
* Removes input validation.
* @param name Validation name
*/
public removeValidation(name: string) {
delete this.parsedValidations[name];
delete this.validations[name];
this.updateRules();
}
/**
* Removes all input validation.
*/
public clearValidations() {
this.parsedValidations = {};
this.validations = {};
this.rules = [];
}
/**
* Updates input rules.
*/
protected updateRules() {
this.rules = Object.values(this.parsedValidations).map(
(validation: (value?: any) => boolean | string) => (value?: any) => {
const testValue = value !== undefined ? value : this.value;
return validation(testValue);
},
);
}
/**
* Input value.
*/
get value(): any {
return this.internalValue;
}
set value(value: any) {
if (this.internalValue !== value) {
this.internalDisplayValue = this.formatter(value);
this.internalValue = value;
}
}
/**
* Input displayed value.
*/
get displayValue(): any {
return this.internalDisplayValue;
}
set displayValue(value: any) {
if (this.internalDisplayValue !== value) {
const parsedValue = this.parser(value);
this.value = parsedValue;
if (!this.mask) {
this.internalDisplayValue = value;
return;
}
let { mask } = this;
if (typeof mask === 'function') {
mask = mask(parsedValue);
}
this.internalDisplayValue = Mask.convertAll(mask, value);
this.internalValue = this.parser(this.internalDisplayValue);
}
}
/**
* Retrieves a formatted value.
* @param value Any value
* @returns A Formatted value
*/
public formatter(value: any) {
return this.formatterFn(value);
}
/**
* Retrieves a parsed value.
* @param value Any value
* @returns A parsed value
*/
public parser(value: any) {
return this.parserFn(value);
}
/**
* Checks the input value are valid to all applied rules.
* @returns Input is valid
*/
public isValid(value?: any) {
return this.rules.every((rule) => {
const testValue = value !== undefined ? value : this.value;
return typeof rule(testValue) !== 'string';
});
}
private lastChangeValue: any = undefined;
/**
* Triggered when the input value changes.
* @param event DOM event
* @param element Element clicked
*/
public change(event?: Event, element?: any) {
if (this.value === '') this.value = null;
if (this.value !== this.lastChangeValue) {
this.lastChangeValue = this.value;
this.callEvent('change', { event, element, component: this });
}
}
protected lastInputValue: any = undefined;
protected callInputEvent: ({ event, element, component }: IDictionary) => void = debounce(
({ event, element, component }: IDictionary) => {
this.callEvent('input', { event, element, component });
},
50,
);
/**
* Triggered when the data is inputted.
* @param event DOM event
* @param element Element focused
*/
public input(event?: Event, element?: any) {
if (this.value !== this.lastInputValue) {
this.lastInputValue = this.value;
this.callInputEvent({ event, element, component: this });
}
}
/**
* Triggered when a keyboard key is released.
* @param event DOM event
* @param element Element that lost the focus
*/
public keyup(event?: Event, element?: any) {
this.callEvent('keyup', { event, element, component: this });
}
/**
* Triggered when the user presses a key on the keyboard.
* @param event DOM event
* @param element Element that lost the focus
*/
public keydown(event?: Event, element?: any) {
this.callEvent('keydown', { event, element, component: this });
if (!event?.defaultPrevented) {
this.callEvent('afterKeydown', { event, element, component: this });
}
}
private getFormParent() {
let { parent } = this;
while (parent && !(parent instanceof Form)) {
parent = parent.parent;
}
return parent;
}
}
FormatterParserProvider.registerFormatter('ZdInput', (value: any) => value);
FormatterParserProvider.registerParser('ZdInput', (value: any) => value);
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