2017-08-21 17:59:56 +02:00
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import { getWidthOfInput } from '../lib/utils';
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2017-08-17 14:50:14 +02:00
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/**
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2017-08-21 17:59:56 +02:00
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* Input
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2017-08-17 14:50:14 +02:00
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*/
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export default class Input {
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constructor(instance, element, classNames) {
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this.instance = instance;
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this.element = element;
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this.classNames = classNames;
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2017-08-23 14:23:37 +02:00
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// Bind event listeners
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this.onPaste = this.onPaste.bind(this);
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this.onInput = this.onInput.bind(this);
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}
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addEventListeners() {
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this.element.addEventListener('input', this.onInput);
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this.element.addEventListener('paste', this.onPaste);
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}
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removeEventListeners() {
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this.element.removeEventListener('input', this.onInput);
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this.element.removeEventListener('paste', this.onPaste);
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}
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/**
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* Input event
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* @return
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* @private
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*/
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onInput() {
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if (!this.instance.isSelectOneElement) {
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this.setWidth();
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}
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}
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/**
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* Paste event
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* @param {Object} e Event
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* @return
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* @private
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*/
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onPaste(e) {
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// Disable pasting into the input if option has been set
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if (e.target === this.element && !this.instance.config.paste) {
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e.preventDefault();
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}
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2017-08-17 14:50:14 +02:00
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}
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2017-08-21 09:53:19 +02:00
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/**
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* Set value of input to blank
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* @return {Object} Class instance
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* @public
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*/
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clear(setWidth = true) {
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if (this.element.value) {
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this.element.value = '';
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}
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if (setWidth) {
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2017-08-21 17:59:56 +02:00
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this.setWidth();
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2017-08-21 09:53:19 +02:00
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}
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return this.instance;
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}
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2017-08-21 17:59:56 +02:00
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/**
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* Set the correct input width based on placeholder
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* value or input value
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* @return
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*/
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setWidth() {
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if (this.instance.placeholder) {
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// If there is a placeholder, we only want to set the width of the input when it is a greater
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// length than 75% of the placeholder. This stops the input jumping around.
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if (
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this.element.value &&
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this.element.value.length >= (this.instance.placeholder.length / 1.25)
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) {
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this.element.style.width = getWidthOfInput(this.element);
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}
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} else {
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// If there is no placeholder, resize input to contents
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this.element.style.width = getWidthOfInput(this.element);
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}
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}
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2017-08-17 14:50:14 +02:00
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}
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