151 lines
3.8 KiB
JavaScript
151 lines
3.8 KiB
JavaScript
import ngModule from '../../module';
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import Component from '../../lib/component';
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import './style.scss';
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/**
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* A simple component to show non-obstructive notifications to the user.
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*/
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export default class Controller extends Component {
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constructor($element, $) {
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super($element, $);
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this.snackbar = $element[0].firstChild;
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this.$snackbar = angular.element(this.snackbar);
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}
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/**
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* It creates a new snackbar notification
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* @param {Object} data Snackbar data
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* @return {Object} Created snackbar shape
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*/
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createShape(data) {
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let shape = Object.assign({
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nMessages: 1
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}, data);
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let element = document.createElement('div');
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element.className = 'shape';
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setTimeout(() => element.classList.add('shown'), 30);
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shape.element = element;
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if (shape.type)
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element.classList.add(shape.type);
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let button = document.createElement('button');
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button.addEventListener('click', () => this.onButtonClick(shape));
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element.appendChild(button);
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let buttonText = '✖';
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buttonText = document.createTextNode(buttonText);
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button.appendChild(buttonText);
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let shapeText = document.createElement('div');
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shapeText.setAttribute('class', 'text');
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element.appendChild(shapeText);
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let text = document.createTextNode(shape.message);
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shapeText.appendChild(text);
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let chip = document.createElement('vn-chip');
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chip.className = 'warning small';
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chip.style.visibility = 'hidden';
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let chipWrapper = document.createElement('div');
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chip.append(chipWrapper);
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let span = document.createElement('span');
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chipWrapper.append(span);
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let chipText = document.createTextNode(shape.nMessages);
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span.append(chipText);
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shapeText.appendChild(chip);
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let parent = this.snackbar.querySelector('.shape');
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if (parent)
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this.snackbar.insertBefore(element, parent);
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else
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this.snackbar.appendChild(element);
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return shape;
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}
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/**
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* Shows a notification.
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*
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* @param {Object} data The message data
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*/
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show(data) {
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let shape = this.lastShape;
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const isEqual = shape
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&& shape.type == data.type
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&& shape.message == data.message;
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if (isEqual) {
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shape.nMessages++;
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const chip = shape.element.querySelector('.text vn-chip');
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chip.style.visibility = 'visible';
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const span = chip.querySelector('span');
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span.innerHTML = shape.nMessages;
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} else
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shape = this.createShape(data);
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clearTimeout(shape.hideTimeout);
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shape.hideTimeout = setTimeout(
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() => this.hide(shape), shape.timeout || 5000);
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this.lastShape = shape;
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}
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/**
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* Shows an error.
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*
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* @param {Object} data The message data
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*/
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showError(data) {
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data.type = 'error';
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this.show(data);
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}
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/**
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* Shows a success.
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*
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* @param {Object} data The message data
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*/
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showSuccess(data) {
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data.type = 'success';
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this.show(data);
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}
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/**
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* Hides the snackbar.
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* @param {Object} shape Snackbar element
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*/
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hide(shape) {
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if (this.lastShape == shape)
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this.lastShape = null;
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shape.element.classList.remove('shown');
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setTimeout(() => shape.element.remove(), 250);
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}
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onSnackbarClick(event) {
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this.event = event;
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}
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onButtonClick(shape) {
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if (shape.actionHandler)
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shape.actionHandler();
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else
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this.hide(shape);
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}
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}
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ngModule.vnComponent('vnSnackbar', {
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template: require('./snackbar.html'),
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controller: Controller
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});
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