salix/front/core/components/snackbar/snackbar.js

151 lines
3.8 KiB
JavaScript

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