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'use strict';
const handlebars = require('handlebars');
// fix iterating over NodeList in Chrome and Opera
NodeList.prototype[Symbol.iterator] = Array.prototype[Symbol.iterator];
class BaseView {
constructor() {
this.contentHolder = document.getElementById('content-holder');
}
getTemplate(templatePath) {
const templateElement = document.getElementById(templatePath);
if (!templateElement) {
console.log('Missing template: ' + templatePath);
return null;
}
const templateText = templateElement.innerHTML;
return handlebars.compile(templateText);
}
notifyError(message) {
this.notify(message, 'error');
}
notifySuccess(message) {
this.notify(message, 'success');
}
notify(message, className) {
const messagesHolder = this.contentHolder.querySelector('.messages');
/* TODO: animate this */
const node = document.createElement('div');
node.innerHTML = message;
node.classList.add('message');
node.classList.add(className);
messagesHolder.appendChild(node);
}
clearMessages() {
const messagesHolder = this.contentHolder.querySelector('.messages');
/* TODO: animate that */
while (messagesHolder.lastChild) {
messagesHolder.removeChild(messagesHolder.lastChild);
}
}
decorateValidator(form) {
// postpone showing form fields validity until user actually tries
// to submit it (seeing red/green form w/o doing anything breaks POLA)
const submitButton = form.querySelector('.buttons input');
submitButton.addEventListener('click', e => {
form.classList.add('show-validation');
});
form.addEventListener('submit', e => {
form.classList.remove('show-validation');
});
}
showView(html) {
this.contentHolder.innerHTML = html;
}
}
module.exports = BaseView;
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© 2015 - 2026 Jakob L. Kreuze
