Website/assets/js/akiNavigatorTemplate.js
2020-10-09 20:21:05 +02:00

88 lines
2.5 KiB
JavaScript

'use strict';
class AkiNavigatorTemplate {
constructor(mode) {
this._header = undefined;
this._templates = undefined;
this._routerOutlet = undefined;
this._mode = mode;
this._onExec();
}
_onExec() {
console.log('Navigating using mode:', this._mode);
this._getReferences();
this._getTemplates();
window.addEventListener('hashchange', () => this.displayView(window.location.hash.substr(1)));
if (!window.location.hash) {
this._mode === 'fetch' ? this.displayView('home') : this.displayView('home');
} else {
this.displayView(window.location.hash.substr(1));
}
}
_getReferences() {
this._header = document.querySelector('header');
this._routerOutlet = document.querySelector('#router-outlet');
}
_getTemplates() {
this._templates = [].slice.call(document.getElementsByTagName('template'));
}
_viewModeAction() {
if (this._mode === 'fetch') {
this.fetchView(window.location.hash.substr(1))
} else {
this.setView(window.location.hash.substr(1));
}
}
_removeChildren(element) {
let count = element.childNodes.length;
while (count--) {
element.removeChild(element.lastChild);
}
}
_setView(view) {
const template = this._templates.filter(template => template.id === `template-${view}`)[0];
this._removeChildren(this._routerOutlet);
this._routerOutlet.appendChild(template.content.cloneNode(true));
}
async _fetchView(view) {
const response = await fetch(`templates/${view}.html`);
const text = await response.text();
this._removeChildren(this._routerOutlet);
this._routerOutlet.innerHTML = text; // innerHTML gets the job done.
}
displayView(view) {
if (this._mode === 'fetch') {
this._fetchView(view);
} else {
this._setView(view);
}
const activeLinks = document.querySelectorAll('a[active]');
const newActiveLinks = document.querySelectorAll(`a[href='#${view}']`);
if (activeLinks.length > 0) {
activeLinks.forEach(link => {
link.removeAttribute('active')
});
}
newActiveLinks.forEach(newLink => newLink.setAttribute('active', ''));
// FIXME: history push is fucked rn.
// window.history.pushState(null, `${view}`, `#${view}`);
}
}