Hello all,
– I open this topic for more clarity in agreement with @phenomlab 
– Here the old topic for reference:
– This JS and CSS script creates a button on the navbar allowing you to switch between different CSS style sheets.
– This allows you to offer several themes to your users without going through the tedious and poorly documented bootstrap method on the NodeBB forum.
– Note that your CSS stylesheets do not overide the code on ACP/custom CSS/ panel. They are in addition.
– Here is the Javascript code with comments in English and French.
️ Adapt the code to your architecture (Path and files names)
// ------------------------------------------
// Theme Switcher
// ------------------------------------------
//We generate a random character string to assign a version number to the CSS file.
// On génère une chaine de caractère aléatoire pour affecter un numéro de version au fichier CSS.
function generateRandomString(length) {
var text = "";
var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
for (var i = 0; i < length; i++) {
text += possible.charAt(Math.floor(Math.random() * possible.length));
}
return text;
}
$(document).ready(function ()
{
var string = generateRandomString(10);
$("#random_string").text(string);
// This variable gets the theme ID
// Cette variable obtient l'ID du thème
var whichTheme = localStorage.getItem("theme");
// This variable gets the active theme's actual URL
//Cette variable obtient l'URL réelle du thème actif
var activeTheme = localStorage.getItem("activeTheme");
// This variable appends the dropdown list to the existing panel
// Cette variable ajoute la liste déroulante au panneau existant
var panel = $('<li id="switcher" class="dropdown text-center"> \
<label for="theme-control-list-check" class="dropdown-toggle" data-toggle="dropdown" id="theme_dropdown" title="" role="button" data-original-title="Theme" aria-expanded="false"> \
<a class="btn-link" title="Theme Switcher" href="#"><i id="ticon" class="fa fa-fw fa-lightbulb-o"></i><span class="visible-xs-inline">Theme Switcher</span></a> \
</label> \
<ul id="theme" class="dropdown-menu"> \
<li><a id="default" href="#" rel="/assets/client.css?v=e02phpkima0">Default</a></li> \
<li><a id="default dark" href="#" rel="/assets/customcss/default_dark.css">Default Dark</a></li> \
<li><a id="Light Flat" href="#" rel="/assets/customcss/flat_light.css">Flat Light </a></li> \
<li><a id="Light Flat Dark" href="#" rel="/assets/customcss/flat_dark.css">Flat Dark</a></li> \
<li><a id="Dark Neon Aqua" href="#" rel="/assets/customcss/dark_neon_aqua.css">Dark Neon Aqua</a></li> \
<li><a id="Dark Neon Blue" href="#" rel="/assets/customcss/dark_neon_blue.css">Dark Neon Blue</a></li> \
<li><a id="Dark Neon Green" href="#" rel="/assets/customcss/dark_neon_green.css">Dark Neon Green</a></li> \
<li><a id="Dark Neon Solary" href="#" rel="/assets/customcss/dark_neon_solary.css">Dark Neon Solary</a></li> \
<li><a id="Dark Neon White" href="#" rel="/assets/customcss/dark_neon_white.css"">Dark Neon White</a></li> \
<li><a id="Eva 00" href="#" rel="/assets/customcss/eva_00.css">Eva.00</a></li> \
<li><a id="Eva 01" href="#" rel="/assets/customcss/eva_01.css">Eva.01</a></li> \
<li><a id="Eva 01 Purple Green"href="#" rel="/assets/customcss/eva_01_purple_green.css">Eva.01: Purple-Green</a></li> \
<li><a id="Eva 02" href="#" rel="/assets/customcss/eva_02.css">Eva.02: Red-Orange</a></li> \
</ul> \
</div>
');
// See if there is an active theme selected in localStorage. If none selected, use the default. If there is a theme in localStorage, use that and apply it
// Regarde s'il y a un thème actif sélectionné dans "localStorage". Si aucun n'est sélectionné, utilise la valeur par défaut.
// S'il y a un thème dans localStorage, on l'utilise et on l'applique.
if (whichTheme)
{
$("head").append("<link href='" + activeTheme + '?version=' + string + "' type=\"text/css\" rel=\'stylesheet\' />");
}
else
{
// No need to include anything here as there's no CSS to add.
// Pas besoin d'inclure quoi que ce soit ici car il n'y a pas de CSS à ajouter.
}
$('ul#logged-in-menu').prepend(panel);
$('ul#logged-out-menu').prepend(panel);
if (utils.findBootstrapEnvironment() === 'xs')
{
$('#menu').prepend(panel);
}
$(document).ready(function () {
// Listen to the NAV dropdown for any changes
// Écoute la liste déroulante NAV pour tout changement de thème
$("#theme li a").on("click change", function ()
{
// If we detect a change, append the selected CSS file into the DOM
// Si un changement est détecté, on ajoute le fichier CSS sélectionné dans le DOM (Document Object Model)
var thishref = $(this).attr('rel');
$("link[rel=stylesheet]").attr('href' , thishref + "?version=" + string + "");
//location.reload();
//$("head").append("<link href='" + $(this).attr("rel") + $(this).attr("id") + " type=\'text/css\' rel=\'stylesheet\' />");
location.reload();
// This variable stores the selected theme ID
// Cette variable stocke l'ID du thème sélectionné
var selected = $(this).attr("id");
// This variable stores the selected theme link
// Cette variable stocke le lien du thème sélectionné
var theTheme = $(this).attr("rel");
// This variable updates the selected theme ID
// See if "default" has been selected. If it has, then...
// Cette variable met à jour l'ID du thème sélectionné
// Regarde si "default" a été sélectionné. Si c'est le cas, alors...
if (selected === 'default')
{
localStorage.setItem("theme", "");
// This variable will strip the current appeneded theme ID
// Cette variable supprimera l'ID du thème actuellement ajouté
localStorage.setItem("activeTheme", "");
// This variable will strip the current appeneded theme URL (HREF)
// Finally, we have to reload the page to effect the changes
// Cette variable supprimera l'URL actuelle du thème ajouté (HREF)
// Enfin, on recharge la page pour effectuer les modifications
location.reload();
}
// If any other theme is selected, carry on as normnal, and update localStorage
// Si un autre thème est sélectionné, continuez normalement et mettez à jour localStorage
else
{
localStorage.setItem("theme", selected);
// This variable updates the actual href of the CSS file
// Cette variable met à jour le href réel du fichier CSS
localStorage.setItem("activeTheme", theTheme);
//window.location.href = window.location.href
}
// We use return false to prevent the browser from reloading or following any HREF links
// On utilise la fonction "return false" pour empêcher le navigateur de recharger ou de suivre les liens HREF
//return false;
});
});
});
// When hovering over the #switcher element, target the i class and add 'themeoff'
// Lorsque du survol de l'élément #switcher, on cible la classe CSS "i" et on ajoute le CSS "themeoff"
$(document).on('mouseenter','#switcher', function() {
$('#switcher i').addClass("themeoff");
});
// When leaving the however state, target the i class and remove 'themeoff'
// Lorsque l'on quitte l'état, on cible la classe CSS "i" et on supprime le CSS "themeoff"
$(document).on('mouseleave','#switcher', function() {
$('#switcher i').removeClass("themeoff");
});
– Here is the CSS code to put on NodeBB ACP/CustomCSS panel.
– It’s a base adapted to my forum, it’s up to you to adapt it to yours if certain things do not suit you.
– Code with comments with English Traduction.
/*----------------------------------------------------------------------------*/
/*---------------------- Themes Switcher -----------------------*/
/*----------------------------------------------------------------------------*/
/* Works with CUSTOM JS */
/* DON'T DELETE - DON'T MOVE */
/* -- */
/* Fonctionne avec du CUSTOM JS */
/* NE PAS SUPPRIMER - NE PAS DEPLACER */
/*Desktop*/
/*Allows to have the "Theme Switcher" icon in black after a mouse click and during the dropdown */
/*Permet d'avoir l'icone du "Theme Switcher" en noir après un clic souris et lors du dropdown */
[aria-expanded="true"] a #ticon {
color: #000000;
}
/*Theme Switcher icon color via CUSTOM JAVASCRIPT */
/* Blank without mouse over */
/*Couleur de l'icone du Theme Switcher via le CUSTOM JAVASCRIPT */
/* Blanc sans mouse over*/
.themeon {
color: #ffffff !important;
}
/*Black with mouseover*/
/*Noir avec mouse over*/
.themeoff {
color: #000000 !important;
}
/*Smartphone*/
@media all and (max-width: 1024px)
{
/*BUGFIX: Placement of the "Theme Switcher" */
/*BUGFIX: Placement du "Theme Switcher" */
#switcher {
list-style: none;
margin-left: -80px;
padding-top: 15px;
}
/*BUGFIX: Space between the icon and the text "Theme Switcher" */
/*BUGFIX: Espace entre l'icone et le texte "Theme Switcher" */
#switcher .fa-fw {
text-align: center;
width: 1.25em;
padding-right: 25px;
}
/* DON'T DELETE - DON'T MOVE */
/*Allows to have the "Theme Switcher" icon in white after a mouse click and during the dropdown */
/* NE PAS SUPPRIMER - NE PAS DEPLACER */
/*Permet d'avoir l'icone du "Theme Switcher" en blanc après un clic souris et lors du dropdown */
[aria-expanded="true"] a #ticon {
color: #ffffff;
}
/*Theme Switcher icon color via CUSTOM JAVASCRIPT */
/* Blank without mouse over */
/*Couleur de l'icone du Theme Switcher via le CUSTOM JAVASCRIPT */
/* Blanc sans mouse over*/
.themeoff {
color: #ffffff !important;
}
}
/*FIREFOX BUGFIX: Remove dotted border from icon when clicked */
/*BUGFIX FIREFOX: Suppression de la bordure pointillée de l'icône quand on clique dessus */
/*Desktop*/
a:focus {
outline:0;
}
/*Smartphone*/
@media all and (max-width: 1024px)
{
a:focus {
outline:0;
}
}
/* Desktop */
/*Button Position */
/*Position du Bouton */
.header #theme_dropdown {
/*padding: 9px 15px;*/
padding: 9px 15px;
padding-top: 9px;
padding-bottom: 9px;
margin-top: -4px;
padding-top: 15px;
padding-bottom: 14px;
}
/* ---- Appearance of the "Theme Switcher" icon in the navbar via Font Awesome (!!Change the CSS class also in the JS!!) ----*/
/*Ampule*/
/* ---- Apparence de l'icône du "Theme Switcher" dans la navbar via Font Awesome (!!Changer la class CSS aussi dans le JS!!) ----*/
/*Ampoule*/
.fa.fa-lightbulb-o:before {
content: "\f0eb";
}
/*Navbar height to play with background height */
/*Hauteur navbar pour jouer avec la hauteur du background */
.navbar-default {
height: 51px;
}
/*Spacing between "Search" and "Notifications" icons */
/*Espacement entre les icônes "Recherche" et "Notifications" */
#switcher {
margin-top: 4px;
}
/*We remove the background on the icon */
/*On supprime le background sur l'icone */
#switcher .btn-link:hover {
background: none !important;
}
/*Background color on mouseover (Default Theme) */
/*Couleur du background au survol souris (Default Theme) */
.navbar-default .navbar-nav>li>label:hover {
background: #eeeeee;
}
/*Appearance of selection menu */
/*Apparence du menu de sélection */
#theme.dropdown-menu {
position: absolute;
top: 44px;
right: 0px;
z-index: 1000;
float: left;
min-width: 160px;
padding: 5px 0;
margin: 2px 0 0;
list-style: none;
font-size: 14px;
text-align: left;
background-clip: padding-box;
}
/* Smartphone */
/*Appearance of button and drop-down menu on Smartphone */
/*Apparence du bouton et du menu déroulant sur Smartphone */
@media all and (max-width: 1024px)
{
/*Dropdown menu text color */
/*Couleur du texte du menu déroulant */
#theme.dropdown-menu>li>a {
display: block;
padding: 3px 20px;
clear: both;
font-weight: 400;
line-height: 1.42857143;
color: #fff;
white-space: nowrap;
background: #3A3C41;
}
/*Appearance and position of button and drop-down menu */
/*Apparence et position du bouton et du menu déroulant */
#theme.dropdown-menu {
position: fixed;
top: 140px;
left: 15px;
z-index: 1000;
float: left;
min-width: 185px;
padding: 5px 0;
margin: 2px 0 0;
list-style: none;
font-size: 14px;
text-align: left;
/* background-clip: padding-box; */
color: #fff;
background: #3A3C41;
width: 60px; /* VIOLENCE: Largeur */
border: 1px solid black;
}
/*Text color and button background when selected */
/*Couleur du texte et background du bouton lors de la selection */
.btn-link:focus, .btn-link:hover {
/*color: #23527c;*/
color: lightgrey;
text-decoration: underline;
background-color: transparent;
}
/*We remove the white bars at the top and bottom of the button on Smartphone */
/*On supprime les barres blanches en haut et en bas du bouton sur Smartphone */
.navbar-form {
left: 20px;
box-shadow: none;
list-style: none;
}
}
PW and WS Spirit alive
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@DownPW said in [NodeBB] [JS SCRIPT/CSS] Theme Switcher:
How do I know the path names and files?
– Firstly, you must have created your CUSTOM CSS files who correspond to your themes.
1 CSS file = 1 theme
– The CSS files that you will have created before with your CUSTOM CSS code inside, must be uploaded to your server in the public directory of NodeBB with subdirectory if you want or not :
/home/YOUR_USER/PATH_TO_YOUR_NODEBB_DIRECTORY\public
That path correspond to :
https://yourdomain.com/assets
And Like that, for example:
<li><a id="default" href="#" rel="/assets/client.css?v=e02phpkima0">Default</a></li> \
<li><a id="default dark" href="#" rel="/assets/customcss/default_dark.css">Default Dark</a></li> \
<li><a id="Light Flat" href="#" rel="/assets/customcss/flat_light.css">Flat Light </a></li> \
<li><a id="Light Flat Dark" href="#" rel="/assets/customcss/flat_dark.css">Flat Dark</a></li> \
<li><a id="Dark Neon Aqua" href="#" rel="/assets/customcss/dark_neon_aqua.css">Dark Neon Aqua</a></li> \
<li><a id="Dark Neon Blue" href="#" rel="/assets/customcss/dark_neon_blue.css">Dark Neon Blue</a></li> \
<li><a id="Dark Neon Green" href="#" rel="/assets/customcss/dark_neon_green.css">Dark Neon Green</a></li> \
<li><a id="Dark Neon Solary" href="#" rel="/assets/customcss/dark_neon_solary.css">Dark Neon Solary</a></li> \
<li><a id="Dark Neon White" href="#" rel="/assets/customcss/dark_neon_white.css"">Dark Neon White</a></li> \
<li><a id="Eva 00" href="#" rel="/assets/customcss/eva_00.css">Eva.00</a></li> \
<li><a id="Eva 01" href="#" rel="/assets/customcss/eva_01.css">Eva.01</a></li> \
<li><a id="Eva 01 Purple Green"href="#" rel="/assets/customcss/eva_01_purple_green.css">Eva.01: Purple-Green</a></li> \
<li><a id="Eva 02" href="#" rel="/assets/customcss/eva_02.css">Eva.02: Red-Orange</a></li> \
That why you must adapt the code of JS Script to your architecture (Path and CUSTOM CSS files names)
PW and WS Spirit alive
@DownPW where did this line come from ? This isn’t in the original code
</.fal.fa-layer-group-oli>
That should be just
</li>
Exact, it’s a shell/error
Can you delete it on the first post and my answer ?
PW and WS Spirit alive
@DownPW modified to reflect correct value
you forget first topic Mark 
PW and WS Spirit alive
@DownPW done
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