LinkStack/resources/views/layouts/sidebar.blade.php
JulianPrieber 907a3116bb Fixed dark mode not applying on first visit
This 'bug' was caused due to the way the dark mode was applied. The dark mode detection detects the preferred theme style from the client and then saves the preferred type with a cookie, all with JavaScript. Then a simple PHP if-else statement loads either the dark or light mode CSS theme, depending on the cookie.

The problem here was that the cookie would only be detected if the page was refreshed, so once the cookie was set, the dark mode was applied every time without a problem. But the first time a user visited the site and the preferred theme was set to dark mode, the page would still display the white version until the page was refreshed.

Now, I could have changed how the page applies the dark mode, however I decided against that and went with this commit instead.

Now I'm not really experienced with JavaScript at all, so this definitely could have been solved in a more elegant way, but this is what I did:

I added a bit to the JavaScript that sets and reads the cookie. When the page finished loading, a simple if statement is run that requires the following conditions: 
The URL contains a '#' and the color scheme equals 'dark' and the cookie isn't set yet. 
After these conditions are met, '#dark' is added to the URL and the page will be refreshed.

This refresh is only performed without the cookie, thus only refreshing the page on the first visit if the dark mode would be applied.

The '#dark' is only added to the URL to fail the first requirement of the if statement, preventing the page from being reloaded in an infinite loop. Otherwise, the  '#dark' part of the URL fulfills no purpose and only the '#' part is required, so it doesn't even matter what comes after the hash. I just chose this for clarification.

If the dark mode cookie is blocked by the user, the page will be set to light mode and refreshed every time they visit but the '#dark' will still be added to the URL, preventing the infinite refresh-loop.
2022-03-03 10:49:10 +01:00

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<!doctype html>
<html lang="en">
<head>
<title>Studio ⚙️ {{ config('app.name') }}</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<link href="//fonts.googleapis.com/css?family=Poppins:300,400,500,600,700,800,900" rel="stylesheet">
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.4.0/font/bootstrap-icons.css">
<!-- begin dark mode detection -->
<script src="{{ asset('littlelink/js/js.cookie.min.js') }}"></script>
<script>
// code to set the `color_scheme` cookie
var $color_scheme = Cookies.get("color_scheme");
function get_color_scheme() {
return (window.matchMedia && window.matchMedia("(prefers-color-scheme: dark)").matches) ? "dark" : "light";
}
function update_color_scheme() {
Cookies.set("color_scheme", get_color_scheme());
}
// read & compare cookie `color-scheme`
if ((typeof $color_scheme === "undefined") || (get_color_scheme() != $color_scheme))
update_color_scheme();
// detect changes and change the cookie
if (window.matchMedia)
window.matchMedia("(prefers-color-scheme: dark)").addListener( update_color_scheme );
// reloads page to apply the dark mode cookie
window.onload = function() {
if(!window.location.hash && get_color_scheme() == "dark" && (get_color_scheme() != $color_scheme)) {
window.location = window.location + '#dark';
window.location.reload();
}
}
</script>
<?php // loads dark mode CSS if dark mode detected
$color_scheme = isset($_COOKIE["color_scheme"]) ? $_COOKIE["color_scheme"] : false; ?>
@if ($color_scheme == 'dark')
<!-- switch the two <link> Tags below to default to dark mode if cookie detection fails -->
<link rel="stylesheet" href="{{ asset('/studio/css/bootstrap.min-dark.css') }}">
<link rel="stylesheet" href="{{ asset('/studio/css/style-dashboard-dark.css') }}">
@else
<link rel="stylesheet" href="{{ asset('/studio/css/bootstrap.min.css') }}">
<link rel="stylesheet" href="{{ asset('/studio/css/style-dashboard.css') }}">
@endif
<!-- end dark mode detection -->
@if(file_exists(base_path("littlelink/images/avatar.png" )))
<link rel="icon" type="image/png" href="{{ asset('littlelink/images/avatar.png') }}">
@else
<link rel="icon" type="image/svg+xml" href="{{ asset('littlelink/images/logo.svg') }}">
@endif
</head>
<body>
<div class="wrapper d-flex align-items-stretch">
<nav id="sidebar">
<div class="p-4 pt-5">
@if(auth()->user()->role == 'user' || auth()->user()->role == 'vip')
<a href="{{ url('/studio/index') }}">
@elseif(auth()->user()->role == 'admin')
<a href="{{ url('/panel/index') }}">
@endif
@if(file_exists(base_path("littlelink/images/avatar.png" )))
<img class="img logo" src="{{ asset('littlelink/images/avatar.png') }}" srcset="{{ asset('littlelink/images/avatar@2x.png 2x') }}" style="width: 150px;>
@else
<img class="img logo" type="image/svg+xml" src="{{ asset('littlelink/images/logo.svg') }}" style="width:100px;">
@endif
</a>
<ul class="list-unstyled components mb-5">
@if(auth()->user()->role == 'admin')
<ul class="list-unstyled components mb-5">
<li class="active">
<a href="#adminSubmenu" data-toggle="collapse" aria-expanded="false" class="dropdown-toggle">Admin</a>
<ul class="collapse list-unstyled" id="adminSubmenu">
<li>
<a href="{{ url('panel/users/all') }}">Users</a>
</li>
<li>
<a href="{{ url('panel/pages') }}">Pages</a>
</li>
<li>
<a href="{{ url('panel/site') }}">Site</a>
</li>
</ul>
</li>
@endif
<li>
<li class="active">
<a href="{{ url('/studio/add-link') }}">Add Link</a>
</li>
<li>
<a href="{{ url('/studio/links') }}">Links</a>
</li>
<li>
<a href="{{ url('/studio/page') }}">Page</a>
</li>
<li>
<a href="{{ url('/studio/profile') }}">Profile</a>
</li>
<form action="{{ route('logout') }}" method="post">
<input type="hidden" name="_token" value="{{ csrf_token() }}">
<button type="submit" class="buttonLogout">Logout</button>
</form>
</ul>
<div class="footer" style="display:none">
<p>
Copyright &copy; @php echo date('Y'); @endphp <i class="icon-heart" aria-hidden="true"></i> </br>
<a href="/" target="_blank">Home</a> .
<a href="{{ url('') }}/pages/terms" target="_blank">Terms</a> .
<a href="{{ url('') }}/pages/privacy" target="_blank">Privacy</a> .
<a href="{{ url('') }}/pages/contact" target="_blank">Contact</a>
</p>
</div>
</div>
</nav>
<!-- Page Content -->
<div id="content" class="p-4 p-md-5">
<nav class="navbar navbar-expand-lg navbar-light bg-light">
<div class="container-fluid">
<button type="button" id="sidebarCollapse" class="btn btn-primary">
<i class="bi bi-list"></i>
<span class="sr-only">Toggle Menu</span>
</button>
<button class="btn btn-dark d-inline-block d-lg-none ml-auto" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<i class="bi bi-list"></i>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="nav navbar-nav ml-auto">
<li class="nav-item">
<div class="row">
<! #### begin update detection #### >
<?php // Checks if URL exists
try {
function URL_exists(string $url): bool
{
return str_contains(get_headers($url)[0], "200 OK");
}
// Sets $ServerExists to true if URL exists
if (URL_exists("https://littlelink-custom.tru.io/version.json")){
$ServerExists = "true";
}
} catch (exception $e) {
$ServerExists = "false";
}
?>
<! Checks if file version.json exists AND if version.json exists on server to continue (without this PHP will throw ErrorException ) >
@if(file_exists(base_path("version.json")) and $ServerExists == 'true')
<?php // Requests newest version from server and sets it as variable
$Vgit = file_get_contents("https://littlelink-custom.tru.io/version.json");
// Requests current version from the local version file and sets it as variable
$Vlocal = file_get_contents(base_path("version.json"));
?>
<! If user has role admin AND newest GitHub release version is higher than the local one an update notice will be displayed >
@if(auth()->user()->role == 'admin' and $Vgit > $Vlocal)
<a style="color:#007bff" class="nav-link" href="https://littlelink-custom.tru.io/how-to-update.html" target="_blank" title="Click here to learn more about how to update">An update is available</a>
@endif
@endif
<! #### end update detection #### >
<a class="nav-link" href="{{ url('') }}/@<?= Auth::user()->littlelink_name ?>" target="_blank">Watch Page</a>
</div>
</li>
</ul>
</div>
</div>
</nav>
@yield('content')
</div>
</div>
<script src="{{ asset('/studio/js/jquery.min.js') }}"></script>
<script src="{{ asset('/studio/js/popper.js') }}"></script>
<script src="{{ asset('/studio/js/bootstrap.min.js') }}"></script>
<script src="{{ asset('/studio/js/main-dashboard.js') }}"></script>
</body>
</html>