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Feature/dark mode #57

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Feature/dark mode #57

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7b67767
First draft to implement dark mode using bootswatch cyborg
adpe Mar 18, 2022
ebec2bc
Adapt cyborg dark theme due main bootstrap-3.3.2 rules
adpe Mar 18, 2022
9a4e25c
Make theme-dark class more explicit on the github logo
adpe Mar 18, 2022
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11 changes: 11 additions & 0 deletions assets/css/bootstrap-cyborg.min.css
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6 changes: 6 additions & 0 deletions assets/css/style.css
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Original file line number Diff line number Diff line change
Expand Up @@ -160,3 +160,9 @@
.mime-part {
padding: 10px;
}

/*************/
/* Dark mode */
#github.theme-dark {
filter: grayscale(1) invert(1);
}
47 changes: 47 additions & 0 deletions assets/js/theme-toggler.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,47 @@
const LOCAL_STORAGE_KEY = 'mailhog-theme';
const LOCAL_STORAGE_DATA = JSON.parse(localStorage.getItem(LOCAL_STORAGE_KEY));

const DARK_THEME_PATH = 'css/bootstrap-cyborg.min.css';
const LIGHT_THEME_PATH = 'css/bootstrap-3.3.2.min.css';

const GITHUB_LOGO = document.getElementById('github');
const DARK_STYLE_LINK = document.getElementById('theme-dark');
const LIGHT_STYLE_LINK = document.getElementById('theme-light');
const THEME_TOGGLER = document.getElementById('theme-toggler');

let isDark = LOCAL_STORAGE_DATA && LOCAL_STORAGE_DATA.isDark;
if (isDark) {
setTheme(isDark)
}

function toggleTheme() {
isDark = !isDark;

setTheme(isDark);
storeTheme(isDark);
}

function storeTheme(isDark) {
localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify({isDark}));
}

function setTheme(isDark) {
title = 'Switch beetwen dark and light mode';
if (isDark) {
GITHUB_LOGO.setAttribute('class', 'theme-dark');

DARK_STYLE_LINK.setAttribute('href', DARK_THEME_PATH);
LIGHT_STYLE_LINK.setAttribute('href', '');

THEME_TOGGLER.innerHTML = '🌙 Dark';
THEME_TOGGLER.setAttribute('title', title + ' (currently dark mode)');
} else {
GITHUB_LOGO.setAttribute('class', '');

DARK_STYLE_LINK.setAttribute('href', '');
LIGHT_STYLE_LINK.setAttribute('href', LIGHT_THEME_PATH);

THEME_TOGGLER.innerHTML = '☀️ Light';
THEME_TOGGLER.setAttribute('title', title + ' (currently light mode)');
}
}
9 changes: 7 additions & 2 deletions assets/templates/layout.html
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,8 @@
<link rel="icon" type="image/png" href="images/hog.png">

<link rel="stylesheet" href="css/jquery-ui-1.10.4-smoothness.css">
<link rel="stylesheet" href="css/bootstrap-3.3.2.min.css">
<link rel="stylesheet" href="css/bootstrap-3.3.2.min.css" id="theme-light">
<link rel="stylesheet" href="" id="theme-dark">
<link rel="stylesheet" href="css/style.css">
</head>
<body ng-controller="MailCtrl" ng-click="keepopen=false">
Expand Down Expand Up @@ -46,9 +47,12 @@
</form>

<ul class="nav navbar-nav navbar-right">
<li>
<a href="javascript:void()" id="theme-toggler" onclick="toggleTheme()" title="Switch beetwen dark and light mode (currently light mode)">☀️ Light</a>
</li>
<li>
<a target="_blank" href="https://github.com/mailhog/MailHog">
<img src="images/github.png" height="16" alt="GitHub"> GitHub
<img id="github" src="images/github.png" height="16" alt="GitHub"> GitHub
</a>
</li>
</ul>
Expand Down Expand Up @@ -144,6 +148,7 @@ <h3>Jim</h3>
<script src="js/filesize-3.1.2.min.js"></script>
<script src="js/strutil.js"></script>
<script src="js/controllers.js"></script>
<script src="js/theme-toggler.js"></script>
<script>
function endsWith(str, suffix) {
return str.indexOf(suffix, str.length - suffix.length) !== -1;
Expand Down