Toggle logo based on light/dark

NUSGreyhats · Nov 19, 2023 · 6d20e59 · 6d20e59
1 parent a4e898d
commit 6d20e59
Show file tree

Hide file tree

Showing 2 changed files with 293 additions and 0 deletions.
diff --git a/layouts/partials/footer.html b/layouts/partials/footer.html
@@ -0,0 +1,137 @@
+{{- if not (.Param "hideFooter") }}
+<footer class="footer">
+    {{- if site.Copyright }}
+    <span>{{ site.Copyright | markdownify }}</span>
+    {{- else }}
+    <span>&copy; {{ now.Year }} <a href="{{ "" | absLangURL }}">{{ site.Title }}</a></span>
+    {{- end }}
+    <span>
+        Powered by
+        <a href="https://gohugo.io/" rel="noopener noreferrer" target="_blank">Hugo</a> &
+        <a href="https://github.com/adityatelange/hugo-PaperMod/" rel="noopener" target="_blank">PaperMod</a>
+    </span>
+</footer>
+{{- end }}
+
+{{- if (not site.Params.disableScrollToTop) }}
+<a href="#top" aria-label="go to top" title="Go to Top (Alt + G)" class="top-link" id="top-link" accesskey="g">
+    <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 12 6" fill="currentColor">
+        <path d="M12 6H0l6-6z" />
+    </svg>
+</a>
+{{- end }}
+
+{{- partial "extend_footer.html" . }}
+
+<script>
+    let menu = document.getElementById('menu')
+    if (menu) {
+        menu.scrollLeft = localStorage.getItem("menu-scroll-position");
+        menu.onscroll = function () {
+            localStorage.setItem("menu-scroll-position", menu.scrollLeft);
+        }
+    }
+
+    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
+        anchor.addEventListener("click", function (e) {
+            e.preventDefault();
+            var id = this.getAttribute("href").substr(1);
+            if (!window.matchMedia('(prefers-reduced-motion: reduce)').matches) {
+                document.querySelector(`[id='${decodeURIComponent(id)}']`).scrollIntoView({
+                    behavior: "smooth"
+                });
+            } else {
+                document.querySelector(`[id='${decodeURIComponent(id)}']`).scrollIntoView();
+            }
+            if (id === "top") {
+                history.replaceState(null, null, " ");
+            } else {
+                history.pushState(null, null, `#${id}`);
+            }
+        });
+    });
+
+</script>
+
+{{- if (not site.Params.disableScrollToTop) }}
+<script>
+    var mybutton = document.getElementById("top-link");
+    window.onscroll = function () {
+        if (document.body.scrollTop > 800 || document.documentElement.scrollTop > 800) {
+            mybutton.style.visibility = "visible";
+            mybutton.style.opacity = "1";
+        } else {
+            mybutton.style.visibility = "hidden";
+            mybutton.style.opacity = "0";
+        }
+    };
+
+</script>
+{{- end }}
+
+{{- if (not site.Params.disableThemeToggle) }}
+<script>
+    document.getElementById("theme-toggle").addEventListener("click", () => {
+        if (document.body.className.includes("dark")) {
+            document.body.classList.remove('dark');
+            localStorage.setItem("pref-theme", 'light');
+	    document.getElementById("logo").src = "/greyhats.png"
+        } else {
+            document.body.classList.add('dark');
+            localStorage.setItem("pref-theme", 'dark');
+	    document.getElementById("logo").src = "/greyhats-dark.png"
+        }
+    })
+
+</script>
+{{- end }}
+
+{{- if (and (eq .Kind "page") (ne .Layout "archives") (ne .Layout "search") (.Param "ShowCodeCopyButtons")) }}
+<script>
+    document.querySelectorAll('pre > code').forEach((codeblock) => {
+        const container = codeblock.parentNode.parentNode;
+
+        const copybutton = document.createElement('button');
+        copybutton.classList.add('copy-code');
+        copybutton.innerHTML = '{{- i18n "code_copy" | default "copy" }}';
+
+        function copyingDone() {
+            copybutton.innerHTML = '{{- i18n "code_copied" | default "copied!" }}';
+            setTimeout(() => {
+                copybutton.innerHTML = '{{- i18n "code_copy" | default "copy" }}';
+            }, 2000);
+        }
+
+        copybutton.addEventListener('click', (cb) => {
+            if ('clipboard' in navigator) {
+                navigator.clipboard.writeText(codeblock.textContent);
+                copyingDone();
+                return;
+            }
+
+            const range = document.createRange();
+            range.selectNodeContents(codeblock);
+            const selection = window.getSelection();
+            selection.removeAllRanges();
+            selection.addRange(range);
+            try {
+                document.execCommand('copy');
+                copyingDone();
+            } catch (e) { };
+            selection.removeRange(range);
+        });
+
+        if (container.classList.contains("highlight")) {
+            container.appendChild(copybutton);
+        } else if (container.parentNode.firstChild == container) {
+            // td containing LineNos
+        } else if (codeblock.parentNode.parentNode.parentNode.parentNode.parentNode.nodeName == "TABLE") {
+            // table containing LineNos and code
+            codeblock.parentNode.parentNode.parentNode.parentNode.parentNode.appendChild(copybutton);
+        } else {
+            // code blocks not having highlight as parent class
+            codeblock.parentNode.appendChild(copybutton);
+        }
+    });
+</script>
+{{- end }}
diff --git a/layouts/partials/header.html b/layouts/partials/header.html
@@ -0,0 +1,156 @@
+{{- /* theme-toggle is enabled */}}
+{{- if (not site.Params.disableThemeToggle) }}
+{{- /* theme is light */}}
+{{- if (eq site.Params.defaultTheme "light") }}
+<script>
+    if (localStorage.getItem("pref-theme") === "dark") {
+        document.body.classList.add('dark');
+    }
+
+</script>
+{{- /* theme is dark */}}
+{{- else if (eq site.Params.defaultTheme "dark") }}
+<script>
+    if (localStorage.getItem("pref-theme") === "light") {
+        document.body.classList.remove('dark')
+    }
+
+</script>
+{{- else }}
+{{- /* theme is auto */}}
+<script>
+    if (localStorage.getItem("pref-theme") === "dark") {
+        document.body.classList.add('dark');
+    } else if (localStorage.getItem("pref-theme") === "light") {
+        document.body.classList.remove('dark')
+    } else if (window.matchMedia('(prefers-color-scheme: dark)').matches) {
+        document.body.classList.add('dark');
+    }
+
+</script>
+{{- end }}
+{{- /* theme-toggle is disabled and theme is auto */}}
+{{- else if (and (ne site.Params.defaultTheme "light") (ne site.Params.defaultTheme "dark"))}}
+<script>
+    if (window.matchMedia('(prefers-color-scheme: dark)').matches) {
+        document.body.classList.add('dark');
+    }
+
+</script>
+{{- end }}
+
+<header class="header">
+    <nav class="nav">
+        <div class="logo">
+            {{- $label_text := (site.Params.label.text | default site.Title) }}
+            {{- if site.Title }}
+            <a href="{{ "" | absLangURL }}" accesskey="h" title="{{ $label_text }} (Alt + H)">
+                {{- if site.Params.label.icon }}
+                {{- $img := resources.Get site.Params.label.icon }}
+                {{- if $img }}
+                    {{- $processableFormats := (slice "jpg" "jpeg" "png" "tif" "bmp" "gif") -}}
+                    {{- if hugo.IsExtended -}}
+                        {{- $processableFormats = $processableFormats | append "webp" -}}
+                    {{- end -}}
+                    {{- $prod := (hugo.IsProduction | or (eq site.Params.env "production")) }}
+                    {{- if and (in $processableFormats $img.MediaType.SubType) (eq $prod true)}}
+                        {{- if site.Params.label.iconHeight }}
+                            {{- $img = $img.Resize (printf "x%d" site.Params.label.iconHeight) }}
+                        {{ else }}
+                            {{- $img = $img.Resize "x30" }}
+                        {{- end }}
+                    {{- end }}
+                    <img src="{{ $img.Permalink }}" alt="" aria-label="logo"
+                        height="{{- site.Params.label.iconHeight | default "30" -}}">
+                {{- else }}
+                <img src="{{- site.Params.label.icon | absURL -}}" alt="" aria-label="logo" id="logo"
+                    height="{{- site.Params.label.iconHeight | default "30" -}}">
+		<script>
+			if (localStorage.getItem("pref-theme") === "light") {
+				document.getElementById("logo").src = "/greyhats.png"
+			} else {
+				document.getElementById("logo").src = "/greyhats-dark.png"
+			}
+		</script>
+                {{- end -}}
+                {{- else if hasPrefix site.Params.label.iconSVG "<svg" }}
+                    {{ site.Params.label.iconSVG | safeHTML }}
+                {{- end -}}
+                {{- $label_text -}}
+            </a>
+            {{- end }}
+            <div class="logo-switches">
+                {{- if (not site.Params.disableThemeToggle) }}
+                <button id="theme-toggle" accesskey="t" title="(Alt + T)">
+                    <svg id="moon" xmlns="http://www.w3.org/2000/svg" width="24" height="18" viewBox="0 0 24 24"
+                        fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"
+                        stroke-linejoin="round">
+                        <path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"></path>
+                    </svg>
+                    <svg id="sun" xmlns="http://www.w3.org/2000/svg" width="24" height="18" viewBox="0 0 24 24"
+                        fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round"
+                        stroke-linejoin="round">
+                        <circle cx="12" cy="12" r="5"></circle>
+                        <line x1="12" y1="1" x2="12" y2="3"></line>
+                        <line x1="12" y1="21" x2="12" y2="23"></line>
+                        <line x1="4.22" y1="4.22" x2="5.64" y2="5.64"></line>
+                        <line x1="18.36" y1="18.36" x2="19.78" y2="19.78"></line>
+                        <line x1="1" y1="12" x2="3" y2="12"></line>
+                        <line x1="21" y1="12" x2="23" y2="12"></line>
+                        <line x1="4.22" y1="19.78" x2="5.64" y2="18.36"></line>
+                        <line x1="18.36" y1="5.64" x2="19.78" y2="4.22"></line>
+                    </svg>
+                </button>
+                {{- end }}
+
+                {{- $lang := .Lang}}
+                {{- $separator := or $label_text (not site.Params.disableThemeToggle)}}
+                {{- with site.Home.AllTranslations }}
+                <ul class="lang-switch">
+                    {{- if $separator }}<li>|</li>{{ end }}
+                    {{- range . -}}
+                    {{- if ne $lang .Lang }}
+                    <li>
+                        <a href="{{- .Permalink -}}" title="{{ .Language.Params.languageAltTitle | default (.Language.LanguageName | emojify) | default (.Lang | title) }}"
+                            aria-label="{{ .Language.LanguageName | default (.Lang | title) }}">
+                            {{- if (and site.Params.displayFullLangName (.Language.LanguageName)) }}
+                            {{- .Language.LanguageName | emojify -}}
+                            {{- else }}
+                            {{- .Lang | title -}}
+                            {{- end -}}
+                        </a>
+                    </li>
+                    {{- end -}}
+                    {{- end}}
+                </ul>
+                {{- end }}
+            </div>
+        </div>
+        {{- $currentPage := . }}
+        <ul id="menu">
+            {{- range site.Menus.main }}
+            {{- $menu_item_url := (cond (strings.HasSuffix .URL "/") .URL (printf "%s/" .URL) ) | absLangURL }}
+            {{- $page_url:= $currentPage.Permalink | absLangURL }}
+            {{- $is_search := eq (site.GetPage .KeyName).Layout `search` }}
+            <li>
+                <a href="{{ .URL | absLangURL }}" title="{{ .Title | default .Name }} {{- cond $is_search (" (Alt + /)" | safeHTMLAttr) ("" | safeHTMLAttr ) }}"
+                {{- cond $is_search (" accesskey=/" | safeHTMLAttr) ("" | safeHTMLAttr ) }}>
+                    <span {{- if eq $menu_item_url $page_url }} class="active" {{- end }}>
+                        {{- .Pre }}
+                        {{- .Name -}}
+                        {{ .Post -}}
+                    </span>
+                    {{- if (findRE "://" .URL) }}&nbsp;
+                    <svg fill="none" shape-rendering="geometricPrecision" stroke="currentColor" stroke-linecap="round"
+                        stroke-linejoin="round" stroke-width="2.5" viewBox="0 0 24 24" height="12" width="12">
+                        <path d="M18 13v6a2 2 0 01-2 2H5a2 2 0 01-2-2V8a2 2 0 012-2h6"></path>
+                        <path d="M15 3h6v6"></path>
+                        <path d="M10 14L21 3"></path>
+                    </svg>
+                    {{- end }}
+                </a>
+            </li>
+            {{- end }}
+        </ul>
+    </nav>
+</header>