Add copy-to-clipboard

_config/site.yml

@@ -38,6 +38,8 @@ semantic_ui_css_url: https://cdn.jsdelivr.net/npm/semantic-ui@2.2.14/dist/semant
 slick_js_url: https://cdn.jsdelivr.net/npm/slick-carousel@1.7.1/slick/slick
 slick_js_url_integrity: "sha384-wBo76R9TGH6DxuCcambHkpxJKY96xJq59OwZONC0A2v0rlNK9Kb75uRdSgxK5j9+"
 slick_css_url: https://cdn.jsdelivr.net/npm/slick-carousel@1.7.1/slick/slick
+clipboard_js_url: https://cdn.jsdelivr.net/npm/clipboard@2.0.11/dist/clipboard
+clipboard_js_url_integrity: "sha256-4XodgW4TwIJuDtf+v6vDJ39FVxI0veC/kSCCmnFp7ck="
 
 jborg_fonts_url: https://static.jboss.org/theme/fonts
 jborg_images_url: https://static.jboss.org/theme/images
@@ -754,6 +756,7 @@ profiles:
     jquery_js_url_integrity: "sha384-VC7EHu0lDzZyFfmjTPJq+DFyIn8TUGAJbEtpXquazFVr00Q/OOx//RjiZ9yU9+9m"
     semantic_ui_js_url_integrity: "sha384-/OCHdyuUZjDPStDj7ti/VaVeGQ4U9HxuJhh0FNfMTf0eO1VeBLAam8EiKCIK+jso"
     slick_js_url_integrity: "sha384-vIgLoBvIiHAJ0ttXa/pf/vpP9JgaN/9dCH6zbhDPEF3H8fvQXE0wHjS/LauoTNF1"
+    clipboard_js_url_integrity: "sha256-ul94Jn0MBOijGuvXhgx/1/wjaJHN3Ud6TH/cGaDrF24="
     base_url: http://0.0.0.0:4242
     news_feed_root_url: https://staging.in.relation.to/feeds
   test:
@@ -764,6 +767,7 @@ profiles:
     jquery_js_url_integrity: "sha384-VC7EHu0lDzZyFfmjTPJq+DFyIn8TUGAJbEtpXquazFVr00Q/OOx//RjiZ9yU9+9m"
     semantic_ui_js_url_integrity: "sha384-/OCHdyuUZjDPStDj7ti/VaVeGQ4U9HxuJhh0FNfMTf0eO1VeBLAam8EiKCIK+jso"
     slick_js_url_integrity: "sha384-vIgLoBvIiHAJ0ttXa/pf/vpP9JgaN/9dCH6zbhDPEF3H8fvQXE0wHjS/LauoTNF1"
+    clipboard_js_url_integrity: "sha256-ul94Jn0MBOijGuvXhgx/1/wjaJHN3Ud6TH/cGaDrF24="
     base_url: http://0.0.0.0:4242
     news_feed_root_url: https://in.relation.to/feeds
   staging:

_layouts/base.html.haml

@@ -58,3 +58,47 @@
             $('body, html').animate({scrollTop:0}, 800);
           });
         });
+
+    :javascript
+       /*
+        * This is an adapted version of https://github.com/quarkusio/quarkusio.github.io/blob/317db07ca629dc331455692d2976ecece95319cd/assets/javascript/copy.js
+        */
+        const codes = document.querySelectorAll('pre.highlight > code');
+        let index = 0;
+        codes.forEach((code) => {
+
+          code.setAttribute("id", "code" + index);
+
+          const block = document.createElement('div');
+          block.className = "tooltip";
+
+          const btn = document.createElement('i');
+          btn.className = "btn-copy ui copy outline icon";
+          btn.setAttribute("data-clipboard-action", "copy");
+          btn.setAttribute("data-clipboard-target", "#code" + index);
+          btn.setAttribute("title", "Copy to clipboard");
+          btn.setAttribute("float-right", "true");
+          code.before(btn);
+
+          const tooltip = document.createElement('div');
+          tooltip.className = "tooltip-text";
+          tooltip.textContent = "Copied!";
+          code.before(tooltip);
+
+          index++;
+        });
+
+        const clipboard = new ClipboardJS('.btn-copy');
+        clipboard.on('success', function (e) {
+          e.clearSelection();
+          e.trigger.className = e.trigger.className.replace("copy outline icon", "check icon");
+          e.trigger.setAttribute("title", "Copied!");
+          e.trigger.nextSibling.classList.toggle("show");
+          e.trigger.blur();
+
+          setTimeout(function () {
+            e.trigger.className = e.trigger.className.replace("check icon", "copy outline icon");
+            e.trigger.setAttribute("title", "Copy to clipboard");
+            e.trigger.nextSibling.classList.toggle("show");
+          }, 1500);
+        });

_partials/head.html.haml

@@ -40,6 +40,7 @@
 %link(href="https://fonts.googleapis.com/css2?family=Inconsolata:wght@400;700&display=swap" rel="stylesheet")
 %script(src="#{site.jquery_js_url}#{site.minified}.js" crossorigin="anonymous" type="text/javascript" integrity="#{site.jquery_js_url_integrity}")
 %script(src="#{site.semantic_ui_js_url}#{site.minified}.js" crossorigin="anonymous" type="text/javascript" integrity="#{site.semantic_ui_js_url_integrity}")
+%script(src="#{site.clipboard_js_url}#{site.minified}.js" crossorigin="anonymous" type="text/javascript" integrity="#{site.clipboard_js_url_integrity}")
 - if real_page.javascripts
   - real_page.javascripts.each do |javascript|
     %script{:src=>javascript, :type=>'text/javascript'}

stylesheets/styles.scss

@@ -1016,3 +1016,71 @@ pre .comment .conum {
 	}
 }
 
+// copy to clipboard:
+
+pre.highlight {
+	position: relative;
+
+	.btn-copy {
+		cursor: pointer;
+		transition: opacity 0.3s ease-in-out;
+		opacity: 0;
+		padding: 2px 6px;
+		position: absolute;
+		right: 0.825rem;
+		top: 0.025rem;
+		background-color: transparent;
+		border: none;
+
+		&:focus {
+			opacity: 0.5;
+		}
+	}
+}
+
+.listingblock {
+	&:hover {
+		.btn-copy {
+			opacity: 0.5;
+		}
+
+		code[data-lang]::before {
+			opacity: 0.5;
+		}
+
+		.tooltip-text.show {
+			opacity: 1;
+		}
+	}
+
+	code[data-lang] {
+		&::before {
+			display: block;
+			content: attr(data-lang) '|';
+			top: .425rem;
+			right: 2.2rem;
+			transition: opacity 0.3s ease-in-out;
+			opacity: 0;
+			position: absolute;
+			font-size: .75em;
+			line-height: 1;
+			text-transform: uppercase;
+			color: inherit;
+		}
+	}
+}
+
+.tooltip-text {
+	display: block;
+	position: absolute;
+	top: 1.5rem;
+	right: 4px;
+	background: #444;
+	color: #fff;
+	padding: 6px 10px;
+	border-radius: 4px;
+	white-space: nowrap;
+	z-index: 1;
+	opacity: 0;
+	font-size: 11px;
+}