diff --git a/ext_cosmetics.js b/ext_cosmetics.js
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..08c5e0e235372451b2a6b66cdb7747953b08f066 100644
--- a/ext_cosmetics.js
+++ b/ext_cosmetics.js
@@ -0,0 +1,175 @@
+/*
+ * This file is a part of the LinkAhead Project.
+ *
+ * Copyright (C) 2021-2024 IndiScale GmbH <info@indiscale.com>
+ * Copyright (C) 2021 Timm Fitschen <t.fitschen@indiscale.com>
+ * Copyright (C) 2023 Florian Spreckelsen <f.spreckelsen@indiscale.com>
+ * Copyright (C) 2023 Daniel Hornung <d.hornung@indiscale.com>
+ * Copyright (C) 2024 Joscha Schmiedt <joscha@schmiedt.dev>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+"use strict";
+
+/**
+ * Cosmetics module is a collection of small look-and-feel tweaks for the
+ * LinkAhead webui.
+ *
+ * @author Timm Fitschen
+ */
+var cosmetics = new function () {
+
+ /**
+ * Cut-off length of links. When linkify processes the links any href
+ * longer than this will be cut off at the end and "[...]" will be
+ * appended for the link text.
+ */
+ var _link_cut_off_length = 40;
+
+ var _custom_datetime = function () {
+ $('.caosdb-f-property-datetime-value').each(function (index) {
+ if (!($(this).hasClass("caosdb-v-property-datetime-customized"))) {
+ var result = this.innerText.replace(/T/, " ").replace(/\+.*/, "");
+ result = `<span class="caosdb-v-property-datetime-customized-newvalue">${result}</span>`;
+
+ // add class to highlight that this has been customized already
+ $(this).addClass("caosdb-v-property-datetime-customized")
+ $(this).hide();
+ $(this).after(result);
+ }
+ });
+ }
+
+ /**
+ * Remove all the custom datetime elements again, for example when entering the edit mode.
+ */
+ var _custom_datetime_clear = function () {
+ $('.caosdb-v-property-datetime-customized-newvalue').each(function () {
+ $(this).remove();
+ }
+ )
+ }
+
+ /**
+ * Return a string with all occurences of a http(s) url in a given string replaced by <a> elements
+ * @param {string} text - The text to be searched for URLs
+ * @returns {string} text with <a> elements instead of raw links
+ */
+ function linkify_string(text) {
+ // const match_url_regex = /https?:\/\/[^\s]*/g // original
+ // https://regexr.com helps you design regex
+ const match_url_regex = /https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.?[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/g
+
+ return text.replace(match_url_regex, function (href) {
+ var link_text = href;
+ if (_link_cut_off_length > 4 && link_text.length > _link_cut_off_length) {
+ link_text = link_text.substring(0, _link_cut_off_length - 5) + "[...]";
+ }
+
+ return `<a title="Open ${href} in a new tab." target="_blank" class="caosdb-v-property-href-value" href="${href}">${link_text} <i class="bi bi-box-arrow-up-right"></i></a>`;
+ });
+ }
+
+ /**
+ * Turn all URLs in .caosdb-f-property-text-value DOM elements into actual links
+ */
+ var _linkify_all_text_values = function () {
+ $('.caosdb-f-property-text-value').each(function (index) {
+ if (!($(this).hasClass("caosdb-v-property-linkified")) && (/https?:\/\//.test(this.innerText))) {
+ var linkified_text_value = linkify_string(this.innerText);
+ // add class to highlight that this has been linkified already
+ // (see https://gitlab.com/caosdb/caosdb-webui/-/issues/199).
+ $(this).addClass("caosdb-v-property-linkified")
+ $(this).hide();
+ $(this).after(linkified_text_value);
+ }
+ });
+ }
+
+ /**
+ * Convert any substring of a text-value beginning with 'http(s)://' into a
+ * link.
+ *
+ * A listener detects edit-mode changes and previews
+ */
+ var linkify = function () {
+ _linkify_all_text_values();
+
+ // edit-mode-listener
+ document.body.addEventListener(edit_mode.end_edit.type, _linkify_all_text_values, true);
+ // preview listener
+ document.body.addEventListener(preview.previewReadyEvent.type, _linkify_all_text_values, true);
+ }
+
+ /**
+ * Customize datetime formatting.
+ *
+ * A listener detects edit-mode changes and previews
+ */
+ var custom_datetime = function () {
+ _custom_datetime();
+
+ // edit-mode-listener to delete replacement
+ document.body.addEventListener(edit_mode.start_edit.type, _custom_datetime_clear, true);
+ // edit-mode-listener to recreate
+ document.body.addEventListener(edit_mode.end_edit.type, _custom_datetime, true);
+ // preview listener
+ document.body.addEventListener(preview.previewReadyEvent.type, _custom_datetime, true);
+ }
+
+ /**
+ * Prettify double values for display purposes.
+ */
+ const prettify_double_values = () => {
+ $('.caosdb-f-property-double-value').each(function (index) {
+ if (!$(this).hasClass("caosdb-v-property-double-prettified")) {
+ let value = parseFloat(this.innerText);
+ let prettified_value = "";
+
+ if (Math.abs(value) > 1e6 || Math.abs(value) < 1e-6) {
+ // Use scientific notation for very large or very small values
+ prettified_value = value.toExponential(1);
+ } else {
+ // Otherwise, display with up to 12 significant digits
+ prettified_value = value.toPrecision(12).replace(/\.?0+$/, '');
+ }
+
+ $(this).addClass("caosdb-v-property-double-prettified");
+ $(this).hide();
+ $(this).after(`<span class="caosdb-v-property-double-prettified-newvalue">${prettified_value}</span>`);
+ }
+ });
+ };
+
+ this.init = function () {
+ this.custom_datetime = custom_datetime;
+ if ("${BUILD_MODULE_EXT_COSMETICS_CUSTOMDATETIME}" == "ENABLED") {
+ custom_datetime();
+ }
+ this.linkify = linkify;
+ if ("${BUILD_MODULE_EXT_COSMETICS_LINKIFY}" == "ENABLED") {
+ linkify();
+ }
+ this.prettify_double_values = prettify_double_values;
+ if ("${BUILD_MODULE_EXT_COSMETICS_PRETTIFY_DOUBLES}" === "ENABLED") {
+ prettify_double_values();
+ }
+ }
+}
+
+
+$(document).ready(function () {
+ caosdb_modules.register(cosmetics);
+});