mirror of
https://github.com/Theodor-Springmann-Stiftung/hamann-ausgabe-core.git
synced 2025-11-04 12:15:32 +00:00
101 lines
3.9 KiB
Plaintext
101 lines
3.9 KiB
Plaintext
@* Javascript gets inlined because it ain't much (but it's honest work) *@
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@* Only put PRODUCTION JavaScript here *@
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<script>
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const openmenu = function () {
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var x = document.getElementById("ha-topnav");
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if (x !== null) x.className += " ha-topnav-collapsed";
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let oldbutton = document.getElementById("openmenubutton");
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if (oldbutton !== null) oldbutton.setAttribute('class', 'hidden');
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let newbutton = document.getElementById("closemenubutton");
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if (newbutton !== null) newbutton.setAttribute('class', '');
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}
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const closemenu = function () {
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var x = document.getElementById("ha-topnav");
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if (x !== null) x.className = "ha-topnav";
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let oldbutton = document.getElementById("closemenubutton");
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if (oldbutton !== null) oldbutton.setAttribute('class', 'hidden');
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let newbutton = document.getElementById("openmenubutton");
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if (newbutton !== null) newbutton.setAttribute('class', '');
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}
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const markactive_startswith = function (element) {
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// Marks links as active which target URL starts with the current URL
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var all_links = element.getElementsByTagName("a"),
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i = 0, len = all_links.length,
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full_path = location.href.split('#')[0].toLowerCase(); //Ignore hashes
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for (; i < len; i++) {
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if (full_path.startsWith(all_links[i].href.toLowerCase())) {
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all_links[i].className += " active";
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}
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}
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}
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const markactive_exact = function (element) {
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var all_links = element.getElementsByTagName("a"),
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i = 0, len = all_links.length,
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full_path = location.href.split('#')[0].toLowerCase(); //Ignore hashes
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for (; i < len; i++) {
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if (full_path == all_links[i].href.toLowerCase()) {
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all_links[i].className += " active";
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}
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}
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}
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const getLineHeight = function (element) {
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var temp = document.createElement(element.nodeName), ret;
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temp.setAttribute("class", element.className);
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temp.innerHTML = "A";
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element.parentNode.appendChild(temp);
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ret = temp.clientHeight;
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temp.parentNode.removeChild(temp);
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return ret;
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}
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/* TODO: need a resize watcher to undo and reapply the effect on breakpoint */
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const overlappingboxcollapse = function (selector) {
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let boxes = document.querySelectorAll(selector);
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let clientrects = [];
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let lineheight = 1;
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if (boxes.length >= 1) {
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lineheight = getLineHeight(boxes[0]);
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}
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for (element of boxes) {
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clientrects.push([element, element.getBoundingClientRect()]);
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}
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for (var i = 0; i < clientrects.length; i++) {
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if (i < clientrects.length-1) {
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if (clientrects[i][1].bottom >= clientrects[i+1][1].top) {
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let overlap = clientrects[i][1].bottom - clientrects[i+1][1].top;
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let newlength = clientrects[i][1].height - overlap;
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let remainder = newlength % lineheight;
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newlength = newlength - remainder;
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clientrects[i][0].style.height = newlength + 'px';
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clientrects[i][0].style.overflowX = "hidden";
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clientrects[i][0].style.overflowY = "scroll";
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}
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}
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}
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}
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window.addEventListener('load', function() {
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document.getElementById("openmenubutton").addEventListener('click', openmenu);
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document.getElementById("closemenubutton").addEventListener('click', closemenu);
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markactive_startswith(document.getElementById("ha-topnav"));
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markactive_exact(document.getElementById("ha-register-nav"));
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overlappingboxcollapse(".ha-neuzeit .ha-letlinks");
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overlappingboxcollapse(".ha-forschung .ha-letlinks");
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})
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</script> |