Make sidenotes more resilient to dynamic changes
This commit is contained in:
Michal Jirku
parent
d41b866d94
commit
18d9e4a764
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@ -11,6 +11,11 @@
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* ---
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*
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* Changelog:
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* - 2020-12-26, Michal Jirku
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* - switch to resizing (rather than removing and re-initializing)
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* - run resize triggers via setInterval and from resize/font hooks
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* - setInterval finally fixes iOS sizing issues for stlviewer
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* - remove bunch of "global" vars
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* - 2020-11-23, Michal Jirku
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* - make sidenotes flexible width
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* - make sidenotes not overlap one another
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@ -21,87 +26,97 @@
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*
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*/
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(function () {
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function showSidenote(index, sup, ww, $fnli, minh) {
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function showSidenote(index, sup, fnli, prev) {
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// construct sidenote div
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let content = $fnli.eq(index).html();
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let div = $(document.createElement('div'));
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div.html("<span class=\"sidenote-header\">" + (index+1) + ". </span>" +
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content);
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let content = fnli.eq(index).html();
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let div = $(document.createElement("div"));
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div.html("<span class=\"sidenote-header\">" + (index+1) + ". </span>" + content);
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div.addClass("sidenote");
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let position = sup.offset();
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div.css({
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position: "absolute",
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left: ww,
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top: minh > position["top"] ? minh : position["top"],
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'min-width': ww > 420 ? ww/4 : ww/3,
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'max-width': ww/3,
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});
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let sizeit = function() {
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let ww = $("main").outerWidth() + $("main").offset().left;
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let position = sup.offset();
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let minh = 0;
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if (prev != null) {
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minh = prev.position().top + prev.height() + 5;
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}
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if (ww > 420) {
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sup.hover(function() {
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div.addClass("sidenote-hover");
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}, function () {
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div.removeClass("sidenote-hover");
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div.css({
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"position": "absolute",
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"left": ww,
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"top": minh > position["top"] ? minh : position["top"],
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"min-width": ww > 420 ? ww/4 : ww/3,
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"max-width": ww/3,
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});
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} else {
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div.addClass("sidenote-hover");
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}
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// console.log("props " + ww + " fn: " + $fnli.text());
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if (ww > 420) {
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if (div.hasClass("sidenote-perma-hover")) {
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div.removeClass("sidenote-hover");
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div.removeClass("sidenote-perma-hover");
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}
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sup.hover(function() {
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div.addClass("sidenote-hover");
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}, function () {
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div.removeClass("sidenote-hover");
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});
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} else {
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div.addClass("sidenote-hover");
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div.addClass("sidenote-perma-hover");
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}
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};
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sizeit();
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div.data("sizing-func", sizeit); // called from hooks
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setInterval(sizeit, 3000); // last resort, but also fix for dynamic pages
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$(document.body).append(div);
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// console.log("sidenote: " + index + " top: " + div.position().top + " height: " + div.height());
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return div.position().top + div.height() + 5;
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}
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function loadSidenotes(ww, $fnli, fncount, $fn) {
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let minh = 0;
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// kramdown
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$("sup[role='doc-noteref']").each(function(index, el) {
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minh = showSidenote(el.textContent - 1, $(this), ww, $fnli, minh);
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});
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// commonmark
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$("sup[class='footnote-ref']").each(function(index, el) {
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minh = showSidenote(el.textContent - 1, $(this), ww, $fnli, minh);
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});
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if (ww > 420) {
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$fn.hide();
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} else {
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$fn.show();
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}
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return div;
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}
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$(window).on("load", function() {
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let $fn = $(".footnotes"),
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$fnli = $fn.find("ol li"),
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fncount = $fnli.length,
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ww = $("main").outerWidth() + $("main").offset().left;
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let fnli = $(".footnotes").find("ol li");
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// load first time
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loadSidenotes(ww, $fnli, fncount, $fn);
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$(window).resize(function() {
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const new_ww = $("main").outerWidth() + $("main").offset().left;
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if (new_ww === ww) return;
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// console.log(" XXX -- RESIZE -- XXX ");
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ww = new_ww;
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$(".sidenote").remove();
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loadSidenotes(ww, $fnli, fncount, $fn);
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// Load sidenotes
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let prev = null;
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// kramdown
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$("sup[role='doc-noteref']").each(function(index, el) {
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prev = showSidenote(el.textContent - 1, $(this), fnli, prev);
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});
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// commonmark
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$("sup[class='footnote-ref']").each(function(index, el) {
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prev = showSidenote(el.textContent - 1, $(this), fnli, prev);
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});
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// Helper functions
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let hideNotes = function() {
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const ww = $("main").outerWidth() + $("main").offset().left;
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if (ww > 420) {
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$(".footnotes").hide();
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} else {
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$(".footnotes").show();
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}
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};
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let resizeNotes = function() {
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$(".sidenote").each(function(index, el) {
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$(this).data("sizing-func")();
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});
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};
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// Run + bind them to triggers
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hideNotes();
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$(window).resize(function() {
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hideNotes();
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resizeNotes();
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});
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// fonts have a power to blow up the size of the sidenotes, hence the
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// need to adjust
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document.fonts.onloadingdone = function(fss) {
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ww = $("main").outerWidth() + $("main").offset().left;
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$(".sidenote").remove();
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loadSidenotes(ww, $fnli, fncount, $fn);
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resizeNotes();
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};
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});
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