update slides

tepm/lect02-24_files/libs/quarto-html/quarto-html.min.css

@@ -1 +1 @@
-/*# sourceMappingURL=0a6b880beb84f9b6f36107a76f82c5b1.css.map */
+

tepm/lect02-24_files/libs/revealjs/plugin/pdf-export/pdfexport.js

@@ -101,6 +101,9 @@ var PdfExport = ( function( _Reveal ){
 			Reveal = _Reveal;
 			install();
 		};
+		Plugin.togglePdfExport = function () {
+      togglePdfExport();
+    };
 	}
 
 	return Plugin;

tepm/lect02-24_files/libs/revealjs/plugin/quarto-line-highlight/line-highlight.js

@@ -38,7 +38,7 @@ window.QuartoLineHighlight = function () {
     divSourceCode.forEach((el) => {
       if (el.hasAttribute(kCodeLineNumbersAttr)) {
         const codeLineAttr = el.getAttribute(kCodeLineNumbersAttr);
-        el.removeAttribute("data-code-line-numbers");
+        el.removeAttribute(kCodeLineNumbersAttr);
         if (handleLinesSelector(deck, codeLineAttr)) {
           // Only process if attr is a string to select lines to highlights
           // e.g "1|3,6|8-11"
@@ -165,17 +165,17 @@ window.QuartoLineHighlight = function () {
         if (typeof highlight.last === "number") {
           spanToHighlight = [].slice.call(
             codeBlock.querySelectorAll(
-              ":scope > span:nth-child(n+" +
+              ":scope > span:nth-of-type(n+" +
                 highlight.first +
-                "):nth-child(-n+" +
+                "):nth-of-type(-n+" +
                 highlight.last +
                 ")"
             )
           );
         } else if (typeof highlight.first === "number") {
           spanToHighlight = [].slice.call(
             codeBlock.querySelectorAll(
-              ":scope > span:nth-child(" + highlight.first + ")"
+              ":scope > span:nth-of-type(" + highlight.first + ")"
             )
           );
         }

tepm/lect02-24_files/libs/revealjs/plugin/quarto-support/footer.css

@@ -6,6 +6,7 @@
   max-height: 2.2rem;
   height: 100%;
   width: auto;
+  z-index: 2;
 }
 
 .reveal .footer {

tepm/lect02-24_files/libs/revealjs/plugin/quarto-support/support.js

@@ -4,6 +4,20 @@ window.QuartoSupport = function () {
     return /print-pdf/gi.test(window.location.search);
   }
 
+  // helper for theme toggling
+  function toggleBackgroundTheme(el, onDarkBackground, onLightBackground) {
+    if (onDarkBackground) {
+      el.classList.add('has-dark-background')
+    } else {
+      el.classList.remove('has-dark-background')
+    }
+    if (onLightBackground) {
+      el.classList.add('has-light-background')
+    } else {
+      el.classList.remove('has-light-background')
+    }
+  }
+
   // implement controlsAudo
   function controlsAuto(deck) {
     const config = deck.getConfig();
@@ -111,8 +125,19 @@ window.QuartoSupport = function () {
     }
   }
 
-  // add footer text
-  function addFooter(deck) {
+  // tweak slide-number element
+  function tweakSlideNumber(deck) {
+    deck.on("slidechanged", function (ev) {
+      const revealParent = deck.getRevealElement();
+      const slideNumberEl = revealParent.querySelector(".slide-number");
+      const onDarkBackground = Reveal.getSlideBackground(ev.indexh, ev.indexv).classList.contains('has-dark-background');
+      const onLightBackground = Reveal.getSlideBackground(ev.indexh, ev.indexv).classList.contains('has-light-background');
+      toggleBackgroundTheme(slideNumberEl, onDarkBackground, onLightBackground);
+    })
+  }
+
+   // add footer text
+   function addFooter(deck) {
     const revealParent = deck.getRevealElement();
     const defaultFooterDiv = document.querySelector(".footer-default");
     if (defaultFooterDiv) {
@@ -127,13 +152,17 @@ window.QuartoSupport = function () {
             prevSlideFooter.remove();
           }
           const currentSlideFooter = ev.currentSlide.querySelector(".footer");
+          const onDarkBackground = Reveal.getSlideBackground(ev.indexh, ev.indexv).classList.contains('has-dark-background')
+          const onLightBackground = Reveal.getSlideBackground(ev.indexh, ev.indexv).classList.contains('has-light-background')
           if (currentSlideFooter) {
             defaultFooterDiv.style.display = "none";
             const slideFooter = currentSlideFooter.cloneNode(true);
             handleLinkClickEvents(deck, slideFooter);
             deck.getRevealElement().appendChild(slideFooter);
+            toggleBackgroundTheme(slideFooter, onDarkBackground, onLightBackground)
           } else {
             defaultFooterDiv.style.display = "block";
+            toggleBackgroundTheme(defaultFooterDiv, onDarkBackground, onLightBackground)
           }
         });
       }
@@ -272,6 +301,23 @@ window.QuartoSupport = function () {
     }
   }
 
+  function handleWhiteSpaceInColumns(deck) {
+    for (const outerDiv of window.document.querySelectorAll("div.columns")) {
+      // remove all whitespace text nodes
+      // whitespace nodes cause the columns to be misaligned
+      // since they have inline-block layout
+      // 
+      // Quarto emits no whitespace nodes, but third-party tooling
+      // has bugs that can cause whitespace nodes to be emitted.
+      // See https://github.com/quarto-dev/quarto-cli/issues/8382
+      for (const node of outerDiv.childNodes) {
+        if (node.nodeType === 3 && node.nodeValue.trim() === "") {
+          outerDiv.removeChild(node);
+        }
+      }
+    }
+  }
+
   return {
     id: "quarto-support",
     init: function (deck) {
@@ -280,11 +326,13 @@ window.QuartoSupport = function () {
       fixupForPrint(deck);
       applyGlobalStyles(deck);
       addLogoImage(deck);
+      tweakSlideNumber(deck);
       addFooter(deck);
       addChalkboardButtons(deck);
       handleTabbyClicks();
       handleSlideChanges(deck);
       workaroundMermaidDistance(deck);
+      handleWhiteSpaceInColumns(deck);
     },
   };
 };

tepm/lect02-24_files/libs/revealjs/plugin/reveal-menu/quarto-menu.js

@@ -37,4 +37,7 @@ window.RevealMenuToolHandlers = {
   downloadDrawings: revealMenuToolHandler(function () {
     RevealChalkboard.download();
   }),
+  togglePdfExport: revealMenuToolHandler(function () {
+    PdfExport.togglePdfExport();
+  }),
 };