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// catch all plugin for various quarto features
window.QuartoSupport = function () {
function isPrintView() {
return /print-pdf/gi.test(window.location.search);
}
// implement controlsAudo
function controlsAuto(deck) {
const config = deck.getConfig();
if (config.controlsAuto === true) {
const iframe = window.location !== window.parent.location;
const localhost =
window.location.hostname === "localhost" ||
window.location.hostname === "127.0.0.1";
deck.configure({
controls:
(iframe && !localhost) ||
(deck.hasVerticalSlides() && config.navigationMode !== "linear"),
});
}
}
// helper to provide event handlers for all links in a container
function handleLinkClickEvents(deck, container) {
Array.from(container.querySelectorAll("a")).forEach((el) => {
const url = el.getAttribute("href");
if (/^(http|www)/gi.test(url)) {
el.addEventListener(
"click",
(ev) => {
const fullscreen = !!window.document.fullscreen;
const dataPreviewLink = el.getAttribute("data-preview-link");
// if there is a local specifcation then use that
if (dataPreviewLink) {
if (
dataPreviewLink === "true" ||
(dataPreviewLink === "auto" && fullscreen)
) {
ev.preventDefault();
deck.showPreview(url);
return false;
}
} else {
const previewLinks = !!deck.getConfig().previewLinks;
const previewLinksAuto =
deck.getConfig().previewLinksAuto === true;
if (previewLinks == true || (previewLinksAuto && fullscreen)) {
ev.preventDefault();
deck.showPreview(url);
return false;
}
}
// if the deck is in an iframe we want to open it externally
const iframe = window.location !== window.parent.location;
if (iframe) {
ev.preventDefault();
ev.stopImmediatePropagation();
window.open(url, "_blank");
return false;
}
// if the user has set data-preview-link to "auto" we need to handle the event
// (because reveal will interpret "auto" as true)
if (dataPreviewLink === "auto") {
ev.preventDefault();
ev.stopImmediatePropagation();
const target =
el.getAttribute("target") ||
(ev.ctrlKey || ev.metaKey ? "_blank" : "");
if (target) {
window.open(url, target);
} else {
window.location.href = url;
}
return false;
}
},
false
);
}
});
}
// implement previewLinksAuto
function previewLinksAuto(deck) {
handleLinkClickEvents(deck, deck.getRevealElement());
}
// apply styles
function applyGlobalStyles(deck) {
if (deck.getConfig()["smaller"] === true) {
const revealParent = deck.getRevealElement();
revealParent.classList.add("smaller");
}
}
// add logo image
function addLogoImage(deck) {
const revealParent = deck.getRevealElement();
const logoImg = document.querySelector(".slide-logo");
if (logoImg) {
revealParent.appendChild(logoImg);
revealParent.classList.add("has-logo");
}
}
// add footer text
function addFooter(deck) {
const revealParent = deck.getRevealElement();
const defaultFooterDiv = document.querySelector(".footer-default");
if (defaultFooterDiv) {
revealParent.appendChild(defaultFooterDiv);
handleLinkClickEvents(deck, defaultFooterDiv);
if (!isPrintView()) {
deck.on("slidechanged", function (ev) {
const prevSlideFooter = document.querySelector(
".reveal > .footer:not(.footer-default)"
);
if (prevSlideFooter) {
prevSlideFooter.remove();
}
const currentSlideFooter = ev.currentSlide.querySelector(".footer");
if (currentSlideFooter) {
defaultFooterDiv.style.display = "none";
const slideFooter = currentSlideFooter.cloneNode(true);
handleLinkClickEvents(deck, slideFooter);
deck.getRevealElement().appendChild(slideFooter);
} else {
defaultFooterDiv.style.display = "block";
}
});
}
}
}
// add chalkboard buttons
function addChalkboardButtons(deck) {
const chalkboard = deck.getPlugin("RevealChalkboard");
if (chalkboard && !isPrintView()) {
const revealParent = deck.getRevealElement();
const chalkboardDiv = document.createElement("div");
chalkboardDiv.classList.add("slide-chalkboard-buttons");
if (document.querySelector(".slide-menu-button")) {
chalkboardDiv.classList.add("slide-menu-offset");
}
// add buttons
const buttons = [
{
icon: "easel2",
title: "Toggle Chalkboard (b)",
onclick: chalkboard.toggleChalkboard,
},
{
icon: "brush",
title: "Toggle Notes Canvas (c)",
onclick: chalkboard.toggleNotesCanvas,
},
];
buttons.forEach(function (button) {
const span = document.createElement("span");
span.title = button.title;
const icon = document.createElement("i");
icon.classList.add("fas");
icon.classList.add("fa-" + button.icon);
span.appendChild(icon);
span.onclick = function (event) {
event.preventDefault();
button.onclick();
};
chalkboardDiv.appendChild(span);
});
revealParent.appendChild(chalkboardDiv);
const config = deck.getConfig();
if (!config.chalkboard.buttons) {
chalkboardDiv.classList.add("hidden");
}
// show and hide chalkboard buttons on slidechange
deck.on("slidechanged", function (ev) {
const config = deck.getConfig();
let buttons = !!config.chalkboard.buttons;
const slideButtons = ev.currentSlide.getAttribute(
"data-chalkboard-buttons"
);
if (slideButtons) {
if (slideButtons === "true" || slideButtons === "1") {
buttons = true;
} else if (slideButtons === "false" || slideButtons === "0") {
buttons = false;
}
}
if (buttons) {
chalkboardDiv.classList.remove("hidden");
} else {
chalkboardDiv.classList.add("hidden");
}
});
}
}
function handleTabbyClicks() {
const tabs = document.querySelectorAll(".panel-tabset-tabby > li > a");
for (let i = 0; i < tabs.length; i++) {
const tab = tabs[i];
tab.onclick = function (ev) {
ev.preventDefault();
ev.stopPropagation();
return false;
};
}
}
function fixupForPrint(deck) {
if (isPrintView()) {
const slides = deck.getSlides();
slides.forEach(function (slide) {
slide.removeAttribute("data-auto-animate");
});
window.document.querySelectorAll(".hljs").forEach(function (el) {
el.classList.remove("hljs");
});
window.document.querySelectorAll(".hljs-ln-code").forEach(function (el) {
el.classList.remove("hljs-ln-code");
});
}
}
function handleSlideChanges(deck) {
// dispatch for htmlwidgets
const fireSlideEnter = () => {
const event = window.document.createEvent("Event");
event.initEvent("slideenter", true, true);
window.document.dispatchEvent(event);
};
const fireSlideChanged = (previousSlide, currentSlide) => {
fireSlideEnter();
// dispatch for shiny
if (window.jQuery) {
if (previousSlide) {
window.jQuery(previousSlide).trigger("hidden");
}
if (currentSlide) {
window.jQuery(currentSlide).trigger("shown");
}
}
};
// fire slideEnter for tabby tab activations (for htmlwidget resize behavior)
document.addEventListener("tabby", fireSlideEnter, false);
deck.on("slidechanged", function (event) {
fireSlideChanged(event.previousSlide, event.currentSlide);
});
}
function workaroundMermaidDistance(deck) {
if (window.document.querySelector("pre.mermaid-js")) {
const slideCount = deck.getTotalSlides();
deck.configure({
mobileViewDistance: slideCount,
viewDistance: slideCount,
});
}
}
return {
id: "quarto-support",
init: function (deck) {
controlsAuto(deck);
previewLinksAuto(deck);
fixupForPrint(deck);
applyGlobalStyles(deck);
addLogoImage(deck);
addFooter(deck);
addChalkboardButtons(deck);
handleTabbyClicks();
handleSlideChanges(deck);
workaroundMermaidDistance(deck);
},
};
};
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