74 lines
1.9 KiB
HTML
74 lines
1.9 KiB
HTML
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<!DOCTYPE html>
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<html lang='en'>
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<head>
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<title>{title}</title>
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<!-- for code formatting -->
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<link rel="stylesheet" href="../templates/hybrid.min.css">
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<script src="../templates/highlight.min.js"></script>
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<script>hljs.highlightAll()</script>
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</head>
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<body>
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{body}
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</body>
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<style>
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section.slide {
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%) scale(3);
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}
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</style>
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<script>
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let slide_number = 0;
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let slide_max = 0;
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for (let section of document.querySelectorAll("section.slide")) {
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let number = parseInt(section.id, 10);
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if (number > slide_max) {
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slide_max = number;
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}
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}
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slide_next = (change) => {
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// make old hidden
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document.getElementById(`${slide_number}`).style.display = "none";
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// make the change
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let slide_number_new = slide_number + change;
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if (slide_number_new >= 0 && slide_number_new <= slide_max) {
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slide_number += change;
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}
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// make current visible
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document.getElementById(`${slide_number}`).style.display = "block";
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}
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// add event listner
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onkeydown = (event) => {
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if (event.key === "ArrowRight" || event.key === "ArrowDown") {
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slide_next(1);
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}
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if (event.key === "ArrowLeft" || event.key === "ArrowUp") {
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slide_next(-1);
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}
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};
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on_events = (clickTargetWidth, xCoordInClickTarget) => {
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if (clickTargetWidth / 2 > xCoordInClickTarget) {
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slide_next(-1);
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} else {
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slide_next(1);
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}
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}
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onclick = (event) => {
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on_events(event.target.offsetWidth, event.clientX - event.target.getBoundingClientRect().left);
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};
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ontouchstart = (event) => {
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on_events(event.target.offsetWidth, event.touches[0].clientX - event.target.getBoundingClientRect().left);
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};
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// show the first slide
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slide_next(0)
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</script>
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</html>
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