Merge branch 'master' into release

slidify.js

@@ -0,0 +1,61 @@
+window.addEventListener('load', init);
+
+let slides;
+let currentSlide;
+
+function init() {
+	slides = Array.from(document.querySelectorAll('article'));
+	for (let i = 0; i < slides.length; i++) {
+		slides[i].id = `slide${i}`;
+	}
+	goToSlide(0);
+	document.addEventListener('keydown', onKeyPressed);
+}
+
+function goToSlide(index) {
+	if (index >= 0 && index < slides.length) {
+		currentSlide = index;
+		window.location.href = window.location.href.split('#')[0] + `#slide${index}`;
+	}
+}
+
+function goToPreviousSlide() {
+	goToSlide(currentSlide - 1);
+}
+
+function goToNextSlide() {
+	goToSlide(currentSlide + 1);
+}
+
+function goToFirstSlide() {
+	goToSlide(0);
+}
+
+function goToLastSlide() {
+	goToSlide(slides.length - 1);
+}
+
+function onKeyPressed(event) {
+	switch (event.keyCode) {
+		case 34: // page down
+		case 40: // arrow down
+		case 39:
+			// arrow right
+			goToNextSlide();
+			break;
+		case 33: // page up
+		case 38: // arrow up
+		case 37:
+			// arrow left
+			goToPreviousSlide();
+			break;
+		case 36:
+			// pos1
+			goToFirstSlide();
+			break;
+		case 35:
+			// end
+			goToLastSlide();
+			break;
+	}
+}