Animation framework using JS + Improvements in Quiz UX

web/src/app/css/app.css

@@ -32,7 +32,6 @@ input[type="radio"] {
 	height: 1.2em;
 	margin-right: .4em;
 	vertical-align: middle;
-
 }
 fieldset {
 	border: none;
@@ -138,6 +137,9 @@ main {
 	background: #fff;
 	border-radius: 6px;
 }
+.panel input.card-item {
+	padding: .5em !important;
+}
 
 .button span {
 	user-select: none;
@@ -166,8 +168,8 @@ main {
 }
 #quizs .avatar.round.big,
 #quiz .avatar.round.big {
-	width: 5em !important;
+	width: 5em;
-	height: 5em !important;
+	height: 5em;
 }
 #quizs .avatar img,
 #quiz .avatar img {
@@ -177,8 +179,8 @@ main {
 }
 #quizs .avatar.big img,
 #quiz .avatar.big img {
-	width: 5em !important;
+	width: 5em;
-	height: 5em !important;
+	height: 5em;
 }
 #quizs .metadata .count {
 	float: right;
@@ -208,11 +210,36 @@ main {
 	background-repeat: no-repeat;
 	background-position: right;
 }
+#quiz .person.scrolled .not-visible-scroll,
+#quiz .person:not(.scrolled) .visible-scroll {
+	display: none;
+}
+#quiz .person.scrolled {
+	border-bottom: 5px solid #00000014;
+}
+#quiz .person.scrolled .avatar-container {
+	position: relative;
+	left: -1em;
+}
+#quiz .person.scrolled .avatar {
+	width: 3em !important;
+	height: 3em !important;
+}
+#quiz .person.scrolled .avatar img {
+	width: 3em !important;
+	height: 3em !important;
+}
 #quiz #questions {
 	padding: 0 .8em;
 	max-width: 32em;
 	margin: auto;
 }
+#quiz #questions .type-options label {
+	padding: .5em 1em;
+	margin: .2em;
+	width: max-content;
+	float: left;
+}
 #quiz .quiz-content {
 	padding: 1.5em 1em;
 	background: #fff;

web/src/app/css/base.css

@@ -2,13 +2,6 @@ body {
 	font-family: system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,"mastodon-font-sans-serif",sans-serif;
 }
 
-input[type="text"] {
-	border: 1px solid #00000026;
-	padding: .5em;
-	box-shadow: 0px 0px .5em #0000000f;
-	border-radius: 6px;
-}
-
 .button, a[onclick],
 .pointer {
 	cursor: pointer;
@@ -20,6 +13,8 @@ input[type="text"] {
 
 .flex { display: flex }
 .flex > .center { margin: auto }
+.flex > .center-v { margin: auto 0 }
+.flex > .center-h { margin: 0 auto }
 
 .width-max { width: 100% }
 .height-max { height: 100% }
@@ -63,9 +58,20 @@ input[type="text"] {
 @media (max-width: 400px) { .media-max400 { display: none } }
 @media (max-width: 500px) { .media-max500 { display: none } }
 
+
+.slow { animation-duration: 2s !important }
+.mid { animation-duration: 1s !important }
+.slide-to-top {
+	position: relative !important;
+	animation: animate2top 0.1s;
+}
+.slide-from-top {
+	position: relative !important;
+	animation: animatetop 0.1s;
+}
 .slide-to-right {
 	position: relative !important;
-	animation. animate2right 0.1s;
+	animation: animate2right 0.1s;
 }
 .slide-from-right {
 	position: relative !important;
@@ -79,6 +85,14 @@ input[type="text"] {
 	position: relative !important;
 	animation: animateleft 0.1s;
 }
+@keyframes animate2top {
+	from { top: 0; opacity: 1 }
+	to   { top: -200px; opacity: .5 }
+}
+@keyframes animatetop {
+	from { top: -200px; opacity: .5 }
+	to   { top: 0; opacity: 1 }
+}
 @keyframes animate2right {
 	from { right: 0; opacity: 1 }
 	to   { right: -200px; opacity: .5 }

web/src/app/js/app.js

@@ -447,6 +447,7 @@ app.toast = {
 }
 
 function scriptPageHandler(modname, cfg) {
+	cfg['module'] = modname
 	cfg['callback'] = function(args) {
 		app.script(modname, function(ok) {
 			if (!ok) return;
@@ -505,10 +506,41 @@ window.onhashchange = function(e) {
 	for (var i = 0; i < app.hashHandlers.length; i++) {
 		const cfg = app.hashHandlers[i];
 		if (cfg.exact !== undefined &&
-			cfg.exact === path)
+			cfg.exact === path) {
+			window._currentPage = cfg.module;
 			return cfg.callback(args);
+		}
 		if (cfg.regex !== undefined &&
-			path.match(cfg.regex))
+			path.match(cfg.regex)) {
+			window._currentPage = cfg.module;
 			return cfg.callback(args);
+		}
 	}
+	window._currentPage = null;
 }
+
+var _currentPage = null;
+function page() {
+	if (window._currentPage === null)
+		return null;
+	return eval(`app.${window._currentPage}`);
+}
+
+function scroll() { return Math.floor(window.scrollY) }
+window.onscroll = function(e) {
+	if (page() === null || page().onScroll === undefined)
+		return;
+	if (scroll() % 10 !== 0)
+		return;
+	if (scroll() === 0)
+		setTimeout(async function() {
+			if (scroll() === 0) {
+				await page().onScroll(0, true);
+				window.scrollTo(0,0);
+			}
+		}, 500);
+	else page().onScroll(scroll(), false);
+}
+// TODO: remove later, we suspect is not needed
+//window.ontouchmove = window.onscroll;
+//window.addEventListener('touchmove', window.onscroll);

web/src/app/js/base.js

@@ -17,6 +17,14 @@ function dragElement(elmnt, options, onStopDrag) {
 		const isMobile = e.touches !== undefined;
 		const cx = !isMobile ? e.clientX : e.touches[0].clientX * 1.3;
 		const cy = !isMobile ? e.clientY : e.touches[0].clientY * 1.3;
+		if (options.borderDetectPx !== undefined) {
+			const bleft = cx - elmnt.offsetLeft;
+			const bright = elmnt.offsetWidth - cx;
+			if (bright > options.borderDetectPx && options.right === false)
+				return;
+			if (bleft > options.borderDetectPx && options.left === false)
+				return;
+		}
 		// get the mouse cursor position at startup:
 		if (options.x === undefined || options.x === true)
 			pos3 = cx;
@@ -88,9 +96,63 @@ function animateTimeout(elem, style, time) {
 		return;
 	if (typeof elem === 'string')
 		elem = document.querySelector(elem);
-	elem.classList.add(style);
+	if (style instanceof Array)
+		for (var i in style)
+			elem.classList.add(style[i]);
+	else elem.classList.add(style);
 	setTimeout(function() {
-		elem.classList.remove(style) }, time);
+		if (style instanceof Array)
+			for (var i in style)
+				elem.classList.remove(style[i]);
+		else elem.classList.remove(style);
+	}, time);
+}
+
+async function animateJS(elem, stages, removeAfter) {
+	if (typeof elem === 'string')
+		elem = document.querySelector(elem);
+	if (elem === undefined || elem === null)
+		return;
+	var countFin = 0;
+	for (var i = 0; i < stages.length; i++) {
+		const stage = stages[i];
+		const process = async function() {
+			if (stage.range !== undefined) {
+				const from = stage.range[0];
+				const to   = stage.range[1];
+				var step   = stage.step || 10;
+				step = Math.abs(step);
+				if (to < from)
+					step = step - (step * 2);
+				const diff = (to > from) ? to - from : from - to;
+				const times = Math.ceil(Math.abs(diff) / Math.abs(step));
+				const tpl = stage.value || '{}';
+				const slp = stage.sleep || 10;
+				for (var j = 1; j < times; j++) {
+					elem.style[stage.prop] = tpl
+						.replaceAll('{}', from + (j*step));
+					await sleep(slp);
+				}
+				elem.style[stage.prop] = tpl
+					.replaceAll('{}', to);
+			} else
+				elem.style[stage.prop] = stage.value;
+			countFin++;
+		};
+		if (stage.async) process();
+		else await process();
+	}
+
+	var rcp = true;
+	setTimeout(function() { rcp = false },10*1000);
+	while (rcp) {
+		if (countFin >= stages.length)
+			break;
+		await sleep(2);
+	}
+	if (removeAfter)
+		for (var i = 0; i < stages.length; i++)
+			elem.style.removeProperty(stages[i].prop);
 }
 
 function fa(icon) { return `<i class="fa fa-${icon} fa-fw"></i>` }

web/src/app/js/pages/quiz.js

@@ -19,11 +19,12 @@ app.pages.quiz = {
 
 		const onDataLoaded = async function(json) {
 			await app.template.loadMany(['quiz.index', 'quiz.item']);
-			app.pages.quiz.data = json;
+			page().data = json;
-			app.pages.quiz.paint(json);
+			page().paint(json);
 			if (getNormalizedURI() === app.vars.app_dir &&
 				window.prevHash === '')
 				animateTimeout('#quiz', 'slide-from-right');
+			page().setDragEvent();
 		};
 		if (data === undefined)
 			http.get(`/api/v1/me/quizs?id=${args[1]}`,
@@ -31,7 +32,7 @@ app.pages.quiz = {
 		else onDataLoaded(data);
 	},
 	paint: function(json) {
-		json = json || app.pages.quiz.data;
+		json = json || page().data;
 		if (json.from.props.age === undefined)
 			json.from.props.age = '??';
 		if (json.from.props.gender === undefined)
@@ -70,5 +71,74 @@ app.pages.quiz = {
 				document.querySelector(`#quiz #question-${i} .type-options`).remove();
 			}
 		}
+		page().scrollInit();
+	},
+	setDragEvent: function() {
+		const element = document.querySelector('#quiz .content');
+		element.style.position = 'relative';
+		var options = {
+			y: false,
+			left: false,
+			rotate: true,
+			fadeOut: true,
+			return2start: true,
+			borderDetectPx: 30,
+			permitUserSelect: true,
+		};
+		dragElement(element, options, function(a1, a2) {
+			const ix = a1[0];
+			const fx = a2[0];
+			if (ix < fx && fx - ix > 200) {
+				animateTimeout(element, 'slide-to-right', 100);
+				window.history.back();
+			} else page().setDragEvent();
+		});
+	},
+	_scrollData: {},
+	scrollInit: function() {
+		const elem = document.querySelector('#quiz .person');
+		if (elem === null) return;
+		page()._scrollData.state1h = elem.offsetHeight;
+		elem.classList.add('scrolled');
+		page()._scrollData.state2h = elem.offsetHeight;
+		elem.classList.remove('scrolled');
+	},
+	onScroll: async function(scroll, isTop) {
+		// TODO: change to a isMobile function
+		if (document.body.offsetWidth < 610)
+		{
+			const elem = document.querySelector('#quiz .person');
+			if (elem === null) return;
+
+			const cfg = { sleep: 5, step: 5 }
+			if (!isTop) {
+				if (elem.classList.contains('scrolled'))
+					return;
+				const top1 = page()._scrollData.state1h - page()._scrollData.state2h;
+				await animateJS(elem, [
+					{ prop: 'position', value: 'fixed' },
+					{ prop: 'width', value: '100%' },
+					{ prop: 'top', range: [0,-top1], value: '{}px',
+						step: cfg.step, sleep: cfg.sleep },
+				], true);
+				elem.classList.add('scrolled');
+			} else {
+				if (!elem.classList.contains('scrolled'))
+					return;
+				const elemi = elem.querySelector('.visible-scroll');
+				const h1 = page()._scrollData.state2h - 5;
+				const h2 = page()._scrollData.state1h - 5;
+				elemi.style.height = '90%';
+				await animateJS(elem, [
+					{ prop: 'position', value: 'fixed' },
+					{ prop: 'width', value: '100%' },
+					{ prop: 'top', value: '0' },
+					{ prop: 'height', range: [h1,h2], value: '{}px',
+						step: cfg.step, sleep: cfg.sleep },
+				], true);
+				elemi.style.removeProperty('height');
+				elem.classList.remove('scrolled');
+			}
+		}
 	},
 }

web/src/app/js/templates/quiz/index.html

@@ -1,46 +1,56 @@
-<form id="quiz" style="padding: 0"
+<form id="quiz" class="panel flex center item"
-	class="panel flex center item">
+	style="padding: 0; background: none; box-shadow: none">
 <div class="content center">
 	<div class="person">
-	<div class="lovebg flex">
+		<div class="lovebg flex not-visible-scroll">
-		<div class="width-max">
+			<div class="width-max">
-			<span class="bigname">{.from.name}</span>
+				<span class="bigname">{.from.name}</span>
-			<br>
+				<br>
-			<span class="acct" style="
+				<span class="acct" style="
-				position: relative;
+					position: relative;
-				top: 2px;
+					top: 2px;
-				">@{.from.acct}</span>
+					">@{.from.acct}</span>
-			<br><br>
+				<br><br>
-			<span>
 				<b>{.from.props.age}</b> {s:app.years_old},
 				<span style="opacity: .6">
 					<i class="fa fa-map-marker fa-fw">
 					</i>&nbsp;{.from.props.place}
 				</span>
-			</span>
-		</div>
-		<div>
-			<a href="#profile/{.from._id}">
-			<div class="big avatar round">
-				<img class="round" src="{.from.avatar.url}"/>
 			</div>
-			</a>
+			<div class="avatar-container">
+				<a href="#profile/{.from._id}">
+				<div class="big avatar round">
+					<img class="round" src="{.from.avatar.url}"/>
+				</div>
+				</a>
+			</div>
+		</div>
+		<div class="lovebg flex visible-scroll"
+			style="padding: .5em 1em">
+			<div class="flex width-max">
+				<div class="flex width-max">
+					<span class="center-v bigname">{.from.name}</span>
+				</div>
+				<div class="avatar-container">
+					<div class="avatar round">
+						<img class="round" src="{.from.avatar.url}"/>
+					</div>
+				</div>
+			</div>
 		</div>
-	</div>
 	</div>
 	<div class="quiz-content">
 		<h2 style="
 		color: var(--clr_quiz);
 		padding: 0;
-		margin-right: .8em;
 		text-align: center;
 		">
 			<i class="fa fa-quote-right fa-fw">
 			</i>{s:app.fill_your_crush_quiz}
 		</h2>
-		<h3 class="text-center"
+		<h3 class="text-center" style="color: #0000005e"
 			>{.content.length} {s:app.questions}</h3>
-		<br><br>
+		<br>
 		<div id="questions"></div>
 	</div>
 </div>

web/src/app/js/templates/quiz/item.html

@@ -7,21 +7,22 @@
 		</tr></tbody>
 	</table>
 	<div class="type-freetext">
-		<input class="width-max" type="text"
+		<input class="card-item width-max" type="text"
 			name="question_{.index}"/>
 	</div>
 	<div class="type-options">
-		<fieldset class="flex">
+		<fieldset>
 		{loop:options}
-		<label class="width-max">
+		<label class="card-item button rounder flex">
+			<div class="center">
 			<input type="radio" name="question_{.index}"
 				value="{.item}">
 			<span>{.item_cap}</span>
+			</div>
 		</label>
 		{/loop}
 		</fieldset>
 	</div>
-	<br><br>
-	<hr style="max-width:100%">
 	<br>
+	<hr style="max-width:100%">
 </div>