From e1dcd323cbd4ac70f7280b8606fb4da295a432f7 Mon Sep 17 00:00:00 2001
From: Matthew Kousoulas <shaman.kous@gmail.com>
Date: Wed, 23 Jun 2021 15:34:29 -0400
Subject: [PATCH] Refactor and Update Filter Logic

---
 CSVtoJSON.awk => data/CSVtoJSON.awk |   0
 CSVtoJSON.sh => data/CSVtoJSON.sh   |   0
 pictures.csv => data/pictures.csv   |   0
 pictures.json => data/pictures.json |   0
 driver.js                           | 156 ----------------------------
 index.html                          |  16 ++-
 scripts/click.js                    |  61 +++++++++++
 scripts/dom.js                      |  79 ++++++++++++++
 scripts/main.js                     |  49 +++++++++
 scripts/photo.js                    |  38 +++++++
 scripts/util.js                     |  21 ++++
 style.css => styles/main.css        |  51 ++++-----
 12 files changed, 279 insertions(+), 192 deletions(-)
 rename CSVtoJSON.awk => data/CSVtoJSON.awk (100%)
 rename CSVtoJSON.sh => data/CSVtoJSON.sh (100%)
 rename pictures.csv => data/pictures.csv (100%)
 rename pictures.json => data/pictures.json (100%)
 delete mode 100644 driver.js
 create mode 100644 scripts/click.js
 create mode 100644 scripts/dom.js
 create mode 100644 scripts/main.js
 create mode 100644 scripts/photo.js
 create mode 100644 scripts/util.js
 rename style.css => styles/main.css (66%)

diff --git a/CSVtoJSON.awk b/data/CSVtoJSON.awk
similarity index 100%
rename from CSVtoJSON.awk
rename to data/CSVtoJSON.awk
diff --git a/CSVtoJSON.sh b/data/CSVtoJSON.sh
similarity index 100%
rename from CSVtoJSON.sh
rename to data/CSVtoJSON.sh
diff --git a/pictures.csv b/data/pictures.csv
similarity index 100%
rename from pictures.csv
rename to data/pictures.csv
diff --git a/pictures.json b/data/pictures.json
similarity index 100%
rename from pictures.json
rename to data/pictures.json
diff --git a/driver.js b/driver.js
deleted file mode 100644
index d8cefe1..0000000
--- a/driver.js
+++ /dev/null
@@ -1,156 +0,0 @@
-// (() => {
-"use strict";
-const methods = [ "loc", "date", "sub" ];
-let up_dom, photo_dom;
-// pointers to <ul>
-let meth_dom, cat_dom, thumb_dom;
-// pointers to [<li>]
-let meth_list = new Object();
-// pointers to photos
-let photos;
-let state = [];
-
-function loadJson(text) {
-	let json = JSON.parse(text);
-	photos = json.photos;
-	photos.forEach(p => {
-		let t = document.createElement("img");
-		t.alt = p.desc;
-		t.src = `/pictures/${p.name}_thm.jpg`;
-
-		p.thm = document.createElement("div");
-		p.thm.classList.add("thumb-tile");
-		p.thm.appendChild(t);
-		p.thm.addEventListener("click", () => {
-			event.stopPropagation();
-			loadPhoto(p);
-		});
-
-		p.img = document.createElement("img");
-		p.img.alt = p.desc;
-		p.img.classList.add("responsive");
-		p.img.src = `/pictures/${p.name}_sm.jpg`;
-	});
-
-	methods.forEach(m => {
-		let a = [];
-		json[m].forEach(
-			s => {
-				let e = document.createElement("li");
-				e.innerText = s;
-				e.id = s;
-				e.addEventListener("click", () => {
-					event.stopPropagation();
-					loadCategory(m, e);
-				});
-				a.push(e);
-			});
-		meth_list[m] = a;
-	});
-}
-
-function keyDown(e) {
-	if (e.keyCode === 27 || e.keyCode === 32) {
-		console.log("close picture");
-		photo_dom.classList.add("hidden");
-	}
-}
-
-function loadPhoto(p) {
-	removeAll(photo_dom);
-	console.log("load picture " + p.name);
-	photo_dom.appendChild(p.img);
-	photo_dom.classList.remove("hidden");
-}
-
-function loadCategory(m, node) {
-	let s = node.innerText;
-	console.log(`load category ${s}:${m}`);
-	let a = siblings(node);
-
-	removeAll(thumb_dom);
-	if (peek(state) === s) {
-		ascend(node);
-	} else {
-		state.push(s);
-		photos.filter(p => p[m] === s)
-			.forEach(p => thumb_dom.appendChild(p.thm));
-
-		a.forEach(e => {
-			e.classList.add("deselected")
-			e.classList.remove("selected");
-		});
-		node.classList.remove("deselected");
-		node.classList.add("selected");
-	}
-}
-
-function loadMethod(node) {
-	let m = node.id;
-	console.log(`load method ${m}`);
-	let a = siblings(node);
-
-	removeAll(cat_dom);
-	if (peek(state) === m) {
-		ascend(node);
-	} else {
-		state.push(m);
-		meth_list[m].forEach(e => cat_dom.appendChild(e));
-
-		node.appendChild(cat_dom);
-		a.forEach(e => {
-			e.classList.add("deselected")
-			e.classList.remove("selected");
-		});
-		node.classList.remove("deselected");
-		node.classList.add("selected");
-	}
-}
-
-function ascend(node) {
-	state.pop();
-	removeLast(node);
-	siblings(node).forEach(e => {
-		e.classList.remove("deselected")
-		e.classList.remove("selected");
-	});
-}
-
-function removeAll(e) {
-	while(e.lastChild) {
-		e.removeChild(e.lastChild);
-	}
-}
-function siblings(n) { return Array.from(n.parentNode.children); }
-function removeLast(e) { e.removeChild(e.lastChild); }
-function peek(a) { return a[a.length-1]; }
-
-document.addEventListener("DOMContentLoaded",
-	(event) => {
-		let xhttp = new XMLHttpRequest();
-		xhttp.onload = (() => loadJson(xhttp.responseText));
-		xhttp.open("GET", "pictures.json");
-		xhttp.send();
-
-		cat_dom = document.createElement("ul");
-
-		thumb_dom = document.getElementById("thumbs");
-		meth_dom = document.getElementById("methods");
-		up_dom = document.getElementById("up");
-		photo_dom = document.getElementById("photo");
-
-		photo_dom.addEventListener("click", () => {
-			photo_dom.classList.add("hidden");
-		});
-
-		Array.from(meth_dom.children)
-			.forEach(e => {
-				e.addEventListener("click", () => {
-					event.stopPropagation();
-					loadMethod(e);
-				});
-			});
-
-		document.addEventListener("keydown", keyDown);
-	});
-// })();
diff --git a/index.html b/index.html
index feadf2b..bdb5d9b 100644
--- a/index.html
+++ b/index.html
@@ -3,15 +3,21 @@
 	<head>
 		<meta charset="UTF-8">
 		<title>MadKous Photography</title>
-		<link rel="stylesheet" type="text/css" href="style.css"></script>
-		<script type="text/javascript" src="driver.js"></script>
+		<link rel="stylesheet" type="text/css" href="styles/main.css"></script>
+		<!-- util must be first; driver must be last -->
+		<script type="text/javascript" src="scripts/util.js"></script>
+		<script type="text/javascript" src="scripts/photo.js"></script>
+		<script type="text/javascript" src="scripts/click.js"></script>
+		<script type="text/javascript" src="scripts/dom.js"></script>
+		<script type="text/javascript" src="scripts/main.js"></script>
 	</head>
 	<body class="parent">
+		<div id="logo">
+			<img src="logo_sm.png" alt="MadKous">
+		</div>
 		<div class="grid parent">
 			<div class="menu">
-				<ul id="methods">
-					Filter
-					<li id="loc">by Location</li>
+				<ul id="methods">Filter<li id="loc">by Location</li>
 					<li id="sub">by Subject</li>
 					<li id="date">by Date</li>
 				</ul>
diff --git a/scripts/click.js b/scripts/click.js
new file mode 100644
index 0000000..d0d407b
--- /dev/null
+++ b/scripts/click.js
@@ -0,0 +1,61 @@
+var CLICK = (click => {
+	click.category = (m, node) => {
+		let s = node.innerText;
+
+		if (UTIL.is_selected(node)) {
+			if(PHOTO.removeFilter(m, s)) {
+				UTIL.siblings(node).forEach(e => {
+					UTIL.un_deselected(e);
+					UTIL.normal(e);
+				});
+			}
+			UTIL.un_selected(node);
+		} else if (UTIL.is_normal(node)) {
+			PHOTO.addFilter(m, s, p => p[m] === s);
+			UTIL.siblings(node).forEach(e => {
+				UTIL.deselected(e);
+				UTIL.un_normal(e);
+			});
+			UTIL.un_deselected(node);
+			UTIL.selected(node);
+		} else { // assumed to be 'deselected'
+			PHOTO.addFilter(m, s, p => p[m] === s);
+			UTIL.un_deselected(node);
+			UTIL.selected(node);
+		}
+	}
+
+	click.method = (node) => {
+		let m = node.id;
+		console.log(`click method ${m}`);
+
+		if (node.classList.contains("selected")) {
+			Array.from(node.children).forEach(UTIL.hidden);
+			click.close(node);
+		} else {
+			Array.from(node.children).forEach(UTIL.un_hidden);
+			click.open(node);
+		}
+	}
+
+	click.open = (node) => {
+		UTIL.siblings(node).forEach(e => {
+			UTIL.deselected(e);
+			UTIL.un_selected(e);
+			UTIL.un_normal(e);
+		});
+		UTIL.un_deselected(node);
+		UTIL.un_normal(node);
+		UTIL.selected(node);
+	}
+
+	click.close = (node) => {
+		UTIL.siblings(node).forEach(e => {
+			UTIL.un_deselected(e);
+			UTIL.un_selected(e);
+			UTIL.normal(e);
+		});
+	}
+
+	return click;
+})(CLICK || {});
diff --git a/scripts/dom.js b/scripts/dom.js
new file mode 100644
index 0000000..6761a09
--- /dev/null
+++ b/scripts/dom.js
@@ -0,0 +1,79 @@
+var DOM = (dom => {
+	// main photo container
+	dom.photo_dom;
+	// pointers to <ul>
+	dom.meth_dom;
+	// thumbnail container
+	dom.thumb_dom;
+	// lists of <li> by method
+	dom.meth_list = new Object();
+
+	//// dom creation ////
+	dom.makeThumbnail = (p) => {
+		let t = document.createElement("img");
+		let e = document.createElement("div");
+
+		t.alt = p.desc;
+		t.src = `pictures/${p.name}_thm.jpg`;
+
+		e.appendChild(t);
+		e.addEventListener("click", () => {
+			event.stopPropagation();
+			dom.loadPhoto(p);
+		});
+		return e;
+	}
+
+	dom.makePicture = (p) => {
+		let e = document.createElement("img");
+		e.alt = p.desc;
+		e.src = `pictures/${p.name}_sm.jpg`;
+		return e;
+	}
+
+	dom.makeCategory = (s, m) => {
+		let e = document.createElement("li");
+		e.innerText = s;
+		e.id = s;
+		e.addEventListener("click", () => {
+			event.stopPropagation();
+			CLICK.category(m, e);
+		});
+		UTIL.normal(e);
+		return e;
+	}
+
+	dom.makeList = (l) => {
+		let c = document.createElement("ul");
+		l.forEach(e => c.appendChild(e));
+		UTIL.hidden(c);
+		return c;
+	}
+
+	dom.makeMethod = (node, l) => {
+		let m = node.id;
+		console.log(`load method ${m}`);
+		node.appendChild(dom.makeList(l[m]));
+	}
+
+	dom.loadPhoto = (p) => {
+		UTIL.removeAll(dom.photo_dom);
+		console.log("load picture " + p.name);
+		dom.photo_dom.appendChild(p.img);
+		UTIL.un_hidden(dom.photo_dom);
+	}
+
+	dom.init = () => {
+		// methods
+		Array.from(dom.meth_dom.children)
+			.forEach(e => {
+				dom.makeMethod(e, dom.meth_list);
+				e.addEventListener("click", () => {
+					event.stopPropagation();
+					CLICK.method(e);
+				});
+			});
+	}
+
+	return dom;
+})(DOM || {});
diff --git a/scripts/main.js b/scripts/main.js
new file mode 100644
index 0000000..2bd4832
--- /dev/null
+++ b/scripts/main.js
@@ -0,0 +1,49 @@
+(() => {
+"use strict";
+	//// json handling ////
+	function loadJson(text) {
+		let json = JSON.parse(text);
+		PHOTO.all = json.photos;
+		PHOTO.all.forEach(p => {
+			p.thm = DOM.makeThumbnail(p);
+			p.img = DOM.makePicture(p);
+		});
+
+		PHOTO.methods.forEach(m => {
+			let a = [];
+			json[m].forEach(s => a.push(DOM.makeCategory(s, m)));
+			DOM.meth_list[m] = a;
+		});
+	}
+
+	///// input handling /////
+	function keyDown(e) {
+		if (e.keyCode === 27 || e.keyCode === 32) {
+			DOM.photo_dom.classList.add("hidden");
+		} else {
+			console.log(`${e.code} -> ${e.keyCode}`);
+		}
+	}
+
+	document.addEventListener("DOMContentLoaded",
+		(event) => {
+			let xhttp = new XMLHttpRequest();
+			xhttp.onload = (() => {
+				loadJson(xhttp.responseText);
+				PHOTO.updateThumbs();
+				DOM.init();
+			});
+			xhttp.open("GET", "data/pictures.json");
+			xhttp.send();
+
+			DOM.thumb_dom = document.getElementById("thumbs");
+			DOM.meth_dom = document.getElementById("methods");
+			DOM.photo_dom = document.getElementById("photo");
+
+			DOM.photo_dom.addEventListener("click", () => {
+				DOM.photo_dom.classList.add("hidden");
+			});
+
+			document.addEventListener("keydown", keyDown);
+		});
+})();
diff --git a/scripts/photo.js b/scripts/photo.js
new file mode 100644
index 0000000..e683655
--- /dev/null
+++ b/scripts/photo.js
@@ -0,0 +1,38 @@
+var PHOTO = (photo => {
+	photo.methods = [ "loc", "date", "sub" ];
+	photo.all;
+	photo.shown;
+	photo.filter_groups
+		= new Map(photo.methods.map(s => [s, new Map([["T", UTIL.top]])]));
+
+	photo.updateThumbs = () => {
+		UTIL.removeAll(DOM.thumb_dom);
+		let pred = p => Array.from(photo.filter_groups.values()).every(
+			m => Array.from(m.values()).some(f => f(p)));
+		photo.shown = photo.all.filter(pred);
+		photo.shown.forEach(p => DOM.thumb_dom.appendChild(p.thm));
+	}
+
+	photo.addFilter = (m, s, f) => {
+		let g = photo.filter_groups.get(m);
+		g.delete("T");
+		g.set(s, f);
+		photo.updateThumbs();
+	}
+
+	// returns true iff last filter removed
+	photo.removeFilter = (m, s) => {
+		let g = photo.filter_groups.get(m);
+		let r = false;
+		if (g.delete(s)) {
+			if (g.size === 0) {
+				g.set("T", UTIL.top);
+				r = true;
+			}
+			photo.updateThumbs();
+		}
+		return r;
+	}
+
+	return photo;
+})(PHOTO || {});
diff --git a/scripts/util.js b/scripts/util.js
new file mode 100644
index 0000000..ec3c858
--- /dev/null
+++ b/scripts/util.js
@@ -0,0 +1,21 @@
+var UTIL = (util => {
+	util.top = _ => true;
+	util.siblings = (n) => Array.from(n.parentNode.children);
+	util.peek = (a) => a[a.length-1];
+
+	util.removeLast = (e) => e.removeChild(e.lastChild);
+	util.removeAll = (e) => {
+		while(e.lastChild) {
+			e.removeChild(e.lastChild);
+		}
+	}
+
+	let classes = ["hidden", "selected", "deselected", "normal"];
+	classes.forEach(c => {
+		util[c] = (e) => e.classList.add(c);
+		util[`un_${c}`] = (e) => e.classList.remove(c);
+		util[`is_${c}`] = (e) => e.classList.contains(c);
+	});
+
+	return util;
+})(UTIL || {});
diff --git a/style.css b/styles/main.css
similarity index 66%
rename from style.css
rename to styles/main.css
index ec0de6a..517afea 100644
--- a/style.css
+++ b/styles/main.css
@@ -1,13 +1,14 @@
 .parent { height: 95%; }
 .deselected { color: #797777; }
 .selected { color: #e3e2e2; }
+.normal { color: #c3c2c2; }
 .hidden { display: none; }
 
 body {
 	background-color: #161516;
 	color: #c3c2c2;
 	margin: 5%;
-	font-size: larger;
+	font-size: 2vw;
 	font-family: sans-serif;
 }
 
@@ -18,7 +19,7 @@ ul {
 }
 
 li {
-	line-height: 1.8;
+	padding: 1vw;
 }
 
 img {
@@ -28,8 +29,8 @@ img {
 
 .grid {
 	display: grid;
-	grid-template-columns: 15vw 70vw;
-	grid-column-gap: 5vw;
+	grid-template-columns: 15vw 0.8fr;
+	grid-column-gap: 3vw;
 }
 
 .menu {
@@ -37,25 +38,29 @@ img {
 }
 
 .thumb-grid {
-	max-width: 1200px;
-	margin: 0 auto;
 	display: grid;
-	grid-gap: 1rem;
-	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+	grid-gap: 1vw;
+	grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
 }
 
-.thumb-tile {
-	display: inline grid;
+.thumb-grid > div {
+	display: flex;
+	height: 160px;
+	width: 160px;
+	justify-content: center;
+	align-items: center;
 }
 
-.thumb-tile > img {
+.thumb-grid > div > img {
+	display: block;
 	max-height: 160px;
 	max-width: 160px;
 	border-radius: 10px;
 	box-shadow: 5px 5px 5px #050404;
+	/* margin: auto; */
 }
 
-.thumb-tile > img:hover {
+.thumb-grid > div > img:hover {
 	animation-name: bounce;
 	animation-timing-function: ease-in-out;
 	animation-duration: 300ms;
@@ -63,7 +68,7 @@ img {
 	transform: translate(0px, -2.5px);
 }
 
-.thumb-tile > img:active {
+.thumb-grid > div > img:active {
 	animation-name: press;
 	animation-timing-function: ease-in-out;
 	animation-duration: 100ms;
@@ -77,8 +82,8 @@ img {
 		transform: translate(0px, -2.5px);
 	}
 	100% {
-	box-shadow: 2px 2px 5px #050404;
-	transform: translate(0px, 1px);
+		box-shadow: 2px 2px 5px #050404;
+		transform: translate(0px, 1px);
 	}
 }
 
@@ -87,22 +92,6 @@ img {
 		box-shadow: 5px 5px 5px #050404;
 		transform: translate(0px, 0px);
 	}
-	20% {
-		box-shadow: 8px 8px 5px #050404;
-		transform: translate(0px, -1.0px);
-	}
-	40% {
-		box-shadow: 10px 10px 5px #050404;
-		transform: translate(0px, -2.5px);
-	}
-	60% {
-		box-shadow: 12px 12px 5px #050404;
-		transform: translate(0px, -4.0px);
-	}
-	80% {
-		box-shadow: 8px 8px 5px #050404;
-		transform: translate(0px, -1.0px);
-	}
 	100% {
 		box-shadow: 10px 10px 5px #050404;
 		transform: translate(0px, -2.5px);
-- 
2.45.3