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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="description" content="My Bookshelf">
<meta name="keywords" content="bookshelf">
<meta name="author" content="Marco Favorito">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>My Bookshelf</title>
<link rel="stylesheet" type="text/css" href="https://rawgit.com/Pixabay/jQuery-tagEditor/master/jquery.tag-editor.css">
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
<link rel="stylesheet" type="text/css" href="css/index.css">
<script src="https://code.jquery.com/jquery-1.11.1.min.js"></script>
<script src="https://code.jquery.com/ui/1.10.2/jquery-ui.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js" integrity="sha384-ChfqqxuZUCnJSK3+MXmPNIyE6ZbWh2IMqE241rYiqJxyMiZ6OW/JmZQ5stwEULTy" crossorigin="anonymous"></script>
<script src="https://rawgit.com/Pixabay/jQuery-tagEditor/master/jquery.tag-editor.min.js"></script>
<script src="https://rawgit.com/Pixabay/jQuery-tagEditor/master/jquery.caret.min.js"></script>
<script src="js/classes.js"></script>
</head>
<body>
<a href="https://github.com/MarcoFavorito/my-bookshelf"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_darkblue_121621.png" alt="Fork me on GitHub"></a>
<div class="container">
<div class="row">
<div class="col">
<h1>My bookshelf</h1>
</div>
</div>
<div class="row">
<div class="col" id="available-tags">
Available tags:
</div>
</div>
<div class="row">
<div class="col">
<textarea id="tagEditor"></textarea>
</div>
</div>
<div class="row">
<div class="col">
<div id="booksList"></div>
</div>
</div>
</div>
<script>
var bookshelf;
fetch('./bookshelf.tsv')
.then(function(response) {
return response.text();
}).then(function(text){
main(text);
});
function getItemFromLine(line){
var tokens = line.split("\t");
var name = tokens[0];
var link = tokens[1];
var b = new Item(name, link);
return b;
}
function getTagsFromLine(line){
var tags = line.split("\t").slice(2);
tags = new Set(tags);
tags.delete("");
return tags
}
function parseBookshelfFile(text){
var tag2items = new Map();
var item2tags = new Map();
lines = text.split("\n");
for (var i=1; i<lines.length-1; i++){
var cur_line = lines[i];
var b = getItemFromLine(cur_line);
var tags = getTagsFromLine(cur_line);
item2tags.set(b, tags);
for (var cur_tag of tags){
if (!(tag2items.has(cur_tag))){
tag2items.set(cur_tag, new Set());
}
tag2items.get(cur_tag).add(b);
}
}
return new Bookshelf(item2tags, tag2items);
}
function buildItemList(items, bookshelf){
var list = "";
for (var item of items){
var item_tags = bookshelf.item2tags.get(item);
var item_array = Array.from(item_tags);
var tag_string = item_array.join(", ");
var dot = "<li><a href='" + item.link +
"' title='" + tag_string + "'>" + item.name + "</a></li>";
list = list + "\n" + dot;
}
return "<ul>" + list + "</ul>\n";
}
function findItemsFromTagListAND(tags, bookshelf){
var temp_items = new Set();
var items = new Set();
for (var i=0; i<tags.length; i++){
var items_from_tag = bookshelf.tag2items.get(tags[i]);
if (i==0){
temp_items = new Set(items_from_tag);
}
else{
temp_items = new Set([...items_from_tag]
.filter(x => items.has(x)));
}
items = new Set(temp_items);
temp_items = new Set();
}
return items;
}
function onTagChange(field, editor, tags) {
$("#booksList").empty();
if (tags.length==0 || field==null){
$("#booksList").append("<h2>All tags</h2>");
tags = bookshelf.tag2items.keys();
}
else if (tags.length > 1) {
items = findItemsFromTagListAND(tags, bookshelf);
$("#booksList").append("<h2>" + new Array(tags).join(" & ") + "</h2>");
var list = buildItemList(items, bookshelf);
$("#booksList").append(list);
}
for (var tag of tags){
var items_from_tag = bookshelf.tag2items.get(tag);
var list = buildItemList(items_from_tag, bookshelf);
$("#booksList").append("<h2>" + tag + "</h2>");
$("#booksList").append(list);
}
}
function setup_tag_editor(tags){
$('#tagEditor').tagEditor({
autocomplete: {
autoFocus: true,
source: tags,
minLength: 1,
delay: 0
},
placeholder: 'Enter tags, e.g. machine-learning, algorithms, computer-programming, papers, textbooks, websites, ...',
onChange: onTagChange,
});
onTagChange(null, null, tags);
}
function setup_tag_list(tags){
var container = $('#available-tags');
for (var tag of tags){
var tag_id = `#tag-${tag}`;
var code_tag = $(`<code id=\"${tag_id}\">${tag}</code>`);
code_tag.click(onclick_tag(tag));
code_tag.addClass("tag_code tag_off")
container.append(code_tag);
container.append(" ");
}
}
function onclick_tag(tag){
var f = function(){
var current_tag = tag;
var clicked = false;
return function(){
if (clicked == false){
$('#tagEditor').tagEditor('addTag', current_tag);
clicked = true;
}
else{
$('#tagEditor').tagEditor('removeTag', current_tag);
clicked = false;
}
};
}();
return f;
}
function main(text){
bookshelf = parseBookshelfFile(text);
var tags = bookshelf.tag2items.keys();
var tag_array = Array.from(tags);
setup_tag_editor(tag_array);
setup_tag_list(tag_array);
}
</script>
</body>
</html>