lainchan/js/favorites.js

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/*
* favorites.js - Allow user to favorite boards and put them in the bar
*
* Copyright (c) 2014 Fredrick Brennan <admin@8chan.co>
*
* Usage:
* $config['additional_javascript'][] = 'js/jquery.min.js';
* $config['additional_javascript'][] = 'js/favorites.js';
*
* XX: favorites.js may conflict with watch.js and compact-boardlist.js
*/
if (!localStorage.favorites) {
localStorage.favorites = '[]';
}
function favorite(board) {
var favorites = JSON.parse(localStorage.favorites);
favorites.push(board);
localStorage.favorites = JSON.stringify(favorites);
};
function unfavorite(board) {
var favorites = JSON.parse(localStorage.favorites);
var index = $.inArray(board, favorites);
if (~index) {
favorites.splice(index, 1);
}
localStorage.favorites = JSON.stringify(favorites);
};
function handle_boards(data) {
var boards = new Array();
data = JSON.parse(data);
$.each(data, function(k, v) {
boards.push('<a href="/'+v+'">'+v+'</a>');
})
if (boards[0]) {
return $('<span class="favorite-boards"></span>').append(' [ '+boards.slice(0,10).join(" / ")+' ] ');
}
}
function add_favorites() {
$('.favorite-boards').remove();
var boards = handle_boards(localStorage.favorites);
$('.boardlist').append(boards);
};
if (active_page == 'thread' || active_page == 'index') {
$(document).ready(function(){
var favorites = JSON.parse(localStorage.favorites);
var is_board_favorite = ~$.inArray(board_name, favorites);
$('header>h1').append('<a id="favorite-star" href="#" data-active="'+(is_board_favorite ? 'true' : 'false')+'" style="color: '+(is_board_favorite ? 'yellow' : 'grey')+'; text-decoration:none">\u2605</span>');
add_favorites();
$('#favorite-star').on('click', function(e) {
e.preventDefault();
if (!$(this).data('active')) {
favorite(board_name);
add_favorites();
$(this).css('color', 'yellow');
$(this).data('active', true);
} else {
unfavorite(board_name);
add_favorites();
$(this).css('color', 'grey');
$(this).data('active', false);
}
});
});
}