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js/hide-images.js: Hide individual images

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Michael Foster 2013-07-26 19:55:28 -04:00
parent baa6793516
commit a11c8981fe
1 changed files with 81 additions and 0 deletions
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/*
* hide-images.js
* https://github.com/savetheinternet/Tinyboard/blob/master/js/hide-images.js
*
* Hide individual images.
*
* Released under the MIT license
* Copyright (c) 2013 Michael Save <savetheinternet@tinyboard.org>
*
* Usage:
* $config['additional_javascript'][] = 'js/jquery.min.js';
* $config['additional_javascript'][] = 'js/hide-images.js';
*
*/
$(document).ready(function(){
$('<style type="text/css"> img.hidden{ opacity: 0.1; background: grey; border: 1px solid #000; } </style>').appendTo($('head'));
var board = $('form input[name="board"]').val().toString();
if (!localStorage.hiddenimages)
localStorage.hiddenimages = '{}';
// Load data from HTML5 localStorage
var hidden_data = JSON.parse(localStorage.hiddenimages);
var store_data = function() {
localStorage.hiddenimages = JSON.stringify(hidden_data);
};
// Delete old hidden images (30+ days old)
for (var key in hidden_data) {
for (var id in hidden_data[key]) {
if (hidden_data[key][id] < Math.round(Date.now() / 1000) - 60 * 60 * 24 * 30) {
delete hidden_data[key][id];
store_data();
}
}
}
if (!hidden_data[board]) {
hidden_data[board] = {}; // id : timestamp
}
$('div.post > a > img, div > a > img').each(function() {
var img = this;
var fileinfo = $(this).parent().prev();
var id = $(this).parent().parent().find('>p.intro>a.post_no:eq(1),>div.post.op>p.intro>a.post_no:eq(1)').text();
var replacement = $('<span>File <small>(<a class="hide-image-link" href="javascript:void(0)">hide</a>)</small>: </span>');
replacement.find('a').click(function() {
hidden_data[board][id] = Math.round(Date.now() / 1000);
store_data();
var show_link = $('<a href="javascript:void(0)">show</a>').click(function() {
delete hidden_data[board][id];
store_data();
$(img)
.removeClass('hidden')
.attr('src', $(img).data('orig'));
$(this).prev().show();
$(this).remove();
});
$(this).hide().after(show_link);
$(img)
.data('orig', img.src)
.attr('src', 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==')
.addClass('hidden');
});
$(this).parent().prev().contents().first().replaceWith(replacement);
if (hidden_data[board][id])
$(this).parent().prev().find('.hide-image-link').click();
});
});