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toggle-images.js (this was written last year, but I never pushed it to git)

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Michael Foster 2013-07-26 19:39:11 -04:00
parent 595a165fa3
commit baa6793516
1 changed files with 50 additions and 0 deletions
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/*
* toggle-images.js
*
* Released under the MIT license
* Copyright (c) 2012 Michael Save <savetheinternet@tinyboard.org>
*
* Usage:
* $config['additional_javascript'][] = 'js/jquery.min.js';
* $config['additional_javascript'][] = 'js/toggle-images.js';
*
*/
$(document).ready(function(){
var hide_images = localStorage['hideimages'] ? true : false;
$('<style type="text/css"> img.hidden{ opacity: 0.1; background: grey; border: 1px solid #000; } </style>').appendTo($('head'));
var hideImage = function() {
$(this)
.attr('data-orig', this.src)
.attr('src', 'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==')
.addClass('hidden');
};
var restoreImage = function() {
$(this)
.attr('src', $(this).attr('data-orig'))
.removeClass('hidden');
};
$('hr:first').before('<div id="toggle-images" style="text-align:right"><a class="unimportant" href="javascript:void(0)">-</a></div>');
$('div#toggle-images a')
.text((hide_images ? 'Show' : 'Hide') + ' images')
.click(function() {
hide_images = !hide_images;
if (hide_images) {
$('div > a > img').each(hideImage);
localStorage.hideimages = true;
} else {
$('div > a > img').each(restoreImage);
delete localStorage.hideimages;
}
$(this).text((hide_images ? 'Show' : 'Hide') + ' images')
});
if (hide_images) {
$('div > a > img').each(hideImage);
}
});