lainchan/js/toggle-images.js

85 lines
2.4 KiB
JavaScript

/*
* toggle-images.js
*
* Released under the MIT license
* Copyright (c) 2012 Michael Save <savetheinternet@tinyboard.org>
* Copyright (c) 2013-2014 Marcin Łabanowski <marcin@6irc.net>
*
* 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() {
if ($(this).parent()[0].dataset.expanded == 'true') {
$(this).parent().click();
}
$(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');
};
// Fix for hide-images.js
var show_hide_hide_images_buttons = function() {
if (hide_images) {
$('a.hide-image-link').each(function() {
if ($(this).next().hasClass('show-image-link')) {
$(this).next().hide();
}
$(this).hide().after('<span class="toggle-images-placeholder">'+_('hidden')+'</span>');
});
} else {
$('span.toggle-images-placeholder').remove();
$('a.hide-image-link').each(function() {
if ($(this).next().hasClass('show-image-link')) {
$(this).next().show();
} else {
$(this).show();
}
});
}
};
$('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 images') : _('Hide images'))
.click(function() {
hide_images = !hide_images;
if (hide_images) {
$('img.post-image, .theme-catalog .thread>a>img').each(hideImage);
localStorage.hideimages = true;
} else {
$('img.post-image, .theme-catalog .thread>a>img').each(restoreImage);
delete localStorage.hideimages;
}
show_hide_hide_images_buttons();
$(this).text(hide_images ? _('Show images') : _('Hide images'))
});
if (hide_images) {
$('img.post-image, .theme-catalog .thread>a>img').each(hideImage);
show_hide_hide_images_buttons();
}
$(document).on('new_post', function(e, post) {
if (hide_images) {
$(post).find('img.post-image').each(hideImage);
}
});
});