84 lines
2.5 KiB
PHP
84 lines
2.5 KiB
PHP
<?php
|
|
/*
|
|
Plugin Name: Juxtapose
|
|
Plugin URI: https://github.com/fcingolani/wordpress-juxtapose
|
|
Description: Adds a [juxtapose] shortcode to embed Northwestern University Knight Lab's JuxtaposeJS frame comparisons.
|
|
Author: Federico Cingolani
|
|
Version: 1.1
|
|
Author URI: https://fcingolani.com.ar/
|
|
*/
|
|
|
|
class Juxtapose
|
|
{
|
|
static $shortcode_rendered;
|
|
|
|
static function initialize()
|
|
{
|
|
self::$shortcode_rendered = false;
|
|
|
|
add_shortcode("juxtapose", [__CLASS__, "shortcode"]);
|
|
|
|
add_action("init", [__CLASS__, "init"]);
|
|
add_action("wp_footer", [__CLASS__, "wp_footer"]);
|
|
}
|
|
|
|
// TODO: Sanitize attributes
|
|
static function shortcode($atts)
|
|
{
|
|
self::$shortcode_rendered = true;
|
|
|
|
wp_enqueue_script("juxtapose");
|
|
|
|
$a = shortcode_atts(
|
|
[
|
|
"startingposition" => 50,
|
|
"showlabels" => true,
|
|
"showcredits" => true,
|
|
"animate" => true,
|
|
"mode" => "horizontal",
|
|
|
|
"leftsrc" => "",
|
|
"leftlabel" => "",
|
|
"leftcredit" => "",
|
|
|
|
"rightsrc" => "",
|
|
"rightlabel" => "",
|
|
"rightcredit" => "",
|
|
],
|
|
$atts
|
|
);
|
|
|
|
return <<<EOT
|
|
<div class="juxtapose" data-startingposition="{$a["startingposition"]}" data-showlabels="{$a["showlabels"]}" data-showcredits="{$a["showcredits"]}" data-animate="{$a["animate"]}" data-mode="{$a["mode"]}">
|
|
<img src="{$a["leftsrc"]}" data-label="{$a["leftlabel"]}" data-credit="{$a["leftcredit"]}">
|
|
<img src="{$a["rightsrc"]}" data-label="{$a["rightlabel"]}" data-credit="{$a["rightcredit"]}">
|
|
</div>
|
|
<noscript><style>.juxtapose{display:none;}</style><h2><strong>JavaScript Is Needed To View This Juxtapose!</strong></h2></noscript>
|
|
EOT;
|
|
}
|
|
|
|
static function init()
|
|
{
|
|
wp_register_script(
|
|
"juxtapose",
|
|
"https://cdn.jsdelivr.net/npm/juxtaposejs/build/js/juxtapose.min.js",
|
|
null,
|
|
null,
|
|
true
|
|
);
|
|
}
|
|
|
|
static function wp_footer()
|
|
{
|
|
// Should be using wp_enqueue_style, but it can't be used to add styles to the footer.
|
|
// Yeah i know, <link> inside <body> is not valid HTML.
|
|
// But i don't want to load this css when there's not need to.
|
|
// SUE ME.
|
|
if (self::$shortcode_rendered) {
|
|
echo '<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/juxtaposejs/build/css/juxtapose.min.css">';
|
|
}
|
|
}
|
|
}
|
|
|
|
Juxtapose::initialize();
|