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juxtapose.php
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juxtapose.php
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<?php
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/*
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Plugin Name: Juxtapose
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Plugin URI: http://wordpress.org/plugins/juxtaposejs/
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Plugin URI: https://github.com/fcingolani/wordpress-juxtapose
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Description: Adds a [juxtapose] shortcode to embed Northwestern University Knight Lab's JuxtaposeJS frame comparisons.
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Author: Federico Cingolani
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Version: 1.0
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Author URI: http://fcingolani.com.ar/
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Version: 1.1
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Author URI: https://fcingolani.com.ar/
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*/
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class Juxtapose {
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class Juxtapose
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{
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static $shortcode_rendered;
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static $shortcode_rendered;
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static function initialize()
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{
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self::$shortcode_rendered = false;
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static function initialize() {
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self::$shortcode_rendered = false;
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add_shortcode("juxtapose", [__CLASS__, "shortcode"]);
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add_shortcode('juxtapose', array(__CLASS__, 'shortcode'));
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add_action("init", [__CLASS__, "init"]);
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add_action("wp_footer", [__CLASS__, "wp_footer"]);
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}
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add_action('init', array(__CLASS__, 'init'));
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add_action('wp_footer', array(__CLASS__, 'wp_footer'));
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}
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// TODO: Sanitize attributes
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static function shortcode($atts)
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{
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self::$shortcode_rendered = true;
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// TODO: Sanitize attributes
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static function shortcode( $atts ) {
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self::$shortcode_rendered = true;
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wp_enqueue_script("juxtapose");
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wp_enqueue_script('juxtapose');
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$a = shortcode_atts(
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[
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"startingposition" => 50,
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"showlabels" => true,
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"showcredits" => true,
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"animate" => true,
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"mode" => "horizontal",
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$a = shortcode_atts( array(
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'startingposition' => 50,
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'showlabels' => true,
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'showcredits' => true,
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'animate' => true,
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'mode' => 'horizontal',
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"leftsrc" => "",
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"leftlabel" => "",
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"leftcredit" => "",
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'leftsrc' => '',
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'leftlabel' => '',
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'leftcredit' => '',
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"rightsrc" => "",
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"rightlabel" => "",
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"rightcredit" => "",
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],
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$atts
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);
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'rightsrc' => '',
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'rightlabel' => '',
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'rightcredit' => '',
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), $atts );
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return <<<EOT
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<div class="juxtapose" data-startingposition="{$a['startingposition']}" data-showlabels="{$a['showlabels']}" data-showcredits="{$a['showcredits']}" data-animate="{$a['animate']}" data-mode="{$a['mode']}">
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<img src="{$a['leftsrc']}" data-label="{$a['leftlabel']}" data-credit="{$a['leftcredit']}">
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<img src="{$a['rightsrc']}" data-label="{$a['rightlabel']}" data-credit="{$a['rightcredit']}">
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return <<<EOT
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<div class="juxtapose" data-startingposition="{$a["startingposition"]}" data-showlabels="{$a["showlabels"]}" data-showcredits="{$a["showcredits"]}" data-animate="{$a["animate"]}" data-mode="{$a["mode"]}">
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<img src="{$a["leftsrc"]}" data-label="{$a["leftlabel"]}" data-credit="{$a["leftcredit"]}">
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<img src="{$a["rightsrc"]}" data-label="{$a["rightlabel"]}" data-credit="{$a["rightcredit"]}">
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</div>
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<noscript><style>.juxtapose{display:none;}</style><h2><strong>JavaScript Is Needed To View This Juxtapose!</strong></h2></noscript>
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EOT;
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}
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}
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static function init() {
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wp_register_script( 'juxtapose', "//s3.amazonaws.com/cdn.knightlab.com/libs/juxtapose/latest/js/juxtapose.js", null, null, true );
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}
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static function wp_footer() {
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// Should be using wp_enqueue_style, but it can't be used to add styles to the footer.
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// Yeah i know, <link> inside <body> is not valid HTML.
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// But i don't want to load this css when there's not need to.
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// SUE ME.
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if(self::$shortcode_rendered){
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echo '<link rel="stylesheet" href="//s3.amazonaws.com/cdn.knightlab.com/libs/juxtapose/latest/css/juxtapose.css">';
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}
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}
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static function init()
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{
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wp_register_script(
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"juxtapose",
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"https://cdn.jsdelivr.net/npm/juxtaposejs/build/js/juxtapose.min.js",
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null,
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null,
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true
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);
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}
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static function wp_footer()
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{
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// Should be using wp_enqueue_style, but it can't be used to add styles to the footer.
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// Yeah i know, <link> inside <body> is not valid HTML.
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// But i don't want to load this css when there's not need to.
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// SUE ME.
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if (self::$shortcode_rendered) {
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echo '<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/juxtaposejs/build/css/juxtapose.min.css">';
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}
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}
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}
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Juxtapose::initialize();
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Juxtapose::initialize();
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