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<?php
/**
 * The Template for displaying all single posts.
 */

if(get_post_meta($post->ID, 'is_infographic', TRUE) || in_category('infographic')) {
	include('single-infographic.php');
} else {

get_header();
?>

... Your Stuff here

<?php get_footer(); } ?>

<?php
/**
 * The Template for displaying Infographic posts.
 */

get_header();
?>

... Your stuff here.				

						<?php
							$image_url = get_post_meta($post->ID, 'image_url', TRUE);
							$link_text = get_post_meta($post->ID, 'link_text', TRUE);
							$content_placement = get_post_meta($post->ID, 'content_placement', TRUE);
							if( $content_placement == 'content-above-everything' || $content_placement == '' ) { the_content(); }
						?>
						<p><a href="<?php the_permalink(); ?>"> <img alt="" border="0" src="<?php echo $image_url; ?>"></a></p>
						<?php if( $content_placement == 'content-below-infographic' ) { the_content(); } ?>
						<h3>Embed the image above on your site</h3>
						<p><textarea>&lt;a href=&quot;<?php the_permalink(); ?>&quot;&gt;&lt;img src=&quot;<?php echo $image_url; ?>&quot; alt=&quot;<?php the_title(); ?>&quot; width=&quot;500&quot; border=&quot;0&quot; /&gt;&lt;/a&gt;&lt;br /&gt;Presented By: &lt;a href=&quot;<?php the_permalink(); ?>&quot;&gt;Please Include Attribution to <?php if($link_text) { echo $link_text; } else { echo get_option('blogname'); }; ?> With This Graphic&lt;/a&gt;</textarea></p>
						<?php if( $content_placement == 'content-below-everything' ) { the_content(); } ?>
				
... Finish up your stuff

<?php get_footer(); ?>

Here's what the backend looks like:

http://cloud.jen.gs/LNqx

This works if there is an Infographics category, or if the user checks the Is this an infographic? box (in case the user doesn't want to have a special category for it).

<?php

/* POST CUSTOM FIELDS UI
********************************************************************************************************************************/
include_once('functions/fn-post-custom-fields-infographic.php');

?>

<?php 
$ig_post_custom_fields = array (
	"infographic" => array(
		"name" => "is_infographic",
		"std" => "",
		"title" => "Is this an infographic post?",
		"description" => "If you check this box, we'll add a Pin It share option.",
		"type" => "checkbox"),

	"image_url" => array(
		"name" => "image_url",
		"std" => "",
		"title" => "Image url",
		"description" => "Image for infographic posts.",
		"type" => "input"),

	"link_text" => array(
		"name" => "link_text",
		"std" => "",
		"title" => "Link text",
		"description" => "Optional! Enter the name of the site as you wish it to appear after the From:. If you enter nothing, we'll use the name of the blog from the General Settings tab.",
		"type" => "input"),
		
	"content_placement" => array(
		"name" => "content_placement",
		"std" => "",
		"options" => array("Content Above Everything", "Content Below Infographic", "Content Below Everything"),
		"title" => "Content Placement",
		"description" => "Do you want the content to be above the infographic, below the infographic but above the embed code, or below everything?",
		"type" => "radio"),
);

function ig_post_custom_fields() {
			echo '<p style="margin-bottom:10px;"><b>Don\'t put your infographic code in the box above. Instead, complete this form and we\'ll put it together for you.</b></p><hr>';
	global $post, $ig_post_custom_fields;
	foreach($ig_post_custom_fields as $ig) {
		$ig_value = stripslashes(get_post_meta($post->ID, $ig['name'], true));
		if($ig_value == "")
			$ig_value = $ig['std'];

			echo '<p style="margin-bottom:10px;">';
			echo '<input type="hidden" name="'.$ig['name'].'_box" id="'.$ig['name'].'_box" value="'.wp_create_nonce( plugin_basename(__FILE__) ).'" />';

			switch ( $ig[ 'type' ] ) {
				case "checkbox": 
				if ( esc_attr($ig_value) === "true" ){
					$checked = "checked=\"checked\""; 
				} else {
					$checked = "";
				} 
				echo'<label for="'.$ig['name'].'"><input type="'.$ig['type'].'" name="'.$ig['name'].'" id="'.$ig['name'].'" class="checkbox" value="true" '.$checked.'> <strong>'.$ig['title'].'</strong> <small><em>'.$ig['description'].'</em></small></label><br />';
				break;

				case "radio": 
				echo '<p><strong>'.$ig['title'].'</strong> <small><em>'.$ig['description'].'</em></small><br>';
				$radio_options = $ig['options'];
				foreach ($radio_options as $radio_option) {
				$radio_option_combined = strtolower(str_replace(' ', '-', $radio_option));

				if ( esc_attr($ig_value) === $radio_option_combined ){
					$checked = "checked=\"checked\""; 
				} else {
					$checked = "";
				} 


				echo'<label for="'.$radio_option_combined.'"><input type="'.$ig['type'].'" name="'.$ig['name'].'" id="'.$radio_option_combined.'" class="radio" value="'.$radio_option_combined.'" '.$checked.'> <strong>'.$radio_option.'</strong></label>&nbsp;&nbsp;&nbsp;&nbsp;';
				}
				echo '</p>';
				break;

				case "input": 
				echo'<label for="'.$ig['name'].'"><strong>'.$ig['title'].'</strong> <small><em>'.$ig['description'].'</em></small></label><br><input type="'.$ig['type'].'" name="'.$ig['name'].'" id="'.$ig['name'].'" value="'.esc_attr($ig_value).'" style="width:98%;"><br>';
				break;
			}
			echo '</p>';
	}
}

function create_post_meta_box() {
	global $theme_name;
		if ( function_exists('add_meta_box') ) {
			add_meta_box( 'new-meta-boxes', 'Infographic Image', 'ig_post_custom_fields', 'post', 'normal', 'high' );
	}
}

function save_postdata( $post_id ) {
	global $post, $ig_post_custom_fields;
	foreach($ig_post_custom_fields as $ig) {
		// Verify
		if(isset($_POST[$ig['name'].'_box'])) {
			if ( !wp_verify_nonce( $_POST[$ig['name'].'_box'], plugin_basename(__FILE__) )) {
				return $post_id;
			}
			if ( 'page' == $_POST['post_type'] ) {
				if ( !current_user_can( 'edit_page', $post_id ))
					return $post_id;
				} else {
				if ( !current_user_can( 'edit_post', $post_id ))
					return $post_id;
			}
		}
		//skip auto save
		if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
			return $post_id;
		}
		if(isset($_POST[$ig['name']])) {
			$data = $_POST[$ig['name']];
			if(get_post_meta($post_id, $ig['name']) == "")
				add_post_meta($post_id, $ig['name'], $data, true);
			elseif($data != get_post_meta($post_id, $ig['name'], true))
				update_post_meta($post_id, $ig['name'], $data);
		} else {
				delete_post_meta($post_id, $ig['name'], get_post_meta($post_id, $ig['name'], true));
		}
	}
}

add_action('admin_menu', 'create_post_meta_box');
add_action('save_post', 'save_postdata');
?>