Add Images to Taxonomies

gistfile1.txt

/******Step 1, Add to Functions.php **************
**************************************************/

add_action( 'admin_init', 'custom_add_taxonomy_archive_options' );
/**
 * Loop through the custom taxonomies and add the archive options to each
 * custom taxonomy edit screen.
 *
 * @category Genesis
 * @package Admin
 * @subpackage Term-Meta
 *
 * @since 1.6.0
 *
 * @see genesis_taxonomy_archive_options() Add Disyplay title / description checkboxes
 */
function custom_add_taxonomy_archive_options() {

  foreach ( get_taxonomies( array( 'show_ui' => true ) ) as $tax_name ) {
      remove_action($tax_name . '_edit_form', 'genesis_taxonomy_archive_options', 10, 2 );
      add_action( $tax_name . '_edit_form', 'custom_taxonomy_archive_options', 10, 2 );
		}

}

/**
 * Add new fields for display on archives.
 *
 * Displays on the category / tag edit forms.
 * The variables $tag and $taxonomy are passed via the hook so that we can use
 * them.
 *
 * @category Genesis
 * @package Admin
 * @subpackage Term-Meta
 *
 * @since 1.6.0
 *
 * @see genesis_add_taxonomy_archive_options() Callback caller
 *
 * @param string $tag Name of the term
 * @param string $taxonomy Name of the taxnomy
 */
function custom_taxonomy_archive_options( $tag, $taxonomy ) {

	$tax = get_taxonomy( $taxonomy );
	?>
	<h3><?php echo esc_html( $tax->labels->singular_name ) . ' ' . __( 'Archive Settings', 'genesis' ); ?></h3>
	<table class="form-table">
		<tbody>
			<tr>
				<th scope="row" valign="top"><label for="meta[headline]"><?php _e( 'Archive Headline', 'genesis' ); ?></label></th>
				<td>
					<input id="meta[headline]" name="meta[headline]" type="text" value="<?php echo esc_attr( $tag->meta['headline'] ); ?>" size="40" />
					<p class="description"><?php _e( 'Leave empty if you do not want to display a headline.', 'genesis' ); ?></p>
				</td>
			</tr>
			<tr>
				<th scope="row" valign="top"><label for="meta[intro_text]"><?php _e( 'Archive Intro Text', 'genesis' ); ?></label></th>
				<td>
					<textarea id="meta[intro_text]" class="widefat" name="meta[intro_text]" rows="5" cols="30"><?php echo esc_textarea( $tag->meta['intro_text'] ); ?></textarea>
					<p class="description"><?php _e( 'Leave empty if you do not want to display any intro text.', 'genesis' ); ?></p>
				</td>
			</tr>
			<tr>
				<th scope="row" valign="top"><label for="meta[archive_image_url]"><?php _e( 'Archive Image', 'genesis' ); ?></label></th>
				<td>
					<input id="meta[archive_image_url]" name="meta[archive_image_url]" type="text" value="<?php echo esc_url( $tag->meta['archive_image_url'] ); ?>" size="40" />
					<p class="description"><?php _e( 'Leave empty if you do not want to display a archive image.', 'genesis' ); ?></p>
				</td>
			</tr>
		</tbody>
	</table>
	<?php
}

add_filter( 'genesis_term_meta', 'custom_term_meta', 10, 3);

function custom_term_meta($value, $term, $taxonomy) {
  if ( !isset ($value['archive_image_url'] )) {
    $value['archive_image_url'] = '';
  }
  return $value;
}

remove_action( 'genesis_before_loop', 'genesis_do_taxonomy_title_description', 15 );
add_action( 'genesis_before_loop', 'custom_do_taxonomy_title_description', 15 );
/**
 * Add custom headline and / or description to category / tag / taxonomy archive pages.
 *
 * If the page is not a category, tag or taxonomy term archive, or we're not on
 * the first page, or there's no term, or no term meta set, then nothing extra
 * is displayed.
 *
 * If there's a title to display, it is marked up as a level 1 heading.
 * If there's a description to display, it runs through wpautop() before being
 * added to a div.
 *
 * @since 1.3.0
 *
 * @global WP_Query $wp_query
 * @return null Returns null if not the correct achive page, not page 1, or no
 * term meta is set.
 */
function custom_do_taxonomy_title_description() {

	global $wp_query;

	if ( ! is_category() && ! is_tag() && ! is_tax() )
		return;

	if ( get_query_var( 'paged' ) >= 2 )
		return;

	$term = is_tax() ? get_term_by( 'slug', get_query_var( 'term' ), get_query_var( 'taxonomy' ) ) : $wp_query->get_queried_object();

	if ( ! $term || ! isset( $term->meta ) )
		return;

	$headline = $intro_text = '';

	if ( $term->meta['headline'] )
		$headline = sprintf( '<h1>%s</h1>', $term->meta['headline'] );
	if ( $term->meta['intro_text'] )
		$intro_text = wpautop($term->meta['intro_text']);
	if ( $term->meta['archive_image_url'] )
    $imageUrl = $term->meta['archive_image_url'];

	if ( $headline || $intro_text || $imageUrl) {
		printf ('<div class="taxonomy-description">%s<div class="category-description-content">' , $headline);
    if ( !empty($imageUrl) ) {
      printf( '<img src="%s"></img>', $imageUrl );
    }
    echo $intro_text;
		echo '</div></div>';
	}
}


/**
 * Add term meta to results of get_terms
 * See /genesis/lib/functions/options.php for more info
 *
 *
 * Genesis is forced to create its own term-meta data structure in
 * the options table. Therefore, the following function merges that
 * data into the term data structure, via a filter.
 *
 * @param array $terms
 * @param string $taxonomy Taxonomy name that $terms are part of.
 * @param array $args
 * @return array $terms*/
 
function be_get_terms_filter( $terms, $taxonomy, $args ) {
	foreach( $terms as $term )
		$term = genesis_get_term_filter( $term, $taxonomy );
		
	return $terms;
}
add_filter( 'get_terms', 'be_get_terms_filter', 10, 3 );


function get_the_term_image_list( $id, $taxonomy, $before = '', $sep = '', $after = '' ) {
		$terms = get_the_terms( $id, $taxonomy );
		
		if ( is_wp_error( $terms ) )
		return $terms;
		
		if ( empty( $terms ) )
		return false;
		
		foreach ( $terms as $term ) {
					$link = get_term_link( $term, $taxonomy );
					
					if ( is_wp_error( $link ) )
					return $link;
					$term_links[] = '<a href="' . esc_url( $link ) . '" rel="tag">' . $term->name . '</a>';
		}
		
		$term_links = apply_filters( "term_links-$taxonomy", $term_links );	
		
		return $before . join( $sep, $term_links ) . $after;
}

/******Step 2 Shortcode to return clickable image+tax-name+text(tax-term) **********
************************************************************************************/
function custom_do_taxonomy_title_image ($atts){
   extract(shortcode_atts(array(
      'tname'=>'category',
      'tnicename'=>'category',
   ), $atts));



  $term = get_term_by( 'name', strip_tags(do_shortcode('[post_terms before="" taxonomy="'.$tname.'"]')), $tname );

	if ( ! $term || ! isset( $term->meta ) )
		return;

	$headline = $intro_text = '';
	
	if ( $term->meta['archive_image_url'] )
    	$imageUrl = $term->meta['archive_image_url'];
    	$urls= $term->slug;
    


	if ( $term->name )
		$headline = sprintf( '<span class="terms">%s</span>', $term->name);
	
	$link = get_term_link( $term, $tname );
	

	if ( $headline || $intro_text || $imageUrl) {
		$return_string .='<a href="' . esc_url( $link ) . '" rel="tag">';
		
    if ( !empty($imageUrl) ) {
      	$return_string .='<div class="tax-image"><img src="'.$imageUrl.'"></img></div>';
    }
    	
    	$return_string .= '<div class="tax-name">'.$tnicename.'</div>
    	<div class="tax-term-text">'.$headline.'</div></a>';
	}
		return $return_string;
}

add_shortcode('tax-terms-image', 'custom_do_taxonomy_title_image');

Probably not the best way to do this - any comments welcome!