product-taxonomy-images.php

<?php

/**
 * Constructor
 */
add_action( 'init', 'tax_image_init' );
function tax_image_init() {
	$tk_taxonomies = array( 'authors', 'publisher' );
	foreach ( $tk_taxonomies as $tk_taxonomy ) {

		// Add form
		add_action( $tk_taxonomy.'_add_form_fields', 'add_category_fields' );
		add_action( $tk_taxonomy.'_edit_form_fields', 'edit_category_fields', 10, 2 );

		// Add columns
		add_filter( 'manage_edit-'.$tk_taxonomy.'_columns', 'taxonomies_columns' );
		add_filter( 'manage_'.$tk_taxonomy.'_custom_column', 'taxonomy_column', 10, 3 );

	}
		add_action( 'created_term', 'save_category_fields', 10, 3 );
		add_action( 'edit_term', 'save_category_fields', 10, 3 );
		// Taxonomy page descriptions
}

/**
 * Category thumbnail fields.
 *
 * @access public
 * @return void
 */
function add_category_fields() {
	?>
	<div class="form-field">
		<label><?php _e( 'Thumbnail', 'textdomain' ); ?></label>
		<div id="taxonomy_thumbnail" style="float:left;margin-right:10px;"><img src="<?php echo wc_placeholder_img_src(); ?>" width="60px" height="60px" /></div>
		<div style="line-height:60px;">
			<input type="hidden" id="taxonomy_thumbnail_id" name="taxonomy_thumbnail_id" />
			<button type="button" class="upload_image_button button"><?php _e( 'Upload/Add image', 'textdomain' ); ?></button>
			<button type="button" class="remove_image_button button"><?php _e( 'Remove image', 'textdomain' ); ?></button>
		</div>
		<?php wp_enqueue_media(); ?>
		<script type="text/javascript">

			 // Only show the "remove image" button when needed
			 if ( ! jQuery('#taxonomy_thumbnail_id').val() )
				 jQuery('.remove_image_button').hide();

			// Uploading files
			var file_frame;

			jQuery(document).on( 'click', '.upload_image_button', function( event ){

				event.preventDefault();

				// If the media frame already exists, reopen it.
				if ( file_frame ) {
					file_frame.open();
					return;
				}

				// Create the media frame.
				file_frame = wp.media.frames.downloadable_file = wp.media({
					title: '<?php _e( 'Choose an image', 'textdomain' ); ?>',
					button: {
						text: '<?php _e( 'Use image', 'textdomain' ); ?>',
					},
					multiple: false
				});

				// When an image is selected, run a callback.
				file_frame.on( 'select', function() {
					attachment = file_frame.state().get('selection').first().toJSON();

					jQuery('#taxonomy_thumbnail_id').val( attachment.id );
					jQuery('#taxonomy_thumbnail img').attr('src', attachment.url );
					jQuery('.remove_image_button').show();
				});

				// Finally, open the modal.
				file_frame.open();
			});

			jQuery(document).on( 'click', '.remove_image_button', function( event ){
				jQuery('#taxonomy_thumbnail img').attr('src', '<?php echo wc_placeholder_img_src(); ?>');
				jQuery('#taxonomy_thumbnail_id').val('');
				jQuery('.remove_image_button').hide();
				return false;
			});

		</script>
		<div class="clear"></div>
	</div>
	<?php
}

/**
 * Edit category thumbnail field.
 *
 * @access public
 * @param mixed $term Term (category) being edited
 * @param mixed $taxonomy Taxonomy of the term being edited
 */
function edit_category_fields( $term, $taxonomy ) {

	$image 			= '';
	$thumbnail_id 	= absint( get_woocommerce_term_meta( $term->term_id, 'thumbnail_id', true ) );
	if ( $thumbnail_id )
		$image = wp_get_attachment_thumb_url( $thumbnail_id );
	else
		$image = wc_placeholder_img_src();
	?>
	<tr class="form-field">
		<th scope="row" valign="top"><label><?php _e( 'Thumbnail', 'textdomain' ); ?></label></th>
		<td>
			<div id="taxonomy_thumbnail" style="float:left;margin-right:10px;"><img src="<?php echo $image; ?>" width="60px" height="60px" /></div>
			<div style="line-height:60px;">
				<input type="hidden" id="taxonomy_thumbnail_id" name="taxonomy_thumbnail_id" value="<?php echo $thumbnail_id; ?>" />
				<button type="submit" class="upload_image_button button"><?php _e( 'Upload/Add image', 'textdomain' ); ?></button>
				<button type="submit" class="remove_image_button button"><?php _e( 'Remove image', 'textdomain' ); ?></button>
			</div>
			<?php wp_enqueue_media(); ?>
			<script type="text/javascript">

				// Uploading files
				var file_frame;

				jQuery(document).on( 'click', '.upload_image_button', function( event ){

					event.preventDefault();

					// If the media frame already exists, reopen it.
					if ( file_frame ) {
						file_frame.open();
						return;
					}

					// Create the media frame.
					file_frame = wp.media.frames.downloadable_file = wp.media({
						title: '<?php _e( 'Choose an image', 'textdomain' ); ?>',
						button: {
							text: '<?php _e( 'Use image', 'textdomain' ); ?>',
						},
						multiple: false
					});

					// When an image is selected, run a callback.
					file_frame.on( 'select', function() {
						attachment = file_frame.state().get('selection').first().toJSON();

						jQuery('#taxonomy_thumbnail_id').val( attachment.id );
						jQuery('#taxonomy_thumbnail img').attr('src', attachment.url );
						jQuery('.remove_image_button').show();
					});

					// Finally, open the modal.
					file_frame.open();
				});

				jQuery(document).on( 'click', '.remove_image_button', function( event ){
					jQuery('#taxonomy_thumbnail img').attr('src', '<?php echo wc_placeholder_img_src(); ?>');
					jQuery('#taxonomy_thumbnail_id').val('');
					jQuery('.remove_image_button').hide();
					return false;
				});

			</script>
			<div class="clear"></div>
		</td>
	</tr>
	<?php
}

/**
 * save_category_fields function.
 *
 * @access public
 * @param mixed $term_id Term ID being saved
 * @param mixed $tt_id
 * @param mixed $taxonomy Taxonomy of the term being saved
 * @return void
 */
function save_category_fields( $term_id, $tt_id, $taxonomy ) {

	if ( isset( $_POST['taxonomy_thumbnail_id'] ) )
		update_woocommerce_term_meta( $term_id, 'thumbnail_id', absint( $_POST['taxonomy_thumbnail_id'] ) );

	delete_transient( 'wc_term_counts' );
}


/**
 * Thumbnail column added to category admin.
 *
 * @access public
 * @param mixed $columns
 * @return array
 */
function taxonomies_columns( $columns ) {
	$new_columns          = array();
	$new_columns['cb']    = $columns['cb'];
	$new_columns['thumb'] = __( 'Image', 'textdomain' );

	unset( $columns['cb'] );

	return array_merge( $new_columns, $columns );
}

/**
 * Thumbnail column value added to category admin.
 *
 * @access public
 * @param mixed $columns
 * @param mixed $column
 * @param mixed $id
 * @return array
 */
function taxonomy_column( $columns, $column, $id ) {

	if ( $column == 'thumb' ) {

		$image 			= '';
		$thumbnail_id 	= get_woocommerce_term_meta( $id, 'thumbnail_id', true );

		if ($thumbnail_id)
			$image = wp_get_attachment_thumb_url( $thumbnail_id );
		else
			$image = wc_placeholder_img_src();

		$columns .= '<img src="' . esc_url( $image ) . '" alt="Thumbnail" class="wp-post-image" height="48" width="48" />';

	}

	return $columns;
}

/**
 * Display author details
 * @author alispx
 * @since  2.0
 */
function alispx_get_author_details() {

	$authors = wp_get_object_terms( get_the_ID(), 'authors' );

	if ( ! empty( $authors ) ) {

		foreach( $authors as $author ){
			$thumbnail_id = get_woocommerce_term_meta( $author->term_id, 'thumbnail_id', true );
			$termlink = get_term_link( $author->slug, 'authors' );?>

			<div class="author_details">
				<?php if ( $thumbnail_id ) : ?>
					<a href="<?php echo $termlink; ?>" class="avatar">
						<img class="author-ava" src="<?php echo wp_get_attachment_url( $thumbnail_id ); ?>" alt="Author" width="50" height="50">
					</a>
				<?php else : ?>
					<a href="<?php echo $termlink; ?>">
						<img class="author-ava" src="<?php echo get_template_directory_uri().'/img/avatar.png'; ?>" alt="Author">
					</a>
				<?php endif; ?>

				<?php if ( $author->description ): ?>
					<p><?php echo $author->description; ?></p>
				<?php else : ?>
					<p><?php _e( 'This author did not have detail information', 'textdomain' ); ?></p>
				<?php endif; ?>
			</div>
	<?php }

	} else {
		_e( 'No Author assigned to this book', 'textdomain' );
	}
}