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<?php
/**
* Admin taxonomy functions
*
* These functions control admin interface bits like category ordering.
*
* @author WooThemes
* @category Admin
* @package WooCommerce/Admin/Taxonomies
* @version 1.6.4
*/

/**
* Category thumbnail fields.
*
* @access public
* @return void
*/
function woocommerce_add_category_thumbnail_field() {
global $woocommerce;
?>
<div class="form-field">
<label><?php _e('Thumbnail', 'woocommerce'); ?></label>
<div id="product_cat_thumbnail" style="float:left;margin-right:10px;"><img src="<?php echo woocommerce_placeholder_img_src(); ?>" width="60px" height="60px" /></div>
<div style="line-height:60px;">
<input type="hidden" id="product_cat_thumbnail_id" name="product_cat_thumbnail_id" />
<button type="submit" class="upload_image_button button"><?php _e('Upload/Add image', 'woocommerce'); ?></button>
<button type="submit" class="remove_image_button button"><?php _e('Remove image', 'woocommerce'); ?></button>
</div>
<script type="text/javascript">
// Only show the "remove image" button when needed
if ( ! jQuery('#product_cat_thumbnail_id').val() )
jQuery('.remove_image_button').hide();

window.send_to_editor_default = window.send_to_editor;

window.send_to_termmeta = function(html) {

jQuery('body').append('<div id="temp_image">' + html + '</div>');

var img = jQuery('#temp_image').find('img');

imgurl = img.attr('src');
imgclass = img.attr('class');
imgid = parseInt(imgclass.replace(/\D/g, ''), 10);

jQuery('#product_cat_thumbnail_id').val(imgid);
jQuery('#product_cat_thumbnail img').attr('src', imgurl);
jQuery('.remove_image_button').show();
jQuery('#temp_image').remove();

tb_remove();

window.send_to_editor = window.send_to_editor_default;
}

jQuery('.upload_image_button').live('click', function(){
var post_id = 0;

window.send_to_editor = window.send_to_termmeta;

tb_show('', 'media-upload.php?post_id=' + post_id + '&amp;type=image&amp;TB_iframe=true');
return false;
});

jQuery('.remove_image_button').live('click', function(){
jQuery('#product_cat_thumbnail img').attr('src', '<?php echo woocommerce_placeholder_img_src(); ?>');
jQuery('#product_cat_thumbnail_id').val('');
jQuery('.remove_image_button').hide();
return false;
});

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

add_action( 'product_cat_add_form_fields', 'woocommerce_add_category_thumbnail_field' );
add_action( 'product_cat_edit_form_fields', 'woocommerce_edit_category_thumbnail_field', 10,2 );


/**
* Edit category thumbnail field.
*
* @access public
* @param mixed $term Term (category) being edited
* @param mixed $taxonomy Taxonomy of the term being edited
* @return void
*/
function woocommerce_edit_category_thumbnail_field( $term, $taxonomy ) {
global $woocommerce;

$image = '';
$thumbnail_id = get_woocommerce_term_meta( $term->term_id, 'thumbnail_id', true );
if ($thumbnail_id) :
$image = wp_get_attachment_url( $thumbnail_id );
else :
$image = woocommerce_placeholder_img_src();
endif;
?>
<tr class="form-field">
<th scope="row" valign="top"><label><?php _e('Thumbnail', 'woocommerce'); ?></label></th>
<td>
<div id="product_cat_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="product_cat_thumbnail_id" name="product_cat_thumbnail_id" value="<?php echo $thumbnail_id; ?>" />
<button type="submit" class="upload_image_button button"><?php _e('Upload/Add image', 'woocommerce'); ?></button>
<button type="submit" class="remove_image_button button"><?php _e('Remove image', 'woocommerce'); ?></button>
</div>
<script type="text/javascript">

window.send_to_termmeta = function(html) {

jQuery('body').append('<div id="temp_image">' + html + '</div>');

var img = jQuery('#temp_image').find('img');

imgurl = img.attr('src');
imgclass = img.attr('class');
imgid = parseInt(imgclass.replace(/\D/g, ''), 10);

jQuery('#product_cat_thumbnail_id').val(imgid);
jQuery('#product_cat_thumbnail img').attr('src', imgurl);
jQuery('#temp_image').remove();

tb_remove();
}

jQuery('.upload_image_button').live('click', function(){
var post_id = 0;

window.send_to_editor = window.send_to_termmeta;

tb_show('', 'media-upload.php?post_id=' + post_id + '&amp;type=image&amp;TB_iframe=true');
return false;
});

jQuery('.remove_image_button').live('click', function(){
jQuery('#product_cat_thumbnail img').attr('src', '<?php echo woocommerce_placeholder_img_src(); ?>');
jQuery('#product_cat_thumbnail_id').val('');
return false;
});

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

/**
* woocommerce_category_thumbnail_field_save 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 woocommerce_category_thumbnail_field_save( $term_id, $tt_id, $taxonomy ) {
if ( isset( $_POST['product_cat_thumbnail_id'] ) )
update_woocommerce_term_meta( $term_id, 'thumbnail_id', $_POST['product_cat_thumbnail_id'] );
}

add_action( 'created_term', 'woocommerce_category_thumbnail_field_save', 10,3 );
add_action( 'edit_term', 'woocommerce_category_thumbnail_field_save', 10,3 );


/**
* Description for product_cat page to aid users.
*
* @access public
* @return void
*/
function woocommerce_product_cat_description() {

echo wpautop( __( 'Product categories for your store can be managed here. To change the order of categories on the front-end you can drag and drop to sort them. To see more categories listed click the "screen options" link at the top of the page.', 'woocommerce' ) );

}

add_action( 'product_cat_pre_add_form', 'woocommerce_product_cat_description' );


/**
* Description for shipping class page to aid users.
*
* @access public
* @return void
*/
function woocommerce_shipping_class_description() {

echo wpautop(__('Shipping classes can be used to group products of similar type. These groups can then be used by certain shipping methods to provide different rates to different products.', 'woocommerce'));

}

add_action( 'product_shipping_class_pre_add_form', 'woocommerce_shipping_class_description' );


/**
* Fix for the per_page option
*
* Trac: http://core.trac.wordpress.org/ticket/19465
*
* @access public
* @param mixed $per_page
* @param mixed $post_type
* @return void
*/
function woocommerce_fix_edit_posts_per_page( $per_page, $post_type ) {

if ( $post_type !== 'product' )
return $per_page;

$screen = get_current_screen();

if ( strstr( $screen->id, '-' ) ) {

$option = 'edit_' . str_replace( 'edit-', '', $screen->id ) . '_per_page';

if ( isset( $_POST['wp_screen_options']['option'] ) && $_POST['wp_screen_options']['option'] == $option ) {

update_user_meta( get_current_user_id(), $option, $_POST['wp_screen_options']['value'] );

wp_redirect( remove_query_arg( array('pagenum', 'apage', 'paged'), wp_get_referer() ) );
exit;

}

$user_per_page = (int) get_user_meta( get_current_user_id(), $option, true );

if ( $user_per_page )
$per_page = $user_per_page;

}

return $per_page;
}

add_filter( 'edit_posts_per_page', 'woocommerce_fix_edit_posts_per_page', 1, 2 );


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

unset( $columns['cb'] );

return array_merge( $new_columns, $columns );
}

add_filter( 'manage_edit-product_cat_columns', 'woocommerce_product_cat_columns' );


/**
* Thumbnail column value added to category admin.
*
* @access public
* @param mixed $columns
* @param mixed $column
* @param mixed $id
* @return void
*/
function woocommerce_product_cat_column( $columns, $column, $id ) {
global $woocommerce;

if ( $column == 'thumb' ) {

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

if ($thumbnail_id)
$image = wp_get_attachment_url( $thumbnail_id );
else
$image = woocommerce_placeholder_img_src();

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

}

return $columns;
}

add_filter( 'manage_product_cat_custom_column', 'woocommerce_product_cat_column', 10, 3 );


/**
* Add a configure button column for the shipping classes page.
*
* @access public
* @param mixed $columns
* @return void
*/
function woocommerce_shipping_class_columns( $columns ) {
$columns['configure'] = '&nbsp;';
return $columns;
}

add_filter( 'manage_edit-product_shipping_class_columns', 'woocommerce_shipping_class_columns' );


/**
* Add a configure button for the shipping classes page.
*
* @access public
* @param mixed $columns
* @param mixed $column
* @param mixed $id
* @return void
*/
function woocommerce_shipping_class_column( $columns, $column, $id ) {
if ( $column == 'configure' )
$columns .= '<a href="'. admin_url( 'edit-tags.php?action=edit&taxonomy=product_shipping_class&tag_ID='. $id .'&post_type=product' ) .'" class="button alignright">'.__('Configure shipping class', 'woocommerce').'</a>';

return $columns;
}

add_filter( 'manage_product_shipping_class_custom_column', 'woocommerce_shipping_class_column', 10, 3 );
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