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added hooks for tapping into delete with custom callbacks #111

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added hooks for tapping into delete with custom callbacks #111

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6b1d853
added hooks for tapping into delete with custom callbacks
Jul 9, 2014
80a9a65
bugfix
Jul 11, 2014
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21 changes: 18 additions & 3 deletions custom_metadata.php
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Original file line number Diff line number Diff line change
Expand Up @@ -745,6 +745,15 @@ function _get_save_callback( $field ) {
return $callback;
return '';
}

function _get_delete_callback( $field, $object_type ) {
$callback = isset( $field->delete_callback ) ? $field->delete_callback : '';

if ( ! ( $callback && is_callable( $callback ) ) )
$callback = '';

return apply_filters( 'custom_metadata_manager_get_delete_callback', $callback, $field, $object_type );
}

function get_sanitize_callback( $field ) {
$callback = $field->sanitize_callback;
Expand All @@ -763,7 +772,7 @@ function get_display_column_callback( $field ) {
function _get_field_value( $field_slug, $field, $object_type, $object_id ) {

$get_value_callback = $this->_get_value_callback( $field );
echo $get_value_callback;

if( $get_value_callback )
return call_user_func( $get_value_callback, $object_type, $object_id, $field_slug );

Expand Down Expand Up @@ -813,7 +822,13 @@ function _save_field_value( $field_slug, $field, $object_type, $object_id, $valu
}

function _delete_field_value( $field_slug, $field, $object_type, $object_id, $value = false ) {
if( ! in_array( $object_type, $this->_non_post_types ) )

$delete_callback = $this->_get_delete_callback( $field, $object_type );

if($delete_callback)
return call_user_func( $delete_callback, $object_type, $object_id, $field_slug );

if( ! in_array( $object_type, $this->_non_post_types ) )
$object_type = 'post';

$field_slug = sanitize_key( $field_slug );
Expand Down Expand Up @@ -1032,4 +1047,4 @@ function x_add_metadata_field( $slug, $object_types = 'post', $args = array() )
function x_add_metadata_group( $slug, $object_types, $args = array() ) {
global $custom_metadata_manager;
$custom_metadata_manager->add_metadata_group( $slug, $object_types, $args );
}
}