tripal/tripal_feature/views/handlers/views_handler_field_residues.inc

<?php
/**
 * A handler to provide proper displays for sequence residues.
 *
 * @ingroup views_field_handlers
 */
class views_handler_field_residues extends views_handler_field {

	function construct() {
		parent::construct();
      $this->additional_fields['residues'] = array('table' => 'feature', 'field' => 'residues');
	}

	function query() { 
		$this->ensure_my_table();
		$this->add_additional_fields(); 
	}

  function render($values) {
    // add a <br> every 100 bp
    return ereg_replace("(.{100})","\\1<br>",$values->feature_residues);

  }
}