<?php

/**
 * This file defines the template report generator class.
 *
 * @package CGExtensions
 * @category Reports
 * @author  calguy1000 <calguy1000@cmsmadesimple.org>
 * @copyright Copyright 2010 by Robert Campbell
 */

namespace CGExtensions\reports;

/**
 * This class generates a report by first generating a series of structured data
 * then passing the entire report output through to a single smarty template.
 */
class template_report_generator extends data_report_generator
{
    /**
     * @ignore
     */
    private $_template;

    /**
     * @ignore
     */
    private $_data = array('structure'=>array());

    /**
     * @ignore
     */
    private $_rec;

    /**
     * Set the template to use for formatting the report.
     *
     * If a string ending with .tpl is provided then a file template for the current module is assumed.
     * Otherwise, a database template for the current module is assumed.
     * If no current module (i.e: the request is not for a module action) can be determined, then
     * The smarty 'file' resource is assumed.
     *
     * @param string $tpl
     */
    public function set_template($tpl)
    {
        $this->_template = trim($tpl);
    }

    /**
     * Get the template to use for formatting the report.
     *
     * @return string
     */
    protected function get_template()
    {
        return $this->_template;
    }

    /**
     * @ignore
     */
    protected function start()
    {
        // todo: throw an exception if there is no template
    }

    /**
     * Get the output of the report.
     *
     * @return mixed the actual output format depends upon the template that is provided.
     */
    public function get_output()
    {
        $out = null;
        $data = parent::get_output();
        if( !is_array($data) ) return $out;

        $smarty = cmsms()->GetSmarty();
        $smarty->assign('report_data',$data);
        $actionmodule = $smarty->get_template_vars('actionmodule');
        if( $actionmodule ) {
            $mod = cms_utils::get_module($actionmodule);
            if( is_object($mod) ) {
                if( endswith($this->get_template(),'.tpl') ) {
                    $out = $mod->ProcessTemplate($this->get_template());
                }
                else {
                    $out = $mod->ProcessTemplateFromDatabase($this->get_template());
                }
            }
        }
        else {
            $out = $smarty->fetch('file:'.$template);
        }
        return $out;
    }
} // end of class

?>
