source: trunk/workflow/inc/class.workflow_smarty.inc.php @ 1227

<?php
/**************************************************************************\
* eGroupWare                                                               *
* http://www.egroupware.org                                                *
* --------------------------------------------                             *
*  This program is free software; you can redistribute it and/or modify it *
*  under the terms of the GNU General Public License as published by the   *
*  Free Software Foundation; either version 2 of the License, or (at your  *
*  option) any later version.                                              *
\**************************************************************************/

require_once 'smarty/Smarty.class.php';
//require_once 'class.ui_ajaxinterface.inc.php';

/**
 * Classe para utilizar o Smarty na criação de interfaces do módulo.
 * @package Workflow
 * @author Sidnei Augusto Drovetto Jr. - drovetto@gmail.com
 * @license http://www.gnu.org/copyleft/gpl.html GPL
 */
class workflow_smarty extends Smarty
{
        /**
         * Valor usado para indicar a exibição do cabeçalho
         * @name SHOW_HEADER
         */
        const SHOW_HEADER = 1;

        /**
         * Valor usado para indicar a exibição da barra de navegação
         * @name SHOW_NAVIGATION_BAR
         */
        const SHOW_NAVIGATION_BAR = 2;

        /**
         * Valor usado para indicar a exibição do rodapé
         * @name SHOW_FOOTER
         */
        const SHOW_FOOTER = 4;

        /**
         * @var string $expressoHeader Cabeçalho do Expresso.
         * @access public
         */
        public $expressoHeader = '';

        /**
         * @var string $expressoFooter Rodapé do Expresso.
         * @access public
         */
        public $expressoFooter = '';

        /**
         * @var bool $showHeader Indicador de exibição do rodapé
         * @access private
         */
        private $showHeader = true;

        /**
         * @var bool $showNavigationBar Indicador de exibição da barra de navegação (se utilizado, o cabeçalho também será exibido)
         * @access private
         */
        private $showNavigationBar = true;

        /**
         * @var bool $showFooter Indicador de exibição do rodapé
         * @access private
         */
        private $showFooter = true;

   /**
         * Construtor da classe workflow_smarty
         * @param bool $createHeader Indica que o cabeçalho/rodapé devem ser "criados" na criação do objeto (se true, irá criar: cabeçalho, barra de navegação e rodapé)
         * @return object
         * @access public
         */
        function workflow_smarty($createHeader = true)
        {
                $this->Smarty();

                /* define some directories */
                $workflowHomeDirectory = isset($_SESSION['phpgw_info']['workflow']['vfs_basedir']) ?
                        $_SESSION['phpgw_info']['workflow']['vfs_basedir'] . '/workflow':
                        $GLOBALS['phpgw_info']['server']['files_dir'] . '/workflow';
                $smartyDirectory = $workflowHomeDirectory . '/smarty';
                $templateSet = isset($_SESSION['phpgw_info']['workflow']['server']['template_set']) ?
                        $_SESSION['phpgw_info']['workflow']['server']['template_set'] :
                        $GLOBALS['phpgw_info']['server']['template_set'];
                $documentRoot = isset($_SESSION['phpgw_info']['workflow']['server_root']) ?
                        $_SESSION['phpgw_info']['workflow']['server_root'] :
                        $_SERVER['DOCUMENT_ROOT'] . $GLOBALS['phpgw_info']['server']['webserver_url'];

                /* list of directories used by the Smarty Template Engine */
                $directories = array(
                        'home' => $workflowHomeDirectory,
                        'main' => $smartyDirectory,
                        'template' => array(
                                "{$documentRoot}/workflow/templates/{$templateSet}",
                                "{$documentRoot}/workflow/templates/default"
                        ),
                        'compile' => $smartyDirectory . '/compile',
                        'config' => $smartyDirectory . '/config',
                        'cache' => $smartyDirectory . '/cache'
                );

                /* if necessary, create the directories */
                if (!is_dir($directories['main']))
                        foreach ($directories as $key => $dir)
                                if ($key != 'template')
                                        if (!is_dir($dir))
                                                @mkdir($dir,0770);

                /* setup the Smarty configuration */
                $this->template_dir = $directories['template'];
                $this->compile_dir = $directories['compile'];
                $this->config_dir = $directories['config'];
                $this->cache_dir = $directories['cache'];
                $this->plugins_dir[] = $documentRoot . '/workflow/inc/smarty/module_plugins';

                if ($createHeader)
                        $this->setHeader(workflow_smarty::SHOW_HEADER | workflow_smarty::SHOW_NAVIGATION_BAR | workflow_smarty::SHOW_FOOTER);
        }

   /**
         * Define os elementos do template padrão, do ExpressoLivre, que serão exibidos
         * @param int $config Um inteiro que representa quais os elementos que serão exibidos
         * @param string $applicationTitle O título da aplicação, opcional (valor padrão: Workflow)
         * @return void
         * @access public
         */
        public function setHeader($config, $applicationTitle = 'Workflow')
        {
                $this->showHeader = (bool) ($config & workflow_smarty::SHOW_HEADER);
                $this->showNavigationBar = (bool) ($config & workflow_smarty::SHOW_NAVIGATION_BAR);
                $this->showFooter = (bool) ($config & workflow_smarty::SHOW_FOOTER);
                $this->showHeader = $this->showHeader || $this->showNavigationBar;

                $GLOBALS['phpgw_info']['flags']['app_header'] = $applicationTitle;
                $GLOBALS['phpgw_info']['flags'] = array(
                        'noheader' => true,
                        'nonavbar' => true,
                        'currentapp' => 'workflow'
                );

                $this->createHeader();
        }

   /**
         * Cria o cabeçalho de acordo com os elementos selecionados
         * @return void
         * @access private
         */
        private function createHeader()
        {
                /* get the header code */
                if ($this->showHeader)
                {
                        ob_start();
                        $GLOBALS['phpgw']->common->phpgw_header();
                        if ($this->showNavigationBar)
                                parse_navbar();
                        $this->expressoHeader = ob_get_contents();
                        ob_end_clean();
                }

                /* get the footer code */
                if ($this->showFooter)
                {
                        ob_start();
                        $GLOBALS['phpgw']->common->phpgw_footer();
                        $this->expressoFooter = ob_get_contents();
                        ob_end_clean();
                }
        }
}
?>