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Path: /data/applications/aps/xoops/2.5.1a-0/standard/htdocs/class/ [ Home ]
File: theme_blocks.php
<?php
/**
 * xos_logos_PageBuilder component class file
 *
 * You may not change or alter any portion of this comment or credits
 * of supporting developers from this source code or any supporting source code
 * which is considered copyrighted (c) material of the original comment or credit authors.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * @copyright       The XOOPS project http://sourceforge.net/projects/xoops/
 * @license         GNU GPL 2 (http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
 * @author          Skalpa Keo <skalpa@xoops.org>
 * @since           2.3.0
 * @package         kernel
 * @version         $Id: theme_blocks.php 4941 2010-07-22 17:13:36Z beckmi $
 */
 
/**
 * This file cannot be requested directly
 */
defined('XOOPS_ROOT_PATH') or die('Restricted access');

include_once $GLOBALS['xoops']->path('class/xoopsblock.php');
include_once $GLOBALS['xoops']->path('class/template.php');

/**
 * xos_logos_PageBuilder main class
 *
 * @package xos_logos
 * @subpackage xos_logos_PageBuilder
 * @author Skalpa Keo
 * @since 2.3.0
 */
class xos_logos_PageBuilder
{
    var $theme = false;
    var $blocks = array();

    /**
     * xos_logos_PageBuilder::xoInit()
     *
     * @param array $options
     * @return
     */
    function xoInit($options = array())
    {
        $this->retrieveBlocks();
        if ($this->theme) {
            $this->theme->template->assign_by_ref('xoBlocks', $this->blocks);
        }
        return true;
    }

    /**
     * Called before a specific zone is rendered
     */
    function preRender($zone = '')
    {
    }
    /**
     * Called after a specific zone is rendered
     */
    function postRender($zone = '')
    {
    }

    /**
     * xos_logos_PageBuilder::retrieveBlocks()
     *
     * @return
     */
    function retrieveBlocks()
    {
        global $xoopsConfig;
        $xoopsPreload =& XoopsPreload::getInstance();

        $startMod = ($xoopsConfig['startpage'] == '--') ? 'system' : $xoopsConfig['startpage'];
        if (isset($GLOBALS['xoopsModule']) && is_object($GLOBALS['xoopsModule'])) {
            list ($mid, $dirname) = array(
                $GLOBALS['xoopsModule']->getVar('mid') ,
                $GLOBALS['xoopsModule']->getVar('dirname'));
            $isStart = (substr($_SERVER['PHP_SELF'], - 9) == 'index.php' && $xoopsConfig['startpage'] == $dirname);
        } else {
            list ($mid, $dirname) = array(
                0 ,
                'system');
            $isStart = !empty($GLOBALS['xoopsOption']['show_cblock']);
        }

        $groups = (isset($GLOBALS['xoopsUser']) && is_object($GLOBALS['xoopsUser'])) ? $GLOBALS['xoopsUser']->getGroups() : array(
            XOOPS_GROUP_ANONYMOUS);

        $oldzones = array(
            XOOPS_SIDEBLOCK_LEFT => 'canvas_left' ,
            XOOPS_SIDEBLOCK_RIGHT => 'canvas_right' ,
            XOOPS_CENTERBLOCK_LEFT => 'page_topleft' ,
            XOOPS_CENTERBLOCK_CENTER => 'page_topcenter' ,
            XOOPS_CENTERBLOCK_RIGHT => 'page_topright' ,
            XOOPS_CENTERBLOCK_BOTTOMLEFT => 'page_bottomleft' ,
            XOOPS_CENTERBLOCK_BOTTOM => 'page_bottomcenter' ,
            XOOPS_CENTERBLOCK_BOTTOMRIGHT => 'page_bottomright');
        foreach ($oldzones as $zone) {
            $this->blocks[$zone] = array();
        }
        if ($this->theme) {
            $template =& $this->theme->template;
            $backup = array(
                $template->caching ,
                $template->cache_lifetime);
        } else {
            $template = null;
            $template = new XoopsTpl();
        }
        $xoopsblock = new XoopsBlock();
        $block_arr = array();
        $block_arr = $xoopsblock->getAllByGroupModule($groups, $mid, $isStart, XOOPS_BLOCK_VISIBLE);
        $xoopsPreload->triggerEvent('core.class.theme_blocks.retrieveBlocks', array(&$this, &$template, &$block_arr));
        foreach ($block_arr as $block) {
            $side = $oldzones[$block->getVar('side')];
            if ($var = $this->buildBlock($block, $template)) {
                $this->blocks[$side][$var["id"]] = $var;
            }
        }
        if ($this->theme) {
            list ($template->caching, $template->cache_lifetime) = $backup;
        }
    }

    /**
     * xos_logos_PageBuilder::generateCacheId()
     *
     * @param mixed $cache_id
     * @return
     */
    function generateCacheId($cache_id)
    {
        if ($this->theme) {
            $cache_id = $this->theme->generateCacheId($cache_id);
        }
        return $cache_id;
    }

    /**
     * xos_logos_PageBuilder::buildBlock()
     *
     * @param mixed $xobject
     * @param mixed $template
     * @return
     */
    function buildBlock($xobject, &$template)
    {
        // The lame type workaround will change
        // bid is added temporarily as workaround for specific block manipulation
        $block = array(
            'id' => $xobject->getVar('bid') ,
            'module' => $xobject->getVar('dirname') ,
            'title' => $xobject->getVar('title') ,
            // 'name'        => strtolower( preg_replace( '/[^0-9a-zA-Z_]/', '', str_replace( ' ', '_', $xobject->getVar( 'name' ) ) ) ),
            'weight' => $xobject->getVar('weight') ,
            'lastmod' => $xobject->getVar('last_modified'));

        $bcachetime = intval($xobject->getVar('bcachetime'));
        if (empty($bcachetime)) {
            $template->caching = 0;
        } else {
            $template->caching = 2;
            $template->cache_lifetime = $bcachetime;
        }
        $template->setCompileId($xobject->getVar('dirname', 'n'));
        $tplName = ($tplName = $xobject->getVar('template')) ? "db:$tplName" : 'db:system_block_dummy.html';
        $cacheid = $this->generateCacheId('blk_' . $xobject->getVar('bid'));
        /**
         * , $xobject->getVar( 'show_func', 'n' )
         */

        $xoopsLogger =& XoopsLogger::getInstance();
        if (!$bcachetime || !$template->is_cached($tplName, $cacheid)) {
            $xoopsLogger->addBlock($xobject->getVar('name'));
            if ($bresult = $xobject->buildBlock()) {
                $template->assign('block', $bresult);
                $block['content'] = $template->fetch($tplName, $cacheid);
            } else {
                $block = false;
            }
        } else {
            $xoopsLogger->addBlock($xobject->getVar('name'), true, $bcachetime);
            $block['content'] = $template->fetch($tplName, $cacheid);
        }
        $template->setCompileId();
        return $block;
    }
}

?>