📄 block.php
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<?php
// $Id: block.php 1102 2007-10-19 02:55:52Z dugris $
// ------------------------------------------------------------------------ //
// XOOPS - PHP Content Management System //
// Copyright (c) 2000 XOOPS.org //
// <http://www.xoops.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. //
// //
// 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. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program; if not, write to the Free Software //
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA //
// ------------------------------------------------------------------------ //
// Author: Kazumi Ono (AKA onokazu) //
// URL: http://www.myweb.ne.jp/, http://www.xoops.org/, http://jp.xoops.org/ //
// Project: The XOOPS Project //
// ------------------------------------------------------------------------- //
if (!defined('XOOPS_ROOT_PATH')) {
exit();
}
/**
* @author Kazumi Ono <onokazu@xoops.org>
* @copyright copyright (c) 2000 XOOPS.org
**/
/**
* A block
*
* @author Kazumi Ono <onokazu@xoops.org>
* @copyright copyright (c) 2000 XOOPS.org
*
* @package kernel
**/
class XoopsBlock extends XoopsObject
{
/**
* constructor
*
* @param mixed $id
**/
function XoopsBlock($id = null)
{
$this->initVar('bid', XOBJ_DTYPE_INT, null, false);
$this->initVar('mid', XOBJ_DTYPE_INT, 0, false);
$this->initVar('func_num', XOBJ_DTYPE_INT, 0, false);
$this->initVar('options', XOBJ_DTYPE_TXTBOX, null, false, 255);
$this->initVar('name', XOBJ_DTYPE_TXTBOX, null, true, 150);
//$this->initVar('position', XOBJ_DTYPE_INT, 0, false);
$this->initVar('title', XOBJ_DTYPE_TXTBOX, null, false, 150);
$this->initVar('content', XOBJ_DTYPE_TXTAREA, null, false);
$this->initVar('side', XOBJ_DTYPE_INT, 0, false);
$this->initVar('weight', XOBJ_DTYPE_INT, 0, false);
$this->initVar('visible', XOBJ_DTYPE_INT, 0, false);
$this->initVar('block_type', XOBJ_DTYPE_OTHER, null, false);
$this->initVar('c_type', XOBJ_DTYPE_OTHER, null, false);
$this->initVar('isactive', XOBJ_DTYPE_INT, null, false);
$this->initVar('dirname', XOBJ_DTYPE_TXTBOX, null, false, 50);
$this->initVar('func_file', XOBJ_DTYPE_TXTBOX, null, false, 50);
$this->initVar('show_func', XOBJ_DTYPE_TXTBOX, null, false, 50);
$this->initVar('edit_func', XOBJ_DTYPE_TXTBOX, null, false, 50);
$this->initVar('template', XOBJ_DTYPE_OTHER, null, false);
$this->initVar('bcachetime', XOBJ_DTYPE_INT, 0, false);
$this->initVar('last_modified', XOBJ_DTYPE_INT, 0, false);
// for backward compatibility
if (isset($id)) {
if (is_array($id)) {
$this->assignVars($id);
} else {
$blkhandler =& xoops_gethandler('block');
$obj =& $blkhandler->get($id);
foreach (array_keys($obj->getVars() ) as $i) {
$this->assignVar($obj->getVar($i, 'n') );
}
}
}
}
/**
* return the content of the block for output
*
* @param string $format
* @param string $c_type type of content<br>
* Legal value for the type of content<br>
* <ul><li>H : custom HTML block
* <li>P : custom PHP block
* <li>S : use text sanitizater (smilies enabled)
* <li>T : use text sanitizater (smilies disabled)</ul>
* @return string content for output
**/
function getContent($format = 'S', $c_type = 'T')
{
switch ( $format ) {
case 'S':
if ( $c_type == 'H' ) {
return str_replace('{X_SITEURL}', XOOPS_URL.'/', $this->getVar('content', 'N'));
} elseif ( $c_type == 'P' ) {
ob_start();
echo eval($this->getVar('content', 'N'));
$content = ob_get_contents();
ob_end_clean();
return str_replace('{X_SITEURL}', XOOPS_URL.'/', $content);
} elseif ( $c_type == 'S' ) {
$myts =& MyTextSanitizer::getInstance();
$content = str_replace('{X_SITEURL}', XOOPS_URL.'/', $this->getVar('content', 'N'));
return $myts->displayTarea($content, 0, 1);
} else {
$myts =& MyTextSanitizer::getInstance();
$content = str_replace('{X_SITEURL}', XOOPS_URL.'/', $this->getVar('content', 'N'));
return $myts->displayTarea($content, 0, 0);
}
break;
case 'E':
return $this->getVar('content', 'E');
break;
default:
return $this->getVar('content', 'N');
break;
}
}
/**
* (HTML-) form for setting the options of the block
*
* @return string HTML for the form, FALSE if not defined for this block
**/
function getOptions()
{
if ($this->getVar('block_type') != 'C') {
$edit_func = $this->getVar('edit_func');
if (!$edit_func) {
return false;
}
if (file_exists(XOOPS_ROOT_PATH.'/modules/'.$this->getVar('dirname').'/blocks/'.$this->getVar('func_file'))) {
if (file_exists(XOOPS_ROOT_PATH.'/modules/'.$this->getVar('dirname').'/language/'.$GLOBALS['xoopsConfig']['language'].'/blocks.php')) {
include_once XOOPS_ROOT_PATH.'/modules/'.$this->getVar('dirname').'/language/'.$GLOBALS['xoopsConfig']['language'].'/blocks.php';
} elseif (file_exists(XOOPS_ROOT_PATH.'/modules/'.$this->getVar('dirname').'/language/english/blocks.php')) {
include_once XOOPS_ROOT_PATH.'/modules/'.$this->getVar('dirname').'/language/english/blocks.php';
}
include_once XOOPS_ROOT_PATH.'/modules/'.$this->getVar('dirname').'/blocks/'.$this->getVar('func_file');
$options = explode('|', $this->getVar('options'));
$edit_form = $edit_func($options);
if (!$edit_form) {
return false;
}
return $edit_form;
} else {
return false;
}
} else {
return false;
}
}
}
/**
* XOOPS block handler class. (Singelton)
*
* This class is responsible for providing data access mechanisms to the data source
* of XOOPS block class objects.
*
* @author Kazumi Ono <onokazu@xoops.org>
* @copyright copyright (c) 2000 XOOPS.org
* @package kernel
* @subpackage block
*/
class XoopsBlockHandler extends XoopsObjectHandler
{
/**
* create a new block
*
* @see XoopsBlock
* @param bool $isNew is the new block new??
* @return object XoopsBlock reference to the new block
**/
function &create($isNew = true)
{
$block = new XoopsBlock();
if ($isNew) {
$block->setNew();
}
return $block;
}
/**
* retrieve a specific {@link XoopsBlock}
*
* @see XoopsBlock
* @param int $id bid of the block to retrieve
* @return object XoopsBlock reference to the block
**/
function &get($id)
{
$block = false;
$id = intval($id);
if ($id > 0) {
$sql = 'SELECT * FROM '.$this->db->prefix('newblocks').' WHERE bid='.$id;
if ( $result = $this->db->query($sql) ) {
$numrows = $this->db->getRowsNum($result);
if ($numrows == 1) {
$block = new XoopsBlock();
$block->assignVars($this->db->fetchArray($result));
}
}
}
return $block;
}
/**
* write a new block into the database
*
* @param object XoopsBlock $block reference to the block to insert
* @return bool TRUE if succesful
**/
function insert(&$block)
{
/**
* @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
*/
if (!is_a($block, 'xoopsblock')) {
return false;
}
if (!$block->isDirty()) {
return true;
}
if (!$block->cleanVars()) {
return false;
}
foreach ($block->cleanVars as $k => $v) {
${$k} = $v;
}
if ($block->isNew()) {
$bid = $this->db->genId('newblocks_bid_seq');
$sql = sprintf("INSERT INTO %s (bid, mid, func_num, options, name, title, content, side, weight, visible, block_type, c_type, isactive, dirname, func_file, show_func, edit_func, template, bcachetime, last_modified) VALUES (%u, %u, %u, '%s', '%s', '%s', '%s', %u, %u, %u, '%s', '%s', %u, '%s', '%s', '%s', '%s', '%s', %u, %u)", $this->db->prefix('newblocks'), $bid, $mid, $func_num, $options, $name, $title, $content, $side, $weight, $visible, $block_type, $c_type, 1, $dirname, $func_file, $show_func, $edit_func, $template, $bcachetime, time());
} else {
$sql = sprintf("UPDATE %s SET func_num = %u, options = '%s', name = '%s', title = '%s', content = '%s', side = %u, weight = %u, visible = %u, c_type = '%s', isactive = %u, func_file = '%s', show_func = '%s', edit_func = '%s', template = '%s', bcachetime = %u, last_modified = %u WHERE bid = %u", $this->db->prefix('newblocks'), $func_num, $options, $name, $title, $content, $side, $weight, $visible, $c_type, $isactive, $func_file, $show_func, $edit_func, $template, $bcachetime, time(), $bid);
}
if (!$result = $this->db->query($sql)) {
return false;
}
if (empty($bid)) {
$bid = $this->db->getInsertId();
}
$block->assignVar('bid', $bid);
return true;
}
/**
* delete a block from the database
*
* @param object XoopsBlock $block reference to the block to delete
* @return bool TRUE if succesful
**/
function delete(&$block)
{
/**
* @TODO: Change to if (!(class_exists($this->className) && $obj instanceof $this->className)) when going fully PHP5
*/
if (!is_a($block, 'xoopsblock')) {
return false;
}
$id = $block->getVar('bid');
$sql = sprintf("DELETE FROM %s WHERE bid = %u", $this->db->prefix('newblocks'), $id);
if (!$result = $this->db->query($sql)) {
return false;
}
$sql = sprintf("DELETE FROM %s WHERE block_id = %u", $this->db->prefix('block_module_link'), $id);
$this->db->query($sql);
return true;
}
/**
* retrieve array of {@link XoopsBlock}s meeting certain conditions
* @param object $criteria {@link CriteriaElement} with conditions for the blocks
* @param bool $id_as_key should the blocks' bid be the key for the returned array?
* @return array {@link XoopsBlock}s matching the conditions
**/
function getObjects($criteria = null, $id_as_key = false)
{
$ret = array();
$limit = $start = 0;
$sql = 'SELECT DISTINCT(b.*) FROM '.$this->db->prefix('newblocks').' b LEFT JOIN '.$this->db->prefix('block_module_link').' l ON b.bid=l.block_id';
if (isset($criteria) && is_subclass_of($criteria, 'criteriaelement')) {
$sql .= ' '.$criteria->renderWhere();
$limit = $criteria->getLimit();
$start = $criteria->getStart();
}
$result = $this->db->query($sql, $limit, $start);
if (!$result) {
return $ret;
}
while ($myrow = $this->db->fetchArray($result)) {
$block = new XoopsBlock();
$block->assignVars($myrow);
if (!$id_as_key) {
$ret[] =& $block;
} else {
$ret[$myrow['bid']] =& $block;
}
unset($block);
}
return $ret;
}
/**
* get a list of blocks matchich certain conditions
*
* @param string $criteria conditions to match
* @return array array of blocks matching the conditions
**/
function getList($criteria = null)
{
$blocks =& $this->getObjects($criteria, true);
$ret = array();
foreach (array_keys($blocks) as $i) {
$name = ($blocks[$i]->getVar('block_type') != 'C') ? $blocks[$i]->getVar('name') : $blocks[$i]->getVar('title');
$ret[$i] = $name;
}
return $ret;
}
}
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