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<?php
/*------------------------------------------------------------------------
# plugin_googlemap3.php - Google Maps plugin
# ------------------------------------------------------------------------
# author Mike Reumer
# copyright Copyright (C) 2011 tech.reumer.net. All Rights Reserved.
# @license - http://www.gnu.org/copyleft/gpl.html GNU/GPL
# Websites: http://tech.reumer.net
# Technical Support: http://tech.reumer.net/Contact-Us/Mike-Reumer.html
# Documentation: http://tech.reumer.net/Google-Maps/Documentation-of-plugin-Googlemap/
--------------------------------------------------------------------------*/
defined( '_JEXEC' ) or die( 'Restricted access' );
jimport( 'joomla.plugin.plugin' );
jimport( 'joomla.html.parameter' );
class plgSystemPlugin_googlemap3 extends JPlugin
{
var $config;
var $subject;
var $jversion;
var $params;
var $regex;
var $document;
var $doctype;
var $published;
var $plugincode;
var $brackets;
var $countmatch;
var $event;
var $helper;
/**
* Constructor
*
* @access protected
* @param object $subject The object to observe
* @param array $config An array that holds the plugin configuration
* @since 1.0
*/
public function __construct( &$subject, $config )
{
parent::__construct( $subject, $config );
$this->event = 'construct';
// Do some extra initialisation in this constructor if required
$this->subject = $subject;
$this->config = $config;
// Version of Joomla
$this->jversion = JVERSION;
// Check if params are defined and set otherwise try to get them from previous version
$this->_upgrade_plugin();
$this->loadLanguage();
// Check if the params are defined and set so the initial defaults can be removed.
$this->_restore_permanent_defaults();
// Set document and doctype to null. Can only be retrievedwhen events are triggered. otherwise the language of the site magically changes.
$this->document = NULL;
$this->doctype = NULL;
// Get params
$this->publ = $this->params->get( 'publ', 1 );
$this->plugincode = $this->params->get( 'plugincode', 'mosmap' );
$this->brackets = $this->params->get( 'brackets', '{' );
// define the regular expression for the bot
if ($this->brackets=="both") {
$this->regex="/(<p\b[^>]*>\s*)?(\{|\[)".$this->plugincode.".*?(([a-z0-9A-Z]+((\{|\[)[0-9]+(\}|\]))?='[^']+'.*?\|?.*?)*)(\}|\])(\s*<\/p>)?/msi";
$this->countmatch = 3;
} elseif ($this->brackets=="[") {
$this->regex="/(<p\b[^>]*>\s*)?\[".$this->plugincode.".*?(([a-z0-9A-Z]+(\{[0-9]+\})?='[^']+'.*?\|?.*?)*)\](\s*<\/p>)?/msi";
$this->countmatch = 2;
} else {
$this->regex="/(<p\b[^>]*>\s*)?\{".$this->plugincode.".*?(([a-z0-9A-Z]+(\[[0-9]+\])?='[^']+'.*?\|?.*?)*)\}(\s*<\/p>)?/msi";
$this->countmatch = 2;
}
// The helper class
$this->helper = null;
// Clean up variables
unset($plugin, $option, $view, $task, $layout);
}
/**
* Do something onAfterInitialise
*/
public function onAfterInitialise()
{
$this->event = 'onAfterInitialise';
}
/**
* onPrepareContent
*/
public function onContentPrepare($context, &$article, &$params, $limitstart=0)
{
$this->event = 'onContentPrepare';
$app = JFactory::getApplication();
if($app->isAdmin()) {
return;
}
// get document types
$this->_getdoc();
// Check if fields exists. If article and text does not exists then stop
if (isset($article)&&isset($article->text))
$text = &$article->text;
else
return true;
if (isset($article)&&isset($article->introtext))
$introtext = &$article->introtext;
else
$introtext = "";
// check whether plugin has been unpublished
// PDF or feed can't show maps so remove it
if ( !$this->publ ||($this->doctype=='pdf'||$this->doctype=='feed') ) {
$text = preg_replace( $this->regex, '', $text );
$introtext = preg_replace( $this->regex, '', $introtext );
unset($app, $text, $introtext);
return true;
}
// perform the replacement in a normal way, but this has the disadvantage that other plugins
// can't add information to the mosmap, other later added content is not checked and modules can't be checked
// $this->_replace( $text );
// $this->_replace( $introtext );
// Clean up variables
unset($app, $text, $introtext);
}
/**
* Do something onAfterRoute
*/
public function onAfterRoute()
{
$this->event = 'onAfterRoute';
}
/**
* Do something onAfterDispatch
*/
public function onAfterDispatch()
{
$this->event = 'onAfterDispatch';
$app = JFactory::getApplication();
if($app->isAdmin()) {
return;
}
// get document types
$this->_getdoc();
// FEED
if ($this->doctype=='feed'&&isset($this->document->items)) {
foreach($this->document->items as $item) {
$text = &$item->description;
$text = preg_replace( $this->regex, '', $text );
}
// Clean up variables
unset($app, $item, $text);
return true;
}
// PDF can't show maps so remove it
if ($this->doctype=='pdf') {
$text = $this->document->getBuffer("component");
$text = preg_replace( $this->regex, '', $text );
$this->document->setBuffer($text, "component");
// Clean up variables
unset($app, $item, $text);
return true;
}
// In other components or leftovers
$text = $this->document->getBuffer("component");
if (strlen($text)>0) {
// check whether plugin has been unpublished
if ( !$this->publ )
$text = preg_replace( $this->regex, '', $text );
else
$this->_replace($text);
$this->document->setBuffer($text, "component");
}
// Clean up variables
unset($app, $item, $text);
}
/**
* Do something onAfterRender
*/
public function onAfterRender()
{
$this->event = 'onAfterRender';
$app = JFactory::getApplication();
if($app->isAdmin()) {
return;
}
// get document types
$this->_getdoc();
// Get the rendered body text
$text = JResponse::getBody();
// check whether plugin has been unpublished
if ( !$this->publ ) {
$text = preg_replace( $this->regex, '', $text );
// Set the body text with the replaced result
JResponse::setBody($text);
// Clean up variables
unset($app, $text);
return true;
}
// PDF or feed can't show maps so remove it
if ($this->doctype=='pdf'||$this->doctype=='feed') {
$text = preg_replace( $this->regex, '', $text );
// Set the body text with the replaced result
JResponse::setBody($text);
// Clean up variables
unset($app, $text);
return true;
}
// perform the replacement
$this->_replace( $text );
// Set the body text with the replaced result
JResponse::setBody($text);
// Add google script when all possible mosmap commands are found and processed
if ($this->helper!=null) {
$this->helper->add_google_script();
}
// Clean up variables
unset($app, $text);
}
function _getdoc() {
if ($this->document==NULL) {
$this->document = JFactory::getDocument();
$this->doctype = $this->document->getType();
}
}
function _replace(&$text) {
$matches = array();
$text=preg_replace("/�{0,2}39;/",'\'',$text);
preg_match_all($this->regex,$text,$matches,PREG_OFFSET_CAPTURE | PREG_PATTERN_ORDER);
// print_r($matches);
// Remove plugincode that are in head of the page
$matches = $this->_checkhead($text, $matches);
// Remove plugincode that are in the editor and textarea
$matches = $this->_checkeditorarea($text, $matches);
$cnt = count($matches[0]);
// print_r($matches);
if ($cnt>0) {
if ($this->helper==null) {
$filename = JPATH_SITE."/plugins/system/plugin_googlemap3/plugin_googlemap3_helper.php";
include_once($filename);
$this->helper = new plgSystemPlugin_googlemap3_helper($this->jversion, $this->params, $this->regex, $this->document, $this->brackets);
}
// Process the found {mosmap} codes
for($counter = 0; $counter < $cnt; $counter++) {
// Very strange the first match is the plugin code??
$this->helper->process($matches[0][$counter][0],$matches[0][$counter][1], $matches[$this->countmatch][$counter][0], $text, $counter, $this->event);
}
}
// Clean up variables
unset($matches, $cnt, $counter, $content, $filename);
}
function _checkhead($text, $plgmatches) {
$result = array(array(),array(),array(),array());
$cnt = count($plgmatches[0]);
// Get head location
$end = stripos($text, '</head>');
// check if match plugin is the head
for($counter = 0; $counter < $cnt; $counter++) {
if (!($plgmatches[0][$counter][1] > 0 &&$plgmatches[0][$counter][1]< $end)) {
$result[0][] = $plgmatches[0][$counter];
$result[1][] = $plgmatches[1][$counter];
$result[2][] = $plgmatches[2][$counter];
$result[3][] = $plgmatches[3][$counter];
}
}
return $result;
}
function _checkeditorarea($text, $plgmatches) {
$edmatches = array_merge($this->_getEditorPositions($text), $this->_getTextAreaPositions($text));
$result = array(array(),array(),array(),array());
if (count($edmatches)>0) {
$cnt = count($plgmatches[0]);
// check if match plugin is in match editor
for($counter = 0; $counter < $cnt; $counter++) {
$oke = true;
foreach ($edmatches as $ed) {
if ($plgmatches[0][$counter][1] > $ed['start']&&$plgmatches[0][$counter][1]< $ed['end'])
$oke= false;
}
if ($oke) {
$result[0][] = $plgmatches[0][$counter];
$result[1][] = $plgmatches[1][$counter];
$result[2][] = $plgmatches[2][$counter];
$result[3][] = $plgmatches[3][$counter];
}
}
} else
$result = $plgmatches;
// Clean up variables
unset($edmatches, $cnt, $counter, $ed);
return $result;
}
function _getEditorPositions($strBody) {
preg_match_all("/<div class=\"edit item-page\">(.*)<\/form>\n<\/div>/Ums", $strBody, $strEditor, PREG_PATTERN_ORDER);
$intOffset = 0;
$intIndex = 0;
$intEditorPositions = array();
foreach($strEditor[0] as $strFullEditor) {
$intEditorPositions[$intIndex] = array('start' => (strpos($strBody, $strFullEditor, $intOffset)), 'end' => (strpos($strBody, $strFullEditor, $intOffset) + strlen($strFullEditor)));
$intOffset += strlen($strFullEditor);
$intIndex++;
}
// Clean up variables
unset($strEditor, $intOffset, $strFullEditor, $intIndex);
return $intEditorPositions;
}
function _getTextAreaPositions($strBody) {
preg_match_all("/<textarea\b[^>]*>(.*)<\/textarea>/Ums", $strBody, $strTextArea, PREG_PATTERN_ORDER);
$intOffset = 0;
$intIndex = 0;
$intTextAreaPositions = array();
foreach($strTextArea[0] as $strFullTextArea) {
$intTextAreaPositions[$intIndex] = array('start' => (strpos($strBody, $strFullTextArea, $intOffset)), 'end' => (strpos($strBody, $strFullTextArea, $intOffset) + strlen($strFullTextArea)));
$intOffset += strlen($strFullTextArea);
$intIndex++;
}
// Clean up variables
unset($strTextArea, $intOffset, $strFullTextArea, $intIndex);
return $intTextAreaPositions;
}
function _restore_permanent_defaults() {
$app = JFactory::getApplication();
if($app->isSite()) {
return;
}
if ($this->params->get( 'publ', '' )!='') {
jimport('joomla.filesystem.file');
$dir = JPATH_SITE."/plugins/system/plugin_googlemap3/";
if (file_exists($dir.'plugin_googlemap3.perm')) {
if (JFile::move ($dir.'plugin_googlemap3.xml', $dir.'plugin_googlemap3.init')) {
if (JFile::move ($dir.'plugin_googlemap3.perm', $dir.'plugin_googlemap3.xml'))
JFile::delete($dir.'plugin_googlemap3.init');
else
JFile::move ($dir.'plugin_googlemap3.init', $dir.'plugin_googlemap3.xml');
}
}
}
}
function _upgrade_plugin() {
$app = JFactory::getApplication();
if($app->isSite()) {
return;
}
if (substr($this->jversion,0,3)=="1.5")
$dir = JPATH_SITE."/plugins/system/";
else
$dir = JPATH_SITE."/plugins/system/plugin_googlemap3/";
if (file_exists($dir.'plugin_googlemap3_proxy.php')) {
jimport('joomla.filesystem.file');
JFile::delete($dir.'plugin_googlemap3_proxy.php');
}
if ($this->params->get( 'publ', '' )=='') {
$database = JFactory::getDBO();
if (substr($this->jversion,0,3)=="1.5")
$query = "SELECT params FROM #__plugins AS b WHERE b.element='plugin_googlemap2' AND b.folder='system'";
else
$query = "SELECT params FROM #__extensions AS b WHERE b.element='plugin_googlemap2' AND b.folder='system'";
$database->setQuery($query);
if (!$database->query())
JError::raiseWarning(1, 'plgSystemPlugin_googlemap3::install_params: '.JText::_('SQL Error')." ".$database->stderr(true));
$params = $database->loadResult();
if (substr($this->jversion,0,2)=="3.")
$savparams = $database->escape($params);
else
$savparams = $database->getEscaped($params);
if ($params!="") {
if (substr($this->jversion,0,3)=="1.5")
$query = "UPDATE #__plugins AS a SET a.params = '{$savparams}' WHERE a.element='plugin_googlemap3' AND a.folder='system'";
else
$query = "UPDATE #__extensions AS a SET a.params = '{$savparams}' WHERE a.element='plugin_googlemap3' AND a.folder='system'";
$database->setQuery($query);
if (!$database->query())
JError::raiseWarning(1, 'plgSystemPlugin_googlemap3::install_params: '.JText::_('SQL Error')." ".$database->stderr(true));
if (substr($this->jversion,0,3)=="1.5")
$this->params = new JParameter( $params );
else {
$plugin = JPluginHelper::getPlugin('system', 'plugin_googlemap3');
$this->params = new JRegistry();
$this->params->loadString($plugin->params); }
}
// Clean up variables
unset($database, $query, $params, $savparams, $plugin);
}
}
}
?>