86 lines
2.2 KiB
PHP
86 lines
2.2 KiB
PHP
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<?php
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/**
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* Element: Dependency
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* Displays an error if given file is not found
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*
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* @package NoNumber! Elements
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* @version 1.2.8
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*
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* @author Peter van Westen <peter@nonumber.nl>
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* @link http://www.nonumber.nl
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* @copyright Copyright (C) 2010 NoNumber! All Rights Reserved
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* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
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*/
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// Ensure this file is being included by a parent file
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defined( '_JEXEC' ) or die( 'Restricted access' );
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/**
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* Dependency Element
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*
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* Available extra parameters:
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* label The name of the extension that is needed
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* file The file to check (from the root)
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*/
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class JElementDependency extends JElement
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{
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/**
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* Element name
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*
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* @access protected
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* @var string
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*/
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var $_name = 'Dependency';
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function fetchTooltip( $label, $description, &$node, $control_name, $name )
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{
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return;
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}
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function fetchElement( $name, $value, &$node, $control_name )
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{
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$label = $this->def( $node->attributes( 'label' ), 'the main extension' );
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$file = $node->attributes( 'file' );
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$file = str_replace( '/', DS, $file );
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$this->setMessage( $file, $label );
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$random = rand( 1000, 10000 );
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$html = '<div id="end-'.$random.'"></div><script>var enddiv = document.getElementById("end-'.$random.'");enddiv.parentNode.style.padding=0;</script>';
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return $html;
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}
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function setMessage( $file, $name )
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{
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jimport( 'joomla.filesystem.file' );
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if ( strpos( $file, '/administrator' ) === 0 ) {
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$file = str_replace( '/', DS, str_replace( '/administrator', JPATH_ADMINISTRATOR, $file ) );
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} else {
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$file = JPATH_SITE.str_replace( '/', DS, $file );
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}
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if ( !JFile::exists( $file ) ) {
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$mainframe =& JFactory::getApplication();
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$msg = JText::sprintf( '-This extension needs the main extension to function', $name );
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$message_set = 0;
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$messageQueue = $mainframe->getMessageQueue();
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foreach ( $messageQueue as $queue_message ) {
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if ( $queue_message['type'] == 'error' && $queue_message['message'] == $msg ) {
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$message_set = 1;
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break;
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}
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}
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if ( !$message_set ) {
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$mainframe->enqueueMessage( $msg, 'error' );
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}
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}
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}
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function def( $val, $default )
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{
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return ( $val == '' ) ? $default : $val;
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}
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}
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