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<?php
/**
* @version $Id: mosimage.php,v 1.7 2005/02/16 15:09:25 rhuk Exp $
* @package Mambo
* @copyright (C) 2000 - 2005 Miro International Pty Ltd
* @license http://www.gnu.org/copyleft/gpl.html GNU/GPL
* Mambo is Free Software
*/
/** ensure this file is being included by a parent file */
defined( '_VALID_MOS' ) or die( 'Direct Access to this location is not allowed.' );
$_MAMBOTS->registerFunction( 'onPrepareContent', 'botMosImage' );
/**
*/
function botMosImage( $published, &$row, &$params, $page=0 ) {
global $database;
// expression to search for
$regex = '/{mosimage\s*.*?}/i';
// find all instances of mambot and put in $matches
preg_match_all( $regex, $row->text, $matches );
// Number of mambots
$count = count( $matches[0] );
// mambot only processes if there are any instances of the mambot in the text
if ( $count ) {
// load mambot params info
$query = "SELECT id FROM #__mambots WHERE element = 'mosimage' AND folder = 'content'";
$database->setQuery( $query );
$id = $database->loadResult();
$mambot = new mosMambot( $database );
$mambot->load( $id );
$params =& new mosParameters( $mambot->params );
$params->def( 'padding' );
$params->def( 'margin' );
$params->def( 'link', 0 );
$images = processImages( $row, $params );
// store some vars in globals to access from the replacer
$GLOBALS['botMosImageCount'] = 0;
$GLOBALS['botMosImageParams'] =& $params;
$GLOBALS['botMosImageArray'] =& $images;
//$GLOBALS['botMosImageArray'] =& $combine;
// perform the replacement
$row->text = preg_replace_callback( $regex, 'botMosImage_replacer', $row->text );
// clean up globals
unset( $GLOBALS['botMosImageCount'] );
unset( $GLOBALS['botMosImageMask'] );
unset( $GLOBALS['botMosImageArray'] );
return true;
}
}
function processImages ( &$row, &$params ) {
global $mosConfig_absolute_path, $mosConfig_live_site;
$images = array();
// split on \n the images fields into an array
$row->images = explode( "\n", $row->images );
$total = count( $row->images );
$start = 0;
for ( $i = $start; $i < $total; $i++ ) {
$img = trim( $row->images[$i] );
// split on pipe the attributes of the image
if ( $img ) {
$attrib = explode( '|', trim( $img ) );
// $attrib[0] image name and path from /images/stories
// $attrib[1] alignment
if ( !isset($attrib[1]) || !$attrib[1] ) {
$attrib[1] = '';
}
// $attrib[2] alt & title
if ( !isset($attrib[2]) || !$attrib[2] ) {
$attrib[2] = 'Image';
} else {
$attrib[2] = htmlspecialchars( $attrib[2] );
}
// $attrib[3] border
if ( !isset($attrib[3]) || !$attrib[3] ) {
$attrib[3] = '0';
}
// $attrib[4] caption
if ( !isset($attrib[4]) || !$attrib[4] ) {
$attrib[4] = '';
$border = $attrib[3];
} else {
$border = 0;
}
// $attrib[5] caption position
if ( !isset($attrib[5]) || !$attrib[5] ) {
$attrib[5] = '';
}
// $attrib[6] caption alignment
if ( !isset($attrib[6]) || !$attrib[6] ) {
$attrib[6] = '';
}
// $attrib[7] width
if ( !isset($attrib[7]) || !$attrib[7] ) {
$attrib[7] = '';
$width = '';
} else {
$width = ' width: '. $attrib[7] .'px;';
}
// image size attibutes
$size = '';
if ( function_exists( 'getimagesize' ) ) {
$size = @getimagesize( $mosConfig_absolute_path .'/images/stories/'. $attrib[0] );
if (is_array( $size )) {
$size = 'width="'. $size[0] .'" height="'. $size[1] .'"';
}
}
// assemble the <image> tag
$image = '<img src="'. $mosConfig_live_site .'/images/stories/'. $attrib[0] .'"'. $size;
// no aligment variable - if caption detected
if ( !$attrib[4] ) {
$image .= $attrib[1] ? ' align="'. $attrib[1] .'"' : '';
}
$image .=' hspace="6" alt="'. $attrib[2] .'" title="'. $attrib[2] .'" border="'. $border .'" />';
// assemble caption - if caption detected
if ( $attrib[4] ) {
$caption = '<div class="mosimage_caption" style="width: '. $width .'; text-align: '. $attrib[6] .';" align="'. $attrib[6] .'">';
$caption .= $attrib[4];
$caption .='</div>';
}
// final output
if ( $attrib[4] ) {
$img = '<div class="mosimage" style="border-width: '. $attrib[3] .'px; float: '. $attrib[1] .'; margin: '. $params->def( 'margin' ) .'px; padding: '. $params->def( 'padding' ) .'px;'. $width .'" align="center">';
// display caption in top position
if ( $attrib[5] == 'top' ) {
$img .= $caption;
}
$img .= $image;
// display caption in bottom position
if ( $attrib[5] == 'bottom' ) {
$img .= $caption;
}
$img .='</div>';
} else {
$img = $image;
}
$images[] = $img;
}
}
return $images;
}
/**
* Replaces the matched tags an image
* @param array An array of matches (see preg_match_all)
* @return string
*/
function botMosImage_replacer( &$matches ) {
$i = $GLOBALS['botMosImageCount']++;
return @$GLOBALS['botMosImageArray'][$i];
}
?>
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