source: extensions/Copyrights/image.php @ 11439

<?php
/*
This php file will insert the names of the copyrights into the images description,
so you can see below the image what copyright it has.

Mattias

thanks to the AddInfo plugin by ddtddt!
*/

// What do these prefilters do?
// First they use loc_begin_picture to set some template variables
// Then they use the same event to set a prefilter, who on his turn will change the content

// Add a prefilter - whatever a prefilter may be
add_event_handler('loc_begin_picture', 'copyrights_set_prefilter_add_to_pic_info', 55 );

// Change the variables used by the function that changes the template
add_event_handler('loc_begin_picture', 'copyrights_add_vars_to_template');

// The big question is - WHY THIS WAY!!!

function copyrights_set_prefilter_add_to_pic_info()
{
        global $template;
        $template->set_prefilter('picture', 'copyrights_add_to_pic_info');
}
 

 // This function is called by the set_prefilter_add_to_pic_info function. It has something to do with the prefilter stuff, whatever it may be :p
function copyrights_add_to_pic_info($content, &$smarty)
{
        // Voeg de informatie toe na de auteur - dus voor de datum dat ie gemaakt is...
        $search = '#<tr id="datecreate">#';
        
        $replacement = '
        <tr id="Copyrights_name">
                <td class="label">{\'Copyright\'|@translate}</td>
                <td class="value">
                        {if $CR_INFO_NAME}
                        <a target="_blanc" href="{$CR_INFO_URL}" title="{$CR_INFO_NAME}">{$CR_INFO_NAME}</a>
                        {else}{\'N/A\'|@translate}{/if}
                </td>
        </tr>
        <tr id="datecreate">';

        return preg_replace($search, $replacement, $content);
}

function copyrights_add_vars_to_template()
{
        // For as far as i know i only need the $prefixtable, $page and $template
        //global $conf, $page, $template, $tab, $cit, $nbr, $prefixeTable;
        global $page, $template, $prefixeTable;
        //load_language('plugin.lang', ADDINFO_PATH);
        //load_language('lang', PHPWG_ROOT_PATH.'local/', array('no_fallback'=>true, 'local'=>true) );

        // Show block only on the photo page
        if ( !empty($page['image_id']) )
        {
                // Get the copyright name and url (FROM cr_admin) that belongs to the current media_item (FROM cr_media)
                $query = '
                  select name, url
                  FROM '.COPYRIGHTS_ADMIN.' NATURAL JOIN '.COPYRIGHTS_MEDIA.'
                  WHERE media_id = '.$page['image_id'].'
                  AND visible = 1
                  ;';
                $result = pwg_query($query);
                $row = mysql_fetch_array($result);
                //if(count($row) > 0)
                //{
                        $name = $row['name'];
                        $url = $row['url'];
                //}
                        
                // Sending data to the template
                $template->assign(
                array   (
                'CR_INFO_NAME' => $name,
                'CR_INFO_URL' => $url
                                ));
        }
}

?>