source: extensions/Extended_author/modify.php @ 18785

<?php

// Add a prefilter
add_event_handler('loc_begin_admin', 'EA_set_prefilter_modify', 50 );
add_event_handler('loc_begin_admin', 'EA_modify_submit', 46 );  // CR weight + 1

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

function EA_set_prefilter_modify()
{
        global $template;
        $template->set_prefilter('picture_modify', 'EA_modify');
}

function EA_modify($content, &$smarty)
{
        // Replace the piwigo author by our own author stuff
        $search = '/<td><input type="text" class="large" name="author".*?<\/td>/is';

        $replacement = '<td>
                        <select id="author" name="author">
                                <option value="">--</option>
                        {foreach from=$EAoptions item=option}
                                <option value="{$option}"{if $EAname == $option} selected="selected"{/if}>
                                        {$option}
                                </option>
                        {/foreach}
                        </select>
                </td>';

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

function EA_add_modify_vars_to_template()
{
        // Check if we are at the modify page (the problem is that this will send the stuff to every admin page that has an ?image_id...
        if (isset($_GET['image_id']))
        {
                global $template;

                load_language('plugin.lang', dirname(__FILE__).'/');

                // Fetch all the authors and assign them to the template
                $query = sprintf(
                        'SELECT `author_id`,`name`
                        FROM %s
                        ;',
                        AUTHORS);
                $result = pwg_query($query);

                $EAoptions = array();
                while ($row = pwg_db_fetch_assoc($result)) {
                        $EAoptions[$row['author_id']] = $row['name'];
                }
                $template->assign('EAoptions', $EAoptions);
                
                // Get the current author
                $image_id = $_GET['image_id'];
                $query = sprintf(
                        'SELECT author
                        FROM %s
                        WHERE id = %d
                        ;',
                        IMAGES, $image_id);
                $result = pwg_query($query);
                
                $EAname = '--'; // Default is '--'
                while ($row = pwg_db_fetch_assoc($result)) {
                        $EAname = $row['author'];
                }
                $template->assign('EAname', $EAname);
        }
}

function EA_modify_submit()
{
        // Check if we are at the modify page (the problem is that this will send the stuff to every admin page that has an ?image_id...
        if (isset($_GET['image_id']))
        {
                if (isset($_POST['submit']))
                {
                        // The data from the submit
                        $image_id = $_GET['image_id'];
                        $name = pwg_db_real_escape_string($_POST['author']);
                        
                        // Dont update anything when the name is empty
                        if(!$name)
                                return false;
                        
                        // Add him to the images table
                        // (yes, this is double work, since the author will be set by the piwigo core. But its not set right now, and insert_default_CR needs it...)
                        $query = sprintf(
                                'UPDATE %s
                                SET author=\'%s\'
                                WHERE id=%d
                                ;',
                                IMAGES, $name, $image_id);
                        pwg_query($query);
                        
                        // Insert the default copyrights
                        insert_default_CR($name);
                }
        }
}

?>