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pagenav.php
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pagenav.php
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<?php
/**
+-----------------------------------------------------------------------+
| This file is part of the Roundcube Webmail client |
| |
| Copyright (C) The Roundcube Dev Team |
| |
| Licensed under the GNU General Public License version 3 or |
| any later version with exceptions for skins & plugins. |
| See the README file for a full license statement. |
| |
| PURPOSE: |
| Updates message page navigation controls |
+-----------------------------------------------------------------------+
| Author: Aleksander Machniak <alec@alec.pl> |
+-----------------------------------------------------------------------+
*/
class rcmail_action_mail_pagenav extends rcmail_action_mail_index
{
protected static $mode = self::MODE_AJAX;
/**
* Request handler.
*
* @param array $args Arguments from the previous step(s)
*/
public function run($args = [])
{
$rcmail = rcmail::get_instance();
$uid = rcube_utils::get_input_value('_uid', rcube_utils::INPUT_GET);
$index = $rcmail->storage->index(null, self::sort_column(), self::sort_order());
$cnt = $index->count_messages();
if ($cnt && ($pos = $index->exists($uid, true)) !== false) {
$prev = $pos ? $index->get_element($pos-1) : 0;
$first = $pos ? $index->get_element('FIRST') : 0;
$next = $pos < $cnt-1 ? $index->get_element($pos+1) : 0;
$last = $pos < $cnt-1 ? $index->get_element('LAST') : 0;
}
else {
// error, this will at least disable page navigation
$rcmail->output->command('set_rowcount', '');
$rcmail->output->send();
}
// Set UIDs and activate navigation buttons
if (!empty($prev)) {
$rcmail->output->set_env('prev_uid', $prev);
$rcmail->output->command('enable_command', 'previousmessage', 'firstmessage', true);
}
if (!empty($next)) {
$rcmail->output->set_env('next_uid', $next);
$rcmail->output->command('enable_command', 'nextmessage', 'lastmessage', true);
}
if (!empty($first)) {
$rcmail->output->set_env('first_uid', $first);
}
if (!empty($last)) {
$rcmail->output->set_env('last_uid', $last);
}
// Don't need a real messages count value
$rcmail->output->set_env('messagecount', 1);
// Set rowcount text
$rcmail->output->command('set_rowcount', $rcmail->gettext([
'name' => 'messagenrof',
'vars' => ['nr' => isset($pos) ? $pos + 1 : 1, 'count' => $cnt]
]));
$rcmail->output->send();
}
}

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pagenav.php (3 KB)

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