329 lines
14 KiB
PHP
329 lines
14 KiB
PHP
<?php #
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if (IN_serendipity !== true) {
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die ("Don't hack!");
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}
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// Probe for a language include with constants. Still include defines later on, if some constants were missing
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$probelang = dirname(__FILE__) . '/' . $serendipity['charset'] . 'lang_' . $serendipity['lang'] . '.inc.php';
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if (file_exists($probelang)) {
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include $probelang;
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}
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include dirname(__FILE__) . '/lang_en.inc.php';
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class serendipity_event_versioning extends serendipity_event {
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var $title = VERSIONING_TITLE;
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var $cache = array();
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function introspect(&$propbag) {
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global $serendipity;
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$propbag->add('name', VERSIONING_TITLE);
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$propbag->add('description', VERSIONING_DESC);
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$propbag->add('event_hooks', array(
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'backend_publish' => true,
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'backend_save' => true,
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'backend_display' => true,
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'backend_entry_updertEntry' => true,
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'backend_entry_presave' => true,
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'backend_entryform' => true,
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'backend_entry_iframe' => true,
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'entry_display' => true
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));
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$propbag->add('author', 'Garvin Hicking');
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$propbag->add('version', '0.11.1');
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$propbag->add('requirements', array(
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'serendipity' => '0.8',
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'smarty' => '2.6.7',
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'php' => '4.1.0'
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));
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$propbag->add('stackable', false);
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$propbag->add('groups', array('BACKEND_EDITOR', 'BACKEND_FEATURES'));
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$propbag->add('configuration', array('public','version_date'));
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}
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function introspect_config_item($name, &$propbag) {
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global $serendipity;
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switch ($name) {
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case 'public':
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$propbag->add('type', 'boolean');
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$propbag->add('name', VERSIONING_PUBLIC);
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$propbag->add('description', '');
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$propbag->add('default', false);
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break;
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case 'version_date':
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$propbag->add('type', 'radio');
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$propbag->add('name', VERSIONING_DATE_FORMAT);
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$propbag->add('var', 'version_date_format');
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$propbag->add('radio_per_row', 2);
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$propbag->add('radio', array('value' => array('long','short'),
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'desc' => array(VERSIONING_DATE_LONG,VERSIONING_DATE_SHORT)));
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break;
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default:
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return false;
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}
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return true;
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}
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function setupDB() {
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global $serendipity;
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$built = $this->get_config('db_built', null);
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$fresh = false;
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if ((empty($built)) && (!defined('VERSIONING_UPGRADE_DONE'))) {
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serendipity_db_schema_import("CREATE TABLE {$serendipity['dbPrefix']}versioning (
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id {AUTOINCREMENT} {PRIMARY},
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entry_id int(11) default '0',
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version int(4) default '1',
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body text,
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extended text,
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version_date int(11) default '0',
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version_author int(4) default '0'
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)");
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$this->set_config('db_built', '1');
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@define('VERSIONING_UPGRADE_DONE', true);
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}
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}
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function generate_content(&$title) {
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$title = VERSIONING_TITLE;
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}
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function install() {
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$this->setupDB();
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}
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function &getVersions($entry = null, $selected = null) {
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global $serendipity;
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$versions = array();
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if (empty($entry)) {
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return $versions;
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}
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$versions = serendipity_db_query("SELECT v.id,
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v.version,
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a.realname,
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v.version_date
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FROM {$serendipity['dbPrefix']}versioning AS v
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LEFT OUTER JOIN {$serendipity['dbPrefix']}authors AS a
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ON a.authorid = v.version_author
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WHERE v.entry_id = " . (int)$entry . "
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ORDER BY v.version DESC");
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return $versions;
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}
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function &getCurrent($entry) {
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global $serendipity;
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$q = "SELECT max(v.version) AS maxVer,
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v.id,
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a.realname,
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v.version_date
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FROM {$serendipity['dbPrefix']}versioning AS v
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LEFT OUTER JOIN {$serendipity['dbPrefix']}authors AS a
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ON a.authorid = v.version_author
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WHERE entry_id = " . (int)$entry . "
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GROUP BY v.entry_id, v.id, a.realname, v.version_date
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ORDER BY v.version DESC";
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$maxVer = serendipity_db_query($q, true, 'assoc');
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if (is_string($maxVer)) {
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echo 'Error: ' . $maxVer . '. Postgresql is driving me nuts.<br />';
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}
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return $maxVer;
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}
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function &getVersion($entry, $version = null, $version_col = 'v.version') {
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global $serendipity;
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if ($version == null) {
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$maxVer =& $this->getCurrent($entry);
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$version = $maxVer['maxVer'];
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}
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$q = "SELECT v.id,
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v.body,
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v.extended,
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v.version,
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v.entry_id,
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a.realname,
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v.version_date
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FROM {$serendipity['dbPrefix']}versioning AS v
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LEFT OUTER JOIN {$serendipity['dbPrefix']}authors AS a
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ON a.authorid = v.version_author
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WHERE v.entry_id = " . (int)$entry . "
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AND $version_col = " . (int)$version . "
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LIMIT 1";
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$entry = serendipity_db_query($q, true, 'assoc');
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return $entry;
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}
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function storeVersion(&$entry, &$newEntry, $cache = array()) {
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global $serendipity;
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if (!isset($cache['body'])) {
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$cache['body'] = $newEntry['body'];
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$cache['extended'] = $newEntry['extended'];
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}
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serendipity_db_query("INSERT INTO {$serendipity['dbPrefix']}versioning
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(entry_id, version, body, extended, version_date, version_author)
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VALUES
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(" . (int)$newEntry['id'] . ",
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" . ($entry['version']+1) . ",
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'" . serendipity_db_escape_string($cache['body']) . "',
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'" . serendipity_db_escape_string($cache['extended']) . "',
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" . time() . ",
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" . (int)$serendipity['authorid'] . ")");
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}
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function recoverVersion(&$entry, $version) {
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global $serendipity;
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$recovery = $this->getVersion($entry['id'], $version, 'v.id');
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$entry['body'] = $recovery['body'];
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$entry['extended'] = $recovery['extended'];
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return true;
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}
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function event_hook($event, &$bag, &$eventData, $addData = null) {
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global $serendipity;
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$hooks = &$bag->get('event_hooks');
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if (isset($hooks[$event])) {
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switch($this->get_config('version_date')) {
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case 'long':
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$date_time_format = DATE_FORMAT_ENTRY;
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break;
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case 'short':
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$date_time_format = DATE_FORMAT_SHORT;
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break;
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default:
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$date_time_format = DATE_FORMAT_SHORT;
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break;
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}
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switch ($event) {
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case 'backend_entry_updertEntry':
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$this->cache['body'] = $addData['body'];
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$this->cache['extended'] = $addData['extended'];
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if ($serendipity['POST']['versioning'] > 0 && !empty($serendipity['POST']['versioning_change']) && !empty($addData['id'])) {
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$eventData[] = sprintf(VERSIONING_REVISION_CONTROL, (int)$serendipity['POST']['versioning']);
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}
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break;
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case 'backend_entry_iframe':
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// Serendipity 1.0: Prevent iframe creation.
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if ($serendipity['POST']['versioning'] > 0 && !empty($serendipity['POST']['versioning_change'])) {
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$eventData = false;
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}
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break;
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case 'backend_entry_presave':
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break;
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case 'backend_entryform':
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// Should we restore a version?
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if ($serendipity['POST']['versioning'] > 0 && !empty($serendipity['POST']['versioning_change']) && !empty($eventData['id'])) {
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$this->recoverVersion($eventData, $serendipity['POST']['versioning']);
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}
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break;
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case 'entry_display':
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if (!is_array($eventData)) {
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return false;
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}
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if (serendipity_db_bool($this->get_config('public')) && $addData['extended']) {
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if ($serendipity['GET']['version_selected'] > 0) {
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$this->recoverVersion($eventData[0], (int)$serendipity['GET']['version_selected']);
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}
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$versions = &$this->getVersions($eventData[0]['id']);
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if (count($versions) < 1 || empty($versions[0])) {
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return true;
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}
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$msg = '<div class="serendipity_versioningInfo">' . VERSIONING_TITLE . ':<br />%s</div>';
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$html = '<ul>';
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foreach($versions AS $version) {
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$html .= '<li><a href="' . $serendipity['serendipityHTTPPath'] . $serendipity['indexFile'] . '?' . serendipity_archiveURL($eventData[0]['id'], 'revision' . $version['version'], 'serendipityHTTPPath', false) . '&serendipity[version_selected]=' . $version['id'] . '">' . (function_exists('serendipity_specialchars') ? serendipity_specialchars(sprintf(VERSIONING_REVISION, $version['version'], serendipity_strftime($date_time_format, $version['version_date'], true), $version['realname'])) : htmlspecialchars(sprintf(VERSIONING_REVISION, $version['version'], serendipity_strftime($date_time_format, $version['version_date'], true), $version['realname']), ENT_COMPAT, LANG_CHARSET)) . '</a></li>';
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}
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$html .= '</ul>';
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$eventData[0]['add_footer'] .= sprintf($msg, $html);
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unset($eventData[0]['properties']['ep_cache_body']);
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unset($eventData[0]['properties']['ep_cache_extended']);
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}
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return true;
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break;
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case 'backend_save':
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case 'backend_publish':
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$this->setupDB();
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if (empty($eventData['id'])) {
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return true;
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}
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// Get the last version
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$entry = &$this->getVersion($eventData['id']);
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if ($entry['body'] != $this->cache['body'] ||
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$entry['extended'] != $this->cache['extended']) {
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$this->storeVersion($entry, $eventData, $this->cache);
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}
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break;
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case 'backend_display':
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$versions = &$this->getVersions($eventData['id'], $serendipity['POST']['versioning']);
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if (count($versions) < 1) {
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return true;
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}
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?>
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<fieldset style="margin: 5px">
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<legend><?php echo VERSIONING_TITLE; ?></legend>
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<div>
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<select name="serendipity[versioning]">
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<?php
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foreach($versions AS $version) {
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$text = htmlspecialchars(sprintf(VERSIONING_REVISION,
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$version['version'],
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serendipity_strftime($date_time_format, $version['version_date'], true),
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$version['realname']));
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echo '<option value="' . $version['id'] . '" ' . ($serendipity['POST']['versioning'] == $version['id'] ? 'selected="selected"' : '') . '>' . $text . '</option>' . "\n";
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}
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?>
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</select>
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<input class="serendipityPrettyButton input_button" type="submit" name="serendipity[versioning_change]" value="<?php echo VERSIONING_CHANGE; ?>" onclick="return confirm('<?php echo str_replace("'", "\'", (function_exists('serendipity_specialchars') ? serendipity_specialchars(VERSIONING_CHANGE_WARNING) : htmlspecialchars(VERSIONING_CHANGE_WARNING, ENT_COMPAT, LANG_CHARSET)));
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?>');" />
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</div>
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</fieldset>
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<?php
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default:
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return false;
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}
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return true;
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}
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return false;
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}
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}
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/* vim: set sts=4 ts=4 expandtab : */
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