--- /dev/null
+<?php
+
+/***************************************************************************\
+ * SPIP, Systeme de publication pour l'internet *
+ * *
+ * Copyright (c) 2001-2014 *
+ * Arnaud Martin, Antoine Pitrou, Philippe Riviere, Emmanuel Saint-James *
+ * *
+ * Ce programme est un logiciel libre distribue sous licence GNU/GPL. *
+ * Pour plus de details voir le fichier COPYING.txt ou l'aide en ligne. *
+\***************************************************************************/
+
+if (!defined("_ECRIRE_INC_VERSION")) return;
+
+include_spip('base/abstract_sql');
+
+function trouver_version_inf($objet,$id_objet,$cond=""){
+ return sql_getfetsel(
+ 'id_version',
+ 'spip_versions',
+ ($cond?"$cond AND ":"")."objet=".sql_quote($objet)." AND id_objet=".intval($id_objet),
+ '',
+ 'id_version DESC',
+ '0,1'
+ );
+}
+function check_version_diff($objet, $id_objet, $id_version, $id_diff, $last_version=0){
+ if (!$last_version)
+ $last_version = trouver_version_inf($objet,$id_objet);
+
+ // si pas de diff possible, on renvoi 0,0
+ if (!$last_version)
+ return array(0,0);
+
+ if ($last_version==1)
+ return array(1,0);
+
+ $id_version = max($id_version,2);
+ $id_version = min($id_version,$last_version);
+
+ // verifier id_version
+ $id_version = trouver_version_inf($objet,$id_objet,"id_version<=".intval($id_version));
+
+ // si rien trouve on prend la derniere
+ if (!$id_version)
+ $id_version = $last_version;
+
+ // minorer id_diff en fonction de id_version
+ $id_diff = min($id_diff,$id_version-1);
+ // verifier id_diff
+ $id_diff = trouver_version_inf($objet,$id_objet,"id_version<=".intval($id_diff));
+
+ if (!$id_diff)
+ $id_diff = trouver_version_inf($objet,$id_objet,"id_version<".intval($id_version));
+
+ // echec, on renvoi ce qu'on peut
+ if (!$id_diff)
+ $id_diff = $id_version-1;
+
+ return array($id_version, $id_diff);
+}
+
+function formulaires_reviser_charger_dist($objet,$id_objet,$id_version,$id_diff){
+ if (!$objets = unserialize($GLOBALS['meta']['objets_versions']))
+ $objets = array();
+
+ if (!in_array(table_objet_sql($objet),$objets))
+ return false;
+
+ $last_version = trouver_version_inf($objet,$id_objet);
+ list($id_version,$id_diff) = check_version_diff($objet,$id_objet,$id_version,$id_diff,$last_version);
+ if (!$id_version)
+ return false;
+
+ $valeurs = array(
+ '_last_version'=>$last_version,
+ '_objet'=>$objet,
+ '_id_objet'=>$id_objet,
+ 'id_version'=>$id_version,
+ 'id_diff'=>$id_diff,
+ );
+
+ return $valeurs;
+}
+
+function formulaires_reviser_verifier_dist($objet,$id_objet,$id_version,$id_diff){
+ $erreurs = array();
+ list($id_version,$id_diff) = check_version_diff($objet,$id_objet,_request('id_version'),_request('id_diff'));
+ set_request('id_version',$id_version);
+ set_request('id_diff',$id_diff);
+ return $erreurs;
+}
+
+function formulaires_reviser_traiter_dist($objet,$id_objet,$id_version,$id_diff){
+ $res = array('message_ok'=>'','editable'=>true);
+
+ $id_version = _request('id_version');
+ $id_diff = _request('id_diff');
+
+ if (_AJAX)
+ $res['message_ok'].="<script type='text/javascript'>if (window.jQuery) jQuery('#wysiwyg.revision').ajaxReload({args:{id_version:$id_version,id_diff:$id_diff},history:true});</script>";
+ else
+ $res['redirect'] = parametre_url(parametre_url(self(),'id_version',$id_version),'id_diff',$id_diff,'&');
+ return $res;
+}