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Current File : /home/etiennec/www/plugins-dist/revisions/formulaires/reviser.php

<?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;
}