mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-28 10:53:39 +01:00
352 lines
10 KiB
PHP
352 lines
10 KiB
PHP
<?php
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/**
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* EGroupware - eTemplate serverside of linking widgets
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Nathan Gray
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* @copyright 2011 Nathan Gray
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* @version $Id$
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*/
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/**
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* eTemplate link widgets
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* Deals with creation and display of links between entries in various participating egw applications
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*/
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class etemplate_widget_link extends etemplate_widget
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{
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public $public_functions = array(
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'download_zip' => true
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);
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protected $legacy_options = 'only_app';
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/**
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* Constructor
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*
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* @param string|XMLReader $xml string with xml or XMLReader positioned on the element to construct
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* @throws egw_exception_wrong_parameter
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*/
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public function __construct($xml = '')
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{
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if($xml) {
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parent::__construct($xml);
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}
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}
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/* Changes all link widgets to template
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protected static $transformation = array(
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'type' => array(
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'link-list'=>array(
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'value' => array('__callback__'=>'get_links'),
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'type' => 'template',
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'id' => 'etemplate.link_widget.list'
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)
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),
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);
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*/
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/**
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* Set up what we know on the server side.
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*
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* Set the options for the application select.
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*
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* @param string $cname
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*/
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public function beforeSendToClient($cname)
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{
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$attrs = $this->attrs;
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$form_name = self::form_name($cname, $this->id);
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$value =& self::get_array(self::$request->content, $form_name, true);
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if($value && !is_array($value) && !$this->attrs['only_app'])
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{
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// Try to explode
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if(count(explode(':',$value)) < 2) {
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throw new egw_exception_wrong_parameter("Wrong value sent to $this, needs to be an array. ".array2string($value));
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}
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list($app, $id) = explode(':', $value,2);
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$value = array('app' => $app, 'id' => $id);
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}
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elseif (!$value)
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{
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return;
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}
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// ToDo: implement on client-side
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if (!$attrs['help']) self::setElementAttribute($form_name, 'help', 'view this linked entry in its application');
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if($attrs['type'] == 'link-list') {
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$app = $value['to_app'];
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$id = $value['to_id'];
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$links = egw_link::get_links($app,$id,'','link_lastmod DESC',true, $value['show_deleted']);
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foreach($links as $link) {
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$value[] = $link;
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}
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}
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}
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/**
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* Find links that match the given parameters
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*/
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public static function ajax_link_search($app, $type, $pattern, $options=array()) {
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$options['type'] = $type ? $type : $options['type'];
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if(!$options['num_rows']) $options['num_rows'] = 1000;
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$links = egw_link::query($app, $pattern, $options);
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$links = array_combine(array_map(create_function('$k', 'return (string)" ".$k;'), array_keys($links)), $links);
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$response = egw_json_response::get();
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$response->data($links);
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}
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/**
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* Return title for a given app/id pair
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*
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* @param string $app
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* @param string|int $id
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* @return string|boolean string with title, boolean false of permission denied or null if not found
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*/
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public static function ajax_link_title($app,$id)
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{
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$title = egw_link::title($app, $id);
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//error_log(__METHOD__."('$app', '$id') = ".array2string($title));
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egw_json_response::get()->data($title);
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}
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/**
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* Return titles for all given app and id's
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*
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* @param array $app_ids array with app => array(id, ...) pairs
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* @return array with app => id => title
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*/
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public static function ajax_link_titles(array $app_ids)
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{
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$response = array();
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foreach($app_ids as $app => $ids)
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{
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if(count($ids))
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{
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$response[$app] = egw_link::titles($app, $ids);
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}
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else
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{
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error_log(__METHOD__."(".array2string($app_ids).") got invalid title request: app=$app, ids=" . array2string($ids));
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}
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}
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egw_json_response::get()->data($response);
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}
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/**
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* Create links
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*/
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public static function ajax_link($app, $id, Array $links) {
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// Files need to know full path in tmp directory
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foreach($links as $key => $link) {
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if($link['app'] == egw_link::VFS_APPNAME) {
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if (is_dir($GLOBALS['egw_info']['server']['temp_dir']) && is_writable($GLOBALS['egw_info']['server']['temp_dir']))
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{
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$path = $GLOBALS['egw_info']['server']['temp_dir'] . '/' . $link['id'];
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}
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else
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{
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$path = $link['id'].'+';
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}
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$link['tmp_name'] = $path;
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$links[$key]['id'] = $link;
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}
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}
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$result = egw_link::link($app, $id, $links);
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$response = egw_json_response::get();
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$response->data(is_array($id) ? $id : $result !== false);
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}
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public function ajax_link_list($value) {
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$app = $value['to_app'];
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$id = $value['to_id'];
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$links = egw_link::get_links($app,$id,$value['only_app'],'link_lastmod DESC',true, $value['show_deleted']);
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foreach($links as &$link)
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{
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$link['title'] = egw_link::title($link['app'],$link['id'],$link);
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if ($link['app'] == egw_link::VFS_APPNAME)
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{
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$link['target'] = '_blank';
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$link['label'] = 'Delete';
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$link['help'] = lang('Delete this file');
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if ($GLOBALS['egw_info']['user']['preferences']['common']['link_list_format'] != 'text')
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{
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$link['title'] = preg_replace('/: ([^ ]+) /',': ',$link['title']); // remove mime-type, it's alread in the icon
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}
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$link['title'] = egw_vfs::decodePath($link['title']);
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$link['icon'] = egw_link::vfs_path($link['app2'],$link['id2'],$link['id'],true);
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$link['download_url'] = egw_vfs::download_url($link['icon']);
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}
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else
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{
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$link['icon'] = egw_link::get_registry($link['app'], 'icon');
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$link['label'] = 'Unlink';
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$link['help'] = lang('Remove this link (not the entry itself)');
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}
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}
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$response = egw_json_response::get();
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// Strip keys, unneeded and cause index problems on the client side
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$response->data(array_values($links));
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}
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/**
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* Allow changing of comment after link is created
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*/
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public static function ajax_link_comment($link_id, $comment)
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{
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$result = false;
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if((int)$link_id > 0)
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{
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solink::update_remark((int)$link_id, $comment);
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$result = true;
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}
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else
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{
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$link = egw_link::get_link((int)$link_id);
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if($link && $link['app'] == egw_link::VFS_APPNAME)
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{
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$file = egw_link::list_attached($link['app2'],$link['id2']);
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$file = $file[(int)$link_id];
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$path = egw_link::vfs_path($link['app2'],$link['id2'],$file['id']);
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$result = egw_vfs::proppatch($path, array(array('name' => 'comment', 'val' => $comment)));
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}
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}
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$response = egw_json_response::get();
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$response->data($result !== false);
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}
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/**
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* Symlink an existing file in filemanager
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*/
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public static function link_existing($app_id, $files)
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{
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list($app, $id) = explode(':', $app_id);
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if(!is_array($files)) $files = array($files);
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foreach($files as $target) {
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egw_link::link_file($app, $id, $target);
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}
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}
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public function ajax_delete($value) {
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$response = egw_json_response::get();
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$response->data(egw_link::unlink($value));
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}
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/**
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* Download the files linked to the given entry as one ZIP.
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*
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* Because of the $public_functions entry, this is callable as a menuaction.
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* This lets us just open the URL with app & id parametrs and get a ZIP. If
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* the entry has no linked files, the ZIP will still be returned, but it will
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* be empty.
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*/
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public function download_zip()
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{
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$app = $_GET['app'];
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$id = $_GET['id'];
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if(egw_link::file_access($app, $id))
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{
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$app_path = egw_link::vfs_path($app,$id,'',true);
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// Pass the files linked, not the entry path
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$files = egw_vfs::find($app_path);
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if($files[0] == $app_path)
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{
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array_shift($files);
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}
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egw_vfs::download_zip($files, egw_link::title($app, $id));
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common::egw_exit();
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}
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}
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/**
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* Validate input
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*
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* Following attributes get checked:
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* - needed: value must NOT be empty
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* - min, max: int and float widget only
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* - maxlength: maximum length of string (longer strings get truncated to allowed size)
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* - preg: perl regular expression incl. delimiters (set by default for int, float and colorpicker)
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* - int and float get casted to their type
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*
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* @param string $cname current namespace
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* @param array $expand values for keys 'c', 'row', 'c_', 'row_', 'cont'
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* @param array $content
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* @param array &$validated=array() validated content
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*/
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public function validate($cname, array $expand, array $content, &$validated=array())
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{
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$form_name = self::form_name($cname, $this->id, $expand);
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if (!$this->is_readonly($cname, $form_name))
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{
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$value = $value_in =& self::get_array($content, $form_name);
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// Link widgets can share IDs, make sure to preserve values from others
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$already = self::get_array($validated,$form_name);
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if($already != null)
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{
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$value = array_merge($value,$already);
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}
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// Automatically do link if user selected entry but didn't click 'Link' button
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$link = self::get_array($content, self::form_name($cname, $this->id . '_link_entry'));
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if($this->type =='link-to' && is_array($link) && $link['app'] && $link['id'] )
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{
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// Do we have enough information to link automatically?
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if(is_array($value) && $value['to_id'])
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{
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$result = egw_link::link($value['to_app'], $value['to_id'], $link['app'], $link['id']);
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}
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else
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{
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// Not enough information, leave it to the application
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if(!is_array($value['to_id'])) $value['to_id'] = array();
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$value['to_id'][] = $link;
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}
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}
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// Look for files - normally handled by ajax
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$files = self::get_array($content, self::form_name($cname, $this->id . '_file'));
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if(is_array($files) && !(is_array($value) && $value['to_id']))
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{
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$value = array();
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if (is_dir($GLOBALS['egw_info']['server']['temp_dir']) && is_writable($GLOBALS['egw_info']['server']['temp_dir']))
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{
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$path = $GLOBALS['egw_info']['server']['temp_dir'] . '/';
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}
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else
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{
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$path = '';
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}
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foreach($files as $name => $attrs)
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{
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if(!is_array($value['to_id'])) $value['to_id'] = array();
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$value['to_id'][] = array(
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'app' => egw_link::VFS_APPNAME,
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'id' => array(
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'name' => $attrs['name'],
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'type' => $attrs['type'],
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'tmp_name' => $path.$name
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)
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);
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}
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}
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$valid =& self::get_array($validated, $form_name, true);
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$valid = $value;
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//error_log($this);
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//error_log(" " . array2string($valid));
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}
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}
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}
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