egroupware_official/etemplate/inc/class.etemplate_widget_link.inc.php

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<?php
/**
* EGroupware - eTemplate serverside of linking widgets
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Nathan Gray
* @copyright 2011 Nathan Gray
* @version $Id$
*/
/**
* eTemplate link widgets
* Deals with creation and display of links between entries in various participating egw applications
*/
class etemplate_widget_link extends etemplate_widget
{
/**
* Constructor
*
* @param string|XMLReader $xml string with xml or XMLReader positioned on the element to construct
* @throws egw_exception_wrong_parameter
*/
public function __construct($xml = '')
{
if($xml) {
parent::__construct($xml);
// TODO: probably a better way to do this
egw_framework::includeCSS('/phpgwapi/js/jquery/jquery-ui/smoothness/jquery-ui-1.8.16.custom.css');
}
}
/* Changes all link widgets to template
protected static $transformation = array(
'type' => array(
'link-list'=>array(
'value' => array('__callback__'=>'get_links'),
'type' => 'template',
'id' => 'etemplate.link_widget.list'
)
),
);
*/
/**
* Set up what we know on the server side.
*
* Set the options for the application select.
*
* @param string $cname
*/
public function beforeSendToClient($cname)
{
$attrs = $this->attrs;
$form_name = self::form_name($cname, $this->id);
$value =& self::get_array(self::$request->content, $form_name, true);
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if($value && !is_array($value))
{
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// Try to explode
if(!is_array(explode(':',$value))) {
throw new egw_exception_wrong_parameter("Wrong value sent to link widget, needs to be an array. ".array2string($value));
}
}
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elseif (!$value)
{
return;
}
$app = $value['to_app'];
$id = $value['to_id'];
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// ToDo: implement on client-side
if (!$attrs['help']) self::setElementAttribute($form_name, 'help', 'view this linked entry in its application');
if($attrs['type'] == 'link-list') {
$links = egw_link::get_links($app,$id,'','link_lastmod DESC',true, $value['show_deleted']);
_debug_array($links);
foreach($links as $link) {
$value[] = $link;
}
}
}
/**
* Find links that match the given parameters
*/
public static function ajax_link_search($app, $type, $pattern, $options=array()) {
$options['type'] = $type ? $type : $options['type'];
error_log("$app, $pattern, $options");
$links = egw_link::query($app, $pattern, $options);
$response = egw_json_response::get();
$response->data($links);
}
/**
* Return title for a given app/id pair
*
* @param string $app
* @param string|int $id
* @return string|boolean string with title, boolean false of permission denied or null if not found
*/
public static function ajax_link_title($app,$id)
{
$title = egw_link::title($app, $id);
//error_log(__METHOD__."('$app', '$id') = ".array2string($title));
egw_json_response::get()->data($title);
}
/**
* Return titles for all given app and id's
*
* @param array $app_ids array with app => array(id, ...) pairs
* @return array with app => id => title
*/
public static function ajax_link_titles(array $app_ids)
{
$response = array();
foreach($app_ids as $app => $ids)
{
$response[$app] = egw_link::titles($app, $ids);
}
egw_json_response::get()->data($response);
}
/**
* Create links
*/
public static function ajax_link($app, $id, Array $links) {
// Files need to know full path in tmp directory
foreach($links as &$link) {
if($link['app'] == egw_link::VFS_APPNAME) {
if (is_dir($GLOBALS['egw_info']['server']['temp_dir']) && is_writable($GLOBALS['egw_info']['server']['temp_dir']))
{
$path = $GLOBALS['egw_info']['server']['temp_dir'] . '/' . $link['id'];
}
else
{
$path = $link['id'].'+';
}
$link['tmp_name'] = $path;
$link['id'] = $link;
}
}
$result = egw_link::link($app, $id, $links);
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$response = egw_json_response::get();
$response->data($result !== false);
}
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public function ajax_link_list($value) {
$app = $value['to_app'];
$id = $value['to_id'];
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$links = egw_link::get_links($app,$id,$value['only_app'],'link_lastmod DESC',true, $value['show_deleted']);
foreach($links as &$link)
{
$link['title'] = egw_link::title($link['app'],$link['id'],$link);
if ($link['app'] == egw_link::VFS_APPNAME)
{
$link['target'] = '_blank';
$link['label'] = 'Delete';
$link['help'] = lang('Delete this file');
if ($GLOBALS['egw_info']['user']['preferences']['common']['link_list_format'] != 'text')
{
$link['title'] = preg_replace('/: ([^ ]+) /',': ',$link['title']); // remove mime-type, it's alread in the icon
}
$link['icon'] = egw_link::vfs_path($link['app2'],$link['id2'],$link['id'],true);
}
else
{
$link['icon'] = egw_link::get_registry($link['app'], 'icon');
$link['label'] = 'Unlink';
$link['help'] = lang('Remove this link (not the entry itself)');
}
}
$response = egw_json_response::get();
// Strip keys, unneeded and cause index problems on the client side
$response->data(array_values($links));
}
public function ajax_delete($value) {
$response = egw_json_response::get();
$response->data(egw_link::unlink($value));
}
}