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egroupware_official/etemplate/inc/class.etemplate_widget_entry.inc.php

126 lines
3.3 KiB
PHP

<?php
/**
* EGroupware eTemplate Extension - Entry Widget
*
* This is the server side for a widget that loads a particular entry from an
* application, and displays the value of a particular field
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage extensions
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker@outdoor-training.de>
* @version $Id: class.contact_widget.inc.php 46844 2014-05-07 09:00:59Z ralfbecker $
*/
/**
* eTemplate Extension: Entry widget
*
* This widget can be used to fetch fields of any entry specified by its ID.
* The entry is loaded once and shared amoung widget that need it.
*/
abstract class etemplate_widget_entry extends etemplate_widget_transformer
{
/**
* @var $prefix string Prefix for the ID to avoid conflicts between the
* record and the original value
*/
const ID_PREFIX = '~';
/**
* (Array of) comma-separated list of legacy options to automatically replace when parsing with set_attrs
*
* @var string|array
*/
protected $legacy_options = 'field';
/**
* Array with a transformation description, based on attributes to modify.
*
* @see etemplate_widget_transformer::$transformation
*
* @var array
*/
protected static $transformation = array(
'type' => array(
'entry-fields' => array( // List of fields
'sel_options' => array('__callback__' => 'get_field_list'),
'type' => 'select',
'no_lang' => true,
'options' => 'None',
),
)
);
/**
* Load entry
*
* @param string $cname
*/
public function beforeSendToClient($cname, array $expand=array())
{
$attrs = $this->attrs;
$attrs['type'] = $this->type;
$attrs['id'] = $this->id;
$form_name = self::form_name($cname, $this->id);
$data_id = $attrs['value'] ? self::form_name($cname, $attrs['value']) : self::form_name($cname, self::ID_PREFIX . $this->id);
// No need to proceed
if(!$data_id) return;
// Find out which record to load
$value = self::get_array(self::$request->content, $form_name, false, true);
if(!$value)
{
// Try here... legacy / fallback / just make it work
$value = self::get_array(self::$request->content, $data_id, true, false);
$data = static::get_entry($value, $attrs);
}
else
{
// Get the record itself
$data = self::get_array(self::$request->content, $data_id, true, false);
if(!$data)
{
$data = static::get_entry($value, $attrs);
}
}
// Set the new value so transformer can find it. Use prefix to avoid changing the original value
$new_value =& self::get_array(self::$request->content, self::ID_PREFIX .$this->id, true, false);
$new_value = $data;
$this->id = self::ID_PREFIX . $this->id . "[{$attrs['field']}]";
$old_type = self::getElementAttribute($this->id, 'type');
parent::beforeSendToClient($cname, $expand);
// Check for conflict - more than one with same id/field and different type
if($old_type && $old_type != $this->type)
{
//self::set_validation_error($this->id, lang('%1, duplicate ID', $this));
}
}
/**
* Get entry data
*
* @param int|string|array $value
* @param array $attrs
* @return array
*/
abstract function get_entry($value, array $attrs);
/**
* Get a list of fields available for display
*
* @return Array
*/
protected static function get_field_list()
{
return array();
}
}