forked from extern/egroupware
381 lines
12 KiB
PHP
381 lines
12 KiB
PHP
<?php
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/**
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* EGroupware - eTemplate custom fields widget
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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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* Widgets for custom fields and listing custom fields
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*
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*/
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class etemplate_widget_customfields extends etemplate_widget_transformer
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{
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/**
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* Allowd types of customfields
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*
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* The additionally allowed app-names from the link-class, will be add by the edit-method only,
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* as the link-class has to be called, which can NOT be instanciated by the constructor, as
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* we get a loop in the instanciation.
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*
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* @var array
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*/
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protected static $cf_types = array(
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'text' => 'Text',
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'float' => 'Float',
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'label' => 'Label',
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'select' => 'Selectbox',
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'ajax_select' => 'Search',
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'radio' => 'Radiobutton',
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'checkbox' => 'Checkbox',
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'date' => 'Date',
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'date-time'=> 'Date+Time',
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'select-account' => 'Select account',
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'button' => 'Button', // button to execute javascript
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'url' => 'Url',
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'url-email'=> 'EMail',
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'url-phone'=> 'Phone number',
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'htmlarea' => 'Formatted Text (HTML)',
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'link-entry' => 'Select entry', // should be last type, as the individual apps get added behind
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);
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/**
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* @var $prefix string Prefix for every custiomfield name returned in $content (# for general (admin) customfields)
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*/
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protected static $prefix = '#';
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// Make settings available globally
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const GLOBAL_VALS = '~custom_fields~';
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// Used if there's no ID provided
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const GLOBAL_ID = 'custom_fields';
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protected $legacy_options = 'sub-type,use-private,field-names';
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protected static $transformation = array(
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'type' => array(
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'customfields-types' => array(
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'type' => 'select',
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'sel_options' => array()
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),
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'customfields-list' => array(
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'readonly' => true
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)
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)
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);
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public function __construct($xml)
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{
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parent::__construct($xml);
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}
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/**
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* Fill type options in self::$request->sel_options to be used on the client
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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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// No name, no way to get parameters client-side.
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if(!$this->id) $this->id = self::GLOBAL_ID;
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$form_name = self::form_name($cname, $this->id);
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// Store properties at top level, so all customfield widgets can share
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$app =& $this->getElementAttribute(self::GLOBAL_VALS, 'app');
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if($this->getElementAttribute($form_name, 'app'))
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{
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$app =& $this->getElementAttribute($form_name, 'app');
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} else
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{
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// Checking creates it even if it wasn't there
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unset(self::$request->modifications[$form_name]['app']);
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}
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if($this->getElementAttribute($form_name, 'customfields'))
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{
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$customfields =& $this->getElementAttribute($form_name, 'customfields');
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}
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elseif($app)
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{
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// Checking creates it even if it wasn't there
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unset(self::$request->modifications[$form_name]['customfields']);
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$customfields =& $this->getElementAttribute(self::GLOBAL_VALS, 'customfields');
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}
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if(!$app)
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{
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$app =& $this->setElementAttribute(self::GLOBAL_VALS, 'app', $GLOBALS['egw_info']['flags']['currentapp']);
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$customfields =& $this->setElementAttribute(self::GLOBAL_VALS, 'customfields', config::get_customfields($app));
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}
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// if we are in the etemplate editor or the app has no cf's, load the cf's from the app the tpl belongs too
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if ($app && $app != 'stylite' && $app != $GLOBALS['egw_info']['flags']['currentapp'] && (
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$GLOBALS['egw_info']['flags']['currentapp'] == 'etemplate' || !$this->attrs['customfields'] ||
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etemplate::$hooked
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))
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{
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// app changed
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$customfields =& config::get_customfields($app);
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}
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// Filter fields
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if($this->attrs['field-names'])
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{
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if($this->attrs['field-names'][0] == '!')
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{
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$negate_field_filter = true;
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$this->attrs['field-names'] = substr($this->attrs['field_names'],1);
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}
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$field_filter = explode(',', $this->attrs['field_names']);
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}
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$fields = $customfields;
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$use_private = self::expand_name($this->attrs['use-private'],0,0,'','',self::$cont);
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$this->attrs['sub-type'] = self::expand_name($this->attrs['sub-type'],0,0,'','',self::$cont);
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foreach((array)$fields as $key => $field)
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{
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// remove private or non-private cf's, if only one kind should be displayed
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if ((string)$use_private !== '' && (boolean)$field['private'] != (boolean)$use_private)
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{
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unset($fields[$key]);
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}
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// Remove filtered fields
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if($field_filter && (!$negate_field_filter && !in_array($key, $field_filter) ||
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$negate_field_filter && in_array($key, $field_filter)))
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{
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unset($fields[$key]);
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}
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}
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// check if name refers to a single custom field --> show only that
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$matches = null;
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if (($pos=strpos($form_name,self::$prefix)) !== false && // allow the prefixed name to be an array index too
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preg_match("/$this->prefix([^\]]+)/",$form_name,$matches) && isset($fields[$name=$matches[1]]))
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{
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$fields = array($name => $fields[$name]);
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$value = array($this->prefix.$name => $value);
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$form_name = substr($form_name,0,-strlen("[$this->prefix$name]"));
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}
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if(!is_array($fields)) $fields = array();
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switch($type = $this->type)
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{
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case 'customfields-types':
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foreach(self::$cf_types as $lname => $label)
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{
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$sel_options[$lname] = lang($label);
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$fields_with_vals[]=$lname;
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}
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$link_types = egw_link::app_list();
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ksort($link_types);
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foreach($link_types as $lname => $label)
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{
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$sel_options[$lname] = '- '.$label;
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}
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self::$transformation['type'][$type]['sel_options'] = $sel_options;
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self::$transformation['type'][$type]['no_lang'] = true;
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return parent::beforeSendToClient($cname);
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case 'customfields-list':
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foreach(array_reverse($fields) as $lname => $field)
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{
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if (!empty($this->attrs['sub-type']) && !empty($field['type2']) &&
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strpos(','.$field['type2'].',',','.$field['type2'].',') === false) continue; // not for our content type//
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if (isset($value[$this->prefix.$lname]) && $value[$this->prefix.$lname] !== '') //break;
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{
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$fields_with_vals[]=$lname;
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}
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//$stop_at_field = $name;
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}
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break;
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default:
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foreach(array_reverse($fields) as $lname => $field)
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{
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$fields_with_vals[]=$lname;
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}
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}
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if($fields != $customfields)
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{
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// This widget has different settings from global
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$this->setElementAttribute($form_name, 'customfields', $fields);
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$this->setElementAttribute($form_name, 'fields', array_merge(
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array_fill_keys(array_keys($customfields), false),
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array_fill_keys(array_keys($fields), true)
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));
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}
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parent::beforeSendToClient($cname);
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// Re-format date custom fields from Y-m-d
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$field_settings =& self::get_array(self::$request->modifications, "{$this->id}[customfields]",true);
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if (true) $field_settings = array();
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$link_types = egw_link::app_list();
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foreach($fields as $fname => $field)
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{
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// Run beforeSendToClient for each field
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$widget = $this->_widget($fname, $field);
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if(method_exists($widget, 'beforeSendToClient'))
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{
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$widget->beforeSendToClient($this->id == self::GLOBAL_ID ? '' : $this->id);
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}
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}
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}
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/**
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* Instanciate (server-side) widget used to implement custom-field, to run its beforeSendToClient or validate method
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*
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* @param string $fname custom field name
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* @param array $field custom field data
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* @return etemplate_widget
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*/
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protected function _widget($fname, array $field)
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{
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static $link_types = null;
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if (!isset($link_types)) $link_types = egw_link::app_list ();
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$type = $field['type'];
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// Link-tos needs to change from appname to link-to
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if($link_types[$field['type']])
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{
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$type = 'link-to';
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}
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$widget = self::factory($type, '<'.$type.' type="'.$type.'" id="'.self::$prefix.$fname.'"/>', self::$prefix.$fname);
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$widget->id = self::$prefix.$fname;
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$widget->attrs['type'] = $type;
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// some type-specific (default) attributes
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switch($type)
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{
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case 'date':
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case 'date-time':
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$widget->attrs['dataformat'] = $type == 'date' ? 'Y-m-d' : 'Y-m-d H:i:s';
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break;
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case 'link-to':
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$widget->attrs['only_app'] = $field['type'];
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break;
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case 'select':
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$this->attrs['multiple'] = $field['rows'] > 1;
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// fall through
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case 'radio':
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if (count($field['values']) == 1 && isset($field['values']['@']))
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{
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$field['values'] = self::_get_options_from_file($field['values']['@']);
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}
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self::$request->sel_options[self::$prefix.$fname] = $field['values'];
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//error_log(__METHOD__."('$fname', ".array2string($field).") request->sel_options['".self::$prefix.$fname."']=".array2string(self::$request->sel_options[$this->id]));
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break;
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}
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return $widget;
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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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if ($this->id)
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{
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$form_name = self::form_name($cname, $this->id, $expand);
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}
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else
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{
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$form_name = self::GLOBAL_ID;
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}
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if (!$this->is_readonly($cname, $form_name))
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{
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$value_in = self::get_array($content, $form_name);
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$customfields =& $this->getElementAttribute(self::GLOBAL_VALS, 'customfields');
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if(is_array($value_in))
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{
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foreach($value_in as $field => $value)
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{
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$field_settings = $customfields[$fname=substr($field,1)];
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// check if single field is set readonly, used in apps as it was only way to make cfs readonly in old eT
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if ($this->is_readonly($form_name != self::GLOBAL_ID ? $form_name : '', $field))
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{
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continue;
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}
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// run validation method of widget implementing this custom field
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$widget = $this->_widget($fname, $field_settings);
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$widget->validate($cname, $expand, $content, $validated);
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if ($field_settings['needed'] && (is_array($value) ? !$value : (string)$value === ''))
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{
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self::set_validation_error($field,lang('Field must not be empty !!!'),'');
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}
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$valid =& self::get_array($validated, $this->id ? $form_name : $field, true);
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if (is_array($valid)) $valid = implode(',', $valid);
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// NULL is valid for most fields, but not custom fields due to backend handling
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// See so_sql_cf->save()
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if (is_null($valid)) $valid = false;
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//error_log(__METHOD__."() $form_name $field: ".array2string($value).' --> '.array2string($valid));
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}
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}
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elseif ($this->type == 'customfields-types')
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{
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// Transformation doesn't handle validation
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$valid =& self::get_array($validated, $this->id ? $form_name : $field, true);
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if (true) $valid = $value_in;
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//error_log(__METHOD__."() $form_name $field: ".array2string($value).' --> '.array2string($value));
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}
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}
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}
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/**
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* Read the options of a 'select' or 'radio' custom field from a file
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*
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* For security reasons that file has to be relative to the eGW root
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* (to not use that feature to explore arbitrary files on the server)
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* and it has to be a php file setting one variable called options,
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* (to not display it to anonymously by the webserver).
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* The $options var has to be an array with value => label pairs, eg:
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*
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* <?php
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* $options = array(
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* 'a' => 'Option A',
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* 'b' => 'Option B',
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* 'c' => 'Option C',
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* );
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*
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* @param string $file file name inside the eGW server root, either relative to it or absolute
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* @return array in case of an error we return a single option with the message
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*/
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public static function _get_options_from_file($file)
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{
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if (!($path = realpath($file{0} == '/' ? $file : EGW_SERVER_ROOT.'/'.$file)) || // file does not exist
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substr($path,0,strlen(EGW_SERVER_ROOT)+1) != EGW_SERVER_ROOT.'/' || // we are NOT inside the eGW root
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basename($path,'.php').'.php' != basename($path) || // extension is NOT .php
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basename($path) == 'header.inc.php') // dont allow to include our header again
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{
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return array(lang("'%1' is no php file in the eGW server root (%2)!".': '.$path,$file,EGW_SERVER_ROOT));
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}
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$options = array();
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include($path);
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return $options;
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}
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}
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