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egroupware_official/etemplate/inc/class.customfields_widget.inc.php

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<?php
/**
* eGroupWare eTemplate Widget for custom fields
*
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker-AT-outdoor-training.de>
* @author Cornelius Weiss <egw@von-und-zu-weiss.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage extensions
* @version $Id$
*/
/**
* This widget generates a template for customfields based on definitions in egw_config table
*
* All widgets here have 2 comma-separated options ($cell[size]):
* - sub-type to display only the cf's without subtype or with a matching one
* - use-private to display only (non-)private cf's (0=regular ones, 1=private ones, default both)
*
* Private cf's the user has no right to see (neither him nor his memberships are mentioned) are never displayed.
*/
class customfields_widget
{
var $public_functions = array(
'pre_process' => True,
);
var $human_name = array(
'customfields' => 'custom fields',
'customfields-types' => 'custom field types',
'customfields-list' => 'custom field list',
'customfields-no-label' => 'custom fields without label',
);
/**
* Allowd types of customfields
*
* The additionally allowed app-names from the link-class, will be add by the edit-method only,
* as the link-class has to be called, which can NOT be instanciated by the constructor, as
* we get a loop in the instanciation.
*
* @var array
*/
var $cf_types = array(
'text' => 'Text',
'label' => 'Label',
'select' => 'Selectbox',
'radio' => 'Radiobutton',
'checkbox' => 'Checkbox',
'date' => 'Date',
'date-time'=> 'Date+Time',
'select-account' => 'Select account',
'button' => 'Button', // button to execute javascript
'url' => 'Url',
'url-email'=> 'EMail',
'url-phone'=> 'Phone number',
'link-entry' => 'Select entry', // should be last type, as the individual apps get added behind
);
/**
* @var $prefix string Prefix for every custiomfield name returned in $content (# for general (admin) customfields)
*/
var $prefix = '#';
/**
* Current application
*
* @var string
*/
var $appname;
/**
* Instance of the config class for $appname
*
* @var config
*/
var $config;
/**
* Our customfields as name => data array
*
* @var array
*/
var $customfields;
var $types;
var $advanced_search;
function __construct($ui,$appname=null)
{
$this->appname = $appname ? $appname : $GLOBALS['egw_info']['flags']['currentapp'];
$this->customfields = config::get_customfields($this->appname);
$this->types = config::get_content_types($this->appname);
$this->advanced_search = $GLOBALS['egw_info']['etemplate']['advanced_search'];
}
function pre_process($name,&$value,&$cell,&$readonlys,&$extension_data,&$tmpl)
{
list($app) = explode('.',$tmpl->name);
if ($this->appname == 'etemplate' || !$this->customfields || // if we are in the etemplate editor or the app has no cf's, load the cf's from the app the tpl belongs too
($app && $app != $this->appname) ) // app changed
{
self::__construct(null,$app);
}
list($type2,$use_private) = explode(',',$cell['size']);
$fields_with_vals=array();
$fields = $this->customfields;
// remove private or non-private cf's, if only one kind should be displayed
foreach((array)$fields as $key => $field)
{
if ((string)$use_private !== '' && (boolean)$field['private'] != (boolean)$use_private)
{
unset($fields[$key]);
}
}
// check if name refers to a single custom field --> show only that
if (($pos=strpos($cell['name'],$this->prefix)) !== false && // allow the prefixed name to be an array index too
preg_match("/$this->prefix([^\]]+)/",$cell['name'],$matches) && isset($fields[$name=$matches[1]]))
{
$fields = array($name => $fields[$name]);
$value = array($this->prefix.$name => $value);
$singlefield = true;
}
switch($type = $cell['type'])
{
case 'customfields-types':
$cell['type'] = 'select';
foreach($this->cf_types as $lname => $label)
{
$cell['sel_options'][$lname] = lang($label);
$fields_with_vals[]=$lname;
}
$link_types = egw_link::app_list();
ksort($link_types);
foreach($link_types as $lname => $label) $cell['sel_options'][$lname] = '- '.$label;
$cell['no_lang'] = true;
return true;
case 'customfields-list':
foreach(array_reverse($fields) as $lname => $field)
{
if (!empty($type2) && !empty($field['type2']) && strpos(','.$field['type2'].',',','.$type2.',') === false) continue; // not for our content type//
if (isset($value[$this->prefix.$lname]) && $value[$this->prefix.$lname] !== '') //break;
{
$fields_with_vals[]=$lname;
}
//$stop_at_field = $name;
}
break;
default:
foreach(array_reverse($fields) as $lname => $field)
{
$fields_with_vals[]=$lname;
}
}
$readonly = $cell['readonly'] || $readonlys[$name] || $type == 'customfields-list';
if(!is_array($fields))
{
$cell['type'] = 'label';
return True;
}
// making the cell an empty grid
$cell['type'] = 'grid';
$cell['data'] = array(array());
$cell['rows'] = $cell['cols'] = 0;
$n = 1;
foreach($fields as $lname => $field)
{
if (array_search($lname,$fields_with_vals) !== false)
{
if ($stop_at_field && $lname == $stop_at_field) break; // no further row necessary
// check if the customfield get's displayed for type $value, we can have multiple comma-separated types now
if (!empty($type2) && !empty($field['type2']) && strpos(','.$field['type2'].',',','.$type2.',') === false)
{
continue; // not for our content type
}
$new_row = null; etemplate::add_child($cell,$new_row);
if ($type != 'customfields-list' && $type == 'customfields')
{
$row_class = 'row';
etemplate::add_child($cell,$label =& etemplate::empty_cell('label','',array(
'label' => $field['label'],
'no_lang' => substr(lang($field['label']),-1) == '*' ? 2 : 0,
'span' => $field['type'] === 'label' ? '2' : '',
)));
}
elseif ($type == 'customfields-list')
{
if (isset($value[$this->prefix.$lname]) && $value[$this->prefix.$lname] !== '')
{
switch ((string)$field['type'])
{
case 'checkbox':
if ($value[$this->prefix.$lname]==0) break;
default:
etemplate::add_child($cell,$input =& etemplate::empty_cell('image','info.png',
array('label'=> $field['label'],'width'=>"16px")));
}
}
}
switch ((string)$field['type'])
{
case 'select' :
if (count($field['values']) == 1 && isset($field['values']['@']))
{
$field['values'] = $this->_get_options_from_file($field['values']['@']);
}
if($this->advanced_search && $field['rows'] <= 1) $field['values'][''] = lang('doesn\'t matter');
foreach($field['values'] as $key => $val)
{
if (substr($val = lang($val),-1) != '*')
{
$field['values'][$key] = $val;
}
}
$input =& etemplate::empty_cell('select',$this->prefix.$lname,array(
'sel_options' => $field['values'],
'size' => $field['rows'],
'no_lang' => True,
));
if($this->advanced_search)
{
$select =& $input; unset($input);
$input =& etemplate::empty_cell('hbox');
etemplate::add_child($input, $select); unset($select);
/* the following seem to double the select fields in advanced search.
etemplate::add_child($input, etemplate::empty_cell('select',$this->prefix.$lname,array(
'sel_options' => $field['values'],
'size' => $field['rows'],
'no_lang' => True
)));
*/
}
break;
case 'label' :
$row_class = 'th';
break;
case 'radio' :
$showthis = '#a#l#l#';
if (count($field['values']) == 1 && isset($field['values']['@']))
{
$field['values'] = $this->_get_options_from_file($field['values']['@']);
}
if($this->advanced_search && $field['rows'] <= 1) $field['values'][''] = lang('doesn\'t matter');
if ($readonly)
{
$showthis = $value[$this->prefix.$lname];
$input =& etemplate::empty_cell('hbox');
}
else
{
$input =& etemplate::empty_cell('groupbox');
}
$m = 0;
foreach ($field['values'] as $key => $val)
{
$radio = etemplate::empty_cell('radio',$this->prefix.$lname);
$radio['label'] = $val;
$radio['size'] = $key;
if ($showthis == '#a#l#l#' || $showthis == $key) etemplate::add_child($input,$radio);
unset($radio);
}
break;
case 'text' :
case 'textarea' :
case '' : // not set
$field['len'] = $field['len'] ? $field['len'] : 20;
if ($type != 'customfields-list')
{
if($field['rows'] <= 1)
{//text
list($max,$shown) = explode(',',$field['len']);
$tmparray=array(
'size' => intval($shown > 0 ? $shown : $max).','.intval($max),
'maxlength'=>intval($max),
);
if (is_array($field['values']))
{
if (array_key_exists('readonly',$field['values']))
{
if(!$this->advanced_search) $tmparray['readonly']='readonly';
}
}
$input =& etemplate::empty_cell('text',$this->prefix.$lname,$tmparray);
}
else
{//textarea
$tmparray=array(
'size' => $field['rows'].($field['len'] >0 ? ','.(int)$field['len'] : '')
);
if (is_array($field['values']) && array_key_exists('readonly',$field['values']))
{
if(!$this->advanced_search) $tmparray['readonly']='readonly';
}
$input =& etemplate::empty_cell('textarea',$this->prefix.$lname,$tmparray);
}
}
else
{
$input =& etemplate::empty_cell('label',$this->prefix.$lname);
}
break;
case 'date':
case 'date-time':
$input =& etemplate::empty_cell($field['type'],$this->prefix.$lname,array(
'size' => $field['len'] ? $field['len'] : ($field['type'] == 'date' ? 'Y-m-d' : 'Y-m-d H:i:s'),
));
break;
case 'select-account':
list($opts) = explode('=',$field['values'][0]);
$input =& etemplate::empty_cell('select-account',$this->prefix.$lname,array(
'size' => ($field['rows']>1?$field['rows']:lang('None')).','.$opts,
));
break;
case 'button': // button(s) to execute javascript (label=onclick) or textinputs (empty label, readonly with neg. length)
// a button does not seem to be helpful in advanced search ???,
if($this->advanced_search) break;
$input =& etemplate::empty_cell('hbox');
foreach($field['values'] as $label => $js)
{
if (!$label) // display an readonly input
{
$tmparray = array(
'size' => $field['len'] ? $field['len'] : 20,
'readonly' => $field['len'] < 0,
'onchange' => $js,
);
$widget =& etemplate::empty_cell('text',$this->prefix.$lname.$label,$tmparray);
}
else
{
if ($readonly) continue; // dont display buttons if we're readonly
$widget =& etemplate::empty_cell('buttononly',$this->prefix.$lname.$label,array(
'label' => $label ? $label : lang('Submit'),
'onclick' => $js,
'no_lang' => True
));
}
etemplate::add_child($input,$widget);
unset($widget);
}
break;
case 'url-email':
list($max,$shown,$validation_type,$default) = explode(',',$field['len'],4);
if (empty($max)) $max =128;
if (empty($shown)) $shown = 28;
if (empty($validation_type)) $validation_type = 1;
$field['len'] = implode(',',array($shown, $max, $validation_type, $default));
$input =& etemplate::empty_cell($field['type'],$this->prefix.$lname,array(
'size' => $field['len']
));
break;
case 'url':
case 'url-phone':
list($max,$shown,$validation_type) = explode(',',$field['len'],3);
if (empty($max)) $max =128;
if (empty($shown)) $shown = 28;
$field['len']=implode(',',array( $shown, $max, $validation_type));
$input =& etemplate::empty_cell($field['type'],$this->prefix.$lname,array(
'size' => $field['len']
));
break;
// other etemplate types, which are used just as is
case 'checkbox' :
$input =& etemplate::empty_cell($field['type'],$this->prefix.$lname);
break;
case 'link-entry':
default : // link-entry to given app
$input =& etemplate::empty_cell('link-entry',$this->prefix.$lname,array(
'size' => $field['type'] == 'link-entry' ? '' : $field['type'],
));
}
$cell['data'][0]['c'.$n++] = $row_class.',top';
if (!is_null($input))
{
if ($readonly) $input['readonly'] = true;
if ($cell['needed']) $input['needed'] = $cell['needed'];
if (!empty($field['help']) && $row_class != 'th')
{
$input['help'] = $field['help'];
$input['no_lang'] = substr(lang($help),-1) == '*' ? 2 : 0;
}
if ($singlefield) // a single field, can & need to be returned instead of the cell (no grid)
{
$cell = $input;
if ($type == 'customfields') $cell['label'] = $field['label'];
return true;
}
etemplate::add_child($cell,$input);
unset($input);
}
unset($label);
}
}
if ($type != 'customfields-list')
{
$cell['data'][0]['A'] = '100';
}
list($span,$class) = explode(',',$cell['span']); // msie (at least 5.5) shows nothing with div overflow=auto
// we dont want to use up the full space for the table created, so we skip the line below
//$cell['size'] = '100%,100%,0,'.$class.','.(in_array($type,array('customfields-list','customfields-no-label'))?'0,0':',').(html::$user_agent != 'msie' ? ',auto' : '');
return True; // extra Label is ok
}
/**
* Read the options of a 'select' or 'radio' custom field from a file
*
* For security reasons that file has to be relative to the eGW root
* (to not use that feature to explore arbitrary files on the server)
* and it has to be a php file setting one variable called options,
* (to not display it to anonymously by the webserver).
* The $options var has to be an array with value => label pairs, eg:
*
* <?php
* $options = array(
* 'a' => 'Option A',
* 'b' => 'Option B',
* 'c' => 'Option C',
* );
*
* @param string $file file name inside the eGW server root, either relative to it or absolute
* @return array in case of an error we return a single option with the message
*/
function _get_options_from_file($file)
{
if (!($path = realpath($file{0} == '/' ? $file : EGW_SERVER_ROOT.'/'.$file)) || // file does not exist
substr($path,0,strlen(EGW_SERVER_ROOT)+1) != EGW_SERVER_ROOT.'/' || // we are NOT inside the eGW root
basename($path,'.php').'.php' != basename($path) || // extension is NOT .php
basename($path) == 'header.inc.php') // dont allow to include our header again
{
return array(lang("'%1' is no php file in the eGW server root (%2)!".': '.$path,$file,EGW_SERVER_ROOT));
}
include($path);
return $options;
}
/**
* Get the customfield types containing links
*
* @return array with customefield types as values
*/
public static function get_customfield_link_types()
{
static $link_types;
if (is_null($link_types))
{
$link_types = array_keys(egw_link::app_list());
$link_types[] = 'link-entry';
}
return $link_types;
}
/**
* Check if there are links in the custom fields and update them
*
* This function have to be called manually by an application, if cf's linking
* to other entries should be stored as links too (beside as cf's).
*
* @param string $own_app own appname
* @param array $values new values including the custom fields
* @param array $old=null old values before the update, if existing
* @param string $id_name='id' name/key of the (link-)id in $values
*/
public static function update_customfield_links($own_app,array $values,array $old=null,$id_name='id')
{
$link_types = self::get_customfield_link_types();
foreach(config::get_customfields($own_app) as $name => $data)
{
if (!in_array($data['type'],$link_types)) continue;
// do we have a different old value --> delete that link
if ($old && $old['#'.$name] && $old['#'.$name] != $values['#'.$name])
{
if ($data['type'] == 'link-entry')
{
list($app,$id) = explode(':',$old['#'.$name]);
}
else
{
$app = $data['type'];
$id = $old['#'.$name];
}
egw_link::unlink(false,$own_app,$values[$id_name],'',$app,$id);
}
if ($data['type'] == 'link-entry')
{
list($app,$id) = explode(':',$values['#'.$name]);
}
else
{
$app = $data['type'];
$id = $values['#'.$name];
}
if ($id) // create new link, does nothing for already existing links
{
egw_link::link($own_app,$values[$id_name],$app,$id);
}
}
}
}
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