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