mirror of
https://github.com/EGroupware/egroupware.git
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472 lines
15 KiB
PHP
472 lines
15 KiB
PHP
<?php
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/**
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* EGroupware - eTemplate serverside tree 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 2012 Nathan Gray
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* @version $Id$
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*/
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egw_framework::includeCSS('/phpgwapi/js/dhtmlxtree/codebase/dhtmlXTree.css');
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/**
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* eTemplate tree widget
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*
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* @see http://docs.dhtmlx.com/doku.php?id=dhtmlxtree:syntax_templates Tree syntax
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*
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* Example initialisation of tree via $sel_options array:
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*
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* use \etemplate_widget_tree as tree;
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*
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* $sel_options['tree'] = array(
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* tree::ID => 0, tree::CHILDREN => array( // ID of root has to be 0!
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* array(
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* tree::ID => '/INBOX',
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* tree::LABEL => 'INBOX', tree::TOOLTIP => 'Your inbox',
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* tree::OPEN => 1, tree::IMAGE_FOLDER_OPEN => 'kfm_home.png', tree::IMAGE_FOLDER_CLOSED => 'kfm_home.png',
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* tree::CHILDREN => array(
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* array(tree::ID => '/INBOX/sub', tree::LABEL => 'sub', tree::IMAGE_LEAF => 'folderClosed.gif'),
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* array(tree::ID => '/INBOX/sub2', tree::LABEL => 'sub2', tree::IMAGE_LEAF => 'folderClosed.gif'),
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* ),
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* ),
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* array(
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* tree::ID => '/user',
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* tree::LABEL => 'user',
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* tree::CHILDREN => array(
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* array(tree::ID => '/user/birgit', tree::LABEL => 'birgit', tree::IMAGE_LEAF => 'folderClosed.gif'),
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* array(tree::ID => '/user/ralf', tree::LABEL => 'ralf', tree::AUTOLOAD_CHILDREN => 1),
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* )
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* ),
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* ));
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*
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* Please note:
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* - for more info see class constants below
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* - all images have to be under url specified in attribute "image_path", default $websererUrl/phpgwapi/templates/default/image/dhtmlxtree
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* - you can use attribute "std_images" to supply different standard images from default
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* [ "leaf.gif", "folderOpen.gif", "folderClosed.gif" ]
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* - images can also be specified as standard "app/image" string, client-side will convert them to url relativ to image_path
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* - json autoloading uses identical data-structur and should use etemplate_widget_tree::send_quote_json($data)
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* to send data to client, as it takes care of html-encoding of node text
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* - if autoloading is enabled, you have to validate returned results yourself, as widget does not know (all) valid id's
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*/
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class etemplate_widget_tree extends etemplate_widget
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{
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/**
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* key for id of node, has to be unique, eg. a path, nummerical id is allowed too
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* if of root has to be 0!
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*/
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const ID = 'id';
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/**
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* key for label of node
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*/
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const LABEL = 'text';
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/**
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* key for tooltip / title of node
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*/
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const TOOLTIP = 'tooltip';
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/**
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* key for array of children (not json object: numerical keys 0, 1, ...)
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*/
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const CHILDREN = 'item';
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/**
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* key if children exist and should be autoloaded, set value to 1
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*/
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const AUTOLOAD_CHILDREN = 'child';
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/**
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* key of relative url of leaf image or standard "app/image" string
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* used if node has not [AUTOLOAD_]CHILDREN set
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*/
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const IMAGE_LEAF = 'im0';
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/**
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* key of relative url of open folder image or standard "app/image" string
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* used if node has [AUTOLOAD_]CHILDREN set AND is open
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*/
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const IMAGE_FOLDER_OPEN = 'im1';
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/**
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* key of relative url of closed folder image or standard "app/image" string
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* used if node has [AUTOLOAD_]CHILDREN set AND is closed
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*/
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const IMAGE_FOLDER_CLOSED = 'im2';
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/**
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* key of flag if folder is open, default folder is closed
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*/
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const OPEN = 'open';
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/**
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* Parse and set extra attributes from xml in template object
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*
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* Reimplemented to parse our differnt attributes
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*
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* @param string|XMLReader $xml
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* @param boolean $cloned =true true: object does NOT need to be cloned, false: to set attribute, set them in cloned object
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* @return etemplate_widget_template current object or clone, if any attribute was set
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*/
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public function set_attrs($xml, $cloned=true)
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{
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$this->attrs['type'] = $xml->localName;
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parent::set_attrs($xml, $cloned);
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// set attrs[multiple] from attrs[options]
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if ($this->attrs['options'] > 1)
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{
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$this->setElementAttribute($this->id, 'multiple', true);
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}
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}
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/**
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* Send data as json back to tree
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*
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* Basicly sends a Content-Type and echos json encoded $data and exit.
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*
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* As text parameter accepts html in tree, we htmlencode it here!
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*
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* @param array $data
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*/
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public static function send_quote_json(array $data)
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{
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// switch regular JSON response handling off
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egw_json_request::isJSONRequest(false);
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header('Content-Type: application/json; charset=utf-8');
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echo json_encode(self::htmlencode_node($data));
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common::egw_exit();
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}
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/**
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* HTML encoding of text and tooltip of node including all children
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*
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* @param array $item
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* @return array
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*/
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public static function htmlencode_node(array $item)
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{
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$item['text'] = html::htmlspecialchars($item['text']);
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if (isset($item['item']) && is_array($item['item']))
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{
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foreach($item['item'] as &$child)
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{
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$child = self::htmlencode_node($child);
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}
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}
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return $item;
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}
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/**
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* Check if given $id is one of given tree
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*
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* @param string $id needle
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* @param array $item haystack with values for attributes 'id' and 'item' (children)
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* @return boolean true if $id is contained in $item or it's children, false otherwise
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*/
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public static function in_tree($id, array $item)
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{
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if ((string)$id === (string)$item['id'])
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{
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return true;
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}
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foreach((array)$item['item'] as $child)
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{
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if (self::in_tree($id, $child)) return true;
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}
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return false;
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}
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/**
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* Check if given $id is cat_id attribute of one of given array members
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*
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* @param int $id
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* @param array $cats
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* @return boolean
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*/
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public static function in_cats($id, array $cats)
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{
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return (boolean)array_filter($cats, function($cat) use($id){
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return $cat['id'] == $id;
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});
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}
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/**
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* Validate input
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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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$form_name = self::form_name($cname, $this->id, $expand);
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$ok = true;
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if (!$this->is_readonly($cname, $form_name))
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{
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$value = $value_in = self::get_array($content, $form_name);
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// we can not validate if autoloading is enabled
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if (!$this->attrs['autoloading'])
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{
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$allowed = $this->attrs['multiple'] ? array() : array('' => $this->attrs['options']);
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$allowed += self::selOptions($form_name);
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foreach((array) $value as $val)
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{
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if ($this->type == 'tree-cat' && !($this->attrs['multiple'] && !$val) && !self::in_cats($val, $allowed) ||
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$this->type == 'tree' && !self::in_tree($val, $allowed))
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{
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self::set_validation_error($form_name,lang("'%1' is NOT allowed%2)!", $val,
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$this->type == 'tree-cat' ? " ('".implode("','",array_keys($allowed)).')' : ''), '');
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$value = '';
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break;
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}
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}
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}
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// return values for cat-tree as string, but not for regular tree as it can have id's with comma!
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if (is_array($value) && $this->type == 'tree-cat')
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{
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$value = implode(',',$value);
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}
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if ($ok && $value === '' && $this->attrs['needed'])
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{
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self::set_validation_error($form_name,lang('Field must not be empty !!!',$value),'');
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}
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$valid =& self::get_array($validated, $form_name, true);
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if (true) $valid = $value;
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//error_log(__METHOD__."() $form_name: ".array2string($value_in).' --> '.array2string($value).', allowed='.array2string($allowed));
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}
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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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$form_name = self::form_name($cname, $this->id);
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if (($templated_path = self::templateImagePath($this->attrs['image_path'])) != $this->attrs['image_path'])
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{
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self::setElementAttribute($form_name, 'image_path', $this->attrs['image_path'] = $templated_path);
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//error_log(__METHOD__."() setting templated image-path for $form_name: $templated_path");
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}
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if (!is_array(self::$request->sel_options[$form_name])) self::$request->sel_options[$form_name] = array();
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if ($this->attrs['type'])
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{
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// += to keep further options set by app code
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self::$request->sel_options[$form_name] += self::typeOptions($this->attrs['type'], $this->attrs['options'],
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$no_lang=null, $this->attrs['readonly'], self::get_array(self::$request->content, $form_name));
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// if no_lang was modified, forward modification to the client
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if ($no_lang != $this->attr['no_lang'])
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{
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self::setElementAttribute($form_name, 'no_lang', $no_lang);
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}
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}
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// Make sure s, etc. are properly encoded when sent, and not double-encoded
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foreach(self::$request->sel_options[$form_name] as &$label)
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{
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if(!is_array($label))
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{
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$label = html_entity_decode($label, ENT_NOQUOTES,'utf-8');
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}
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elseif($label['label'])
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{
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$label['label'] = html_entity_decode($label['label'], ENT_NOQUOTES,'utf-8');
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}
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}
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}
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/**
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* Get template specific image path
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*
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* @param string $image_path =null default path to use, or empty to use default of /phpgwapi/templates/default/images/dhtmlxtree
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* @return string templated url if available, otherwise default path
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*/
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public static function templateImagePath($image_path=null)
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{
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$webserver_url = $GLOBALS['egw_info']['server']['webserver_url'];
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if (empty($image_path))
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{
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$image_path = $webserver_url.'/phpgwapi/templates/default/images/dhtmlxtree/';
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}
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// check if we have template-set specific image path
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if ($webserver_url && $webserver_url != '/')
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{
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list(,$image_path) = explode($webserver_url, $image_path, 2);
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}
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$templated_path = strtr($image_path, array(
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'/phpgwapi/templates/default' => $GLOBALS['egw']->framework->template_dir,
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'/default/' => '/'.$GLOBALS['egw']->framework->template.'/',
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));
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if (file_exists(EGW_SERVER_ROOT.$templated_path))
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{
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return ($webserver_url != '/' ? $webserver_url : '').$templated_path;
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//error_log(__METHOD__."() setting templated image-path for $form_name: $templated_path");
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}
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return ($webserver_url != '/' ? $webserver_url : '').$image_path;
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}
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/**
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* Return image relative to trees image-path
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*
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* @param string $image url of image, eg. from common::image($image, $app)
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* @return string path relative to image-path, to use when returning tree data eg. via json
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*/
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public static function imagePath($image)
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{
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static $image_path=null;
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if (!isset($image_path)) $image_path = self::templateImagePath ();
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$parts = explode('/', $image_path);
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$image_parts = explode('/', $image);
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// remove common parts
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while(isset($parts[0]) && $parts[0] === $image_parts[0])
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{
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array_shift($parts);
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array_shift($image_parts);
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}
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// add .. for different parts, except last image part
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$url = implode('/', array_merge(array_fill(0, count($parts)-1, '..'), $image_parts));
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//error_log(__METHOD__."('$image') image_path=$image_path returning $url");
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return $url;
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}
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/**
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* Get options from $sel_options array for a given selectbox name
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*
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* @param string $name
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* @param boolean $no_lang=false value of no_lang attribute
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* @return array
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*/
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public static function selOptions($name)
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{
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$options = array();
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if (isset(self::$request->sel_options[$name]) && is_array(self::$request->sel_options[$name]))
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{
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$options += self::$request->sel_options[$name];
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}
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else
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{
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$name_parts = explode('[',str_replace(']','',$name));
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if (count($name_parts))
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{
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$org_name = $name_parts[count($name_parts)-1];
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if (isset(self::$request->sel_options[$org_name]) && is_array(self::$request->sel_options[$org_name]))
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{
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$options += self::$request->sel_options[$org_name];
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}
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elseif (isset(self::$request->sel_options[$name_parts[0]]) && is_array(self::$request->sel_options[$name_parts[0]]))
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{
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$options += self::$request->sel_options[$name_parts[0]];
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}
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}
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}
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if (isset(self::$request->content['options-'.$name]))
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{
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$options += self::$request->content['options-'.$name];
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}
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//error_log(__METHOD__."('$name') returning ".array2string($options));
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return $options;
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}
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/**
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* Fetch options for certain tree types
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*
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* @param string $widget_type
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* @param string $legacy_options options string of widget
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* @param boolean $no_lang=false initial value of no_lang attribute (some types set it to true)
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* @param boolean $readonly =false
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* @param mixed $value =null value for readonly
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* @return array with value => label pairs
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*/
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public static function typeOptions($widget_type, $legacy_options, &$no_lang=false, $readonly=false, $value=null)
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{
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list($rows,$type,$type2,$type3) = explode(',',$legacy_options);
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$no_lang = false;
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$options = array();
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switch ($widget_type)
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{
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case 'tree-cat': // !$type == globals cats too, $type2: extraStyleMultiselect, $type3: application, if not current-app, $type4: parent-id, $type5=owner (-1=global),$type6=show missing
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if ($readonly) // for readonly we dont need to fetch all cat's, nor do we need to indent them by level
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{
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$cell['no_lang'] = True;
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foreach(is_array($value) ? $value : (strpos($value,',') !== false ? explode(',',$value) : array($value)) as $id)
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{
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if ($id) $cell['sel_options'][$id] = stripslashes($GLOBALS['egw']->categories->id2name($id));
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}
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break;
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}
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if (!$type3 || $type3 === $GLOBALS['egw']->categories->app_name)
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{
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$categories =& $GLOBALS['egw']->categories;
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}
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else // we need to instanciate a new cat object for the correct application
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{
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$categories = new categories('',$type3);
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}
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$cat2path=array();
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foreach((array)$categories->return_sorted_array(0,False,'','','',!$type,0,true) as $cat)
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{
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$s = stripslashes($cat['name']);
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if ($cat['app_name'] == 'phpgw' || $cat['owner'] == '-1')
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{
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$s .= ' ♦';
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}
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$cat2path[$cat['id']] = $path = ($cat['parent'] ? $cat2path[$cat['parent']].'/' : '').(string)$cat['id'];
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// 1D array
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$options[] = $cat + array(
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'text' => $s,
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'path' => $path,
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/*
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These ones to play nice when a user puts a tree & a selectbox with the same
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ID on the form (addressbook edit):
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if tree overwrites selectbox options, selectbox will still work
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*/
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'label' => $s,
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'title' => $cat['description']
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);
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// Tree in array
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//$options[$cat['parent']][] = $cat;
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}
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// change cat-ids to pathes and preserv unavailible cats (eg. private user-cats)
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if ($value)
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{
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$pathes = $extension_data['unavailable'] = array();
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foreach(is_array($value) ? $value : explode(',',$value) as $cat)
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{
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if (isset($cat2path[$cat]))
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{
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$pathes[] = $cat2path[$cat];
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}
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else
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{
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$extension_data['unavailable'][] = $cat;
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}
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}
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$value = $rows ? $pathes : $pathes[0];
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}
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$cell['size'] = $rows.($type2 ? ','.$type2 : '');
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$no_lang = True;
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break;
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}
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//error_log(__METHOD__."('$widget_type', '$legacy_options', no_lang=".array2string($no_lang).', readonly='.array2string($readonly).", value=$value) returning ".array2string($options));
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return $options;
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}
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}
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