egroupware/etemplate/inc/class.etemplate_widget_tree.inc.php

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<?php
/**
* EGroupware - eTemplate serverside tree widget
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Nathan Gray
* @copyright 2012 Nathan Gray
* @version $Id$
*/
egw_framework::includeCSS('/phpgwapi/js/dhtmlxtree/codebase/dhtmlXTree.css');
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/**
* eTemplate tree widget
*
* @see http://docs.dhtmlx.com/doku.php?id=dhtmlxtree:syntax_templates Tree syntax
*
* Example initialisation of tree via $sel_options array:
*
* use \etemplate_widget_tree as tree;
*
* $sel_options['tree'] = array(
* tree::ID => 0, tree::CHILDREN => array( // ID of root has to be 0!
* array(
* tree::ID => '/INBOX',
* tree::LABEL => 'INBOX', tree::TOOLTIP => 'Your inbox',
* tree::OPEN => 1, tree::IMAGE_FOLDER_OPEN => 'kfm_home.png', tree::IMAGE_FOLDER_CLOSED => 'kfm_home.png',
* tree::CHILDREN => array(
* array(tree::ID => '/INBOX/sub', tree::LABEL => 'sub', tree::IMAGE_LEAF => 'folderClosed.gif'),
* array(tree::ID => '/INBOX/sub2', tree::LABEL => 'sub2', tree::IMAGE_LEAF => 'folderClosed.gif'),
* ),
* tree::CHECKED => true,
* ),
* array(
* tree::ID => '/user',
* tree::LABEL => 'user',
* tree::CHILDREN => array(
* array(tree::ID => '/user/birgit', tree::LABEL => 'birgit', tree::IMAGE_LEAF => 'folderClosed.gif'),
* array(tree::ID => '/user/ralf', tree::LABEL => 'ralf', tree::AUTOLOAD_CHILDREN => 1),
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* ),
* tree::NOCHECKBOX => true
* ),
* ));
*
* Please note:
* - for more info see class constants below
* - all images have to be under url specified in attribute "image_path", default $websererUrl/phpgwapi/templates/default/image/dhtmlxtree
* - you can use attribute "std_images" to supply different standard images from default
* [ "leaf.gif", "folderOpen.gif", "folderClosed.gif" ]
* - images can also be specified as standard "app/image" string, client-side will convert them to url relativ to image_path
* - json autoloading uses identical data-structur and should use etemplate_widget_tree::send_quote_json($data)
* to send data to client, as it takes care of html-encoding of node text
* - if autoloading is enabled, you have to validate returned results yourself, as widget does not know (all) valid id's
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*/
class etemplate_widget_tree extends etemplate_widget
{
/**
* key for id of node, has to be unique, eg. a path, nummerical id is allowed too
* if of root has to be 0!
*/
const ID = 'id';
/**
* key for label of node
*/
const LABEL = 'text';
/**
* key for tooltip / title of node
*/
const TOOLTIP = 'tooltip';
/**
* key for array of children (not json object: numerical keys 0, 1, ...)
*/
const CHILDREN = 'item';
/**
* key if children exist and should be autoloaded, set value to 1
*/
const AUTOLOAD_CHILDREN = 'child';
/**
* key of relative url of leaf image or standard "app/image" string
* used if node has not [AUTOLOAD_]CHILDREN set
*/
const IMAGE_LEAF = 'im0';
/**
* key of relative url of open folder image or standard "app/image" string
* used if node has [AUTOLOAD_]CHILDREN set AND is open
*/
const IMAGE_FOLDER_OPEN = 'im1';
/**
* key of relative url of closed folder image or standard "app/image" string
* used if node has [AUTOLOAD_]CHILDREN set AND is closed
*/
const IMAGE_FOLDER_CLOSED = 'im2';
/**
* key of flag if folder is open, default folder is closed
*/
const OPEN = 'open';
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/**
* key to check checkbox if exists (in case of three-state checkboxes values can be:0 unchecked- 1 - checked or -1 - unsure)
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*/
const CHECKED = 'checked';
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/**
* key to instruct the component not to render checkbox for the related item, optional
*/
const NOCHECKBOX = 'nocheckbox';
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/**
* Parse and set extra attributes from xml in template object
*
* Reimplemented to parse our differnt attributes
*
* @param string|XMLReader $xml
* @param boolean $cloned =true true: object does NOT need to be cloned, false: to set attribute, set them in cloned object
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* @return etemplate_widget_template current object or clone, if any attribute was set
*/
public function set_attrs($xml, $cloned=true)
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{
$this->attrs['type'] = $xml->localName;
parent::set_attrs($xml, $cloned);
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// set attrs[multiple] from attrs[options]
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if ($this->attrs['options'] > 1)
{
$this->setElementAttribute($this->id, 'multiple', true);
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}
}
/**
* Send data as json back to tree
*
* Basicly sends a Content-Type and echos json encoded $data and exit.
*
* As text parameter accepts html in tree, we htmlencode it here!
*
* @param array $data
*/
public static function send_quote_json(array $data)
{
// switch regular JSON response handling off
egw_json_request::isJSONRequest(false);
header('Content-Type: application/json; charset=utf-8');
echo json_encode(self::htmlencode_node($data));
common::egw_exit();
}
/**
* HTML encoding of text and tooltip of node including all children
*
* @param array $item
* @return array
*/
public static function htmlencode_node(array $item)
{
$item['text'] = html::htmlspecialchars($item['text']);
if (isset($item['item']) && is_array($item['item']))
{
foreach($item['item'] as &$child)
{
$child = self::htmlencode_node($child);
}
}
return $item;
}
/**
* Check if given $id is one of given tree
*
* @param string $id needle
* @param array $item haystack with values for attributes 'id' and 'item' (children)
* @return boolean true if $id is contained in $item or it's children, false otherwise
*/
public static function in_tree($id, array $item)
{
if ((string)$id === (string)$item['id'])
{
return true;
}
foreach((array)$item['item'] as $child)
{
if (self::in_tree($id, $child)) return true;
}
return false;
}
/**
* Check if given $id is cat_id attribute of one of given array members
*
* @param int $id
* @param array $cats
* @return boolean
*/
public static function in_cats($id, array $cats)
{
return (boolean)array_filter($cats, function($cat) use($id){
return $cat['id'] == $id;
});
}
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/**
* Validate input
*
* @param string $cname current namespace
* @param array $expand values for keys 'c', 'row', 'c_', 'row_', 'cont'
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* @param array $content
* @param array &$validated=array() validated content
*/
public function validate($cname, array $expand, array $content, &$validated=array())
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{
$form_name = self::form_name($cname, $this->id, $expand);
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$ok = true;
if (!$this->is_readonly($cname, $form_name))
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{
$value = $value_in = self::get_array($content, $form_name);
// we can not validate if autoloading is enabled
if (!$this->attrs['autoloading'])
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{
$allowed = $this->attrs['multiple'] ? array() : array('' => $this->attrs['options']);
$allowed += self::selOptions($form_name);
foreach((array) $value as $val)
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{
if ($this->type == 'tree-cat' && !($this->attrs['multiple'] && !$val) && !self::in_cats($val, $allowed) ||
$this->type == 'tree' && !self::in_tree($val, $allowed))
{
self::set_validation_error($form_name,lang("'%1' is NOT allowed%2)!", $val,
$this->type == 'tree-cat' ? " ('".implode("','",array_keys($allowed)).')' : ''), '');
$value = '';
break;
}
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}
}
// return values for cat-tree as string, but not for regular tree as it can have id's with comma!
if (is_array($value) && $this->type == 'tree-cat')
{
$value = implode(',',$value);
}
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if ($ok && $value === '' && $this->attrs['needed'])
{
self::set_validation_error($form_name,lang('Field must not be empty !!!',$value),'');
}
$valid =& self::get_array($validated, $form_name, true);
if (true) $valid = $value;
//error_log(__METHOD__."() $form_name: ".array2string($value_in).' --> '.array2string($value).', allowed='.array2string($allowed));
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}
}
/**
* Fill type options in self::$request->sel_options to be used on the client
*
* @param string $cname
*/
public function beforeSendToClient($cname)
{
$form_name = self::form_name($cname, $this->id);
if (($templated_path = self::templateImagePath($this->attrs['image_path'])) != $this->attrs['image_path'])
{
self::setElementAttribute($form_name, 'image_path', $this->attrs['image_path'] = $templated_path);
//error_log(__METHOD__."() setting templated image-path for $form_name: $templated_path");
}
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if (!is_array(self::$request->sel_options[$form_name])) self::$request->sel_options[$form_name] = array();
if ($this->attrs['type'])
{
// += to keep further options set by app code
self::$request->sel_options[$form_name] += self::typeOptions($this->attrs['type'], $this->attrs['options'],
$no_lang=null, $this->attrs['readonly'], self::get_array(self::$request->content, $form_name));
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// if no_lang was modified, forward modification to the client
if ($no_lang != $this->attr['no_lang'])
{
self::setElementAttribute($form_name, 'no_lang', $no_lang);
}
}
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// Make sure &nbsp;s, etc. are properly encoded when sent, and not double-encoded
foreach(self::$request->sel_options[$form_name] as &$label)
{
if(!is_array($label))
{
$label = html_entity_decode($label, ENT_NOQUOTES,'utf-8');
}
elseif($label['label'])
{
$label['label'] = html_entity_decode($label['label'], ENT_NOQUOTES,'utf-8');
}
}
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}
/**
* Get template specific image path
*
* @param string $image_path =null default path to use, or empty to use default of /phpgwapi/templates/default/images/dhtmlxtree
* @return string templated url if available, otherwise default path
*/
public static function templateImagePath($image_path=null)
{
$webserver_url = $GLOBALS['egw_info']['server']['webserver_url'];
if (empty($image_path))
{
$image_path = $webserver_url.'/phpgwapi/templates/default/images/dhtmlxtree/';
}
// check if we have template-set specific image path
if ($webserver_url && $webserver_url != '/')
{
list(,$image_path) = explode($webserver_url, $image_path, 2);
}
$templated_path = strtr($image_path, array(
'/phpgwapi/templates/default' => $GLOBALS['egw']->framework->template_dir,
'/default/' => '/'.$GLOBALS['egw']->framework->template.'/',
));
if (file_exists(EGW_SERVER_ROOT.$templated_path))
{
return ($webserver_url != '/' ? $webserver_url : '').$templated_path;
//error_log(__METHOD__."() setting templated image-path for $form_name: $templated_path");
}
return ($webserver_url != '/' ? $webserver_url : '').$image_path;
}
/**
* Return image relative to trees image-path
*
* @param string $image url of image, eg. from common::image($image, $app)
* @return string path relative to image-path, to use when returning tree data eg. via json
*/
public static function imagePath($image)
{
static $image_path=null;
if (!isset($image_path)) $image_path = self::templateImagePath ();
$parts = explode('/', $image_path);
$image_parts = explode('/', $image);
// remove common parts
while(isset($parts[0]) && $parts[0] === $image_parts[0])
{
array_shift($parts);
array_shift($image_parts);
}
// add .. for different parts, except last image part
$url = implode('/', array_merge(array_fill(0, count($parts)-1, '..'), $image_parts));
//error_log(__METHOD__."('$image') image_path=$image_path returning $url");
return $url;
}
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/**
* Get options from $sel_options array for a given selectbox name
*
* @param string $name
* @param boolean $no_lang=false value of no_lang attribute
* @return array
*/
public static function selOptions($name)
{
$options = array();
if (isset(self::$request->sel_options[$name]) && is_array(self::$request->sel_options[$name]))
{
$options += self::$request->sel_options[$name];
}
else
{
$name_parts = explode('[',str_replace(']','',$name));
if (count($name_parts))
{
$org_name = $name_parts[count($name_parts)-1];
if (isset(self::$request->sel_options[$org_name]) && is_array(self::$request->sel_options[$org_name]))
{
$options += self::$request->sel_options[$org_name];
}
elseif (isset(self::$request->sel_options[$name_parts[0]]) && is_array(self::$request->sel_options[$name_parts[0]]))
{
$options += self::$request->sel_options[$name_parts[0]];
}
}
}
if (isset(self::$request->content['options-'.$name]))
{
$options += self::$request->content['options-'.$name];
}
//error_log(__METHOD__."('$name') returning ".array2string($options));
return $options;
}
/**
* Fetch options for certain tree types
*
* @param string $widget_type
* @param string $legacy_options options string of widget
* @param boolean $no_lang=false initial value of no_lang attribute (some types set it to true)
* @param boolean $readonly =false
* @param mixed $value =null value for readonly
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* @return array with value => label pairs
*/
public static function typeOptions($widget_type, $legacy_options, &$no_lang=false, $readonly=false, $value=null)
{
list($rows,$type,$type2,$type3) = explode(',',$legacy_options);
$no_lang = false;
$options = array();
switch ($widget_type)
{
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
if ($readonly) // for readonly we dont need to fetch all cat's, nor do we need to indent them by level
{
$cell['no_lang'] = True;
foreach(is_array($value) ? $value : (strpos($value,',') !== false ? explode(',',$value) : array($value)) as $id)
{
if ($id) $cell['sel_options'][$id] = stripslashes($GLOBALS['egw']->categories->id2name($id));
}
break;
}
if (!$type3 || $type3 === $GLOBALS['egw']->categories->app_name)
{
$categories =& $GLOBALS['egw']->categories;
}
else // we need to instanciate a new cat object for the correct application
{
$categories = new categories('',$type3);
}
$cat2path=array();
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foreach((array)$categories->return_sorted_array(0,False,'','','',!$type,0,true) as $cat)
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{
$s = stripslashes($cat['name']);
if ($cat['app_name'] == 'phpgw' || $cat['owner'] == '-1')
{
$s .= ' &#9830;';
}
$cat2path[$cat['id']] = $path = ($cat['parent'] ? $cat2path[$cat['parent']].'/' : '').(string)$cat['id'];
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// 1D array
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$options[] = $cat + array(
'text' => $s,
'path' => $path,
/*
These ones to play nice when a user puts a tree & a selectbox with the same
ID on the form (addressbook edit):
if tree overwrites selectbox options, selectbox will still work
*/
'label' => $s,
'title' => $cat['description']
);
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// Tree in array
//$options[$cat['parent']][] = $cat;
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}
// change cat-ids to pathes and preserv unavailible cats (eg. private user-cats)
if ($value)
{
$pathes = $extension_data['unavailable'] = array();
foreach(is_array($value) ? $value : explode(',',$value) as $cat)
{
if (isset($cat2path[$cat]))
{
$pathes[] = $cat2path[$cat];
}
else
{
$extension_data['unavailable'][] = $cat;
}
}
$value = $rows ? $pathes : $pathes[0];
}
$cell['size'] = $rows.($type2 ? ','.$type2 : '');
$no_lang = True;
break;
}
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//error_log(__METHOD__."('$widget_type', '$legacy_options', no_lang=".array2string($no_lang).', readonly='.array2string($readonly).", value=$value) returning ".array2string($options));
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return $options;
}
}