egroupware/mail/inc/class.mail_tree.inc.php

408 lines
14 KiB
PHP

<?php
/**
* EGroupware - Mail - tree worker class
*
* @link http://www.egroupware.org
* @package mail
* @author Hadi Nategh [hn@stylite.de]
* @copyright (c) 2015 by Stylite AG <info-AT-stylite.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id:$
*/
/**
* Define tree as class tree widget
*/
use \etemplate_widget_tree as tree;
/**
* Mail tree worker class
* -provides backend functionality for folder tree
* -provides classes that may be used by other apps too
*
*/
class mail_tree
{
/**
* delimiter - used to separate profileID from folder-tree-structure
*
* @var string
*/
static $delimiter = '::';
/**
* Icons used for nodes different states
*
* @var array
*/
static $leafImages = array(
'folderNoSelectClosed' => "folderNoSelectClosed.gif",
'folderNoSelectOpen' => "folderNoSelectOpen.gif",
'folderOpen' => "folderOpen.gif",
'folderClosed' => "MailFolderClosed.png",
'folderLeaf' => "MailFolderPlain.png",
'folderHome' => "kfm_home.png",
'folderAccount' => "thunderbird.png",
);
/**
* Mail tree constructor
*
* @param object $mail_ui
*/
function __construct($mail_ui) {
$this->ui = $mail_ui;
}
/**
*
* Structs an array of fake INBOX to show as an error node
* @param string $_profileID icServer profile id
* @param string $_err error message to be shown on tree node
* @param mixed $_path
* @param mixed $_parent
* @return array returns an array of tree node
*/
static function treeLeafNoConnectionArray($_profileID, $_err, $_path, $_parent)
{
$baseNode = array('id' => $_profileID);
$leaf = array(
'id' => $_profileID.self::$delimiter.'INBOX',
'text' => $_err,
'tooltip' => $_err,
'im0' => self::$leafImages["folderNoSelectClosed"],
'im1' => self::$leafImages["folderNoSelectOpen.gif"],
'im2' => self::$leafImages["folderNoSelectClosed"],
'path'=> $_path,
'parent' => $_parent
);
self::setOutStructure($leaf, $baseNode, self::$delimiter);
return ($baseNode?$baseNode:array( // fallback not connected array
'id'=>0,
'item'=> array(
'text'=>'INBOX',
'tooltip'=>'INBOX'.' '.lang('(not connected)'),
'im0'=> self::$leafImages['folderHome']
)
)
);
}
/**
* Get folder data from path
*
* @param string $path a node path
* @return array returns an array of data extracted from given node path
*/
static function pathToFolderData ($_path, $_hDelimiter)
{
list(,$path) = explode(self::$delimiter, $_path);
$path_chain = $parts = explode($_hDelimiter, $path);
$name = array_pop($parts);
return array (
'name' => $name,
'mailbox' => $path,
'parent' => implode($_hDelimiter, $parts),
'text' => $name,
'tooltip' => $name,
'path' => $path_chain
);
}
/**
* Check if a given node has children attribute set
*
* @param array $_node array of a node
* @return int returns 1 if it has children flag set otherwise 0
*/
private static function nodeHasChildren ($_node)
{
$hasChildren = 0;
if (in_array('\haschildren', $_node['ATTRIBUTES']) ||
in_array('\Haschildren', $_node['ATTRIBUTES']) ||
in_array('\HasChildren', $_node['ATTRIBUTES'])) $hasChildren = 1;
return $hasChildren;
}
/**
* getTree provides tree structure regarding to selected node
*
* @param string $_parent = null no parent node means root with the first level of folders
* @param string $_profileID = '' icServer id
* @param int|boolean $_openTopLevel = 1 Open top level folders on load if it's set to 1|true,
* false|0 leaves them in closed state
* @param $_noCheckboxNS = false no checkbox for namesapaces makes sure to not put checkbox for namespaces node
*
* @return array returns an array of mail tree structure according to provided node
*/
function getTree ($_parent = null, $_profileID = '', $_openTopLevel = 1, $_noCheckboxNS = false)
{
//Init mail folders
$tree = array(tree::ID=> $_parent?$_parent:0,tree::CHILDREN => array());
$hDelimiter = $this->ui->mail_bo->getHierarchyDelimiter();
if ($_parent) list($_profileID) = explode(self::$delimiter, $_parent);
if (is_numeric($_profileID) && $_profileID != $this->ui->mail_bo->profileID)
{
try
{
$this->ui->changeProfile($_profileID);
} catch (Exception $ex) {
return self::treeLeafNoConnectionArray($_profileID, $ex->getMessage(),array($_profileID), '');
}
}
if ($_parent) // Single node loader
{
try
{
$nodeInfo = self::pathToFolderData($_parent, $hDelimiter);
$folders = $this->ui->mail_bo->getFolderArrays($nodeInfo['mailbox'],false,2);
} catch (Exception $ex) {
return self::treeLeafNoConnectionArray($_profileID, $ex->getMessage(),array($_profileID), '');
}
$childrenNode = array();
foreach ($folders as &$node)
{
$nodeId = $_profileID.self::$delimiter.$node['MAILBOX'];
$nodeData = self::pathToFolderData($nodeId, $node['delimiter']);
$childrenNode[] = array(
tree::ID=> $nodeId,
tree::AUTOLOAD_CHILDREN => self::nodeHasChildren($node),
tree::CHILDREN =>array(),
tree::LABEL => $nodeData['text'],
tree::TOOLTIP => $nodeData['tooltip'],
tree::IMAGE_LEAF => self::$leafImages['folderLeaf'],
tree::IMAGE_FOLDER_OPEN => self::$leafImages['folderOpen'],
tree::IMAGE_FOLDER_CLOSED => self::$leafImages['folderClose'],
tree::CHECKED => $node['SUBSCRIBED'],
'parent' => $_parent
);
}
$tree[tree::CHILDREN] = $childrenNode;
}
else //Top Level Nodes loader
{
$baseNode = array('id' => 0);
foreach(emailadmin_account::search(true, false) as $acc_id => $accObj)
{
if (!$accObj->is_imap()|| $acc_id != $_profileID) continue;
$identity = emailadmin_account::identity_name($accObj,true,$GLOBALS['egw_info']['user']['acount_id']);
$baseNode = array(
tree::ID=> $acc_id,
tree::LABEL => str_replace(array('<','>'),array('[',']'),$identity),
tree::TOOLTIP => '('.$acc_id.') '.htmlspecialchars_decode($identity),
tree::IMAGE_LEAF => self::$leafImages['folderAccount'],
tree::IMAGE_FOLDER_OPEN => self::$leafImages['folderAccount'],
tree::IMAGE_FOLDER_CLOSED => self::$leafImages['folderAccount'],
'path'=> array($acc_id),
tree::CHILDREN => array(), // dynamic loading on unfold
tree::AUTOLOAD_CHILDREN => true,
'parent' => '',
tree::OPEN => $_openTopLevel,
// mark on account if Sieve is enabled
'data' => array(
'sieve' => $accObj->imapServer()->acc_sieve_enabled,
'spamfolder'=> $accObj->imapServer()->acc_folder_junk?true:false
),
tree::NOCHECKBOX => $_noCheckboxNS
);
self::setOutStructure($baseNode, $tree,self::$delimiter);
}
//List of folders
$foldersList = $this->ui->mail_bo->getFolderArrays(null, true);
// Parent node arrays
$parentNode = $parentNodes = array();
foreach ($foldersList as $index => $topFolder)
{
$nameSpaces = $this->ui->mail_bo->_getNameSpaces();
$noCheckbox = false;
foreach ($nameSpaces as &$ns)
{
if($_noCheckboxNS && $ns['prefix'] === $index.$hDelimiter) $noCheckbox = true;
}
$parentNode = array(
tree::ID=>$_profileID.self::$delimiter.$topFolder[$index]['MAILBOX'],
tree::AUTOLOAD_CHILDREN => self::nodeHasChildren($topFolder[$index]),
tree::CHILDREN =>array(),
tree::LABEL =>lang($topFolder[$index]['MAILBOX']),
tree::OPEN => $_openTopLevel,
tree::TOOLTIP => lang($topFolder[$index]['MAILBOX']),
tree::CHECKED => $topFolder[$index]['SUBSCRIBED'],
tree::NOCHECKBOX => $noCheckbox
);
if ($index === "INBOX")
{
$parentNode[tree::IMAGE_LEAF] = self::$leafImages['folderHome'];
$parentNode[tree::IMAGE_FOLDER_OPEN] = self::$leafImages['folderHome'];
$parentNode[tree::IMAGE_FOLDER_CLOSED] = self::$leafImages['folderHome'];
}
if(stripos(array2string($topFolder[$index]['ATTRIBUTES']),'\noselect')!== false)
{
$parentNode[tree::IMAGE_LEAF] = self::$leafImages['folderNoSelectClosed'];
$parentNode[tree::IMAGE_FOLDER_OPEN] = self::$leafImages['folderNoSelectOpen'];
$parentNode[tree::IMAGE_FOLDER_CLOSED] = self::$leafImages['folderNoSelectClosed'];
}
// Save parentNodes
$parentNodes []= $index;
// Remove the parent nodes from the list
unset ($topFolder[$index]);
//$parentNode[tree::CHILDREN][] =$childrenNode;
$baseNode[tree::CHILDREN][] = $parentNode;
}
foreach ($parentNodes as $pIndex => $parent)
{
$childrenNodes = $childNode = array();
$definedFolders = array(
'Trash' => $this->ui->mail_bo->getTrashFolder(false),
'Templates' => $this->ui->mail_bo->getTemplateFolder(false),
'Drafts' => $this->ui->mail_bo->getDraftFolder(false),
'Sent' => $this->ui->mail_bo->getSentFolder(false),
'Junk' => $this->ui->mail_bo->getJunkFolder(false),
'Outbox' => $this->ui->mail_bo->getOutboxFolder(false),
);
// Iterate over childern of each top folder(namespaces)
foreach ($foldersList[$parent] as &$node)
{
// Skipe the parent node itself
if (is_array($foldersList[$parent][$parent]) &&
$foldersList[$parent][$parent]['MAILBOX'] === $node['MAILBOX']) continue;
$pathArr = explode($node['delimiter'], $node['MAILBOX']);
$folderName = array_pop($pathArr);
$parentPath = $_profileID.self::$delimiter.implode($pathArr,$node['delimiter']);
$nodeId = $_profileID.self::$delimiter.$node['MAILBOX'];
$childNode = array(
tree::ID => $nodeId,
tree::AUTOLOAD_CHILDREN => self::nodeHasChildren($node),
tree::CHILDREN => array(),
tree::LABEL => lang($folderName),
'parent' => $parentPath,
tree::CHECKED => $node['SUBSCRIBED']
);
if (array_search($node['MAILBOX'], $definedFolders) !== false)
{
//User defined folders icons
$childNode[tree::IMAGE_LEAF] =
$childNode[tree::IMAGE_FOLDER_OPEN] =
$childNode [tree::IMAGE_FOLDER_CLOSED] = "MailFolder".$folderName.".png";
}
elseif(stripos(array2string($node['ATTRIBUTES']),'\noselect')!== false)
{
$childNode[tree::IMAGE_LEAF] = self::$leafImages['folderNoSelectClosed'];
$childNode[tree::IMAGE_FOLDER_OPEN] = self::$leafImages['folderNoSelectOpen'];
$childNode[tree::IMAGE_FOLDER_CLOSED] = self::$leafImages['folderNoSelectClosed'];
}
else
{
$childNode[tree::IMAGE_LEAF] = self::$leafImages['folderLeaf'];
$childNode[tree::IMAGE_FOLDER_OPEN] = self::$leafImages['folderOpen'];
$childNode[tree::IMAGE_FOLDER_CLOSED] = self::$leafImages['folderClose'];
}
$childrenNodes[] = $childNode;
}
$baseNode[tree::CHILDREN][$pIndex][tree::CHILDREN] = $childrenNodes;
}
$tree[tree::CHILDREN][0] = $baseNode;
}
return $tree;
}
/**
* setOutStructure - helper function to transform the folderObjectList to dhtmlXTreeObject requirements
*
* @param array $data data to be processed
* @param array &$out, out array
* @param string $del needed as glue for parent/child operation / comparsion
* @param boolean $createMissingParents a missing parent, instead of throwing an exception
* @param array $nameSpace used to check on creation of nodes in namespaces other than personal
* as clearance for access may be limited to a single branch-node of a tree
* @return void
*/
static function setOutStructure($data, &$out, $del='.', $createMissingParents=true, $nameSpace=array())
{
//error_log(__METHOD__."(".array2string($data).', '.array2string($out).", '$del')");
$components = $data['path'];
array_pop($components); // remove own name
$insert = &$out;
$parents = array();
foreach($components as $component)
{
if (count($parents)>1)
{
$helper = array_slice($parents,1,null,true);
$parent = $parents[0].self::$delimiter.implode($del, $helper);
if ($parent) $parent .= $del;
}
else
{
$parent = implode(self::$delimiter, $parents);
if ($parent) $parent .= self::$delimiter;
}
if (!is_array($insert) || !isset($insert['item']))
{
// throwing an exeption here seems to be unrecoverable,
// even if the cause is a something that can be handeled by the mailserver
if (mail_bo::$debug) error_log(__METHOD__.':'.__LINE__." id=$data[id]: Parent '$parent' of '$component' not found!");
// should we hit the break? if in personal: sure, something is wrong with the folderstructure
// if in shared or others we may proceed as access to folders may very well be limited to
// a single folder within the tree
$break = true;
foreach ($nameSpace as $nsp)
{
// if (appropriately padded) namespace prefix of (others or shared) is the leading part of parent
// we want to create the node in question as we meet the above considerations
if ($nsp['type']!='personal' && $nsp['prefix_present'] && stripos($parent,$data['path'][0].self::$delimiter.$nsp['prefix'])===0)
{
if (mail_bo::$debug) error_log(__METHOD__.__LINE__.' about to create:'.$parent.' in '.$data['path'][0].self::$delimiter.$nsp['prefix']);
$break=false;
}
}
if ($break) break;
}
if ($insert['item'])
{
foreach($insert['item'] as &$item)
{
if ($item['id'] == $parent.$component)
{
$insert =& $item;
break;
}
}
}
if ($item['id'] != $parent.$component)
{
if ($createMissingParents)
{
unset($item);
$item = array('id' => $parent.$component, 'text' => $component, 'im0' => "folderNoSelectClosed.gif",'im1' => "folderNoSelectOpen.gif",'im2' => "folderNoSelectClosed.gif",'tooltip' => lang('no access'));
$insert['item'][] =& $item;
$insert =& $item;
}
else
{
throw new egw_exception_assertion_failed(__METHOD__.':'.__LINE__.": id=$data[id]: Parent '$parent' '$component' not found!");
}
}
$parents[] = $component;
}
unset($data['path']);
$insert['item'][] = $data;
//error_log(__METHOD__."() leaving with out=".array2string($out));
}
}