forked from pollen8/fabrik
/
element.php
7699 lines (6605 loc) · 190 KB
/
element.php
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<?php
/**
* Fabrik Element Model
*
* @package Joomla
* @subpackage Fabrik
* @copyright Copyright (C) 2005-2013 fabrikar.com - All rights reserved.
* @license GNU/GPL http://www.gnu.org/copyleft/gpl.html
*/
// No direct access
defined('_JEXEC') or die('Restricted access');
jimport('joomla.application.component.model');
jimport('joomla.filesystem.file');
/**
* Fabrik Element Model
*
* @package Fabrik
* @since 3.0
*/
class PlgFabrik_Element extends FabrikPlugin
{
/**
* Element id
*
* @var int
*/
protected $id = null;
/**
* Javascript actions to attach to element
*
* @var array
*/
protected $jsActions = null;
/**
* Editable
*
* @var bool
*/
public $editable = null;
/**
* Is an upload element
*
* @var bool
*/
protected $is_upload = false;
/**
* Does the element's data get recorded in the db
*
* @var bool
*/
protected $recordInDatabase = true;
/**
* Contain access rights
*
* @var object
*/
protected $access = null;
/**
* Validation error
*
* @var string
*/
protected $validationError = null;
/**
* Stores possible element names to avoid repeat db queries
*
* @var array
*/
public $fullNames = array();
/**
* Group model
*
* @var object
*/
protected $group = null;
/**
* Form model
*
* @var object
*/
protected $form = null;
/**
* List model
*
* @var object
*/
protected $list = null;
/**
* Element object
*
* @var JTable
*/
public $element = null;
/**
* If the element 'Include in search all' option is set to 'default' then this states if the
* element should be ignored from search all.
*
* @var bool True, ignore in extended search all.
*/
protected $ignoreSearchAllDefault = false;
/**
* Does the element have a label
*
* @var bool
*/
protected $hasLabel = true;
/**
* Does the element contain sub elements e.g checkboxes radiobuttons
*
* @var bool
*/
public $hasSubElements = false;
/**
* Valid image extensions
*
* @var array
*/
protected $imageExtensions = array('jpg', 'jpeg', 'gif', 'bmp', 'png');
/**
* Is the element in a detailed view?
*
* @var bool
*/
public $inDetailedView = false;
/**
* Default values
*
* @var array
*/
public $defaults = array();
/**
* The element's HTML ids based on $repeatCounter
*
* @var array
*/
public $HTMLids = null;
/**
* Is the element in a repeat group
*
* @var bool
*/
public $inRepeatGroup = null;
/**
* Default value
*
* @var string
*/
protected $default = null;
/**
* Join model
*
* @var object
*/
protected $joinModel = null;
/**
* Has the icon been set
*
* @var bool
*/
protected $iconsSet = false;
/**
* Parent element row - if no parent returns element
*
* @var object
*/
protected $parent = null;
/**
* Actual table name (table or joined tables db table name)
*
* @var string
*/
protected $actualTable = null;
/**
* Ensures the query values are only escaped once
*
* @var bool
*/
protected $escapedQueryValue = false;
/**
* Db table field type
*
* @var string
*/
protected $fieldDesc = 'VARCHAR(%s)';
/**
* Db table field size
*
* @var string
*/
protected $fieldSize = '255';
/**
* Element error msg
*
* @var string
*/
protected $elementError = '';
/**
* Multi-db join option - can we add duplicate options (set to false in tags element)
* @var bool
*/
protected $allowDuplicates = true;
/**
* Wraps 'foo' AS 'bar' as statements with SUM('foo') = 'bar'
* Used in nv3d viz to alter query statements
* @var string
*/
public $calcSelectModifier = null;
/**
* Constructor
*
* @param object &$subject The object to observe
* @param array $config An array that holds the plugin configuration
*
* @since 1.5
*/
public function __construct(&$subject, $config = array())
{
parent::__construct($subject, $config);
$this->validator = JModelLegacy::getInstance('ElementValidator', 'FabrikFEModel');
$this->validator->setElementModel($this);
$this->access = new stdClass;
}
/**
* Method to set the element id
*
* @param int $id element ID number
*
* @return void
*/
public function setId($id)
{
// Set new element ID
$this->id = $id;
}
/**
* Get the element id
*
* @return int element id
*/
public function getId()
{
return $this->id;
}
/**
* Get the element table object
*
* @param bool $force default false - force load the element
*
* @return object element table
*/
public function &getElement($force = false)
{
if (!$this->element || $force)
{
JTable::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_fabrik/tables');
$row = FabTable::getInstance('Element', 'FabrikTable');
$row->load($this->id);
$this->element = $row;
// 3.1 reset the params at the same time. Seems to be required for ajax autocomplete
if ($force)
{
unset($this->params);
$p = $this->getParams();
}
}
return $this->element;
}
/**
* Get parent element
*
* @return object element table
*/
public function getParent()
{
if (!isset($this->parent))
{
$element = $this->getElement();
if ((int) $element->parent_id !== 0)
{
$this->parent = FabTable::getInstance('element', 'FabrikTable');
$this->parent->load($element->parent_id);
}
else
{
$this->parent = $element;
}
}
return $this->parent;
}
/**
* Bind data to the _element variable - if possible we should run one query to get all the forms
* element data and then iterate over that, creating an element plugin for each row
* and bind each record to that plugins _element. This is instead of using getElement() which
* reloads in the element increasing the number of queries run
*
* @param mixed &$row (object or assoc array)
*
* @return object element table
*/
public function bindToElement(&$row)
{
if (!$this->element)
{
JTable::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_fabrik/tables');
$this->element = FabTable::getInstance('Element', 'FabrikTable');
}
if (is_object($row))
{
$row = JArrayHelper::fromObject($row);
}
$this->element->bind($row);
return $this->element;
}
/**
* Set the context in which the element occurs
*
* @param object &$groupModel group model
* @param object &$formModel form model
* @param object &$listModel list model
*
* @return void
*/
public function setContext(&$groupModel, &$formModel, &$listModel)
{
// Don't assign these with &= as they already are when passed into the func
$this->group = $groupModel;
$this->form = $formModel;
$this->list = $listModel;
}
/**
* Get the element's fabrik list model
*
* @return FabrikFEModelList list model
*/
public function getListModel()
{
if (is_null($this->list))
{
$groupModel = $this->getGroup();
$this->list = $groupModel->getListModel();
}
return $this->list;
}
/**
* load in the group model
*
* @param int $groupId group id
*
* @return object group model
*/
public function &getGroup($groupId = null)
{
if (is_null($groupId))
{
$element = $this->getElement();
$groupId = $element->group_id;
}
if (is_null($this->group) || $this->group->getId() != $groupId)
{
$model = JModelLegacy::getInstance('Group', 'FabrikFEModel');
$model->setId($groupId);
$model->getGroup();
$this->group = $model;
}
return $this->group;
}
/**
* Get the elements group model
*
* @param int $group_id If not set uses elements default group id
*
* @return object group model
*/
public function getGroupModel($group_id = null)
{
return $this->getGroup($group_id);
}
/**
* Set the group model
*
* @param object $group group model
*
* @since 3.0.6
*
* @return null
*/
public function setGroupModel($group)
{
$this->_group = $group;
}
/**
* get the elements form model
*
* @deprecated use getFormModel
*
* @return object form model
*/
public function getForm()
{
return $this->getFormModel();
}
/**
* get the element's form model
*
* @return object form model
*/
public function getFormModel()
{
if (is_null($this->form))
{
$listModel = $this->getListModel();
$table = $listModel->getTable();
$this->form = JModelLegacy::getInstance('form', 'FabrikFEModel');
$this->form->setId($table->form_id);
$this->form->getForm();
}
return $this->form;
}
/**
* Set form model
*
* @param object $model form model
*
* @return void
*/
public function setFormModel($model)
{
$this->form = $model;
}
/**
* Shows the RAW list data - can be overwritten in plugin class
*
* @param string $data element data
* @param object $thisRow all the data in the tables current row
*
* @return string formatted value
*/
public function renderRawListData($data, $thisRow)
{
return $data;
}
/**
* replace labels shown in table view with icons (if found)
*
* @param string $data data
* @param string $view list/details
* @param string $tmpl template
*
* @since 3.0 - icon_folder is a bool - search through template folders for icons
*
* @deprecated use replaceWithIcons()
* @return string data
*/
protected function _replaceWithIcons($data, $view = 'list', $tmpl = null)
{
return $this->replaceWithIcons($data, $view, $tmpl);
}
/**
* Replace labels shown in list view with icons (if found)
*
* @param string $data Data
* @param string $view List/details
* @param string $tmpl Template
*
* @since 3.0 - icon_folder is a bool - search through template folders for icons
*
* @return string data
*/
protected function replaceWithIcons($data, $view = 'list', $tmpl = null)
{
if ($data == '')
{
$this->iconsSet = false;
return $data;
}
$params = $this->getParams();
$listModel = $this->getListModel();
$iconFile = (string) $params->get('icon_file', '');
if ((int) $params->get('icon_folder', 0) === 0 && $iconFile === '')
{
$this->iconsSet = false;
return $data;
}
if (in_array($listModel->getOutPutFormat(), array('csv', 'rss')))
{
$this->iconsSet = false;
return $data;
}
$cleanData = empty($iconFile) ? FabrikString::clean(strip_tags($data)) : $iconFile;
$cleanDatas = array($this->getElement()->name . '_' . $cleanData, $cleanData);
$opts = array('forceImage' => true);
//If subdir is set prepend file name with subdirectory (so first search through [template folders]/subdir for icons, e.g. images/subdir)
$iconsubdir = $params->get('icon_subdir', '');
if ($iconsubdir != '')
{
$iconsubdir = rtrim($iconsubdir,'/') . '/';
$iconsubdir = ltrim($iconsubdir,'/');
array_unshift($cleanDatas, $iconsubdir.$cleanData); //search subdir first
}
foreach ($cleanDatas as $cleanData)
{
foreach ($this->imageExtensions as $ex)
{
$f = JPath::clean($cleanData . '.' . $ex);
$img = FabrikHelperHTML::image($cleanData . '.' . $ex, $view, $tmpl, array(), false, $opts);
if ($img !== '')
{
$this->iconsSet = true;
$opts = new stdClass;
$opts->position = 'top';
$opts = json_encode($opts);
$data = '<span>' . $data . '</span>';
// See if data has an <a> tag
if (class_exists('DOMDocument'))
{
$html = new DOMDocument;
/**
* The loadXML() chokes if data has & in it. But we can't htmlspecialchar() it, as that removes
* the HTML markup we're looking for. So we need to ONLY change &'s which aren't already part of
* any HTML entities which may be in the data. So use a negative lookahead regex, which finds & followed
* by anything except non-space the ;. Then after doing the loadXML, we have to turn the &s back in
* to &, to avoid double encoding 'cos we're going to do an htmpsepecialchars() on $data in a few lines.
*/
$data = preg_replace('/&(?!\S+;)/', '&', $data);
$html->loadXML($data);
$data = str_replace('&', '&', $data);
$as = $html->getElementsBytagName('a');
}
if ($params->get('icon_hovertext', true))
{
$ahref = '#';
$target = '';
if (class_exists('DOMDocument') && $as->length)
{
// Data already has an <a href="foo"> lets get that for use in hover text
$a = $as->item(0);
$ahref = $a->getAttribute('href');
$target = $a->getAttribute('target');
$target = 'target="' . $target . '"';
}
$data = htmlspecialchars($data, ENT_QUOTES);
$img = '<a class="fabrikTip" ' . $target . ' href="' . $ahref . '" opts=\'' . $opts . '\' title="' . $data . '">' . $img . '</a>';
}
elseif (!empty($iconFile))
{
/**
* $$$ hugh - kind of a hack, but ... if this is an upload element, it may already be a link, and
* we'll need to replace the text in the link with the image
* After ages dicking around with a regex to do this, decided to use DOMDocument instead!
*/
if (class_exists('DOMDocument') && $as->length)
{
$img = $html->createElement('img');
$src = FabrikHelperHTML::image($cleanData . '.' . $ex, $view, $tmpl, array(), true, array('forceImage' => true));
$img->setAttribute('src', $src);
$as->item(0)->nodeValue = '';
$as->item(0)->appendChild($img);
return $html->saveHTML();
}
}
return $img;
}
}
}
return $data;
}
/**
* Build the sub query which is used when merging in in repeat element
* records from their joined table into the one field.
* Overwritten in database join element to allow for building the join
* to the table containing the stored values required labels
*
* @param string $jkey key
* @param bool $addAs add 'AS' to select sub query
*
* @return string sub query
*/
public function buildQueryElementConcat($jkey, $addAs = true)
{
$jointable = $this->getJoinModel()->getJoin()->table_join;
$dbtable = $this->actualTableName();
$db = JFactory::getDbo();
$table = $this->getListModel()->getTable();
// Jaanus: joined group pk? set in groupConcactJoinKey()
// $pkfeld = $table->db_primary_key;
$pkfield = $this->groupConcactJoinKey();
$fullElName = $db->quoteName($dbtable . '___' . $this->element->name);
$sql = '(SELECT GROUP_CONCAT(' . $jkey . ' SEPARATOR \'' . GROUPSPLITTER . '\') FROM ' . $jointable . ' WHERE parent_id = '
. $pkfield . ')';
if ($addAs)
{
$sql .= ' AS ' . $fullElName;
}
return $sql;
}
/**
* Build the sub query which is used when merging in
* repeat element records from their joined table into the one field.
* Overwritten in database join element to allow for building
* the join to the table containing the stored values required ids
*
* @since 2.1.1
*
* @return string sub query
*/
protected function buildQueryElementConcatId()
{
$jointable = $this->getJoinModel()->getJoin()->table_join;
$dbtable = $this->actualTableName();
$db = JFactory::getDbo();
$table = $this->getListModel()->getTable();
$fullElName = $db->quoteName($dbtable . '___' . $this->element->name . '_raw');
$pkField = $this->groupConcactJoinKey();
return '(SELECT GROUP_CONCAT(id SEPARATOR \'' . GROUPSPLITTER . '\') FROM ' . $jointable . ' WHERE parent_id = ' . $pkField
. ') AS ' . $fullElName;
// Jaanus: joined group pk set in groupConcactJoinKey()
}
/**
* Used in form model setJoinData.
*
* @since 2.1.1
*
* @return array Element names to search data in to create join data array
*/
public function getJoinDataNames()
{
$group = $this->getGroupModel()->getGroup();
$name = $this->getFullName(true, false);
$rawname = $name . '_raw';
return array($name, $rawname);
}
/**
* Create the SQL select 'name AS alias' segment for list/form queries
*
* @param array &$aFields array of element names
* @param array &$aAsFields array of 'name AS alias' fields
* @param array $opts options : alias - replace the fullelement name in asfields "name AS tablename___elementname"
*
* @return void
*/
public function getAsField_html(&$aFields, &$aAsFields, $opts = array())
{
$dbtable = $this->actualTableName();
$db = FabrikWorker::getDbo();
$table = $this->getListModel()->getTable();
$fullElName = FArrayHelper::getValue($opts, 'alias', $db->quoteName($dbtable . '___' . $this->element->name));
$fName = $dbtable . '.' . $this->element->name;
$k = $db->quoteName($fName);
$secret = JFactory::getConfig()->get('secret');
if ($this->encryptMe())
{
$k = 'AES_DECRYPT(' . $k . ', ' . $db->quote($secret) . ')';
}
if ($this->isJoin())
{
$jkey = $this->element->name;
if ($this->encryptMe())
{
$jkey = 'AES_DECRYPT(' . $jkey . ', ' . $db->quote($secret) . ')';
}
$jointable = $this->getJoinModel()->getJoin()->table_join;
$fullElName = FArrayHelper::getValue($opts, 'alias', $k);
$str = $this->buildQueryElementConcat($jkey);
}
else
{
if ($this->calcSelectModifier)
{
$k = $this->calcSelectModifier . '(' . $k . ')';
}
$str = $k . ' AS ' . $fullElName;
}
if ($table->db_primary_key == $fullElName)
{
array_unshift($aFields, $fullElName);
array_unshift($aAsFields, $fullElName);
}
else
{
if (!in_array($str, $aFields))
{
$aFields[] = $str;
$aAsFields[] = $fullElName;
}
$k = $db->quoteName($dbtable . '.' . $this->element->name);
if ($this->encryptMe())
{
$k = 'AES_DECRYPT(' . $k . ', ' . $db->quote($secret) . ')';
}
if ($this->isJoin())
{
$pkField = $this->groupConcactJoinKey();
$str = $this->buildQueryElementConcatId();
$aFields[] = $str;
$aAsFields[] = $fullElName;
$as = $db->quoteName($dbtable . '___' . $this->element->name . '___params');
$str = '(SELECT GROUP_CONCAT(params SEPARATOR \'' . GROUPSPLITTER . '\') FROM ' . $jointable . ' WHERE parent_id = '
. $pkField . ') AS ' . $as;
// Jaanus: joined group pk set in groupConcactJoinKey()
$aFields[] = $str;
$aAsFields[] = $as;
}
else
{
$fullElName = $db->quoteName($dbtable . '___' . $this->element->name . '_raw');
if ($this->calcSelectModifier)
{
$k = $this->calcSelectModifier . '(' . $k . ')';
}
$str = $k . ' AS ' . $fullElName;
}
if (!in_array($str, $aFields))
{
$aFields[] = $str;
$aAsFields[] = $fullElName;
}
}
}
/**
* OMG! If repeat element inside a repeat group then the group_concat subquery needs to change the key
* it selected on - so it could either be the table pk or the joined groups pk.... :D
*
* @since 3.1rc1
*
* @return string
*/
protected function groupConcactJoinKey()
{
$table = $this->getListModel()->getTable();
if ($this->getGroupModel()->isJoin() && $this->isJoin())
{
$groupJoin = $this->getGroupModel()->getJoinModel()->getJoin();
$pkField = $groupJoin->params->get('pk');
}
else
{
$pkField = $table->db_primary_key;
}
return $pkField;
}
/**
* Get raw column name
*
* @param bool $useStep Use step in name
*
* @return string
*/
public function getRawColumn($useStep = true)
{
$n = $this->getFullName($useStep, false);
$n .= '_raw`';
return $n;
}
/**
* Is the element editable - wrapper for _editable property as 3.1 uses editable
*
* @since 3.0.7
*
* @return bool
*/
public function isEditable()
{
return $this->editable;
}
/**
* Set the element edit state - wrapper for _editable property as 3.1 uses editable
*
* @param bool $editable Is the element editable
*
* @since 3.0.7
*
* @return void
*/
public function setEditable($editable)
{
$this->editable = $editable;
}
/**
* Check user can view the read only element OR view in list view
*
* @param string $view View list/form @since 3.0.7
*
* @return bool can view or not
*/
public function canView($view = 'form')
{
$default = 1;
$key = $view == 'form' ? 'view' : 'listview';
$prop = $view == 'form' ? 'view_access' : 'list_view_access';
$params = $this->getParams();
$user = JFactory::getUser();
if (!is_object($this->access) || !array_key_exists($key, $this->access))
{
$groups = $user->getAuthorisedViewLevels();
$this->access->$key = in_array($params->get($prop, $default), $groups);
}
// Override with check on lookup element's value = logged in user id.
if ($params->get('view_access_user', '') !== '' && $view == 'form')
{
$formModel = $this->getFormModel();
$data = $formModel->getData();
if (!empty($data) && $user->get('id') !== 0)
{
$lookUp = $params->get('view_access_user', '');
$lookUp = $formModel->getElement($lookUp, true);
// Could be a linked parent element in which case the form doesn't contain the element whose id is $lookUpId
if (!$lookUp)
{
$lookUp = FabrikWorker::getPluginManager()->getElementPlugin($lookUpId);
}
if ($lookUp)
{
$fullName = $lookUp->getFullName(false, true, false);
$value = $formModel->getElementData($fullName, true);
$this->access->$key = ($user->get('id') == $value) ? true : false;
}
else
{
FabrikWorker::logError('Did not load element ' . $lookUpId . ' for element::canView()', 'error');
}
}
}
return $this->access->$key;
}
/**
* Check if the user can use the active element
* If location is 'list' then we don't check the group canEdit() option - causes inline edit plugin not to work
* when followed by a update_col plugin.
*
* @param string $location To trigger plugin on form/list for elements
* @param string $event To trigger plugin on
*
* @return bool can use or not
*/
public function canUse($location = null, $event = null)
{
// Odd! even though defined in initialize() for confirmation plugin access was not set.
if (!isset($this->access))
{
$this->access = new stdClass;
}
if (!is_object($this->access) || !array_key_exists('use', $this->access))
{
/**
* $$$ hugh - testing new "Option 5" for group show, "Always show read only"
* So if element's group show is type 5, then element is de-facto read only.
*/
if ($location !== 'list' && !$this->getGroupModel()->canEdit())
{
$this->access->use = false;
}
else
{
$viewLevel = $this->getElement()->access;
if (!$this->getFormModel()->isNewRecord())