1599 lines
47 KiB
PHP
1599 lines
47 KiB
PHP
<?php
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/**
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* @file
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*
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* Contains code related to the ctools system of 'context'.
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*
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* Context, originally from Panels, is a method of packaging objects into
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* a more generic bundle and providing a plugin system so that a UI can
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* take advantage of them. The idea is that the context objects
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* represent 'the context' that a given operation (usually a page view)
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* is operating in or on.
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*
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* For example, when viewing a page, the 'context' is a node object. When
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* viewing a user, the 'context' is a user object. Contexts can also
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* have related contexts. For example, when viewing a 'node' you may need
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* to know something about the node author. Therefore, the node author
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* is a related context.
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*/
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/**
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* The context object is largely a wrapper around some other object, with
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* an interface to finding out what is contained and getting to both
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* the object and information about the object.
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*
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* Each context object has its own information, but some things are very
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* common, such as titles, data, keywords, etc. In particulare, the 'type'
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* of the context is important.
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*/
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class ctools_context {
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var $type = NULL;
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var $data = NULL;
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// The title of this object.
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var $title = '';
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// The title of the page if this object exists
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var $page_title = '';
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// The identifier (in the UI) of this object
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var $identifier = '';
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var $argument = NULL;
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var $keyword = '';
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var $original_argument = NULL;
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var $restrictions = array();
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var $empty = FALSE;
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function __construct($type = 'none', $data = NULL) {
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$this->type = $type;
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$this->data = $data;
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$this->title = t('Unknown context');
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}
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function is_type($type) {
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if ($type == 'any' || $this->type == 'any') {
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return TRUE;
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}
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$a = is_array($type) ? $type : array($type);
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$b = is_array($this->type) ? $this->type : array($this->type);
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return (bool) array_intersect($a, $b);
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}
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function get_argument() {
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return $this->argument;
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}
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function get_original_argument() {
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if (!is_null($this->original_argument)) {
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return $this->original_argument;
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}
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return $this->argument;
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}
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function get_keyword() {
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return $this->keyword;
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}
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function get_identifier() {
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return $this->identifier;
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}
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function get_title() {
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return $this->title;
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}
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function get_page_title() {
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return $this->page_title;
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}
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}
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/**
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* Used to create a method of comparing if a list of contexts
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* match a required context type.
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*/
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class ctools_context_required {
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var $keywords = '';
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/**
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* If set, the title will be used in the selector to identify
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* the context. This is very useful when multiple contexts
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* are required to inform the user will be used for what.
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*/
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var $title = NULL;
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/**
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* Test to see if this context is required.
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*/
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var $required = TRUE;
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/**
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* If TRUE, skip the check in ctools_context_required::select()
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* for contexts whose names may have changed.
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*/
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var $skip_name_check = FALSE;
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/**
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*
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* @param $title
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* The first parameter should be the 'title' of the context for use
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* in UYI selectors when multiple contexts qualify.
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* @param ...
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* One or more keywords to use for matching which contexts are allowed.
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*/
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function __construct($title) {
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$args = func_get_args();
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$this->title = array_shift($args);
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// If we have a boolean value at the end for $skip_name_check, store it
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if (is_bool(end($args))) {
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$this->skip_name_check = array_pop($args);
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}
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// If we were given restrictions at the end, store them.
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if (count($args) > 1 && is_array(end($args))) {
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$this->restrictions = array_pop($args);
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}
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if (count($args) == 1) {
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$args = array_shift($args);
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}
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$this->keywords = $args;
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}
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function filter($contexts) {
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$result = array();
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// See which of these contexts are valid
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foreach ((array) $contexts as $cid => $context) {
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if ($context->is_type($this->keywords)) {
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// Compare to see if our contexts were met.
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if (!empty($this->restrictions) && !empty($context->restrictions)) {
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foreach ($this->restrictions as $key => $values) {
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// If we have a restriction, the context must either not have that
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// restriction listed, which means we simply don't know what it is,
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// or there must be an intersection of the restricted values on
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// both sides.
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if (!is_array($values)) {
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$values = array($values);
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}
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if (!empty($context->restrictions[$key]) && !array_intersect($values, $context->restrictions[$key])) {
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continue 2;
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}
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}
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}
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$result[$cid] = $context;
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}
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}
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return $result;
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}
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function select($contexts, $context) {
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if (!is_array($contexts)) {
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if (is_object($contexts) && $contexts instanceof ctools_context) {
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$contexts = array($contexts->id => $contexts);
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}
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else {
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$contexts = array($contexts);
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}
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}
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// If we had requested a $context but that $context doesn't exist
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// in our context list, there is a good chance that what happened
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// is our context IDs changed. See if there's another context
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// that satisfies our requirements.
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if (!$this->skip_name_check && !empty($context) && !isset($contexts[$context])) {
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$choices = $this->filter($contexts);
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// If we got a hit, take the first one that matches.
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if ($choices) {
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$keys = array_keys($choices);
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$context = reset($keys);
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}
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}
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if (empty($context) || empty($contexts[$context])) {
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return FALSE;
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}
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return $contexts[$context];
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}
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}
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/**
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* Used to compare to see if a list of contexts match an optional context. This
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* can produce empty contexts to use as placeholders.
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*/
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class ctools_context_optional extends ctools_context_required {
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var $required = FALSE;
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/**
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* Add the 'empty' context which is possible for optional
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*/
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function add_empty(&$contexts) {
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$context = new ctools_context('any');
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$context->title = t('No context');
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$context->identifier = t('No context');
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$contexts['empty'] = $context;
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}
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function filter($contexts) {
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$this->add_empty($contexts);
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return parent::filter($contexts);
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}
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function select($contexts, $context) {
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$this->add_empty($contexts);
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if (empty($context)) {
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return $contexts['empty'];
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}
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$result = parent::select($contexts, $context);
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// Don't flip out if it can't find the context; this is optional, put
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// in an empty.
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if ($result == FALSE) {
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$result = $contexts['empty'];
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}
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return $result;
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}
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}
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/**
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* Return a keyed array of context that match the given 'required context'
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* filters.
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*
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* Functions or systems that require contexts of a particular type provide a
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* ctools_context_required or ctools_context_optional object. This function
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* examines that object and an array of contexts to determine which contexts
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* match the filter.
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*
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* Since multiple contexts can be required, this function will accept either
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* an array of all required contexts, or just a single required context object.
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*
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* @param $contexts
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* A keyed array of all available contexts.
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* @param $required
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* A ctools_context_required or ctools_context_optional object, or an array
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* of such objects.
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*
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* @return
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* A keyed array of contexts that match the filter.
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*/
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function ctools_context_filter($contexts, $required) {
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if (is_array($required)) {
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$result = array();
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foreach ($required as $r) {
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$result = array_merge($result, _ctools_context_filter($contexts, $r));
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}
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return $result;
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}
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return _ctools_context_filter($contexts, $required);
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}
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function _ctools_context_filter($contexts, $required) {
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$result = array();
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if (is_object($required)) {
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$result = $required->filter($contexts);
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}
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return $result;
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}
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/**
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* Create a select box to choose possible contexts.
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*
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* This only creates a selector if there is actually a choice; if there
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* is only one possible context, that one is silently assigned.
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*
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* If an array of required contexts is provided, one selector will be
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* provided for each context.
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*
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* @param $contexts
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* A keyed array of all available contexts.
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* @param $required
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* The required context object or array of objects.
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*
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* @return
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* A form element, or NULL if there are no contexts that satisfy the
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* requirements.
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*/
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function ctools_context_selector($contexts, $required, $default) {
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if (is_array($required)) {
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$result = array('#tree' => TRUE);
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$count = 1;
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foreach ($required as $id => $r) {
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$result[] = _ctools_context_selector($contexts, $r, isset($default[$id]) ? $default[$id] : '', $count++);
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}
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return $result;
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}
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return _ctools_context_selector($contexts, $required, $default);
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}
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function _ctools_context_selector($contexts, $required, $default, $num = 0) {
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$filtered = ctools_context_filter($contexts, $required);
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$count = count($filtered);
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$form = array();
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if ($count >= 1) {
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// If there's more than one to choose from, create a select widget.
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foreach ($filtered as $cid => $context) {
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$options[$cid] = $context->get_identifier();
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}
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if (!empty($required->title)) {
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$title = $required->title;
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}
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else {
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$title = $num ? t('Context %count', array('%count' => $num)) : t('Context');
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}
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$form = array(
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'#type' => 'select',
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'#options' => $options,
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'#title' => $title,
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'#default_value' => $default,
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);
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}
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return $form;
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}
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/**
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* Are there enough contexts for a plugin?
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*
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* Some plugins can have a 'required contexts' item which can either
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* be a context requirement object or an array of them. When contexts
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* are required, items that do not have enough contexts should not
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* appear. This tests an item to see if it has enough contexts
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* to actually appear.
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*
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* @param $contexts
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* A keyed array of all available contexts.
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* @param $required
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* The required context object or array of objects.
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*
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* @return
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* TRUE if there are enough contexts, FALSE if there are not.
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*/
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function ctools_context_match_requirements($contexts, $required) {
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if (!is_array($required)) {
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$required = array($required);
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}
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// Get the keys to avoid bugs in PHP 5.0.8 with keys and loops.
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// And use it to remove optional contexts.
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$keys = array_keys($required);
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foreach ($keys as $key) {
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if (empty($required[$key]->required)) {
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unset($required[$key]);
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}
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}
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$count = count($required);
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return (count(ctools_context_filter($contexts, $required)) >= $count);
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}
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/**
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* Create a select box to choose possible contexts.
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*
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* This only creates a selector if there is actually a choice; if there
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* is only one possible context, that one is silently assigned.
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*
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* If an array of required contexts is provided, one selector will be
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* provided for each context.
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*
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* @param $contexts
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* A keyed array of all available contexts.
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* @param $required
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* The required context object or array of objects.
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*
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* @return
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* A form element, or NULL if there are no contexts that satisfy the
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* requirements.
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*/
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function ctools_context_converter_selector($contexts, $required, $default) {
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if (is_array($required)) {
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$result = array('#tree' => TRUE);
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$count = 1;
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foreach ($required as $id => $r) {
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$result[] = _ctools_context_converter_selector($contexts, $r, isset($default[$id]) ? $default[$id] : '', $count++);
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}
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return $result;
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}
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return _ctools_context_converter_selector($contexts, $required, $default);
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}
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function _ctools_context_converter_selector($contexts, $required, $default, $num = 0) {
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$filtered = ctools_context_filter($contexts, $required);
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$count = count($filtered);
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$form = array();
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if ($count > 1) {
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// If there's more than one to choose from, create a select widget.
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$options = array();
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foreach ($filtered as $cid => $context) {
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if ($context->type == 'any') {
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$options[''] = t('No context');
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continue;
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}
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$key = $context->get_identifier();
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if ($converters = ctools_context_get_converters($cid . '.', $context)) {
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$options[$key] = $converters;
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}
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}
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if (empty($options)) {
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return array(
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'#type' => 'value',
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'#value' => 'any',
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);
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}
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if (!empty($required->title)) {
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$title = $required->title;
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}
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else {
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$title = $num ? t('Context %count', array('%count' => $num)) : t('Context');
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}
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return array(
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'#type' => 'select',
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'#options' => $options,
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'#title' => $title,
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'#description' => t('Please choose which context and how you would like it converted.'),
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'#default_value' => $default,
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);
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}
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}
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/**
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* Get a list of converters available for a given context.
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*/
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function ctools_context_get_converters($cid, $context) {
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if (empty($context->plugin)) {
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return array();
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}
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return _ctools_context_get_converters($cid, $context->plugin);
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}
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/**
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* Get a list of converters available for a given context.
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*/
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function _ctools_context_get_converters($id, $plugin_name) {
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$plugin = ctools_get_context($plugin_name);
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if (empty($plugin['convert list'])) {
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return array();
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}
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$converters = array();
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if (is_array($plugin['convert list'])) {
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$converters = $plugin['convert list'];
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}
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else if ($function = ctools_plugin_get_function($plugin, 'convert list')) {
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$converters = (array) $function($plugin);
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}
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foreach (module_implements('ctools_context_convert_list_alter') as $module) {
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$function = $module . '_ctools_context_convert_list_alter';
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$function($plugin, $converters);
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}
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// Now, change them all to include the plugin:
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$return = array();
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foreach ($converters as $key => $title) {
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$return[$id . $key] = $title;
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}
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natcasesort($return);
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return $return;
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}
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/**
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* Get a list of all contexts + converters available.
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*/
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function ctools_context_get_all_converters() {
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$contexts = ctools_get_contexts();
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$converters = array();
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foreach ($contexts as $name => $context) {
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if (empty($context['no required context ui'])) {
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$context_converters = _ctools_context_get_converters($name . '.', $name);
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if ($context_converters) {
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$converters[$context['title']] = $context_converters;
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}
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}
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}
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return $converters;
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}
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/**
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* Let the context convert an argument based upon the converter that was given.
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*
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* @param $context
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* The context object
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* @param $converter
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* The converter to use, which should be a string provided by the converter list.
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* @param $converter_options
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* A n array of options to pass on to the generation function. For contexts
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* that use token module, of particular use is 'sanitize' => FALSE which can
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* get raw tokens. This should ONLY be used in values that will later be
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* treated as unsafe user input since these values are by themselves unsafe.
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* It is particularly useful to get raw values from Field API.
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*/
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function ctools_context_convert_context($context, $converter, $converter_options = array()) {
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// Contexts without plugins might be optional placeholders.
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if (empty($context->plugin)) {
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return;
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}
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$value = $context->argument;
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$plugin = ctools_get_context($context->plugin);
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if ($function = ctools_plugin_get_function($plugin, 'convert')) {
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$value = $function($context, $converter, $converter_options);
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}
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foreach (module_implements('ctools_context_converter_alter') as $module) {
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$function = $module . '_ctools_context_converter_alter';
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$function($context, $converter, $value, $converter_options);
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}
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return $value;
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}
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/**
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|
* Choose a context or contexts based upon the selection made via
|
|
* ctools_context_filter.
|
|
*
|
|
* @param $contexts
|
|
* A keyed array of all available contexts
|
|
* @param $required
|
|
* The required context object provided by the plugin
|
|
* @param $context
|
|
* The selection made using ctools_context_selector
|
|
*/
|
|
function ctools_context_select($contexts, $required, $context) {
|
|
if (is_array($required)) {
|
|
$result = array();
|
|
foreach ($required as $id => $r) {
|
|
if (empty($required[$id])) {
|
|
continue;
|
|
}
|
|
|
|
if (($result[] = _ctools_context_select($contexts, $r, $context[$id])) === FALSE) {
|
|
return FALSE;
|
|
}
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
return _ctools_context_select($contexts, $required, $context);
|
|
}
|
|
|
|
function _ctools_context_select($contexts, $required, $context) {
|
|
if (!is_object($required)) {
|
|
return FALSE;
|
|
}
|
|
|
|
return $required->select($contexts, $context);
|
|
}
|
|
|
|
/**
|
|
* Create a new context object.
|
|
*
|
|
* @param $type
|
|
* The type of context to create; this loads a plugin.
|
|
* @param $data
|
|
* The data to put into the context.
|
|
* @param $empty
|
|
* Whether or not this context is specifically empty.
|
|
* @param $conf
|
|
* A configuration structure if this context was created via UI.
|
|
*
|
|
* @return
|
|
* A $context or NULL if one could not be created.
|
|
*/
|
|
function ctools_context_create($type, $data = NULL, $conf = FALSE) {
|
|
ctools_include('plugins');
|
|
$plugin = ctools_get_context($type);
|
|
|
|
if ($function = ctools_plugin_get_function($plugin, 'context')) {
|
|
return $function(FALSE, $data, $conf, $plugin);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Create an empty context object.
|
|
*
|
|
* Empty context objects are primarily used as placeholders in the UI where
|
|
* the actual contents of a context object may not be known. It may have
|
|
* additional text embedded to give the user clues as to how the context
|
|
* is used.
|
|
*
|
|
* @param $type
|
|
* The type of context to create; this loads a plugin.
|
|
*
|
|
* @return
|
|
* A $context or NULL if one could not be created.
|
|
*/
|
|
function ctools_context_create_empty($type) {
|
|
$plugin = ctools_get_context($type);
|
|
if ($function = ctools_plugin_get_function($plugin, 'context')) {
|
|
$context = $function(TRUE, NULL, FALSE, $plugin);
|
|
if (is_object($context)) {
|
|
$context->empty = TRUE;
|
|
}
|
|
|
|
return $context;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Perform keyword and context substitutions.
|
|
*/
|
|
function ctools_context_keyword_substitute($string, $keywords, $contexts, $converter_options = array()) {
|
|
// Ensure a default keyword exists:
|
|
$keywords['%%'] = '%';
|
|
|
|
// Match contexts to the base keywords:
|
|
$context_keywords = array();
|
|
foreach ($contexts as $context) {
|
|
if (isset($context->keyword)) {
|
|
$context_keywords[$context->keyword] = $context;
|
|
}
|
|
}
|
|
|
|
// Look for context matches we we only have to convert known matches.
|
|
$matches = array();
|
|
if (preg_match_all('/%(%|[a-zA-Z0-9_-]+(?:\:[a-zA-Z0-9_-]+)*)/us', $string, $matches)) {
|
|
foreach ($matches[1] as $keyword) {
|
|
// Ignore anything it finds with %%.
|
|
if ($keyword[0] == '%') {
|
|
continue;
|
|
}
|
|
|
|
// If the keyword is already set by something passed in, don't try to
|
|
// overwrite it.
|
|
if (!empty($keywords['%' . $keyword])) {
|
|
continue;
|
|
}
|
|
|
|
// Figure out our keyword and converter, if specified.
|
|
if (strpos($keyword, ':')) {
|
|
list($context, $converter) = explode(':', $keyword, 2);
|
|
}
|
|
else {
|
|
$context = $keyword;
|
|
if (isset($context_keywords[$keyword])) {
|
|
$plugin = ctools_get_context($context_keywords[$context]->plugin);
|
|
|
|
// Fall back to a default converter, if specified.
|
|
if ($plugin && !empty($plugin['convert default'])) {
|
|
$converter = $plugin['convert default'];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (empty($context_keywords[$context]) || !empty($context_keywords[$context]->empty)) {
|
|
$keywords['%' . $keyword] = '';
|
|
}
|
|
else if (!empty($converter)) {
|
|
$keywords['%' . $keyword] = ctools_context_convert_context($context_keywords[$context], $converter, $converter_options);
|
|
}
|
|
else {
|
|
$keywords['%' . $keyword] = $context_keywords[$keyword]->title;
|
|
}
|
|
}
|
|
}
|
|
return strtr($string, $keywords);
|
|
}
|
|
|
|
/**
|
|
* Determine a unique context ID for a context
|
|
*
|
|
* Often contexts of many different types will be placed into a list. This
|
|
* ensures that even though contexts of multiple types may share IDs, they
|
|
* are unique in the final list.
|
|
*/
|
|
function ctools_context_id($context, $type = 'context') {
|
|
if (!$context['id']) {
|
|
$context['id'] = 1;
|
|
}
|
|
|
|
return $type . '_' . $context['name'] . '_' . $context['id'];
|
|
}
|
|
|
|
/**
|
|
* Get the next id available given a list of already existing objects.
|
|
*
|
|
* This finds the next id available for the named object.
|
|
*
|
|
* @param $objects
|
|
* A list of context descriptor objects, i.e, arguments, relationships, contexts, etc.
|
|
* @param $name
|
|
* The name being used.
|
|
*/
|
|
function ctools_context_next_id($objects, $name) {
|
|
$id = 0;
|
|
// Figure out which instance of this argument we're creating
|
|
if (!$objects) {
|
|
return $id + 1;
|
|
}
|
|
|
|
foreach ($objects as $object) {
|
|
if (isset($object['name']) && $object['name'] == $name) {
|
|
if ($object['id'] > $id) {
|
|
$id = $object['id'];
|
|
}
|
|
}
|
|
}
|
|
|
|
return $id + 1;
|
|
}
|
|
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// Functions related to contexts from arguments.
|
|
|
|
/**
|
|
* Fetch metadata on a specific argument plugin.
|
|
*
|
|
* @param $argument
|
|
* Name of an argument plugin.
|
|
*
|
|
* @return
|
|
* An array with information about the requested argument plugin.
|
|
*/
|
|
function ctools_get_argument($argument) {
|
|
ctools_include('plugins');
|
|
return ctools_get_plugins('ctools', 'arguments', $argument);
|
|
}
|
|
|
|
/**
|
|
* Fetch metadata for all argument plugins.
|
|
*
|
|
* @return
|
|
* An array of arrays with information about all available argument plugins.
|
|
*/
|
|
function ctools_get_arguments() {
|
|
ctools_include('plugins');
|
|
return ctools_get_plugins('ctools', 'arguments');
|
|
}
|
|
|
|
/**
|
|
* Get a context from an argument.
|
|
*
|
|
* @param $argument
|
|
* The configuration of an argument. It must contain the following data:
|
|
* - name: The name of the argument plugin being used.
|
|
* - argument_settings: The configuration based upon the plugin forms.
|
|
* - identifier: The human readable identifier for this argument, usually
|
|
* defined by the UI.
|
|
* - keyword: The keyword used for this argument for substitutions.
|
|
*
|
|
* @param $arg
|
|
* The actual argument received. This is expected to be a string from a URL but
|
|
* this does not have to be the only source of arguments.
|
|
* @param $empty
|
|
* If true, the $arg will not be used to load the context. Instead, an empty
|
|
* placeholder context will be loaded.
|
|
*
|
|
* @return
|
|
* A context object if one can be loaded.
|
|
*/
|
|
function ctools_context_get_context_from_argument($argument, $arg, $empty = FALSE) {
|
|
ctools_include('plugins');
|
|
if (empty($argument['name'])) {
|
|
return;
|
|
}
|
|
|
|
if ($function = ctools_plugin_load_function('ctools', 'arguments', $argument['name'], 'context')) {
|
|
// Backward compatibility: Merge old style settings into new style:
|
|
if (!empty($argument['settings'])) {
|
|
$argument += $argument['settings'];
|
|
unset($argument['settings']);
|
|
}
|
|
|
|
$context = $function($arg, $argument, $empty);
|
|
|
|
if (is_object($context)) {
|
|
$context->identifier = $argument['identifier'];
|
|
$context->page_title = isset($argument['title']) ? $argument['title'] : '';
|
|
$context->keyword = $argument['keyword'];
|
|
$context->id = ctools_context_id($argument, 'argument');
|
|
$context->original_argument = $arg;
|
|
|
|
if (!empty($context->empty)) {
|
|
$context->placeholder = array(
|
|
'type' => 'argument',
|
|
'conf' => $argument,
|
|
);
|
|
}
|
|
}
|
|
return $context;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve a list of empty contexts for all arguments.
|
|
*/
|
|
function ctools_context_get_placeholders_from_argument($arguments) {
|
|
$contexts = array();
|
|
foreach ($arguments as $argument) {
|
|
$context = ctools_context_get_context_from_argument($argument, NULL, TRUE);
|
|
if ($context) {
|
|
$contexts[ctools_context_id($argument, 'argument')] = $context;
|
|
}
|
|
}
|
|
return $contexts;
|
|
}
|
|
|
|
/**
|
|
* Load the contexts for a given list of arguments.
|
|
*
|
|
* @param $arguments
|
|
* The array of argument definitions.
|
|
* @param &$contexts
|
|
* The array of existing contexts. New contexts will be added to this array.
|
|
* @param $args
|
|
* The arguments to load.
|
|
*
|
|
* @return
|
|
* FALSE if an argument wants to 404.
|
|
*/
|
|
function ctools_context_get_context_from_arguments($arguments, &$contexts, $args) {
|
|
foreach ($arguments as $argument) {
|
|
// pull the argument off the list.
|
|
$arg = array_shift($args);
|
|
$id = ctools_context_id($argument, 'argument');
|
|
|
|
// For % arguments embedded in the URL, our context is already loaded.
|
|
// There is no need to go and load it again.
|
|
if (empty($contexts[$id])) {
|
|
if ($context = ctools_context_get_context_from_argument($argument, $arg)) {
|
|
$contexts[$id] = $context;
|
|
}
|
|
}
|
|
else {
|
|
$context = $contexts[$id];
|
|
}
|
|
|
|
if ((empty($context) || empty($context->data)) && !empty($argument['default']) && $argument['default'] == '404') {
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// Functions related to contexts from relationships.
|
|
|
|
/**
|
|
* Fetch metadata on a specific relationship plugin.
|
|
*
|
|
* @param $content type
|
|
* Name of a panel content type.
|
|
*
|
|
* @return
|
|
* An array with information about the requested relationship.
|
|
*/
|
|
function ctools_get_relationship($relationship) {
|
|
ctools_include('plugins');
|
|
return ctools_get_plugins('ctools', 'relationships', $relationship);
|
|
}
|
|
|
|
/**
|
|
* Fetch metadata for all relationship plugins.
|
|
*
|
|
* @return
|
|
* An array of arrays with information about all available relationships.
|
|
*/
|
|
function ctools_get_relationships() {
|
|
ctools_include('plugins');
|
|
return ctools_get_plugins('ctools', 'relationships');
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param $relationship
|
|
* The configuration of a relationship. It must contain the following data:
|
|
* - name: The name of the relationship plugin being used.
|
|
* - relationship_settings: The configuration based upon the plugin forms.
|
|
* - identifier: The human readable identifier for this relationship, usually
|
|
* defined by the UI.
|
|
* - keyword: The keyword used for this relationship for substitutions.
|
|
*
|
|
* @param $source_context
|
|
* The context this relationship is based upon.
|
|
*
|
|
* @param $placeholders
|
|
* If TRUE, placeholders are acceptable.
|
|
*
|
|
* @return
|
|
* A context object if one can be loaded.
|
|
*/
|
|
function ctools_context_get_context_from_relationship($relationship, $source_context, $placeholders = FALSE) {
|
|
ctools_include('plugins');
|
|
if ($function = ctools_plugin_load_function('ctools', 'relationships', $relationship['name'], 'context')) {
|
|
// Backward compatibility: Merge old style settings into new style:
|
|
if (!empty($relationship['relationship_settings'])) {
|
|
$relationship += $relationship['relationship_settings'];
|
|
unset($relationship['relationship_settings']);
|
|
}
|
|
|
|
$context = $function($source_context, $relationship, $placeholders);
|
|
if ($context) {
|
|
$context->identifier = $relationship['identifier'];
|
|
$context->page_title = isset($relationship['title']) ? $relationship['title'] : '';
|
|
$context->keyword = $relationship['keyword'];
|
|
if (!empty($context->empty)) {
|
|
$context->placeholder = array(
|
|
'type' => 'relationship',
|
|
'conf' => $relationship,
|
|
);
|
|
}
|
|
return $context;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetch all relevant relationships.
|
|
*
|
|
* Relevant relationships are any relationship that can be created based upon
|
|
* the list of existing contexts. For example, the 'node author' relationship
|
|
* is relevant if there is a 'node' context, but makes no sense if there is
|
|
* not one.
|
|
*
|
|
* @param $contexts
|
|
* An array of contexts used to figure out which relationships are relevant.
|
|
*
|
|
* @return
|
|
* An array of relationship keys that are relevant for the given set of
|
|
* contexts.
|
|
*/
|
|
function ctools_context_get_relevant_relationships($contexts) {
|
|
$relevant = array();
|
|
$relationships = ctools_get_relationships();
|
|
|
|
// Go through each relationship
|
|
foreach ($relationships as $rid => $relationship) {
|
|
// For each relationship, see if there is a context that satisfies it.
|
|
if (empty($relationship['no ui']) && ctools_context_filter($contexts, $relationship['required context'])) {
|
|
$relevant[$rid] = $relationship['title'];
|
|
}
|
|
}
|
|
|
|
return $relevant;
|
|
}
|
|
|
|
/**
|
|
* Fetch all active relationships
|
|
*
|
|
* @param $relationships
|
|
* An keyed array of relationship data including:
|
|
* - name: name of relationship
|
|
* - context: context id relationship belongs to. This will be used to
|
|
* identify which context in the $contexts array to use to create the
|
|
* relationship context.
|
|
*
|
|
* @param $contexts
|
|
* A keyed array of contexts used to figure out which relationships
|
|
* are relevant. New contexts will be added to this.
|
|
*
|
|
* @param $placeholders
|
|
* If TRUE, placeholders are acceptable.
|
|
*/
|
|
function ctools_context_get_context_from_relationships($relationships, &$contexts, $placeholders = FALSE) {
|
|
$return = array();
|
|
|
|
foreach ($relationships as $rdata) {
|
|
if (!isset($rdata['context'])) {
|
|
continue;
|
|
}
|
|
|
|
if (is_array($rdata['context'])) {
|
|
$rcontexts = array();
|
|
foreach ($rdata['context'] as $cid) {
|
|
if (empty($contexts[$cid])) {
|
|
continue 2;
|
|
}
|
|
$rcontexts[] = $contexts[$cid];
|
|
}
|
|
}
|
|
else {
|
|
if (empty($contexts[$rdata['context']])) {
|
|
continue;
|
|
}
|
|
$rcontexts = $contexts[$rdata['context']];
|
|
}
|
|
|
|
$cid = ctools_context_id($rdata, 'relationship');
|
|
if ($context = ctools_context_get_context_from_relationship($rdata, $rcontexts)) {
|
|
$contexts[$cid] = $context;
|
|
}
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// Functions related to loading contexts from simple context definitions.
|
|
|
|
/**
|
|
* Fetch metadata on a specific context plugin.
|
|
*
|
|
* @param $context
|
|
* Name of a context.
|
|
*
|
|
* @return
|
|
* An array with information about the requested panel context.
|
|
*/
|
|
function ctools_get_context($context) {
|
|
static $gate = array();
|
|
ctools_include('plugins');
|
|
$plugin = ctools_get_plugins('ctools', 'contexts', $context);
|
|
if (empty($gate['context']) && !empty($plugin['superceded by'])) {
|
|
// This gate prevents infinite loops.
|
|
$gate[$context] = TRUE;
|
|
$new_plugin = ctools_get_plugins('ctools', 'contexts', $plugin['superceded by']);
|
|
$gate[$context] = FALSE;
|
|
|
|
// If a new plugin was returned, return it. Otherwise fall through and
|
|
// return the original we fetched.
|
|
if ($new_plugin) {
|
|
return $new_plugin;
|
|
}
|
|
}
|
|
|
|
return $plugin;
|
|
}
|
|
|
|
/**
|
|
* Fetch metadata for all context plugins.
|
|
*
|
|
* @return
|
|
* An array of arrays with information about all available panel contexts.
|
|
*/
|
|
function ctools_get_contexts() {
|
|
ctools_include('plugins');
|
|
return ctools_get_plugins('ctools', 'contexts');
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param $context
|
|
* The configuration of a context. It must contain the following data:
|
|
* - name: The name of the context plugin being used.
|
|
* - context_settings: The configuration based upon the plugin forms.
|
|
* - identifier: The human readable identifier for this context, usually
|
|
* defined by the UI.
|
|
* - keyword: The keyword used for this context for substitutions.
|
|
* @param $type
|
|
* This is either 'context' which indicates the context will be loaded
|
|
* from data in the settings, or 'required_context' which means the
|
|
* context must be acquired from an external source. This is the method
|
|
* used to pass pure contexts from one system to another.
|
|
*
|
|
* @return
|
|
* A context object if one can be loaded.
|
|
*/
|
|
function ctools_context_get_context_from_context($context, $type = 'context', $argument = NULL) {
|
|
ctools_include('plugins');
|
|
$plugin = ctools_get_context($context['name']);
|
|
if ($function = ctools_plugin_get_function($plugin, 'context')) {
|
|
// Backward compatibility: Merge old style settings into new style:
|
|
if (!empty($context['context_settings'])) {
|
|
$context += $context['context_settings'];
|
|
unset($context['context_settings']);
|
|
}
|
|
|
|
if (isset($argument) && isset($plugin['placeholder name'])) {
|
|
$context[$plugin['placeholder name']] = $argument;
|
|
}
|
|
|
|
$return = $function($type == 'requiredcontext', $context, TRUE, $plugin);
|
|
if ($return) {
|
|
$return->identifier = $context['identifier'];
|
|
$return->page_title = isset($context['title']) ? $context['title'] : '';
|
|
$return->keyword = $context['keyword'];
|
|
|
|
if (!empty($context->empty)) {
|
|
$context->placeholder = array(
|
|
'type' => 'context',
|
|
'conf' => $context,
|
|
);
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve a list of base contexts based upon a simple 'contexts' definition.
|
|
*
|
|
* For required contexts this will always retrieve placeholders.
|
|
*
|
|
* @param $contexts
|
|
* The list of contexts defined in the UI.
|
|
* @param $type
|
|
* Either 'context' or 'requiredcontext', which indicates whether the contexts
|
|
* are loaded from internal data or copied from an external source.
|
|
* @param $placeholders
|
|
* If true, placeholders are acceptable.
|
|
*/
|
|
function ctools_context_get_context_from_contexts($contexts, $type = 'context', $placeholders = FALSE) {
|
|
$return = array();
|
|
foreach ($contexts as $context) {
|
|
$ctext = ctools_context_get_context_from_context($context, $type);
|
|
if ($ctext) {
|
|
if ($placeholders) {
|
|
$ctext->placeholder = TRUE;
|
|
}
|
|
$return[ctools_context_id($context, $type)] = $ctext;
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Match up external contexts to our required contexts.
|
|
*
|
|
* This function is used to create a list of contexts with proper
|
|
* IDs based upon a list of required contexts.
|
|
*
|
|
* These contexts passed in should match the numeric positions of the
|
|
* required contexts. The caller must ensure this has already happened
|
|
* correctly as this function will not detect errors here.
|
|
*
|
|
* @param $required
|
|
* A list of required contexts as defined by the UI.
|
|
* @param $contexts
|
|
* A list of matching contexts as passed in from the calling system.
|
|
*/
|
|
function ctools_context_match_required_contexts($required, $contexts) {
|
|
$return = array();
|
|
if (!is_array($required)) {
|
|
return $return;
|
|
}
|
|
|
|
foreach ($required as $r) {
|
|
$context = clone array_shift($contexts);
|
|
$context->identifier = $r['identifier'];
|
|
$context->page_title = isset($r['title']) ? $r['title'] : '';
|
|
$context->keyword = $r['keyword'];
|
|
$return[ctools_context_id($r, 'requiredcontext')] = $context;
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Load a full array of contexts for an object.
|
|
*
|
|
* Not all of the types need to be supported by this object.
|
|
*
|
|
* This function is not used to load contexts from external data, but may
|
|
* be used to load internal contexts and relationships. Otherwise it can also
|
|
* be used to generate a full set of placeholders for UI purposes.
|
|
*
|
|
* @param $object
|
|
* An object that contains some or all of the following variables:
|
|
*
|
|
* - requiredcontexts: A list of UI configured contexts that are required
|
|
* from an external source. Since these require external data, they will
|
|
* only be added if $placeholders is set to TRUE, and empty contexts will
|
|
* be created.
|
|
* - arguments: A list of UI configured arguments that will create contexts.
|
|
* Since these require external data, they will only be added if $placeholders
|
|
* is set to TRUE.
|
|
* - contexts: A list of UI configured contexts that have no external source,
|
|
* and are essentially hardcoded. For example, these might configure a
|
|
* particular node or a particular taxonomy term.
|
|
* - relationships: A list of UI configured contexts to be derived from other
|
|
* contexts that already exist from other sources. For example, these might
|
|
* be used to get a user object from a node via the node author relationship.
|
|
* @param $placeholders
|
|
* If TRUE, this will generate placeholder objects for types this function
|
|
* cannot load.
|
|
* @param $contexts
|
|
* An array of pre-existing contexts that will be part of the return value.
|
|
*/
|
|
function ctools_context_load_contexts($object, $placeholders = TRUE, $contexts = array()) {
|
|
if (!empty($object->base_contexts)) {
|
|
$contexts += $object->base_contexts;
|
|
}
|
|
|
|
if ($placeholders) {
|
|
// This will load empty contexts as placeholders for arguments that come
|
|
// from external sources. If this isn't set, it's assumed these context
|
|
// will already have been matched up and loaded.
|
|
if (!empty($object->requiredcontexts) && is_array($object->requiredcontexts)) {
|
|
$contexts += ctools_context_get_context_from_contexts($object->requiredcontexts, 'requiredcontext', $placeholders);
|
|
}
|
|
|
|
if (!empty($object->arguments) && is_array($object->arguments)) {
|
|
$contexts += ctools_context_get_placeholders_from_argument($object->arguments);
|
|
}
|
|
}
|
|
|
|
if (!empty($object->contexts) && is_array($object->contexts)) {
|
|
$contexts += ctools_context_get_context_from_contexts($object->contexts, 'context', $placeholders);
|
|
}
|
|
|
|
// add contexts from relationships
|
|
if (!empty($object->relationships) && is_array($object->relationships)) {
|
|
ctools_context_get_context_from_relationships($object->relationships, $contexts, $placeholders);
|
|
}
|
|
|
|
return $contexts;
|
|
}
|
|
|
|
/**
|
|
* Return the first context with a form id from a list of contexts.
|
|
*
|
|
* This function is used to figure out which contexts represents 'the form'
|
|
* from a list of contexts. Only one contexts can actually be 'the form' for
|
|
* a given page, since the @code{<form>} tag can not be embedded within
|
|
* itself.
|
|
*/
|
|
function ctools_context_get_form($contexts) {
|
|
if (!empty($contexts)) {
|
|
foreach ($contexts as $id => $context) {
|
|
// if a form shows its id as being a 'required context' that means the
|
|
// the context is external to this display and does not count.
|
|
if (!empty($context->form_id) && substr($id, 0, 15) != 'requiredcontext') {
|
|
return $context;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Replace placeholders with real contexts using data extracted from a form
|
|
* for the purposes of previews.
|
|
*
|
|
* @param $contexts
|
|
* All of the contexts, including the placeholders.
|
|
* @param $arguments
|
|
* The arguments. These will be acquired from $form_state['values'] and the
|
|
* keys must match the context IDs.
|
|
*
|
|
* @return
|
|
* A new $contexts array containing the replaced contexts. Not all contexts
|
|
* may be replaced if, for example, an argument was unable to be converted
|
|
* into a context.
|
|
*/
|
|
function ctools_context_replace_placeholders($contexts, $arguments) {
|
|
foreach ($contexts as $cid => $context) {
|
|
if (empty($context->empty)) {
|
|
continue;
|
|
}
|
|
|
|
$new_context = NULL;
|
|
switch ($context->placeholder['type']) {
|
|
case 'relationship':
|
|
$relationship = $context->placeholder['conf'];
|
|
if (isset($contexts[$relationship['context']])) {
|
|
$new_context = ctools_context_get_context_from_relationship($relationship, $contexts[$relationship['context']]);
|
|
}
|
|
break;
|
|
case 'argument':
|
|
if (isset($arguments[$cid]) && $arguments[$cid] !== '') {
|
|
$argument = $context->placeholder['conf'];
|
|
$new_context = ctools_context_get_context_from_argument($argument, $arguments[$cid]);
|
|
}
|
|
break;
|
|
case 'context':
|
|
if (!empty($arguments[$cid])) {
|
|
$context_info = $context->placeholder['conf'];
|
|
$new_context = ctools_context_get_context_from_context($context_info, 'requiredcontext', $arguments[$cid]);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if ($new_context && empty($new_context->empty)) {
|
|
$contexts[$cid] = $new_context;
|
|
}
|
|
}
|
|
|
|
return $contexts;
|
|
}
|
|
|
|
/**
|
|
* Provide a form array for getting data to replace placeholder contexts
|
|
* with real data.
|
|
*/
|
|
function ctools_context_replace_form(&$form, $contexts) {
|
|
foreach ($contexts as $cid => $context) {
|
|
if (empty($context->empty)) {
|
|
continue;
|
|
}
|
|
|
|
// Get plugin info from the context which should have been set when the
|
|
// empty context was created.
|
|
$info = NULL;
|
|
$plugin = NULL;
|
|
$settings = NULL;
|
|
switch ($context->placeholder['type']) {
|
|
case 'argument':
|
|
$info = $context->placeholder['conf'];
|
|
$plugin = ctools_get_argument($info['name']);
|
|
break;
|
|
|
|
case 'context':
|
|
$info = $context->placeholder['conf'];
|
|
$plugin = ctools_get_context($info['name']);
|
|
break;
|
|
}
|
|
|
|
// Ask the plugin where the form is.
|
|
if ($plugin && isset($plugin['placeholder form'])) {
|
|
if (is_array($plugin['placeholder form'])) {
|
|
$form[$cid] = $plugin['placeholder form'];
|
|
}
|
|
else if (function_exists($plugin['placeholder form'])) {
|
|
$widget = $plugin['placeholder form']($info);
|
|
if ($widget) {
|
|
$form[$cid] = $widget;
|
|
}
|
|
}
|
|
|
|
if (!empty($form[$cid])) {
|
|
$form[$cid]['#title'] = t('@identifier (@keyword)', array('@keyword' => '%' . $context->keyword, '@identifier' => $context->identifier));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// Functions related to loading access control plugins
|
|
|
|
/**
|
|
* Fetch metadata on a specific access control plugin.
|
|
*
|
|
* @param $name
|
|
* Name of a plugin.
|
|
*
|
|
* @return
|
|
* An array with information about the requested access control plugin.
|
|
*/
|
|
function ctools_get_access_plugin($name) {
|
|
ctools_include('plugins');
|
|
return ctools_get_plugins('ctools', 'access', $name);
|
|
}
|
|
|
|
/**
|
|
* Fetch metadata for all access control plugins.
|
|
*
|
|
* @return
|
|
* An array of arrays with information about all available access control plugins.
|
|
*/
|
|
function ctools_get_access_plugins() {
|
|
ctools_include('plugins');
|
|
return ctools_get_plugins('ctools', 'access');
|
|
}
|
|
|
|
/**
|
|
* Fetch a list of access plugins that are available for a given list of
|
|
* contexts.
|
|
*
|
|
* if 'logged-in-user' is not in the list of contexts, it will be added as
|
|
* this is required.
|
|
*/
|
|
function ctools_get_relevant_access_plugins($contexts) {
|
|
if (!isset($contexts['logged-in-user'])) {
|
|
$contexts['logged-in-user'] = ctools_access_get_loggedin_context();
|
|
}
|
|
|
|
$all_plugins = ctools_get_access_plugins();
|
|
$plugins = array();
|
|
foreach ($all_plugins as $id => $plugin) {
|
|
if (!empty($plugin['required context']) && !ctools_context_match_requirements($contexts, $plugin['required context'])) {
|
|
continue;
|
|
}
|
|
$plugins[$id] = $plugin;
|
|
}
|
|
|
|
return $plugins;
|
|
}
|
|
|
|
/**
|
|
* Create a context for the logged in user.
|
|
*/
|
|
function ctools_access_get_loggedin_context() {
|
|
$context = ctools_context_create('entity:user', array('type' => 'current'), TRUE);
|
|
$context->identifier = t('Logged in user');
|
|
$context->keyword = 'viewer';
|
|
$context->id = 0;
|
|
|
|
return $context;
|
|
}
|
|
|
|
/**
|
|
* Get a summary of an access plugin's settings.
|
|
*/
|
|
function ctools_access_summary($plugin, $contexts, $test) {
|
|
if (!isset($contexts['logged-in-user'])) {
|
|
$contexts['logged-in-user'] = ctools_access_get_loggedin_context();
|
|
}
|
|
|
|
$description = '';
|
|
if ($function = ctools_plugin_get_function($plugin, 'summary')) {
|
|
$required_context = isset($plugin['required context']) ? $plugin['required context'] : array();
|
|
$context = isset($test['context']) ? $test['context'] : array();
|
|
$description = $function($test['settings'], ctools_context_select($contexts, $required_context, $context), $plugin);
|
|
}
|
|
|
|
if (!empty($test['not'])) {
|
|
$description = "NOT ($description)";
|
|
}
|
|
|
|
return $description;
|
|
}
|
|
|
|
/**
|
|
* Get a summary of a group of access plugin's settings.
|
|
*/
|
|
function ctools_access_group_summary($access, $contexts) {
|
|
if (empty($access['plugins'])) {
|
|
return;
|
|
}
|
|
|
|
$descriptions = array();
|
|
foreach ($access['plugins'] as $id => $test) {
|
|
$plugin = ctools_get_access_plugin($test['name']);
|
|
$descriptions[] = ctools_access_summary($plugin, $contexts, $test);
|
|
}
|
|
|
|
$separator = (isset($access['logic']) && $access['logic'] == 'and') ? t(', and ') : t(', or ');
|
|
return implode($separator, $descriptions);
|
|
}
|
|
|
|
/**
|
|
* Determine if the current user has access via plugin.
|
|
*
|
|
* @param $settings
|
|
* An array of settings theoretically set by the user.
|
|
* @param $contexts
|
|
* An array of zero or more contexts that may be used to determine if
|
|
* the user has access.
|
|
*
|
|
* @return
|
|
* TRUE if access is granted, false if otherwise.
|
|
*/
|
|
function ctools_access($settings, $contexts = array()) {
|
|
if (empty($settings['plugins'])) {
|
|
return TRUE;
|
|
}
|
|
|
|
if (!isset($settings['logic'])) {
|
|
$settings['logic'] = 'and';
|
|
}
|
|
|
|
if (!isset($contexts['logged-in-user'])) {
|
|
$contexts['logged-in-user'] = ctools_access_get_loggedin_context();
|
|
}
|
|
|
|
foreach ($settings['plugins'] as $test) {
|
|
$pass = FALSE;
|
|
$plugin = ctools_get_access_plugin($test['name']);
|
|
if ($plugin && $function = ctools_plugin_get_function($plugin, 'callback')) {
|
|
// Do we need just some contexts or all of them?
|
|
if (!empty($plugin['all contexts'])) {
|
|
$test_contexts = $contexts;
|
|
}
|
|
else {
|
|
$required_context = isset($plugin['required context']) ? $plugin['required context'] : array();
|
|
$context = isset($test['context']) ? $test['context'] : array();
|
|
$test_contexts = ctools_context_select($contexts, $required_context, $context);
|
|
}
|
|
|
|
$pass = $function($test['settings'], $test_contexts, $plugin);
|
|
if (!empty($test['not'])) {
|
|
$pass = !$pass;
|
|
}
|
|
}
|
|
|
|
if ($pass && $settings['logic'] == 'or') {
|
|
// Pass if 'or' and this rule passed.
|
|
return TRUE;
|
|
}
|
|
else if (!$pass && $settings['logic'] == 'and') {
|
|
// Fail if 'and' and this rule failed.
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
// Return TRUE if logic was and, meaning all rules passed.
|
|
// Return FALSE if logic was or, meaning no rule passed.
|
|
return $settings['logic'] == 'and';
|
|
}
|
|
|
|
/**
|
|
* Create default settings for a new access plugin.
|
|
*
|
|
* @param $plugin
|
|
* The access plugin being used.
|
|
*
|
|
* @return
|
|
* A default configured test that should be placed in $access['plugins'];
|
|
*/
|
|
function ctools_access_new_test($plugin) {
|
|
$test = array(
|
|
'name' => $plugin['name'],
|
|
'settings' => array(),
|
|
);
|
|
|
|
// Set up required context defaults.
|
|
if (isset($plugin['required context'])) {
|
|
if (is_object($plugin['required context'])) {
|
|
$test['context'] = '';
|
|
}
|
|
else {
|
|
$test['context'] = array();
|
|
foreach ($plugin['required context'] as $required) {
|
|
$test['context'][] = '';
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
$default = NULL;
|
|
if (isset($plugin['default'])) {
|
|
$default = $plugin['default'];
|
|
}
|
|
elseif (isset($plugin['defaults'])) {
|
|
$default = $plugin['defaults'];
|
|
}
|
|
|
|
// Setup plugin defaults.
|
|
if (isset($default)) {
|
|
if (is_array($default)) {
|
|
$test['settings'] = $default;
|
|
}
|
|
else if (function_exists($default)) {
|
|
$test['settings'] = $default();
|
|
}
|
|
else {
|
|
$test['settings'] = array();
|
|
}
|
|
}
|
|
|
|
return $test;
|
|
}
|
|
|
|
/**
|
|
* Apply restrictions to contexts based upon the access control configured.
|
|
*
|
|
* These restrictions allow the UI to not show content that may not
|
|
* be relevant to all types of a particular context.
|
|
*/
|
|
function ctools_access_add_restrictions($settings, $contexts) {
|
|
if (empty($settings['plugins'])) {
|
|
return;
|
|
}
|
|
|
|
if (!isset($settings['logic'])) {
|
|
$settings['logic'] = 'and';
|
|
}
|
|
|
|
// We're not going to try to figure out restrictions on the or.
|
|
if ($settings['logic'] == 'or' && count($settings['plugins']) > 1) {
|
|
return;
|
|
}
|
|
|
|
foreach ($settings['plugins'] as $test) {
|
|
$plugin = ctools_get_access_plugin($test['name']);
|
|
if ($plugin && $function = ctools_plugin_get_function($plugin, 'restrictions')) {
|
|
$required_context = isset($plugin['required context']) ? $plugin['required context'] : array();
|
|
$context = isset($test['context']) ? $test['context'] : array();
|
|
$contexts = ctools_context_select($contexts, $required_context, $context);
|
|
if ($contexts !== FALSE) {
|
|
$function($test['settings'], $contexts);
|
|
}
|
|
}
|
|
}
|
|
}
|