854 lines
26 KiB
PHP
854 lines
26 KiB
PHP
<?php
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/**
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* @file
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* Contains the tools to handle pluggable content that can be used by other
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* applications such as Panels or Dashboard.
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*
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* See the context-content.html file in advanced help for documentation
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* of this tool.
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*/
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/**
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* Provide defaults for a content type.
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*
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* Currently we check for automatically named callbacks to make life a little
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* easier on the developer.
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*/
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function ctools_content_process(&$plugin, $info) {
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$function_base = $plugin['module'] . '_' . $plugin['name'] . '_content_type_';
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if (empty($plugin['render callback']) && function_exists($function_base . 'render')) {
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$plugin['render callback'] = $function_base . 'render';
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}
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if (empty($plugin['admin title'])) {
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if (function_exists($function_base . 'admin_title')) {
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$plugin['admin title'] = $function_base . 'admin_title';
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}
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else {
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$plugin['admin title'] = $plugin['title'];
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}
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}
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if (empty($plugin['admin info']) && function_exists($function_base . 'admin_info')) {
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$plugin['admin info'] = $function_base . 'admin_info';
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}
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if (!isset($plugin['edit form']) && function_exists($function_base . 'edit_form')) {
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$plugin['edit form'] = $function_base . 'edit_form';
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}
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if (!isset($plugin['add form']) && function_exists($function_base . 'add_form')) {
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$plugin['add form'] = $function_base . 'add_form';
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}
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if (!isset($plugin['add form']) && function_exists($function_base . 'edit_form')) {
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$plugin['add form'] = $function_base . 'edit_form';
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}
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if (!isset($plugin['description'])) {
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$plugin['description'] = '';
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}
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if (!isset($plugin['icon'])) {
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$plugin['icon'] = ctools_content_admin_icon($plugin);
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}
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// Another ease of use check:
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if (!isset($plugin['content types'])) {
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// If a subtype plugin exists, try to use it. Otherwise assume single.
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if (function_exists($function_base . 'content_types')) {
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$plugin['content types'] = $function_base . 'content_types';
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}
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else {
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$type = array(
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'title' => $plugin['title'],
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'description' => $plugin['description'],
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'icon' => ctools_content_admin_icon($plugin),
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'category' => $plugin['category'],
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);
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if (isset($plugin['required context'])) {
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$type['required context'] = $plugin['required context'];
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}
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if (isset($plugin['top level'])) {
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$type['top level'] = $plugin['top level'];
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}
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$plugin['content types'] = array($plugin['name'] => $type);
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if (!isset($plugin['single'])) {
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$plugin['single'] = TRUE;
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}
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}
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}
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}
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/**
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* Fetch metadata on a specific content_type plugin.
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*
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* @param $content type
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* Name of a panel content type.
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*
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* @return
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* An array with information about the requested panel content type.
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*/
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function ctools_get_content_type($content_type) {
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ctools_include('context');
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ctools_include('plugins');
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return ctools_get_plugins('ctools', 'content_types', $content_type);
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}
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/**
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* Fetch metadata for all content_type plugins.
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*
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* @return
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* An array of arrays with information about all available panel content types.
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*/
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function ctools_get_content_types() {
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ctools_include('context');
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ctools_include('plugins');
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return ctools_get_plugins('ctools', 'content_types');
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}
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/**
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* Get all of the individual subtypes provided by a given content type. This
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* would be all of the blocks for the block type, or all of the views for
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* the view type.
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*
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* @param $type
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* The content type to load.
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*
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* @return
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* An array of all subtypes available.
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*/
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function ctools_content_get_subtypes($type) {
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static $cache = array();
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$subtypes = array();
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if (is_array($type)) {
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$plugin = $type;
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}
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else {
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$plugin = ctools_get_content_type($type);
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}
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if (empty($plugin) || empty($plugin['name'])) {
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return;
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}
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if (isset($cache[$plugin['name']])) {
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return $cache[$plugin['name']];
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}
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if (isset($plugin['content types'])) {
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$function = $plugin['content types'];
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if (is_array($function)) {
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$subtypes = $function;
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}
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else if (function_exists($function)) {
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// Cast to array to prevent errors from non-array returns.
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$subtypes = (array) $function($plugin);
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}
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}
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// Walk through the subtypes and ensure minimal settings are
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// retained.
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foreach ($subtypes as $id => $subtype) {
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// Use exact name since this is a modify by reference.
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ctools_content_prepare_subtype($subtypes[$id], $plugin);
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}
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$cache[$plugin['name']] = $subtypes;
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return $subtypes;
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}
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/**
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* Given a content type and a subtype id, return the information about that
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* content subtype.
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*
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* @param $type
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* The content type being fetched.
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* @param $subtype_id
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* The id of the subtype being fetched.
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*
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* @return
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* An array of information describing the content subtype.
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*/
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function ctools_content_get_subtype($type, $subtype_id) {
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$subtype = array();
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if (is_array($type)) {
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$plugin = $type;
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}
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else {
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$plugin = ctools_get_content_type($type);
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}
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$function = ctools_plugin_get_function($plugin, 'content type');
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if ($function) {
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$subtype = $function($subtype_id, $plugin);
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}
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else {
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$subtypes = ctools_content_get_subtypes($type);
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if (isset($subtypes[$subtype_id])) {
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$subtype = $subtypes[$subtype_id];
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}
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// If there's only 1 and we somehow have the wrong subtype ID, do not
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// care. Return the proper subtype anyway.
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if (empty($subtype) && !empty($plugin['single'])) {
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$subtype = current($subtypes);
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}
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}
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if ($subtype) {
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ctools_content_prepare_subtype($subtype, $plugin);
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}
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return $subtype;
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}
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/**
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* Ensure minimal required settings on a content subtype exist.
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*/
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function ctools_content_prepare_subtype(&$subtype, $plugin) {
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foreach (array('path', 'js', 'css') as $key) {
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if (!isset($subtype[$key]) && isset($plugin[$key])) {
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$subtype[$key] = $plugin[$key];
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}
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}
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drupal_alter('ctools_content_subtype', $subtype, $plugin);
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}
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/**
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* Get the content from a given content type.
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*
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* @param $type
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* The content type. May be the name or an already loaded content type plugin.
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* @param $subtype
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* The name of the subtype being rendered.
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* @param $conf
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* The configuration for the content type.
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* @param $keywords
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* An array of replacement keywords that come from outside contexts.
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* @param $args
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* The arguments provided to the owner of the content type. Some content may
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* wish to configure itself based on the arguments the panel or dashboard
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* received.
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* @param $context
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* An array of context objects available for use.
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* @param $incoming_content
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* Any incoming content, if this display is a wrapper.
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*
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* @return
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* The content as rendered by the plugin. This content should be an array
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* with the following possible keys:
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* - title: The safe to render title of the content.
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* - title_heading: The title heading.
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* - content: The safe to render HTML content.
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* - links: An array of links associated with the content suitable for
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* theme('links').
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* - more: An optional 'more' link (destination only)
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* - admin_links: Administrative links associated with the content, suitable
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* for theme('links').
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* - feeds: An array of feed icons or links associated with the content.
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* Each member of the array is rendered HTML.
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* - type: The content type.
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* - subtype: The content subtype. These two may be used together as
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* module-delta for block style rendering.
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*/
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function ctools_content_render($type, $subtype, $conf, $keywords = array(), $args = array(), $context = array(), $incoming_content = '') {
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if (is_array($type)) {
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$plugin = $type;
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}
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else {
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$plugin = ctools_get_content_type($type);
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}
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$subtype_info = ctools_content_get_subtype($plugin, $subtype);
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$function = ctools_plugin_get_function($subtype_info, 'render callback');
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if (!$function) {
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$function = ctools_plugin_get_function($plugin, 'render callback');
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}
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if ($function) {
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$pane_context = ctools_content_select_context($plugin, $subtype, $conf, $context);
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if ($pane_context === FALSE) {
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return;
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}
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$content = $function($subtype, $conf, $args, $pane_context, $incoming_content);
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if (empty($content)) {
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return;
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}
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// Set up some defaults and other massaging on the content before we hand
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// it back to the caller.
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if (!isset($content->type)) {
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$content->type = $plugin['name'];
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}
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if (!isset($content->subtype)) {
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$content->subtype = $subtype;
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}
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// Override the title if configured to
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if (!empty($conf['override_title'])) {
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// Give previous title as an available substitution here.
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$keywords['%title'] = empty($content->title) ? '' : $content->title;
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$content->original_title = $keywords['%title'];
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$content->title = $conf['override_title_text'];
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$content->title_heading = isset($conf['override_title_heading']) ? $conf['override_title_heading'] : 'h2';
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}
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if (!empty($content->title)) {
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// Perform substitutions
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if (!empty($keywords) || !empty($context)) {
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$content->title = ctools_context_keyword_substitute($content->title, $keywords, $context);
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}
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// Sterilize the title
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$content->title = filter_xss_admin($content->title);
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// If a link is specified, populate.
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if (!empty($content->title_link)) {
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if (!is_array($content->title_link)) {
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$url = array('href' => $content->title_link);
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}
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else {
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$url = $content->title_link;
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}
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// set defaults so we don't bring up notices
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$url += array('href' => '', 'attributes' => array(), 'query' => array(), 'fragment' => '', 'absolute' => NULL, 'html' => TRUE);
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$content->title = l($content->title, $url['href'], $url);
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}
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}
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return $content;
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}
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}
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/**
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* Determine if a content type can be edited or not.
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*
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* Some content types simply have their content and no options. This function
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* lets a UI determine if it should display an edit link or not.
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*/
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function ctools_content_editable($type, $subtype, $conf) {
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if (empty($type['edit form']) && empty($subtype['edit form'])) {
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return FALSE;
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}
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$function = FALSE;
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if (!empty($subtype['check editable'])) {
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$function = ctools_plugin_get_function($subtype, 'check editable');
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}
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elseif (!empty($type['check editable'])) {
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$function = ctools_plugin_get_function($type, 'check editable');
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}
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if ($function) {
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return $function($type, $subtype, $conf);
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}
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return TRUE;
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}
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/**
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* Get the administrative title from a given content type.
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*
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* @param $type
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* The content type. May be the name or an already loaded content type object.
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* @param $subtype
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* The subtype being rendered.
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* @param $conf
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* The configuration for the content type.
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* @param $context
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* An array of context objects available for use. These may be placeholders.
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*/
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function ctools_content_admin_title($type, $subtype, $conf, $context = NULL) {
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if (is_array($type)) {
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$plugin = $type;
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}
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else if (is_string($type)) {
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$plugin = ctools_get_content_type($type);
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}
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else {
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return;
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}
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if ($function = ctools_plugin_get_function($plugin, 'admin title')) {
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$pane_context = ctools_content_select_context($plugin, $subtype, $conf, $context);
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if ($pane_context === FALSE) {
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if ($plugin['name'] == $subtype) {
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return t('@type will not display due to missing context', array('@type' => $plugin['name']));
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}
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return t('@type:@subtype will not display due to missing context', array('@type' => $plugin['name'], '@subtype' => $subtype));
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}
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return $function($subtype, $conf, $pane_context);
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}
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else if (isset($plugin['admin title'])) {
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return $plugin['admin title'];
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}
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else if (isset($plugin['title'])) {
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return $plugin['title'];
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}
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}
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/**
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* Get the proper icon path to use, falling back to default icons if no icon exists.
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*
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* $subtype
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* The loaded subtype info.
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*/
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function ctools_content_admin_icon($subtype) {
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$icon = '';
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if (isset($subtype['icon'])) {
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$icon = $subtype['icon'];
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if (!file_exists($icon)) {
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$icon = $subtype['path'] . '/' . $icon;
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}
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}
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if (empty($icon) || !file_exists($icon)) {
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$icon = ctools_image_path('no-icon.png');
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}
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return $icon;
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}
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/**
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* Set up the default $conf for a new instance of a content type.
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*/
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function ctools_content_get_defaults($plugin, $subtype) {
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if (isset($plugin['defaults'])) {
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$defaults = $plugin['defaults'];
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}
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else if (isset($subtype['defaults'])) {
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$defaults = $subtype['defaults'];
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}
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if (isset($defaults)) {
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if (is_string($defaults) && function_exists($defaults)) {
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if ($return = $defaults($pane)) {
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return $return;
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}
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}
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else if (is_array($defaults)) {
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return $defaults;
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}
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}
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return array();
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}
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/**
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* Get the administrative title from a given content type.
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*
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* @param $type
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* The content type. May be the name or an already loaded content type object.
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* @param $subtype
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* The subtype being rendered.
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* @param $conf
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* The configuration for the content type.
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* @param $context
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* An array of context objects available for use. These may be placeholders.
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*/
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function ctools_content_admin_info($type, $subtype, $conf, $context = NULL) {
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if (is_array($type)) {
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$plugin = $type;
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}
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else {
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$plugin = ctools_get_content_type($type);
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}
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if ($function = ctools_plugin_get_function($plugin, 'admin info')) {
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$output = $function($subtype, $conf, $context);
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}
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if (empty($output) || !is_object($output)) {
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$output = new stdClass();
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// replace the _ with " " for a better output
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$subtype = check_plain(str_replace("_", " ", $subtype));
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$output->title = $subtype;
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$output->content = t('No info available.');
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}
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return $output;
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}
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/**
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* Add the default FAPI elements to the content type configuration form
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*/
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function ctools_content_configure_form_defaults($form, &$form_state) {
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$plugin = $form_state['plugin'];
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$subtype = $form_state['subtype'];
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$contexts = isset($form_state['contexts']) ? $form_state['contexts'] : NULL;
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$conf = $form_state['conf'];
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$add_submit = FALSE;
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if (!empty($subtype['required context']) && is_array($contexts)) {
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$form['context'] = ctools_context_selector($contexts, $subtype['required context'], isset($conf['context']) ? $conf['context'] : array());
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$add_submit = TRUE;
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}
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ctools_include('dependent');
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// Unless we're not allowed to override the title on this content type, add this
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// gadget to all panes.
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if (empty($plugin['no title override']) && empty($subtype['no title override'])) {
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$form['aligner_start'] = array(
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'#markup' => '<div class="option-text-aligner clearfix">',
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);
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$form['override_title'] = array(
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'#type' => 'checkbox',
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'#default_value' => isset($conf['override_title']) ? $conf['override_title'] : '',
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'#title' => t('Override title'),
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'#id' => 'override-title-checkbox',
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);
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$form['override_title_text'] = array(
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'#type' => 'textfield',
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'#default_value' => isset($conf['override_title_text']) ? $conf['override_title_text'] : '',
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'#size' => 35,
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'#id' => 'override-title-textfield',
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'#dependency' => array('override-title-checkbox' => array(1)),
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'#dependency_type' => 'hidden',
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);
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$form['override_title_heading'] = array(
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'#type' => 'select',
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'#default_value' => isset($conf['override_title_heading']) ? $conf['override_title_heading'] : 'h2',
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'#options' => array(
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'h1' => t('h1'),
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'h2' => t('h2'),
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'h3' => t('h3'),
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'h4' => t('h4'),
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'h5' => t('h5'),
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'h6' => t('h6'),
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'div' => t('div'),
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'span' => t('span'),
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|
),
|
|
'#id' => 'override-title-heading',
|
|
'#dependency' => array('override-title-checkbox' => array(1)),
|
|
'#dependency_type' => 'hidden',
|
|
);
|
|
|
|
$form['aligner_stop'] = array(
|
|
'#markup' => '</div>',
|
|
);
|
|
if (is_array($contexts)) {
|
|
$form['override_title_markup'] = array(
|
|
'#prefix' => '<div class="description">',
|
|
'#suffix' => '</div>',
|
|
'#markup' => t('You may use %keywords from contexts, as well as %title to contain the original title.'),
|
|
);
|
|
}
|
|
$add_submit = TRUE;
|
|
}
|
|
|
|
if ($add_submit) {
|
|
// '#submit' is already set up due to the wizard.
|
|
$form['#submit'][] = 'ctools_content_configure_form_defaults_submit';
|
|
}
|
|
return $form;
|
|
}
|
|
|
|
/**
|
|
* Submit handler to store context/title override info.
|
|
*/
|
|
function ctools_content_configure_form_defaults_submit(&$form, &$form_state) {
|
|
if (isset($form_state['values']['context'])) {
|
|
$form_state['conf']['context'] = $form_state['values']['context'];
|
|
}
|
|
if (isset($form_state['values']['override_title'])) {
|
|
$form_state['conf']['override_title'] = $form_state['values']['override_title'];
|
|
$form_state['conf']['override_title_text'] = $form_state['values']['override_title_text'];
|
|
$form_state['conf']['override_title_heading'] = $form_state['values']['override_title_heading'];
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get the config form.
|
|
*
|
|
* The $form_info and $form_state need to be preconfigured with data you'll need
|
|
* such as whether or not you're using ajax, or the modal. $form_info will need
|
|
* your next/submit callbacks so that you can cache your data appropriately.
|
|
*
|
|
* @return
|
|
* If this function returns false, no form exists.
|
|
*/
|
|
function ctools_content_form($op, $form_info, &$form_state, $plugin, $subtype_name, $subtype, &$conf, $step = NULL) {
|
|
$form_state += array(
|
|
'plugin' => $plugin,
|
|
'subtype' => $subtype,
|
|
'subtype_name' => $subtype_name,
|
|
'conf' => &$conf,
|
|
'op' => $op,
|
|
);
|
|
|
|
$form_info += array(
|
|
'id' => 'ctools_content_form',
|
|
'show back' => TRUE,
|
|
);
|
|
|
|
// Turn the forms defined in the plugin into the format the wizard needs.
|
|
if ($op == 'add') {
|
|
if (!empty($subtype['add form'])) {
|
|
_ctools_content_create_form_info($form_info, $subtype['add form'], $subtype, $subtype, $op);
|
|
}
|
|
else if (!empty($plugin['add form'])) {
|
|
_ctools_content_create_form_info($form_info, $plugin['add form'], $plugin, $subtype, $op);
|
|
}
|
|
}
|
|
|
|
if (empty($form_info['order'])) {
|
|
// Use the edit form for the add form if add form was completely left off.
|
|
if (!empty($subtype['edit form'])) {
|
|
_ctools_content_create_form_info($form_info, $subtype['edit form'], $subtype, $subtype, $op);
|
|
}
|
|
else if (!empty($plugin['edit form'])) {
|
|
_ctools_content_create_form_info($form_info, $plugin['edit form'], $plugin, $subtype, $op);
|
|
}
|
|
}
|
|
|
|
if (empty($form_info['order'])) {
|
|
return FALSE;
|
|
}
|
|
|
|
ctools_include('wizard');
|
|
return ctools_wizard_multistep_form($form_info, $step, $form_state);
|
|
|
|
}
|
|
|
|
function _ctools_content_create_form_info(&$form_info, $info, $plugin, $subtype, $op) {
|
|
if (is_string($info)) {
|
|
if (empty($subtype['title'])) {
|
|
$title = t('Configure');
|
|
}
|
|
else if ($op == 'add') {
|
|
$title = t('Configure new !subtype_title', array('!subtype_title' => $subtype['title']));
|
|
}
|
|
else {
|
|
$title = t('Configure !subtype_title', array('!subtype_title' => $subtype['title']));
|
|
}
|
|
$form_info['order'] = array('form' => $title);
|
|
$form_info['forms'] = array(
|
|
'form' => array(
|
|
'title' => $title,
|
|
'form id' => $info,
|
|
'wrapper' => 'ctools_content_configure_form_defaults',
|
|
),
|
|
);
|
|
}
|
|
else if (is_array($info)) {
|
|
$form_info['order'] = array();
|
|
$form_info['forms'] = array();
|
|
$count = 0;
|
|
$base = 'step';
|
|
$wrapper = NULL;
|
|
foreach ($info as $form_id => $title) {
|
|
// @todo -- docs say %title can be used to sub for the admin title.
|
|
$step = $base . ++$count;
|
|
if (empty($wrapper)) {
|
|
$wrapper = $step;
|
|
}
|
|
|
|
if (is_array($title)) {
|
|
if (!empty($title['default'])) {
|
|
$wrapper = $step;
|
|
}
|
|
$title = $title['title'];
|
|
}
|
|
|
|
$form_info['order'][$step] = $title;
|
|
$form_info['forms'][$step] = array(
|
|
'title' => $title,
|
|
'form id' => $form_id,
|
|
);
|
|
}
|
|
if ($wrapper) {
|
|
$form_info['forms'][$wrapper]['wrapper'] = 'ctools_content_configure_form_defaults';
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get an array of all available content types that can be fed into the
|
|
* display editor for the add content list.
|
|
*
|
|
* @param $context
|
|
* If a context is provided, content that requires that context can apepar.
|
|
* @param $has_content
|
|
* Whether or not the display will have incoming content
|
|
* @param $allowed_types
|
|
* An array of allowed content types (pane types) keyed by content_type . '-' . sub_type
|
|
* @param $default_types
|
|
* A default allowed/denied status for content that isn't known about
|
|
*/
|
|
function ctools_content_get_available_types($contexts = NULL, $has_content = FALSE, $allowed_types = NULL, $default_types = NULL) {
|
|
$plugins = ctools_get_content_types();
|
|
$available = array();
|
|
|
|
foreach ($plugins as $id => $plugin) {
|
|
foreach (ctools_content_get_subtypes($plugin) as $subtype_id => $subtype) {
|
|
// exclude items that require content if we're saying we don't
|
|
// provide it.
|
|
if (!empty($subtype['requires content']) && !$has_content) {
|
|
continue;
|
|
}
|
|
|
|
// Check to see if the content type can be used in this context.
|
|
if (!empty($subtype['required context'])) {
|
|
if (!ctools_context_match_requirements($contexts, $subtype['required context'])) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Check to see if the passed-in allowed types allows this content.
|
|
if ($allowed_types) {
|
|
$key = $id . '-' . $subtype_id;
|
|
if (!isset($allowed_types[$key])) {
|
|
$allowed_types[$key] = isset($default_types[$id]) ? $default_types[$id] : $default_types['other'];
|
|
}
|
|
if (!$allowed_types[$key]) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// Check if the content type provides an access callback.
|
|
if (isset($subtype['create content access']) && function_exists($subtype['create content access']) && !$subtype['create content access']($plugin, $subtype)) {
|
|
continue;
|
|
}
|
|
|
|
// If we made it through all the tests, then we can use this content.
|
|
$available[$id][$subtype_id] = $subtype;
|
|
}
|
|
}
|
|
return $available;
|
|
}
|
|
|
|
/**
|
|
* Get an array of all content types that can be fed into the
|
|
* display editor for the add content list, regardless of
|
|
* availability.
|
|
*
|
|
*/
|
|
function ctools_content_get_all_types() {
|
|
$plugins = ctools_get_content_types();
|
|
$available = array();
|
|
|
|
foreach ($plugins as $id => $plugin) {
|
|
foreach (ctools_content_get_subtypes($plugin) as $subtype_id => $subtype) {
|
|
// If we made it through all the tests, then we can use this content.
|
|
$available[$id][$subtype_id] = $subtype;
|
|
}
|
|
}
|
|
return $available;
|
|
}
|
|
|
|
/**
|
|
* Select the context to be used for a piece of content, based upon config.
|
|
*
|
|
* @param $plugin
|
|
* The content plugin
|
|
* @param $subtype
|
|
* The subtype of the content.
|
|
* @param $conf
|
|
* The configuration array that should contain the context.
|
|
* @param $contexts
|
|
* A keyed array of available contexts.
|
|
*
|
|
* @return
|
|
* The matching contexts or NULL if none or necessary, or FALSE if
|
|
* requirements can't be met.
|
|
*/
|
|
function ctools_content_select_context($plugin, $subtype, $conf, $contexts) {
|
|
// Identify which of our possible contexts apply.
|
|
if (empty($subtype)) {
|
|
return;
|
|
}
|
|
|
|
$subtype_info = ctools_content_get_subtype($plugin, $subtype);
|
|
if (empty($subtype_info)) {
|
|
return;
|
|
}
|
|
|
|
if (!empty($subtype_info['all contexts']) || !empty($plugin['all contexts'])) {
|
|
return $contexts;
|
|
}
|
|
|
|
// If the content requires a context, fetch it; if no context is returned,
|
|
// do not display the pane.
|
|
if (empty($subtype_info['required context'])) {
|
|
return;
|
|
}
|
|
|
|
// Deal with dynamic required contexts not getting updated in the panes.
|
|
// For example, Views let you dynamically change context info. While
|
|
// we cannot be perfect, one thing we can do is if no context at all
|
|
// was asked for, and then was later added but none is selected, make
|
|
// a best guess as to what context should be used. THis is right more
|
|
// than it's wrong.
|
|
if (is_array($subtype_info['required context'])) {
|
|
if (empty($conf['context']) || count($subtype_info['required context']) != count($conf['context'])) {
|
|
foreach ($subtype_info['required context'] as $index => $required) {
|
|
if (!isset($conf['context'][$index])) {
|
|
$filtered = ctools_context_filter($contexts, $required);
|
|
if ($filtered) {
|
|
$keys = array_keys($filtered);
|
|
$conf['context'][$index] = array_shift($keys);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if (empty($conf['context'])) {
|
|
$filtered = ctools_context_filter($contexts, $subtype_info['required context']);
|
|
if ($filtered) {
|
|
$keys = array_keys($filtered);
|
|
$conf['context'] = array_shift($keys);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (empty($conf['context'])) {
|
|
return;
|
|
}
|
|
|
|
$context = ctools_context_select($contexts, $subtype_info['required context'], $conf['context']);
|
|
|
|
return $context;
|
|
}
|
|
|
|
/**
|
|
* Fetch a piece of content from the addressable content system.
|
|
*
|
|
* @param $address
|
|
* A string or an array representing the address of the content.
|
|
* @param $type
|
|
* The type of content to return. The type is dependent on what
|
|
* the content actually is. The default, 'content' means a simple
|
|
* string representing the content. However, richer systems may
|
|
* offer more options. For example, Panels might allow the
|
|
* fetching of 'display' and 'pane' objects. Page Manager
|
|
* might allow for the fetching of 'task_handler' objects
|
|
* (AKA variants).
|
|
*/
|
|
function ctools_get_addressable_content($address, $type = 'content') {
|
|
if (!is_array($address)) {
|
|
$address = explode('::', $address);
|
|
}
|
|
|
|
if (!$address) {
|
|
return;
|
|
}
|
|
|
|
// This removes the module from the address so the
|
|
// implementor is not responsible for that part.
|
|
$module = array_shift($address);
|
|
return module_invoke($module, 'addressable_content', $address, $type);
|
|
}
|