2016-10-13 12:10:40 +02:00

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<?php
/**
* @file panels_mini.module
*
* This module provides mini panels which are basically panels that can be
* used within blocks or other panels.
*/
/**
* Implementation of hook_permission().
*/
function panels_mini_permission() {
return array(
'create mini panels' => array(
'title' => t('Create mini panels'),
'description' => t('Create new mini panels'),
),
'administer mini panels' => array(
'title' => t('Administer mini panels'),
'description' => t('Edit and delete mini panels'),
),
);
}
/**
* Implementation of hook_menu().
*/
function panels_mini_menu() {
// Safety: go away if CTools is not at an appropriate version.
if (!defined('PANELS_REQUIRED_CTOOLS_API') || !module_invoke('ctools', 'api_version', PANELS_REQUIRED_CTOOLS_API)) {
return array();
}
$items['admin/structure/mini-panels/settings'] = array(
'title' => 'Settings',
'page callback' => 'panels_mini_settings',
'access arguments' => array('create mini panels'),
'type' => MENU_LOCAL_TASK,
);
// Also provide settings on the main panel UI
$items['admin/structure/panels/settings/panels-mini'] = array(
'title' => 'Mini panels',
'page callback' => 'panels_mini_settings',
'access arguments' => array('create mini panels'),
'type' => MENU_LOCAL_TASK,
);
return $items;
}
/**
* Settings for mini panels.
*/
function panels_mini_settings() {
ctools_include('common', 'panels');
return drupal_get_form('panels_common_settings', 'panels_mini');
}
// ---------------------------------------------------------------------------
// Allow the rest of the system access to mini panels
/**
* Implementation of hook_block_info().
*/
function panels_mini_block_info() {
// Safety: go away if CTools is not at an appropriate version.
if (!defined('PANELS_REQUIRED_CTOOLS_API') || !module_invoke('ctools', 'api_version', PANELS_REQUIRED_CTOOLS_API)) {
return array();
}
$blocks = array();
$minis = panels_mini_load_all();
foreach ($minis as $panel_mini) {
if (empty($panel_mini->disabled) && (module_exists('page_manager') || empty($panel_mini->requiredcontexts))) {
$blocks[$panel_mini->name] = array(
'info' => t('Mini panel: "@title"', array('@title' => $panel_mini->admin_title)),
'cache' => DRUPAL_NO_CACHE,
);
}
}
return $blocks;
}
/**
* Implementation of hook_block_view().
*
* @see panels_mini_panels_mini_content_type_render().
*/
function panels_mini_block_view($delta = 0) {
// static recursion protection.
static $viewing = array();
if (!empty($viewing[$delta])) {
return;
}
$viewing[$delta] = TRUE;
$panel_mini = panels_mini_load($delta);
if (empty($panel_mini)) {
// Bail out early if the specified mini panel doesn't exist.
return;
}
ctools_include('context');
$contexts = array();
if (module_exists('page_manager') && $current_page = page_manager_get_current_page()) {
if (!empty($current_page['contexts'])) {
$contexts = ctools_context_match_required_contexts($panel_mini->requiredcontexts, $current_page['contexts']);
}
}
drupal_alter('panels_mini_block_contexts', $contexts, $panel_mini);
$panel_mini->context = $panel_mini->display->context = ctools_context_load_contexts($panel_mini, FALSE, $contexts);
$panel_mini->display->css_id = panels_mini_get_id($panel_mini->name);
$panel_mini->display->owner = $panel_mini;
$block = array();
$block['content'] = panels_render_display($panel_mini->display);
$block['subject'] = $panel_mini->display->get_title();
unset($viewing[$delta]);
return $block;
}
/**
* Implementation of hook_block_configure().
*/
function panels_mini_block_configure($delta = 0) {
return array(
'admin_shortcut' => array(
'#markup' => l(t('Manage this mini-panel'), 'admin/structure/mini-panels/list/' . $delta . '/edit')
),
);
}
/**
* Implements hook_block_list_alter().
*
* Remove the block if the required contexts are not available.
*/
function panels_mini_block_list_alter(&$blocks) {
if (module_exists('page_manager')) {
$current_page = page_manager_get_current_page();
}
// Load add at once to save time.
panels_mini_load_all();
foreach ($blocks as $key => $block) {
if ($block->module != 'panels_mini') {
// This block was added by a contrib module, leave it in the list.
continue;
}
$panel_mini = panels_mini_load($block->delta);
if (empty($panel_mini)) {
// Bail out early if the specified mini panel doesn't exist.
unset($blocks[$key]);
continue;
}
if (!empty($panel_mini->requiredcontexts)) {
if (!$current_page || empty($current_page['contexts'])) {
unset($blocks[$key]);
continue;
}
else {
$required = array();
foreach ($panel_mini->requiredcontexts as $context) {
$info = ctools_get_context($context['name']);
$required[] = new ctools_context_required($context['identifier'], $info['context name']);
}
if (!ctools_context_match_requirements($current_page['contexts'], $required)) {
unset($blocks[$key]);
continue;
}
}
}
}
}
/**
* Implements hook_get_pane_links_alter().
*/
function panels_mini_get_pane_links_alter(&$links, $pane, $content_type) {
if ($pane->type == 'panels_mini') {
$links['top']['edit_panels_mini'] = array(
'title' => t('Edit mini panel'),
'href' => url('admin/structure/mini-panels/list/' . $pane->subtype . '/edit/content', array('absolute' => TRUE)),
'attributes' => array('target' => array('_blank')),
);
}
}
/**
* Implements hook_contextual_links_view_alter().
*/
function panels_mini_contextual_links_view_alter(&$element, $items) {
// Add contextual links to all mini panel blocks with bid property.
if (isset($element['#element']['#block']) && isset($element['#element']['#block']->bid) && strpos((string) $element['#element']['#block']->bid, 'panels_mini') === 0) {
$admin_pages = array(
t('Configure mini panel settings') => 'basic',
t('Configure mini panel context') => 'context',
t('Configure mini panel layout') => 'layout',
t('Configure mini panel content') => 'content',
);
foreach ($admin_pages as $title => $tail) {
$element['#links']['mini-panels-' . $tail] = array(
'title' => $title,
'href' => 'admin/structure/mini-panels/list/' . $element['#element']['#block']->delta . '/edit/' . $tail,
'query' => drupal_get_destination(),
);
}
}
}
/**
* Statically store all used IDs to ensure all mini panels get a unique id.
*/
function panels_mini_get_id($name) {
$id_cache = &drupal_static(__FUNCTION__, array());
$id = 'mini-panel-' . $name;
if (!empty($id_cache[$name])) {
$id .= "-" . $id_cache[$name]++;
}
else {
$id_cache[$name] = 1;
}
return $id;
}
// ---------------------------------------------------------------------------
// Database functions.
/**
* Create a new page with defaults appropriately set from schema.
*/
function panels_mini_new($set_defaults = TRUE) {
ctools_include('export');
return ctools_export_new_object('panels_mini', $set_defaults);
}
/**
* Load a single mini panel.
*/
function panels_mini_load($name) {
$cache = &drupal_static('panels_mini_load_all', array());
// We use array_key_exists because failed loads will be NULL and
// isset() will try to load it again.
if (!array_key_exists($name, $cache)) {
$cid = 'panels_mini_load:' . $name;
$result = cache_get($cid, 'cache_panels');
if (!empty($result->data)) {
$cache[$name] = $result->data;
}
else {
ctools_include('export');
$result = ctools_export_load_object('panels_mini', 'names', array($name));
if (isset($result[$name])) {
if (empty($result[$name]->display)) {
$result[$name]->display = panels_load_display($result[$name]->did);
if (!empty($result[$name]->title) && empty($result[$name]->display->title)) {
$result[$name]->display->title = $result[$name]->title;
}
}
$cache[$name] = $result[$name];
if (!empty($result[$name]->title) && empty($result[$name]->admin_title)) {
$cache[$name]->admin_title = $result[$name]->title;
}
cache_set($cid, $cache[$name], 'cache_panels', CACHE_TEMPORARY);
}
else {
$cache[$name] = NULL;
}
}
}
if (isset($cache[$name])) {
return $cache[$name];
}
}
/**
* Load all mini panels.
*/
function panels_mini_load_all($reset = FALSE) {
$cache = &drupal_static('panels_mini_load_all', array());
static $all_loaded = FALSE;
// We check our own private static because individual minis could have
// been loaded prior to load all and we need to know that.
if (!$all_loaded || $reset) {
$all_loaded = TRUE;
if ($reset) {
$cache = array();
}
else {
$panel_names = db_select('panels_mini', 'pm')
->fields('pm', array('name'))
->execute();
$cids = array();
foreach ($panel_names as $name) {
$cids[] = 'panels_mini_load:' . $name->name;
}
$output = cache_get_multiple($cids, 'cache_panels');
foreach ($output as $mini) {
if (!empty($mini->data)) {
$mini = $mini->data;
$cache[$mini->name] = $mini;
}
}
}
ctools_include('export');
$minis = ctools_export_load_object('panels_mini');
$dids = array();
foreach ($minis as $mini) {
if (empty($cache[$mini->name])) {
if (!empty($mini->did)) {
$dids[$mini->did] = $mini->name;
}
else {
// Translate old style titles into new titles.
if (!empty($mini->title) && empty($mini->display->title)) {
$mini->display->title = $mini->title;
}
}
// Translate old style titles into new titles.
if (isset($mini->title) && empty($mini->admin_title)) {
$mini->admin_title = $mini->title;
}
$cache[$mini->name] = $mini;
}
}
$displays = panels_load_displays(array_keys($dids));
foreach ($displays as $did => $display) {
if (!empty($cache[$dids[$did]]->title) && empty($display->title)) {
$display->title = $cache[$dids[$did]]->title;
}
$cache[$dids[$did]]->display = $display;
}
}
// Strip out NULL entries that may have been added by panels_mini_load().
return array_filter($cache);
}
/**
* Write a mini panel to the database.
*/
function panels_mini_save(&$mini) {
if (!empty($mini->display)) {
$mini->display->storage_id = $mini->name;
$display = panels_save_display($mini->display);
$mini->did = $display->did;
}
// Clear the panels_mini_load cache.
cache_clear_all('panels_mini_load:', 'cache_panels', TRUE);
$update = (isset($mini->pid) && $mini->pid != 'new') ? array('pid') : array();
drupal_write_record('panels_mini', $mini, $update);
return $mini;
}
/**
* Remove a mini panel.
*/
function panels_mini_delete($mini) {
db_delete('panels_mini')
->condition('name', $mini->name)
->execute();
if (db_table_exists('block') && $mini->type != t('Overridden')) {
// Also remove from block table as long as there isn't a default that may appear.
db_delete('block')
->condition('delta', $mini->name)
->condition('module', 'panels_mini')
->execute();
}
return panels_delete_display($mini->did);
}
/**
* Export a mini panel.
*/
function panels_mini_export($mini, $indent = '') {
ctools_include('export');
$output = ctools_export_object('panels_mini', $mini, $indent);
// Export the primary display
$display = !empty($mini->display) ? $mini->display : panels_load_display($mini->did);
$output .= panels_export_display($display, $indent);
$output .= $indent . '$mini->display = $display' . ";\n";
return $output;
}
/**
* Remove the block version of mini panels from being available content types.
*/
function panels_mini_ctools_block_info($module, $delta, &$info) {
$info = NULL;
}
/**
* Implementation of hook_ctools_plugin_directory() to let the system know
* we implement task and task_handler plugins.
*/
function panels_mini_ctools_plugin_directory($module, $plugin) {
if ($module == 'ctools' && ($plugin == 'content_types' || $plugin == 'export_ui')) {
return 'plugins/' . $plugin;
}
if ($module == 'panels' && $plugin == 'panels_storage') {
return 'plugins/' . $plugin;
}
}
/**
* Implements hook_default_panels_mini_alter().
*
* If a default Panels display has no storage type, set it.
*/
function panels_default_panels_mini_alter(&$mini_panels) {
foreach ($mini_panels as &$mini_panel) {
$display =& $mini_panel->display;
if (empty($display->storage_type)) {
$display->storage_type = 'panels_mini';
$display->storage_id = $mini_panel->name;
}
}
}
/**
* Get the display cache for the panels_mini plugin.
*/
function _panels_mini_panels_cache_get($key) {
ctools_include('export-ui');
$plugin = ctools_get_export_ui('panels_mini');
$handler = ctools_export_ui_get_handler($plugin);
if (!$handler) {
return;
}
$item = $handler->edit_cache_get($key);
if (!$item) {
$item = ctools_export_crud_load($handler->plugin['schema'], $key);
}
return array($handler, $item);
}
/**
* Get display edit cache for the panels mini export UI
*
* The key is the second half of the key in this form:
* panels_mini:TASK_NAME:HANDLER_NAME;
*/
function panels_mini_panels_cache_get($key) {
ctools_include('common', 'panels');
list($handler, $item) = _panels_mini_panels_cache_get($key);
if (isset($item->mini_panels_display_cache)) {
return $item->mini_panels_display_cache;
}
$cache = new stdClass();
$cache->display = $item->display;
$cache->display->context = ctools_context_load_contexts($item);
$cache->display->cache_key = 'panels_mini:' . $key;
$cache->display->storage_type = 'panels_mini';
// Temporary storage id that's replaced in panels_mini_save().
$cache->display->storage_id = 'panels_mini';
$cache->content_types = panels_common_get_allowed_types('panels_mini', $cache->display->context);
$cache->display_title = TRUE;
// @TODO support locking
$cache->locked = FALSE;
return $cache;
}
/**
* Store a display edit in progress in the page cache.
*/
function panels_mini_panels_cache_set($key, $cache) {
list($handler, $item) = _panels_mini_panels_cache_get($key);
$item->mini_panels_display_cache = $cache;
$handler->edit_cache_set_key($item, $key);
}
/**
* Save all changes made to a display using the panels mini UI cache.
*/
function panels_mini_panels_cache_clear($key, $cache) {
list($handler, $item) = _panels_mini_panels_cache_get($key);
$handler->edit_cache_clear($item);
}
/**
* Save all changes made to a display using the panels mini UI cache.
*/
function panels_mini_panels_cache_save($key, $cache) {
list($handler, $item) = _panels_mini_panels_cache_get($key);
$item->display = $cache->display;
panels_mini_save($item);
$handler->edit_cache_clear($item);
}
/**
* Break the lock on a panels mini page.
*/
function panels_mini_panels_cache_break_lock($key, $cache) {
}
/**
* Implements hook_panels_pre_render().
*/
function panels_mini_panels_pre_render($display, $renderer) {
if (isset($display->owner->table) && $display->owner->table == 'panels_mini' && $renderer instanceof panels_renderer_standard) {
$renderer->show_empty_layout = FALSE;
}
}
/**
* Implementation of hook_panels_dashboard_blocks().
*
* Adds mini panels information to the Panels dashboard.
*/
function panels_mini_panels_dashboard_blocks(&$vars) {
$vars['links']['panels_mini'] = array(
'title' => l(t('Mini panel'), 'admin/structure/mini-panels/add'),
'description' => t('Mini panels are small content areas exposed as blocks, for when you need to have complex block layouts or layouts within layouts.'),
'weight' => -1,
);
// Load all mini panels and their displays.
$panel_minis = panels_mini_load_all();
$count = 0;
$rows = array();
foreach ($panel_minis as $panel_mini) {
$rows[] = array(
check_plain($panel_mini->admin_title),
array(
'data' => l(t('Edit'), "admin/structure/mini-panels/list/$panel_mini->name/edit"),
'class' => 'links',
),
);
// Only show 10.
if (++$count >= 10) {
break;
}
}
if ($rows) {
$content = theme('table', array('rows' => $rows, 'attributes' => array('class' => 'panels-manage')));
}
else {
$content = '<p>' . t('There are no mini panels.') . '</p>';
}
$vars['blocks']['panels_mini'] = array(
'weight' => -100,
'title' => t('Manage mini panels'),
'link' => l(t('Go to list'), 'admin/structure/mini-panels'),
'content' => $content,
'class' => 'dashboard-mini-panels',
'section' => 'left',
);
}
/**
* Implements template_preprocess_ctools_wizard_trail().
*
* Customize the divider used in the CTools wizard to build the edit pages for
* Mini Panels as a stop-gap measure until the UX can be completely re-done.
*/
function panels_mini_preprocess_ctools_wizard_trail(&$variables) {
$variables['divider'] = ' | ';
drupal_add_css(drupal_get_path('module', 'panels_mini') . '/panels_mini.css');
}