Handles the server side AJAX interactions of Views.
<?php
/**
* @file
* Handles the server side AJAX interactions of Views.
*/
use Symfony\Component\HttpFoundation\JsonResponse;
use Drupal\views\Ajax\HighlightCommand;
use Drupal\views\Ajax\SetFormCommand;
use Drupal\Core\Ajax\ReplaceCommand;
use Drupal\views\Ajax\ScrollTopCommand;
use Drupal\views\Ajax\ViewAjaxResponse;
use Drupal\Core\Ajax\AjaxResponse;
/**
* @defgroup views_ajax Views AJAX library
* @{
* Handles the server side AJAX interactions of Views.
*/
/**
* Menu callback to load a view via AJAX.
*/
function views_ajax() {
$request = drupal_container()
->get('request');
$name = $request->request
->get('view_name');
$display_id = $request->request
->get('view_display_id');
if (isset($name) && isset($display_id)) {
$args = $request->request
->get('view_args');
$args = isset($args) && $args !== '' ? explode('/', $args) : array();
$path = $request->request
->get('view_path');
$dom_id = $request->request
->get('view_dom_id');
$dom_id = isset($dom_id) ? preg_replace('/[^a-zA-Z0-9_-]+/', '-', $dom_id) : NULL;
$pager_element = $request->request
->get('pager_element');
$pager_element = isset($pager_element) ? intval($pager_element) : NULL;
$response = new ViewAjaxResponse();
// Remove all of this stuff from the query of the request so it doesn't end
// up in pagers and tablesort URLs.
foreach (array(
'view_name',
'view_display_id',
'view_args',
'view_path',
'view_dom_id',
'pager_element',
'view_base_path',
'ajax_html_ids',
'ajax_page_state',
) as $key) {
if ($request->query
->has($key)) {
$request->query
->remove($key);
}
if ($request->request
->has($key)) {
$request->request
->remove($key);
}
}
// Load the view.
$view = views_get_view($name);
if ($view && $view
->access($display_id)) {
// Fix the current path for paging.
if (!empty($path)) {
_current_path($path);
}
// Add all $_POST data, because AJAX is always a post and many things,
// such as tablesorts, exposed filters and paging assume $_GET.
$request_all = $request->request
->all();
$query_all = $request->query
->all();
$request->query
->replace($request_all + $query_all);
// Overwrite the destination.
// @see drupal_get_destination()
$origin_destination = $path;
$query = drupal_http_build_query($request->query
->all());
if ($query != '') {
$origin_destination .= '?' . $query;
}
$destination =& drupal_static('drupal_get_destination');
$destination = array(
'destination' => $origin_destination,
);
// Override the display's pager_element with the one actually used.
if (isset($pager_element)) {
$response
->addCommand(new ScrollTopCommand(".view-dom-id-{$dom_id}"));
$view->displayHandlers
->get($display_id)
->setOption('pager_element', $pager_element);
}
// Reuse the same DOM id so it matches that in Drupal.settings.
$view->dom_id = $dom_id;
$preview = $view
->preview($display_id, $args);
$response
->addCommand(new ReplaceCommand(".view-dom-id-{$dom_id}", drupal_render($preview)));
}
return $response;
}
}
/**
* Wrapper around drupal_build_form to handle some AJAX stuff automatically.
* This makes some assumptions about the client.
*/
function views_ajax_form_wrapper($form_id, &$form_state) {
// This won't override settings already in.
$form_state += array(
'rerender' => FALSE,
'no_redirect' => !empty($form_state['ajax']),
'no_cache' => TRUE,
'build_info' => array(
'args' => array(),
),
);
$form = drupal_build_form($form_id, $form_state);
$output = drupal_render($form);
// These forms have the title built in, so set the title here:
if (empty($form_state['ajax']) && !empty($form_state['title'])) {
drupal_set_title($form_state['title']);
drupal_add_css(drupal_get_path('module', 'views_ui') . '/css/views_ui.admin.css');
}
if (!empty($form_state['ajax']) && (empty($form_state['executed']) || !empty($form_state['rerender']))) {
// If the form didn't execute and we're using ajax, build up a
// Ajax command list to execute.
$response = new AjaxResponse();
$display = '';
$status_messages = array(
'#theme' => 'status_messages',
);
if ($messages = drupal_render($status_messages)) {
$display = '<div class="views-messages">' . $messages . '</div>';
}
$display .= $output;
$title = empty($form_state['title']) ? '' : $form_state['title'];
$url = empty($form_state['url']) ? url(current_path(), array(
'absolute' => TRUE,
)) : $form_state['url'];
$response
->addCommand(new SetFormCommand($display, $title, $url));
if (!empty($form_state['#section'])) {
$response
->addCommand(new HighlightCommand('.' . drupal_clean_css_identifier($form_state['#section'])));
}
return $response;
}
// These forms have the title built in, so set the title here:
if (empty($form_state['ajax']) && !empty($form_state['title'])) {
drupal_set_title($form_state['title']);
}
return $output;
}
/**
* Page callback for views taxonomy autocomplete.
*
* @param $vid
* The vocabulary id of the tags which should be returned.
*
* @see taxonomy_autocomplete()
*/
function views_ajax_autocomplete_taxonomy($vid) {
// The user enters a comma-separated list of tags. We only autocomplete the last tag.
$tags_typed = drupal_explode_tags(drupal_container()
->get('request')->query
->get('q'));
$tag_last = drupal_strtolower(array_pop($tags_typed));
$matches = array();
if ($tag_last != '') {
$query = db_select('taxonomy_term_data', 't');
$query
->addTag('term_access');
// Do not select already entered terms.
if (!empty($tags_typed)) {
$query
->condition('t.name', $tags_typed, 'NOT IN');
}
// Select rows that match by term name.
$tags_return = $query
->fields('t', array(
'tid',
'name',
))
->condition('t.vid', $vid)
->condition('t.name', '%' . db_like($tag_last) . '%', 'LIKE')
->range(0, 10)
->execute()
->fetchAllKeyed();
$prefix = count($tags_typed) ? drupal_implode_tags($tags_typed) . ', ' : '';
$term_matches = array();
foreach ($tags_return as $tid => $name) {
$n = $name;
// Term names containing commas or quotes must be wrapped in quotes.
if (strpos($name, ',') !== FALSE || strpos($name, '"') !== FALSE) {
$n = '"' . str_replace('"', '""', $name) . '"';
}
// Add term name to list of matches.
$term_matches[$prefix . $n] = check_plain($name);
}
}
return new JsonResponse($term_matches);
}
/**
* @}
*/
Name | Description |
---|---|
views_ajax | Menu callback to load a view via AJAX. |
views_ajax_autocomplete_taxonomy | Page callback for views taxonomy autocomplete. |
views_ajax_form_wrapper | Wrapper around drupal_build_form to handle some AJAX stuff automatically. This makes some assumptions about the client. |