function layotter_make_search_dump($data, $raw_post)
{
$post_id = $raw_post['ID'];
// don't change anything if not editing a Layotter-enabled post
if (!Layotter::is_enabled_for_post($post_id) or !isset($raw_post['layotter_json'])) {
return $data;
}
// copy JSON from POST and strip slashes that were added by Wordpress
$json = $raw_post['layotter_json'];
$unslashed_json = stripslashes_deep($json);
// turn JSON into post content HTML
$layotter_post = new Layotter_Post($unslashed_json);
$content = $layotter_post->get_frontend_view();
// save JSON to a custom field (oddly enough, Wordpress breaks JSON if it's stripslashed)
update_post_meta($post_id, 'layotter_json', $json);
// insert spaces to prevent <p>foo</p><p>bar</p> becoming "foobar" instead of "foo bar"
// then strip all tags except <img>
// then remove excess whitespace
$spaced_content = str_replace('<', ' <', $content);
$clean_content = strip_tags($spaced_content, '<img>');
$normalized_content = trim($clean_content);
if (function_exists('mb_ereg_replace')) {
$normalized_content = mb_ereg_replace('/\\s+/', ' ', $normalized_content);
}
// wrap search dump with a [layotter] shortcode and return modified post data to be saved to the database
// add the post ID because otherwise the shortcode handler would have no reliable way to get the post ID through
// which the JSON data will be fetched
$shortcoded_content = '[layotter post="' . $post_id . '"]' . $normalized_content . '[/layotter]';
$data['post_content'] = $shortcoded_content;
return $data;
}
function layotter_disable_wpautop($content)
{
if (Layotter::is_enabled_for_post(get_the_ID())) {
remove_filter('the_content', 'wpautop');
}
return $content;
}
function layotter_admin_head()
{
if (!Layotter::is_enabled()) {
return;
}
$post_type = get_post_type();
// remove TinyMCE
remove_post_type_support($post_type, 'editor');
// insert layotter
add_meta_box('layotter_wrapper', 'Layotter', 'layotter_output_interface', $post_type, 'normal', 'high');
}
function layotter_assets_admin_enqueue_scripts()
{
// load assets only if necessary
if (!Layotter::is_enabled()) {
return;
}
// styles
wp_enqueue_style('layotter', plugins_url('assets/css/editor.css', __DIR__));
wp_enqueue_style('layotter-font-awesome', plugins_url('assets/css/font-awesome.min.css', __DIR__));
// jQuery plugin used to serialize form data
wp_enqueue_script('layotter-serialize', plugins_url('assets/js/vendor/jquery.serialize-object.compiled.js', __DIR__), array('jquery'));
// Angular scripts
$scripts = array('angular' => 'assets/js/vendor/angular.js', 'angular-animate' => 'assets/js/vendor/angular-animate.js', 'angular-sanitize' => 'assets/js/vendor/angular-sanitize.js', 'angular-ui-sortable' => 'assets/js/vendor/angular-ui-sortable.js', 'layotter' => 'assets/js/app/app.js', 'layotter-controller-editor' => 'assets/js/app/controllers/editor.js', 'layotter-controller-templates' => 'assets/js/app/controllers/templates.js', 'layotter-controller-form' => 'assets/js/app/controllers/form.js', 'layotter-service-state' => 'assets/js/app/services/state.js', 'layotter-service-data' => 'assets/js/app/services/data.js', 'layotter-service-content' => 'assets/js/app/services/content.js', 'layotter-service-templates' => 'assets/js/app/services/templates.js', 'layotter-service-layouts' => 'assets/js/app/services/layouts.js', 'layotter-service-view' => 'assets/js/app/services/view.js', 'layotter-service-forms' => 'assets/js/app/services/forms.js', 'layotter-service-modals' => 'assets/js/app/services/modals.js', 'layotter-service-history' => 'assets/js/app/services/history.js');
foreach ($scripts as $name => $path) {
wp_enqueue_script($name, plugins_url($path, __DIR__));
}
// fetch allowed row layouts and default layout
$allowed_row_layouts = Layotter_Settings::get_allowed_row_layouts();
$default_row_layout = Layotter_Settings::get_default_row_layout();
// fetch default values for post, row and element options
$default_post_options = new Layotter_Options('post');
$default_row_options = new Layotter_Options('row');
$default_col_options = new Layotter_Options('col');
$default_element_options = new Layotter_Options('element');
// fetch content structure for the current post
$post_id = get_the_ID();
$content_structure = new Layotter_Post($post_id);
// fetch post layouts and element templates
$saved_layouts = Layotter_Layouts::get_all();
$saved_templates = Layotter_Templates::get_all_for_post($post_id);
// fetch available element types
$element_objects = Layotter::get_filtered_element_types($post_id);
$element_types = array();
foreach ($element_objects as $element_object) {
$element_types[] = array('type' => $element_object->get('type'), 'title' => $element_object->get('title'), 'description' => $element_object->get('description'), 'icon' => $element_object->get('icon'));
}
// fetch general settings
$enable_post_layouts = Layotter_Settings::post_layouts_enabled();
$enable_element_templates = Layotter_Settings::element_templates_enabled();
// inject data for use with Javascript
wp_localize_script('layotter', 'layotterData', array('postID' => $post_id, 'isACFPro' => Layotter_ACF::is_pro_installed(), 'contentStructure' => $content_structure->to_array(), 'allowedRowLayouts' => $allowed_row_layouts, 'defaultRowLayout' => $default_row_layout, 'savedLayouts' => $saved_layouts, 'savedTemplates' => $saved_templates, 'enablePostLayouts' => $enable_post_layouts, 'enableElementTemplates' => $enable_element_templates, 'elementTypes' => $element_types, 'options' => array('post' => array('enabled' => $default_post_options->is_enabled(), 'defaults' => $default_post_options->get_clean_values()), 'row' => array('enabled' => $default_row_options->is_enabled(), 'defaults' => $default_row_options->get_clean_values()), 'col' => array('enabled' => $default_col_options->is_enabled(), 'defaults' => $default_col_options->get_clean_values()), 'element' => array('enabled' => $default_element_options->is_enabled(), 'defaults' => $default_element_options->get_clean_values())), 'i18n' => array('delete_row' => __('Delete row', 'layotter'), 'delete_element' => __('Delete element', 'layotter'), 'delete_template' => __('Delete template', 'layotter'), 'edit_template' => __('Edit template', 'layotter'), 'cancel' => __('Cancel', 'layotter'), 'discard_changes' => __('Discard changes', 'layotter'), 'discard_changes_confirmation' => __('Do you want to cancel and discard all changes?', 'layotter'), 'delete_row_confirmation' => __('Do you want to delete this row and all its elements?', 'layotter'), 'delete_element_confirmation' => __('Do you want to delete this element?', 'layotter'), 'delete_template_confirmation' => __('Do you want to delete this template? You can not undo this action.', 'layotter'), 'edit_template_confirmation' => __('When editing a template, your changes will be reflected on all pages that are using it. Do you want to edit this template?', 'layotter'), 'save_new_layout_confirmation' => __('Please enter a name for your layout:', 'layotter'), 'save_layout' => __('Save layout', 'layotter'), 'rename_layout_confirmation' => __('Please enter the new name for this layout:', 'layotter'), 'rename_layout' => __('Rename layout', 'layotter'), 'delete_layout_confirmation' => __('Do want to delete this layout? You can not undo this action.', 'layotter'), 'delete_layout' => __('Delete layout', 'layotter'), 'load_layout_confirmation' => __('Do want to load this layout and overwrite the existing content?', 'layotter'), 'load_layout' => __('Load layout', 'layotter'), 'history' => array('undo' => __('Undo:', 'layotter'), 'redo' => __('Redo:', 'layotter'), 'add_element' => __('Add element', 'layotter'), 'edit_element' => __('Edit element', 'layotter'), 'duplicate_element' => __('Duplicate element', 'layotter'), 'delete_element' => __('Delete element', 'layotter'), 'move_element' => __('Move element', 'layotter'), 'save_element_as_template' => __('Save element as template', 'layotter'), 'create_element_from_template' => __('Create element from template', 'layotter'), 'add_row' => __('Add row', 'layotter'), 'change_row_layout' => __('Change row layout', 'layotter'), 'duplicate_row' => __('Duplicate row', 'layotter'), 'delete_row' => __('Delete row', 'layotter'), 'move_row' => __('Move row', 'layotter'), 'edit_post_options' => __('Edit post options', 'layotter'), 'edit_row_options' => __('Edit row options', 'layotter'), 'edit_column_options' => __('Edit column options', 'layotter'), 'edit_element_options' => __('Edit element options', 'layotter'), 'load_post_layout' => __('Load layout', 'layotter')))));
}
/**
* Create a new columns
*
* @param array $structure Column structure
*/
public function __construct($structure)
{
$structure = $this->validate_structure($structure);
$this->width = $structure['width'];
$this->options = new Layotter_Options('col', $structure['options']);
foreach ($structure['elements'] as $element) {
$element_object = false;
// if a template_id is set, try to create a template
if (isset($element['template_id'])) {
$element_object = Layotter_Templates::create_element($element);
}
// if the template doesn't exist anymore, create a regular element
if (!$element_object) {
$element_object = Layotter::create_element($element);
}
if ($element_object) {
$this->elements[] = $element_object;
}
}
}
/**
* Create a new element instance from a saved template
*
* @param int|array $id_or_structure Template ID or element structure with template_id
* @return mixed New element instance, or false on failure
*/
public static function create_element($id_or_structure, $options = array())
{
$element = false;
if (is_array($id_or_structure)) {
$structure = self::validate_structure($id_or_structure);
return self::create_element($structure['template_id'], $structure['options']);
} else {
if (is_int($id_or_structure)) {
$id = $id_or_structure;
$templates = get_option('layotter_element_templates');
if (is_array($templates) and isset($templates[$id])) {
$template = self::validate_structure($templates[$id]);
$element = Layotter::create_element($template['type'], $template['values'], $options);
}
}
}
if (!$element) {
return false;
}
if (!isset($template['deleted']) or !$template['deleted']) {
$element->set_template_id($id);
}
return $element;
}
function layotter_ajax_update_template()
{
$post_data = layotter_get_angular_post_data();
// type and field values are required
if (isset($post_data['template_id']) and is_int($post_data['template_id'])) {
$id = $post_data['template_id'];
$template = Layotter_Templates::get($id);
if ($template) {
$values = Layotter_ACF::unwrap_post_values();
$element = Layotter::create_element($template['type'], $values);
if ($element) {
$element->set_template_id($id);
Layotter_Templates::update($id, $element->get_template_data());
echo json_encode($element->to_array());
}
}
}
die;
// required by Wordpress after any AJAX call
}
/**
* Get element types enabled for a specific post
*
* @param int $post_id Post ID
* @return array Element instances
*/
public static function get_filtered_element_types($post_id)
{
$elements = array();
foreach (array_keys(self::$registered_elements) as $element_type) {
$element = Layotter::create_element($element_type);
if ($element and $element->is_enabled_for($post_id)) {
$elements[] = $element;
}
}
usort($elements, array(__CLASS__, 'sort_element_types_helper'));
return $elements;
}
/**
* Helper function for register_backend_hooks
*
* To make sure that Layotter::is_enabled() returns the correct value, the check is delayed until admin_footer.
* Without the check, assets would be included on every single page in the backend.
*/
public static final function register_backend_hooks_helper()
{
if (Layotter::is_enabled()) {
call_user_func(array(get_called_class(), 'backend_assets'));
}
}
*/
class Layotter_Example_Element extends Layotter_Element
{
protected function attributes()
{
$this->title = __('Example element', 'layotter');
$this->description = __('Use this element to play around and get started with Layotter.', 'layotter');
$this->icon = 'star';
$this->field_group = Layotter_ACF::get_example_field_group_name();
}
protected function frontend_view($fields)
{
echo '<div class="layotter-example-element">';
echo $fields['content'];
echo '</div>';
}
protected function backend_view($fields)
{
echo '<div class="layotter-example-element">';
if (empty($fields['content'])) {
echo '<center>';
_e('This element is empty. Click the edit button at the top right to add some content.', 'layotter');
echo '</center>';
} else {
echo $fields['content'];
}
echo '</div>';
}
}
Layotter::register_element('layotter_example_element', 'Layotter_Example_Element');
