<?php
/**
* @file
* Contains icon_menu.module
*/
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Markup;
/**
* Implements template_preprocess_menu()
*/
function icon_menu_preprocess_menu(&$variables) {
$config = \Drupal::config('icon_menu.settings');
$prefix = 'icon_menu.';
foreach ($variables['items'] as $item) {
$plugin_id = $item['original_link']->getPluginId();
$key = $prefix . $plugin_id;
if ($config->get($key)) {
$tags = $key . '.';
$title_classes = '';
$classes = '';
$icon = $config->get($tags . 'icon');
$tag = $config->get($tags . 'wrapper');
$wrapper_classes = explode(',', $config->get($tags . 'wrapper_class'));
$position = $config->get($tags . 'position');
$breadcrumb = $config->get($tags . 'breadcrumb');
$title_wrapper = $config->get($tags . 'title_wrapper');
$title_wrapper_element = $config->get($tags . 'title_wrapper_element');
$title_wrapper_class = explode(',', $config->get($tags . 'title_wrapper_class'));
foreach ($wrapper_classes as $c) {
$classes .= trim($c) . ' ';
}
if ($title_wrapper) {
foreach ($title_wrapper_class as $c) {
$title_classes .= trim($c) . ' ';
}
if ($title_wrapper_element != 'span' && $title_wrapper_element != 'div') {
$title_wrapper_element = 'span';
}
}
if ($tag != 'i' && $tag != 'span') {
$tag = 'i';
}
$title = $variables['items'][$plugin_id]['title'];
if(isset($position)) {
$variables['items'][$plugin_id]['title'] = _icon_menu_get_icon_tag($tag, $icon, $classes, $title, $position, $title_wrapper, $title_wrapper_element, $title_classes);
}
/*
switch ($position) {
case 'title_before':
$variables['items'][$plugin_id]['title'] = t(_icon_menu_get_icon_tag($tag, $icon, $classes) . $title);
break;
case 'title_after':
$variables['items'][$plugin_id]['title'] = _icon_menu_get_icon_tag($tag, $icon, $classes, $title, $position);
break;
case 'title_invisible':
$variables['items'][$plugin_id]['title'] = t(_icon_menu_get_icon_tag($tag, $icon, $classes) . '<span class="visually-hidden focusable">' . $variables['items'][$plugin_id]['title'] . '</span>');
break;
case 'title_replace':
$variables['items'][$plugin_id]['title'] = t(_icon_menu_get_icon_tag($tag, $icon, $classes));
break;
}*/
}
/*
if($item['original_link']->getPluginId() == 'menu_link_content:f954fbbc-7d77-419a-9304-d8114fe36ee2') {
$variables['items']['menu_link_content:f954fbbc-7d77-419a-9304-d8114fe36ee2']['title'] = t('<i class="fa fa-search"></i>My Blog Testing');
//ksm($variables['items']['menu_link_content:f954fbbc-7d77-419a-9304-d8114fe36ee2']);
}*/
}
}
/**
* Generates the tag of the icon
*/
function _icon_menu_get_icon_tag($tag, $icon, $classes, $title, $position, $title_wrapper, $title_wrapper_element, $title_classes) {
$markup = '<' . $tag . ' class="fa fa-' . $icon . ' ' . $classes . '"></' . $tag . '>';
if ($title_wrapper) {
$title = '<' . $title_wrapper_element . ' ' . (!empty($title_classes) ? 'class="' . $title_classes . '"' : '') . '> ' . $title . '</' . $title_wrapper_element . '>';
}
switch ($position) {
case 'title_before':
$markup .= $title;
break;
case 'title_after':
$markup = $title . $markup;
break;
case 'title_invisible':
$markup .= '<span class="visually-hidden focusable">' . $title . '</span>';
break;
case 'title_replace':
$markup = $markup . '';
break;
}
return Markup::create($markup);
}
/**
* Returns Icon Bundle options
*/
function _icon_menu_get_installed_bundles() {
// Get the icon bundle list
$icon_manager = \Drupal::service('plugin.manager.icon_bundle');
$icon_definitions = $icon_manager->getDefinitions();
$icon_bundle = array();
foreach($icon_definitions as $icon_definition) {
$icon_bundle[$icon_definition['autocomplete_route']] = $icon_definition['label'];
}
return $icon_bundle;
}
/**
* Implements hook_form_alter()
*/
function icon_menu_form_alter(array &$form, FormStateInterface $form_state, $form_id) {
// Disable support for 'menu_link_edit' temporarily.
if ($form_id == 'menu_link_content_menu_link_content_form') {
// $form_id == 'menu_link_edit') {
$settings = '';
/*
// Disable this snippet
if ($form_id == 'menu_link_edit') {
$settings = $form_state->getBuildInfo()['args'][0]->getPluginId();
}
*/
if ($form_id == 'menu_link_content_menu_link_content_form') {
$settings = $form_state->getBuildInfo()['callback_object']->getEntity()->getPluginId();
}
$config = \Drupal::config('icon_menu.settings');
$tag = 'icon_menu.' . $settings . '.';
$access = \Drupal::currentUser()->hasPermission('administer menu icons');
$icon_bundle = _icon_menu_get_installed_bundles();
$form['options']['icon_selector'] = array(
'#type' => 'details',
'#tree' => TRUE,
'#title' => t('Icon'),
'#open' => TRUE,
'#collapsible' => TRUE,
'#collapsed' => FALSE,
'#access' => $access,
);
$form['options']['icon_selector']['icon_bundle'] = array(
'#type' => 'select',
'#title' => t('Icon Bundle'),
'#description' => t('Choose the icon bundle to display the icons using the autocomplete.'),
'#default_value' => key($icon_bundle),
'#options' => $icon_bundle,
'#ajax' => [
'callback' => '_icon_menu_update_icon_bundle',
'event' => 'change',
'wrapper' => 'icon_menu-field-wrapper'
],
);
$form['options']['icon_selector']['icon'] = array(
'#type' => 'textfield',
'#title' => t('Search Icon'),
//'#field_prefix' => 'fa-',
'#prefix' => '<div id="icon_menu-field-wrapper">',
'#suffix' => '</div>',
'#default_value' => $config->get($tag . 'icon') ? $config->get($tag . 'icon') : '',
'#autocomplete_route_name' => $form_state->getValue('icon_selector')['icon_bundle'] ? $form_state->getValue('icon_selector')['icon_bundle'] : key($icon_bundle),
);
$form['options']['icon_selector']['wrapper'] = array(
'#type' => 'select',
'#title' => t('Icon Wrapper'),
'#description' => t('Choose an HTML element to wrap the icon with.'),
'#default_value' => $config->get($tag . 'wrapper') ? $config->get($tag . 'wrapper') : 'i',
'#options' => array(
'i' => t('i'),
'span' => t('span'),
),
'#states' => array(
'invisible' => array(
':input[name="icon_selector[icon]"]' => array(
'value' => ''
),
)
),
);
$form['options']['icon_selector']['wrapper_class'] = array(
'#type' => 'textfield',
'#title' => t('Icon Wrapper Classes'),
'#description' => t('A space separated list of CSS classes.'),
'#default_value' => $config->get($tag . 'wrapper_class') ? $config->get($tag . 'wrapper_class') : '',
'#states' => array(
'invisible' => array(
array(':input[name="icon_selector[wrapper]"]' => array(
'value' => 'None'
)),
'and',
array(':input[name="icon_selector[icon]"]' => array(
'value' => ''
)),
)
),
);
$form['options']['icon_selector']['position'] = array(
'#type' => 'select',
'#title' => t('Position'),
'#default_value' => $config->get($tag . 'position') ? $config->get($tag . 'position') : 'title_before',
'#options' => array(
'title_before' => t('Before title'),
'title_after' => t('After title'),
'title_invisible' => t('Invisible title'),
'title_replace' => t('Replace title'),
),
'#states' => array(
'invisible' => array(
':input[name="icon_selector[icon]"]' => array(
'value' => '',
),
)
),
);
//$icon_state = array('invisible' => array(':input[name="' . $parents . '[icon]"]' => array('value' => '')));
$form['options']['icon_selector']['breadcrumb'] = array(
'#type' => 'checkbox',
'#title' => t('Show in breadcrumbs'),
'#description' => t('Choose whether to show the icon in breadcrumb links.'),
'#default_value' => $config->get($tag . 'breadcrumb') ? $config->get($tag . 'breadcrumb') : FALSE,
'#states' => [
'visible' => [
':input[name="icon_selector[wrapper]"]' => [
'value' => ''
],
/*':input[name="icon_selector[icon]"]' => [
'value' => '',
],*/
],
],
);
$form['options']['icon_selector']['title_wrapper'] = array(
'#type' => 'checkbox',
'#title' => t('Title Wrapper'),
'#description' => t('Choose whether to wrap the title in a element tag or not.'),
'#default_value' => $config->get($tag . 'title_wrapper') ? $config->get($tag . 'title_wrapper') : FALSE,
'#states' => [
'invisible' => [
':input[name="icon_selector[icon]"]' => [
'value' => '',
],
],
],
);
$wrap_state = [
'visible' => [
':input[name="icon_selector[title_wrapper]"]' => [
'checked' => TRUE,
],
],/*
'invisible' => [
':input[name="icon_selector[icon]"]' => [
'value' => '',
],
],*/
];
$form['options']['icon_selector']['title_wrapper_element'] = array(
'#type' => 'select',
'#title' => t('Title Wrapper Element'),
'#description' => t('The type of element to use for the title wrapper.'),
'#default_value' => $config->get($tag . 'title_wrapper_element') ? $config->get($tag . 'title_wrapper_element') : 'i',
'#options' => array(
'span' => t('span'),
'div' => t('div'),
),
'#states' => $wrap_state,
);
$form['options']['icon_selector']['title_wrapper_class'] = array(
'#type' => 'textfield',
'#title' => t('Title Wrapper Class'),
'#description' => t('The classes to apply to the title wrapper'),
'#default_value' => $config->get($tag . 'title_wrapper_class') ? $config->get($tag . 'title_wrapper_class') : '',
'#states' => $wrap_state,
);
if($access) {
$form['actions']['submit']['#submit'][] = '_icon_menu_submit_value';
}
}
}
/**
* Returns the form field for the ajax request
*/
function _icon_menu_update_icon_bundle(array &$form, FormStateInterface $form_state) {
return $form['icon_selector']['icon'];
}
/**
* Storing the menu configuration information
*/
function _icon_menu_submit_value(array $form, FormStateInterface $form_state) {
$config = \Drupal::configFactory()->getEditable('icon_menu.settings');
$form_id = $form['#form_id'];
$settings = '';
if ($form_id == 'menu_link_edit') {
$settings = $form_state->getBuildInfo()['args'][0]->getPluginId();
}
if ($form_id == 'menu_link_content_menu_link_content_form') {
$settings = $form_state->getBuildInfo()['callback_object']->getEntity()->getPluginId();
}
$values = $form_state->getValue('icon_selector');
$tag = 'icon_menu.' . $settings . '.';
$config->set($tag . 'icon_bundle', $values['icon_bundle'])
->set($tag . 'icon', $values['icon'])
->set($tag . 'wrapper', $values['wrapper'])
->set($tag . 'wrapper_class', $values['wrapper_class'])
->set($tag . 'position', $values['position'])
->set($tag . 'breadcrumb', $values['breadcrumb'])
->set($tag . 'title_wrapper', $values['title_wrapper'])
->set($tag . 'title_wrapper_element', $values['title_wrapper_element'])
->set($tag . 'title_wrapper_class', $values['title_wrapper_class'])
->save();
// Clear the render cache to display the updated changes
\Drupal::service('cache.render')->invalidateAll();
//\Drupal::cache('block')->invalidateAll();
}
/**
* Implements hook_preprocess_breadcrumb()
*/
function icon_menu_preprocess_breadcrumb(&$variables) {
//ksm($variables);
}
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