191 lines
7 KiB
Text
191 lines
7 KiB
Text
<?php
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/**
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* @file
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* Contains islandora_advanced_search.module.
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*
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* This file is part of the Islandora Project.
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*
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* (c) Islandora Foundation
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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use Drupal\block\Entity\Block;
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use Drupal\Component\Utility\Unicode;
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use Drupal\Core\Form\FormStateInterface;
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use Drupal\islandora_advanced_search\AdvancedSearchQuery;
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use Drupal\islandora_advanced_search\Form\SettingsForm;
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use Drupal\islandora_advanced_search\Utilities;
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use Drupal\search_api\Query\QueryInterface as DrupalQueryInterface;
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use Drupal\views\ViewExecutable;
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use Solarium\Core\Query\QueryInterface as SolariumQueryInterface;
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/**
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* Implements hook_theme().
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*/
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function islandora_advanced_search_theme() {
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return [
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'facets_item_list__include_exclude_links' => [
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'template' => 'facets/facets-item-list--include-exclude-links',
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'base hook' => 'facets_item_list',
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],
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'facets_result_item__include_exclude_links' => [
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'template' => 'facets/facets-result-item--include-exclude-links',
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'base hook' => 'facets_result_item',
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],
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'facets_result_item__summary' => [
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'template' => 'facets/facets-result-item--summary',
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'base hook' => 'facets_result_item',
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],
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];
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}
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/**
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* Implements hook_library_info_alter().
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*/
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function islandora_advanced_search_library_info_alter(&$libraries, $extension) {
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if ($extension == 'facets') {
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// Override facets module javascript with customizations.
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$path = '/' . drupal_get_path('module', 'islandora_advanced_search') . '/js/facets';
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$libraries['soft-limit']['js'] = [
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"$path/soft-limit.js" => [],
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];
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$libraries['drupal.facets.views-ajax']['js'] = [
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"$path/facets-views-ajax.js" => [],
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];
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}
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}
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/**
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* Implements hook_search_api_solr_converted_query_alter().
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*/
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function islandora_advanced_search_search_api_solr_converted_query_alter(SolariumQueryInterface $solarium_query, DrupalQueryInterface $search_api_query) {
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// We must modify the query itself rather than the representation the
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// search_api presents as it is not possible to use the 'OR' operator
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// with it as it converts conditions into separate filter queries.
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// Additionally filter queries do not affect the score so are not
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// suitable for use in the advanced search queries.
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$advanced_search_query = new AdvancedSearchQuery();
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$advanced_search_query->alterQuery(\Drupal::request(), $solarium_query, $search_api_query);
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}
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/**
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* Implements hook_form_form_id_alter().
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*/
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function islandora_advanced_search_form_block_form_alter(&$form, FormStateInterface $form_state, $form_id) {
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// Islandora removes this condition from the form, but we require it.
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// So we can show blocks for nodes which belong to specific models.
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// Allowing us to add a block for collections only.
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$visibility = [];
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$entity_id = $form['id']['#default_value'];
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$block = Block::load($entity_id);
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if ($block) {
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$visibility = $block->getVisibility();
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}
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$manager = \Drupal::getContainer()->get('plugin.manager.condition');
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$condition_id = 'node_has_term';
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/** @var \Drupal\Core\Condition\ConditionInterface $condition */
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$condition = $manager->createInstance($condition_id, isset($visibility[$condition_id]) ? $visibility[$condition_id] : []);
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$form_state->set(['conditions', $condition_id], $condition);
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$condition_form = $condition->buildConfigurationForm([], $form_state);
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$condition_form['#type'] = 'details';
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$condition_form['#title'] = $condition->getPluginDefinition()['label'];
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$condition_form['#group'] = 'visibility_tabs';
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// Not all blocks are required to give this field.
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$condition_form['term']['#required'] = FALSE;
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$form['visibility'][$condition_id] = $condition_form;
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}
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/**
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* Implements hook_preprocess_block__facets_summary().
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*/
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function islandora_advanced_search_preprocess_block__facets_summary(&$variables) {
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// Copy data-attributes to the content as the javascript expects
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// there to be no elements between the data declaration and the
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// content of the block.
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foreach ($variables['attributes'] as $key => $value) {
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if (substr($key, 0, 4) === "data") {
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$variables['content_attributes'][$key] = $value;
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}
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}
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}
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/**
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* Implements hook_preprocess_preprocess_views_view().
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*/
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function islandora_advanced_search_preprocess_views_view(&$variables) {
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/** @var \Drupal\views\ViewExecutable $view */
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$view = &$variables['view'];
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$views = Utilities::getPagerViewDisplays();
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// Only add the toggle class for view display on displays in which the pager
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// has been created for.
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if (in_array([$view->id(), $view->current_display], $views)) {
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// Toggle between 'list' and 'grid' display depending on url parameter.
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$format = \Drupal::request()->query->get('display') ?? 'list';
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$variables['attributes']['class'][] = "view-{$format}";
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$view->element['#attached']['library'][] = 'islandora_advanced_search/advanced.search.pager';
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}
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$view = &$variables['view'];
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}
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/**
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* Implements hook_views_pre_view().
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*/
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function islandora_advanced_search_views_pre_view(ViewExecutable $view, $display_id, array &$args) {
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// Allow for recursive searches by disabling contextual filter.
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$advanced_search_query = new AdvancedSearchQuery();
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$advanced_search_query->alterView(\Drupal::request(), $view, $display_id);
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}
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/**
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* Implements hook_preprocess_facets_summary_item_list().
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*/
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function islandora_advanced_search_preprocess_facets_summary_item_list(&$variables) {
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foreach ($variables['items'] as &$item) {
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$item['attributes']['class'][] = 'facet-summary-item';
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}
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}
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/**
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* Implements hook_preprocess_facets_item_list().
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*/
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function islandora_advanced_search_preprocess_facets_item_list(&$variables) {
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$widget = $variables['facet']->getWidget();
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$soft_limit = $widget['config']['soft_limit'];
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// Break into two groups less / more which can display be toggled as a single
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// element change rather than showing / hiding all <li> elements individually.
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// As its slow and causes the page to snap when loading.
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$variables['less'] = array_slice($variables['items'], 0, $soft_limit);
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$variables['more'] = array_slice($variables['items'], $soft_limit);
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$variables['show_more_label'] = $widget['config']['soft_limit_settings']['show_more_label'];
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}
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/**
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* Implements hook_preprocess_facets_result_item().
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*/
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function islandora_advanced_search_preprocess_facets_result_item(&$variables) {
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$settings = \Drupal::config(SettingsForm::CONFIG_NAME);
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$length = $settings->get(SettingsForm::FACET_TRUNCATE);
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if (is_numeric($length)) {
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// Limit the length of facets display to at most 32 characters.
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if (is_string($variables['value'])) {
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$variables['value'] = Unicode::truncate(
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$variables['value'],
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$length,
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TRUE,
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TRUE
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);
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}
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elseif (is_string($variables['value']['text']['#title'])) {
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$variables['value']['text']['#title'] = Unicode::truncate(
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$variables['value']['text']['#title'],
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$length,
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TRUE,
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TRUE
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);
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}
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}
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}
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