--- /dev/null
+<?php
+
+namespace Drupal\views\Plugin\views\filter;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Database\Database;
+
+/**
+ * Filter handler which allows to search on multiple fields.
+ *
+ * @ingroup views_field_handlers
+ *
+ * @ViewsFilter("combine")
+ */
+class Combine extends StringFilter {
+
+ /**
+ * @var views_plugin_query_default
+ */
+ public $query;
+
+ protected function defineOptions() {
+ $options = parent::defineOptions();
+ $options['fields'] = ['default' => []];
+
+ return $options;
+ }
+
+ public function buildOptionsForm(&$form, FormStateInterface $form_state) {
+ parent::buildOptionsForm($form, $form_state);
+ $this->view->initStyle();
+
+ // Allow to choose all fields as possible
+ if ($this->view->style_plugin->usesFields()) {
+ $options = [];
+ foreach ($this->view->display_handler->getHandlers('field') as $name => $field) {
+ // Only allow clickSortable fields. Fields without clickSorting will
+ // probably break in the Combine filter.
+ if ($field->clickSortable()) {
+ $options[$name] = $field->adminLabel(TRUE);
+ }
+ }
+ if ($options) {
+ $form['fields'] = [
+ '#type' => 'select',
+ '#title' => $this->t('Choose fields to combine for filtering'),
+ '#description' => $this->t("This filter doesn't work for very special field handlers."),
+ '#multiple' => TRUE,
+ '#options' => $options,
+ '#default_value' => $this->options['fields'],
+ ];
+ }
+ else {
+ $form_state->setErrorByName('', $this->t('You have to add some fields to be able to use this filter.'));
+ }
+ }
+ }
+
+ public function query() {
+ $this->view->_build('field');
+ $fields = [];
+ // Only add the fields if they have a proper field and table alias.
+ foreach ($this->options['fields'] as $id) {
+ // Overridden fields can lead to fields missing from a display that are
+ // still set in the non-overridden combined filter.
+ if (!isset($this->view->field[$id])) {
+ // If fields are no longer available that are needed to filter by, make
+ // sure no results are shown to prevent displaying more then intended.
+ $this->view->build_info['fail'] = TRUE;
+ continue;
+ }
+ $field = $this->view->field[$id];
+ // Always add the table of the selected fields to be sure a table alias exists.
+ $field->ensureMyTable();
+ if (!empty($field->field_alias) && !empty($field->field_alias)) {
+ $fields[] = "$field->tableAlias.$field->realField";
+ }
+ }
+ if ($fields) {
+ $count = count($fields);
+ $separated_fields = [];
+ foreach ($fields as $key => $field) {
+ $separated_fields[] = $field;
+ if ($key < $count - 1) {
+ $separated_fields[] = "' '";
+ }
+ }
+ $expression = implode(', ', $separated_fields);
+ $expression = "CONCAT_WS(' ', $expression)";
+
+ $info = $this->operators();
+ if (!empty($info[$this->operator]['method'])) {
+ $this->{$info[$this->operator]['method']}($expression);
+ }
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function validate() {
+ $errors = parent::validate();
+ if ($this->displayHandler->usesFields()) {
+ $fields = $this->displayHandler->getHandlers('field');
+ foreach ($this->options['fields'] as $id) {
+ if (!isset($fields[$id])) {
+ // Combined field filter only works with fields that are in the field
+ // settings.
+ $errors[] = $this->t('Field %field set in %filter is not set in display %display.', ['%field' => $id, '%filter' => $this->adminLabel(), '%display' => $this->displayHandler->display['display_title']]);
+ break;
+ }
+ elseif (!$fields[$id]->clickSortable()) {
+ // Combined field filter only works with simple fields. If the field
+ // is not click sortable we can assume it is not a simple field.
+ // @todo change this check to isComputed. See
+ // https://www.drupal.org/node/2349465
+ $errors[] = $this->t('Field %field set in %filter is not usable for this filter type. Combined field filter only works for simple fields.', ['%field' => $fields[$id]->adminLabel(), '%filter' => $this->adminLabel()]);
+ }
+ }
+ }
+ else {
+ $errors[] = $this->t('%display: %filter can only be used on displays that use fields. Set the style or row format for that display to one using fields to use the combine field filter.', ['%display' => $this->displayHandler->display['display_title'], '%filter' => $this->adminLabel()]);
+ }
+ return $errors;
+ }
+
+ /**
+ * By default things like opEqual uses add_where, that doesn't support
+ * complex expressions, so override opEqual (and all operators below).
+ */
+ public function opEqual($expression) {
+ $placeholder = $this->placeholder();
+ $operator = $this->operator();
+ $this->query->addWhereExpression($this->options['group'], "$expression $operator $placeholder", [$placeholder => $this->value]);
+ }
+
+ protected function opContains($expression) {
+ $placeholder = $this->placeholder();
+ $this->query->addWhereExpression($this->options['group'], "$expression LIKE $placeholder", [$placeholder => '%' . db_like($this->value) . '%']);
+ }
+
+ /**
+ * Filters by one or more words.
+ *
+ * By default opContainsWord uses add_where, that doesn't support complex
+ * expressions.
+ *
+ * @param string $expression
+ */
+ protected function opContainsWord($expression) {
+ $placeholder = $this->placeholder();
+
+ // Don't filter on empty strings.
+ if (empty($this->value)) {
+ return;
+ }
+
+ // Match all words separated by spaces or sentences encapsulated by double
+ // quotes.
+ preg_match_all(static::WORDS_PATTERN, ' ' . $this->value, $matches, PREG_SET_ORDER);
+
+ // Switch between the 'word' and 'allwords' operator.
+ $type = $this->operator == 'word' ? 'OR' : 'AND';
+ $group = $this->query->setWhereGroup($type);
+ $operator = Database::getConnection()->mapConditionOperator('LIKE');
+ $operator = isset($operator['operator']) ? $operator['operator'] : 'LIKE';
+
+ foreach ($matches as $match_key => $match) {
+ $temp_placeholder = $placeholder . '_' . $match_key;
+ // Clean up the user input and remove the sentence delimiters.
+ $word = trim($match[2], ',?!();:-"');
+ $this->query->addWhereExpression($group, "$expression $operator $temp_placeholder", [$temp_placeholder => '%' . Database::getConnection()->escapeLike($word) . '%']);
+ }
+ }
+
+ protected function opStartsWith($expression) {
+ $placeholder = $this->placeholder();
+ $this->query->addWhereExpression($this->options['group'], "$expression LIKE $placeholder", [$placeholder => db_like($this->value) . '%']);
+ }
+
+ protected function opNotStartsWith($expression) {
+ $placeholder = $this->placeholder();
+ $this->query->addWhereExpression($this->options['group'], "$expression NOT LIKE $placeholder", [$placeholder => db_like($this->value) . '%']);
+ }
+
+ protected function opEndsWith($expression) {
+ $placeholder = $this->placeholder();
+ $this->query->addWhereExpression($this->options['group'], "$expression LIKE $placeholder", [$placeholder => '%' . db_like($this->value)]);
+ }
+
+ protected function opNotEndsWith($expression) {
+ $placeholder = $this->placeholder();
+ $this->query->addWhereExpression($this->options['group'], "$expression NOT LIKE $placeholder", [$placeholder => '%' . db_like($this->value)]);
+ }
+
+ protected function opNotLike($expression) {
+ $placeholder = $this->placeholder();
+ $this->query->addWhereExpression($this->options['group'], "$expression NOT LIKE $placeholder", [$placeholder => '%' . db_like($this->value) . '%']);
+ }
+
+ protected function opRegex($expression) {
+ $placeholder = $this->placeholder();
+ $this->query->addWhereExpression($this->options['group'], "$expression REGEXP $placeholder", [$placeholder => $this->value]);
+ }
+
+ protected function opEmpty($expression) {
+ if ($this->operator == 'empty') {
+ $operator = "IS NULL";
+ }
+ else {
+ $operator = "IS NOT NULL";
+ }
+
+ $this->query->addWhereExpression($this->options['group'], "$expression $operator");
+ }
+
+}
projects / yaffs-website / blobdiff