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- <?php
- /**
- * Filter on country.
- */
- class location_handler_filter_location_country extends views_handler_filter_in_operator {
- function option_definition() {
- $options = parent::option_definition();
- $options['operator'] = array('default' => 'in');
- return $options;
- }
- function admin_summary() {
- return '';
- // $options = $this->operator_options('short');
- // return (!empty($this->options['exposed']) ? t('exposed') : $options[$this->operator]);
- }
- function get_value_options() {
- $this->value_options = location_get_iso3166_list();
- }
- /**
- * Provide widgets for filtering by country.
- */
- function value_form(&$form, &$form_state) {
- $this->get_value_options();
- $options = $this->value_options;
- $default_value = (array) $this->value;
- if (!empty($form_state['exposed'])) {
- $identifier = $this->options['expose']['identifier'];
- if (empty($this->options['expose']['use_operator']) || empty($this->options['expose']['operator'])) {
- // exposed and locked.
- $which = in_array($this->operator, $this->operator_values(1)) ? 'value' : 'none';
- }
- else {
- $source = 'edit-' . drupal_clean_css_identifier($this->options['expose']['operator']);
- }
- if (!empty($this->options['expose']['reduce'])) {
- $options = $this->reduce_value_options();
- if (empty($this->options['expose']['single']) && !empty($this->options['expose']['optional'])) {
- $default_value = array();
- }
- }
- if (!empty($this->options['expose']['single'])) {
- if (!empty($this->options['expose']['optional']) && (empty($default_value) || !empty($this->options['expose']['reduce']))) {
- $default_value = 'All';
- }
- else if (empty($default_value)) {
- $keys = array_keys($options);
- $default_value = array_shift($keys);
- }
- else {
- $copy = $default_value;
- $default_value = array_shift($copy);
- }
- }
- }
- $form['value'] = array(
- '#type' => 'select',
- '#title' => t('Country'),
- '#default_value' => $default_value,
- '#options' => $options,
- // Used by province autocompletion js.
- '#attributes' => array('class' => array('location_auto_country')),
- '#multiple' => TRUE, // views will change this as necessary when exposed.
- );
- // Let location_autocomplete.js find the correct fields to attach.
- $form['value']['#attributes']['class'][] = 'location_auto_join_' . $this->options['expose']['identifier'];
- }
- function reduce_value_options($input = NULL) {
- if (empty($this->options)) {
- $this->get_value_options();
- }
- if (!empty($this->options['expose']['reduce']) && !empty($this->options['value'])) {
- $reduced_options = array();
- foreach ($this->options['value'] as $value) {
- $reduced_options[$value] = $this->value_options[$value];
- }
- return $reduced_options;
- }
- return $this->get_value_options();
- }
- function accept_exposed_input($input) {
- if (empty($this->options['exposed'])) {
- return TRUE;
- }
- if (!empty($this->options['expose']['use_operator']) && !empty($this->options['expose']['operator_id']) && isset($input[$this->options['expose']['operator_id']])) {
- $this->operator = $input[$this->options['expose']['operator_id']];
- }
- if (!empty($this->options['expose']['identifier'])) {
- $value = $input[$this->options['expose']['identifier']];
- if (empty($this->options['expose']['required'])) {
- if ($value == 'All' || $value === array()) {
- if (empty($this->options['value']) || (!empty($this->options['value']) && empty($this->options['expose']['reduce']))) {
- return FALSE;
- }
- else {
- $value = $this->options['value'];
- }
- }
- if (!empty($this->always_multiple) && $value === '') {
- return FALSE;
- }
- }
- if (isset($value)) {
- $this->value = $value;
- if (empty($this->always_multiple) && empty($this->options['expose']['multiple'])) {
- $this->value = array($value);
- }
- }
- else {
- return FALSE;
- }
- }
- return TRUE;
- }
- function operator_options($which = 'title') {
- if (empty($this->options['expose']['multiple'])) {
- return array(
- 'in' => t('Is'),
- 'not in' => t('Is not'),
- );
- }
- else {
- return array(
- 'in' => t('Is one of'),
- 'not in' => t('Is not one of'),
- );
- }
- }
- function query() {
- if (empty($this->value)) {
- return;
- }
- $this->ensure_my_table();
- $field = "$this->table_alias.$this->real_field";
- // Normalize values.
- $value = $this->value;
- if (is_array($value)) {
- if (count($value) == 1) {
- // If multiple is allowed but only one was chosen, use a string instead.
- $value = reset($value);
- }
- }
- if (is_array($value)) {
- // Multiple values
- $operator = ($this->operator == 'in') ? 'IN' : 'NOT IN';
- $this->query->add_where($this->options['group'], $field, $value, $operator);
- }
- else {
- // Single value
- $operator = ($this->operator == 'in') ? '=' : '!=';
- $this->query->add_where($this->options['group'], $field, $value, $operator);
- }
- }
- }
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