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- <?php
- /**
- * @file
- * Coordinates field handler.
- */
- class location_handler_field_location_distance extends views_handler_field {
- function option_definition() {
- $options = parent::option_definition();
- $options['origin'] = array('default' => 'user');
- $options['units'] = array('default' => 'km');
- $options['latitude'] = array('default' => '');
- $options['longitude'] = array('default' => '');
- $options['postal_code'] = array('default' => '');
- $options['country'] = array('default' => '');
- $options['php_code'] = array('default' => '');
- $options['nid_arg'] = array('default' => '');
- $options['nid_loc_field'] = array('default' => 'node');
- $options['uid_arg'] = array('default' => '');
- return $options;
- }
- function has_extra_options() {
- return TRUE;
- }
- function extra_options_form(&$form, &$form_state) {
- $form['units'] = array(
- '#type' => 'radios',
- '#title' => t('Units'),
- '#options' => array(
- 'km' => t('Kilometers'),
- 'mi' => t('Miles'),
- ),
- '#default_value' => $this->options['units'],
- );
- $form['origin'] = array(
- '#type' => 'select',
- '#title' => t('Origin'),
- '#options' => array(
- 'user' => t("User's Latitude / Longitude (blank if unset)"),
- 'hybrid' => t("User's Latitude / Longitude (fall back to static if unset)"),
- 'static' => t('Static Latitude / Longitude'),
- 'tied' => t("Use Distance / Proximity filter"),
- 'postal' => t('Postal Code / Country'),
- 'postal_default' => t('Postal Code (assume default country)'),
- 'php' => t('Use PHP code to determine latitude/longitude'),
- 'nid_arg' => t("Node's Latitude / Longitude from views nid argument"),
- 'uid_arg' => t("User's Latitude / Longitude from views uid argument"),
- 'distance_arg' => t("Latitude / Longitude from views argument"),
- ),
- '#description' => t("This will be the way the latitude/longitude of origin is determined. When using the user's latitude / longitude, if a user has multiple locations the first will be used."),
- '#default_value' => $this->options['origin'],
- );
- $form['latitude'] = array(
- '#type' => 'textfield',
- '#title' => t('Latitude'),
- '#default_value' => $this->options['latitude'],
- '#process' => array('ctools_dependent_process'),
- '#dependency' => array('edit-options-origin' => array('hybrid', 'static')),
- );
- $form['longitude'] = array(
- '#type' => 'textfield',
- '#title' => t('Longitude'),
- '#default_value' => $this->options['longitude'],
- '#process' => array('ctools_dependent_process'),
- '#dependency' => array('edit-options-origin' => array('hybrid', 'static')),
- );
- $form['postal_code'] = array(
- '#type' => 'textfield',
- '#title' => t('Postal code'),
- '#default_value' => $this->options['postal_code'],
- '#process' => array('ctools_dependent_process'),
- '#dependency' => array('edit-options-origin' => array('postal', 'postal_default')),
- '#maxlength' => 16
- );
- $form['country'] = array(
- '#type' => 'select',
- '#title' => t('Country'),
- '#options' => array('' => '') + location_get_iso3166_list(),
- '#default_value' => $this->options['country'],
- '#process' => array('ctools_dependent_process'),
- '#dependency' => array('edit-options-origin' => array('postal')),
- );
- $form['php_code'] = array(
- '#type' => 'textarea',
- '#title' => t('PHP code for latitude, longitude'),
- '#default_value' => $this->options['php_code'],
- '#process' => array('ctools_dependent_process'),
- '#dependency' => array('edit-options-origin' => array('php')),
- '#description' => t("Enter PHP code that returns a latitude/longitude. Do not use <?php ?>. You must return only an array with float values set for the 'latitude' and 'longitude' keys."),
- );
- list($nid_argument_options, $uid_argument_options) = location_views_proximity_get_argument_options($this->view);
- $nid_loc_field_options = location_views_proximity_get_location_field_options();
- $form['nid_arg'] = array(
- '#type' => 'select',
- '#title' => t('Node ID argument to use'),
- '#options' => $nid_argument_options,
- '#default_value' => $this->options['nid_arg'],
- '#description' => empty($nid_argument_options) ? t("Select which of the view's arguments to use as the node ID. The latitude / longitude of the first location of that node will be used as the origin. Use the 'Global: Null' argument if you don't want to also restrict results to that node ID. You must have added arguments to the view to use this option.") : t("Select which of the view's arguments to use as the node ID. The latitude / longitude of the first location of that node will be used as the origin. Use the 'Global: Null' argument if you don't want to also restrict results to that node ID."),
- '#process' => array('ctools_dependent_process'),
- '#dependency' => array('edit-options-origin' => array('nid_arg')),
- );
- $form['nid_loc_field'] = array(
- '#type' => 'select',
- '#title' => t('Location to use'),
- '#options' => $nid_loc_field_options,
- '#default_value' => $this->options['nid_loc_field'],
- '#description' => t("Select which of the node's locations to use as the origin. Either the node locations or a CCK location field. If the location supports multiple entries the first one will be used."),
- '#process' => array('ctools_dependent_process'),
- '#dependency' => array('edit-options-origin' => array('nid_arg')),
- );
- $form['uid_arg'] = array(
- '#type' => 'select',
- '#title' => t('User ID argument to use'),
- '#options' => $uid_argument_options,
- '#default_value' => $this->options['uid_arg'],
- '#description' => empty($uid_argument_options) ? t("Select which of the view's arguments to use as the user ID. The latitude / longitude of the first location of that user will be used as the origin. Use the 'Global: Null' argument if you don't want to also restrict results to that user ID. You must have added arguments to the view to use this option.") : t("Select which of the view's arguments to use as the user ID. The latitude / longitude of the first location of that user will be used as the origin. Use the 'Global: Null' argument if you don't want to also restrict results to that user ID."),
- '#process' => array('ctools_dependent_process'),
- '#dependency' => array('edit-options-origin' => array('uid_arg')),
- );
- }
- function click_sort($order) {
- $location = location_views_proximity_get_reference_location($this->view, $this->options);
- if ($location) {
- $this->query->add_orderby(NULL, earth_distance_sql($location['longitude'], $location['latitude'], $this->table_alias), $order, $this->field_alias);
- }
- }
- function render($values) {
- if (empty($values->{$this->field_alias}) || $values->{$this->field_alias} == 'Unknown') {
- // Unset location, empty display.
- return;
- }
- $dist = (float)$values->{$this->field_alias};
- if ($this->options['units'] == 'km') {
- $dist = $dist / 1000.0;
- return theme('location_distance', array('distance' => $dist, 'units' => 'km'));
- }
- else {
- $dist = $dist / 1609.347;
- return theme('location_distance', array('distance' => $dist, 'units' => 'mi'));
- }
- }
- function query() {
- $this->ensure_my_table();
- $coordinates = location_views_proximity_get_reference_location($this->view, $this->options);
- if (!empty($coordinates)) {
- $this->field_alias = $this->query->add_field(NULL, earth_distance_sql($coordinates['longitude'], $coordinates['latitude'], $this->table_alias), $this->table_alias .'_'. $this->field);
- }
- else {
- $this->field_alias = $this->query->add_field(NULL, "'Unknown'", $this->table_alias .'_'. $this->field);
- }
- }
- }
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