View source
<?php
class geofield_handler_filter extends views_handler_filter_numeric {
function operators() {
$operators = array(
'<' => array(
'title' => t('Is less than'),
'method' => 'op_simple',
'short' => t('<'),
'values' => 1,
),
'<=' => array(
'title' => t('Is less than or equal to'),
'method' => 'op_simple',
'short' => t('<='),
'values' => 1,
),
'=' => array(
'title' => t('Is equal to'),
'method' => 'op_simple',
'short' => t('='),
'values' => 1,
),
'!=' => array(
'title' => t('Is not equal to'),
'method' => 'op_simple',
'short' => t('!='),
'values' => 1,
),
'>=' => array(
'title' => t('Is greater than or equal to'),
'method' => 'op_simple',
'short' => t('>='),
'values' => 1,
),
'>' => array(
'title' => t('Is greater than'),
'method' => 'op_simple',
'short' => t('>'),
'values' => 1,
),
'between' => array(
'title' => t('Is between'),
'method' => 'op_between',
'short' => t('between'),
'values' => 2,
),
'not between' => array(
'title' => t('Is not between'),
'method' => 'op_between',
'short' => t('not between'),
'values' => 2,
),
);
return $operators;
}
function query() {
$proximityPlugin = geofield_proximity_load_plugin($this->options['source']);
$options = $proximityPlugin
->getSourceValue($this);
if ($options) {
$lat_alias = $this->definition['field_name'] . '_lat';
$lon_alias = $this->definition['field_name'] . '_lon';
$this
->ensure_my_table();
$info = $this
->operators();
if (!empty($info[$this->operator]['method'])) {
$haversine_options = array(
'origin_latitude' => $options['latitude'],
'origin_longitude' => $options['longitude'],
'destination_latitude' => $this->table_alias . '.' . $lat_alias,
'destination_longitude' => $this->table_alias . '.' . $lon_alias,
'earth_radius' => $this->value['unit'],
);
$this
->{$info[$this->operator]['method']}($haversine_options);
}
}
}
function op_between($options) {
$this->query
->add_where_expression($this->options['group'], geofield_haversine($options) . ' ' . strtoupper($this->operator) . ' ' . $this->value['distance'] . ' AND ' . $this->value['distance2']);
}
function op_simple($options) {
$this->query
->add_where_expression($this->options['group'], geofield_haversine($options) . ' ' . $this->operator . ' ' . $this->value['distance']);
}
function option_definition() {
$options = parent::option_definition();
$options['source'] = array(
'default' => 'manual',
);
$options['value'] = array(
'default' => array(
'distance' => 100,
'distance2' => 200,
'unit' => GEOFIELD_KILOMETERS,
'origin' => array(),
),
);
$proximityHandlers = module_invoke_all('proximity_views_handlers');
foreach ($proximityHandlers as $key => $handler) {
if (class_exists($handler['class'])) {
$proximityPlugin = new $handler['class']();
$proximityPlugin
->option_definition($options, $this);
}
}
return $options;
}
function options_form(&$form, &$form_state) {
parent::options_form($form, $form_state);
$form['source'] = array(
'#type' => 'select',
'#title' => t('Source of Origin Point'),
'#description' => t('How do you want to enter your origin point?'),
'#options' => array(),
'#attached' => array(
'js' => array(
drupal_get_path('module', 'geofield') . '/js/viewsProximityValue.js',
),
),
'#default_value' => $this->options['source'],
);
$form['source_change'] = array(
'#type' => 'submit',
'#value' => 'Change Source Widget',
'#submit' => array(
'geofield_views_ui_change_proximity_widget',
),
);
$proximityHandlers = module_invoke_all('proximity_views_handlers');
foreach ($proximityHandlers as $key => $handler) {
if ($key != 'exposed_geofield_filter') {
$form['source']['#options'][$key] = $handler['name'];
if (class_exists($handler['class'])) {
$proximityPlugin = new $handler['class']();
$proximityPlugin
->options_form($form, $form_state, $this);
}
}
}
foreach ($form as $key => $form_item) {
if (isset($form_item['#proximity_plugin_value_element']) && $form_item['#proximity_plugin_value_element'] == TRUE) {
unset($form[$key]);
}
}
}
function options_validate(&$form, &$form_state) {
parent::options_validate($form, $form_state);
$proximityPlugin = geofield_proximity_load_plugin($form_state['values']['options']['source']);
$proximityPlugin
->options_validate($form, $form_state, $this);
}
function value_form(&$form, &$form_state) {
$form['value'] = array(
'#type' => 'geofield_proximity',
'#title' => t('Proximity Search'),
'#default_value' => array(
'distance' => $this->value['distance'],
'unit' => $this->value['unit'],
'origin' => is_string($this->value['origin']) ? trim($this->value['origin']) : $this->value['origin'],
),
'#origin_options' => array(
'#attributes' => array(
'class' => array(
'geofield-proximity-origin',
),
),
),
);
$proximityPlugin = geofield_proximity_load_plugin($this->options['source']);
$proximityPlugin
->value_form($form, $form_state, $this);
if (in_array($this->operator, array(
'between',
'not between',
))) {
$form['value']['#geofield_range'] = TRUE;
$form['value']['#default_value']['distance2'] = $this->value['distance2'];
}
}
function value_validate($form, &$form_state) {
parent::value_validate($form, $form_state);
$proximityPlugin = geofield_proximity_load_plugin($form_state['values']['options']['source']);
$proximityPlugin
->value_validate($form, $form_state, $this);
}
function admin_summary() {
if (!empty($this->options['exposed'])) {
return t('exposed');
}
$options = $this
->operator_options('short');
$output = check_plain($options[$this->operator]);
if (in_array($this->operator, $this
->operator_values(2))) {
$output .= ' ' . t('@min and @max', array(
'@min' => $this->value['distance'],
'@max' => $this->value['distance2'],
));
}
elseif (in_array($this->operator, $this
->operator_values(1))) {
$output .= ' ' . check_plain($this->value['distance']);
}
return $output;
}
function accept_exposed_input($input) {
if (empty($this->options['expose']['identifier'])) {
return TRUE;
}
if (!(isset($this->options['expose']) && isset($this->options['expose']['identifier']))) {
return FALSE;
}
$input_id = $this->options['expose']['identifier'];
if (empty($input[$input_id]) || $input[$input_id]['distance'] === '' || $input[$input_id]['origin'] === '') {
return FALSE;
}
$this->value['distance'] = $input[$input_id]['distance'];
$this->value['unit'] = $input[$input_id]['unit'];
$this->value['origin'] = $input[$input_id]['origin'];
return TRUE;
}
}
function geofield_views_ui_change_proximity_widget($form, &$form_state) {
$item =& $form_state['handler']->options;
$changed = $item['source'] != $form_state['values']['options']['source'];
$item['source'] = $form_state['values']['options']['source'];
if ($changed) {
if ($item['source'] == 'manual') {
$item['value']['origin'] = array(
'lat' => '',
'lon' => '',
);
}
else {
$item['value']['origin'] = '';
}
}
$form_state['view']
->set_item($form_state['display_id'], $form_state['type'], $form_state['id'], $item);
views_ui_cache_set($form_state['view']);
$form_state['rerender'] = TRUE;
$form_state['rebuild'] = TRUE;
$form_state['force_expose_options'] = TRUE;
}
