public function availability_calendar_handler_filter_availability::value_form in Availability Calendars 7.5

Same name and namespace in other branches

1. 7.3 availability_calendar_handler_filter_availability.inc \availability_calendar_handler_filter_availability::value_form()
2. 7.4 views/availability_calendar_handler_filter_availability.inc \availability_calendar_handler_filter_availability::value_form()

Add validation and date popup(s) to the value form.

_state

Parameters

array $form:

Overrides views_handler_filter::value_form

File

views/availability_calendar_handler_filter_availability.inc, line 98

Class

availability_calendar_handler_filter_availability

Views handler to filter on availability.

Code

public function value_form(&$form, &$form_state) {
  $form['value']['#tree'] = TRUE;
  if (empty($form_state['exposed'])) {

    // We're in Views edit mode self. Add validator here. When we're in an
    // exposed form, validation will go via exposed_validate().
    $form['value']['#element_validate'][] = 'availability_calendar_handler_filter_availability_validate_value';
  }

  // Determine the operators to add.
  $dependent_element = '';
  $operators = $this
    ->operators();
  if (!empty($form_state['exposed'])) {
    if (empty($this->options['expose']['use_operator']) || empty($this->options['expose']['operator_id'])) {

      // Exposed form with operator not exposed: only add values for the set
      // operator.
      $operators = array_intersect_key($operators, array(
        $this->operator => 0,
      ));
    }
    else {

      // Exposed form with operator exposed: add all values and dependencies.
      $dependent_element = $this->options['expose']['operator_id'];
    }
  }
  else {

    // Views UI.
    if (!empty($form['operator'])) {
      $dependent_element = 'operator';
    }
  }
  if ($dependent_element) {
    $dependent_name = str_replace('_', '-', $dependent_element);
    $dependency_source = $form[$dependent_element]['#type'] === 'radios' ? "radio:options[{$dependent_name}]" : "edit-{$dependent_name}";
  }
  else {
    $dependency_source = NULL;
  }

  // Determine values to add and their dependencies.
  // Add value fields. As the title is based on both the type of value and the
  // operator, we add fields per operator, even if the type of value is the
  // same.
  $values = array();
  foreach ($operators as $operator => $options) {
    foreach ($options['values'] as $value) {
      if (isset($values[$value])) {
        $values[$value][] = $operator;
      }
      else {
        $values[$value] = array(
          $operator,
        );
      }
    }
  }
  foreach ($values as $value => $operators) {
    if ($value !== 'duration') {
      $form['value'][$value] = $this
        ->value_form_date_field($values[$value], $value, $dependency_source);
    }
    else {
      $form['value'][$value] = $this
        ->value_form_duration_field($values[$value], $value, $dependency_source);
    }
  }
  if (module_exists('date_popup')) {

    // If we have exactly 1 to field (to or to1) we turn the 2 date pickers
    // into 1 date range picker.
    if (!empty($form['value']['to'])) {
      if (empty($form['value']['to1'])) {
        $this
          ->change_elements_into_date_range_picker($form['value']['from'], 'to');
      }
    }
    else {
      if (!empty($form['value']['to1'])) {
        $this
          ->change_elements_into_date_range_picker($form['value']['from'], 'to1');
      }
    }
  }
}