Provide a form for setting options.

This should be overridden by all child classes and it must define $form['value']

Overrides views_handler_filter::value_form

File

handlers/views_handler_filter_in_operator.inc, line 129

Class

views_handler_filter_in_operator

Simple filter to handle matching of multiple options selectable via checkboxes

Code

function value_form(&$form, &$form_state) {
  $form['value'] = array();

  $this->get_value_options();
  $options = $this->value_options;
  $default_value = (array) $this->value;

  $which = 'all';
  if (!empty($form['operator'])) {
    $source = ($form['operator']['#type'] == 'radios') ? 'radio:options[operator]' : 'edit-options-operator';
  }
  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 {
      $source = 'edit-' . form_clean_id($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);
      }
    }
  }

  if ($which == 'all' || $which == 'value') {
    $form['value'] = array(
      '#type' => $this->value_form_type,
      '#title' => $this->value_title,
      '#options' => $options,
      '#default_value' => $default_value,
      // These are only valid for 'select' type, but do no harm to checkboxes.
      '#multiple' => TRUE,
      '#size' => count($options) > 8 ? 8 : count($options),
    );
    if (!empty($form_state['exposed']) && !isset($form_state['input'][$identifier])) {
      $form_state['input'][$identifier] = $default_value;
    }

    $process = array();
    if ($this->value_form_type == 'checkboxes') {
      // If this form element will use checkboxes in the UI, we need to
      // check_plain() all the options ourselves since FAPI is inconsistent
      // about this. However, instead of directly doing that to the #options
      // right now, we define a #process callback since we might change our
      // mind later and convert this into a 'select' form element, which
      // would lead to double-escaping the options.
      $process[] = 'views_process_check_options';
    }
    if ($which == 'all') {
      if (empty($form_state['exposed']) && ($this->value_form_type == 'checkboxes' || $this->value_form_type == 'radios')) {
        $process[] = "expand_$this->value_form_type";
        $form['value']['#prefix'] = '<div id="edit-options-value-wrapper">';
        $form['value']['#suffix'] = '</div>';
      }
      $process[] = 'views_process_dependency';
      $form['value']['#dependency'] = array($source => $this->operator_values(1));
    }
    if (!empty($process)) {
      $form['value']['#process'] = $process;
    }
  }
}