function views_plugin_style_rss_fields::options_form in Views RSS 6

Same name and namespace in other branches

1. 7 views/views_plugin_style_rss_fields.inc \views_plugin_style_rss_fields::options_form()

Provide a form for setting options.

_state

Parameters

array $form:

File

views/views_plugin_style_rss_fields.inc, line 77

Class

views_plugin_style_rss_fields

Extend the view_plugin_style class to provide an RSS view style.

Code

function options_form(&$form, &$form_state) {
  parent::options_form($form, $form_state);
  $handlers = $this->display->handler
    ->get_handlers('field');
  if (empty($handlers)) {
    $form['error_markup'] = array(
      '#value' => t('You need at least one field before you can configure your field settings'),
      '#prefix' => '<div class="error form-item description">',
      '#suffix' => '</div>',
    );
  }
  else {

    // Feed Description
    $form['feed_settings'] = array(
      '#type' => 'fieldset',
      '#title' => t('Feed settings'),
      '#collapsible' => TRUE,
      '#collapsed' => TRUE,
      '#weight' => -5,
    );

    // Legacy setting: previously Feed Description fieldset name was different.
    // Should probably rather go to hook_update_N()...
    if (isset($this->options['description']['feed_description']) && $this->options['description']['feed_description']) {
      $this->options['feed_settings']['feed_description'] = $this->options['description']['feed_description'];
    }
    $form['feed_settings']['feed_description'] = array(
      '#title' => t('Feed description'),
      '#type' => 'textarea',
      '#default_value' => isset($this->options['feed_settings']['feed_description']) ? $this->options['feed_settings']['feed_description'] : '',
      '#description' => t('Description for this feed. If left blank, the default site mission will be used.'),
    );

    // Namespaces
    $form['feed_settings']['namespaces'] = array(
      '#type' => 'fieldset',
      '#title' => t('XML namespace definitions'),
      '#collapsible' => TRUE,
      '#collapsed' => TRUE,
    );

    // Loop through all available fields (both predefined by this module
    // as well as those coming from hook_views_rss_item_fields_alter()
    // implementations by other modules) and check if there are any other
    // namespaces that should be added to configuration form.
    $predefined_namespaces = $this
      ->xml_namespaces();
    foreach (array_keys($this
      ->xml_fields()) as $field_name) {
      if (strstr($field_name, ':')) {
        list($namespace, $field) = explode(':', $field_name);

        // Namespaces predefined by this module should be excluded.
        if (!in_array($namespace, array_keys($predefined_namespaces))) {
          $form['feed_settings']['namespaces'][$namespace] = array(
            '#title' => t('URI reference for "%namespace" namespace', array(
              '%namespace' => $namespace,
            )),
            '#type' => 'textfield',
            '#default_value' => isset($this->options['feed_settings']['namespaces'][$namespace]) ? $this->options['feed_settings']['namespaces'][$namespace] : NULL,
            '#description' => t("Example: <em>http://base.google.com/ns/1.0</em>"),
          );
        }
      }
    }
    $form['feed_settings']['feed_in_links'] = array(
      '#type' => 'checkbox',
      '#default_value' => !empty($this->options['feed_settings']['feed_in_links']),
      '#title' => t('Display feed icon in the links attached to the view.'),
      '#weight' => 10,
    );

    // Field Chooser
    $field_names = array(
      '' => '--',
    );
    foreach ($handlers as $field => $handler) {
      if ($label = $handler
        ->label()) {
        $field_names[$field] = $label;
      }
      else {
        $field_names[$field] = $handler
          ->ui_name();
      }
    }
    $form['fields'] = array(
      '#type' => 'fieldset',
      '#title' => 'Field settings',
      '#description' => t('Select the fields that relevant data for each element of the feed. See <a href="@guide_url">Views RSS configuration guide</a> for more information.', array(
        '@guide_url' => url('http://drupal.org/node/1344136'),
      )),
      '#collapsible' => TRUE,
      '#collapsed' => TRUE,
      '#weight' => 0,
    );
    foreach ($this
      ->xml_fields() as $k => $option) {
      $form['fields'][$k] = array(
        '#type' => 'select',
        '#title' => $option['title'],
        '#description' => isset($option['description']) ? $option['description'] : '',
        '#options' => $field_names,
        '#default_value' => $this->options['fields'][$k],
      );
    }

    // GeoRSS
    $form['georss'] = array(
      '#type' => 'fieldset',
      '#title' => t('GeoRSS field settings'),
      '#description' => t('Select fields that provide the latitude and longitude values for feed items.'),
      '#collapsible' => TRUE,
      '#collapsed' => TRUE,
      '#weight' => 5,
    );
    $form['georss']['lat'] = array(
      '#type' => 'select',
      '#title' => t('Latitude'),
      '#options' => $field_names,
      '#default_value' => $this->options['georss']['lat'],
    );
    $form['georss']['lon'] = array(
      '#type' => 'select',
      '#title' => t('Longitude'),
      '#options' => $field_names,
      '#default_value' => $this->options['georss']['lon'],
    );
    $form['georss']['featureName'] = array(
      '#type' => 'select',
      '#title' => t('Feature Name'),
      '#options' => $field_names,
      '#default_value' => $this->options['georss']['featureName'],
    );
  }
}