the Download Views data export form

File

tripal_views/tripal_views.views.inc, line 724

Tripal Views Integration

Code

function tripal_views_data_export_download_form(&$form_state, $view, $display_id, $args) {
  $form = array();
  $urls = array();

  // get any export_data_export displays
  $displays = $view->display;
  $options = array();
  $default = '';
  $current_display = $view->current_display;
  foreach ($displays as $name => $display) {
    if (preg_match("/^views_data_export/", $name)) {

      // only add this display to the form if it is attached
      $display_options = $display->display_options;
      if (strcmp($display_options['displays'][$current_display], $current_display) != 0) {
        continue;
      }

      // set the first item as default
      if (!$default) {
        $default = $display->id;
      }

      $path = $display->display_options['path'];
      $query = $view->get_exposed_input(); // retrieves elements in $_GET array

      $urls[$display->id]['path'] = $path;
      $urls[$display->id]['query'] = $query;

      // add the new item to the options array
      $options[$display->id] = $display->display_title;
    }
  }

  // only generate the form if we have views_data_export displays attached
  // to this view
  if (count($options) > 0) {

    $form_state['storage']['urls'] = $urls;
    $form['#cache'] = TRUE;

    // we want the form to redirect to a new window
    $form['#attributes']['target'] = "_blank";

    // now build the form elements
    $form['downloads'] = array(
      '#type' => 'fieldset',
      '#title' => 'Download Results',
      '#collapsible' => TRUE,
      '#collapsed' => FALSE
    );
    $form['downloads']['file_type'] = array(
      '#title' => t('File format'),
      '#type' => 'radios',
      '#options' => $options,
      '#required' => TRUE,
      '#default_value' => $default,
      '#description' => t('Please select a file format to download'),
    );
    $form['downloads']['submit'] = array(
      '#value' => t('Download Results'),
      '#type' => 'submit',
    );
  }
  return $form;
}