dkan_dataset.admin.inc

<?php
/**
 * @file
 * Administration of DKAN Dataset
 */

/**
 * Menu Callback for DKAN Dataset teaser settings.
 */
function dkan_dataset_preview_settings() {
  $form = array();

  // Help text for formats
  $form['preview_list'] = array(
    '#type' => 'fieldset',
    '#title' => t('Available preview descriptions'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );

  $form['preview_list']['preview_list_table'] = array(
    '#prefix' => '<div id="preview-list-table">',
    '#suffix' => '</div>',
    '#markup' => _dkan_dataset_preview_list_table(),
  );

  $form['external_previews'] = array(
    '#type' => 'fieldset',
    '#title' => t('External Preview Settings'),
    '#description' => t('Enable or disable external preview links for all resource formats. Modify the list of available resource formats !here.', array(
      '!here' => l(t('here'), 'admin/structure/taxonomy/format'),
    )),
    '#collapsible' => FALSE,
  );
   $form['external_previews']['formats'] = array(
    '#prefix' => '<div id="external-previews-providers">',
    '#suffix' => '</div>',
    '#theme' => 'dkan_dataset_preview_settings_external_table_form',
    '#caption' => t('Enabled Preview Providers'),
    '#header' => array(t('Format'), t('Enabled Previews')),
    'rows' => array(),
  );
  $format_vocabulary = taxonomy_vocabulary_machine_name_load('format');
  $formats = taxonomy_get_tree($format_vocabulary->vid);
  $previews = dkan_dataset_teaser_get_external_previews();


  // We will check to see if the preview is is already toggled in the variable.
  // If not, we chekck the defaults set by the preview definition.
  foreach ($formats as $format) {
    $default_value = array();
    $preview_options = array();
    foreach ($previews as $machine_name => $preview) {
      // The local preview is not optional.
      if ($machine_name == 'dkan') {
        continue;
      }
      // Restrict available options to sugested formats
      if (in_array($format->name, $preview['suggested_formats'])) {
        $preview_options[$machine_name] = $preview['name'];
      }
      if (in_array($format->name, $preview['format'])) {
        $default_value[] = $machine_name;
      }
    }
    $form['external_previews']['formats']['rows'][] = array(
      'format' => array(
        '#markup' => $format->name,
      ),
      "dkan_dataset_format_previews_tid{$format->tid}" => array(
        '#type' => 'checkboxes',
        '#tree' => TRUE,
        '#title' => 'whatever',
        '#title_display' => 'invisible',
        '#options' => $preview_options,
        '#attributes' => array(),
        '#default_value' => $default_value,
      ),
    );
  }

  $form['dkan_dataset_teaser_preview_label'] = array(
    '#type' => 'textfield',
    '#default_value' => variable_get('dkan_dataset_teaser_preview_label', ''),
    '#title' => t('Label for local data preview'),
    '#description' => t('Any compatible format (like CSV) can be displayed in
      the local DKAN data preview. If you enter, for instance, "Data.gov" in
      this field, the link to the preview will read "Data.gov Preview." Leave
      blank to simply display the word "Preview".'),
  );

  return system_settings_form($form);
}

/**
 * Menu Callback for DKAN Dataset settings.
 */
function dkan_dataset_api_menu_settings() {
  drupal_goto('admin/config/services/odsm');
}

/**
 * Menu Callback for DKAN Dataset form settings.
 */
function dkan_dataset_form_settings() {
  $form = array();
  $form['dkan_dataset_form_additional_info'] = array(
    '#type' => 'checkbox',
    '#title' => t('Divide Dataset form into main form and "Additional Data" (CKAN style).'),
    '#default_value' => variable_get('dkan_dataset_form_additional_info', 1),
  );
  $form['dkan_dataset_form_pod_validation'] = array(
    '#type' => 'checkbox',
    '#title' => t('Validate dataset form according to Project Open Data (more strict
        than default DKAN validation).'),
    '#description' => t('By default, DKAN make only a small number of metadata fields required to
        create datasets. Enable this setting to make all fields required by Project Open Data
        be required fields on the dataset form. Note: "Publisher" is a required Project Open Data
        field that is usually mapped to the "Group" field in DKAN. Use the setting below to make
        this field required as well.'),
    '#default_value' => variable_get('dkan_dataset_form_pod_validation', 0),
  );
  $form['dkan_dataset_form_group_validation'] = array(
    '#type' => 'checkbox',
    '#title' => t('Require datasets to have a group.'),
    '#description' => t('Enable to force users to set a specific group for every dataset.
        If you are leaving this un-checked and therefore making groups optional for datasets,
        be aware that you may end up with an empty "publisher" field in your data.json
        and DCAT endpoints if you do not have a fallback value set in
        <a href="/admin/config/services/odsm/edit/data_json_1_1">Open Data Schema Map</a> for those endpoints.
        Also note that a user who is not a member of any group will not be able
        to create new datasets if this is enabled.'),
    '#default_value' => variable_get('dkan_dataset_form_group_validation', 0),
  );

  return system_settings_form($form);
}

/**
 * Create table of available formats.
 * @todo This should be a theme function.
 * @return string Formatted table
 */
function _dkan_dataset_preview_list_table() {
  $vars = array(
    'header' => array(t('Preview Type'), t('Information')),
    'rows' => array(),
  );

  $previews = dkan_dataset_teaser_get_external_previews();
  foreach ($previews as $preview) {
    $info = $preview['description'] . '<br /><strong>' . t('Suggested formats:') . '</strong> <em>';
    $info .= implode(', ', $preview['suggested_formats']) . '</em>';
    $vars['rows'][] = array($preview['name'], $info);
  }
  return theme('table', $vars);
}