trpfancy_fields.module

<?php
/**
 * @file
 */

// Includes all non-class field functions.
include('includes/trpfancy_fields.fields.inc');
include('includes/TripalFields/data__identifier/data__identifier_widget.inc');

/**
 * Add all terms needed for our fields
 * @todo move this into an install file.
 */
function trpfancy_fields_add_field_terms() {

  $terms = array(
    array(
      'cv_name' => 'local',
      'id' => 'local:quick_search',
      'name' => 'Quick Search',
      'definition' => 'Provide a quick search on entity pages which submits/redirects to a full search.',
    ),
    array(
      'cv_name' => 'local',
      'id' => 'local:gbrowse_image',
      'name' => 'Gbrowse Image',
      'definition' => 'A GBrowse image of a feature alignment to another sequence',
    )
  );

  // Now add each term.
  foreach ($terms as $term) {
    tripal_insert_cvterm($term);
  }
}


/**
 * Implements hook_menu().
 */
function trpfancy_fields_menu() {
  // Menu home.
  $items['admin/tripal/extension/trpfancyfields'] = array(
    'title' => 'Tripal Fancy Fields',
    'description' => 'Tripal Fancy Fields.',
    'access arguments' => array('administer tripal'),
  );
  
  // ADMISTRATIVE PAGE:
  // A page for changing prefix used to generate uniquename in Identifier field.
  // NOTE: this variable is used by data__identifier field.
  $items['admin/tripal/extension/trpfancyfields/prefix'] = array(
    'title'     => 'Configure Data Identifier Prefix',
    'description' => t('Provides interface for configuring prefix used to auto-generate uniquename/identifier.'),
    'page callback' => 'drupal_get_form',
    'page arguments' => array('trpfancy_fields_config'),
    'access arguments' => array('administer tripal'),
    'type' => MENU_NORMAL_ITEM,
    'weight' => 1,
  );

  return $items;
}


/**
 * Function callback:
 * Construct form interface to update prefix configuration.
 */
function trpfancy_fields_config($form, &$form_state) {
  // System variable used to store prefix value:
  // NOTE: this variable is used by data__identifier field.
  $cur_prefix = variable_get('trpfancy_field_identifier_prefix');

  // Show an example of the prefix in action.
  $form['preview_prefix'] = array(
    '#type' => 'markup',
    '#markup' => 'Example (Prefix + ID#): <br />
      <div style="font-family: courier, serif; font-size: 2em; margin: 5px 0 20px 0; border: 1px solid #CCCCCC; padding: 10px; display: inline-block;">'
      . $cur_prefix . '<span style="color: #666666">' . mt_rand(7777, 9999) . '</span></div>',
  );

  // Prefix field.
  $form['trpfancy_field_identifier_prefix'] = array(
    '#type'    => 'textfield',
    '#title'     => t('Prefix'),
    '#description' => t('Prefix used to generate uniquename for Identifier field.'),
    '#default_value' => $cur_prefix,
    '#required' => TRUE,
  );

  // This will add a save button to this form, thus
  // no hook_submit nor hook_validate is required.
  return system_settings_form($form);
}