flickrbrowser.module

<?php

/**
 * Implements hook_page_build().
 */
function flickrbrowser_page_build(&$page) {

  // Add the api key to the Drupal js settings object.
  drupal_add_js(array(
    'flickrbrowser' => array(
      'api_key' => variable_get('flickr_api_key', array()),
    ),
  ), array('type' => 'setting', 'scope' => JS_DEFAULT));

  $path = drupal_get_path('module', 'flickrbrowser');
  
  drupal_add_css($path . '/flickrbrowser.css');
  drupal_add_js($path . '/flickrbrowser.js');
  drupal_add_js($path . '/quickpager.jquery.js');
}

/**
 * Implements hook_field_widget_info().
 */
function flickrbrowser_field_widget_info() {
  return array(
    'flickrbrowser' => array(
      'label' => 'Flickr Photo with Browser',
      'field types' => array('flickrfield'),
      'behaviors' => array(
        'multiple values' => FIELD_BEHAVIOR_DEFAULT,
        'default value' => FIELD_BEHAVIOR_DEFAULT,
       ),
    ),
  );
}

/**
 * Implements hook_element_info().
 */
function flickrbrowser_element_info() {
  return array(
    'flickrbrowser' => array(
      '#input' => TRUE,
      '#columns' => array('type', 'id', 'uid'),
      '#process' => array('flickrbrowser_form_process_flickrbrowser'),
    ),
  );
}

/**
 * Implements hook_field_widget_form().
 */
function flickrbrowser_field_widget_form(&$form, &$form_state, $field, $instance, $langcode, $items, $delta, $element) {

  $element = array(  
    '#type' => $instance['widget']['type'],
    '#default_value' => isset($items[$delta]) ? $items[$delta] : '',
  ); 
  
  return $element;
}

/**
 * @todo Please document this function.
 * @see http://drupal.org/node/1354
 */
function flickrbrowser_form_process_flickrbrowser($element, $form_state, $form = array()) {

  // Load the flickr include file
  require_once DRUPAL_ROOT . '/' . drupal_get_path('module', 'flickr') . '/flickr.inc';
  // Get the nsid, api key and secret
  $nsid = variable_get('flickr_default_userid', '');
  // Get all photosets for our nsid
  $sets = flickr_photoset_get_list($nsid);
  
  // Set initial photoset array element blank for the select list
  $photosets = array('' => '');

  // Populate the photoset list with returned values from flickr
  foreach ($sets as $set) {
    $photosets[$set['id']] = t($set['title']['_content']);
  }
  
  // If the photo id is not empty grab the image from flickr
  if (!empty($element['#value']['id'])) {
    $photoinfo = flickr_photo_get_info($element['#value']['id']);
    $photo = flickr_img($photoinfo, 's');
  }

  // If we do indeed have a photo hide the browser, otherwise hide the remove link
  if (isset($photo)) {
    $hidebrowser = "hide";
    $hideremove = "";
  }
  else {
    $photo = "";
    $hidebrowser = "";
    $hideremove = "hide";
  }

  // Manually set the element type and hide it
  $element['type'] = array(
    '#type' => 'hidden',
    '#value' => 'photo_id',
    '#default_value' => 'photo_id',
  );

  // Id value, has attributes and prefix/suffix classes for the images
  $element['id'] = array(
    '#type' => 'hidden',
    '#title' => t('Item id'),
    '#default_value' => !empty($element['#value']['id']) ? $element['#value']['id'] : '',
    '#prefix' => '<div class="photo-selected">' . $photo . '</div>',
    '#suffix' => '<div class="photo-remove ' . $hideremove . '"><a class="remove-selected">Remove</a></div>',
    '#attributes' => array('class' => array('flickr-id')),
  );

  // Set the nsid to the sites default and don't allow it to be changed
  $element['nsid'] = array(
    '#type' => 'hidden',
    '#default_value' => !empty($element['#value']['nsid']) ? $element['#value']['nsid'] : variable_get('flickr_default_userid', ''),
    '#value' => !empty($element['#value']['nsid']) ? $element['#value']['nsid'] : variable_get('flickr_default_userid', ''),
  );

  // Photoset list element
  $element['photoset'] = array(
    '#type' => 'select',
    '#default_value' => t(''),
    '#title' => t('Select Photoset'),
    '#options' => $photosets,
    '#attributes' => array('class' => array('photoset-selector')),
    '#prefix' => '<div class="flickrbrowser ' . $hidebrowser . '">',
    '#suffix' => '<div class="photo-selector"></div></div>',
  );

  return $element;
}

/**
 * Implements hook_theme().
 */
function flickrbrowser_theme() {
  
  $theme = array(
    'flickrbrowser' => array(
      'variables' => array('element' => NULL),
	  'template' => 'flickrbrowser'
    ),
  );
  
  return $theme;

}

/**
 * Theme for the form element.
 *
 * The form is already rendered by the child elements by the time it comes back here,
 * just group each delta grouping into its own fieldset.
 */

function theme_flickrbrowser($variables) {
  //$test = "TESTING";
  
  $element = $variables['element'];
  $field = field_info_field($element['#field_name']);
  
  $fieldset = array(
    '#value' => $element['#children'],
    '#collapsible' => FALSE,
    '#collapsed' => FALSE,
    '#description' => $element['#description'],
    '#attributes' => array('class' => array('flickrbrowser-wrapper')),
  );
  return theme('fieldset', $fieldset);
  
  //return $test;
}