flickr_tags.module in Flickr 5

File

tags/flickr_tags.module

<?php

require_once drupal_get_path('module', 'flickr') . '/flickr.inc';

/**
 * Implementation of hook_menu().
 */
function flickr_tags_menu($may_cache) {
  global $user;
  $items = array();
  if ($may_cache) {
  }
  else {
    if (arg(0) == 'flickr' && is_numeric(arg(1)) && arg(1) > 0) {
      $account = user_load(array(
        'uid' => arg(1),
      ));
      if ($account !== FALSE && isset($account->flickr['nsid'])) {
        $nsid = $account->flickr['nsid'];
        $admin_access = user_access('administer flickr');

        // let a user view their own account or all if they have permission
        $view_access |= user_access('view own flickr photos') && $user->uid == arg(1) || user_access('view all flickr photos');

        // Only admins can view blocked accounts
        $view_access &= $account->status || $admin_access;

        //flickr main tags page(cloud)
        $items[] = array(
          'path' => 'flickr/' . arg(1) . '/tags',
          'title' => t("Tags"),
          'type' => MENU_LOCAL_TASK,
          'callback' => 'flickr_tags_cloud',
          'callback arguments' => array(
            arg(1),
            $nsid,
          ),
          'access' => $view_access,
        );
        $items[] = array(
          'path' => 'flickr/' . arg(1) . '/tags/cloud',
          'title' => t("Cloud"),
          'type' => MENU_DEFAULT_LOCAL_TASK,
          'access' => $view_access,
        );

        //flickr tag list page
        $items[] = array(
          'path' => 'flickr/' . arg(1) . '/tags/list',
          'title' => t("List"),
          'type' => MENU_LOCAL_TASK,
          'callback' => 'flickr_tags_list',
          'callback arguments' => array(
            arg(1),
            $nsid,
          ),
          'access' => $view_access,
        );

        //flickr specific tag page
        if (arg(3) !== NULL && arg(3) != 'cloud' && arg(3) != 'list') {
          $items[] = array(
            'path' => 'flickr/' . arg(1) . '/tags/' . arg(3),
            'title' => t('Tags: @tags', array(
              '@tags' => str_replace(',', ', ', arg(3)),
            )),
            'type' => MENU_LOCAL_TASK,
            'callback' => 'flickr_tags_photos',
            'callback arguments' => array(
              arg(1),
              $nsid,
              arg(3),
            ),
            'access' => $view_access,
          );
        }
      }
    }
  }
  return $items;
}
function flickr_tags_cloud($uid, $nsid) {
  drupal_add_css(drupal_get_path('module', 'flickr_tags') . '/flickr_tags.css');
  $account = user_load(array(
    'uid' => $uid,
  ));

  //get tag info
  $poptag_response = flickr_tags_get_list_user_popular($nsid, variable_get('flickr_tags_in_cloud', 150));
  if ($poptag_response === FALSE) {
    drupal_set_message(t('Error retrieving %user\'s tags from Flickr'), array(
      '%user' => $account->name,
    ));
    return '';
  }
  elseif (empty($poptag_response)) {
    drupal_set_message(t('%user has no tags'), array(
      '%user' => $account->name,
    ));
    return '';
  }
  $tag_arr = array();
  $tags = $poptag_response;
  foreach ($tags as $tag) {
    $tag_arr[$tag['_content']] = $tag['count'];
  }
  return theme('flickr_tags_cloud', $uid, $nsid, $tag_arr);
}
function flickr_tags_list($uid, $nsid) {
  drupal_add_css(drupal_get_path('module', 'flickr_tags') . '/flickr_tags.css');
  $account = user_load(array(
    'uid' => $uid,
  ));

  //get all tags
  $taglist_response = flickr_tags_get_list_user($nsid);
  if ($taglist_response === FALSE) {
    drupal_set_message(t('Error retrieving %user\'s tags from Flickr'), array(
      '%user' => $account->name,
    ));
    return '';
  }
  elseif (empty($taglist_response)) {
    drupal_set_message('%user has no tags', array(
      '%user' => $account->name,
    ));
    return '';
  }
  $tags = $taglist_response;
  $tag_arr = array();
  foreach ($tags as $tag) {
    $tag_arr[] = $tag['_content'];
  }

  //pass array to the theme function
  return theme('flickr_tags_list', $uid, $nsid, $tag_arr);
}
function flickr_tags_photos($uid, $nsid, $tagstring) {
  global $pager_page_array, $pager_total, $pager_total_items;
  drupal_add_css(drupal_get_path('module', 'flickr') . '/flickr.css');
  $tag_arr = explode(',', $tagstring);
  $account = user_load(array(
    'uid' => $uid,
  ));

  //set this to something else if you want multiple pagers
  $element = 0;
  $pager_page_array[$element] = empty($_GET['page']) ? 0 : (int) $_GET['page'];
  $photo_arr = flickr_photos_search($nsid, $pager_page_array[$element] + 1, flickr_tag_request_args($tag_arr));
  if ($photo_arr === FALSE) {
    drupal_set_message(t('Error retrieving %user\'s photos from Flickr'), array(
      '%user' => $account->name,
    ));
    return '';
  }
  else {
    if (empty($photo_arr)) {
      drupal_set_message(t('No photos tagged with %tags found in %user\'s Flickr account'), array(
        '%user' => $account->name,
        '%tags' => str_replace(',', ', ', $tagstring),
      ));
      return '';
    }
  }

  //set pager information we just acquired
  $pager_total[$element] = $photo_arr['pages'];
  $pager_total_items[$element] = $photo_arr['total'];
  return theme('flickr_photos', $uid, $photo_arr);
}
function theme_flickr_tags_list($uid, $nsid, $tag_arr) {
  $output = "<ul id='flickr_taglist'>\n";
  $first_char = '';
  foreach ($tag_arr as $tag) {
    if ($first_char != substr($tag, 0, 1)) {
      $new_item = TRUE;
    }
    else {
      $new_item = FALSE;
    }
    if ($first_char != '' && $new_item) {
      $output .= "</ul></li>\n";
    }
    if ($new_item) {
      $first_char = substr($tag, 0, 1);
      $output .= "<li><ul>\n";
    }
    $output .= "<li>\n";
    $output .= l($tag, "flickr/{$uid}/tags/{$tag}") . "\n";
    $output .= "</li>\n";
  }
  if ($first_char != '') {
    $output .= "</ul></li>\n";
  }
  $output .= "</ul>\n";
  return $output;
  '';
}
function theme_flickr_tags_cloud($uid, $nsid, $tag_arr) {
  $max_occur = max($tag_arr);
  $min_occur = max($tag_arr);

  // Font size specified in em
  $max_font = 3.5;
  $min_font = 0.7;
  $output = "<ul id='flickr_tagcloud'>\n";
  foreach ($tag_arr as $tagname => $occurences) {
    $font_size = round(($max_font - $min_font) * sqrt($occurences / $max_occur) + $min_font, 1);
    $output .= "<li style='font-size: {$font_size}em'>\n";
    $output .= l($tagname, "flickr/{$uid}/tags/{$tagname}") . "\n";
    $output .= "</li>\n";
  }
  $output .= "</ul>\n";
  return $output;
}

Functions

Name	Description
flickr_tags_cloud
flickr_tags_list
flickr_tags_menu	Implementation of hook_menu().
flickr_tags_photos
theme_flickr_tags_cloud
theme_flickr_tags_list