flickr_tags.module in Flickr 6

File

tags/flickr_tags.module

<?php

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

/**
 * Implements hook_menu().
 */
function flickr_tags_menu() {
  $items['flickr/%user/tags'] = array(
    'title' => 'Tags',
    'description' => 'Flickr main tag cloud page',
    'type' => MENU_LOCAL_TASK,
    'page callback' => 'flickr_tags_cloud',
    'page arguments' => array(
      1,
    ),
    'access callback' => 'flickr_photos_access',
    'access arguments' => array(
      1,
    ),
  );
  $items['flickr/%user/tags/cloud'] = array(
    'title' => 'Cloud',
    'description' => 'Flickr main tag cloud page',
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'access callback' => 'flickr_photos_access',
    'access arguments' => array(
      1,
    ),
  );
  $items['flickr/%user/tags/list'] = array(
    'title' => 'List',
    'description' => 'Flickr tag list page',
    'type' => MENU_LOCAL_TASK,
    'page callback' => 'flickr_tags_list',
    'page arguments' => array(
      1,
    ),
    'access callback' => 'flickr_photos_access',
    'access arguments' => array(
      1,
    ),
  );
  $items['flickr/%user/tags/%flickr_tag'] = array(
    'title' => 'Photos for tag',
    'description' => 'Show Flickr photos for a particular tag',
    'page callback' => 'flickr_tags_photos',
    'page arguments' => array(
      1,
      3,
    ),
    'access callback' => 'flickr_photos_access',
    'access arguments' => array(
      1,
    ),
  );
  return $items;
}
function flickr_tag_load($tag, $page = 1) {
  return $tag;
}
function flickr_tags_cloud($account, $nsid = NULL) {
  drupal_add_css(drupal_get_path('module', 'flickr_tags') . '/flickr_tags.css');
  $nsid = $account->flickr['nsid'];

  // 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', $account->uid, $nsid, $tag_arr);
}
function flickr_tags_list($account, $nsid = NULL) {
  drupal_add_css(drupal_get_path('module', 'flickr_tags') . '/flickr_tags.css');
  $nsid = $account->flickr['nsid'];

  // 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', $account->uid, $nsid, $tag_arr);
}
function flickr_tags_photos($account, $tagstring) {
  global $pager_page_array, $pager_total, $pager_total_items;
  if (variable_get('flickr_css', 1)) {
    drupal_add_css(drupal_get_path('module', 'flickr') . '/flickr.css');
  }
  $tag_arr = explode(',', $tagstring);
  $nsid = $account->flickr['nsid'];

  // 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' => $account->name,
    ));
    return '';
  }
  elseif (empty($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', $account->uid, $photo_arr);
}

/**
 * Implements hook_theme().
 */
function flickr_tags_theme() {
  return array(
    'flickr_tags_list' => array(
      'arguments' => array(
        'uid',
        'nsid',
        'tag_arr',
      ),
    ),
    'flickr_tags_cloud' => array(
      'arguments' => array(
        'uid',
        'nsid',
        'tag_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	Implements hook_menu().
flickr_tags_photos
flickr_tags_theme	Implements hook_theme().
flickr_tag_load
theme_flickr_tags_cloud
theme_flickr_tags_list