Club Drupal

<?php

/**

 * @file

 * Provides the theming functions for fivestar

 */

/**

 * Show a preview of a widget using a custom CSS file.

 */

function theme_fivestar_preview_widget($variables) {

  $path = drupal_get_path('module', 'fivestar');

  $form = array(

    '#post' => array(),

    '#programmed' => FALSE,

    '#tree' => FALSE,

    '#parents' => array(),

    '#array_parents' => array(),

    '#required' => FALSE,

    '#attributes' => array(),

    '#title_display' => 'before',

  );

  $form_state = form_state_defaults();

  $form_state['values'] = array();

  $form_state['process_input'] = array();

  $form_state['complete form'] = array();

  $form['vote'] = array(

    '#type' => 'fivestar',

    '#stars' => 5,

    '#auto_submit' => FALSE,

    '#allow_clear' => TRUE,

    '#widget' => array(

      'name' => isset($variables['name']) ? $variables['name'] : 'default',

      'css' => isset($variables['css']) && $variables['css'] != 'default' ? $variables['css'] : FALSE,

    ),

  );

  // Attach necessary JS settings

  $settings = array(

    'titleUser' => t('Your rating') . ': ',

    'titleAverage' => t('Average') . ': ',

    'feedbackSavingVote' => t('Saving your vote...'),

    'feedbackVoteSaved' => t('Your vote has been saved.'),

    'feedbackDeletingVote' => t('Deleting your vote...'),

    'feedbackVoteDeleted' => t('Your vote has been deleted.'),

  );

  drupal_add_js(array('fivestar' => $settings), 'setting');

  $form = form_builder('fivestar_preview', $form, $form_state);

  $output = '<div class="fivestar-star-preview fivestar-' . $form['vote']['#widget']['name'] . '">';

  $output .= drupal_render_children($form);

  $output .= '</div>';

  return $output;

}

function theme_fivestar_preview($variables) {

  extract($variables, EXTR_SKIP);

  $values = array(

    'average' => 50,

    'user' => 80,

    'count' => 20,

  );

  $settings = array(

    'stars' => $stars,

    'allow_clear' => $unvote,

    'style' => $style,

    'text' => $text,

    'title' => $title,

    'autosubmit' => FALSE,

    'tag' => 'vote',

  );

  $form = drupal_get_form('fivestar_custom_widget', $values, $settings);

  $form = drupal_render($form);

  // This regex is sadly necessary because having duplicate form_tokens or

  // form_id elements can cause the content type form to choke. Forms inside of

  // forms is also frowned upon, so this removes the wrapping form tag as well.

  $form = str_replace(array('<form', '</form>'), array('<div', '</div>'), $form);

  $form = preg_replace('/( method=".*?")|( action=".*?")|(<input.*?name="(form_token|form_id|destination|form_build_id)".*?\/>)/', '', $form);

  return $form;

}

function theme_fivestar_preview_wrapper($variables) {

  return '<div class="fivestar-preview fivestar-preview-' . $variables['type'] . '">' . $variables['content'] . '</div>';

}

/**

 * Theme function for 'default' fivestar field formatter.

 *

 * This themes static stars. That is, pairs of stars where neither set

 * of stars is "exposed". Exposed stars are clickable and displayed in a

 * form. Theming of exposed stars is handled by the form array (and calls

 * the same theme functions called at the end of this function).

 */

function theme_fivestar_formatter_default($variables) {

  $element = $variables['element'];

  if (empty($element['#instance_settings']['stars'])) {

    $element['#instance_settings']['stars'] = 5;

  }

  // Add CSS and JS

  $path = drupal_get_path('module', 'fivestar');

  drupal_add_js($path . '/js/fivestar.js');

  drupal_add_css($path . '/css/fivestar.css');

  $variables = array(

    'rating' => $element['#rating'],

    'stars' => $element['#instance_settings']['stars'],

    'widget' => $element['#widget'],

  );

  $star_display = theme('fivestar_static', $variables);

  return theme('fivestar_static_element', array('description' => $element['#description'], 'star_display' => $star_display, 'is_form' => FALSE));

}

/**

 * Theme function for 'rating' fivestar field formatter.

 */

function theme_fivestar_formatter_rating($variables) {

  $element = $variables['element'];

  if (empty($element['#item']['average'])) {

    $element['#item']['average'] = 0;

  }

  // Get number of stars.

  $stars = (empty($element['#instance_settings']['stars'])) ? 5 : $element['#instance_settings']['stars'];

  $average = $element['#item']['average'];

  // Rating is X out of Y stars.

  $rating = round(($average/100) * $stars, 1);

  $output = $rating . '/' . $stars;

  return $output;

}

/**

 * Theme function for 'percentage' fivestar field formatter.

 */

function theme_fivestar_formatter_percentage($variables) {

  $element = $variables['element'];

  if (empty($element['#item']['average'])) {

    $element['#item']['average'] = 0;

  }

  return round($element['#item']['average'], 1) . '%';

}

/**

 * Theme the fivestar form element by adding necessary css and javascript.

 */

function theme_fivestar($variables) {

  $element = $variables['element'];

  return theme('form_element', array('element' => $element));

}

/**

 * Theme the straight HTML version of the fivestar select list. This is used

 * to remove the wrapping 'form-item' div from the select list.

 */

function theme_fivestar_select($variables) {

  $element = $variables['element'];

  element_set_attributes($element, array('id', 'name', 'size'));

  _form_set_class($element, array('form-select'));

  return '<select' . drupal_attributes($element['#attributes']) . '>' . form_select_options($element) . '</select>';

}

/**

 * Display a plain HTML view-only version of the widget with a specified rating.

 *

 * @param $rating

 *   The desired rating to display out of 100 (i.e. 80 is 4 out of 5 stars).

 * @param $stars

 *   The total number of stars this rating is out of.

 * @param $tag

 *   Allows multiple ratings per node.

 * @return

 *   A themed HTML string representing the star widget.

 */

function theme_fivestar_static($variables) {

  $rating  = $variables['rating'];

  $stars = $variables['stars'];

  $tag = $variables['tag'];

  $widget = $variables['widget'];

  if ($widget['name'] != 'default') {

    $path = drupal_get_path('module', 'fivestar');

    drupal_add_css($path . '/css/fivestar.css');

    drupal_add_css($widget['css']);

  }

  $output = '<div class="fivestar-' . $widget['name'] . '">';

  $output .= '<div class="fivestar-widget-static fivestar-widget-static-' . $tag . ' fivestar-widget-static-' . $stars . ' clearfix">';

  if (empty($stars)) {

    $stars = 5;

  }

  $numeric_rating = $rating/(100/$stars);

  for ($n=1; $n <= $stars; $n++) {

    $star_value = ceil((100/$stars) * $n);

    $prev_star_value = ceil((100/$stars) * ($n-1));

    $zebra = ($n % 2 == 0) ? 'even' : 'odd';

    $first = $n == 1 ? ' star-first' : '';

    $last = $n == $stars ? ' star-last' : '';

    $output .= '<div class="star star-' . $n . ' star-' . $zebra . $first . $last . '">';

    if ($rating < $star_value && $rating > $prev_star_value) {

      $percent = (($rating - $prev_star_value) / ($star_value - $prev_star_value)) * 100;

      $output .= '<span class="on" style="width: ' . $percent . '%">';

    }

    elseif ($rating >= $star_value) {

      $output .= '<span class="on">';

    }

    else {

      $output .= '<span class="off">';

    }

    if ($n == 1)$output .= $numeric_rating;

    $output .= '</span></div>';

  }

  $output .= '</div></div>';

  return $output;

}

/**

 * Display the text associated with a static star display.

 *

 * Note that passing in explicit data types is extremely important when using

 * this function. A NULL value will exclude the value entirely from display,

 * while a 0 value indicates that the text should be shown but it has no value

 * yet.

 *

 * All ratings are from 0 to 100.

 *

 * @param $user_rating

 *   The current user's rating.

 * @param $average

 *   The average rating.

 * @param $votes

 *   The total number of votes.

 * @param $stars

 *   The number of stars being displayed.

 * @return

 *   A themed HTML string representing the star widget.

 */

function theme_fivestar_summary($variables) {

  $microdata = $variables['microdata'];

  extract($variables, EXTR_SKIP);

  $output = '';

  $div_class = '';

  $average_rating_microdata = '';

  if (isset($user_rating)) {

    $div_class = isset($votes) ? 'user-count' : 'user';

    $user_stars = round(($user_rating * $stars) / 100, 1);

    $output .= '<span class="user-rating">' . t('Your rating: <span>!stars</span>', array('!stars' => $user_rating ? $user_stars : t('None'))) . '</span>';

  }

  if (isset($user_rating) && isset($average_rating)) {

    $output .= ' ';

  }

  if (isset($average_rating)) {

    $div_class = isset($votes) ? 'average-count' : 'average';

    $average_stars = round(($average_rating * $stars) / 100, 1);

    if (!empty($microdata['average_rating']['#attributes'])) {

      $average_rating_microdata = drupal_attributes($microdata['average_rating']['#attributes']);

    }

    $output .= '<span class="average-rating">' . t('Average: !stars',

      array('!stars' => "<span $average_rating_microdata>$average_stars</span>")) . '</span>';

  }

  if (isset($user_rating) && isset($average_rating)) {

    $div_class = 'combo';

  }

  if (isset($votes) && !(isset($user_rating) || isset($average_rating))) {

    $output .= ' <span class="total-votes">' . format_plural($votes, '<span>@count</span> vote', '<span>@count</span> votes') . '</span>';

    $div_class = 'count';

  }

  elseif (isset($votes)) {

    $output .= ' <span class="total-votes">(' . format_plural($votes, '<span>@count</span> vote', '<span>@count</span> votes') . ')</span>';

  }

  if ($votes === 0) {

    $output = '<span class="empty">' . t('No votes yet') . '</span>';

  }

  $output = '<div class="fivestar-summary fivestar-summary-' . $div_class . '">' . $output . '</div>';

  return $output;

}

/**

 * Display a static fivestar value as stars with a title and description.

 */

function theme_fivestar_static_element($variables) {

  $output = '';

  if (isset($variables['is_form']) && !$variables['is_form']) {

    $output .= '<div class="fivestar-static-item">';

  }

  else {

    $output .= '<div class="fivestar-static-form-item">';

  }

  $element = array(

    '#type' => 'item',

    '#title' => $variables['title'],

    '#description' => $variables['description'],

    '#children' => $variables['star_display'],

  );

  $output .= theme('form_element', array('element' => $element));

  $output .= '</div>';

  return $output;

}