<?php

/**
 * Implements hook_rate_templates().
 */
function rate_slider_rate_templates() {
  $templates = array();

  $templates['slider'] = new stdClass();
  $templates['slider']->value_type = 'percent';
  $templates['slider']->options = array(
    array(10, '1'),
    array(20, '2'),
    array(30, '3'),
    array(40, '4'),
    array(50, '5'),
    array(60, '6'),
    array(70, '7'),
    array(80, '8'),
    array(90, '9'),
    array(100, '10'),
  );
  $templates['slider']->theme = 'rate_template_slider';
  $templates['slider']->css = drupal_get_path('module', 'rate_slider') . '/templates/slider/slider.css';
  $templates['slider']->js = drupal_get_path('module', 'rate_slider') . '/templates/slider/slider.js';
  $templates['slider']->customizable = FALSE;
  $templates['slider']->translate = FALSE;
  $templates['slider']->template_title = t('Slider');

  return $templates;
}

/**
 * Implements hook_theme().
 */
function rate_slider_theme() {
  return array(
    'rate_template_slider' => array(
      'arguments' => array('links' => NULL, 'results' => NULL, 'mode' => NULL, 'just_voted' => FALSE, 'content_type' => NULL, 'content_id' => NULL, 'display_options' => NULL),
      'template' => 'slider',
      'path' => drupal_get_path('module', 'rate_slider') . '/templates/slider',
    ),
  );
}

/**
 * Preprocess function for the slider template.
 */
function rate_slider_preprocess_rate_template_slider(&$variables) {
  extract($variables);

  drupal_add_library('system', 'ui.slider');

  // Calculate start value for slider.
  if ($variables['results']['count'] == 0) {
    $variables['value'] = 50;
  }
  else {
    $variables['value'] = (int) $variables['results']['rating'];
  }

  $buttons = array();
  foreach ($links as $link) {
    $button = theme('rate_button', array('text' => $link['text'], 'href' => $link['href'], 'class' => ''));
    $buttons[] = $button;
  }
  $variables['buttons'] = $buttons;

  $info = array();
  if ($mode == RATE_CLOSED) {
    $info[] = t('Voting is closed.');
  }

  if ($mode != RATE_COMPACT && $mode != RATE_COMPACT_DISABLED) {
    if (isset($results['user_vote'])) {
      $vote = $results['user_vote'];
      $info[] = t('You voted !vote.', array('!vote' => number_format($vote / 10, 2)));
    }
    $info[] = t('Total votes: !count', array('!count' => $results['count']));
  }
  $variables['info'] = implode(' ', $info);
}