Club Drupal

<?php

/**

 * Returns HTML for an admin poll form for choices.

 */

function theme_makemeeting_choices($variables) {

  $form = $variables['form'];

  // Add appropriate CSS.

  drupal_add_css(drupal_get_path('module', 'makemeeting') . '/makemeeting.css');

  $rows = array();

  $headers = array(t('Date'));

  $headers_added = FALSE;

  foreach (element_children($form) as $key) {

    // Build the table rows.

    $row = array();

    $row[] = array(

      'data'  => drupal_render($form[$key]['chdate']) . drupal_render($form[$key]['chremove']),

      'class' => 'makemeeting-choice-date',

    );

    $delta = 0;

    foreach (element_children($form[$key]['chsuggestions']) as $key2) {

      $delta++;

      // Add sugesstion headers for the first line

      if (!$headers_added) {

        $headers[] = t('Suggestion %num', array('%num' => $delta));

      }

      $row[] = drupal_render($form[$key]['chsuggestions'][$key2]);

    }

    $headers_added = TRUE;

    $rows[] = $row;

  }

  $output = theme('table', array(

    'header'     => $headers,

    'rows'       => $rows,

    'attributes' => array('id' => 'poll-choice-table')

  ));

  $output .= drupal_render_children($form);

  return $output;

}

/**

 * Function used to render a single answer row as a form

 */

function theme_makemeeting_answer_row($vars) {

  $form = $vars['form'];

  $element = array(

    '#prefix'     => '<table><tr>',

    'first_cell'  => array(),

    'other_cells' => array('#markup' => ''),

    '#suffix'     => '</tr></table>',

  );

  // Render suggestions

  foreach (element_children($form['answers']) as $answer_key) {

    $element['other_cells']['#markup'] .= _theme_table_cell(array(

      'data'  => drupal_render($form['answers'][$answer_key]),

      'class' => $form['answers'][$answer_key]['#type'],

    ));

  }

  // Render name, submit and the rest of hidden children

  $first_cell = drupal_render($form['name']) . drupal_render($form['submit']);

  $first_cell .= drupal_render_children($form);

  $element['first_cell']['#markup'] = _theme_table_cell($first_cell);

  return drupal_render($element);

}

/**

 * Function used to render answers' table

 */

function theme_makemeeting_answers($vars) {

  global $user;

  $form = $vars['form'];

  $item = $form['#item'];

  // Add appropriate CSS.

  drupal_add_css(drupal_get_path('module', 'makemeeting') . '/makemeeting.css');

  // Initialize variables

  $header = $day_cell = $row_form = $tree = $rows = array();

  // First construct tree of suggestions for headers

  foreach ($item['choices'] as $choice) {

    $chdate = _makemeeting_date_timestamp($choice['chdate']);

    $month = format_date($chdate, 'custom', 'F Y');

    $day = format_date($chdate, 'custom', 'D. j');

    $count = 0;

    foreach ($choice['chsuggestions'] as $text) {

      if (!$text && isset($tree[$month][$day]) && $count) {

        continue;

      }

      elseif (!$text) {

        $text = "-";

      }

      $tree[$month][$day][] = $text;

      $count++;

    }

  }

  // Now construct headers based on tree

  $headers = $row_days = $row_suggestions = array('');

  // Add month-related classes

  $months_total = count($tree);

  $months_count = 0;

  foreach ($tree as $month => $days) {

    $header['colspan'] = 0;

    $header['data'] = $month;

    $header['class'] = array('date-month');

    _makemeeting_define_class_suffix($header, $months_count, $months_total, 'date-month');

    $months_count++;

    // Add day-related classes

    $days_total = count($days);

    $days_count = 0;

    foreach ($days as $day => $suggestions) {

      $day_cell['colspan'] = 0;

      $day_cell['data'] = $day;

      $day_cell['class'] = array('date');

      _makemeeting_define_class_suffix($day_cell, $days_count, $days_total, 'date');

      $days_count++;

      // Add suggestion-related classes

      $suggestions_total = count($suggestions);

      $suggestion_count = 0;

      foreach ($suggestions as $text) {

        $suggestion = array('data' => $text, 'class' => array('suggestion'));

        _makemeeting_define_class_suffix($suggestion, $suggestion_count, $suggestions_total, 'suggestion');

        $suggestion_count++;

        $row_suggestions[] = $suggestion;

        // Set colspan

        $header['colspan']++;

        $day_cell['colspan']++;

      }

      $row_days[] = $day_cell;

    }

    $headers[] = $header;

  }

  array_push($rows, $row_days, $row_suggestions);

  // Initialize totals labels

  $totals = array();

  $options = _makemeeting_options($item['yesnomaybe']);

  foreach ($options as $key => $label) {

    $totals[$key]['table'] = array(

      array(

        'data'  => t('Totals ' . $label),

        'class' => 'total-title'

      )

    );

    foreach ($item['choices'] as $choice) {

      $count = 0;

      foreach ($choice['chsuggestions'] as $text) {

        if ($text || (!$text && !$count)) {

          // Initialize totals count

          $totals[$key]['count'][] = 0;

        }

        $count++;

      }

    }

  }

  // Display already submitted answers

  $select = db_select('makemeeting_answers', 'ma')

    ->fields('ma');

  foreach (array(

             'field_name',

             'entity_type',

             'deleted',

             'entity_id',

             'language',

             'delta'

           ) as $info) {

    $select->condition($info, $form[$info]['#value']);

  }

  // Filter out answer being edited

  if (!empty($form['answer_edited'])) {

    $select->condition('answer_id', $form['answer_edited']['#value']->answer_id, '!=');

  }

  $results = $select->execute()

                    ->fetchAllAssoc('answer_id');

  $uids = array();

  foreach ($results as $result) {

    $uids[] = $result->uid;

    if (!$item['is_hidden']) {

      $row = array();

      // Display name of the person that has answered

      $cell = _makemeeting_render_cell_name($result->uid, $result->name, $result->answer_id);

      $row[] = drupal_render($cell);

      // Display his/her answers

      $answers = unserialize($result->value);

      foreach (element_children($form['answers']) as $answer_key) {

        $row_count = count($row);

        // Determine choice based on choice type

        if ($item['one_option']) {

          $key = $answers == $answer_key ? MAKEMEETING_YES : MAKEMEETING_NO;

        }

        else {

          $key = isset($answers[$answer_key]) ? intval($answers[$answer_key]) : FALSE;

        }

        $label = isset($options[$key]) ? $options[$key] : FALSE;

        if ($key !== FALSE && $label !== FALSE) {

          // Add corresponding classes for the answer

          $classes = array('answer', 'answer-' . $key);

          foreach (array(

                     'suggestion-first',

                     'suggestion-medium',

                     'suggestion-last'

                   ) as $class) {

            if (in_array($class, $row_suggestions[$row_count]['class'])) {

              $classes[] = str_replace('suggestion', 'answer', $class);

            }

          }

          // Store answer (will an background image according to class)

          $row[] = array(

            'data'  => '<span>' . $label . '</span>',

            'class' => $classes,

          );

          // Increment key answer counter

          $totals[$key]['count'][$row_count - 1]++;

        }

        else {

          $row[] = t('No answer');

        }

      }

      $rows[] = array(

        'data'  => $row,

        'id'    => 'answer-' . $result->answer_id,

        'class' => array('in' . (empty($cell['#editable']) ? '' : ' editable')),

      );

    }

  }

  if (!$item['is_hidden']) {

    // Add participant count

    $rows[1][0] = format_plural(count($results), '@count participant', '@count participants');

  }

  // Display answer form if ... not limited,

  $limited = $item['limit'] > 0 && $item['limit'] * count($row_suggestions) - 1 <= count($results);

  // ... not closed,

  $closed = $item['closed'] || $limited;

  $submitted = user_is_logged_in() && in_array($user->uid, array_values($uids));

  // ... user has access and has not already submitted

  $show_form = user_access(MAKEMEETING_ANSWER_PERM) && !$closed && !$submitted;

  if ($show_form) {

    $row_form[] = drupal_render($form['name']);

    foreach (element_children($form['answers']) as $answer_key) {

      $row_form[] = array(

        'data'  => drupal_render($form['answers'][$answer_key]),

        'class' => $form['answers'][$answer_key]['#type'],

      );

    }

    $rows[] = array(

      'data'  => $row_form,

      'class' => array('answer-form-row'),

    );

  }

  // Get total maxima

  $totals_max = array();

  foreach ($totals as $key => &$table) {

    if (empty($table['count'])) {

      $table['count'][] = 0;

    }

    $totals_max[$key] = max($table['count']);

  }

  // Display totals

  foreach ($options as $key => $label) {

    foreach ($totals[$key]['count'] as $choice => $count) {

      $classes = array('total-count', 'total-' . $key);

      if ($count) {

        // Indicate first / last suggestion item

        foreach (array(

                   'suggestion-first',

                   'suggestion-medium',

                   'suggestion-last'

                 ) as $class) {

          if (in_array($class, $row_suggestions[$choice + 1]['class'])) {

            $classes[] = str_replace('suggestion', 'total', $class);

          }

        }

      }

      // Indicate max count

      if (!empty($totals_max[$key]) && $count == $totals_max[$key]) {

        $classes[] = 'total-max';

      }

      $totals[$key]['table'][] = array('data' => $count, 'class' => $classes);

    }

    $classes = array('total-row');

    // Change labels for two choices

    if (!$item['yesnomaybe']) {

      $totals[$key]['table'][0]['data'] = t('Totals');

    }

    // Do not display other totals for two choices

    if ($item['yesnomaybe'] || !$item['yesnomaybe'] && $key == MAKEMEETING_YES) {

      $classes[] = 'total-row-' . ($key ? ($key == MAKEMEETING_YES ? 'last' : 'medium') : 'first');

      $rows[] = array('data' => $totals[$key]['table'], 'class' => $classes);

    }

  }

  // Apply classes to the two first rows

  $rows[0] = array('data' => $rows[0], 'class' => array('dates'));

  $rows[1] = array('data' => $rows[1], 'class' => array('suggestions'));

  $suggestion = array(

    '#theme'      => 'table',

    '#header'     => $headers,

    '#rows'       => $rows,

    '#attributes' => array('class' => array('makemeeting-table')),

  );

  if ($show_form) {

    return drupal_render($suggestion) . drupal_render_children($form);

  }

  return drupal_render($suggestion);

}

/**

 * Render the cell containing the submitter's name with

 * a possible option to delete the answer

 */

function _makemeeting_render_cell_name($uid, $name, $answer_id) {

  global $user;

  if ($uid) {

    $account = user_load($uid);

    $username = theme('username', array('account' => user_load($account->uid)));

  }

  else {

    $username = $name;

  }

  if (!user_access(MAKEMEETING_DELETE_PERM) && !user_access(MAKEMEETING_EDIT_PERM) && (user_is_anonymous() || $uid != $user->uid)) {

    return array(

      '#markup' => $username,

    );

  }

  $images_path = drupal_get_path('module', 'makemeeting') . '/images/';

  $cell[] = array(

    '#prefix'     => '<div class="answer-edit">',

    'delete-link' => array(

      '#type'    => 'link',

      '#title'   => theme_image(array(

        'path'       => $images_path . 'trash.png',

        'attributes' => array('title' => t('Delete answer'))

      )),

      '#href'    => 'makemeeting/delete-answer/' . $answer_id,

      '#options' => array(

        'query'      => drupal_get_destination(),

        'html'       => TRUE,

        'attributes' => array('rel' => 'nofollow'),

      ),

      '#access'  => user_access(MAKEMEETING_DELETE_PERM) || $uid == $user->uid,

    ),

    'edit-link'   => array(

      '#type'    => 'link',

      '#title'   => theme_image(array(

        'path'       => $images_path . 'pen.png',

        'attributes' => array('title' => t('Edit answer'))

      )),

      // Note the /nojs portion of the href - if javascript is enabled,

      // this part will be stripped from the path before it is called.

      '#href'    => 'makemeeting/edit-answer/' . $answer_id . '/nojs/',

      '#options' => array(

        'query'      => drupal_get_destination(),

        'html'       => TRUE,

        'attributes' => array('rel' => 'nofollow'),

      ),

      '#ajax'    => array(

        'wrapper' => 'answer-' . $answer_id,

        'method'  => 'html',

      ),

      '#access'  => user_access(MAKEMEETING_EDIT_PERM) || $uid == $user->uid,

    ),

    '#suffix'     => '</div>',

    '#attached'   => array(

      'js' => array(

        drupal_get_path('module', 'makemeeting') . '/makemeeting.js',

      )

    ),

  );

  $cell[] = array('#markup' => $username);

  return array(

    '#markup'   => '<div class="answer-editable">' . drupal_render($cell) . '</div>',

    '#editable' => TRUE,

  );

}

/**

 * Helper function to define classes based on a count and a total

 *

 * @param $element

 * @param $count

 * @param $total

 * @param string $prefix

 */

function _makemeeting_define_class_suffix(&$element, $count, $total, $prefix = '') {

  if ($prefix) {

    $prefix .= '-';

  }

  if ($count == 0) {

    $element['class'][] = $prefix . 'first';

  }

  elseif ($count == ($total - 1)) {

    $element['class'][] = $prefix . 'last';

  }

  else {

    $element['class'][] = $prefix . 'medium';

  }

}