Club Drupal

<?php

/**

 * @file

 * Themeable function callbacks for diff.module.

 */

/**

 * Theme function to display the revisions formular.

 */

function theme_diff_node_revisions($vars) {

  $form = $vars['form'];

  $output = '';

  // Overview table:

  $header = array(

    t('Revision'),

    array('data' => drupal_render($form['submit']), 'colspan' => 2),

    array('data' => t('Operations'), 'colspan' => 2),

  );

  if (isset($form['info']) && is_array($form['info'])) {

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

      $row = array();

      if (isset($form['operations'][$key][0])) {

        // Note: even if the commands for revert and delete are not permitted,

        // the array is not empty since we set a dummy in this case.

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

        $row[] = drupal_render($form['diff']['old'][$key]);

        $row[] = drupal_render($form['diff']['new'][$key]);

        $row[] = drupal_render($form['operations'][$key][0]);

        $row[] = drupal_render($form['operations'][$key][1]);

        $rows[] = array(

          'data' => $row,

          'class' => array('diff-revision'),

        );

      }

      else {

        // The current revision (no commands to revert or delete).

        $row[] = array(

          'data' => drupal_render($form['info'][$key]),

          'class' => array('revision-current'),

        );

        $row[] = array(

          'data' => drupal_render($form['diff']['old'][$key]),

          'class' => array('revision-current'),

        );

        $row[] = array(

          'data' => drupal_render($form['diff']['new'][$key]),

          'class' => array('revision-current'),

        );

        $row[] = array(

          'data' => t('current revision'),

          'class' => array('revision-current'),

          'colspan' => '2',

        );

        $rows[] = array(

          'data' => $row,

          'class' => array('error diff-revision'),

        );

      }

    }

  }

  $output .= theme('table__diff__revisions', array(

    'header' => $header,

    'rows' => $rows,

    'sticky' => FALSE,

    'attributes' => array('class' => 'diff-revisions'),

  ));

  $output .= drupal_render_children($form);

  return $output;

}

/**

 * Theme functions

 */

/**

 * Theme function for a header line in the diff.

 */

function theme_diff_header_line($vars) {

  return '<strong>' . t('Line @lineno', array('@lineno' => $vars['lineno'])) . '</strong>';

}

/**

 * Theme function for a content line in the diff.

 */

function theme_diff_content_line($vars) {

  return '<div>' . $vars['line'] . '</div>';

}

/**

 * Theme function for an empty line in the diff.

 */

function theme_diff_empty_line($vars) {

  return $vars['line'];

}

/**

 * Theme function for inline diff form.

 */

function theme_diff_inline_form($vars) {

  if ($theme = variable_get('diff_theme', 'default')) {

    drupal_add_css(drupal_get_path('module', 'diff') . "/css/diff.{$theme}.css");

  }

  return drupal_render_children($vars['form']);

}

/**

 * Display inline diff metadata.

 */

function theme_diff_inline_metadata($vars) {

  if ($theme = variable_get('diff_theme', 'default')) {

    drupal_add_css(drupal_get_path('module', 'diff') . "/css/diff.{$theme}.css");

  }

  $node = $vars['node'];

  $output = "<div class='diff-inline-metadata clear-block'>";

  $output .= "<div class='diff-inline-byline'>";

  $output .= t('Updated by !name on @date', array(

    '!name' => theme('username', array('account' => user_load($node->revision_uid))),

    '@date' => format_date($node->revision_timestamp, 'small'),

  ));

  $output .= "</div>";

  $output .= "<div class='diff-inline-legend clear-block'>";

  $output .= "<label>" . t('Legend') . "</label>";

  $output .= theme('diff_inline_chunk', array('text' => t('Added'), 'type' => 'add'));

  $output .= theme('diff_inline_chunk', array('text' => t('Changed'), 'type' => 'change'));

  $output .= theme('diff_inline_chunk', array('text' => t('Deleted'), 'type' => 'delete'));

  $output .= "</div>";

  $output .= "</div>";

  return $output;

}

/**

 * Theme a span of changed text in an inline diff display.

 */

function theme_diff_inline_chunk($vars) {

  switch ($vars['type']) {

    case 'add':

      return "<span class='diff-added'>{$vars['text']}</span>";

    case 'change':

      return "<span class='diff-changed'>{$vars['text']}</span>";

    case 'delete':

      return "<span class='diff-deleted'>{$vars['text']}</span>";

    default:

      return $vars['text'];

  }

}