answers_theme.module in Answers 7.4

The Answers_Theme module.

File

answers_theme/answers_theme.module

<?php

/**
 * @file
 * The Answers_Theme module.
 */

/**
 * Implements hook_theme_registry_alter().
 *
 * See:
 * http://www.metachunk.com/blog/adding-module-path-drupal-7-theme-registry.
 */
function answers_theme_theme_registry_alter(&$theme_registry) {
  $mod_path = drupal_get_path('module', 'answers_theme');

  // Munge on a copy.
  $theme_registry_copy = $theme_registry;
  _theme_process_registry($theme_registry_copy, 'phptemplate', 'theme_engine', 'pow', $mod_path);
  $theme_registry += array_diff_key($theme_registry_copy, $theme_registry);
  $hooks = array(
    'node',
  );
  foreach ($hooks as $h) {
    _answers_insert_after_first_element($theme_registry[$h]['theme paths'], $mod_path);

    // Add in new function for textareas.
    $theme_registry['form_element_label']['function'] = 'answers_theme_theme_form_element_label';
  }
}

/**
 * Implements custom form_element_label.
 */
function answers_theme_theme_form_element_label($variables) {
  $element = $variables['element'];

  // Modifications for answers_theme.
  $filter_help_button = '';
  if (isset($element['#bundle'])) {

    // Add a 'filter-help-button'. This uses jquery to toggle the display of
    // the filter help area.
    if (in_array($element['#bundle'], array(
      'comment_node_answers_answer',
      'comment_node_answers_question',
      'answers_answer',
    ))) {
      $filter_help_button = '<span class="answers-form-filter-help"><a>Help</a></span>';
    }

    // Change the title of the answers form body.
    if ($element['#bundle'] == 'answers_answer') {
      $element['#title'] = t('Enter a new answer');
    }
  }

  // This is also used in the installer, pre-database setup.
  $t = get_t();

  // If title and required marker are both empty, output no label.
  if ((!isset($element['#title']) || $element['#title'] === '') && empty($element['#required'])) {
    return '';
  }

  // If the element is required, a required marker is appended to the label.
  $required = !empty($element['#required']) ? theme('form_required_marker', array(
    'element' => $element,
  )) : '';
  $title = filter_xss_admin($element['#title']);
  $attributes = array();

  // Style the label as class option to display inline with the element.
  if ($element['#title_display'] == 'after') {
    $attributes['class'] = 'option';
  }
  elseif ($element['#title_display'] == 'invisible') {
    $attributes['class'] = 'element-invisible';
  }
  if (!empty($element['#id'])) {
    $attributes['for'] = $element['#id'];
  }
  $args = array(
    '!title' => $title,
    '!required' => $required,
    '!filter_help_button' => $filter_help_button,
  );

  // The leading whitespace helps visually separate fields from inline labels.
  return ' <label' . drupal_attributes($attributes) . '>' . $t('!title !required !filter_help_button', $args) . "</label>\n";
}

/**
 * Implements hook_preprocess_node().
 */
function answers_theme_preprocess_node(&$vars) {
  $type = $vars['node']->type;
  if ($type == 'answers_question') {
    $vars['theme_hook_suggestions'][] = 'node__answers_question';
  }
  elseif ($type == 'answers_answer') {
    $vars['theme_hook_suggestions'][] = 'node__answers_answer';
  }
}

/**
 * Implements hook_preprocess_comment().
 */
function answers_theme_preprocess_comment(&$vars) {
  $bundle = isset($vars['elements']['#bundle']) && $vars['elements']['#bundle'];
  if ($bundle == 'comment_node_answers_answer' || $bundle == 'comment_node_answers_question') {
    $vars['theme_hook_suggestions'][] = 'comment__node_answers_theme';
  }
}

Functions

Name	Description
answers_theme_preprocess_comment	Implements hook_preprocess_comment().
answers_theme_preprocess_node	Implements hook_preprocess_node().
answers_theme_theme_form_element_label	Implements custom form_element_label.
answers_theme_theme_registry_alter	Implements hook_theme_registry_alter().