template.php

<?php
// vim: set ts=2 sw=2 sts=2 et:

/**
 * @file
 * Theme functions.
 */

require 'preprocess.inc';

/**
 * Implementats hook_theme().
 * This function provides a one-stop reference for all overriden and custom theme functions.
 *
 * @param array &$existing
 *   An array of existing implementations that may be used for override purposes.
 * @param string $type
 *   What 'type' is being processed: module, base_theme_engine, theme_engine, base_theme, theme.
 * @param string $theme
 *   The actual name of theme that is being being checked (mostly only useful for theme engine).
 * @param string $path
 *   The directory path of the theme or module, so that it doesn't need to be looked up.
 *
 * @hook   theme
 * @return array
 */
function lc3_clean_theme(array &$existing, $type, $theme, $path) {
  return array(
    // theme wrapper for the main menu
    'menu_tree__main_menu' => array(
      'file' => 'templates/theme.inc',
      'render element' => 'tree',
    ),
    // custom theme function for breadcrumbs
    'breadcrumb' => array(
      'file' => 'templates/theme.inc',
    ),
    // taxonomy tags
    'field__taxonomy_term_reference' => array(
      'file' => 'templates/theme.inc',
    ),
    // popup boxes
    'popup_box' => array(
      'file' => 'templates/theme.inc',
      'render element' => 'popup',
    ),
    // buttons
    'button' => array(
      'file' => 'templates/theme.inc',
      'render element' => 'element',
    ),
    // input with type=password
    'password' => array(
      'file' => 'templates/theme.inc',
      'render element' => 'element',
    ),
    // Drupal pagers
    'pager' => array(
      'file' => 'templates/theme.inc',
    ),
    // popup status messages
    'status_messages' => array(
      'file' => 'templates/theme.inc',
    ),
    // sort indicator for tables
    'tablesort_indicator' => array(
      'file' => 'templates/theme.inc',
    ),
  );
}

/**
 * Adds account links to a page.
 *
 * @param array &$page
 *   Structured array defining the page.
 */
function lc3_clean_page_alter(array &$page) {
  global $user;

  // Remove left sidebar
  if ('store' === arg(0) && isset($page['sidebar_first']) && in_array(arg(1), array('cart', 'checkout', 'product', 'checkoutPayment'))) {
    unset($page['sidebar_first']);
  }

  // Render the account links
  $disabled_popup = 'user' === arg(0) || !empty($user->uid);

  if (!empty($user->uid)) {
    $page['account_links'] = array(
      'greeting-message' => array(
        '#markup' => '<span class="greeting-message"><span>' . t('Hello') . ',</span> ' . check_plain($user->name) . '</span>',
      ),
      'account-links' => array(
        '#theme'      => 'links__account_links',
        '#attributes' => array(
          'class' => array('account-links'),
        ),
        '#links' => array(
          'account-link-1' => array(
            'href'       => 'user',
            'title'      => t('My account'),
            'attributes' => array('class' => array('account')),
          ),
          'account-link-2' => array(
            'href'       => 'user/logout',
            'title'      => t('Log out'),
            'attributes' => array('class' => array('log-in')),
          ),
        ),
      ),
    );
  }
  else {
    $attributes = $disabled_popup ? array() : array('onclick' => 'javascript: lc3_clean_popup_div("login-popup-box", true); return false;');

    $page['account_links'] = array(
      'account-links' => array(
        '#theme' => 'links__account_links',
        '#attributes' => array(
          'class' => array('account-links'),
        ),
        '#links' => array(
          'account-link-1' => array(
            'href'       => 'user',
            'title'      => t('Log in'),
            'attributes' => $attributes + array('class' => array('log-in')),
          ),
          'account-link-2' => array(
            'href'       => 'user/register',
            'title'      => t('Register'),
            'attributes' => array('class' => array('register')),
          ),
        ),
      ),
    );
  }

  // Render popup forms
  if (!$disabled_popup) {
    module_load_include('inc', 'user', 'user.pages');

    $page['page_bottom']['blockui-popups'] = array(
      'login-popup' => array(
        '#theme_wrappers' => array('popup_box'),
        '#id'             => 'login-popup-box',
        '#subject'        => t('User login'),
        'form'            => drupal_get_form('user_login', TRUE),
      ),
      'recovery-password-popup' => array(
        '#theme_wrappers' => array('popup_box'),
        '#id'             => 'password-popup-box',
        '#subject'        => t('Request new password'),
        'form'            => drupal_get_form('user_pass'),
      ),
    );

    $page['page_bottom']['blockui-popups']['login-popup']['form']['#action'] = url(
      'user',
      array('query' => drupal_get_destination())
    );
    $page['page_bottom']['blockui-popups']['recovery-password-popup']['form']['#action'] = url(
      'user/password',
      array('query' => drupal_get_destination())
    );
  }

  // IE8 compatibility mode
  header('X-UA-Compatible: IE=8');
}

/**
 * Alter the 'user-login' form.
 *
 * @param array &$form
 *   Nested array of form elements that comprise the form.
 * @param array &$form_state
 *    A keyed array containing the current state of the form.
 * @param string $form_id
 *   String representing the name of the form itself.
 *
 * @hook   form_FORM_ID_alter
 *
 * @see hook_form_alter()
 * @see drupal_prepare_form()
 */
function lc3_clean_form_user_login_alter(array &$form, array &$form_state, $form_id) {

  // Check whether the form is to be displayed in a popup layer
  if ('user' !== arg(0)) {

    // Make the login button larger
    $form['actions']['submit']['#attributes']['class'][] = 'action';

    //Display the button right below the form fields
    $form['actions']['#weight'] = 0.5;

    // Shorten the OpenID field title
    if (isset($form['openid_identifier']['#title'])) {
      $form['openid_identifier']['#title'] = t('OpenID');
    }

    // Add the "recover password" link
    $attributes = array(
      'title'   => t('Request new password via e-mail.'),
      'onclick' => "javascript: lc3_clean_popup_div('password-popup-box'); return false;",
    );

    $form['account-links'] = array(
      '#weight' => 2,
      '#theme'  => 'item_list',
      '#items'  => array(
        array(
          'data'  => l(t('Forgot password?'), 'user/password', array('attributes' => $attributes)),
          'class' => array('restore-password'),
        ),
      ),
      '#attributes' => array(
        'class' => array('user-account'),
      ),
    );
  }
}

/**
 * Alter the 'user-pass' form.
 *
 * @param array &$form
 *   Nested array of form elements that comprise the form.
 * @param array &$form_state
 *   A keyed array containing the current state of the form.
 * @param string $form_id
 *   String representing the name of the form itself.
 *
 * @hook   form_FORM_ID_alter
 *
 * @see hook_form_alter()
 * @see drupal_prepare_form()
 */
function lc3_clean_form_user_pass_alter(array &$form, array &$form_state, $form_id) {

  // Make the login button larger
  $form['actions']['submit']['#attributes']['class'][] = 'action';

  // Shorten the label
  $form['name']['#title'] = t('Username or e-mail');
}

/**
 * Alter the 'user-profile' form.
 *
 * @param array &$form
 *   Nested array of form elements that comprise the form.
 * @param array &$form_state
 *   A keyed array containing the current state of the form.
 * @param string $form_id
 *   String representing the name of the form itself.
 *
 * @hook   form_FORM_ID_alter
 *
 * @see hook_form_alter()
 * @see drupal_prepare_form()
 */
function lc3_clean_form_user_profile_form_alter(array &$form, array &$form_state, $form_id) {

  if (isset($form['picture'])) {
    if (!isset($form['picture']['#attributes'])) {
      $form['picture']['#attributes'] = array();
    }

    if (!isset($form['picture']['#attributes']['class'])) {
      $form['picture']['#attributes']['class'] = array('picture-block');
    }
    else {
      $form['picture']['#attributes']['class'][] = ' picture-block';
    }
  }

  if (!isset($form['actions']['#attributes'])) {
    $form['actions']['#attributes'] = array();
  }

  if (!isset($form['actions']['#attributes']['class'])) {
    $form['actions']['#attributes']['class'] = array();
  }

  $form['actions']['#attributes']['class'][] = 'buttons-box';
  $form['actions']['#attributes']['class'][] = 'floatable-box';

  if (!isset($form['actions']['submit']['#attributes'])) {
    $form['actions']['submit']['#attributes'] = array();
  }

  if (!isset($form['actions']['submit']['#attributes']['class'])) {
    $form['actions']['submit']['#attributes']['class'] = array();
  }

  $form['actions']['submit']['#attributes']['class'][] = 'action';
}

/**
 * Hook for altering any form.
 *
 * @param array &$form
 *   Nested array of form elements that comprise the form.
 * @param array &$form_state
 *   A keyed array containing the current state of the form.
 * @param string $form_id
 *   String representing the name of the form itself.
 *
 * @hook   form_alter
 *
 * @see hook_form_alter()
 * @see drupal_prepare_form()
 */
function lc3_clean_form_alter(array &$form, array &$form_state, $form_id) {
  global $user;

  // Alter comment forms when the user is logged in
  if (preg_match('/^comment_node_([\w\d_]+)_form$/', $form_id, $matches) && $user->uid) {

    // Add an extra class to comment forms
    $form['#attributes']['class'][] = 'comment-form-is-logged';

    // Add ":" to the name label
    $form['author']['_author']['#title'] .= ': ';
  }
}

/**
 * Preprocess block.
 *
 * @param array &$vars
 *   Array of variables.
 *
 * @hook   preprocess_block
 */
function lc3_clean_preprocess_block(array &$vars) {
  if (!$vars['block']->title) {
    $vars['classes_array'][] = 'block-without-title';
  }
}

/**
 * Alter HTML head.
 *
 * @param array &$head_elements
 *   Head elements.
 *
 * @hook   html_head_alter
 */
function lc3_clean_html_head_alter(array &$head_elements) {
  $head_elements['lc3_clean_content_script_type'] = array(
    '#type' => 'html_tag',
    '#tag'  => 'meta',
    '#attributes' => array(
      'http-equiv' => 'Content-Script-Type',
      'content'    => 'text/javascript',
    ),
    '#weight' => -1000,
  );

  $head_elements['lc3_clean_content_style_type'] = array(
    '#type' => 'html_tag',
    '#tag'  => 'meta',
    '#attributes' => array(
      'http-equiv' => 'Content-Style-Type',
      'content'    => 'text/css',
    ),
    '#weight' => -1000,
  );

  $head_elements['lc3_clean_content_ie_compatibility9'] = array(
    '#type' => 'html_tag',
    '#tag'  => 'meta',
    '#attributes' => array(
      'http-equiv' => 'X-UA-Compatible',
      'content'    => 'IE=9',
    ),
    '#weight' => -1000,
  );

  $head_elements['lc3_clean_content_ie_compatibility8'] = array(
    '#type' => 'html_tag',
    '#tag'  => 'meta',
    '#attributes' => array(
      'http-equiv' => 'X-UA-Compatible',
      'content'    => 'IE=8',
    ),
    '#weight' => -900,
  );
}