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Drupal example source code file (template.php)

This example Drupal source code file (template.php) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

PHP - Drupal tags/keywords

array, breadcrumb, class, empty, false, function, h2, if, implode, menu, php, secondary, site_fields, vars

The template.php Drupal example source code

<?php
// $Id: template.php,v 1.45 2010/12/01 00:18:15 webchick Exp $

/**
 * Return a themed breadcrumb trail.
 *
 * @param $breadcrumb
 *   An array containing the breadcrumb links.
 * @return a string containing the breadcrumb output.
 */
function garland_breadcrumb($variables) {
  $breadcrumb = $variables['breadcrumb'];

  if (!empty($breadcrumb)) {
    // Provide a navigational heading to give context for breadcrumb links to
    // screen-reader users. Make the heading invisible with .element-invisible.
    $output = '<h2 class="element-invisible">' . t('You are here') . '</h2>';

    $output .= '<div class="breadcrumb">' . implode(' › ', $breadcrumb) . '</div>';
    return $output;
  }
}

/**
 * Override or insert variables into the maintenance page template.
 */
function garland_preprocess_maintenance_page(&$vars) {
  // While markup for normal pages is split into page.tpl.php and html.tpl.php,
  // the markup for the maintenance page is all in the single
  // maintenance-page.tpl.php template. So, to have what's done in
  // garland_preprocess_html() also happen on the maintenance page, it has to be
  // called here.
  garland_preprocess_html($vars);
}

/**
 * Override or insert variables into the html template.
 */
function garland_preprocess_html(&$vars) {
  // Toggle fixed or fluid width.
  if (theme_get_setting('garland_width') == 'fluid') {
    $vars['classes_array'][] = 'fluid-width';
  }
  // Add conditional CSS for IE6.
  drupal_add_css(path_to_theme() . '/fix-ie.css', array('group' => CSS_THEME, 'browsers' => array('IE' => 'lt IE 7', '!IE' => FALSE), 'preprocess' => FALSE));
}

/**
 * Override or insert variables into the html template.
 */
function garland_process_html(&$vars) {
  // Hook into color.module
  if (module_exists('color')) {
    _color_html_alter($vars);
  }
}

/**
 * Override or insert variables into the page template.
 */
function garland_preprocess_page(&$vars) {
  // Move secondary tabs into a separate variable.
  $vars['tabs2'] = array(
    '#theme' => 'menu_local_tasks',
    '#secondary' => $vars['tabs']['#secondary'],
  );
  unset($vars['tabs']['#secondary']);

  if (isset($vars['main_menu'])) {
    $vars['primary_nav'] = theme('links__system_main_menu', array(
      'links' => $vars['main_menu'],
      'attributes' => array(
        'class' => array('links', 'inline', 'main-menu'),
      ),
      'heading' => array(
        'text' => t('Main menu'),
        'level' => 'h2',
        'class' => array('element-invisible'),
      )
    ));
  }
  else {
    $vars['primary_nav'] = FALSE;
  }
  if (isset($vars['secondary_menu'])) {
    $vars['secondary_nav'] = theme('links__system_secondary_menu', array(
      'links' => $vars['secondary_menu'],
      'attributes' => array(
        'class' => array('links', 'inline', 'secondary-menu'),
      ),
      'heading' => array(
        'text' => t('Secondary menu'),
        'level' => 'h2',
        'class' => array('element-invisible'),
      )
    ));
  }
  else {
    $vars['secondary_nav'] = FALSE;
  }

  // Prepare header.
  $site_fields = array();
  if (!empty($vars['site_name'])) {
    $site_fields[] = $vars['site_name'];
  }
  if (!empty($vars['site_slogan'])) {
    $site_fields[] = $vars['site_slogan'];
  }
  $vars['site_title'] = implode(' ', $site_fields);
  if (!empty($site_fields)) {
    $site_fields[0] = '<span>' . $site_fields[0] . '</span>';
  }
  $vars['site_html'] = implode(' ', $site_fields);

  // Set a variable for the site name title and logo alt attributes text.
  $slogan_text = $vars['site_slogan'];
  $site_name_text = $vars['site_name'];
  $vars['site_name_and_slogan'] = $site_name_text . ' ' . $slogan_text;
}

/**
 * Override or insert variables into the node template.
 */
function garland_preprocess_node(&$vars) {
  $vars['submitted'] = $vars['date'] . ' — ' . $vars['name'];
}

/**
 * Override or insert variables into the comment template.
 */
function garland_preprocess_comment(&$vars) {
  $vars['submitted'] = $vars['created'] . ' — ' . $vars['author'];
}

/**
 * Override or insert variables into the block template.
 */
function garland_preprocess_block(&$vars) {
  $vars['title_attributes_array']['class'][] = 'title';
  $vars['classes_array'][] = 'clearfix';
}

/**
 * Override or insert variables into the page template.
 */
function garland_process_page(&$vars) {
  // Hook into color.module
  if (module_exists('color')) {
    _color_page_alter($vars);
  }
}

/**
 * Override or insert variables into the region template.
 */
function garland_preprocess_region(&$vars) {
  if ($vars['region'] == 'header') {
    $vars['classes_array'][] = 'clearfix';
  }
}

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