template.php

<?php
/**
 * @file
 * Contains the theme's functions to manipulate Drupal's default markup.
 *
 * Complete documentation for this file is available online.
 * @see https://drupal.org/node/1728096
 */

/**
 * Override or insert variables into the maintenance page template.
 *
 * @param array $variables
 *   Variables to pass to the theme template.
 * @param string $hook
 *   The name of the template being rendered ("maintenance_page" in this case.)
 */
/* -- Delete this line if you want to use this function
function mirage_preprocess_maintenance_page(&$variables, $hook) {
// When a variable is manipulated or added in preprocess_html or
// preprocess_page, that same work is probably needed for the maintenance page
// as well, so we can just re-use those functions to do that work here.
mirage_preprocess_html($variables, $hook);
mirage_preprocess_page($variables, $hook);
}
// */

/**
 * Override or insert variables into the html templates.
 *
 * @param array $variables
 *   Variables to pass to the theme template.
 * @param string $hook
 *   The name of the template being rendered ("html" in this case.)
 */
/* -- Delete this line if you want to use this function
function mirage_preprocess_html(&$variables, $hook) {
$variables['sample_variable'] = t('Lorem ipsum.');

// The body tag's classes are controlled by the $classes_array variable. To
// remove a class from $classes_array, use array_diff().
$variables['classes_array'] = array_diff($variables['classes_array'],
array('class-to-remove')
);
}
// */

/**
 * Override or insert variables into the page templates.
 *
 * @param array $variables
 *   Variables to pass to the theme template.
 * @param string $hook
 *   The name of the template being rendered ("page" in this case.)
 */
/* -- Delete this line if you want to use this function
function mirage_preprocess_page(&$variables, $hook) {
$variables['sample_variable'] = t('Lorem ipsum.');
}
// */

/**
 * Override or insert variables into the region templates.
 *
 * @param array $variables
 *   Variables to pass to the theme template.
 * @param string $hook
 *   The name of the template being rendered ("region" in this case.)
 */
/* -- Delete this line if you want to use this function
function mirage_preprocess_region(&$variables, $hook) {
// Don't use Zen's region--no-wrapper.tpl.php template for sidebars.
if (strpos($variables['region'], 'sidebar_') === 0) {
$variables['theme_hook_suggestions'] = array_diff(
$variables['theme_hook_suggestions'], array('region__no_wrapper')
);
}
}
// */

/**
 * Override or insert variables into the block templates.
 *
 * @param array $variables
 *   Variables to pass to the theme template.
 * @param string $hook
 *   The name of the template being rendered ("block" in this case.)
 */
/* -- Delete this line if you want to use this function
function mirage_preprocess_block(&$variables, $hook) {
// Add a count to all the blocks in the region.
// $variables['classes_array'][] = 'count-' . $variables['block_id'];

// By default, Zen will use the block--no-wrapper.tpl.php for the main
// content. This optional bit of code undoes that:
if ($variables['block_html_id'] == 'block-system-main') {
$variables['theme_hook_suggestions'] = array_diff(
$variables['theme_hook_suggestions'], array('block__no_wrapper')
);
}
}
// */

/**
 * Override or insert variables into the node templates.
 *
 * @param array $variables
 *   Variables to pass to the theme template.
 * @param string $hook
 *   The name of the template being rendered ("node" in this case.)
 */
// /* -- Delete this line if you want to use this function
function mirage_preprocess_node(&$variables, $hook)
{
    // $variables['sample_variable'] = t('Lorem ipsum.');

    // Optionally, run node-type-specific preprocess functions, like
    // mirage_preprocess_node_page() or mirage_preprocess_node_story().
    $function = __FUNCTION__ . '_' . $variables['node']->type;
    if (function_exists($function)) {
        $function($variables, $hook);
    }
}

function mirage_preprocess_node_article(&$vars, $hook)
{
    // Set article url to custom url
    if (!empty($vars['field_custom_url'])) {
        $vars['node_url'] = $vars['field_custom_url'][0]['safe_value'];
    }

    // Add Pym script
    drupal_add_js('https://pym.nprapps.org/npr-pym-loader.v2.min.js');
}
// */

/**
 * Override or insert variables into the comment templates.
 *
 * @param array $variables
 *   Variables to pass to the theme template.
 * @param string $hook
 *   The name of the template being rendered ("comment" in this case.)
 */
/* -- Delete this line if you want to use this function
function mirage_preprocess_comment(&$variables, $hook) {
$variables['sample_variable'] = t('Lorem ipsum.');
}
// */

/**
 * Implements template_preprocess_field.
 *
 * @param array $vars
 *   Variables to pass to the theme template.
 * @param string $hook
 *   The name of the template being rendered ("comment" in this case.)
 */
function mirage_preprocess_field(&$vars, $hook)
{
    $element = $vars['element'];

    switch ($element['#field_name']) {
        case 'body':
            $vars['classes_array'][] = 'prose';
            break;
        case 'field_article_image':
            $element['#view_mode'] == 'full' && $vars['classes_array'][] = 'fit-outer--mobile';
            break;
        case 'field_published_date':
            // TODO Way to use user-defined format setting?
            $value = $element['#items'][0]['value'];
            $datetime = new DateTime($value);
            $classes = implode(' ', $vars['classes_array']);
            $iso = $datetime->format(DateTime::ATOM);
            $formatted = format_date($datetime->getTimestamp(), 'date_no_day');
            $markup = sprintf(
                '<time class="%s" datetime="%s" pubdate>%s</time>',
                $classes,
                $iso,
                $formatted);
            $vars['items'][0]['#markup'] = $markup;
            break;
    }

}