PHP file_uri_scheme函数代码示例

function open_framework_form_system_theme_settings_alter(&$form, &$form_state)
{
    // Responsive Behavior
    $form['responsive_container'] = array('#type' => 'fieldset', '#title' => t('Responsive'), '#description' => t('Use these settings to adjust the responsive behavior.'), '#collapsible' => TRUE, '#collapsed' => FALSE);
    $form['responsive_container']['content_order_classes'] = array('#type' => 'radios', '#title' => t('Content order in mobile'), '#default_value' => theme_get_setting('content_order_classes'), '#options' => array('' => t('Show first sidebar content before main content - <strong><em>Default</em></strong>'), 'content-first ' => t('Show main content before sidebar content')));
    // Page Layout
    $form['layout_container'] = array('#type' => 'fieldset', '#title' => t('Layout'), '#description' => t('Use these settings to adjust the page layout.'), '#collapsible' => TRUE, '#collapsed' => FALSE);
    $form['layout_container']['front_heading_classes'] = array('#type' => 'radios', '#title' => t('Page heading'), '#default_value' => theme_get_setting('front_heading_classes'), '#options' => array('' => t('Hide heading on front page - <strong><em>Default</em></strong>'), 'show-title ' => t('Show heading on front page')));
    $form['layout_container']['breadcrumb_classes'] = array('#type' => 'radios', '#title' => t('Breadcrumbs'), '#default_value' => theme_get_setting('breadcrumb_classes'), '#options' => array('' => t('Hide breadcrumbs - <strong><em>Default</em></strong>'), 'show-breadcrumb ' => t('Show breadcrumbs')));
    // Background Section
    $form['background_container'] = array('#type' => 'fieldset', '#title' => t('Background Images'), '#description' => t('Use these settings to select different background images.'), '#collapsible' => TRUE, '#collapsed' => FALSE);
    // Body Background Image
    $form['background_container']['body_bg_type'] = array('#type' => 'radios', '#title' => t('Body background image type'), '#default_value' => theme_get_setting('body_bg_type'), '#options' => array('' => t('Wallpaper pattern - <strong><em>Default</em></strong>'), 'photobg ' => t('Photo image')));
    $form['background_container']['body_bg_classes'] = array('#type' => 'radios', '#title' => t('Body background image'), '#default_value' => theme_get_setting('body_bg_classes'), '#options' => array('' => t('None - <strong><em>Default</em></strong>'), 'bodybg ' => t('Use my image (upload below):')));
    // Default path for image
    $body_bg_path = theme_get_setting('body_bg_path');
    if (file_uri_scheme($body_bg_path) == 'public') {
        $body_bg_path = file_uri_target($body_bg_path);
    }
    // Helpful text showing the file name, disabled to avoid the user thinking it can be used for any purpose.
    $form['background_container']['body_bg_path'] = array('#type' => 'hidden', '#title' => 'Path to background image', '#default_value' => $body_bg_path);
    if (!empty($body_bg_path)) {
        $form['background_container']['body_bg_preview'] = array('#markup' => !empty($body_bg_path) ? theme('image', array('path' => theme_get_setting('body_bg_path'))) : '');
    }
    // Upload field
    $form['background_container']['body_bg_upload'] = array('#type' => 'file', '#title' => 'Upload background image', '#description' => 'You can upload the following image file types: *.jpg, *.gif, or *.png');
    // Border Style
    $form['border_container'] = array('#type' => 'fieldset', '#title' => t('Borders'), '#description' => t('Use these settings to change the border style.'), '#collapsible' => TRUE, '#collapsed' => FALSE);
    $form['border_container']['border_classes'] = array('#type' => 'radios', '#title' => t('Border style for content section'), '#default_value' => theme_get_setting('border_classes'), '#options' => array('' => t('No borders - <strong><em>Default</em></strong>'), 'borders' => t('Show borders')));
    $form['border_container']['corner_classes'] = array('#type' => 'radios', '#title' => t('Corner style'), '#default_value' => theme_get_setting('corner_classes'), '#options' => array('' => t('Straight corners - <strong><em>Default</em></strong>'), 'roundedcorners' => t('Rounded corners (not supported in Internet Explorer 8 or below)')));
    // Attach custom submit handler to the form
    $form['#submit'][] = 'open_framework_settings_submit';
    $form['#validate'][] = 'open_framework_settings_validate';
}

/**
 * Implements theme_settings().
 */
function nuboot_radix_form_system_theme_settings_alter(&$form, &$form_state)
{
    // Ensure this include file is loaded when the form is rebuilt from the cache.
    $form_state['build_info']['files']['form'] = drupal_get_path('theme', 'default') . '/theme-settings.php';
    // Add theme settings here.
    $form['nuboot_radix_theme_settings'] = array('#title' => t('Theme Settings'), '#type' => 'fieldset');
    // Copyright.
    $copyright = theme_get_setting('copyright');
    $form['nuboot_radix_theme_settings']['copyright'] = array('#title' => t('Copyright'), '#type' => 'text_format', '#format' => 'html', '#default_value' => isset($copyright['value']) ? $copyright['value'] : t('Powered by <a href="http://nucivic.com/dkan">DKAN</a>, a project of <a href="http://nucivic.com">NuCivic</a>'));
    // Hero fieldset.
    $form['hero'] = array('#type' => 'fieldset', '#title' => t('Hero Unit'), '#group' => 'general');
    // Default path for image.
    $hero_path = theme_get_setting('hero_path');
    if (file_uri_scheme($hero_path) == 'public') {
        $hero_path = file_uri_target($hero_path);
    }
    // Helpful text showing the file name, non-editable.
    $form['hero']['hero_path'] = array('#type' => 'textfield', '#title' => 'Path to front page background image', '#default_value' => $hero_path, '#disabled' => TRUE);
    // Upload field.
    $form['hero']['hero_upload'] = array('#type' => 'file', '#title' => 'Upload a new photo for the hero unit', '#description' => t('<p>The hero unit is the large featured area located on the front page. 
      This theme supplies a default background image for this area. You may upload a different 
      photo here and it will replace the default background image.</p><p>Max. file size: 2 MB
      <br>Recommended pixel size: 1920 x 400<br>Allowed extensions: .png .jpg .jpeg</p>'), '#upload_validators' => array('file_validate_extensions' => array('png jpg jpeg')));
    // Attach custom submit handler to the form.
    $form['#submit'][] = 'nuboot_radix_settings_submit';
    // Return the additional form widgets.
    return $form;
}

/**
 * Alter the URL to a file.
 *
 * This hook is called from file_create_url(), and  is called fairly
 * frequently (10+ times per page), depending on how many files there are in a
 * given page.
 * If CSS and JS aggregation are disabled, this can become very frequently
 * (50+ times per page) so performance is critical.
 *
 * This function should alter the URI, if it wants to rewrite the file URL.
 *
 * @param $uri
 *   The URI to a file for which we need an external URL, or the path to a
 *   shipped file.
 */
function hook_file_url_alter(&$uri)
{
    $user = \Drupal::currentUser();
    // User 1 will always see the local file in this example.
    if ($user->id() == 1) {
        return;
    }
    $cdn1 = 'http://cdn1.example.com';
    $cdn2 = 'http://cdn2.example.com';
    $cdn_extensions = array('css', 'js', 'gif', 'jpg', 'jpeg', 'png');
    // Most CDNs don't support private file transfers without a lot of hassle,
    // so don't support this in the common case.
    $schemes = array('public');
    $scheme = file_uri_scheme($uri);
    // Only serve shipped files and public created files from the CDN.
    if (!$scheme || in_array($scheme, $schemes)) {
        // Shipped files.
        if (!$scheme) {
            $path = $uri;
        } else {
            $wrapper = \Drupal::service('stream_wrapper_manager')->getViaScheme($scheme);
            $path = $wrapper->getDirectoryPath() . '/' . file_uri_target($uri);
        }
        // Clean up Windows paths.
        $path = str_replace('\\', '/', $path);
        // Serve files with one of the CDN extensions from CDN 1, all others from
        // CDN 2.
        $pathinfo = pathinfo($path);
        if (isset($pathinfo['extension']) && in_array($pathinfo['extension'], $cdn_extensions)) {
            $uri = $cdn1 . '/' . $path;
        } else {
            $uri = $cdn2 . '/' . $path;
        }
    }
}

 /**
  * Test the theme settings form.
  */
 function testThemeSettings()
 {
     // Ensure invalid theme settings form URLs return a proper 404.
     $this->drupalGet('admin/appearance/settings/bartik');
     $this->assertResponse(404, 'The theme settings form URL for a uninstalled theme could not be found.');
     $this->drupalGet('admin/appearance/settings/' . $this->randomMachineName());
     $this->assertResponse(404, 'The theme settings form URL for a non-existent theme could not be found.');
     // Specify a filesystem path to be used for the logo.
     $file = current($this->drupalGetTestFiles('image'));
     $file_relative = strtr($file->uri, array('public:/' => PublicStream::basePath()));
     $default_theme_path = 'core/themes/classy';
     $supported_paths = array($file->uri => array('form' => file_uri_target($file->uri), 'src' => file_create_url($file->uri)), file_uri_target($file->uri) => array('form' => file_uri_target($file->uri), 'src' => file_create_url($file->uri)), $file_relative => array('form' => $file_relative, 'src' => file_create_url($file->uri)), 'core/misc/druplicon.png' => array('form' => 'core/misc/druplicon.png', 'src' => $GLOBALS['base_url'] . '/' . 'core/misc/druplicon.png'), $default_theme_path . '/logo.svg' => array('form' => $default_theme_path . '/logo.svg', 'src' => $GLOBALS['base_url'] . '/' . $default_theme_path . '/logo.svg'));
     foreach ($supported_paths as $input => $expected) {
         $edit = array('default_logo' => FALSE, 'logo_path' => $input);
         $this->drupalPostForm('admin/appearance/settings', $edit, t('Save configuration'));
         $this->assertNoText('The custom logo path is invalid.');
         $this->assertFieldByName('logo_path', $expected['form']);
         // Verify logo path examples.
         $elements = $this->xpath('//div[contains(@class, :item)]/div[@class=:description]/code', array(':item' => 'form-item-logo-path', ':description' => 'description'));
         // Expected default values (if all else fails).
         $implicit_public_file = 'logo.svg';
         $explicit_file = 'public://logo.svg';
         $local_file = $default_theme_path . '/logo.svg';
         // Adjust for fully qualified stream wrapper URI in public filesystem.
         if (file_uri_scheme($input) == 'public') {
             $implicit_public_file = file_uri_target($input);
             $explicit_file = $input;
             $local_file = strtr($input, array('public:/' => PublicStream::basePath()));
         } elseif (file_uri_scheme($input) !== FALSE) {
             $explicit_file = $input;
         } elseif ($input == file_uri_target($file->uri)) {
             $implicit_public_file = $input;
             $explicit_file = 'public://' . $input;
             $local_file = PublicStream::basePath() . '/' . $input;
         }
         $this->assertEqual((string) $elements[0], $implicit_public_file);
         $this->assertEqual((string) $elements[1], $explicit_file);
         $this->assertEqual((string) $elements[2], $local_file);
         // Verify the actual 'src' attribute of the logo being output.
         $this->drupalGet('');
         $elements = $this->xpath('//header/a[@rel=:rel]/img', array(':rel' => 'home'));
         $this->assertEqual((string) $elements[0]['src'], $expected['src']);
     }
     $unsupported_paths = array('public://whatever.png', 'private://whatever.png', 'temporary://whatever.png', 'public:/whatever.png', '://whatever.png', ':whatever.png', 'public://', 'whatever.png', PublicStream::basePath() . '/whatever.png', '/' . PublicStream::basePath() . '/whatever.png', 'core/misc/whatever.png', '/core/misc/whatever.png', drupal_realpath($file->uri));
     $this->drupalGet('admin/appearance/settings');
     foreach ($unsupported_paths as $path) {
         $edit = array('default_logo' => FALSE, 'logo_path' => $path);
         $this->drupalPostForm(NULL, $edit, t('Save configuration'));
         $this->assertText('The custom logo path is invalid.');
     }
     // Upload a file to use for the logo.
     $edit = array('default_logo' => FALSE, 'logo_path' => '', 'files[logo_upload]' => drupal_realpath($file->uri));
     $this->drupalPostForm('admin/appearance/settings', $edit, t('Save configuration'));
     $fields = $this->xpath($this->constructFieldXpath('name', 'logo_path'));
     $uploaded_filename = 'public://' . $fields[0]['value'];
     $this->drupalGet('');
     $elements = $this->xpath('//header/a[@rel=:rel]/img', array(':rel' => 'home'));
     $this->assertEqual($elements[0]['src'], file_create_url($uploaded_filename));
 }

 /**
  * Overrides LinkitSearchPluginEntity::createGroup().
  */
 function createGroup($entity)
 {
     // The the standard group name.
     $group = parent::createGroup($entity);
     // Add the scheme.
     if ($this->conf['group_by_scheme']) {
         // Get all stream wrappers.
         $stream_wrapper = file_get_stream_wrappers();
         $group .= ' - ' . $stream_wrapper[file_uri_scheme($entity->uri)]['name'];
     }
     return $group;
 }

 /**
  * {@inheritdoc}
  */
 public function viewElements(FieldItemListInterface $items, $langcode)
 {
     $element = [];
     $settings = $this->getSettings();
     foreach ($items as $delta => $item) {
         $file = File::load($item->target_id);
         $metadata = isset($item->data) ? unserialize($item->data) : array();
         $scheme = file_uri_scheme($file->getFileUri());
         $provider = $this->providerManager->loadProviderFromStream($scheme, $file, $metadata);
         $element[$delta] = $provider->renderEmbedCode($settings);
     }
     return $element;
 }

 /**
  * Test the file_unmanaged_save_data() function.
  */
 function testFileSaveData()
 {
     $contents = $this->randomMachineName(8);
     $this->settingsSet('file_chmod_file', 0777);
     // No filename.
     $filepath = file_unmanaged_save_data($contents);
     $this->assertTrue($filepath, 'Unnamed file saved correctly.');
     $this->assertEqual(file_uri_scheme($filepath), file_default_scheme(), "File was placed in Drupal's files directory.");
     $this->assertEqual($contents, file_get_contents($filepath), 'Contents of the file are correct.');
     // Provide a filename.
     $filepath = file_unmanaged_save_data($contents, 'public://asdf.txt', FILE_EXISTS_REPLACE);
     $this->assertTrue($filepath, 'Unnamed file saved correctly.');
     $this->assertEqual('asdf.txt', drupal_basename($filepath), 'File was named correctly.');
     $this->assertEqual($contents, file_get_contents($filepath), 'Contents of the file are correct.');
     $this->assertFilePermissions($filepath, 0777);
 }

function academy_form_system_theme_settings_alter(&$form, &$form_state)
{
    // Container fieldset
    $form['bg_image'] = array('#type' => 'fieldset', '#title' => t('Background image (must be tileable PNG)'));
    // Default path for image
    $bg_path = theme_get_setting('bg_path');
    if (file_uri_scheme($bg_path) == 'public') {
        $bg_path = file_uri_target($bg_path);
    }
    // Helpful text showing the file name, disabled to avoid the user thinking it can be used for any purpose.
    $form['bg_image']['bg_path'] = array('#type' => 'textfield', '#title' => 'Path to background image', '#default_value' => $bg_path, '#disabled' => TRUE);
    // Upload field
    $form['bg_image']['bg_upload'] = array('#type' => 'file', '#title' => 'Upload background image', '#description' => 'Upload a new image for the background.');
    // Attach custom submit handler to the form
    $form['#submit'][] = 'academy_settings_submit';
}

/**
 * Implements hook_form_system_theme_settings_alter().
 */
function nuboot_form_system_theme_settings_alter(&$form, &$form_state)
{
    // Hero fieldset.
    $form['hero'] = array('#type' => 'fieldset', '#title' => t('Hero Unit'), '#group' => 'general');
    // Default path for image.
    $hero_path = theme_get_setting('hero_path');
    if (file_uri_scheme($hero_path) == 'public') {
        $hero_path = file_uri_target($hero_path);
    }
    // Helpful text showing the file name, non-editable.
    $form['hero']['hero_path'] = array('#type' => 'textfield', '#title' => 'Path to front page hero unit background image', '#default_value' => $hero_path, '#disabled' => TRUE);
    // Upload field.
    $form['hero']['hero_upload'] = array('#type' => 'file', '#title' => 'Upload a photo for the hero unit background image', '#description' => 'Upload a new image for the hero region background.', '#upload_validators' => array('file_validate_extensions' => array('png jpg jpeg')));
    // Attach custom submit handler to the form.
    $form['#submit'][] = 'nuboot_settings_submit';
}

function agency_1_form_system_theme_settings_alter(&$form, &$form_state)
{
    //Add the css to fix the color module's goofy form
    drupal_add_css(drupal_get_path('theme', 'agency_1') . '/css/colors-admin.css');
    //Fix color module rendering of new colors added to .inc file
    agency_1_theme_settings_add_new_colors();
    /*
     * Sliver show/hide
     */
    $show_sliver = isset($theme_settings['show_sliver']) ? $theme_settings['show_sliver'] : NULL;
    //Add the checkbox to the form
    $form['sliver'] = array('#type' => 'fieldset', '#title' => t('Sliver banner settings'), '#description' => t('If toggled on, the sliver banner will be displayed.'), '#attributes' => array('class' => array('theme-settings-bottom')));
    $form['sliver']['show_sliver'] = array('#type' => 'checkbox', '#title' => t('Display the sliver banner'), '#default_value' => theme_get_setting('show_sliver'), '#tree' => FALSE, '#description' => t('Check here if you want the theme to display the sliver banner.'));
    /*
     * Background Image
     */
    $background_path = isset($theme_settings['background_path']) ? $theme_settings['background_path'] : NULL;
    // If $background_path is a public:// URI, display the path relative to the files directory. (Stream wrappers are not end-user friendly)
    if (file_uri_scheme($background_path) == 'public') {
        $background_path = file_uri_target($background_path);
    }
    //Add the background image fields to the form
    $form['background_image'] = array('#type' => 'fieldset', '#title' => t('Background image settings'), '#description' => t('If toggled on, the following background will be displayed.'), '#attributes' => array('class' => array('theme-settings-bottom')));
    $form['background_image']['default_background'] = array('#type' => 'checkbox', '#title' => t('Use the default background'), '#default_value' => theme_get_setting('default_background'), '#tree' => FALSE, '#description' => t('Check here if you want the theme to use the background supplied with it.'));
    $form['background_image']['settings'] = array('#type' => 'container', '#states' => array('invisible' => array('input[name="default_background"]' => array('checked' => TRUE))));
    $form['background_image']['settings']['background_path'] = array('#type' => 'textfield', '#title' => t('Path to custom background'), '#description' => t('The path to the file you would like to use as your background file instead of the default background.'), '#default_value' => theme_get_setting('background_path'));
    $form['background_image']['settings']['background_file'] = array('#type' => 'file', '#title' => t('Upload background image'), '#maxlength' => 40, '#description' => t("If you don't have direct file access to the server, use this field to upload your background image."), '#element_validate' => array('_agency_1_theme_settings_validate'));
    //Toggle display of the branding block in the footer
    $form['footer_branding'] = array('#type' => 'fieldset', '#title' => t('Footer Branding settings'), '#description' => t('If toggled on, the branding block will be displayed.'), '#attributes' => array('class' => array('theme-settings-bottom')));
    $form['footer_branding']['display_footer_branding'] = array('#type' => 'checkbox', '#title' => t('Display the branding block in the footer'), '#default_value' => theme_get_setting('display_footer_branding'), '#tree' => FALSE, '#description' => t('Check here if you want to display the branding  block in the footer.'));
    //Capture the information for the Contact Us section in the footer
    $form['footer_contact_us'] = array('#type' => 'fieldset', '#title' => t('Footer "Contact Us" settings'), '#description' => t('If toggled on, the Contact Us block will be displayed.'), '#attributes' => array('class' => array('theme-settings-bottom')));
    $form['footer_contact_us']['display_footer_contact'] = array('#type' => 'checkbox', '#title' => t('Display the Contact Us block in the footer'), '#default_value' => theme_get_setting('display_footer_contact'), '#tree' => FALSE, '#description' => t('Check here if you want to display the Contact Us block in the footer.'));
    $form['footer_contact_us']['settings'] = array('#type' => 'container', '#states' => array('invisible' => array('input[name="display_footer_contact"]' => array('checked' => FALSE))));
    $form['footer_contact_us']['settings']['footer_contact_us_title'] = array('#type' => 'textfield', '#title' => t('Title'), '#description' => t('Title for the Contact Us block.'), '#default_value' => theme_get_setting('footer_contact_us_title'));
    $form['footer_contact_us']['settings']['footer_contact_us_title_link'] = array('#type' => 'textfield', '#title' => t('Title Link'), '#description' => t('Link for the title in the Contact Us block. (Recommend linking to the contact form.)'), '#default_value' => theme_get_setting('footer_contact_us_title_link'));
    $form['footer_contact_us']['settings']['footer_contact_us_agency_title'] = array('#type' => 'textfield', '#title' => t('Agency Title'), '#description' => t('Agency title for the Contact Us block.'), '#default_value' => theme_get_setting('footer_contact_us_agency_title'));
    $form['footer_contact_us']['settings']['footer_contact_us_address_1'] = array('#type' => 'textfield', '#title' => t('Address Line 1'), '#description' => t('Address line 1 for the Contact Us block.'), '#default_value' => theme_get_setting('footer_contact_us_address_1'));
    $form['footer_contact_us']['settings']['footer_contact_us_address_2'] = array('#type' => 'textfield', '#title' => t('Address Line 2'), '#description' => t('Address line 2 for the Contact Us block.'), '#default_value' => theme_get_setting('footer_contact_us_address_2'));
    $form['footer_contact_us']['settings']['footer_contact_us_phone'] = array('#type' => 'textfield', '#title' => t('Phone Number'), '#description' => t('Phone number for the Contact Us block.'), '#default_value' => theme_get_setting('footer_contact_us_phone'));
    $form['footer_contact_us']['settings']['footer_contact_us_fax'] = array('#type' => 'textfield', '#title' => t('Fax Number'), '#description' => t('Fax number for the Contact Us block.'), '#default_value' => theme_get_setting('footer_contact_us_fax'));
    $form['footer_contact_us']['settings']['footer_contact_us_map_link'] = array('#type' => 'textfield', '#title' => t('Map Link'), '#description' => t('Link for the map in the Contact Us block.'), '#default_value' => theme_get_setting('footer_contact_us_map_link'));
    $form['footer_contact_us']['settings']['footer_contact_us_map_path'] = array('#type' => 'textfield', '#title' => t('Path to map image'), '#description' => t('The path to the file you would like to use as your map image. (150px x 150px)'), '#default_value' => theme_get_setting('footer_contact_us_map_path'));
    $form['footer_contact_us']['settings']['footer_contact_us_map_image'] = array('#type' => 'file', '#title' => t('Upload map image'), '#maxlength' => 40, '#description' => t("Use this field to upload your map image. (150px x 150px.  Will be resized if necessary.)"), '#element_validate' => array('_agency_1_theme_settings_map'));
    //End Contact Us
    return $form;
}

/**
 * Implementation of hook_form_system_theme_settings_alter() 
 */
function locke_form_system_theme_settings_alter(&$form, &$form_state)
{
    // Ensure this include file is loaded when the form is rebuilt from the cache.
    $form_state['build_info']['files']['form'] = drupal_get_path('theme', 'locke') . '/theme-settings.php';
    // Add theme settings here.
    $form['locke_theme_settings'] = array('#title' => t('Theme Settings'), '#type' => 'fieldset');
    // Copyright.
    $copyright = theme_get_setting('copyright');
    $form['locke_theme_settings']['copyright'] = array('#title' => t('Copyright'), '#type' => 'text_format', '#format' => $copyright['format'], '#default_value' => $copyright['value'] ? $copyright['value'] : t('Drupal is a registered trademark of Dries Buytaert.'));
    // Update the "Toogle Display" to something clearer
    $form['theme_settings']['#title'] = t('Theme Display Settings');
    // Change Weighting of Default Setting Fields
    $form['theme_settings']['#weight'] = 20;
    $form['logo']['#weight'] = 30;
    $form['favicon']['#weight'] = 40;
    // Define the contact information fieldset
    $form['contact_information'] = array('#type' => 'fieldset', '#title' => t('Contact Information in Footer'));
    // Define the phone number
    $form['contact_information']['phone'] = array('#type' => 'textfield', '#title' => t('Phone Number'), '#default_value' => theme_get_setting('phone'));
    // Define your fax number
    $form['contact_information']['fax'] = array('#type' => 'textfield', '#title' => t('Fax Number'), '#default_value' => theme_get_setting('fax'));
    // Define your address
    $form['contact_information']['address'] = array('#type' => 'textarea', '#title' => t('Address'), '#rows' => 3, '#default_value' => theme_get_setting('address'));
    // Define the social media links
    $form['social_media'] = array('#type' => 'fieldset', '#title' => t('Social Media Links in Footer'));
    // Define the twitter link
    $form['social_media']['twitter_link'] = array('#type' => 'textfield', '#title' => 'Twitter', '#default_value' => theme_get_setting('twitter_link'));
    // Define the facebook link
    $form['social_media']['facebook_link'] = array('#type' => 'textfield', '#title' => 'Facebook', '#default_value' => theme_get_setting('facebook_link'));
    // Define the youtube link
    $form['social_media']['youtube_link'] = array('#type' => 'textfield', '#title' => 'YouTube', '#default_value' => theme_get_setting('youtube_link'));
    // Update the image settings to include seal
    $form['logo']['#title'] = 'Image settings';
    $default_seal = theme_get_setting('default_seal');
    $form['logo']['default_seal'] = array('#type' => 'checkbox', '#title' => t('Use the default seal'), '#tree' => FALSE, '#description' => t('Check here if you want the theme to use the seal supplied with it'), '#default_value' => empty($default_seal) ? 0 : 1);
    $seal_path = theme_get_setting('seal_path');
    // If $seal_path is a public:// URI, display the path relative to the files
    // directory; stream wrappers are not end-user friendly.
    if (file_uri_scheme($seal_path) == 'public') {
        $seal_path = file_uri_target($seal_path);
    }
    $form['logo']['seal_settings'] = array('#type' => 'container', '#states' => array('invisible' => array('input[name="default_seal"]' => array('checked' => TRUE))), 'seal_path' => array('#type' => 'textfield', '#title' => 'Path to custom seal', '#description' => 'The path to the file you would like to use as your seal file instead of the default seal.', '#default_value' => $seal_path), 'seal_upload' => array('#type' => 'file', '#title' => 'Upload logo image', '#maxlength' => 40, '#description' => 'If you don\'t have direct file access to the server, use this field to upload your seal.'));
    $form['#submit'][] = 'locke_theme_settings_submit';
    $form['#validate'][] = 'locke_theme_settings_validate';
}

 /**
  * Test file_save_data() when replacing an existing file.
  */
 function testExistingReplace()
 {
     // Setup a file to overwrite.
     $existing = $this->createFile();
     $contents = $this->randomMachineName(8);
     $result = file_save_data($contents, $existing->getFileUri(), FILE_EXISTS_REPLACE);
     $this->assertTrue($result, 'File saved successfully.');
     $this->assertEqual('public', file_uri_scheme($result->getFileUri()), "File was placed in Drupal's files directory.");
     $this->assertEqual($result->getFilename(), $existing->getFilename(), 'Filename was set to the basename of the existing file, rather than preserving the original name.');
     $this->assertEqual($contents, file_get_contents($result->getFileUri()), 'Contents of the file are correct.');
     $this->assertEqual($result->getMimeType(), 'application/octet-stream', 'A MIME type was set.');
     $this->assertTrue($result->isPermanent(), "The file's status was set to permanent.");
     // Check that the correct hooks were called.
     $this->assertFileHooksCalled(array('load', 'update'));
     // Verify that the existing file was re-used.
     $this->assertSameFile($existing, $result);
     // Verify that what was returned is what's in the database.
     $this->assertFileUnchanged($result, File::load($result->id()));
 }

 /**
  * {@inheritdoc}
  */
 public function save($destination)
 {
     $scheme = file_uri_scheme($destination);
     // Work around lack of stream wrapper support in imagejpeg() and imagepng().
     if ($scheme && file_stream_wrapper_valid_scheme($scheme)) {
         // If destination is not local, save image to temporary local file.
         $local_wrappers = file_get_stream_wrappers(STREAM_WRAPPERS_LOCAL);
         if (!isset($local_wrappers[$scheme])) {
             $permanent_destination = $destination;
             $destination = drupal_tempnam('temporary://', 'gd_');
         }
         // Convert stream wrapper URI to normal path.
         $destination = drupal_realpath($destination);
     }
     switch ($this->getType()) {
         case GDToolkitWebP::IMAGETYPE_WEBP:
             $function = 'imagewebp';
             break;
         default:
             $function = 'image' . image_type_to_extension($this->getType(), FALSE);
             break;
     }
     if (!function_exists($function)) {
         return FALSE;
     }
     if ($this->getType() == IMAGETYPE_JPEG) {
         $success = $function($this->getResource(), $destination, $this->configFactory->get('system.image.gd')->get('jpeg_quality'));
     } else {
         // Always save PNG images with full transparency.
         if ($this->getType() == IMAGETYPE_PNG) {
             imagealphablending($this->getResource(), FALSE);
             imagesavealpha($this->getResource(), TRUE);
         }
         $success = $function($this->getResource(), $destination);
     }
     // Move temporary local file to remote destination.
     if (isset($permanent_destination) && $success) {
         return (bool) file_unmanaged_move($destination, $permanent_destination, FILE_EXISTS_REPLACE);
     }
     return $success;
 }

function SFT_preprocess_html(&$vars)
{
    // theme option variables
    $vars['content_order_classes'] = !empty($vars['content_order_classes']) ? $vars['content_order_classes'] : theme_get_setting('content_order_classes');
    $vars['front_heading_classes'] = !empty($vars['front_heading_classes']) ? $vars['front_heading_classes'] : theme_get_setting('front_heading_classes');
    $vars['breadcrumb_classes'] = !empty($vars['breadcrumb_classes']) ? $vars['breadcrumb_classes'] : theme_get_setting('breadcrumb_classes');
    $vars['border_classes'] = !empty($vars['border_classes']) ? $vars['border_classes'] : theme_get_setting('border_classes');
    $vars['corner_classes'] = !empty($vars['corner_classes']) ? $vars['corner_classes'] : theme_get_setting('corner_classes');
    $vars['body_bg_type'] = !empty($vars['body_bg_type']) ? $vars['body_bg_type'] : theme_get_setting('body_bg_type');
    $vars['body_bg_classes'] = !empty($vars['body_bg_classes']) ? $vars['body_bg_classes'] : theme_get_setting('body_bg_classes');
    $vars['body_bg_path'] = !empty($vars['body_bg_path']) ? $vars['body_bg_path'] : theme_get_setting('body_bg_path');
    $vars['font_awesome_version'] = !empty($vars['font_awesome_version']) ? $vars['font_awesome_version'] : theme_get_setting('font_awesome_version');
    // Variables
    $content_order_classes = $vars['content_order_classes'];
    $front_heading_classes = $vars['front_heading_classes'];
    $breadcrumb_classes = $vars['breadcrumb_classes'];
    $border_classes = $vars['border_classes'];
    $corner_classes = $vars['corner_classes'];
    $body_bg_type = $vars['body_bg_type'];
    $body_bg_classes = $vars['body_bg_classes'];
    $body_bg_path = $vars['body_bg_path'];
    // Default path for body background image
    if (file_uri_scheme($body_bg_path) == 'public') {
        $body_bg_path = file_create_url($body_bg_path);
    }
    // If body background image is enabled, add following style to body
    if (!empty($body_bg_classes)) {
        drupal_add_css('body {background: url(' . $body_bg_path . ') repeat top left;}', array('group' => CSS_THEME, 'type' => 'inline', 'media' => 'screen', 'preprocess' => FALSE, 'weight' => '9999'));
    }
    // Add body class based on style selected
    $vars['classes_array'][] = $vars['body_bg_type'];
    $vars['classes_array'][] = $vars['body_bg_classes'];
    $vars['classes_array'][] = $vars['content_order_classes'];
    $vars['classes_array'][] = $vars['front_heading_classes'];
    $vars['classes_array'][] = $vars['breadcrumb_classes'];
    $vars['classes_array'][] = $vars['border_classes'];
    $vars['classes_array'][] = $vars['corner_classes'];
}

 /**
  * {@inheritdoc}
  */
 public function viewElements(FieldItemListInterface $items, $langcode)
 {
     // load widget settings
     $field_definition = $this->fieldDefinition;
     $entity_form_display = entity_get_form_display($field_definition->getTargetEntityTypeId(), $field_definition->getTargetBundle(), 'default');
     $widget = $entity_form_display->getRenderer($field_definition->getName());
     $widget_settings = $widget->getSettings();
     $element = [];
     foreach ($items as $delta => $item) {
         $file = File::load($item->target_id);
         $metadata = isset($item->data) ? unserialize($item->data) : array();
         $scheme = file_uri_scheme($file->getFileUri());
         $provider = $this->providerManager->loadProviderFromStream($scheme, $file, $metadata, $widget_settings);
         $url = FALSE;
         if ($this->getSetting('link_image_to') == static::LINK_CONTENT) {
             $url = $items->getEntity()->urlInfo();
         } elseif ($this->getSetting('link_image_to') == static::LINK_PROVIDER) {
             $url = Url::fromUri(file_create_url($file->getFileUri()));
         }
         $element[$delta] = $provider->renderThumbnail($this->getSetting('image_style'), $url);
     }
     return $element;
 }