panopoly_images.module in Panopoly 7

File

modules/panopoly/panopoly_images/panopoly_images.module

<?php

include_once 'panopoly_images.features.inc';

/**
 * Implementation of hook_init()
 */
function panopoly_images_init() {

  // Adding the panopoly images file to the theme so it will show up in the WYSIWYG
  drupal_add_css(drupal_get_path('module', 'panopoly_images') . '/panopoly-images.css', array(
    'group' => CSS_THEME,
  ));
  $images_loaded = libraries_load('jquery.imagesloaded');
  if (empty($images_loaded['loaded'])) {
    watchdog('panopoly-images', 'Panopoly Images could not find the jquery.imagesloaded library. This should get loaded by the Manual Crop module', array(), WATCHDOG_ERROR);
  }
  else {
    drupal_add_js(drupal_get_path('module', 'panopoly_images') . '/panopoly-images.js', array(
      'type' => 'file',
      'group' => JS_DEFAULT,
      'every_page' => TRUE,
    ));
  }
}

/**
 * Implements hook_media_wysiwyg_wysiwyg_allowed_view_modes_alter().
 */
function panopoly_images_media_wysiwyg_wysiwyg_allowed_view_modes_alter(&$options, $context) {
  if ($context->type == 'image') {

    // Relabel some options
    $labels = array(
      'default' => t('Original Size'),
      'teaser' => t('Quarter Size'),
      'preview' => t('Thumbnail'),
    );
    foreach ($labels as $name => $label) {
      if (isset($options[$name])) {
        if (is_array($options[$name])) {
          $options[$name]['label'] = $label;
        }
        else {
          $options[$name] = $label;
        }
      }
    }
  }
}

/**
 * Implementation of hook_jorm_alter()
 */
function panopoly_images_form_alter(&$form, &$form_state, $form_id) {

  // Remove some necessary image styles
  if ($form_id == 'ctools_entity_field_content_type_formatter_styles') {
    if (!empty($form['image_style']['#options'])) {
      $styles_to_remove = array(
        'apps_logo',
        'apps_logo_small',
        'apps_screenshot',
        'apps_featured_screenshot',
        'linkit_thumb',
        'thumbnail',
        'medium',
        'large',
        'media_thumbnail',
      );
      foreach ($styles_to_remove as $style_name) {
        if (!empty($form['image_style']['#options'][$style_name])) {
          unset($form['image_style']['#options'][$style_name]);
        }
      }
    }
  }

  // Improve the media upload form
  if (!empty($form['upload'])) {
    $form['upload']['#size'] = 30;
  }

  // Warm the image style cache by preloading some images. This is needed when the images are
  // added in the WYSIWYG so they will be fully rendered and can be sized on insert.
  if ($form_id == 'media_format_form') {
    $form['preload'] = array(
      '#prefix' => '<div style="display: none">',
      '#suffix' => '</div>',
    );
    $image_path = $form['#media']->uri;
    $image_formats = array(
      'panopoly_image_full',
      'panopoly_image_half',
      'panopoly_image_quarter',
    );
    foreach ($image_formats as $format) {
      $form['preload'][$format] = array(
        '#markup' => theme('image', array(
          'path' => image_style_url($format, $image_path),
        )),
      );
    }
  }

  // Set the default media style to be default
  if ($form_id == 'media_format_form' && !empty($form['options']['format'])) {
    $form['options']['format']['#default_value'] = 'default';
  }
}

/**
 * Implementation of hook_file_displays_alter()
 *
 * This function is designed to readjust the width and height properties in the WYSIWYG.
 * See this issue for more background - http://drupal.org/node/1801308.
 */
function panopoly_images_file_displays_alter(&$displays, &$file, &$view_mode) {
  if (!empty($file->override['attributes']['width'])) {
    $file->image_dimensions['width'] = $file->override['attributes']['width'];
  }
  if (!empty($file->override['attributes']['height'])) {
    $file->image_dimensions['height'] = $file->override['attributes']['height'];
  }
}

/**
 * Implements hook_file_default_displays_alter().
 */
function panopoly_images_file_default_displays_alter(&$file_displays) {

  // Disable some displays that are enabled by Media and File Entity by default.
  $disable_displays = array(
    'image__default__file_field_file_default',
    'image__teaser__file_field_file_default',
    'image__preview__file_field_file_default',
    'image__preview__file_field_media_large_icon',
  );
  foreach ($disable_displays as $name) {
    if (isset($file_displays[$name])) {
      $file_displays[$name]->status = FALSE;
    }
  }

  // Modify some displays that are configured by Media and File Entity.
  if (isset($file_displays['image__default__file_field_image'])) {
    $file_displays['image__default__file_field_image']->settings['image_style'] = 'panopoly_image_original';
  }
  if (isset($file_displays['image__preview__file_field_image'])) {
    $file_displays['image__preview__file_field_image']->settings['image_style'] = 'panopoly_image_thumbnail';
  }
  if (isset($file_displays['image__teaser__file_field_image'])) {
    $file_displays['image__teaser__file_field_image']->settings['image_style'] = 'panopoly_image_quarter';
  }
}

/**
 * Implementation of hook_preprocess_image_style()
 */
function panopoly_images_preprocess_image_style(&$variables) {

  // Some modules are misusing the class attributes as string
  // instead of array so make sure the format is correct.
  // See #2181263.
  if (isset($variables['attributes']['class']) && !is_array($variables['attributes']['class'])) {
    $variables['attributes']['class'] = explode(' ', $variables['attributes']['class']);
  }
  if (!empty($variables['attributes']['class'])) {
    $img_style_names = array_keys(image_styles());
    $classes = array();
    foreach ($variables['attributes']['class'] as $class) {
      if (!in_array(str_replace('-', '_', $class), $img_style_names)) {
        $classes[] = $class;
      }
    }
    $variables['attributes']['class'] = $classes;
  }
  $variables['attributes']['class'][] = str_replace('_', '-', $variables['style_name']);
}

/**
 * Implements hook_preprocess_image().
 */
function panopoly_images_preprocess_image(&$variables) {

  // If the alt attribute is not set, set it to the empty string.
  if (!isset($variables['alt'])) {
    $variables['alt'] = '';
  }
}

/**
 * Implements hook_entity_info_alter().
 */
function panopoly_images_entity_info_alter(&$entity_info) {
  $entity_info['file']['view modes']['link'] = array(
    'label' => t('Link'),
    'custom settings' => TRUE,
  );
}

/**
 * Implementation of hook_field_widget_form_alter().
 *
 * This a minor hack to improve compatiblity with sites that use the
 * the focal_point module, by disabling focal_point on fields that have
 * manualcrop enabled. If users want to use focal_point, they simply have
 * to disable manualcrop for that field.
 */
function panopoly_images_field_widget_form_alter(&$element, &$form_state, $context) {
  $widget = $context['instance']['widget'];
  if (module_exists('focal_point') && in_array('image', array_filter(variable_get("focal_point_enabled_for", array(
    'image',
  ))))) {
    if (manualcrop_supported_widgets($widget['type']) && !empty($widget['settings']['manualcrop_enable'])) {
      foreach (element_children($element) as $delta) {
        foreach ($element[$delta]['#process'] as $index => $function) {

          // If this element was processed by focal_point, then we remove all
          // of it's customizations, so this module can use manualcrop.
          if (substr($function, 0, 11) == 'focal_point') {
            unset($element[$delta]['#process'][$index]);
            unset($element[$delta]['#widget_delta']);
            if (($class_index = array_search('focal_point', $element[$delta]['#attributes']['class'])) !== FALSE) {
              unset($element[$delta]['#attributes']['class'][$class_index]);
            }
            break;
          }
        }
      }
    }
  }
}

Functions

Name	Description
panopoly_images_entity_info_alter	Implements hook_entity_info_alter().
panopoly_images_field_widget_form_alter	Implementation of hook_field_widget_form_alter().
panopoly_images_file_default_displays_alter	Implements hook_file_default_displays_alter().
panopoly_images_file_displays_alter	Implementation of hook_file_displays_alter()
panopoly_images_form_alter	Implementation of hook_jorm_alter()
panopoly_images_init	Implementation of hook_init()
panopoly_images_media_wysiwyg_wysiwyg_allowed_view_modes_alter	Implements hook_media_wysiwyg_wysiwyg_allowed_view_modes_alter().
panopoly_images_preprocess_image	Implements hook_preprocess_image().
panopoly_images_preprocess_image_style	Implementation of hook_preprocess_image_style()