File: //proc/self/cwd/wp-content/new_update/plugins/crop-thumbnails/functions/backendpreparer.php
<?php
/**
* Adds the Crop-Thumbnail-Editor to the Backend.
*/
class CropPostThumbnailsBackendPreparer {
protected $allowedMime = ['image/webp','image/jpeg','image/png'];
public function __construct() {
if ( is_admin() ) {
//add style and javascript
add_action( 'admin_print_styles', [&$this, 'adminHeaderCSS'] );
add_action( 'admin_print_scripts', [&$this, 'adminHeaderJS'] );
add_filter( 'attachment_fields_to_edit', [$this,'add_button_to_attachment_edit_view'], 10, 2 );
}
}
/**
* Check if the crop-thumbnail-dialog should be available on the following pages. The default pages are
* page and post editing pages, as well as the media-library.
*
* How to enhance the result.
* <code>
* add_filter('crop_thumbnails_activat_on_adminpages', function($oldValue) {
* global $pagenow;
* return $oldValue || $pagenow==='term.php';//for adding taxonomy edit-page to the list of pages where crop-thumbnails work
* });
* </code>
*/
protected function shouldCropThumbnailsBeActive() {
global $pagenow;
$result = ($pagenow == 'post.php'
|| $pagenow == 'post-new.php'
|| $pagenow == 'page.php'
|| $pagenow == 'page-new.php'
|| $pagenow == 'upload.php');
$result = apply_filters('crop_thumbnails_activat_on_adminpages',$result);
return $result;
}
/**
* For adding the styles in the backend
*/
public function adminHeaderCSS() {
global $pagenow;
if ($this->shouldCropThumbnailsBeActive()) {
wp_enqueue_style('jcrop');
wp_enqueue_style('crop-thumbnails-options-style', plugins_url('app/css/app.css', __DIR__), ['jcrop'], CROP_THUMBNAILS_VERSION);
}
}
/**
* For adding the "crop-thumbnail"-link on posts, pages and the mediathek
*/
function adminHeaderJS() {
global $pagenow;
if ($this->shouldCropThumbnailsBeActive()) {
wp_enqueue_script( 'jcrop' );
wp_enqueue_script( 'cpt_vue', plugins_url('app/js/chunk-vendors.js', __DIR__), [], CROP_THUMBNAILS_VERSION);
wp_enqueue_script( 'cpt_crop_editor', plugins_url('app/js/app.js', __DIR__), ['jquery','cpt_vue','imagesloaded','jcrop'], CROP_THUMBNAILS_VERSION);
add_action('admin_footer', [$this,'addLinksToAdmin']);
}
}
/**
* Add an field to the attachment edit dialog
* @see http://code.tutsplus.com/tutorials/creating-custom-fields-for-attachments-in-wordpress--net-13076
* @see https://make.wordpress.org/core/2012/12/12/attachment-editing-now-with-full-post-edit-ui/
* @param array $form_fields
* @param object $post
*/
public function add_button_to_attachment_edit_view( $form_fields, $post ) {
if(in_array($post->post_mime_type,$this->allowedMime)) {
$html = '';
$html.= '<a class="button cropThumbnailsLink" href="#" data-cropthumbnail=\'{"image_id":'.$post->ID.',"viewmode":"single"}\' title="'.esc_attr__('Crop Featured Image','crop-thumbnails').'">';
$html.= '<span class="wp-media-buttons-icon"></span> '.esc_html__('Crop Featured Image','crop-thumbnails');
$html.= '</a>';
$form_fields['cropthumbnails'] = [
'label' => ' ',
'input' => 'html',
'html' => $html
];
}
return $form_fields;
}
/**
* Check if on the current admin page (posttype) the crop-button should be visible in the featured image Box.
*/
protected static function showCropButtonOnThisAdminPage() {
$screenData = get_current_screen();
$settings = $GLOBALS['CROP_THUMBNAILS_HELPER']->getOptions();
$showFeaturedImageCropButton = false;
if(empty($settings['hide_post_type'][ $screenData->post_type ])) {
$showFeaturedImageCropButton = true;
}
return $showFeaturedImageCropButton;
}
/**
* adds the links into post-types and the media-library
*/
function addLinksToAdmin() {
?>
<script type="text/javascript">
jQuery(document).ready(function($) {
/**
* Global accessable id of the current post (will be null if no post-element is present)
*/
CROP_THUMBNAILS_CURRENT_POST_ID = null;
/**
* Adds a button to the featured image metabox (Wordpress < 5).
* The button will be visible only if a featured image is set.
*/
function handleFeaturedImageBox() {
/**
* add link to featured image box
*/
var baseElem = $('#postimagediv');
if(!baseElem.length) { return; }//this is not WordPress < 5
var featuredImageLinkButton = '';
featuredImageLinkButton+= '<p class="cropFeaturedImageWrap hidden">';
featuredImageLinkButton+= '<a class="button cropThumbnailsLink" href="#" data-cropthumbnail=\'{"image_id":'+ parseInt(wp.media.featuredImage.get()) +',"viewmode":"single","posttype":"<?php echo get_post_type(); ?>"}\' title="<?php esc_attr_e('Crop Featured Image','crop-thumbnails') ?>">';
featuredImageLinkButton+= '<span class="wp-media-buttons-icon"></span> <?php esc_html_e('Crop Featured Image','crop-thumbnails'); ?>';
featuredImageLinkButton+= '</a>';
featuredImageLinkButton+= '</p>';
baseElem.find('.inside').after( $(featuredImageLinkButton) );
function updateCropFeaturedImageButton(currentId) {
var wrap = baseElem.find('.cropFeaturedImageWrap');
if(currentId===-1) {
wrap.addClass('hidden');
} else {
wrap.removeClass('hidden');
}
var link = wrap.find('a');
var data = link.data('cropthumbnail');
data.image_id = currentId;
link.data('cropthumbnail',data);
}
wp.media.featuredImage.frame().on( 'select', function(){
updateCropFeaturedImageButton( parseInt(wp.media.featuredImage.get()) );
});
baseElem.on('click', '#remove-post-thumbnail', function(){
updateCropFeaturedImageButton(-1);
});
updateCropFeaturedImageButton( parseInt(wp.media.featuredImage.get()) );
}
/**
* Adds a button to the featured image panel (Wordpress >= 5)
*
* I know this way to add the button is quite dirty - will refactoring it when i learned the api-way to do it.
*/
function handleFeaturedImagePanel() {
// @see https://github.com/WordPress/gutenberg/tree/master/packages/editor/src/components/post-featured-image
if(typeof wp.element === 'undefined') { return };//this is not WordPress 5.x
var el = wp.element.createElement;
function wrapPostFeaturedImage( OriginalComponent ) {
return function( props ) {
setTimeout(function() {
var baseElem = $('.edit-post-sidebar');
var cropButton = $('<button class="button cropThumbnailsLink" style="margin-top:1em" data-cropthumbnail=\'{"image_id":'+ parseInt(props.featuredImageId) +',"viewmode":"single","posttype":"<?php echo get_post_type(); ?>"}\' title="<?php esc_attr_e('Crop Featured Image','crop-thumbnails') ?>"><span class="wp-media-buttons-icon"></span> <?php esc_html_e('Crop Featured Image','crop-thumbnails'); ?></button>');
if(typeof props.media !== 'undefined') {
var panel = baseElem.find('.editor-post-featured-image');
panel.find('.cropThumbnailsLink').remove();
if(panel.find('.components-responsive-wrapper').length>0) {
panel.append(cropButton);
}
}
}, 50);
return (
el(
wp.element.Fragment,
{},
el(
OriginalComponent,
props
),
//TODO add in a better way here
)
);
}
}
if(typeof wp.hooks !== 'undefined' && typeof wp.hooks.addFilter !== 'undefined') {
wp.hooks.addFilter(
'editor.PostFeaturedImage',
'crop-thumbnails/wrap-post-featured-image',
wrapPostFeaturedImage
);
}
}
<?php if(self::showCropButtonOnThisAdminPage()) : ?>
/** add link on posts and pages **/
if ($('body.post-php, body.page-php, body.page-new.php, body.post-new-php').length > 0) {
var post_id_hidden = $('form#post #post_ID');
if (post_id_hidden) {
post_id_hidden = parseInt(post_id_hidden.val());
CROP_THUMBNAILS_CURRENT_POST_ID = post_id_hidden;
handleFeaturedImageBox();
handleFeaturedImagePanel();
$('body').on('cropThumbnailModalClosed',function() {
//lets cache-break the crop-thumbnail-preview-box
CROP_THUMBNAILS_DO_CACHE_BREAK($('#postimagediv img'));
});
}
}
<?php endif; ?>
/** add link on mediathek **/
if ($('body.upload-php').length > 0) {
$('#the-list tr').each(function() {
if ($(this).find('td span.media-icon').hasClass('image-icon')) {
var post_id = parseInt($(this).attr('id').substr(5));
var last_span = $(this).find('.column-title .row-actions span:last-child');
last_span.append(' | ');
var buttonContent = '';
buttonContent+= '<a class="cropThumbnailsLink" href="#" data-cropthumbnail=\'{"image_id":'+ post_id +',"viewmode":"single"}\' title="<?php esc_attr_e('Crop Featured Image','crop-thumbnails') ?>">';
buttonContent+= '<span class="wp-media-buttons-icon"></span> <?php esc_html_e('Crop Featured Image','crop-thumbnails'); ?>';
buttonContent+= '</a>';
last_span.parent().append( buttonContent);
}
});
$('body').on('cropThumbnailModalClosed',function() {
//lets cache-break the crop-thumbnail-preview-box
CROP_THUMBNAILS_DO_CACHE_BREAK($('#the-list tr .media-icon img'));
});
}
});
</script>
<?php
}
}
$cpt_postView = new CropPostThumbnailsBackendPreparer();