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<?php
namespace EnableMediaReplace;
use EnableMediaReplace\ShortPixelLogger\ShortPixelLogger as Log;
use EnableMediaReplace\Notices\NoticeController as Notices;
/* Collection of functions helping the interface being cleaner. */
class UIHelper
{
protected $preview_size = '';
protected $preview_width = 0;
protected $preview_height = 0;
protected $preview_max_width = 600;
protected $preview_max_height = 600;
protected $full_width = 0;
protected $full_height = 0;
private static $instance;
const NOTICE_NEW_FEATURE = 'EMR001';
public function __construct()
{
}
public static function getInstance()
{
if (is_null(self::$instance))
{
self::$instance = new UiHelper();
}
return self::$instance;
}
// @todo Add nonce URL to this url as well, in popup / prepare-remove-background
public function getFormUrl($attach_id, $action = null)
{
$action = (! is_null($action)) ? $action : 'media_replace_upload';
$url = admin_url('upload.php');
$url = add_query_arg(array(
'page' => 'enable-media-replace/enable-media-replace.php',
// 'noheader' => true,
'action' => $action,
'attachment_id' => $attach_id,
), $url);
if (isset($_REQUEST['SHORTPIXEL_DEBUG']))
{
$spdebug = $_REQUEST['SHORTPIXEL_DEBUG'];
if (is_numeric($spdebug))
$spdebug = intval($spdebug);
else {
$spdebug = 3;
}
$url = add_query_arg('SHORTPIXEL_DEBUG', $spdebug, $url);
}
return $url;
}
public function getSuccesRedirect($attach_id)
{
$url = admin_url('post.php');
$url = add_query_arg(array('action' => 'edit', 'post' => $attach_id, 'emr_replaced' => '1'), $url);
if (isset($_REQUEST['SHORTPIXEL_DEBUG']))
{
$spdebug = $_REQUEST['SHORTPIXEL_DEBUG'];
if (is_numeric($spdebug))
$spdebug = intval($spdebug);
else {
$spdebug = 3;
}
$url = add_query_arg('SHORTPIXEL_DEBUG', $spdebug, $url);
}
$url = apply_filters('emr_returnurl', $url);
return $url;
}
public function getBackgroundRemoveRedirect($attach_id)
{
//if ( isset( $_POST['remove_after_progress'] ) ) {
$url = admin_url("upload.php");
$url = add_query_arg(array(
'page' => 'enable-media-replace/enable-media-replace.php',
'action' => 'emr_prepare_remove',
'attachment_id' => $attach_id,
), $url);
// $redirect_success = $url;
return $url;
// }
}
public function getFailedRedirect($attach_id)
{
$url = admin_url('upload.php');
$url = add_query_arg(array(
'page' => 'enable-media-replace/enable-media-replace.php',
'action' => 'media_replace',
'attachment_id' => $attach_id,
'_wpnonce' => wp_create_nonce('media_replace'),
), $url
);
$url = apply_filters('emr_returnurl_failed', $url);
return $url;
}
public function setPreviewSizes()
{
list($this->preview_size, $this->preview_width, $this->preview_height) = $this->findImageSizeByMax($this->preview_max_width);
}
public function setSourceSizes($attach_id)
{
$data = $this->getImageSizes($attach_id, 'full'); // wp_get_attachment_image_src($attach_id, 'full');
// $file = get_attached_file($attach_id);
if (is_array($data))
{
$this->full_width = $data[1];
$this->full_height = $data[2];
}
}
protected function getImageSizes($attach_id, $size = 'thumbnail')
{
// We are not using this function, because depending on the theme, it can mess with the dimensions - https://wordpress.stackexchange.com/questions/167525/why-is-wp-get-attachment-image-src-returning-wrong-dimensions
// $data = wp_get_attachment_image_src($attach_id, $size);
$meta = wp_get_attachment_metadata($attach_id);
$data = false;
if (isset($meta['sizes']))
{
foreach($meta['sizes'] as $sizeName => $metaData)
{
if ($sizeName == $size)
{
$width = isset($metaData['width']) ? $metaData['width'] : 0;
$height = isset($metaData['height']) ? $metaData['height'] : 0;
$imgData = image_downsize($attach_id, $size); // return whole array w/ possible wrong dimensions.
$data = array($imgData[0], $width, $height);
}
}
}
if ($data === false)
{
$data = wp_get_attachment_image_src($attach_id, $size);
$width = isset($data[1]) ? $data[1] : 0;
}
$file = get_attached_file($attach_id, true);
if (! file_exists($file))
return $data;
$mime_type = wp_get_image_mime($file);
if (strpos($mime_type, 'svg') !== false && $width <= 5)
{
$file = get_attached_file($attach_id);
$data = $this->fixSVGSize($data, $file);
}
return $data;
}
protected function fixSVGSize($data, $file)
{
if (! function_exists('simplexml_load_file'))
return $data;
$xml = simplexml_load_file($file);
//Log::addDebug('XML LOAD FILE', $xml);
if ($xml)
{ // stolen from SVG Upload plugin
$attr = $xml->attributes();
$viewbox = explode(' ', $attr->viewBox);
$data[1] = isset($attr->width) && preg_match('/\d+/', $attr->width, $value) ? (int) $value[0] : (count($viewbox) == 4 ? (int) $viewbox[2] : null);
$data[2] = isset($attr->height) && preg_match('/\d+/', $attr->height, $value) ? (int) $value[0] : (count($viewbox) == 4 ? (int) $viewbox[3] : null);
}
return $data;
}
// Returns Preview Image HTML Output.
public function getPreviewImage($attach_id,$file, $args = array())
{
$data = false;
if ($attach_id > 0)
{
$data = $this->getImageSizes($attach_id, $this->preview_size); //wp_get_attachment_image_src($attach_id, $this->preview_size);
}
$mime_type = get_post_mime_type($attach_id);
if (! is_array($data) || (! $file->exists() && ! $file->is_virtual()) )
{
// if attachid higher than zero ( exists ) but not the image, fail, that's an error state.
$icon = ($attach_id < 0) ? '' : 'dashicons-no';
$is_document = false;
$defaults = array(
'width' => $this->preview_width,
'height' => $this->preview_height,
'is_image' => false,
'is_document' => $is_document,
'is_upload' => false,
'icon' => $icon,
'mime_type' => null,
);
$args = wp_parse_args($args, $defaults);
// failed, it might be this server doens't support PDF thumbnails. Fallback to File preview.
if ($mime_type == 'application/pdf')
{
return $this->getPreviewFile($attach_id, $file);
}
return $this->getPlaceHolder($args);
}
$url = $data[0];
$width = $data[1];
$height = $data[2];
// width
$width_ratio = $height_ratio = 0;
if ($width > $this->preview_max_width)
{
$width_ratio = $width / $this->preview_max_width;
}
if ($height > $this->preview_max_height) // height
{
$height_ratio = $height / $this->preview_max_height;
}
$ratio = ($width_ratio > $height_ratio) ? $width_ratio : $height_ratio;
if ($ratio > 0)
{
$width = floor($width / $ratio);
$height = floor($height / $ratio);
}
// SVG's without any helpers return around 0 for width / height. Fix preview.
// preview width, if source if found, should be set to source.
$this->preview_width = $width;
$this->preview_height = $height;
$image = "<img src='$url' width='$width' height='$height' class='image' style='max-width:100%; max-height: 100%;' />";
// $image = "<span class='the-image' style='background: url(\"" . $url . "\")';> </span>";
$defaults = array(
'width' => $width,
'height' => $height,
'image' => $image,
'mime_type' => $mime_type,
'is_upload' => false,
'file_size' => $file->getFileSize(),
);
$args = wp_parse_args($args, $defaults);
$output = $this->getPlaceHolder($args);
return $output;
}
public function getPreviewError($attach_id)
{
$args = array(
'width' => $this->preview_width,
'height' => $this->preview_height,
'icon' => 'dashicons-no',
'is_image' => false,
);
$output = $this->getPlaceHolder($args);
return $output;
}
public function getPreviewFile($attach_id, $file, $args = array())
{
if ($attach_id > 0)
{
//$filepath = get_attached_file($attach_id);
$filename = $file->getFileName();
}
else {
$filename = false;
}
$mime_type = $file->getMime();
if (false === $mime_type) // If server is not supporting this, go w/ the post mime type one.
{
$mime_type = get_post_mime_type($attach_id);
}
$defaults = array(
'width' => 300,
'height' => 300,
'is_image' => false,
'is_document' => true,
'is_upload' => false,
'layer' => $filename,
'mime_type' => $mime_type,
'file_size' => $file->getFileSize(),
);
$args = wp_parse_args($args, $defaults);
$output = $this->getPlaceHolder($args);
return $output;
}
public function findImageSizeByMax($maxwidth)
{
$image_sizes = $this->wp_get_image_sizes();
$match_width = 0;
$match_height = 0;
$match = '';
foreach($image_sizes as $sizeName => $sizeItem)
{
$width = $sizeItem['width'];
if ($width > $match_width && $width <= $maxwidth)
{
$match = $sizeName;
$match_width = $width;
$match_height = $sizeItem['height'];
}
}
return array($match, $match_width, $match_height);
}
public function getPlaceHolder($args)
{
$defaults = array(
'width' => 150,
'height' => 150,
'image' => '',
'icon' => 'dashicons-media-document',
'layer' => $this->full_width . ' x ' . $this->full_height,
'is_image' => true,
'is_document' => false,
'is_upload' => false, // indicating right-side upload interface for image.
'mime_type' => false,
'file_size' => false,
'remove_bg_ui' => false, // In process icons et al when removing background, for preview pane.
);
$args = wp_parse_args($args, $defaults);
$w = $args['width'];
$h = $args['height'];
if ($w < 150) // minimum
$w = 150;
if ($h < 150)
$h = 150;
$icon = $args['icon'];
if ($args['is_image'])
{
$placeholder_class = 'is_image';
}
else {
$placeholder_class = 'not_image';
}
if ($args['is_document'])
{
$placeholder_class .= ' is_document';
}
if (true == $args['is_upload'])
{
$placeholder_class .= ' upload-file-action';
}
$filetype = '';
if ($args['mime_type'])
{
$filetype = 'data-filetype="' . $args['mime_type'] . '"';
}
$filesize = ($args['file_size']) ? $args['file_size'] : '';
$is_backgroundremove_ui = (isset($args['remove_bg_ui']) && $args['remove_bg_ui'] == true);
$background_remove_ui = ($is_backgroundremove_ui) ? $this->getBgremoveUI() : '';
$output = "<div class='image_placeholder $placeholder_class' $filetype style='width:" . $w . "px; height:". $h ."px'> ";
if (true === $args['is_upload'])
{
$output .= "<span class='upload-title'>" . __('New', 'enable-media-replace') . "</span>";
$output .= '<input type="file" name="userfile" id="upload-file" />';
$output .= '<div class="drag-and-drop-title">
<span>' . __('Click here to upload or drop file in area', 'enable-media-replace') . '</span>
</div>';
}
else
{
$title = (true === $is_backgroundremove_ui ) ? __('Preview', 'enable-media-replace') : __('Current', 'enable-media-replace');
$output .= "<span class='upload-title'>" . $title . "</span>";
$output .= $args['image'];
}
$output .= "<div class='dashicons $icon'> </div>";
$output .= "<span class='textlayer'>" . $args['layer'] . "</span>";
$output .= $background_remove_ui;
$output .= "<div class='image_size'>" . $this->convertFileSize($filesize). "</div>";
$output .= "</div>";
return $output;
}
public function isBackgroundRemovable($post)
{
if (false === wp_attachment_is_image($post))
return false;
if (false === emr()->useFeature('background'))
return false;
$extensions = array('jpg', 'png','jpeg');
$mime = get_post_mime_type($post);
foreach($extensions as $extension)
{
if (strpos($mime, $extension) !== false )
return true;
}
return false;
}
private function getBgremoveUI()
{
$output = '<div class="overlay" id="overlay">
<div class="lds-spinner"><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div><div></div></div>';
$output .= '<h3>' . esc_html__('Removing background...', 'enable-media-replace') . '</h3>';
$output .= '</div>';
return $output;
}
private function convertFileSize($filesize)
{
return size_format($filesize);
}
/**
* Get size information for all currently-registered image sizes.
* Directly stolen from - https://codex.wordpress.org/Function_Reference/get_intermediate_image_sizes
* @global $_wp_additional_image_sizes
* @uses get_intermediate_image_sizes()
* @return array $sizes Data for all currently-registered image sizes.
*/
private function wp_get_image_sizes() {
global $_wp_additional_image_sizes;
$sizes = array();
foreach ( get_intermediate_image_sizes() as $_size ) {
if ( in_array( $_size, array('thumbnail', 'medium', 'medium_large', 'large') ) ) {
$sizes[ $_size ]['width'] = get_option( "{$_size}_size_w" );
$sizes[ $_size ]['height'] = get_option( "{$_size}_size_h" );
} elseif ( isset( $_wp_additional_image_sizes[ $_size ] ) ) {
$sizes[ $_size ] = array(
'width' => $_wp_additional_image_sizes[ $_size ]['width'],
'height' => $_wp_additional_image_sizes[ $_size ]['height'],
);
}
}
return $sizes;
}
/** For Location Dir replacement. Get the Subdir that is in use now. */
public function getRelPathNow()
{
$uploadDir = wp_upload_dir();
if (isset($uploadDir['subdir']))
return ltrim($uploadDir['subdir'], '/');
else
return false;
}
public function featureNotice()
{
// @todo Remove in 2023.
$message = sprintf(__('%s New Beta Feature! %s %s Enable Media Replace now gives you the ability to remove the background of any image. Try it out in the Media Library: hover over an image and click on Remove Background. Or just click on Remove background from the image editing window! %s ', 'enable-media-replace' ), '<h3>', '</h3>',
'<p>', '</p>');
$notice = Notices::addNormal($message, true);
Notices::makePersistent($notice, self::NOTICE_NEW_FEATURE, 2 * YEAR_IN_SECONDS);
}
} // class