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acf-image-crop-v5.php
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acf-image-crop-v5.php
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<?php
class acf_field_image_crop extends acf_field_image {
/*
* initialize
*
* This function will setup the field type data
*
* @type function
* @date 5/03/2014
* @since 5.0.0
*
* @param n/a
* @return n/a
*/
function initialize() {
/*
* name (string) Single word, no spaces. Underscores allowed
*/
$this->name = 'image_crop';
/*
* label (string) Multiple words, can include spaces, visible when selecting a field type
*/
$this->label = __('Image with user-crop', 'acf-image_crop');
/*
* category (string) basic | content | choice | relational | jquery | layout | CUSTOM GROUP NAME
*/
$this->category = 'content';
/*
* defaults (array) Array of default settings which are merged into the field object. These are used later in settings
*/
$this->defaults = array(
'force_crop' => 'no',
'crop_type' => 'hard',
'preview_size' => 'medium',
'save_format' => 'id',
'save_in_media_library' => 'yes',
'target_size' => 'thumbnail',
'library' => 'all',
'retina_mode' => 'no',
'delete_original' => 'no'
);
$this->options = get_option( 'acf_image_crop_settings' );
// add ajax action to be able to retrieve full image size via javascript
add_action( 'wp_ajax_acf_image_crop_get_image_size', array( &$this, 'crop_get_image_size' ) );
add_action( 'wp_ajax_acf_image_crop_perform_crop', array( &$this, 'perform_crop' ) );
// add filter to media query function to hide cropped images from media library
add_filter('ajax_query_attachments_args', array($this, 'filterMediaQuery'));
// Register extra fields on the media settings page on admin_init
add_action('admin_init', array($this, 'registerSettings'));
/*
* l10n (array) Array of strings that are used in JavaScript. This allows JS strings to be translated in PHP and loaded via:
* var message = acf._e('image_crop', 'error');
*/
$this->l10n = array(
'width_should_be' => __( 'Width should be at least: ','acf-image_crop' ),
'height_should_be' => __( 'Height should be at least: ','acf-image_crop' ),
'selected_width' => __( 'Selected image width: ','acf-image_crop' ),
'selected_height' => __( 'Selected image height: ','acf-image_crop' ),
'size_warning' => __( 'Warning: The selected image is smaller than the required size!','acf-image_crop' ),
'crop_error' => __( 'Sorry, an error occurred when trying to crop your image:')
);
}
// AJAX handler for retieving full image dimensions from ID
public function crop_get_image_size()
{
$img = wp_get_attachment_image_src( $_POST['image_id'], 'full');
if($img){
echo json_encode( array(
'url' => $img[0],
'width' => $img[1],
'height' => $img[2]
) );
}
exit;
}
/*
* render_field_settings()
*
* Create extra settings for your field. These are visible when editing a field
*
* @type action
* @since 3.6
* @date 23/01/13
*
* @param $field (array) the $field being edited
* @return n/a
*/
function render_field_settings( $field ) {
/*
* acf_render_field_setting
*
* This function will create a setting for your field. Simply pass the $field parameter and an array of field settings.
* The array of settings does not require a `value` or `prefix`; These settings are found from the $field array.
*
* More than one setting can be added by copy/paste the above code.
* Please note that you must also have a matching $defaults value for the field name (font_size)
*/
// crop_type
acf_render_field_setting( $field, array(
'label' => __('Crop type','acf-image_crop'),
'instructions' => __('Select the type of crop the user should perform','acf-image_crop'),
'type' => 'select',
'name' => 'crop_type',
'layout' => 'horizontal',
'class' => 'crop-type-select',
'choices' => array(
'hard' => __('Hard crop', 'acf-image_crop'),
'min' => __('Minimal dimensions', 'acf-image_crop')
)
));
// target_size
$sizes = acf_get_image_sizes();
// added
$instructions = __('Select the target size for this field','acf-image_crop');
if ( $this->getOption('retina_mode') ) {
$instructions .= '<br><br><em><strong>'.__('Retina mode is enabled - user will be required to select an image twice this size','acf-image_crop').'</strong></em>';
}
// added END
$sizes['custom'] = __('Custom size', 'acf-image_crop');
acf_render_field_setting( $field, array(
'label' => __('Target size','acf-image_crop'),
'instructions' => $instructions,
'type' => 'select',
'name' => 'target_size',
'class' => 'target-size-select',
'choices' => $sizes
));
// width - conditional: target_size == 'custom'
acf_render_field_setting( $field, array(
'label' => __('Custom target width','acf-image_crop'),
'instructions' => __('Leave blank for no restriction (does not work with hard crop option)','acf-image_crop'),
'type' => 'number',
'name' => 'width',
'class' => 'custom-target-width custom-target-dimension',
'append' => 'px'
));
// height - conditional: target_size == 'custom'
acf_render_field_setting( $field, array(
'label' => __('Custom target height','acf-image_crop'),
'instructions' => __('Leave blank for no restriction (does not work with hard crop option)','acf-image_crop'),
'type' => 'number',
'name' => 'height',
'class' => 'custom-target-height custom-target-dimension',
'append' => 'px'
));
// preview_size
acf_render_field_setting( $field, array(
'label' => __('Preview Size','acf'),
'instructions' => __('Shown when entering data','acf'),
'type' => 'select',
'name' => 'preview_size',
'choices' => acf_get_image_sizes()
));
// force_crop
acf_render_field_setting( $field, array(
'label' => __('Force crop','acf-image_crop'),
'instructions' => __('Force the user to crop the image as soon at it is selected','acf-image_crop'),
'type' => 'radio',
'layout' => 'horizontal',
'name' => 'force_crop',
'choices' => array('yes' => __('Yes', 'acf'), 'no' => __('No', 'acf'))
));
// save_in_media_library
acf_render_field_setting( $field, array(
'label' => __('Save cropped image to media library','acf-image_crop'),
'instructions' => __('If the cropped image is not saved in the media library, "Image URL" is the only available return value.','acf-image_crop'),
'type' => 'radio',
'layout' => 'horizontal',
'name' => 'save_in_media_library',
'class' => 'save-in-media-library-select',
'choices' => array('yes' => __('Yes', 'acf'), 'no' => __('No', 'acf'))
));
// only show this setting if the global option for retina mode is not activated
// retina mode
if ( !$this->getOption('retina_mode') ) {
acf_render_field_setting( $field, array(
'label' => __('Retina/@2x mode ','acf-image_crop'),
'instructions' => __('Require and crop double the size set for this image. Enable this if you are using plugins like WP Retina 2x.','acf-image_crop'),
'type' => 'radio',
'layout' => 'horizontal',
'name' => 'retina_mode',
'choices' => array('yes' => __('Yes', 'acf'), 'no' => __('No', 'acf'))
));
}
// return_format
acf_render_field_setting( $field, array(
'label' => __('Return Value','acf'),
'instructions' => __('Specify the returned value on front end','acf'),
'type' => 'radio',
'name' => 'save_format',
'layout' => 'horizontal',
'class' => 'return-value-select',
'choices' => array(
'object' => __("Image Array",'acf'),
'url' => __("Image URL",'acf'),
'id' => __("Image ID",'acf')
)
));
// library
acf_render_field_setting( $field, array(
'label' => __('Library','acf'),
'instructions' => __('Limit the media library choice','acf'),
'type' => 'radio',
'name' => 'library',
'layout' => 'horizontal',
'choices' => array(
'all' => __('All', 'acf'),
'uploadedTo' => __('Uploaded to post', 'acf')
)
));
// delete_original
acf_render_field_setting( $field, array(
'label' => __('Delete original','acf-image_crop'),
'instructions' => __('Removes the original image after cropping, if save in media library is enabled','acf-image_crop'),
'type' => 'radio',
'layout' => 'horizontal',
'name' => 'delete_original',
'choices' => array('yes' => __('Yes', 'acf'), 'no' => __('No', 'acf'))
));
}
/*
* render_field()
*
* Create the HTML interface for your field
*
* @param $field (array) the $field being rendered
*
* @type action
* @since 3.6
* @date 23/01/13
*
* @param $field (array) the $field being edited
* @return n/a
*/
function render_field( $field ) {
// enqueue
acf_enqueue_uploader();
// get data from value
//$data = json_decode($field['value']);
$imageData = $this->get_image_data($field);
$url = '';
$orignialImage = null;
if($imageData->original_image){
$originalImage = wp_get_attachment_image_src($imageData->original_image, 'full');
$url = $imageData->preview_image_url;
}
$width = 0;
$height = 0;
if($field['target_size'] == 'custom'){
$width = $field['width'];
$height = $field['height'];
}
else{
global $_wp_additional_image_sizes;
$s = $field['target_size'];
if (isset($_wp_additional_image_sizes[$s])) {
$width = intval($_wp_additional_image_sizes[$s]['width']);
$height = intval($_wp_additional_image_sizes[$s]['height']);
} else {
$width = get_option($s.'_size_w');
$height = get_option($s.'_size_h');
}
}
// Retina mode
if($this->getOption('retina_mode') || $field['retina_mode'] == 'yes'){
$width = $width * 2;
$height = $height * 2;
}
// vars
$div_atts = array(
'class' => 'acf-image-uploader acf-cf acf-image-crop',
'data-field-settings' => json_encode($field),
'data-crop_type' => $field['crop_type'],
'data-target_size' => $field['target_size'],
'data-width' => $width,
'data-height' => $height,
'data-force_crop' => $field['force_crop'] == 'yes' ? 'true' : 'false',
'data-delete_original' => $field['delete_original'],
'data-save_to_media_library' => $field['save_in_media_library'],
'data-save_format' => $field['save_format'],
'data-preview_size' => $field['preview_size'],
'data-library' => $field['library']
);
$input_atts = array(
'type' => 'hidden',
'name' => $field['name'],
'value' => htmlspecialchars($field['value']),
'data-name' => 'id',
'data-original-image' => $imageData->original_image,
'data-cropped-image' => json_encode($imageData->cropped_image),
'class' => 'acf-image-value'
);
// has value?
if($imageData->original_image){
$url = $imageData->preview_image_url;
$div_atts['class'] .= ' has-value';
}
?>
<div <?php acf_esc_attr_e( $div_atts ); ?>>
<div class="acf-hidden">
<input <?php acf_esc_attr_e( $input_atts ); ?>/>
</div>
<div class="view show-if-value acf-soh">
<ul class="acf-hl acf-soh-target">
<li><a class="acf-icon -pencil dark" data-name="edit" href="#"><i class="acf-sprite-edit"></i></a></li>
<li><a class="acf-icon -cancel dark" data-name="remove" href="#"><i class="acf-sprite-delete"></i></a></li>
</ul>
<img data-name="image" src="<?php echo $url; ?>" alt=""/>
<div class="crop-section">
<div class="crop-stage">
<div class="crop-action">
<h4><?php _e('Crop the image','acf-image_crop'); ?></h4>
<?php if ($imageData->original_image ): ?>
<img class="crop-image" src="<?php echo $imageData->original_image_url ?>" data-width="<?php echo $imageData->original_image_width ?>" data-height="<?php echo $imageData->original_image_height ?>" alt="">
<?php endif ?>
</div>
<div class="crop-preview">
<h4><?php _e('Preview','acf-image_crop'); ?></h4>
<div class="preview"></div>
<div class="crop-controls">
<a href="#" class="button button-large cancel-crop-button"><?php _e('Cancel','acf-image_crop'); ?></a> <a href="#" class="button button-large button-primary perform-crop-button"><?php _e('Crop!','acf-image_crop'); ?></a>
</div>
</div>
</div>
<a href="#" class="button button-large init-crop-button"><?php _e('Crop','acf-image_crop'); ?></a>
</div>
</div>
<div class="view hide-if-value">
<p><?php _e('No image selected','acf'); ?> <a data-name="add" class="acf-button button" href="#"><?php _e('Add Image','acf'); ?></a></p>
</div>
</div>
<?php
}
/***
* Parses the field value into a consistent data object
****/
function get_image_data($field){
$imageData = new stdClass();
$imageData->original_image = '';
$imageData->original_image_width = '';
$imageData->original_image_height = '';
$imageData->cropped_image = '';
$imageData->original_image_url = '';
$imageData->preview_image_url = '';
$imageData->image_url = '';
if($field['value'] == ''){
// Field has not yet been saved or is an empty image field
return $imageData;
}
$data = json_decode($field['value']);
if(! is_object($data)){
// Field was saved as a regular image field
$imageAtts = wp_get_attachment_image_src($field['value'], 'full');
$imageData->original_image = $field['value'];
$imageData->original_image_width = $imageAtts[1];
$imageData->original_image_height = $imageAtts[2];
$imageData->preview_image_url = $this->get_image_src($field['value'], $field['preview_size']);
$imageData->image_url = $this->get_image_src($field['value'], 'full');
$imageData->original_image_url = $imageData->image_url;
return $imageData;
}
if( !is_numeric($data->original_image) )
{
// The field has been saved, but has no image
return $imageData;
}
// By now, we have at least a saved original image
$imageAtts = wp_get_attachment_image_src($data->original_image, 'full');
$imageData->original_image = $data->original_image;
$imageData->original_image_width = $imageAtts[1];
$imageData->original_image_height = $imageAtts[2];
$imageData->original_image_url = $this->get_image_src($data->original_image, 'full');
// Set defaults to original image
$imageData->image_url = $this->get_image_src($data->original_image, 'full');
$imageData->preview_image_url = $this->get_image_src($data->original_image, $field['preview_size']);
// Check if there is a cropped version and set appropriate attributes
if(is_numeric($data->cropped_image)){
// Cropped image was saved to media library ans has an ID
$imageData->cropped_image = $data->cropped_image;
$imageData->image_url = $this->get_image_src($data->cropped_image, 'full');
$imageData->preview_image_url = $this->get_image_src($data->cropped_image, $field['preview_size']);
}
elseif(is_object($data->cropped_image)){
// Cropped image was not saved to media library and is only stored by its URL
$imageData->cropped_image = $data->cropped_image;
// Generate appropriate URLs
$mediaDir = wp_upload_dir();
$imageData->image_url = $mediaDir['baseurl'] . '/' . $data->cropped_image->image;
$imageData->preview_image_url = $mediaDir['baseurl'] . '/' . $data->cropped_image->preview;
}
return $imageData;
}
/*
* input_admin_enqueue_scripts()
*
* This action is called in the admin_enqueue_scripts action on the edit screen where your field is created.
* Use this action to add CSS + JavaScript to assist your render_field() action.
*
* @type action (admin_enqueue_scripts)
* @since 3.6
* @date 23/01/13
*
* @param n/a
* @return n/a
*/
function input_admin_enqueue_scripts() {
$dir = plugin_dir_url( __FILE__ );
// // register & include JS
// wp_register_script( 'acf-input-image_crop', "{$dir}js/input.js" );
// wp_enqueue_script('acf-input-image_crop');
// // register & include CSS
// wp_register_style( 'acf-input-image_crop', "{$dir}css/input.css" );
// wp_enqueue_style('acf-input-image_crop');
// register acf scripts
//wp_register_script('acf-input-image', "{$dir}../advanced-custom-fields-pro/js/input/image.js");
wp_register_script('acf-input-image_crop', "{$dir}js/input.js", array('acf-input', 'imgareaselect'));
wp_register_style('acf-input-image_crop', "{$dir}css/input.css", array('acf-input'));
// scripts
wp_enqueue_script(array(
'acf-input-image_crop'
));
//wp_localize_script( 'acf-input-image_crop', 'ajax', array('nonce' => wp_create_nonce('acf_nonce')) );
// styles
wp_enqueue_style(array(
'acf-input-image_crop',
'imgareaselect'
));
}
function perform_crop(){
$targetWidth = $_POST['target_width'];
$targetHeight = $_POST['target_height'];
$saveToMediaLibrary = isset($_POST['save_to_media_library']) && $_POST['save_to_media_library'] == 'yes';
$imageData = $this->generate_cropped_image($_POST['id'], $_POST['x1'], $_POST['x2'], $_POST['y1'], $_POST['y2'], $targetWidth, $targetHeight, $saveToMediaLibrary, $_POST['preview_size']);
// $previewUrl = wp_get_attachment_image_src( $id, $_POST['preview_size']);
// $fullUrl = wp_get_attachment_image_src( $id, 'full');
echo json_encode($imageData);
die();
}
function generate_cropped_image($id, $x1, $x2, $y1, $y2, $targetW, $targetH, $saveToMediaLibrary, $previewSize){//$id, $x1, $x2, $y$, $y2, $targetW, $targetH){
require_once ABSPATH . "/wp-admin/includes/file.php";
require_once ABSPATH . "/wp-admin/includes/image.php";
// Delete original after cropping?
$deleteOriginal = isset($_POST['delete_original']) && $_POST['delete_original'] == 'yes';
// Create the variable that will hold the new image data
$imageData = array();
// Fetch media library info
$mediaDir = wp_upload_dir();
// Get original image info
$originalImageData = wp_get_attachment_metadata($id);
// Get image editor from original image path to crop the image
$image = wp_get_image_editor( $mediaDir['basedir'] . '/' . $originalImageData['file'] );
// Set quality
$image->set_quality( apply_filters('acf-image-crop/image-quality', 100) );
if(! is_wp_error( $image ) ){
// Crop the image using the provided measurements
$image->crop($x1, $y1, $x2 - $x1, $y2 - $y1, $targetW, $targetH);
// Retrieve original filename and seperate it from its file extension
$originalFileName = explode('.', basename($originalImageData['file']));
// Retrieve and remove file extension from array
$originalFileExtension = array_pop($originalFileName);
// Generate new base filename
$targetFileName = implode('.', $originalFileName) . '_' . $targetW . 'x' . $targetH . apply_filters('acf-image-crop/filename_postfix', '_acf_cropped') . '.' . $originalFileExtension;
// Generate target path new file using existing media library
$targetFilePath = $mediaDir['path'] . '/' . wp_unique_filename( $mediaDir['path'], $targetFileName);
// Get the relative path to save as the actual image url
$targetRelativePath = str_replace($mediaDir['basedir'] . '/', '', $targetFilePath);
// Save the image to the target path
if(is_wp_error($image->save($targetFilePath))){
// There was an error saving the image
//TODO handle it
}
// If file should be saved to media library, create an attachment for it at get the new attachment ID
if($saveToMediaLibrary){
// Generate attachment from created file
// Get the filetype
$wp_filetype = wp_check_filetype(basename($targetFilePath), null );
$attachment = array(
'guid' => $mediaDir['url'] . '/' . basename($targetFilePath),
'post_mime_type' => $wp_filetype['type'],
'post_title' => preg_replace('/\.[^.]+$/', '', basename($targetFilePath)),
'post_content' => '',
'post_status' => 'inherit'
);
$attachmentId = wp_insert_attachment( $attachment, $targetFilePath);
$attachmentData = wp_generate_attachment_metadata( $attachmentId, $targetFilePath );
wp_update_attachment_metadata( $attachmentId, $attachmentData );
add_post_meta($attachmentId, 'acf_is_cropped', 'true', true);
// Add the id to the imageData-array
$imageData['value'] = $attachmentId;
// Add the image url
$imageUrlObject = wp_get_attachment_image_src( $attachmentId, 'full');
$imageData['url'] = $imageUrlObject[0];
// Add the preview url as well
$previewUrlObject = wp_get_attachment_image_src( $attachmentId, $previewSize);
$imageData['preview_url'] = $previewUrlObject[0];
if ( $deleteOriginal ) {
wp_delete_attachment($id, true);
}
}
// Else we need to return the actual path of the cropped image
else{
// Add the image url to the imageData-array
$imageData['value'] = array('image' => $targetRelativePath);
$imageData['url'] = $mediaDir['baseurl'] . '/' . $targetRelativePath;
// Get preview size dimensions
global $_wp_additional_image_sizes;
$previewWidth = 0;
$previewHeight = 0;
$crop = 0;
if (isset($_wp_additional_image_sizes[$previewSize])) {
$previewWidth = intval($_wp_additional_image_sizes[$previewSize]['width']);
$previewHeight = intval($_wp_additional_image_sizes[$previewSize]['height']);
$crop = $_wp_additional_image_sizes[$previewSize]['crop'];
} else {
$previewWidth = get_option($previewSize.'_size_w');
$previewHeight = get_option($previewSize.'_size_h');
$crop = get_option($previewSize.'_crop');
}
// Generate preview file path
$previewFilePath = $mediaDir['path'] . '/' . wp_unique_filename( $mediaDir['path'], 'preview_' . $targetFileName);
$previewRelativePath = str_replace($mediaDir['basedir'] . '/', '', $previewFilePath);
// Get image editor from cropped image
$croppedImage = wp_get_image_editor( $targetFilePath );
$croppedImage->resize($previewWidth, $previewHeight, $crop);
// Save the preview
$croppedImage->save($previewFilePath);
// Add the preview url
$imageData['preview_url'] = $mediaDir['baseurl'] . '/' . $previewRelativePath;
$imageData['value']['preview'] = $previewRelativePath;
}
$imageData['success'] = true;
return $imageData;
}
else{
// Handle WP_ERROR
$response = array();
$response['success'] = false;
$response['error_message'] = '';
foreach($image->error_data as $code => $message){
$response['error_message'] .= '<p><strong>' . $code . '</strong>: ' . $message . '</p>';
}
return $response;
}
}
function get_image_src($id, $size = 'thumbnail'){
$atts = wp_get_attachment_image_src( $id, $size);
return $atts[0];
}
function getAbsoluteImageUrl($relativeUrl){
$mediaDir = wp_upload_dir();
return $mediaDir['baseurl'] . '/' . $relativeUrl;
}
function getImagePath($relativePath){
$mediaDir = wp_upload_dir();
return $mediaDir['basedir'] . '/' . $relativePath;
}
function filterMediaQuery($args){
// get options
$options = get_option( 'acf_image_crop_settings' );
$hide = ( isset($options['hide_cropped']) && $options['hide_cropped'] );
// If hide option is enabled, do not select items with the acf_is_cropped meta-field
if($hide){
$args['meta_query']= array(
array(
'key' => 'acf_is_cropped',
'compare' => 'NOT EXISTS'
)
);
}
return $args;
}
function registerSettings(){
add_settings_section(
'acf_image_crop_settings',
__('ACF Image Crop Settings','acf-image_crop'),
array($this, 'displayImageCropSettingsSection'),
'media'
);
register_setting(
'media', // settings page
'acf_image_crop_settings', // option name
// added
// a callback to a new function to set options to false and not to an empty string
// there was an error if you set an option, save and then unset this option and save again
// because the option value could be empty if non of the options is activated
array($this, 'validateImageCropSettingsSection')
// added END
);
add_settings_field(
'acf_image_crop_hide_cropped', // id
__('Hide cropped images from media dialog', 'acf-image_crop'), // setting title
array($this, 'displayHideFromMediaInput'), // display callback
'media', // settings page
'acf_image_crop_settings' // settings section
);
add_settings_field(
'acf_image_crop_retina_mode', // id
__('Enable global retina mode (beta)', 'acf-image_crop'), // setting title
array($this, 'displayRetinaModeInput'), // display callback
'media', // settings page
'acf_image_crop_settings' // settings section
);
}
function displayHideFromMediaInput(){
// Get plugin options
$options = get_option( 'acf_image_crop_settings' );
$value = $options['hide_cropped'];
// echo the field
?>
<input name='acf_image_crop_settings[hide_cropped]'
type='checkbox' <?php echo $value ? 'checked' : '' ?> value='true' />
<?php
}
function displayRetinaModeInput(){
// Get plugin options
$options = get_option( 'acf_image_crop_settings' );
$value = $options['retina_mode'];
// echo the field
?>
<input id="acf-image-crop-retina-mode" name='acf_image_crop_settings[retina_mode]'
type='checkbox' <?php echo $value ? 'checked' : '' ?> value='true' />
<?php
}
function displayImageCropSettingsSection(){
echo '';
}
// added
// a function that sets theoptions value to false
function validateImageCropSettingsSection($input) {
$input['hide_cropped'] = ( isset( $input['hide_cropped'] ) && $input['hide_cropped'] == true ? true : false );
$input['retina_mode'] = ( isset( $input['retina_mode'] ) && $input['retina_mode'] == true ? true : false );
return $input;
}
// added END
/*
* input_admin_head()
*
* This action is called in the admin_head action on the edit screen where your field is created.
* Use this action to add CSS and JavaScript to assist your render_field() action.
*
* @type action (admin_head)
* @since 3.6
* @date 23/01/13
*
* @param n/a
* @return n/a
*/
/*
function input_admin_head() {
}
*/
/*
* input_form_data()
*
* This function is called once on the 'input' page between the head and footer
* There are 2 situations where ACF did not load during the 'acf/input_admin_enqueue_scripts' and
* 'acf/input_admin_head' actions because ACF did not know it was going to be used. These situations are
* seen on comments / user edit forms on the front end. This function will always be called, and includes
* $args that related to the current screen such as $args['post_id']
*
* @type function
* @date 6/03/2014
* @since 5.0.0
*
* @param $args (array)
* @return n/a
*/
/*
function input_form_data( $args ) {
}
*/
/*
* input_admin_footer()
*
* This action is called in the admin_footer action on the edit screen where your field is created.
* Use this action to add CSS and JavaScript to assist your render_field() action.
*
* @type action (admin_footer)
* @since 3.6
* @date 23/01/13
*
* @param n/a
* @return n/a
*/
/*
function input_admin_footer() {
}
*/
/*
* field_group_admin_enqueue_scripts()
*
* This action is called in the admin_enqueue_scripts action on the edit screen where your field is edited.
* Use this action to add CSS + JavaScript to assist your render_field_options() action.
*
* @type action (admin_enqueue_scripts)
* @since 3.6
* @date 23/01/13
*
* @param n/a
* @return n/a
*/
function field_group_admin_enqueue_scripts() {
$dir = plugin_dir_url( __FILE__ );
wp_register_script('acf-input-image-crop-options', "{$dir}js/options.js", array('jquery'));
wp_enqueue_script( 'acf-input-image-crop-options');
wp_register_style('acf-input-image-crop-options', "{$dir}css/options.css");
wp_enqueue_style( 'acf-input-image-crop-options');
}
/*
* field_group_admin_head()
*
* This action is called in the admin_head action on the edit screen where your field is edited.
* Use this action to add CSS and JavaScript to assist your render_field_options() action.
*
* @type action (admin_head)
* @since 3.6
* @date 23/01/13
*
* @param n/a
* @return n/a
*/
/*
function field_group_admin_head() {
}
*/
/*
* load_value()
*
* This filter is applied to the $value after it is loaded from the db
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $value (mixed) the value found in the database
* @param $post_id (mixed) the $post_id from which the value was loaded
* @param $field (array) the field array holding all the field options
* @return $value
*/
/*
function load_value( $value, $post_id, $field ) {
return $value;
}
*/
/*
* update_value()
* Implement this function to avoid parent function taking over and trying to validate json data
*/
function update_value( $value, $post_id, $field ) {
return $value;
}
/*
* format_value()
*
* This filter is appied to the $value after it is loaded from the db and before it is returned to the template
*
* @type filter
* @since 3.6
* @date 23/01/13
*
* @param $value (mixed) the value which was loaded from the database
* @param $post_id (mixed) the $post_id from which the value was loaded
* @param $field (array) the field array holding all the field options
*
* @return $value (mixed) the modified value
*/
function format_value( $value, $post_id, $field ) {
// validate
if( !$value ){
return false;
}
$data = json_decode($value);
if(is_object($data)){
$value = $data->cropped_image;
}
else{
// We are migrating from a standard image field
$data = new stdClass();
$data->cropped_image = $value;
$data->original_image = $value;
}
// format
if( $field['save_format'] == 'url' )
{
if(is_numeric($data->cropped_image)){
$value = wp_get_attachment_url( $data->cropped_image );
}
elseif(is_array($data->cropped_image)){
$value = $this->getAbsoluteImageUrl($data->cropped_image['image']);
}
elseif(is_object($data->cropped_image)){
$value = $this->getAbsoluteImageUrl($data->cropped_image->image);
}
}
elseif( $field['save_format'] == 'object' )
{
if(is_numeric($data->cropped_image )){
$value = $this->getImageArray($data->cropped_image);
$value['original_image'] = $this->getImageArray($data->original_image);
// $attachment = get_post( $data->cropped_image );
// // validate
// if( !$attachment )
// {
// return false;
// }
// // create array to hold value data
// $src = wp_get_attachment_image_src( $attachment->ID, 'full' );
// $value = array(