name = 'image'; $this->label = __("Image",'acf'); $this->category = 'content'; $this->defaults = array( 'return_format' => 'array', 'preview_size' => 'medium', 'library' => 'all', 'min_width' => 0, 'min_height' => 0, 'min_size' => 0, 'max_width' => 0, 'max_height' => 0, 'max_size' => 0, 'mime_types' => '' ); // filters add_filter('get_media_item_args', array($this, 'get_media_item_args')); } /* * input_admin_enqueue_scripts * * description * * @type function * @date 16/12/2015 * @since 5.3.2 * * @param $post_id (int) * @return $post_id (int) */ function input_admin_enqueue_scripts() { // localize acf_localize_text(array( 'Select Image' => __('Select Image', 'acf'), 'Edit Image' => __('Edit Image', 'acf'), 'Update Image' => __('Update Image', 'acf'), 'All images' => __('All images', 'acf'), )); } /** * Renders the field HTML. * * @date 23/01/13 * @since 3.6.0 * * @param array $field The field settings. * @return void */ function render_field( $field ) { $uploader = acf_get_setting('uploader'); // Enqueue uploader scripts if( $uploader === 'wp' ) { acf_enqueue_uploader(); } // Elements and attributes. $value = ''; $div_attrs = array( 'class' => 'acf-image-uploader', 'data-preview_size' => $field['preview_size'], 'data-library' => $field['library'], 'data-mime_types' => $field['mime_types'], 'data-uploader' => $uploader ); $img_attrs = array( 'src' => '', 'alt' => '', 'data-name' => 'image' ); // Detect value. if( $field['value'] && is_numeric($field['value']) ) { $image = wp_get_attachment_image_src( $field['value'], $field['preview_size'] ); if( $image ) { $value = $field['value']; $img_attrs['src'] = $image[0]; $img_attrs['alt'] = get_post_meta( $field['value'], '_wp_attachment_image_alt', true ); $div_attrs['class'] .= ' has-value'; } } // Add "preview size" max width and height style. // Apply max-width to wrap, and max-height to img for max compatibility with field widths. $size = acf_get_image_size( $field['preview_size'] ); $size_w = $size['width'] ? $size['width'] . 'px' : '100%'; $size_h = $size['height'] ? $size['height'] . 'px' : '100%'; $img_attrs['style'] = sprintf( 'max-height: %s;', $size_h ); // Render HTML. ?>
> $field['name'], 'value' => $value )); ?>
/>

__('Return Format','acf'), 'instructions' => '', 'type' => 'radio', 'name' => 'return_format', 'layout' => 'horizontal', 'choices' => array( 'array' => __("Image Array",'acf'), 'url' => __("Image URL",'acf'), 'id' => __("Image ID",'acf') ) )); // preview_size acf_render_field_setting( $field, array( 'label' => __('Preview Size','acf'), 'instructions' => '', 'type' => 'select', 'name' => 'preview_size', 'choices' => acf_get_image_sizes() )); // 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') ) )); // min acf_render_field_setting( $field, array( 'label' => __('Minimum','acf'), 'instructions' => __('Restrict which images can be uploaded','acf'), 'type' => 'text', 'name' => 'min_width', 'prepend' => __('Width', 'acf'), 'append' => 'px', )); acf_render_field_setting( $field, array( 'label' => '', 'type' => 'text', 'name' => 'min_height', 'prepend' => __('Height', 'acf'), 'append' => 'px', '_append' => 'min_width' )); acf_render_field_setting( $field, array( 'label' => '', 'type' => 'text', 'name' => 'min_size', 'prepend' => __('File size', 'acf'), 'append' => 'MB', '_append' => 'min_width' )); // max acf_render_field_setting( $field, array( 'label' => __('Maximum','acf'), 'instructions' => __('Restrict which images can be uploaded','acf'), 'type' => 'text', 'name' => 'max_width', 'prepend' => __('Width', 'acf'), 'append' => 'px', )); acf_render_field_setting( $field, array( 'label' => '', 'type' => 'text', 'name' => 'max_height', 'prepend' => __('Height', 'acf'), 'append' => 'px', '_append' => 'max_width' )); acf_render_field_setting( $field, array( 'label' => '', 'type' => 'text', 'name' => 'max_size', 'prepend' => __('File size', 'acf'), 'append' => 'MB', '_append' => 'max_width' )); // allowed type acf_render_field_setting( $field, array( 'label' => __('Allowed file types','acf'), 'instructions' => __('Comma separated list. Leave blank for all types','acf'), 'type' => 'text', 'name' => 'mime_types', )); } /* * 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, $field ) { // bail early if no value if( empty($value) ) return false; // bail early if not numeric (error message) if( !is_numeric($value) ) return false; // convert to int $value = intval($value); // format if( $field['return_format'] == 'url' ) { return wp_get_attachment_url( $value ); } elseif( $field['return_format'] == 'array' ) { return acf_get_attachment( $value ); } // return return $value; } /* * get_media_item_args * * description * * @type function * @date 27/01/13 * @since 3.6.0 * * @param $vars (array) * @return $vars */ function get_media_item_args( $vars ) { $vars['send'] = true; return($vars); } /* * update_value() * * This filter is appied to the $value before it is updated in the db * * @type filter * @since 3.6 * @date 23/01/13 * * @param $value - the value which will be saved in the database * @param $post_id - the $post_id of which the value will be saved * @param $field - the field array holding all the field options * * @return $value - the modified value */ function update_value( $value, $post_id, $field ) { return acf_get_field_type('file')->update_value( $value, $post_id, $field ); } /* * validate_value * * This function will validate a basic file input * * @type function * @date 11/02/2014 * @since 5.0.0 * * @param $post_id (int) * @return $post_id (int) */ function validate_value( $valid, $value, $field, $input ){ return acf_get_field_type('file')->validate_value( $valid, $value, $field, $input ); } } // initialize acf_register_field_type( 'acf_field_image' ); endif; // class_exists check ?>