mirror of
https://github.com/10h30/display-featured-image-genesis.git
synced 2026-06-05 15:08:20 +09:00
Robin Cornett
280 lines
8.0 KiB
PHP
280 lines
8.0 KiB
PHP
<?php
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/**
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* @package DisplayFeaturedImageGenesis
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* @author Robin Cornett <hello@robincornett.com>
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* @license GPL-2.0+
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* @link http://robincornett.com
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* @copyright 2014-2015 Robin Cornett Creative, LLC
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*/
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class Display_Featured_Image_Genesis_Helper {
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protected $setting;
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protected $page = 'displayfeaturedimagegenesis';
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/**
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* Generic function to add settings sections
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*
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* @since 2.4.0
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*/
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protected function add_sections( $sections ) {
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foreach ( $sections as $section ) {
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add_settings_section(
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$section['id'],
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$section['title'],
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array( $this, $section['id'] . '_section_description' ),
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$this->page
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);
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}
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}
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/**
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* Generic function to add settings fields
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* @param array $sections registered sections
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* @return array all settings fields
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*
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* @since 2.4.0
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*/
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protected function add_fields( $fields, $sections ) {
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foreach ( $fields as $field ) {
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add_settings_field(
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'[' . $field['id'] . ']',
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sprintf( '<label for="%s[%s]">%s</label>', $this->page, $field['id'], $field['title'] ),
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array( $this, $field['callback'] ),
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$this->page,
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$sections[ $field['section'] ]['id'],
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empty( $field['args'] ) ? array() : $field['args']
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);
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}
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}
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/**
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* Echoes out the section description.
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* @param string $description text string for description
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* @return string as paragraph and escaped
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*
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* @since 2.3.0
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*/
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protected function print_section_description( $description ) {
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echo wp_kses_post( wpautop( $description ) );
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}
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/**
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* Generic callback to create a number field setting.
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*
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* @since 2.3.0
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*/
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public function do_number( $args ) {
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printf( '<label for="%s[%s]">%s</label>', esc_attr( $this->page ),esc_attr( $args['setting'] ), esc_attr( $args['label'] ) );
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printf( '<input type="number" step="1" min="%1$s" max="%2$s" id="%5$s[%3$s]" name="%5$s[%3$s]" value="%4$s" class="small-text" />',
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(int) $args['min'],
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(int) $args['max'],
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esc_attr( $args['setting'] ),
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esc_attr( $this->setting[ $args['setting'] ] ),
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esc_attr( $this->page )
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);
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$this->do_description( $args['setting'] );
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}
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/**
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* generic checkbox function (for all checkbox settings)
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* @return 0 1 checkbox
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*
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* @since 2.3.0
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*/
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public function do_checkbox( $args ) {
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echo '<p>';
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$setting = $this->get_checkbox_setting( $args );
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printf( '<input type="hidden" name="%s[%s]" value="0" />', esc_attr( $this->page ), esc_attr( $args['setting'] ) );
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printf( '<label for="%4$s[%1$s]"><input type="checkbox" name="%4$s[%1$s]" id="%4$s[%1$s]" value="1" %2$s class="code" />%3$s</label>',
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esc_attr( $args['setting'] ),
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checked( 1, esc_attr( $setting ), false ),
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esc_attr( $args['label'] ),
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esc_attr( $this->page )
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);
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echo '</p>';
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$this->do_description( $args['setting'] );
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}
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/**
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* Get the current value for the checkbox.
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* @param $args
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*
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* @return int
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*/
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protected function get_checkbox_setting( $args ) {
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$setting = isset( $this->setting[ $args['setting'] ] ) ? $this->setting[ $args['setting'] ] : 0;
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if ( isset( $args['setting_name'] ) ) {
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if ( isset( $this->setting[ $args['setting_name'] ][ $args['name'] ] ) ) {
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$setting = $this->setting[ $args['setting_name'] ][ $args['name'] ];
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}
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}
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return $setting;
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}
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/**
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* Generic callback to display a field description.
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* @param string $args setting name used to identify description callback
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* @return string Description to explain a field.
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*
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* @since 2.3.0
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*/
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protected function do_description( $args ) {
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$function = $args . '_description';
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if ( ! method_exists( $this, $function ) ) {
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return;
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}
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$description = $this->$function();
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printf( '<p class="description">%s</p>', wp_kses_post( $description ) );
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}
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/**
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* display image preview
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* @param variable $id featured image ID
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* @return $image image preview
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*
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* @since 2.3.0
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*/
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public function render_image_preview( $id ) {
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if ( empty( $id ) ) {
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return;
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}
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$id = displayfeaturedimagegenesis_check_image_id( $id );
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$preview = wp_get_attachment_image_src( (int) $id, 'medium' );
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$image = sprintf( '<div class="upload_logo_preview"><img src="%s" /></div>', $preview[0] );
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return $image;
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}
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/**
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* show image select/delete buttons
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* @param variable $id image ID
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* @param varable $name name for value/ID/class
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* @return $buttons select/delete image buttons
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*
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* @since 2.3.0
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*/
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public function render_buttons( $id, $name ) {
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$id = displayfeaturedimagegenesis_check_image_id( $id );
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$id = $id ? (int) $id : '';
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printf( '<input type="hidden" class="upload_image_id" id="%1$s" name="%1$s" value="%2$s" />', esc_attr( $name ), esc_attr( $id ) );
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printf( '<input id="%s" type="button" class="upload_default_image button-secondary" value="%s" />',
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esc_attr( $name ),
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esc_attr__( 'Select Image', 'display-featured-image-genesis' )
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);
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if ( ! empty( $id ) ) {
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printf( ' <input type="button" class="delete_image button-secondary" value="%s" />',
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esc_attr__( 'Delete Image', 'display-featured-image-genesis' )
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);
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}
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}
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/**
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* Determines if the user has permission to save the information from the submenu
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* page.
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*
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* @since 2.3.0
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* @access protected
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*
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* @param string $action The name of the action specified on the submenu page
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* @param string $nonce The nonce specified on the submenu page
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*
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* @return bool True if the user has permission to save; false, otherwise.
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* @author Tom McFarlin (https://tommcfarlin.com/save-wordpress-submenu-page-options/)
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*/
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protected function user_can_save( $action, $nonce ) {
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$is_nonce_set = isset( $_POST[ $nonce ] );
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$is_valid_nonce = false;
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if ( $is_nonce_set ) {
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$is_valid_nonce = wp_verify_nonce( $_POST[ $nonce ], $action );
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}
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return ( $is_nonce_set && $is_valid_nonce );
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}
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/**
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* Returns previous value for image if not correct file type/size
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* @param string $new_value New value
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* @return string New or previous value, depending on allowed image size.
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* @since 1.2.2
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*/
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protected function validate_image( $new_value, $old_value, $label, $size_to_check ) {
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// ok for field to be empty
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if ( ! $new_value ) {
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return '';
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}
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$new_value = displayfeaturedimagegenesis_check_image_id( $new_value );
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$old_value = displayfeaturedimagegenesis_check_image_id( $old_value );
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$source = wp_get_attachment_image_src( $new_value, 'full' );
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$valid = $this->is_valid_img_ext( $source[0] );
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$width = $source[1];
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$reset = sprintf( __( ' The %s Featured Image has been reset to the last valid setting.', 'display-featured-image-genesis' ), $label );
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if ( $valid && $width > $size_to_check ) {
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return (int) $new_value;
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}
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$new_value = $old_value;
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if ( ! $valid ) {
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$message = __( 'Sorry, that is an invalid file type.', 'display-featured-image-genesis' );
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$class = 'invalid';
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} elseif ( $width <= $size_to_check ) {
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$message = __( 'Sorry, your image is too small.', 'display-featured-image-genesis' );
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$class = 'weetiny';
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}
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add_settings_error(
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$old_value,
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esc_attr( $class ),
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esc_attr( $message . $reset ),
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'error'
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);
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return (int) $new_value;
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}
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/**
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* returns file extension
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* @since 1.2.2
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*/
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protected function get_file_ext( $file ) {
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$parsed = @parse_url( $file, PHP_URL_PATH );
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return $parsed ? strtolower( pathinfo( $parsed, PATHINFO_EXTENSION ) ) : false;
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}
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/**
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* check if file type is image
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* @return file check file extension against list
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* @since 1.2.2
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*/
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protected function is_valid_img_ext( $file ) {
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$file_ext = $this->get_file_ext( $file );
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$is_valid_types = (array) apply_filters( 'displayfeaturedimage_valid_img_types', array( 'jpg', 'jpeg', 'png', 'gif' ) );
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return ( $file_ext && in_array( $file_ext, $is_valid_types, true ) );
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}
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/**
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* Returns a 1 or 0, for all truthy / falsy values.
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*
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* Uses double casting. First, we cast to bool, then to integer.
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*
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* @since 1.3.0
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*
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* @param mixed $new_value Should ideally be a 1 or 0 integer passed in
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* @return integer 1 or 0.
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*/
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protected function one_zero( $new_value ) {
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return (int) (bool) $new_value;
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}
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}
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