320 lines
10 KiB
PHP
320 lines
10 KiB
PHP
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<?php
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if ( ! defined( 'ABSPATH' ) ) exit;
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class DKPDF_Admin_API {
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/**
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* Constructor function
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*/
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public function __construct () {
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add_action( 'save_post', array( $this, 'save_meta_boxes' ), 10, 1 );
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}
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/**
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* Generate HTML for displaying fields
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* @param array $field Field data
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* @param boolean $echo Whether to echo the field HTML or return it
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* @return void
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*/
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public function display_field ( $data = array(), $post = false, $echo = true ) {
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// Get field info
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if ( isset( $data['field'] ) ) {
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$field = $data['field'];
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} else {
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$field = $data;
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}
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// Check for prefix on option name
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$option_name = '';
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if ( isset( $data['prefix'] ) ) {
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$option_name = $data['prefix'];
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}
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// Get saved data
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$data = '';
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if ( $post ) {
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// Get saved field data
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$option_name .= $field['id'];
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$option = get_post_meta( $post->ID, $field['id'], true );
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// Get data to display in field
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if ( isset( $option ) ) {
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$data = $option;
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}
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} else {
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// Get saved option
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$option_name .= $field['id'];
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$option = get_option( $option_name );
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// Get data to display in field
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if ( isset( $option ) ) {
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$data = $option;
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}
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}
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// Show default data if no option saved and default is supplied
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if ( $data === false && isset( $field['default'] ) ) {
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$data = $field['default'];
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} elseif ( $data === false ) {
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$data = '';
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}
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$html = '';
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switch( $field['type'] ) {
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case 'text':
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case 'url':
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case 'email':
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$html .= '<input id="' . esc_attr( $field['id'] ) . '" type="text" name="' . esc_attr( $option_name ) . '" placeholder="' . esc_attr( $field['placeholder'] ) . '" value="' . esc_attr( $data ) . '" />' . "\n";
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break;
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case 'password':
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case 'number':
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case 'hidden':
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$min = '';
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if ( isset( $field['min'] ) ) {
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$min = ' min="' . esc_attr( $field['min'] ) . '"';
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}
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$max = '';
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if ( isset( $field['max'] ) ) {
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$max = ' max="' . esc_attr( $field['max'] ) . '"';
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}
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$html .= '<input id="' . esc_attr( $field['id'] ) . '" type="' . esc_attr( $field['type'] ) . '" name="' . esc_attr( $option_name ) . '" placeholder="' . esc_attr( $field['placeholder'] ) . '" value="' . esc_attr( $data ) . '"' . $min . '' . $max . '/>' . "\n";
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break;
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case 'text_secret':
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$html .= '<input id="' . esc_attr( $field['id'] ) . '" type="text" name="' . esc_attr( $option_name ) . '" placeholder="' . esc_attr( $field['placeholder'] ) . '" value="" />' . "\n";
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break;
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case 'textarea_code':
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$html .= '<div id="' . 'editor' . '">'. $data .'</div>'. "\n";
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$html .= '<textarea id="' . esc_attr( $option_name ) . '" rows="5" cols="50" name="' . esc_attr( $option_name ) . '" placeholder="' . esc_attr( $field['placeholder'] ) . '">' . $data . '</textarea>'. "\n";
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break;
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case 'textarea':
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$html .= '<textarea id="' . esc_attr( $field['id'] ) . '" rows="5" cols="50" name="' . esc_attr( $option_name ) . '" placeholder="' . esc_attr( $field['placeholder'] ) . '">' . $data . '</textarea><br/>'. "\n";
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break;
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case 'checkbox':
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$checked = '';
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if ( $data && 'on' == $data ) {
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$checked = 'checked="checked"';
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}
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$html .= '<input id="' . esc_attr( $field['id'] ) . '" type="' . esc_attr( $field['type'] ) . '" name="' . esc_attr( $option_name ) . '" ' . $checked . '/>' . "\n";
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break;
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case 'checkbox_multi':
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foreach ( $field['options'] as $k => $v ) {
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$checked = false;
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if ( $data == false ) { $data = array(); }
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if ( in_array( $k, $data ) ) {
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$checked = true;
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}
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$html .= '<label for="' . esc_attr( $field['id'] . '_' . $k ) . '" class="checkbox_multi"><input type="checkbox" ' . checked( $checked, true, false ) . ' name="' . esc_attr( $option_name ) . '[]" value="' . esc_attr( $k ) . '" id="' . esc_attr( $field['id'] . '_' . $k ) . '" /> ' . $v . '</label> ';
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}
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break;
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case 'radio':
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foreach ( $field['options'] as $k => $v ) {
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$checked = false;
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if ( $k == $data ) {
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$checked = true;
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}
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$html .= '<label for="' . esc_attr( $field['id'] . '_' . $k ) . '"><input type="radio" ' . checked( $checked, true, false ) . ' name="' . esc_attr( $option_name ) . '" value="' . esc_attr( $k ) . '" id="' . esc_attr( $field['id'] . '_' . $k ) . '" /> ' . $v . '</label> ';
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}
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break;
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case 'select':
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$html .= '<select name="' . esc_attr( $option_name ) . '" id="' . esc_attr( $field['id'] ) . '">';
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foreach ( $field['options'] as $k => $v ) {
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$selected = false;
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if ( $k == $data ) {
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$selected = true;
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}
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$html .= '<option ' . selected( $selected, true, false ) . ' value="' . esc_attr( $k ) . '">' . $v . '</option>';
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}
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$html .= '</select> ';
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break;
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case 'select_multi':
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$html .= '<select name="' . esc_attr( $option_name ) . '[]" id="' . esc_attr( $field['id'] ) . '" multiple="multiple">';
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foreach ( $field['options'] as $k => $v ) {
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$selected = false;
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if ( in_array( $k, $data ) ) {
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$selected = true;
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}
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$html .= '<option ' . selected( $selected, true, false ) . ' value="' . esc_attr( $k ) . '">' . $v . '</option>';
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}
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$html .= '</select> ';
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break;
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case 'image':
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$image_thumb = '';
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if ( $data ) {
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$image_thumb = wp_get_attachment_thumb_url( $data );
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}
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$html .= '<img id="' . $option_name . '_preview" class="image_preview" src="' . $image_thumb . '" /><br/>' . "\n";
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$html .= '<input id="' . $option_name . '_button" type="button" data-uploader_title="' . __( 'Upload an image' , 'wordpress-plugin-template' ) . '" data-uploader_button_text="' . __( 'Use image' , 'wordpress-plugin-template' ) . '" class="image_upload_button button" value="'. __( 'Upload new image' , 'wordpress-plugin-template' ) . '" />' . "\n";
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$html .= '<input id="' . $option_name . '_delete" type="button" class="image_delete_button button" value="'. __( 'Remove image' , 'wordpress-plugin-template' ) . '" />' . "\n";
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$html .= '<input id="' . $option_name . '" class="image_data_field" type="hidden" name="' . $option_name . '" value="' . $data . '"/><br/>' . "\n";
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break;
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case 'color':
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?><div class="color-picker" style="position:relative;">
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<input type="text" name="<?php esc_attr_e( $option_name ); ?>" class="color" value="<?php esc_attr_e( $data ); ?>" />
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<div style="position:absolute;background:#FFF;z-index:99;border-radius:100%;" class="colorpicker"></div>
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</div>
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<?php
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break;
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}
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switch( $field['type'] ) {
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case 'checkbox_multi':
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case 'radio':
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case 'select_multi':
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$html .= '<br/><span class="description">' . $field['description'] . '</span>';
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break;
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default:
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if ( ! $post ) {
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$html .= '<label for="' . esc_attr( $field['id'] ) . '">' . "\n";
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}
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$html .= '<span class="description">' . $field['description'] . '</span>' . "\n";
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if ( ! $post ) {
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$html .= '</label>' . "\n";
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}
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break;
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}
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if ( ! $echo ) {
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return $html;
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}
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echo $html;
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}
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/**
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* Validate form field
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* @param string $data Submitted value
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* @param string $type Type of field to validate
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* @return string Validated value
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*/
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public function validate_field ( $data = '', $type = 'text' ) {
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switch( $type ) {
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case 'text': $data = esc_attr( $data ); break;
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case 'url': $data = esc_url( $data ); break;
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case 'email': $data = is_email( $data ); break;
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}
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return $data;
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}
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/**
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* Add meta box to the dashboard
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* @param string $id Unique ID for metabox
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* @param string $title Display title of metabox
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* @param array $post_types Post types to which this metabox applies
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* @param string $context Context in which to display this metabox ('advanced' or 'side')
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* @param string $priority Priority of this metabox ('default', 'low' or 'high')
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* @param array $callback_args Any axtra arguments that will be passed to the display function for this metabox
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* @return void
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*/
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public function add_meta_box ( $id = '', $title = '', $post_types = array(), $context = 'advanced', $priority = 'default', $callback_args = null ) {
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// Get post type(s)
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if ( ! is_array( $post_types ) ) {
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$post_types = array( $post_types );
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}
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// Generate each metabox
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foreach ( $post_types as $post_type ) {
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add_meta_box( $id, $title, array( $this, 'meta_box_content' ), $post_type, $context, $priority, $callback_args );
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}
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}
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/**
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* Display metabox content
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* @param object $post Post object
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* @param array $args Arguments unique to this metabox
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* @return void
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*/
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public function meta_box_content ( $post, $args ) {
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$fields = apply_filters( $post->post_type . '_custom_fields', array(), $post->post_type );
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if ( ! is_array( $fields ) || 0 == count( $fields ) ) return;
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echo '<div class="custom-field-panel">' . "\n";
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foreach ( $fields as $field ) {
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if ( ! isset( $field['metabox'] ) ) continue;
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if ( ! is_array( $field['metabox'] ) ) {
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$field['metabox'] = array( $field['metabox'] );
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}
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if ( in_array( $args['id'], $field['metabox'] ) ) {
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$this->display_meta_box_field( $field, $post );
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}
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}
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echo '</div>' . "\n";
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}
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/**
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* Dispay field in metabox
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* @param array $field Field data
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* @param object $post Post object
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* @return void
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*/
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public function display_meta_box_field ( $field = array(), $post ) {
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if ( ! is_array( $field ) || 0 == count( $field ) ) return;
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$field = '<p class="form-field"><label for="' . $field['id'] . '">' . $field['label'] . '</label>' . $this->display_field( $field, $post, false ) . '</p>' . "\n";
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echo $field;
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}
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/**
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* Save metabox fields
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* @param integer $post_id Post ID
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* @return void
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*/
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public function save_meta_boxes ( $post_id = 0 ) {
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if ( ! $post_id ) return;
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$post_type = get_post_type( $post_id );
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$fields = apply_filters( $post_type . '_custom_fields', array(), $post_type );
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if ( ! is_array( $fields ) || 0 == count( $fields ) ) return;
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foreach ( $fields as $field ) {
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if ( isset( $_REQUEST[ $field['id'] ] ) ) {
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update_post_meta( $post_id, $field['id'], $this->validate_field( $_REQUEST[ $field['id'] ], $field['type'] ) );
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} else {
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update_post_meta( $post_id, $field['id'], '' );
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}
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}
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}
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}
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