143 lines
3.3 KiB
PHP
143 lines
3.3 KiB
PHP
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<?php
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if ( ! defined( 'ABSPATH' ) ) exit;
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/**
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* Return array with all fields in metabox
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*/
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function dkpdf_get_custom_fields_settings() {
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$fields = array();
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$fields['_hide_pdfbutton'] = array(
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'name' => __( 'Disable DK PDF Button:' , 'dkpdf' ),
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'description' => '',
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'type' => 'checkbox',
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'default' => '',
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'section' => ''
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);
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return $fields;
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}
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/**
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* Add metabox to post types
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*/
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function dkpdf_meta_box_setup () {
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// get post types selected in settings
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$pdfbutton_post_types = sanitize_option( 'dkpdf_pdfbutton_post_types', get_option( 'dkpdf_pdfbutton_post_types' ) );
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if( $pdfbutton_post_types ) {
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// add metabox to selected post types
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foreach ( $pdfbutton_post_types as $post_type ) {
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add_meta_box( 'post-data', __( 'DK PDF', 'dkpdf' ), 'dkpdf_meta_box_content', $post_type, 'normal', 'high' );
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}
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}
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}
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add_action( 'add_meta_boxes', 'dkpdf_meta_box_setup' );
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/**
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* Add content to metabox
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*/
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function dkpdf_meta_box_content () {
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global $post_id;
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$fields = get_post_custom( $post_id );
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$field_data = dkpdf_get_custom_fields_settings();
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$html = '';
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$html .= '<input type="hidden" name="' . 'dkpdf' . '_nonce" id="' . 'dkpdf' . '_nonce" value="' . wp_create_nonce( plugin_basename( __FILE__ ) ) . '" />';
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if ( 0 < count( $field_data ) ) {
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$html .= '<table class="form-table">' . "\n";
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$html .= '<tbody>' . "\n";
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foreach ( $field_data as $k => $v ) {
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$data = $v['default'];
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if ( isset( $fields[$k] ) && isset( $fields[$k][0] ) ) {
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$data = $fields[$k][0];
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}
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if( $v['type'] == 'checkbox' ) {
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$html .= '<tr valign="top"><th scope="row">' . $v['name'] . '</th><td><input name="' . esc_attr( $k ) . '" type="checkbox" id="' . esc_attr( $k ) . '" ' . checked( 'on' , $data , false ) . ' /> <label for="' . esc_attr( $k ) . '"><span class="description">' . $v['description'] . '</span></label>' . "\n";
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$html .= '</td></tr>' . "\n";
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} else {
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$html .= '<tr valign="top"><th scope="row"><label for="' . esc_attr( $k ) . '">' . $v['name'] . '</label></th><td><input name="' . esc_attr( $k ) . '" type="text" id="' . esc_attr( $k ) . '" class="regular-text" value="' . esc_attr( $data ) . '" />' . "\n";
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$html .= '<p class="description">' . $v['description'] . '</p>' . "\n";
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$html .= '</td></tr>' . "\n";
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}
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}
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$html .= '</tbody>' . "\n";
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$html .= '</table>' . "\n";
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}
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echo $html;
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}
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/**
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* Save metabox data
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*/
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function dkpdf_meta_box_save ( $post_id ) {
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global $post, $messages;
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if ( isset( $_POST[ 'dkpdf' . '_nonce'] ) ) {
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// Verify nonce
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if ( ! wp_verify_nonce( $_POST[ 'dkpdf' . '_nonce'], plugin_basename( __FILE__ ) ) ) {
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return $post_id;
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}
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} else {
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return $post_id;
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}
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// Verify user permissions
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if ( ! current_user_can( 'edit_post', $post_id ) ) {
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return $post_id;
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}
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// Handle custom fields
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$field_data = dkpdf_get_custom_fields_settings();
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$fields = array_keys( $field_data );
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foreach ( $fields as $f ) {
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${$f} = '';
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if( isset( $_POST[$f] ) ) {
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${$f} = strip_tags( trim( $_POST[$f] ) );
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}
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// Escape the URLs.
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if ( 'url' == $field_data[$f]['type'] ) {
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${$f} = esc_url( ${$f} );
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}
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if ( ${$f} == '' ) {
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delete_post_meta( $post_id , $f , get_post_meta( $post_id , $f , true ) );
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} else {
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update_post_meta( $post_id , $f , ${$f} );
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}
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}
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}
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add_action( 'save_post', 'dkpdf_meta_box_save' );
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