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class.mdc-metabox.php
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<?php
/**
* Adds custom meta box and meta fields
* @author Nazmul Ahsan <n.mukto@gmail.com>
*/
if( ! class_exists( 'MDC_Meta_Box' ) ) :
class MDC_Meta_Box {
/**
* @var string|array $post_type post types to add meta box to.
*/
public $post_type;
/**
* @var string $context side|normal|advanced location of the meta box.
*/
public $context;
/**
* @var string $priority high|low position of the meta box.
*/
public $priority;
/**
* @var array $fields meta fields to be added.
*/
public $fields;
/**
* @var string $meta_box_id meta box id.
*/
public $meta_box_id;
/**
* @var string $label meta box label.
*/
public $label;
function __construct( $args ){
$this->meta_box_id = $args['meta_box_id'];
$this->label = $args['label'];
$this->post_type = $args['post_type'];
$this->context = $args['context'];
$this->priority = $args['priority'];
$this->fields = $args['fields'];
self::hooks();
}
function enqueue_scripts() {
wp_enqueue_style( 'wp-color-picker' );
wp_enqueue_media();
wp_enqueue_script( 'wp-color-picker' );
wp_enqueue_script( 'jquery' );
}
public function hooks(){
add_action( 'add_meta_boxes' , array( $this, 'add_meta_box' ) );
add_action( 'save_post', array( $this, 'save_meta_fields' ), 1, 2 );
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
add_action( 'admin_head', array( $this, 'scripts' ) );
}
public function add_meta_box() {
add_meta_box( $this->meta_box_id, $this->label, array( $this, 'meta_fields_callback' ), $this->post_type, $this->context, $this->priority );
}
public function meta_fields_callback() {
global $post;
echo '<input type="hidden" name="mdc_cmb_nonce" id="mdc_cmb_nonce" value="' .
wp_create_nonce( plugin_basename( __FILE__ ) ) . '" />';
foreach ( $this->fields as $field ) {
if ( $field['type'] == 'text' || $field['type'] == 'number' || $field['type'] == 'email' || $field['type'] == 'url' || $field['type'] == 'password' ) {
echo $this->field_text( $field );
}
elseif( $field['type'] == 'textarea' ){
echo $this->field_textarea( $field );
}
elseif( $field['type'] == 'radio' ){
echo $this->field_radio( $field );
}
elseif( $field['type'] == 'select' ){
echo $this->field_select( $field );
}
elseif( $field['type'] == 'checkbox' ){
echo $this->field_checkbox( $field );
}
elseif( $field['type'] == 'color' ){
echo $this->field_color( $field );
}
elseif( $field['type'] == 'file' ){
echo $this->field_file( $field );
}
elseif( $field['type'] == 'wysiwyg' ){
echo $this->field_wysiwyg( $field );
}
}
}
public function save_meta_fields( $post_id, $post ) {
if ( ! wp_verify_nonce( $_POST['mdc_cmb_nonce'], plugin_basename( __FILE__ ) ) ) {
return $post->ID;
}
if ( ! current_user_can( 'edit_post', $post->ID ) )
return $post->ID;
foreach ( $this->fields as $field ){
$key = $field['name'];
$meta_values[$key] = $_POST[$key];
}
foreach ( $meta_values as $key => $value ) {
if( $post->post_type == 'revision' ) return;
$value = implode( ',', (array) $value );
if( get_post_meta( $post->ID, $key, FALSE )) {
update_post_meta( $post->ID, $key, $value );
} else {
add_post_meta( $post->ID, $key, $value );
}
if( ! $value ) delete_post_meta( $post->ID, $key );
}
}
public function field_text( $field ){
global $post;
$value = get_post_meta( $post->ID, $field['name'], true ) != '' ? esc_attr (get_post_meta( $post->ID, $field['name'], true ) ) : $field['default'];
$class = isset( $field['class'] ) && ! is_null( $field['class'] ) ? $field['class'] : 'regular-text';
$readonly = isset( $field['readonly'] ) && ( $field['readonly'] == true ) ? " readonly" : "";
$disabled = isset( $field['disabled'] ) && ( $field['disabled'] == true ) ? " disabled" : "";
$html = sprintf( '<label class="mdc-label" for="mdc_cmb_%1$s">%2$s</label><br />', $field['name'], $field['label']);
$html .= sprintf( '<input type="%1$s" class="%2$s" id="mdc_cmb_%3$s" name="%3$s[%4$s]" value="%5$s" %6$s %7$s/>', $field['type'], $class, $field['name'], $field['name'], $value, $readonly, $disabled );
$html .= $this->field_description( $field );
return $html;
}
public function field_textarea( $field ){
global $post;
$value = get_post_meta( $post->ID, $field['name'], true ) != '' ? esc_attr (get_post_meta( $post->ID, $field['name'], true ) ) : $field['default'];
$class = isset( $field['class'] ) && ! is_null( $field['class'] ) ? $field['class'] : 'regular-text';
$cols = isset( $field['columns'] ) ? $field['columns'] : 24;
$rows = isset( $field['rows'] ) ? $field['rows'] : 5;
$readonly = isset( $field['readonly'] ) && ( $field['readonly'] == true ) ? " readonly" : "";
$disabled = isset( $field['disabled'] ) && ( $field['disabled'] == true ) ? " disabled" : "";
$html = sprintf( '<label class="mdc-label" for="mdc_cmb_%1$s">%2$s</label><br />', $field['name'], $field['label']);
$html .= sprintf( '<textarea rows="' . $rows . '" cols="' . $cols . '" class="%1$s-text" id="mdc_cmb_%2$s" name="%3$s" %4$s %5$s >%6$s</textarea>', $class, $field['name'], $field['name'], $readonly, $disabled, $value );
$html .= $this->field_description( $field );
return $html;
}
public function field_radio( $field ){
global $post;
$value = get_post_meta( $post->ID, $field['name'], true ) != '' ? esc_attr (get_post_meta( $post->ID, $field['name'], true ) ) : $field['default'];
$class = isset( $field['class'] ) && ! is_null( $field['class'] ) ? $field['class'] : 'regular-text';
$disabled = isset( $field['disabled'] ) && ( $field['disabled'] == true ) ? " disabled" : "";
$html = '<fieldset>';
$html .= '<label class="mdc-label">'.$field['label'].'</label><br />';
foreach ( $field['options'] as $key => $label ) {
$html .= sprintf( '<label for="%1$s[%2$s]">', $field['name'], $key );
$html .= sprintf( '<input type="radio" class="radio %1$s" id="%2$s[%3$s]" name="%2$s" value="%3$s" %4$s %5$s />', $class, $field['name'], $key, checked( $value, $key, false ), $disabled );
$html .= sprintf( '%1$s</label><br />', $label );
}
$html .= $this->field_description( $field );
$html .= '</fieldset>';
return $html;
}
public function field_checkbox( $field ){
global $post;
$value = get_post_meta( $post->ID, $field['name'], true ) != '' ? esc_attr (get_post_meta( $post->ID, $field['name'], true ) ) : $field['default'];
$class = isset( $field['class'] ) && ! is_null( $field['class'] ) ? $field['class'] : 'regular-text';
$disabled = isset( $field['disabled'] ) && ( $field['disabled'] == true ) ? " disabled" : "";
$html = sprintf( '<label class="mdc-label" for="mdc_cmb_%1$s">%2$s</label><br />', $field['name'], $field['label']);
$html .= sprintf( '<input type="checkbox" class="checkbox" id="mdc_cmb_%1$s" name="%1$s" value="on" %2$s %3$s />', $field['name'], checked( $value, 'on', false ), $disabled );
$html .= $this->field_description( $field, true ) . '<br />';
return $html;
}
public function field_select( $field ){
global $post;
$value = get_post_meta( $post->ID, $field['name'], true ) != '' ? esc_attr ( get_post_meta( $post->ID, $field['name'], true ) ) : $field['default'];
$class = isset( $field['class'] ) && ! is_null( $field['class'] ) ? $field['class'] : 'regular-text';
$disabled = isset( $field['disabled'] ) && ( $field['disabled'] == true ) ? " disabled" : "";
$html = sprintf( '<label class="mdc-label" for="mdc_cmb_%1$s">%2$s</label><br />', $field['name'], $field['label']);
$html .= sprintf( '<select class="%1$s" name="%2$s" id="mdc_cmb_%2$s" %3$s>', $class, $field['name'], $disabled );
foreach ( $field['options'] as $key => $label ) {
$html .= sprintf( '<option value="%s"%s>%s</option>', $key, selected( $value, $key, false ), $label );
}
$html .= sprintf( '</select>' );
$html .= $this->field_description( $field );
return $html;
}
public function field_color( $field ){
global $post;
$value = get_post_meta( $post->ID, $field['name'], true ) != '' ? esc_attr (get_post_meta( $post->ID, $field['name'], true ) ) : $field['default'];
$class = isset( $field['class'] ) && ! is_null( $field['class'] ) ? $field['class'] : 'regular-text';
$html = sprintf( '<label class="mdc-label" for="mdc_cmb_%1$s">%2$s</label><br />', $field['name'], $field['label']);
$html .= sprintf( '<input type="text" class="%1$s-text wp-color-picker-field" id="mdc_cmb_%2$s" name="%2$s" value="%4$s" data-default-color="%5$s" />', $class, $field['name'], $field['name'], $value, $field['default'] );
$html .= $this->field_description( $field );
return $html;
}
public function field_file( $field ){
global $post;
$value = get_post_meta( $post->ID, $field['name'], true ) != '' ? esc_attr (get_post_meta( $post->ID, $field['name'], true ) ) : $field['default'];
$class = isset( $field['class'] ) && ! is_null( $field['class'] ) ? $field['class'] : 'regular-text';
$disabled = isset( $field['disabled'] ) && ( $field['disabled'] == true ) ? " disabled" : "";
$id = $field['name'] . '[' . $field['name'] . ']';
$button_text = isset( $field['button_text'] ) ? $field['button_text'] : __( 'Choose File' );
$html = sprintf( '<label class="mdc-label" for="mdc_cmb_%1$s">%2$s</label><br />', $field['name'], $field['label']);
$html .= sprintf( '<input type="text" class="%1$s-text mdc-url" id="mdc_cmb_%2$s" name="%2$s" value="%3$s" %4$s />', $class, $field['name'], $value, $disabled );
$html .= '<input type="button" class="button mdc-browse" value="' . $button_text . '" ' . $disabled . ' />';
$html .= $this->field_description( $field );
return $html;
}
public function field_wysiwyg( $field ){
global $post;
$value = get_post_meta( $post->ID, $field['name'], true ) != '' ? get_post_meta( $post->ID, $field['name'], true ) : $field['default'];
$class = isset( $field['class'] ) && ! is_null( $field['class'] ) ? $field['class'] : 'regular-text';
$width = isset( $field['width'] ) && ! is_null( $field['width'] ) ? $field['width'] : '500px';
$teeny = isset( $field['teeny'] ) && ( $field['teeny'] == true ) ? true : false;
$text_mode = isset( $field['text_mode'] ) && ( $field['text_mode'] == true ) ? true : false;
$media_buttons = isset( $field['media_buttons'] ) && ( $field['media_buttons'] == true ) ? true : false;
$rows = isset( $field['rows'] ) ? $field['rows'] : 10;
$html = '<div style="max-width: ' . $width . ';">';
$editor_settings = array(
'teeny' => $teeny,
'textarea_name' => $field['name'] . '[' . $field['name'] . ']',
'textarea_rows' => $rows,
'quicktags' => $text_mode,
'media_buttons' => $media_buttons,
);
if ( isset( $field['options'] ) && is_array( $field['options'] ) ) {
$editor_settings = array_merge( $editor_settings, $field['options'] );
}
ob_start();
wp_editor( $value, $field['name'] . '-' . $field['name'], $editor_settings );
$html .= ob_get_contents();
ob_end_clean();
$html .= '</div>';
return $html;
}
public function field_description( $args, $no_p = false ) {
if ( ! empty( $args['desc'] ) ) {
if( ! $no_p ){
$desc = sprintf( '<p class="description">%s</p>', $args['desc'] );
} else{
$desc = sprintf( '%s', $args['desc'] );
}
} else {
$desc = '';
}
return $desc;
}
function scripts() {
?>
<script>
jQuery(document).ready(function($) {
//color picker
$('.wp-color-picker-field').wpColorPicker();
// media uploader
$('.mdc-browse').on('click', function (event) {
event.preventDefault();
var self = $(this);
var file_frame = wp.media.frames.file_frame = wp.media({
title: self.data('uploader_title'),
button: {
text: self.data('uploader_button_text'),
},
multiple: false
});
file_frame.on('select', function () {
attachment = file_frame.state().get('selection').first().toJSON();
self.prev('.mdc-url').val(attachment.url);
});
file_frame.open();
});
});
</script>
<style type="text/css">
.mdc-label {display: inline-block;vertical-align: top;width: 100x; font-weight: bold}
/* version 3.8 fix */
.form-table th { padding: 20px 10px; }
#wpbody-content .metabox-holder { padding-top: 5px; }
</style>
<?php
}
}
endif;
if ( ! function_exists( 'mdc_meta_box' ) ) {
function mdc_meta_box( $args ){
return new MDC_Meta_Box( $args );
}
}