342 lines
7.1 KiB
PHP
342 lines
7.1 KiB
PHP
<?php
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/**
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* Admin screen with metaboxes base class.
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*/
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abstract class scbBoxesPage extends scbAdminPage {
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/*
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A box definition looks like this:
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array( $slug, $title, $column );
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Available columns: normal, side, column3, column4
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*/
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protected $boxes = array();
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/**
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* Constructor.
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*
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* @param string|bool $file (optional)
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* @param object $options (optional) A scbOptions object.
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*
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* @return void
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*/
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public function __construct( $file = false, $options = null ) {
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parent::__construct( $file, $options );
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scbUtil::add_uninstall_hook( $this->file, array( $this, 'uninstall' ) );
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}
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/**
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* Registers a page.
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*
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* @return void
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*/
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public function page_init() {
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if ( ! isset( $this->args['columns'] ) ) {
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$this->args['columns'] = 2;
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}
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parent::page_init();
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add_action( 'load-' . $this->pagehook, array( $this, 'boxes_init' ) );
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}
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/**
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* Prints default CSS styles.
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*
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* @return void
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*/
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protected function default_css() {
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?>
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<style type="text/css">
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.postbox-container + .postbox-container {
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margin-left: 18px;
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}
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.postbox-container {
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padding-right: 0;
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}
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.inside {
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clear: both;
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overflow: hidden;
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}
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.inside table {
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margin: 0 !important;
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padding: 0 !important;
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}
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.inside table td {
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vertical-align: middle !important;
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}
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.inside table .regular-text {
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width: 100% !important;
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}
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.inside .form-table th {
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width: 30%;
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max-width: 200px;
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padding: 10px 0 !important;
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}
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.inside .widefat .check-column {
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padding-bottom: 7px !important;
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}
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.inside p,
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.inside table {
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margin: 0 0 10px !important;
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}
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.inside p.submit {
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float: left !important;
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padding: 0 !important;
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margin-bottom: 0 !important;
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}
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.meta-box-sortables {
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min-height: 100px;
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width: 100%;
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}
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</style>
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<?php
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}
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/**
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* Displays page content.
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*
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* @return void
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*/
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protected function page_content() {
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$this->default_css();
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global $screen_layout_columns;
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if ( isset( $screen_layout_columns ) ) {
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$hide2 = $hide3 = $hide4 = '';
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switch ( $screen_layout_columns ) {
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case 4:
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if ( ! isset( $this->args['column_widths'] ) ) {
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$this->args['column_widths'] = array( 24.5, 24.5, 24.5, 24.5 );
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}
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break;
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case 3:
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if ( ! isset( $this->args['column_widths'] ) ) {
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$this->args['column_widths'] = array( 32.67, 32.67, 32.67 );
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}
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$hide4 = 'display:none;';
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break;
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case 2:
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if ( ! isset( $this->args['column_widths'] ) ) {
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$this->args['column_widths'] = array( 49, 49 );
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}
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$hide3 = $hide4 = 'display:none;';
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break;
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default:
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if ( ! isset( $this->args['column_widths'] ) ) {
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$this->args['column_widths'] = array( 98 );
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}
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$hide2 = $hide3 = $hide4 = 'display:none;';
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}
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$this->args['column_widths'] = array_pad( $this->args['column_widths'], 4, 0 );
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}
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?>
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<div id='<?php echo $this->pagehook; ?>-widgets' class='metabox-holder'>
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<?php
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echo "\t<div class='postbox-container' style='width:{$this->args['column_widths'][0]}%'>\n";
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do_meta_boxes( $this->pagehook, 'normal', '' );
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echo "\t</div><div class='postbox-container' style='width:{$hide2}{$this->args['column_widths'][1]}%'>\n";
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do_meta_boxes( $this->pagehook, 'side', '' );
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echo "\t</div><div class='postbox-container' style='width:{$hide3}{$this->args['column_widths'][2]}%'>\n";
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do_meta_boxes( $this->pagehook, 'column3', '' );
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echo "\t</div><div class='postbox-container' style='width:{$hide4}{$this->args['column_widths'][3]}%'>\n";
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do_meta_boxes( $this->pagehook, 'column4', '' );
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?>
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</div></div>
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<?php
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}
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/**
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* Displays page footer.
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*
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* @return void
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*/
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protected function page_footer() {
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parent::page_footer();
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$this->_boxes_js_init();
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}
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/**
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* Handles option saving.
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*
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* @return void
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*/
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protected function form_handler() {
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if ( empty( $_POST ) ) {
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return;
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}
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check_admin_referer( $this->nonce );
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// Box handler
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foreach ( $this->boxes as $box ) {
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$args = isset( $box[4] ) ? $box[4] : array();
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$handler = $box[0] . '_handler';
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if ( method_exists( $this, $handler ) ) {
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call_user_func_array( array( $this, $handler ), $args );
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}
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}
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}
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/**
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* Uninstalls boxes.
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*
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* @return void
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*/
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public function uninstall() {
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global $wpdb;
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$hook = str_replace( '-', '', $this->pagehook );
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foreach ( array( 'metaboxhidden', 'closedpostboxes', 'wp_metaboxorder', 'screen_layout' ) as $option ) {
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$keys[] = "'{$option}_{$hook}'";
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}
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$keys = '( ' . implode( ', ', $keys ) . ' )';
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$wpdb->query( "
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DELETE FROM {$wpdb->usermeta}
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WHERE meta_key IN {$keys}
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" );
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}
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/**
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* Adds boxes.
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*
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* @return void
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*/
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public function boxes_init() {
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wp_enqueue_script( 'postbox' );
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add_screen_option( 'layout_columns', array(
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'max' => $this->args['columns'],
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'default' => $this->args['columns']
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) );
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$registered = array();
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foreach ( $this->boxes as $box_args ) {
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$box_args = self::numeric_to_assoc( $box_args, array( 'name', 'title', 'context', 'priority', 'args' ) );
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$defaults = array(
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'title' => ucfirst( $box_args['name'] ),
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'context' => 'normal',
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'priority' => 'default',
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'args' => array()
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);
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$box_args = array_merge( $defaults, $box_args );
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$name = $box_args['name'];
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if ( isset( $registered[ $name ] ) ) {
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if ( empty( $box_args['args'] ) ) {
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trigger_error( "Duplicate box name: $name", E_USER_NOTICE );
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}
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$name = $this->_increment( $name );
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} else {
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$registered[ $name ] = true;
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}
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add_meta_box(
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$name,
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$box_args['title'],
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array( $this, '_intermediate_callback' ),
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$this->pagehook,
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$box_args['context'],
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$box_args['priority'],
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$box_args['args']
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);
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}
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}
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/**
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* Transforms numeric array to associative.
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*
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* @param array $argv
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* @param array $keys
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*
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* @return array
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*/
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private static function numeric_to_assoc( $argv, $keys ) {
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$args = array();
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foreach ( $keys as $i => $key ) {
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if ( isset( $argv[ $i ] ) ) {
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$args[ $key ] = $argv[ $i ];
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}
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}
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return $args;
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}
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/**
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* Since we don't pass an object to do_meta_boxes(),
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* pass $box['args'] directly to each method.
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*
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* @param string $_
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* @param array $box
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*
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* @return void
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*/
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public function _intermediate_callback( $_, $box ) {
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list( $name ) = explode( '-', $box['id'] );
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call_user_func_array( array( $this, $name . '_box' ), $box['args'] );
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}
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/**
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* Adds/Increments ID in box name.
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*
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* @param string $name
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*
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* @return string
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*/
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private function _increment( $name ) {
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$parts = explode( '-', $name );
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if ( isset( $parts[1] ) ) {
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$parts[1]++;
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} else {
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$parts[1] = 2;
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}
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return implode( '-', $parts );
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}
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/**
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* Adds necesary code for JS to work.
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*
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* @return void
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*/
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protected function _boxes_js_init() {
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echo $this->js_wrap( <<<EOT
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jQuery( document ).ready( function( $ ){
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// close postboxes that should be closed
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$( '.if-js-closed' ).removeClass( 'if-js-closed' ).addClass( 'closed' );
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// postboxes setup
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postboxes.add_postbox_toggles( '$this->pagehook' );
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} );
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EOT
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);
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?>
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<form style='display: none' method='get' action=''>
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<p>
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<?php
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wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
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wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
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?>
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</p>
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</form>
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<?php
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}
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}
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