/**

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* Suggests users in a multisite environment.

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*

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* For input fields where the admin can select a user based on email or

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* username, this script shows an autocompletion menu for these inputs. Should

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* only be used in a multisite environment. Only users in the currently active

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* site are shown.

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*

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* @since 3.4.0

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* @output wp-admin/js/user-suggest.js

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*/

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/* global ajaxurl, current_site_id, isRtl */

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(function( $ ) {

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var id = ( typeof current_site_id !== 'undefined' ) ? '&site_id=' + current_site_id : '';

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$(document).ready( function() {

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var position = { offset: '0, -1' };

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if ( typeof isRtl !== 'undefined' && isRtl ) {

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position.my = 'right top';

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position.at = 'right bottom';

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}

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/**

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* Adds an autocomplete function to input fields marked with the class

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* 'wp-suggest-user'.

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*

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* A minimum of two characters is required to trigger the suggestions. The

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* autocompletion menu is shown at the left bottom of the input field. On

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* RTL installations, it is shown at the right top. Adds the class 'open' to

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* the input field when the autocompletion menu is shown.

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*

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* Does a backend call to retrieve the users.

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*

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* Optional data-attributes:

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* - data-autocomplete-type (add, search)

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* The action that is going to be performed: search for existing users

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* or add a new one. Default: add

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* - data-autocomplete-field (user_login, user_email)

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* The field that is returned as the value for the suggestion.

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* Default: user_login

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*

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* @see wp-admin/includes/admin-actions.php:wp_ajax_autocomplete_user()

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*/

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$( '.wp-suggest-user' ).each( function(){

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var $this = $( this ),

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autocompleteType = ( typeof $this.data( 'autocompleteType' ) !== 'undefined' ) ? $this.data( 'autocompleteType' ) : 'add',

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autocompleteField = ( typeof $this.data( 'autocompleteField' ) !== 'undefined' ) ? $this.data( 'autocompleteField' ) : 'user_login';

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$this.autocomplete({

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source: ajaxurl + '?action=autocomplete-user&autocomplete_type=' + autocompleteType + '&autocomplete_field=' + autocompleteField + id,

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delay: 500,

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minLength: 2,

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position: position,

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open: function() {

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$( this ).addClass( 'open' );

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},

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close: function() {

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$( this ).removeClass( 'open' );

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}

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});

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});

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});

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})( jQuery );

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