Edit file File name : tags-suggest.js Content :/** * Default settings for jQuery UI Autocomplete for use with non-hierarchical taxonomies. * * @output wp-admin/js/tags-suggest.js */ ( function( $ ) { var tempID = 0; var separator = wp.i18n._x( ',', 'tag delimiter' ) || ','; var __ = wp.i18n.__, _n = wp.i18n._n, sprintf = wp.i18n.sprintf; function split( val ) { return val.split( new RegExp( separator + '\\s*' ) ); } function getLast( term ) { return split( term ).pop(); } /** * Add UI Autocomplete to an input or textarea element with presets for use * with non-hierarchical taxonomies. * * Example: `$( element ).wpTagsSuggest( options )`. * * The taxonomy can be passed in a `data-wp-taxonomy` attribute on the element or * can be in `options.taxonomy`. * * @since 4.7.0 * * @param {Object} options Options that are passed to UI Autocomplete. Can be used to override the default settings. * @return {Object} jQuery instance. */ $.fn.wpTagsSuggest = function( options ) { var cache; var last; var $element = $( this ); // Do not initialize if the element doesn't exist. if ( ! $element.length ) { return this; } options = options || {}; var taxonomy = options.taxonomy || $element.attr( 'data-wp-taxonomy' ) || 'post_tag'; delete( options.taxonomy ); options = $.extend( { source: function( request, response ) { var term; if ( last === request.term ) { response( cache ); return; } term = getLast( request.term ); $.get( window.ajaxurl, { action: 'ajax-tag-search', tax: taxonomy, q: term, number: 20 } ).always( function() { $element.removeClass( 'ui-autocomplete-loading' ); // UI fails to remove this sometimes? } ).done( function( data ) { var tagName; var tags = []; if ( data ) { data = data.split( '\n' ); for ( tagName in data ) { var id = ++tempID; tags.push({ id: id, name: data[tagName] }); } cache = tags; response( tags ); } else { response( tags ); } } ); last = request.term; }, focus: function( event, ui ) { $element.attr( 'aria-activedescendant', 'wp-tags-autocomplete-' + ui.item.id ); // Don't empty the input field when using the arrow keys // to highlight items. See api.jqueryui.com/autocomplete/#event-focus event.preventDefault(); }, select: function( event, ui ) { var tags = split( $element.val() ); // Remove the last user input. tags.pop(); // Append the new tag and an empty element to get one more separator at the end. tags.push( ui.item.name, '' ); $element.val( tags.join( separator + ' ' ) ); if ( $.ui.keyCode.TAB === event.keyCode ) { // Audible confirmation message when a tag has been selected. window.wp.a11y.speak( wp.i18n.__( 'Term selected.' ), 'assertive' ); event.preventDefault(); } else if ( $.ui.keyCode.ENTER === event.keyCode ) { // If we're in the edit post Tags meta box, add the tag. if ( window.tagBox ) { window.tagBox.userAction = 'add'; window.tagBox.flushTags( $( this ).closest( '.tagsdiv' ) ); } // Do not close Quick Edit / Bulk Edit. event.preventDefault(); event.stopPropagation(); } return false; }, open: function() { $element.attr( 'aria-expanded', 'true' ); }, close: function() { $element.attr( 'aria-expanded', 'false' ); }, minLength: 2, position: { my: 'left top+2', at: 'left bottom', collision: 'none' }, messages: { noResults: __( 'No results found.' ), results: function( number ) { return sprintf( /* translators: %d: Number of search results found. */ _n( '%d result found. Use up and down arrow keys to navigate.', '%d results found. Use up and down arrow keys to navigate.', number ), number ); } } }, options ); $element.on( 'keydown', function() { $element.removeAttr( 'aria-activedescendant' ); } ); $element.autocomplete( options ); // Ensure the autocomplete instance exists. if ( ! $element.autocomplete( 'instance' ) ) { return this; } $element.autocomplete( 'instance' )._renderItem = function( ul, item ) { return $( '<li role="option" id="wp-tags-autocomplete-' + item.id + '">' ) .text( item.name ) .appendTo( ul ); }; $element.attr( { 'role': 'combobox', 'aria-autocomplete': 'list', 'aria-expanded': 'false', 'aria-owns': $element.autocomplete( 'widget' ).attr( 'id' ) } ) .on( 'focus', function() { var inputValue = split( $element.val() ).pop(); // Don't trigger a search if the field is empty. // Also, avoids screen readers announce `No search results`. if ( inputValue ) { $element.autocomplete( 'search' ); } } ); // Returns a jQuery object containing the menu element. $element.autocomplete( 'widget' ) .addClass( 'wp-tags-autocomplete' ) .attr( 'role', 'listbox' ) .removeAttr( 'tabindex' ) // Remove the `tabindex=0` attribute added by jQuery UI. /* * Looks like Safari and VoiceOver need an `aria-selected` attribute. See ticket #33301. * The `menufocus` and `menublur` events are the same events used to add and remove * the `ui-state-focus` CSS class on the menu items. See jQuery UI Menu Widget. */ .on( 'menufocus', function( event, ui ) { ui.item.attr( 'aria-selected', 'true' ); }) .on( 'menublur', function() { // The `menublur` event returns an object where the item is `null`, // so we need to find the active item with other means. $( this ).find( '[aria-selected="true"]' ).removeAttr( 'aria-selected' ); }); return this; }; }( jQuery ) ); Save