555 lines
13 KiB
JavaScript
555 lines
13 KiB
JavaScript
/* eslint-disable */
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/**
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* Customized version of wp-includes/js/wplink.js
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*/
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( function ( $, wpLinkL10n, wp ) {
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let editor,
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searchTimer,
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River,
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Query,
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correctedURL,
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emailRegexp = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,63}$/i,
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urlRegexp = /^(https?|ftp):\/\/[A-Z0-9.-]+\.[A-Z]{2,63}[^ "]*$/i,
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inputs = {},
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rivers = {},
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isTouch = 'ontouchend' in document;
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window.wpLink = {
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timeToTriggerRiver: 150,
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minRiverAJAXDuration: 200,
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riverBottomThreshold: 5,
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keySensitivity: 100,
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lastSearch: '',
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textarea: '',
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modalOpen: false,
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init() {
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inputs.wrap = $( '#wp-link-wrap' );
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inputs.dialog = $( '#wp-link' );
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inputs.backdrop = $( '#wp-link-backdrop' );
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inputs.submit = $( '#wp-link-submit' );
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inputs.close = $( '#wp-link-close' );
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// Input.
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inputs.url = $( '#wp-link-url' );
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inputs.url_post_id = $( '#wp-link-id' );
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inputs.nonce = $( '#_ajax_linking_nonce' );
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inputs.search = $( '#wp-link-search' );
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// Build rivers.
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rivers.search = new River( $( '#search-results' ) );
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rivers.recent = new River( $( '#most-recent-results' ) );
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rivers.elements = inputs.dialog.find( '.query-results' );
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// Get search notice text.
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inputs.queryNotice = $( '#query-notice-message' );
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inputs.queryNoticeTextDefault = inputs.queryNotice.find(
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'.query-notice-default'
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);
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inputs.queryNoticeTextHint =
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inputs.queryNotice.find( '.query-notice-hint' );
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// Bind event handlers.
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inputs.dialog.on( 'keydown', wpLink.keydown );
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inputs.dialog.on( 'keyup', wpLink.keyup );
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inputs.close
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.add( inputs.backdrop )
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.add( '#wp-link-cancel button' )
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.on( 'click', function ( event ) {
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event.preventDefault();
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wpLink.close();
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} );
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rivers.elements.on( 'river-select', wpLink.updateFields );
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// Display 'hint' message when search field or 'query-results' box are focused.
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inputs.search
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.on( 'focus.wplink', function () {
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inputs.queryNoticeTextDefault.hide();
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inputs.queryNoticeTextHint
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.removeClass( 'screen-reader-text' )
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.show();
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} )
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.on( 'blur.wplink', function () {
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inputs.queryNoticeTextDefault.show();
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inputs.queryNoticeTextHint
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.addClass( 'screen-reader-text' )
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.hide();
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} );
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inputs.search.on( 'keyup input', function ( event ) {
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window.clearTimeout( searchTimer );
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searchTimer = window.setTimeout( function () {
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wpLink.searchInternalLinks();
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}, 500 );
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} );
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inputs.search.on( 'keypress', function ( event ) {
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if ( event.key === 'Enter' || event.keyCode === 13 ) {
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event.preventDefault();
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inputs.search.trigger( 'keyup input' );
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}
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} );
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inputs.url.on( 'paste', function () {
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setTimeout( wpLink.correctURL, 0 );
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} );
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inputs.url.on( 'blur', wpLink.correctURL );
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},
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// If URL wasn't corrected last time and doesn't start with http:, https:, ? # or /, prepend http://.
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correctURL() {
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const url = inputs.url.val().trim();
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if (
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url &&
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correctedURL !== url &&
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! /^(?:[a-z]+:|#|\?|\.|\/)/.test( url )
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) {
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inputs.url.val( 'http://' + url );
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correctedURL = url;
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}
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},
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open( url, text ) {
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let ed,
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$body = $( document.body );
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$body.addClass( 'modal-open' );
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wpLink.modalOpen = true;
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inputs.wrap.show();
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inputs.backdrop.show();
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wpLink.refresh( url, text );
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$( document ).trigger( 'wplink-open', inputs.wrap );
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},
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refresh( url, text ) {
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let linkText = '';
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// Refresh rivers (clear links, check visibility).
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rivers.search.refresh();
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rivers.recent.refresh();
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// For the Text editor the "Link text" field is always shown.
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if ( ! inputs.wrap.hasClass( 'has-text-field' ) ) {
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inputs.wrap.addClass( 'has-text-field' );
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}
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if ( document.selection ) {
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// Old IE.
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linkText = document.selection.createRange().text || text || '';
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} else if (
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typeof this.textarea.selectionStart !== 'undefined' &&
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this.textarea.selectionStart !== this.textarea.selectionEnd
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) {
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// W3C.
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text =
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this.textarea.value.substring(
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this.textarea.selectionStart,
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this.textarea.selectionEnd
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) ||
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text ||
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'';
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}
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wpLink.setDefaultValues();
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if ( isTouch ) {
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// Close the onscreen keyboard.
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inputs.url.trigger( 'focus' ).trigger( 'blur' );
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} else {
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/*
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* Focus the URL field and highlight its contents.
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* If this is moved above the selection changes,
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* IE will show a flashing cursor over the dialog.
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*/
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window.setTimeout( function () {
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inputs.url[ 0 ].select();
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inputs.url.trigger( 'focus' );
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} );
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}
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// Load the most recent results if this is the first time opening the panel.
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if ( ! rivers.recent.ul.children().length ) {
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rivers.recent.ajax();
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}
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correctedURL = inputs.url.val().replace( /^http:\/\//, '' );
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},
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close( reset ) {
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$( document.body ).removeClass( 'modal-open' );
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wpLink.modalOpen = false;
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inputs.backdrop.hide();
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inputs.wrap.hide();
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correctedURL = false;
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$( document ).trigger( 'wplink-close', inputs.wrap );
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},
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updateFields( e, li ) {
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inputs.url.val( li.children( '.item-permalink' ).val() );
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inputs.url_post_id.val( li.children( '.item-id' ).val() );
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},
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setDefaultValues() {
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// Empty the search field and swap the "rivers".
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inputs.search.val( '' );
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wpLink.searchInternalLinks();
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},
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searchInternalLinks() {
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let waiting,
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search = inputs.search.val() || '',
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minInputLength = parseInt( wpLinkL10n.minInputLength, 10 ) || 3;
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if ( search.length >= minInputLength ) {
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rivers.recent.hide();
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rivers.search.show();
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// Don't search if the keypress didn't change the title.
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if ( wpLink.lastSearch == search ) return;
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wpLink.lastSearch = search;
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waiting = inputs.search
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.parent()
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.find( '.spinner' )
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.addClass( 'is-active' );
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rivers.search.change( search );
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rivers.search.ajax( function () {
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waiting.removeClass( 'is-active' );
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} );
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} else {
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rivers.search.hide();
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rivers.recent.show();
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}
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},
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next() {
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rivers.search.next();
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rivers.recent.next();
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},
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prev() {
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rivers.search.prev();
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rivers.recent.prev();
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},
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keydown( event ) {
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let fn, id;
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// Escape key.
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if ( 27 === event.keyCode ) {
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wpLink.close();
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event.stopImmediatePropagation();
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// Tab key.
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} else if ( 9 === event.keyCode ) {
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id = event.target.id;
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// wp-link-submit must always be the last focusable element in the dialog.
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// Following focusable elements will be skipped on keyboard navigation.
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if ( id === 'wp-link-submit' && ! event.shiftKey ) {
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inputs.close.trigger( 'focus' );
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event.preventDefault();
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} else if ( id === 'wp-link-close' && event.shiftKey ) {
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inputs.submit.trigger( 'focus' );
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event.preventDefault();
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}
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}
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// Up Arrow and Down Arrow keys.
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if (
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event.shiftKey ||
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( 38 !== event.keyCode && 40 !== event.keyCode )
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) {
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return;
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}
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if (
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document.activeElement &&
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( document.activeElement.id === 'link-title-field' ||
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document.activeElement.id === 'url-field' )
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) {
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return;
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}
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// Up Arrow key.
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fn = 38 === event.keyCode ? 'prev' : 'next';
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clearInterval( wpLink.keyInterval );
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wpLink[ fn ]();
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wpLink.keyInterval = setInterval(
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wpLink[ fn ],
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wpLink.keySensitivity
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);
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event.preventDefault();
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},
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keyup( event ) {
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// Up Arrow and Down Arrow keys.
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if ( 38 === event.keyCode || 40 === event.keyCode ) {
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clearInterval( wpLink.keyInterval );
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event.preventDefault();
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}
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},
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delayedCallback( func, delay ) {
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let timeoutTriggered, funcTriggered, funcArgs, funcContext;
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if ( ! delay ) return func;
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setTimeout( function () {
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if ( funcTriggered ) return func.apply( funcContext, funcArgs );
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// Otherwise, wait.
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timeoutTriggered = true;
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}, delay );
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return function () {
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if ( timeoutTriggered ) return func.apply( this, arguments );
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// Otherwise, wait.
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funcArgs = arguments;
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funcContext = this;
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funcTriggered = true;
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};
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},
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};
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River = function ( element, search ) {
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const self = this;
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this.element = element;
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this.ul = element.children( 'ul' );
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this.contentHeight = element.children( '#link-selector-height' );
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this.waiting = element.find( '.river-waiting' );
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this.change( search );
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this.refresh();
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$( '#wp-link .query-results, #wp-link #link-selector' ).on(
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'scroll',
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function () {
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self.maybeLoad();
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}
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);
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element.on( 'click', 'li', function ( event ) {
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self.select( $( this ), event );
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} );
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};
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$.extend( River.prototype, {
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refresh() {
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this.deselect();
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this.visible = this.element.is( ':visible' );
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},
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show() {
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if ( ! this.visible ) {
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this.deselect();
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this.element.show();
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this.visible = true;
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}
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},
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hide() {
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this.element.hide();
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this.visible = false;
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},
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// Selects a list item and triggers the river-select event.
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select( li, event ) {
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let liHeight, elHeight, liTop, elTop;
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if ( li.hasClass( 'unselectable' ) || li == this.selected ) return;
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this.deselect();
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this.selected = li.addClass( 'selected' );
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// Make sure the element is visible.
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liHeight = li.outerHeight();
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elHeight = this.element.height();
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liTop = li.position().top;
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elTop = this.element.scrollTop();
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if ( liTop < 0 )
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// Make first visible element.
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this.element.scrollTop( elTop + liTop );
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else if ( liTop + liHeight > elHeight )
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// Make last visible element.
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this.element.scrollTop( elTop + liTop - elHeight + liHeight );
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// Trigger the river-select event.
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this.element.trigger( 'river-select', [ li, event, this ] );
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// Focus submit button.
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inputs.submit.focus();
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},
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deselect() {
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if ( this.selected ) this.selected.removeClass( 'selected' );
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this.selected = false;
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},
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prev() {
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if ( ! this.visible ) return;
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let to;
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if ( this.selected ) {
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to = this.selected.prev( 'li' );
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if ( to.length ) this.select( to );
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}
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},
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next() {
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if ( ! this.visible ) return;
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const to = this.selected
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? this.selected.next( 'li' )
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: $( 'li:not(.unselectable):first', this.element );
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if ( to.length ) this.select( to );
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},
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ajax( callback ) {
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const self = this,
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delay = this.query.page == 1 ? 0 : wpLink.minRiverAJAXDuration,
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response = wpLink.delayedCallback( function (
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results,
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params
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) {
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self.process( results, params );
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if ( callback ) callback( results, params );
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},
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delay );
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this.query.ajax( response );
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},
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change( search ) {
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if ( this.query && this._search == search ) return;
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this._search = search;
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this.query = new Query( search );
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this.element.scrollTop( 0 );
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},
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process( results, params ) {
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let list = '',
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alt = true,
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classes = '',
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firstPage = params.page == 1;
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if ( ! results ) {
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if ( firstPage ) {
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list +=
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'<li class="unselectable no-matches-found"><span class="item-title"><em>' +
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wpLinkL10n.noMatchesFound +
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'</em></span></li>';
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}
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} else {
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$.each( results, function () {
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classes = alt ? 'alternate' : '';
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classes += this.title ? '' : ' no-title';
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classes +=
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this.run_tests_status
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? ' vrts-tests--active'
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: '';
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list += classes ? '<li class="' + classes + '">' : '<li>';
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if ( ! this.run_tests_status ) {
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list +=
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'<input type="hidden" class="item-permalink" value="' +
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this.permalink +
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'" />';
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list +=
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'<input type="hidden" class="item-id" value="' +
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this.ID +
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'" />';
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}
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list += '<span class="item-title"><strong>';
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list += this.title ? this.title : wpLinkL10n.noTitle;
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list += '</strong><br><span class="item-permalink">';
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list += this.permalink
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? this.permalink
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: wpLinkL10n.noTitle;
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list += '</span>';
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list +=
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'</span><span class="item-info">' +
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this.info +
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'</span></li>';
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alt = ! alt;
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} );
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}
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this.ul[ firstPage ? 'html' : 'append' ]( list );
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},
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maybeLoad() {
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const self = this,
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el = this.element,
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bottom = el.scrollTop() + el.height();
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if (
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! this.query.ready() ||
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bottom <
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this.contentHeight.height() - wpLink.riverBottomThreshold
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)
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return;
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setTimeout( function () {
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const newTop = el.scrollTop(),
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newBottom = newTop + el.height();
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if (
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! self.query.ready() ||
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newBottom <
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self.contentHeight.height() -
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wpLink.riverBottomThreshold
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)
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return;
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self.waiting.addClass( 'is-active' );
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el.scrollTop( newTop + self.waiting.outerHeight() );
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self.ajax( function () {
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self.waiting.removeClass( 'is-active' );
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} );
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}, wpLink.timeToTriggerRiver );
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},
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} );
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Query = function ( search ) {
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this.page = 1;
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this.allLoaded = false;
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this.querying = false;
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this.search = search;
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};
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$.extend( Query.prototype, {
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ready() {
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return ! ( this.querying || this.allLoaded );
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},
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ajax( callback ) {
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const self = this,
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query = {
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action: 'wp-link-ajax',
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vrts_filter_query: true,
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page: this.page,
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_ajax_linking_nonce: inputs.nonce.val(),
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};
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if ( this.search ) query.search = this.search;
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this.querying = true;
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$.post(
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window.ajaxurl,
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query,
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function ( r ) {
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self.page++;
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self.querying = false;
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self.allLoaded = ! r;
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callback( r, query );
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},
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'json'
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);
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},
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} );
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$( wpLink.init );
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} )( jQuery, window.wpLinkL10n, window.wp );
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