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Edit File : wplink.js \| Size : 20.47 KB
/** * @output site-inc/js/wplink.js / / global wpLink / ( function( $, wpLinkL10n, wp ) { var editor, searchTimer, River, Query, correctedURL, emailRegexp = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,63}$/i, urlRegexp = /^(https?\|ftp):\/\/[A-Z0-9.-]+\.[A-Z]{2,63}[^ "]$/i, inputs = {}, rivers = {}, isTouch = ( 'ontouchend' in document ); function getLink() { if ( editor ) { return editor.$( 'a[data-wplink-edit="true"]' ); } return null; } window.wpLink = { timeToTriggerRiver: 150, minRiverAJAXDuration: 200, riverBottomThreshold: 5, keySensitivity: 100, lastSearch: '', textarea: '', modalOpen: false, init: function() { inputs.wrap = $('#wp-link-wrap'); inputs.dialog = $( '#wp-link' ); inputs.backdrop = $( '#wp-link-backdrop' ); inputs.submit = $( '#wp-link-submit' ); inputs.close = $( '#wp-link-close' ); // Input inputs.text = $( '#wp-link-text' ); inputs.url = $( '#wp-link-url' ); inputs.nonce = $( '#_ajax_linking_nonce' ); inputs.openInNewTab = $( '#wp-link-target' ); inputs.search = $( '#wp-link-search' ); // Build Rivers rivers.search = new River( $( '#search-results' ) ); rivers.recent = new River( $( '#most-recent-results' ) ); rivers.elements = inputs.dialog.find( '.query-results' ); // Get search notice text inputs.queryNotice = $( '#query-notice-message' ); inputs.queryNoticeTextDefault = inputs.queryNotice.find( '.query-notice-default' ); inputs.queryNoticeTextHint = inputs.queryNotice.find( '.query-notice-hint' ); // Bind event handlers inputs.dialog.keydown( wpLink.keydown ); inputs.dialog.keyup( wpLink.keyup ); inputs.submit.click( function( event ) { event.preventDefault(); wpLink.update(); }); inputs.close.add( inputs.backdrop ).add( '#wp-link-cancel button' ).click( function( event ) { event.preventDefault(); wpLink.close(); }); rivers.elements.on( 'river-select', wpLink.updateFields ); // Display 'hint' message when search field or 'query-results' box are focused inputs.search.on( 'focus.wplink', function() { inputs.queryNoticeTextDefault.hide(); inputs.queryNoticeTextHint.removeClass( 'screen-reader-text' ).show(); } ).on( 'blur.wplink', function() { inputs.queryNoticeTextDefault.show(); inputs.queryNoticeTextHint.addClass( 'screen-reader-text' ).hide(); } ); inputs.search.on( 'keyup input', function() { window.clearTimeout( searchTimer ); searchTimer = window.setTimeout( function() { wpLink.searchInternalLinks(); }, 500 ); }); inputs.url.on( 'paste', function() { setTimeout( wpLink.correctURL, 0 ); } ); inputs.url.on( 'blur', wpLink.correctURL ); }, // If URL wasn't corrected last time and doesn't start with http:, https:, ? # or /, prepend http:// correctURL: function () { var url = $.trim( inputs.url.val() ); if ( url && correctedURL !== url && ! /^(?:[a-z]+:\|#\|\?\|\.\|\/)/.test( url ) ) { inputs.url.val( 'http://' + url ); correctedURL = url; } }, open: function( editorId, url, text ) { var ed, $body = $( document.body ); $body.addClass( 'modal-open' ); wpLink.modalOpen = true; wpLink.range = null; if ( editorId ) { window.wpActiveEditor = editorId; } if ( ! window.wpActiveEditor ) { return; } this.textarea = $( '#' + window.wpActiveEditor ).get( 0 ); if ( typeof window.tinymce !== 'undefined' ) { // Make sure the link wrapper is the last element in the body, // or the inline editor toolbar may show above the backdrop. $body.append( inputs.backdrop, inputs.wrap ); ed = window.tinymce.get( window.wpActiveEditor ); if ( ed && ! ed.isHidden() ) { editor = ed; } else { editor = null; } } if ( ! wpLink.isMCE() && document.selection ) { this.textarea.focus(); this.range = document.selection.createRange(); } inputs.wrap.show(); inputs.backdrop.show(); wpLink.refresh( url, text ); $( document ).trigger( 'wplink-open', inputs.wrap ); }, isMCE: function() { return editor && ! editor.isHidden(); }, refresh: function( url, text ) { var linkText = ''; // Refresh rivers (clear links, check visibility) rivers.search.refresh(); rivers.recent.refresh(); if ( wpLink.isMCE() ) { wpLink.mceRefresh( url, text ); } else { // For the Text editor the "Link text" field is always shown if ( ! inputs.wrap.hasClass( 'has-text-field' ) ) { inputs.wrap.addClass( 'has-text-field' ); } if ( document.selection ) { // Old IE linkText = document.selection.createRange().text \|\| text \|\| ''; } else if ( typeof this.textarea.selectionStart !== 'undefined' && ( this.textarea.selectionStart !== this.textarea.selectionEnd ) ) { // W3C text = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd ) \|\| text \|\| ''; } inputs.text.val( text ); wpLink.setDefaultValues(); } if ( isTouch ) { // Close the onscreen keyboard inputs.url.focus().blur(); } else { // Focus the URL field and highlight its contents. // If this is moved above the selection changes, // IE will show a flashing cursor over the dialog. window.setTimeout( function() { inputs.url[0].select(); inputs.url.focus(); } ); } // Load the most recent results if this is the first time opening the panel. if ( ! rivers.recent.ul.children().length ) { rivers.recent.ajax(); } correctedURL = inputs.url.val().replace( /^http:\/\//, '' ); }, hasSelectedText: function( linkNode ) { var node, nodes, i, html = editor.selection.getContent(); // Partial html and not a fully selected anchor element if ( /</.test( html ) && ( ! /^<a [^>]+>[^<]+<\/a>$/.test( html ) \|\| html.indexOf('href=') === -1 ) ) { return false; } if ( linkNode.length ) { nodes = linkNode[0].childNodes; if ( ! nodes \|\| ! nodes.length ) { return false; } for ( i = nodes.length - 1; i >= 0; i-- ) { node = nodes[i]; if ( node.nodeType != 3 && ! window.tinymce.dom.BookmarkManager.isBookmarkNode( node ) ) { return false; } } } return true; }, mceRefresh: function( searchStr, text ) { var linkText, href, linkNode = getLink(), onlyText = this.hasSelectedText( linkNode ); if ( linkNode.length ) { linkText = linkNode.text(); href = linkNode.attr( 'href' ); if ( ! $.trim( linkText ) ) { linkText = text \|\| ''; } if ( searchStr && ( urlRegexp.test( searchStr ) \|\| emailRegexp.test( searchStr ) ) ) { href = searchStr; } if ( href !== '_wp_link_placeholder' ) { inputs.url.val( href ); inputs.openInNewTab.prop( 'checked', '_blank' === linkNode.attr( 'target' ) ); inputs.submit.val( wpLinkL10n.update ); } else { this.setDefaultValues( linkText ); } if ( searchStr && searchStr !== href ) { // The user has typed something in the inline dialog. Trigger a search with it. inputs.search.val( searchStr ); } else { inputs.search.val( '' ); } // Always reset the search window.setTimeout( function() { wpLink.searchInternalLinks(); } ); } else { linkText = editor.selection.getContent({ format: 'text' }) \|\| text \|\| ''; this.setDefaultValues( linkText ); } if ( onlyText ) { inputs.text.val( linkText ); inputs.wrap.addClass( 'has-text-field' ); } else { inputs.text.val( '' ); inputs.wrap.removeClass( 'has-text-field' ); } }, close: function( reset ) { $( document.body ).removeClass( 'modal-open' ); wpLink.modalOpen = false; if ( reset !== 'noReset' ) { if ( ! wpLink.isMCE() ) { wpLink.textarea.focus(); if ( wpLink.range ) { wpLink.range.moveToBookmark( wpLink.range.getBookmark() ); wpLink.range.select(); } } else { if ( editor.plugins.wplink ) { editor.plugins.wplink.close(); } editor.focus(); } } inputs.backdrop.hide(); inputs.wrap.hide(); correctedURL = false; $( document ).trigger( 'wplink-close', inputs.wrap ); }, getAttrs: function() { wpLink.correctURL(); return { href: $.trim( inputs.url.val() ), target: inputs.openInNewTab.prop( 'checked' ) ? '_blank' : null }; }, buildHtml: function(attrs) { var html = '<a href="' + attrs.href + '"'; if ( attrs.target ) { html += ' rel="noopener" target="' + attrs.target + '"'; } return html + '>'; }, update: function() { if ( wpLink.isMCE() ) { wpLink.mceUpdate(); } else { wpLink.htmlUpdate(); } }, htmlUpdate: function() { var attrs, text, html, begin, end, cursor, selection, textarea = wpLink.textarea; if ( ! textarea ) { return; } attrs = wpLink.getAttrs(); text = inputs.text.val(); var parser = document.createElement( 'a' ); parser.href = attrs.href; if ( 'javascript:' === parser.protocol \|\| 'data:' === parser.protocol ) { // jshint ignore:line attrs.href = ''; } // If there's no href, return. if ( ! attrs.href ) { return; } html = wpLink.buildHtml(attrs); // Insert HTML if ( document.selection && wpLink.range ) { // IE // Note: If no text is selected, IE will not place the cursor // inside the closing tag. textarea.focus(); wpLink.range.text = html + ( text \|\| wpLink.range.text ) + '</a>'; wpLink.range.moveToBookmark( wpLink.range.getBookmark() ); wpLink.range.select(); wpLink.range = null; } else if ( typeof textarea.selectionStart !== 'undefined' ) { // W3C begin = textarea.selectionStart; end = textarea.selectionEnd; selection = text \|\| textarea.value.substring( begin, end ); html = html + selection + '</a>'; cursor = begin + html.length; // If no text is selected, place the cursor inside the closing tag. if ( begin === end && ! selection ) { cursor -= 4; } textarea.value = ( textarea.value.substring( 0, begin ) + html + textarea.value.substring( end, textarea.value.length ) ); // Update cursor position textarea.selectionStart = textarea.selectionEnd = cursor; } wpLink.close(); textarea.focus(); $( textarea ).trigger( 'change' ); // Audible confirmation message when a link has been inserted in the Editor. wp.a11y.speak( wpLinkL10n.linkInserted ); }, mceUpdate: function() { var attrs = wpLink.getAttrs(), $link, text, hasText; var parser = document.createElement( 'a' ); parser.href = attrs.href; if ( 'javascript:' === parser.protocol \|\| 'data:' === parser.protocol ) { // jshint ignore:line attrs.href = ''; } if ( ! attrs.href ) { editor.execCommand( 'unlink' ); wpLink.close(); return; } $link = getLink(); editor.undoManager.transact( function() { if ( ! $link.length ) { editor.execCommand( 'mceInsertLink', false, { href: '_wp_link_placeholder', 'data-wp-temp-link': 1 } ); $link = editor.$( 'a[data-wp-temp-link="1"]' ).removeAttr( 'data-wp-temp-link' ); hasText = $.trim( $link.text() ); } if ( ! $link.length ) { editor.execCommand( 'unlink' ); } else { if ( inputs.wrap.hasClass( 'has-text-field' ) ) { text = inputs.text.val(); if ( text ) { $link.text( text ); } else if ( ! hasText ) { $link.text( attrs.href ); } } attrs['data-wplink-edit'] = null; attrs['data-mce-href'] = attrs.href; $link.attr( attrs ); } } ); wpLink.close( 'noReset' ); editor.focus(); if ( $link.length ) { editor.selection.select( $link[0] ); if ( editor.plugins.wplink ) { editor.plugins.wplink.checkLink( $link[0] ); } } editor.nodeChanged(); // Audible confirmation message when a link has been inserted in the Editor. wp.a11y.speak( wpLinkL10n.linkInserted ); }, updateFields: function( e, li ) { inputs.url.val( li.children( '.item-permalink' ).val() ); if ( inputs.wrap.hasClass( 'has-text-field' ) && ! inputs.text.val() ) { inputs.text.val( li.children( '.item-title' ).text() ); } }, getUrlFromSelection: function( selection ) { if ( ! selection ) { if ( this.isMCE() ) { selection = editor.selection.getContent({ format: 'text' }); } else if ( document.selection && wpLink.range ) { selection = wpLink.range.text; } else if ( typeof this.textarea.selectionStart !== 'undefined' ) { selection = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd ); } } selection = $.trim( selection ); if ( selection && emailRegexp.test( selection ) ) { // Selection is email address return 'mailto:' + selection; } else if ( selection && urlRegexp.test( selection ) ) { // Selection is URL return selection.replace( /&\|&#0?38;/gi, '&' ); } return ''; }, setDefaultValues: function( selection ) { inputs.url.val( this.getUrlFromSelection( selection ) ); // Empty the search field and swap the "rivers". inputs.search.val(''); wpLink.searchInternalLinks(); // Update save prompt. inputs.submit.val( wpLinkL10n.save ); }, searchInternalLinks: function() { var waiting, search = inputs.search.val() \|\| ''; if ( search.length > 2 ) { rivers.recent.hide(); rivers.search.show(); // Don't search if the keypress didn't change the title. if ( wpLink.lastSearch == search ) return; wpLink.lastSearch = search; waiting = inputs.search.parent().find( '.spinner' ).addClass( 'is-active' ); rivers.search.change( search ); rivers.search.ajax( function() { waiting.removeClass( 'is-active' ); }); } else { rivers.search.hide(); rivers.recent.show(); } }, next: function() { rivers.search.next(); rivers.recent.next(); }, prev: function() { rivers.search.prev(); rivers.recent.prev(); }, keydown: function( event ) { var fn, id; // Escape key. if ( 27 === event.keyCode ) { wpLink.close(); event.stopImmediatePropagation(); // Tab key. } else if ( 9 === event.keyCode ) { id = event.target.id; // wp-link-submit must always be the last focusable element in the dialog. // following focusable elements will be skipped on keyboard navigation. if ( id === 'wp-link-submit' && ! event.shiftKey ) { inputs.close.focus(); event.preventDefault(); } else if ( id === 'wp-link-close' && event.shiftKey ) { inputs.submit.focus(); event.preventDefault(); } } // Up Arrow and Down Arrow keys. if ( event.shiftKey \|\| ( 38 !== event.keyCode && 40 !== event.keyCode ) ) { return; } if ( document.activeElement && ( document.activeElement.id === 'link-title-field' \|\| document.activeElement.id === 'url-field' ) ) { return; } // Up Arrow key. fn = 38 === event.keyCode ? 'prev' : 'next'; clearInterval( wpLink.keyInterval ); wpLink[ fn ](); wpLink.keyInterval = setInterval( wpLink[ fn ], wpLink.keySensitivity ); event.preventDefault(); }, keyup: function( event ) { // Up Arrow and Down Arrow keys. if ( 38 === event.keyCode \|\| 40 === event.keyCode ) { clearInterval( wpLink.keyInterval ); event.preventDefault(); } }, delayedCallback: function( func, delay ) { var timeoutTriggered, funcTriggered, funcArgs, funcContext; if ( ! delay ) return func; setTimeout( function() { if ( funcTriggered ) return func.apply( funcContext, funcArgs ); // Otherwise, wait. timeoutTriggered = true; }, delay ); return function() { if ( timeoutTriggered ) return func.apply( this, arguments ); // Otherwise, wait. funcArgs = arguments; funcContext = this; funcTriggered = true; }; } }; River = function( element, search ) { var self = this; this.element = element; this.ul = element.children( 'ul' ); this.contentHeight = element.children( '#link-selector-height' ); this.waiting = element.find('.river-waiting'); this.change( search ); this.refresh(); $( '#wp-link .query-results, #wp-link #link-selector' ).scroll( function() { self.maybeLoad(); }); element.on( 'click', 'li', function( event ) { self.select( $( this ), event ); }); }; $.extend( River.prototype, { refresh: function() { this.deselect(); this.visible = this.element.is( ':visible' ); }, show: function() { if ( ! this.visible ) { this.deselect(); this.element.show(); this.visible = true; } }, hide: function() { this.element.hide(); this.visible = false; }, // Selects a list item and triggers the river-select event. select: function( li, event ) { var liHeight, elHeight, liTop, elTop; if ( li.hasClass( 'unselectable' ) \|\| li == this.selected ) return; this.deselect(); this.selected = li.addClass( 'selected' ); // Make sure the element is visible liHeight = li.outerHeight(); elHeight = this.element.height(); liTop = li.position().top; elTop = this.element.scrollTop(); if ( liTop < 0 ) // Make first visible element this.element.scrollTop( elTop + liTop ); else if ( liTop + liHeight > elHeight ) // Make last visible element this.element.scrollTop( elTop + liTop - elHeight + liHeight ); // Trigger the river-select event this.element.trigger( 'river-select', [ li, event, this ] ); }, deselect: function() { if ( this.selected ) this.selected.removeClass( 'selected' ); this.selected = false; }, prev: function() { if ( ! this.visible ) return; var to; if ( this.selected ) { to = this.selected.prev( 'li' ); if ( to.length ) this.select( to ); } }, next: function() { if ( ! this.visible ) return; var to = this.selected ? this.selected.next( 'li' ) : $( 'li:not(.unselectable):first', this.element ); if ( to.length ) this.select( to ); }, ajax: function( callback ) { var self = this, delay = this.query.page == 1 ? 0 : wpLink.minRiverAJAXDuration, response = wpLink.delayedCallback( function( results, params ) { self.process( results, params ); if ( callback ) callback( results, params ); }, delay ); this.query.ajax( response ); }, change: function( search ) { if ( this.query && this._search == search ) return; this._search = search; this.query = new Query( search ); this.element.scrollTop( 0 ); }, process: function( results, params ) { var list = '', alt = true, classes = '', firstPage = params.page == 1; if ( ! results ) { if ( firstPage ) { list += '<li class="unselectable no-matches-found"><span class="item-title"><em>' + wpLinkL10n.noMatchesFound + '</em></span></li>'; } } else { $.each( results, function() { classes = alt ? 'alternate' : ''; classes += this.title ? '' : ' no-title'; list += classes ? '<li class="' + classes + '">' : '<li>'; list += '<input type="hidden" class="item-permalink" value="' + this.permalink + '" />'; list += '<span class="item-title">'; list += this.title ? this.title : wpLinkL10n.noTitle; list += '</span><span class="item-info">' + this.info + '</span></li>'; alt = ! alt; }); } this.ul[ firstPage ? 'html' : 'append' ]( list ); }, maybeLoad: function() { var self = this, el = this.element, bottom = el.scrollTop() + el.height(); if ( ! this.query.ready() \|\| bottom < this.contentHeight.height() - wpLink.riverBottomThreshold ) return; setTimeout(function() { var newTop = el.scrollTop(), newBottom = newTop + el.height(); if ( ! self.query.ready() \|\| newBottom < self.contentHeight.height() - wpLink.riverBottomThreshold ) return; self.waiting.addClass( 'is-active' ); el.scrollTop( newTop + self.waiting.outerHeight() ); self.ajax( function() { self.waiting.removeClass( 'is-active' ); }); }, wpLink.timeToTriggerRiver ); } }); Query = function( search ) { this.page = 1; this.allLoaded = false; this.querying = false; this.search = search; }; $.extend( Query.prototype, { ready: function() { return ! ( this.querying \|\| this.allLoaded ); }, ajax: function( callback ) { var self = this, query = { action : 'wp-link-ajax', page : this.page, '_ajax_linking_nonce' : inputs.nonce.val() }; if ( this.search ) query.search = this.search; this.querying = true; $.post( window.ajaxurl, query, function( r ) { self.page++; self.querying = false; self.allLoaded = ! r; callback( r, query ); }, 'json' ); } }); $( document ).ready( wpLink.init ); })( jQuery, window.wpLinkL10n, window.wp ); Back

Edit File : wplink.js | Size : 20.47 KB

/**
 * @output site-inc/js/wplink.js
 */

/* global wpLink */

( function( $, wpLinkL10n, wp ) {
	var editor, searchTimer, River, Query, correctedURL,
		emailRegexp = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,63}$/i,
		urlRegexp = /^(https?|ftp):\/\/[A-Z0-9.-]+\.[A-Z]{2,63}[^ "]*$/i,
		inputs = {},
		rivers = {},
		isTouch = ( 'ontouchend' in document );

function getLink() {
		if ( editor ) {
			return editor.$( 'a[data-wplink-edit="true"]' );
		}

return null;
	}

window.wpLink = {
		timeToTriggerRiver: 150,
		minRiverAJAXDuration: 200,
		riverBottomThreshold: 5,
		keySensitivity: 100,
		lastSearch: '',
		textarea: '',
		modalOpen: false,

init: function() {
			inputs.wrap = $('#wp-link-wrap');
			inputs.dialog = $( '#wp-link' );
			inputs.backdrop = $( '#wp-link-backdrop' );
			inputs.submit = $( '#wp-link-submit' );
			inputs.close = $( '#wp-link-close' );

// Input
			inputs.text = $( '#wp-link-text' );
			inputs.url = $( '#wp-link-url' );
			inputs.nonce = $( '#_ajax_linking_nonce' );
			inputs.openInNewTab = $( '#wp-link-target' );
			inputs.search = $( '#wp-link-search' );

// Build Rivers
			rivers.search = new River( $( '#search-results' ) );
			rivers.recent = new River( $( '#most-recent-results' ) );
			rivers.elements = inputs.dialog.find( '.query-results' );

// Get search notice text
			inputs.queryNotice = $( '#query-notice-message' );
			inputs.queryNoticeTextDefault = inputs.queryNotice.find( '.query-notice-default' );
			inputs.queryNoticeTextHint = inputs.queryNotice.find( '.query-notice-hint' );

// Bind event handlers
			inputs.dialog.keydown( wpLink.keydown );
			inputs.dialog.keyup( wpLink.keyup );
			inputs.submit.click( function( event ) {
				event.preventDefault();
				wpLink.update();
			});

inputs.close.add( inputs.backdrop ).add( '#wp-link-cancel button' ).click( function( event ) {
				event.preventDefault();
				wpLink.close();
			});

rivers.elements.on( 'river-select', wpLink.updateFields );

// Display 'hint' message when search field or 'query-results' box are focused
			inputs.search.on( 'focus.wplink', function() {
				inputs.queryNoticeTextDefault.hide();
				inputs.queryNoticeTextHint.removeClass( 'screen-reader-text' ).show();
			} ).on( 'blur.wplink', function() {
				inputs.queryNoticeTextDefault.show();
				inputs.queryNoticeTextHint.addClass( 'screen-reader-text' ).hide();
			} );

inputs.search.on( 'keyup input', function() {
				window.clearTimeout( searchTimer );
				searchTimer = window.setTimeout( function() {
					wpLink.searchInternalLinks();
				}, 500 );
			});

inputs.url.on( 'paste', function() {
				setTimeout( wpLink.correctURL, 0 );
			} );

inputs.url.on( 'blur', wpLink.correctURL );
		},

// If URL wasn't corrected last time and doesn't start with http:, https:, ? # or /, prepend http://
		correctURL: function () {
			var url = $.trim( inputs.url.val() );

if ( url && correctedURL !== url && ! /^(?:[a-z]+:|#|\?|\.|\/)/.test( url ) ) {
				inputs.url.val( 'http://' + url );
				correctedURL = url;
			}
		},

open: function( editorId, url, text ) {
			var ed,
				$body = $( document.body );

$body.addClass( 'modal-open' );
			wpLink.modalOpen = true;

wpLink.range = null;

if ( editorId ) {
				window.wpActiveEditor = editorId;
			}

if ( ! window.wpActiveEditor ) {
				return;
			}

this.textarea = $( '#' + window.wpActiveEditor ).get( 0 );

if ( typeof window.tinymce !== 'undefined' ) {
				// Make sure the link wrapper is the last element in the body,
				// or the inline editor toolbar may show above the backdrop.
				$body.append( inputs.backdrop, inputs.wrap );

ed = window.tinymce.get( window.wpActiveEditor );

if ( ed && ! ed.isHidden() ) {
					editor = ed;
				} else {
					editor = null;
				}
			}

if ( ! wpLink.isMCE() && document.selection ) {
				this.textarea.focus();
				this.range = document.selection.createRange();
			}

inputs.wrap.show();
			inputs.backdrop.show();

wpLink.refresh( url, text );

$( document ).trigger( 'wplink-open', inputs.wrap );
		},

isMCE: function() {
			return editor && ! editor.isHidden();
		},

refresh: function( url, text ) {
			var linkText = '';

// Refresh rivers (clear links, check visibility)
			rivers.search.refresh();
			rivers.recent.refresh();

if ( wpLink.isMCE() ) {
				wpLink.mceRefresh( url, text );
			} else {
				// For the Text editor the "Link text" field is always shown
				if ( ! inputs.wrap.hasClass( 'has-text-field' ) ) {
					inputs.wrap.addClass( 'has-text-field' );
				}

if ( document.selection ) {
					// Old IE
					linkText = document.selection.createRange().text || text || '';
				} else if ( typeof this.textarea.selectionStart !== 'undefined' &&
					( this.textarea.selectionStart !== this.textarea.selectionEnd ) ) {
					// W3C
					text = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd ) || text || '';
				}

inputs.text.val( text );
				wpLink.setDefaultValues();
			}

if ( isTouch ) {
				// Close the onscreen keyboard
				inputs.url.focus().blur();
			} else {
				// Focus the URL field and highlight its contents.
				// If this is moved above the selection changes,
				// IE will show a flashing cursor over the dialog.
				window.setTimeout( function() {
					inputs.url[0].select();
					inputs.url.focus();
				} );
			}

// Load the most recent results if this is the first time opening the panel.
			if ( ! rivers.recent.ul.children().length ) {
				rivers.recent.ajax();
			}

correctedURL = inputs.url.val().replace( /^http:\/\//, '' );
		},

hasSelectedText: function( linkNode ) {
			var node, nodes, i, html = editor.selection.getContent();

// Partial html and not a fully selected anchor element
			if ( /</.test( html ) && ( ! /^<a [^>]+>[^<]+<\/a>$/.test( html ) || html.indexOf('href=') === -1 ) ) {
				return false;
			}

if ( linkNode.length ) {
				nodes = linkNode[0].childNodes;

if ( ! nodes || ! nodes.length ) {
					return false;
				}

for ( i = nodes.length - 1; i >= 0; i-- ) {
					node = nodes[i];

if ( node.nodeType != 3 && ! window.tinymce.dom.BookmarkManager.isBookmarkNode( node ) ) {
						return false;
					}
				}
			}

return true;
		},

mceRefresh: function( searchStr, text ) {
			var linkText, href,
				linkNode = getLink(),
				onlyText = this.hasSelectedText( linkNode );

if ( linkNode.length ) {
				linkText = linkNode.text();
				href = linkNode.attr( 'href' );

if ( ! $.trim( linkText ) ) {
					linkText = text || '';
				}

if ( searchStr && ( urlRegexp.test( searchStr ) || emailRegexp.test( searchStr ) ) ) {
					href = searchStr;
				}

if ( href !== '_wp_link_placeholder' ) {
					inputs.url.val( href );
					inputs.openInNewTab.prop( 'checked', '_blank' === linkNode.attr( 'target' ) );
					inputs.submit.val( wpLinkL10n.update );
				} else {
					this.setDefaultValues( linkText );
				}

if ( searchStr && searchStr !== href ) {
					// The user has typed something in the inline dialog. Trigger a search with it.
					inputs.search.val( searchStr );
				} else {
					inputs.search.val( '' );
				}

// Always reset the search
				window.setTimeout( function() {
					wpLink.searchInternalLinks();
				} );
			} else {
				linkText = editor.selection.getContent({ format: 'text' }) || text || '';
				this.setDefaultValues( linkText );
			}

if ( onlyText ) {
				inputs.text.val( linkText );
				inputs.wrap.addClass( 'has-text-field' );
			} else {
				inputs.text.val( '' );
				inputs.wrap.removeClass( 'has-text-field' );
			}
		},

close: function( reset ) {
			$( document.body ).removeClass( 'modal-open' );
			wpLink.modalOpen = false;

if ( reset !== 'noReset' ) {
				if ( ! wpLink.isMCE() ) {
					wpLink.textarea.focus();

if ( wpLink.range ) {
						wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
						wpLink.range.select();
					}
				} else {
					if ( editor.plugins.wplink ) {
						editor.plugins.wplink.close();
					}

editor.focus();
				}
			}

inputs.backdrop.hide();
			inputs.wrap.hide();

correctedURL = false;

$( document ).trigger( 'wplink-close', inputs.wrap );
		},

getAttrs: function() {
			wpLink.correctURL();

return {
				href: $.trim( inputs.url.val() ),
				target: inputs.openInNewTab.prop( 'checked' ) ? '_blank' : null
			};
		},

buildHtml: function(attrs) {
			var html = '<a href="' + attrs.href + '"';

if ( attrs.target ) {
				html += ' rel="noopener" target="' + attrs.target + '"';
			}

return html + '>';
		},

update: function() {
			if ( wpLink.isMCE() ) {
				wpLink.mceUpdate();
			} else {
				wpLink.htmlUpdate();
			}
		},

htmlUpdate: function() {
			var attrs, text, html, begin, end, cursor, selection,
				textarea = wpLink.textarea;

if ( ! textarea ) {
				return;
			}

attrs = wpLink.getAttrs();
			text = inputs.text.val();

var parser = document.createElement( 'a' );
			parser.href = attrs.href;

if ( 'javascript:' === parser.protocol || 'data:' === parser.protocol ) { // jshint ignore:line
				attrs.href = '';
			}

// If there's no href, return.
			if ( ! attrs.href ) {
				return;
			}

html = wpLink.buildHtml(attrs);

// Insert HTML
			if ( document.selection && wpLink.range ) {
				// IE
				// Note: If no text is selected, IE will not place the cursor
				// inside the closing tag.
				textarea.focus();
				wpLink.range.text = html + ( text || wpLink.range.text ) + '</a>';
				wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
				wpLink.range.select();

wpLink.range = null;
			} else if ( typeof textarea.selectionStart !== 'undefined' ) {
				// W3C
				begin = textarea.selectionStart;
				end = textarea.selectionEnd;
				selection = text || textarea.value.substring( begin, end );
				html = html + selection + '</a>';
				cursor = begin + html.length;

// If no text is selected, place the cursor inside the closing tag.
				if ( begin === end && ! selection ) {
					cursor -= 4;
				}

textarea.value = (
					textarea.value.substring( 0, begin ) +
					html +
					textarea.value.substring( end, textarea.value.length )
				);

// Update cursor position
				textarea.selectionStart = textarea.selectionEnd = cursor;
			}

wpLink.close();
			textarea.focus();
			$( textarea ).trigger( 'change' );

// Audible confirmation message when a link has been inserted in the Editor.
			wp.a11y.speak( wpLinkL10n.linkInserted );
		},

mceUpdate: function() {
			var attrs = wpLink.getAttrs(),
				$link, text, hasText;

var parser = document.createElement( 'a' );
			parser.href = attrs.href;

if ( 'javascript:' === parser.protocol || 'data:' === parser.protocol ) { // jshint ignore:line
				attrs.href = '';
			}

if ( ! attrs.href ) {
				editor.execCommand( 'unlink' );
				wpLink.close();
				return;
			}

$link = getLink();

editor.undoManager.transact( function() {
				if ( ! $link.length ) {
					editor.execCommand( 'mceInsertLink', false, { href: '_wp_link_placeholder', 'data-wp-temp-link': 1 } );
					$link = editor.$( 'a[data-wp-temp-link="1"]' ).removeAttr( 'data-wp-temp-link' );
					hasText = $.trim( $link.text() );
				}

if ( ! $link.length ) {
					editor.execCommand( 'unlink' );
				} else {
					if ( inputs.wrap.hasClass( 'has-text-field' ) ) {
						text = inputs.text.val();

if ( text ) {
							$link.text( text );
						} else if ( ! hasText ) {
							$link.text( attrs.href );
						}
					}

attrs['data-wplink-edit'] = null;
					attrs['data-mce-href'] = attrs.href;
					$link.attr( attrs );
				}
			} );

wpLink.close( 'noReset' );
			editor.focus();

if ( $link.length ) {
				editor.selection.select( $link[0] );

if ( editor.plugins.wplink ) {
					editor.plugins.wplink.checkLink( $link[0] );
				}
			}

editor.nodeChanged();

// Audible confirmation message when a link has been inserted in the Editor.
			wp.a11y.speak( wpLinkL10n.linkInserted );
		},

updateFields: function( e, li ) {
			inputs.url.val( li.children( '.item-permalink' ).val() );

if ( inputs.wrap.hasClass( 'has-text-field' ) && ! inputs.text.val() ) {
				inputs.text.val( li.children( '.item-title' ).text() );
			}
		},

getUrlFromSelection: function( selection ) {
			if ( ! selection ) {
				if ( this.isMCE() ) {
					selection = editor.selection.getContent({ format: 'text' });
				} else if ( document.selection && wpLink.range ) {
					selection = wpLink.range.text;
				} else if ( typeof this.textarea.selectionStart !== 'undefined' ) {
					selection = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd );
				}
			}

selection = $.trim( selection );

if ( selection && emailRegexp.test( selection ) ) {
				// Selection is email address
				return 'mailto:' + selection;
			} else if ( selection && urlRegexp.test( selection ) ) {
				// Selection is URL
				return selection.replace( /&amp;|&#0?38;/gi, '&' );
			}

return '';
		},

setDefaultValues: function( selection ) {
			inputs.url.val( this.getUrlFromSelection( selection ) );

// Empty the search field and swap the "rivers".
			inputs.search.val('');
			wpLink.searchInternalLinks();

// Update save prompt.
			inputs.submit.val( wpLinkL10n.save );
		},

searchInternalLinks: function() {
			var waiting,
				search = inputs.search.val() || '';

if ( search.length > 2 ) {
				rivers.recent.hide();
				rivers.search.show();

// Don't search if the keypress didn't change the title.
				if ( wpLink.lastSearch == search )
					return;

wpLink.lastSearch = search;
				waiting = inputs.search.parent().find( '.spinner' ).addClass( 'is-active' );

rivers.search.change( search );
				rivers.search.ajax( function() {
					waiting.removeClass( 'is-active' );
				});
			} else {
				rivers.search.hide();
				rivers.recent.show();
			}
		},

next: function() {
			rivers.search.next();
			rivers.recent.next();
		},

prev: function() {
			rivers.search.prev();
			rivers.recent.prev();
		},

keydown: function( event ) {
			var fn, id;

// Escape key.
			if ( 27 === event.keyCode ) {
				wpLink.close();
				event.stopImmediatePropagation();
			// Tab key.
			} else if ( 9 === event.keyCode ) {
				id = event.target.id;

// wp-link-submit must always be the last focusable element in the dialog.
				// following focusable elements will be skipped on keyboard navigation.
				if ( id === 'wp-link-submit' && ! event.shiftKey ) {
					inputs.close.focus();
					event.preventDefault();
				} else if ( id === 'wp-link-close' && event.shiftKey ) {
					inputs.submit.focus();
					event.preventDefault();
				}
			}

// Up Arrow and Down Arrow keys.
			if ( event.shiftKey || ( 38 !== event.keyCode && 40 !== event.keyCode ) ) {
				return;
			}

if ( document.activeElement &&
				( document.activeElement.id === 'link-title-field' || document.activeElement.id === 'url-field' ) ) {
				return;
			}

// Up Arrow key.
			fn = 38 === event.keyCode ? 'prev' : 'next';
			clearInterval( wpLink.keyInterval );
			wpLink[ fn ]();
			wpLink.keyInterval = setInterval( wpLink[ fn ], wpLink.keySensitivity );
			event.preventDefault();
		},

keyup: function( event ) {
			// Up Arrow and Down Arrow keys.
			if ( 38 === event.keyCode || 40 === event.keyCode ) {
				clearInterval( wpLink.keyInterval );
				event.preventDefault();
			}
		},

delayedCallback: function( func, delay ) {
			var timeoutTriggered, funcTriggered, funcArgs, funcContext;

if ( ! delay )
				return func;

setTimeout( function() {
				if ( funcTriggered )
					return func.apply( funcContext, funcArgs );
				// Otherwise, wait.
				timeoutTriggered = true;
			}, delay );

return function() {
				if ( timeoutTriggered )
					return func.apply( this, arguments );
				// Otherwise, wait.
				funcArgs = arguments;
				funcContext = this;
				funcTriggered = true;
			};
		}
	};

River = function( element, search ) {
		var self = this;
		this.element = element;
		this.ul = element.children( 'ul' );
		this.contentHeight = element.children( '#link-selector-height' );
		this.waiting = element.find('.river-waiting');

this.change( search );
		this.refresh();

$( '#wp-link .query-results, #wp-link #link-selector' ).scroll( function() {
			self.maybeLoad();
		});
		element.on( 'click', 'li', function( event ) {
			self.select( $( this ), event );
		});
	};

$.extend( River.prototype, {
		refresh: function() {
			this.deselect();
			this.visible = this.element.is( ':visible' );
		},
		show: function() {
			if ( ! this.visible ) {
				this.deselect();
				this.element.show();
				this.visible = true;
			}
		},
		hide: function() {
			this.element.hide();
			this.visible = false;
		},
		// Selects a list item and triggers the river-select event.
		select: function( li, event ) {
			var liHeight, elHeight, liTop, elTop;

if ( li.hasClass( 'unselectable' ) || li == this.selected )
				return;

this.deselect();
			this.selected = li.addClass( 'selected' );
			// Make sure the element is visible
			liHeight = li.outerHeight();
			elHeight = this.element.height();
			liTop = li.position().top;
			elTop = this.element.scrollTop();

if ( liTop < 0 ) // Make first visible element
				this.element.scrollTop( elTop + liTop );
			else if ( liTop + liHeight > elHeight ) // Make last visible element
				this.element.scrollTop( elTop + liTop - elHeight + liHeight );

// Trigger the river-select event
			this.element.trigger( 'river-select', [ li, event, this ] );
		},
		deselect: function() {
			if ( this.selected )
				this.selected.removeClass( 'selected' );
			this.selected = false;
		},
		prev: function() {
			if ( ! this.visible )
				return;

var to;
			if ( this.selected ) {
				to = this.selected.prev( 'li' );
				if ( to.length )
					this.select( to );
			}
		},
		next: function() {
			if ( ! this.visible )
				return;

var to = this.selected ? this.selected.next( 'li' ) : $( 'li:not(.unselectable):first', this.element );
			if ( to.length )
				this.select( to );
		},
		ajax: function( callback ) {
			var self = this,
				delay = this.query.page == 1 ? 0 : wpLink.minRiverAJAXDuration,
				response = wpLink.delayedCallback( function( results, params ) {
					self.process( results, params );
					if ( callback )
						callback( results, params );
				}, delay );

this.query.ajax( response );
		},
		change: function( search ) {
			if ( this.query && this._search == search )
				return;

this._search = search;
			this.query = new Query( search );
			this.element.scrollTop( 0 );
		},
		process: function( results, params ) {
			var list = '', alt = true, classes = '',
				firstPage = params.page == 1;

if ( ! results ) {
				if ( firstPage ) {
					list += '<li class="unselectable no-matches-found">' +
						wpLinkL10n.noMatchesFound + '</li>';
				}
			} else {
				$.each( results, function() {
					classes = alt ? 'alternate' : '';
					classes += this.title ? '' : ' no-title';
					list += classes ? '<li class="' + classes + '">' : '<li>';
					list += '<input type="hidden" class="item-permalink" value="' + this.permalink + '" />';
					list += '';
					list += this.title ? this.title : wpLinkL10n.noTitle;
					list += '' + this.info + '</li>';
					alt = ! alt;
				});
			}

this.ul[ firstPage ? 'html' : 'append' ]( list );
		},
		maybeLoad: function() {
			var self = this,
				el = this.element,
				bottom = el.scrollTop() + el.height();

if ( ! this.query.ready() || bottom < this.contentHeight.height() - wpLink.riverBottomThreshold )
				return;

setTimeout(function() {
				var newTop = el.scrollTop(),
					newBottom = newTop + el.height();

if ( ! self.query.ready() || newBottom < self.contentHeight.height() - wpLink.riverBottomThreshold )
					return;

self.waiting.addClass( 'is-active' );
				el.scrollTop( newTop + self.waiting.outerHeight() );

self.ajax( function() {
					self.waiting.removeClass( 'is-active' );
				});
			}, wpLink.timeToTriggerRiver );
		}
	});

Query = function( search ) {
		this.page = 1;
		this.allLoaded = false;
		this.querying = false;
		this.search = search;
	};

$.extend( Query.prototype, {
		ready: function() {
			return ! ( this.querying || this.allLoaded );
		},
		ajax: function( callback ) {
			var self = this,
				query = {
					action : 'wp-link-ajax',
					page : this.page,
					'_ajax_linking_nonce' : inputs.nonce.val()
				};

if ( this.search )
				query.search = this.search;

this.querying = true;

$.post( window.ajaxurl, query, function( r ) {
				self.page++;
				self.querying = false;
				self.allLoaded = ! r;
				callback( r, query );
			}, 'json' );
		}
	});

$( document ).ready( wpLink.init );
})( jQuery, window.wpLinkL10n, window.wp );

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