713 lines
18 KiB
JavaScript
713 lines
18 KiB
JavaScript
/* global ajaxurl, tinymce, wpLinkL10n, setUserSetting, wpActiveEditor */
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var wpLink;
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( function( $ ) {
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var editor, searchTimer, River, Query, correctedURL,
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inputs = {},
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rivers = {},
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isTouch = ( 'ontouchend' in document );
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function getLink() {
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return editor.dom.getParent( editor.selection.getNode(), 'a' );
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}
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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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init: function() {
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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.text = $( '#wp-link-text' );
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inputs.url = $( '#wp-link-url' );
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inputs.nonce = $( '#_ajax_linking_nonce' );
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inputs.openInNewTab = $( '#wp-link-target' );
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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 = $( '#query-notice-message' );
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inputs.queryNoticeTextDefault = inputs.queryNotice.find( '.query-notice-default' );
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inputs.queryNoticeTextHint = inputs.queryNotice.find( '.query-notice-hint' );
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// Bind event handlers
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inputs.dialog.keydown( wpLink.keydown );
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inputs.dialog.keyup( wpLink.keyup );
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inputs.submit.click( function( event ) {
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event.preventDefault();
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wpLink.update();
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});
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inputs.close.add( inputs.backdrop ).add( '#wp-link-cancel a' ).click( function( event ) {
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event.preventDefault();
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wpLink.close();
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});
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$( '#wp-link-search-toggle' ).on( 'click', wpLink.toggleInternalLinking );
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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.on( 'focus.wplink', function() {
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inputs.queryNoticeTextDefault.hide();
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inputs.queryNoticeTextHint.removeClass( 'screen-reader-text' ).show();
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} ).on( 'blur.wplink', function() {
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inputs.queryNoticeTextDefault.show();
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inputs.queryNoticeTextHint.addClass( 'screen-reader-text' ).hide();
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} );
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inputs.search.on( 'keyup input', function() {
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var self = this;
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window.clearTimeout( searchTimer );
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searchTimer = window.setTimeout( function() {
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wpLink.searchInternalLinks.call( self );
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}, 500 );
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});
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function correctURL() {
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var url = $.trim( inputs.url.val() );
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if ( url && correctedURL !== url && ! /^(?:[a-z]+:|#|\?|\.|\/)/.test( url ) ) {
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inputs.url.val( 'http://' + url );
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correctedURL = url;
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}
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}
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inputs.url.on( 'paste', function() {
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setTimeout( correctURL, 0 );
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} );
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inputs.url.on( 'blur', correctURL );
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},
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open: function( editorId ) {
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var ed;
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$( document.body ).addClass( 'modal-open' );
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wpLink.range = null;
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if ( editorId ) {
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window.wpActiveEditor = editorId;
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}
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if ( ! window.wpActiveEditor ) {
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return;
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}
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this.textarea = $( '#' + window.wpActiveEditor ).get( 0 );
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if ( typeof tinymce !== 'undefined' ) {
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ed = tinymce.get( wpActiveEditor );
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if ( ed && ! ed.isHidden() ) {
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editor = ed;
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} else {
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editor = null;
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}
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if ( editor && tinymce.isIE ) {
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editor.windowManager.bookmark = editor.selection.getBookmark();
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}
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}
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if ( ! wpLink.isMCE() && document.selection ) {
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this.textarea.focus();
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this.range = document.selection.createRange();
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}
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inputs.wrap.show();
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inputs.backdrop.show();
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wpLink.refresh();
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$( document ).trigger( 'wplink-open', inputs.wrap );
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},
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isMCE: function() {
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return editor && ! editor.isHidden();
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},
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refresh: function() {
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var text = '';
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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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if ( wpLink.isMCE() ) {
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wpLink.mceRefresh();
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} else {
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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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text = document.selection.createRange().text || '';
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} else if ( typeof this.textarea.selectionStart !== 'undefined' &&
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( this.textarea.selectionStart !== this.textarea.selectionEnd ) ) {
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// W3C
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text = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd ) || '';
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}
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inputs.text.val( text );
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wpLink.setDefaultValues();
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}
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if ( isTouch ) {
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// Close the onscreen keyboard
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inputs.url.focus().blur();
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} else {
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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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inputs.url.focus()[0].select();
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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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hasSelectedText: function( linkNode ) {
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var html = editor.selection.getContent();
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// Partial html and not a fully selected anchor element
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if ( /</.test( html ) && ( ! /^<a [^>]+>[^<]+<\/a>$/.test( html ) || html.indexOf('href=') === -1 ) ) {
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return false;
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}
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if ( linkNode ) {
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var nodes = linkNode.childNodes, i;
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if ( nodes.length === 0 ) {
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return false;
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}
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for ( i = nodes.length - 1; i >= 0; i-- ) {
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if ( nodes[i].nodeType != 3 ) {
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return false;
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}
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}
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}
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return true;
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},
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mceRefresh: function() {
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var text,
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selectedNode = editor.selection.getNode(),
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linkNode = editor.dom.getParent( selectedNode, 'a[href]' ),
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onlyText = this.hasSelectedText( linkNode );
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if ( linkNode ) {
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text = linkNode.innerText || linkNode.textContent;
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inputs.url.val( editor.dom.getAttrib( linkNode, 'href' ) );
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inputs.openInNewTab.prop( 'checked', '_blank' === editor.dom.getAttrib( linkNode, 'target' ) );
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inputs.submit.val( wpLinkL10n.update );
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} else {
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text = editor.selection.getContent({ format: 'text' });
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this.setDefaultValues();
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}
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if ( onlyText ) {
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inputs.text.val( text || '' );
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inputs.wrap.addClass( 'has-text-field' );
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} else {
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inputs.text.val( '' );
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inputs.wrap.removeClass( 'has-text-field' );
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}
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},
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close: function() {
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$( document.body ).removeClass( 'modal-open' );
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if ( ! wpLink.isMCE() ) {
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wpLink.textarea.focus();
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if ( wpLink.range ) {
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wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
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wpLink.range.select();
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}
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} else {
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editor.focus();
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}
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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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getAttrs: function() {
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return {
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href: $.trim( inputs.url.val() ),
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target: inputs.openInNewTab.prop( 'checked' ) ? '_blank' : ''
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};
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},
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buildHtml: function(attrs) {
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var html = '<a href="' + attrs.href + '"';
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if ( attrs.target ) {
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html += ' target="' + attrs.target + '"';
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}
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return html + '>';
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},
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update: function() {
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if ( wpLink.isMCE() ) {
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wpLink.mceUpdate();
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} else {
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wpLink.htmlUpdate();
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}
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},
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htmlUpdate: function() {
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var attrs, text, html, begin, end, cursor, selection,
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textarea = wpLink.textarea;
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if ( ! textarea ) {
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return;
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}
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attrs = wpLink.getAttrs();
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text = inputs.text.val();
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// If there's no href, return.
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if ( ! attrs.href ) {
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return;
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}
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html = wpLink.buildHtml(attrs);
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// Insert HTML
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if ( document.selection && wpLink.range ) {
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// IE
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// Note: If no text is selected, IE will not place the cursor
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// inside the closing tag.
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textarea.focus();
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wpLink.range.text = html + ( text || wpLink.range.text ) + '</a>';
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wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
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wpLink.range.select();
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wpLink.range = null;
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} else if ( typeof textarea.selectionStart !== 'undefined' ) {
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// W3C
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begin = textarea.selectionStart;
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end = textarea.selectionEnd;
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selection = text || textarea.value.substring( begin, end );
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html = html + selection + '</a>';
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cursor = begin + html.length;
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// If no text is selected, place the cursor inside the closing tag.
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if ( begin === end && ! selection ) {
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cursor -= 4;
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}
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textarea.value = (
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textarea.value.substring( 0, begin ) +
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html +
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textarea.value.substring( end, textarea.value.length )
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);
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// Update cursor position
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textarea.selectionStart = textarea.selectionEnd = cursor;
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}
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wpLink.close();
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textarea.focus();
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},
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mceUpdate: function() {
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var attrs = wpLink.getAttrs(),
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link, text;
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wpLink.close();
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editor.focus();
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if ( tinymce.isIE ) {
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editor.selection.moveToBookmark( editor.windowManager.bookmark );
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}
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if ( ! attrs.href ) {
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editor.execCommand( 'unlink' );
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return;
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}
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link = getLink();
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text = inputs.text.val() || attrs.href;
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if ( link ) {
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if ( text ) {
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if ( 'innerText' in link ) {
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link.innerText = text;
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} else {
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link.textContent = text;
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}
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}
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editor.dom.setAttribs( link, attrs );
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} else {
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if ( text ) {
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editor.selection.setNode( editor.dom.create( 'a', attrs, text ) );
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} else {
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editor.execCommand( 'mceInsertLink', false, attrs );
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}
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}
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editor.nodeChanged();
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},
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updateFields: function( e, li ) {
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inputs.url.val( li.children( '.item-permalink' ).val() );
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},
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setDefaultValues: function() {
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var selection,
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emailRegexp = /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i,
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urlRegexp = /^(https?|ftp):\/\/[A-Z0-9.-]+\.[A-Z]{2,4}[^ "]*$/i;
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if ( this.isMCE() ) {
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selection = editor.selection.getContent();
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} else if ( document.selection && wpLink.range ) {
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selection = wpLink.range.text;
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} else if ( typeof this.textarea.selectionStart !== 'undefined' ) {
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selection = this.textarea.value.substring( this.textarea.selectionStart, this.textarea.selectionEnd );
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}
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if ( selection && emailRegexp.test( selection ) ) {
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// Selection is email address
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inputs.url.val( 'mailto:' + selection );
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} else if ( selection && urlRegexp.test( selection ) ) {
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// Selection is URL
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inputs.url.val( selection.replace( /&|�?38;/gi, '&' ) );
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} else {
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// Set URL to default.
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inputs.url.val( '' );
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}
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// Update save prompt.
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inputs.submit.val( wpLinkL10n.save );
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},
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searchInternalLinks: function() {
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var t = $( this ), waiting,
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search = t.val();
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if ( search.length > 2 ) {
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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 )
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return;
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wpLink.lastSearch = search;
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waiting = t.parent().find( '.spinner' ).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: function() {
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rivers.search.next();
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rivers.recent.next();
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},
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prev: function() {
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rivers.search.prev();
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rivers.recent.prev();
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},
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keydown: function( event ) {
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var fn, id,
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key = $.ui.keyCode;
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if ( key.ESCAPE === event.keyCode ) {
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wpLink.close();
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event.stopImmediatePropagation();
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} else if ( key.TAB === 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.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.focus();
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event.preventDefault();
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}
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}
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if ( event.keyCode !== key.UP && event.keyCode !== key.DOWN ) {
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return;
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}
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if ( document.activeElement &&
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( document.activeElement.id === 'link-title-field' || document.activeElement.id === 'url-field' ) ) {
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return;
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}
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fn = event.keyCode === key.UP ? 'prev' : 'next';
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clearInterval( wpLink.keyInterval );
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wpLink[ fn ]();
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wpLink.keyInterval = setInterval( wpLink[ fn ], wpLink.keySensitivity );
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event.preventDefault();
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},
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keyup: function( event ) {
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var key = $.ui.keyCode;
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if ( event.which === key.UP || event.which === key.DOWN ) {
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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: function( func, delay ) {
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var timeoutTriggered, funcTriggered, funcArgs, funcContext;
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if ( ! delay )
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return func;
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setTimeout( function() {
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if ( funcTriggered )
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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 )
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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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toggleInternalLinking: function( event ) {
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var visible = inputs.wrap.hasClass( 'search-panel-visible' );
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inputs.wrap.toggleClass( 'search-panel-visible', ! visible );
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setUserSetting( 'wplink', visible ? '0' : '1' );
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inputs[ ! visible ? 'search' : 'url' ].focus();
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event.preventDefault();
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}
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};
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River = function( element, search ) {
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var 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' ).scroll( function() {
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self.maybeLoad();
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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: function() {
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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: function() {
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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: function() {
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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: function( li, event ) {
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var liHeight, elHeight, liTop, elTop;
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if ( li.hasClass( 'unselectable' ) || li == this.selected )
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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( ajaxurl, query, function( r ) {
|
|
self.page++;
|
|
self.querying = false;
|
|
self.allLoaded = ! r;
|
|
callback( r, query );
|
|
}, 'json' );
|
|
}
|
|
});
|
|
|
|
$( document ).ready( wpLink.init );
|
|
})( jQuery );
|