534 lines
14 KiB
JavaScript
534 lines
14 KiB
JavaScript
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var wpLink;
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( function( $, wpLinkL10n, wp ) {
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var editor, correctedURL, linkNode,
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inputs = {},
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isTouch = ( 'ontouchend' in document );
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function getLink() {
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return linkNode || editor.dom.getParent( editor.selection.getNode(), 'a[href]' );
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}
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wpLink = {
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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.openInNewTab = $( '#wp-link-target' );
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if ( $.ui && $.ui.autocomplete ) {
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wpLink.setAutocomplete();
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}
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inputs.dialog.on( 'keydown', wpLink.keydown );
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inputs.submit.on( '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 button' ).click( function( event ) {
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event.preventDefault();
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wpLink.close();
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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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},
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setAutocomplete: function() {
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var $input = inputs.url,
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cache, last;
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$input.on( 'keydown', function() {
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$input.removeAttr( 'aria-activedescendant' );
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} ).autocomplete( {
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source: function( request, response ) {
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if ( last === request.term ) {
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response( cache );
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return;
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}
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if ( /^https?:/.test( request.term ) || request.term.indexOf( '.' ) !== -1 ) {
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return response();
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}
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$.post( window.ajaxurl, {
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action: 'wp-link-ajax',
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page: 1,
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search: request.term,
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_ajax_linking_nonce: $( '#_ajax_linking_nonce' ).val()
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}, function( data ) {
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cache = data;
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response( data );
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}, 'json' );
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last = request.term;
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},
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focus: function( event, ui ) {
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$input.attr( 'aria-activedescendant', 'mce-wp-autocomplete-' + ui.item.ID );
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/*
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* Don't empty the URL input field, when using the arrow keys to
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* highlight items. See api.jqueryui.com/autocomplete/#event-focus
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*/
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event.preventDefault();
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},
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select: function( event, ui ) {
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$input.val( ui.item.permalink );
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if ( inputs.wrap.hasClass( 'has-text-field' ) && $.trim( inputs.text.val() ) === '' ) {
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inputs.text.val( ui.item.title );
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}
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// Audible confirmation message when a link has been selected.
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wp.a11y.speak( wpLinkL10n.linkSelected );
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return false;
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},
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open: function() {
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$input.attr( 'aria-expanded', 'true' );
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},
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close: function() {
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$input.attr( 'aria-expanded', 'false' );
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},
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minLength: 2,
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position: {
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my: 'left top+2'
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},
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messages: {
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noResults: ( typeof window.uiAutocompleteL10n !== 'undefined' ) ? window.uiAutocompleteL10n.noResults : '',
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results: function( number ) {
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if ( typeof window.uiAutocompleteL10n !== 'undefined' ) {
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if ( number > 1 ) {
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return window.uiAutocompleteL10n.manyResults.replace( '%d', number );
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}
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return window.uiAutocompleteL10n.oneResult;
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}
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}
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}
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} ).autocomplete( 'instance' )._renderItem = function( ul, item ) {
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return $( '<li role="option" id="mce-wp-autocomplete-' + item.ID + '">' )
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.append( '<span class="item-title">' + item.title + '</span> <span class="item-date alignright">' + item.info + '</span>' )
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.appendTo( ul );
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};
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$input.attr( {
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'aria-owns': $input.autocomplete( 'widget' ).attr( 'id' )
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} )
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.on( 'focus', function() {
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var inputValue = $input.val();
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/*
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* Don't trigger a search if the URL field already has a link or is empty.
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* Also, avoids screen readers announce `No search results`.
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*/
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if ( inputValue && ! /^https?:/.test( inputValue ) ) {
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$input.autocomplete( 'search' );
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}
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} )
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.autocomplete( 'widget' )
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.addClass( 'wplink-autocomplete' )
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.attr( 'role', 'listbox' )
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.removeAttr( 'tabindex' ); // Remove the `tabindex=0` attribute added by jQuery UI.
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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: function () {
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var url = $.trim( inputs.url.val() );
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if ( url && correctedURL !== url && ! /^(?:[a-z]+:|#|\?|\.|\/)/.test( url ) ) {
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inputs.url.val( 'http://' + url );
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correctedURL = url;
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}
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},
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open: function( editorId, url, text, node ) {
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var ed,
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$body = $( document.body );
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$body.addClass( 'modal-open' );
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linkNode = node;
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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 = $( '#' + window.wpActiveEditor ).get( 0 );
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if ( typeof window.tinymce !== 'undefined' ) {
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// Make sure the link wrapper is the last element in the body,
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// or the inline editor toolbar may show above the backdrop.
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$body.append( inputs.backdrop, inputs.wrap );
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ed = window.tinymce.get( window.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 && window.tinymce.isIE ) {
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editor.windowManager.wplinkBookmark = 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( url, text );
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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( url, text ) {
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var linkText = '';
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if ( wpLink.isMCE() ) {
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wpLink.mceRefresh( url, text );
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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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linkText = document.selection.createRange().text || 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 ) || text || '';
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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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window.setTimeout( function() {
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inputs.url.focus()[0].select();
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} );
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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 node, nodes, i, 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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nodes = linkNode.childNodes;
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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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node = nodes[i];
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if ( node.nodeType != 3 && ! window.tinymce.dom.BookmarkManager.isBookmarkNode( node ) ) {
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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( url, text ) {
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var linkText,
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linkNode = getLink(),
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onlyText = this.hasSelectedText( linkNode );
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if ( linkNode ) {
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linkText = linkNode.innerText || linkNode.textContent;
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if ( ! $.trim( linkText ) ) {
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linkText = text || '';
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}
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url = url || editor.dom.getAttrib( linkNode, 'href' );
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if ( url !== '_wp_link_placeholder' ) {
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inputs.url.val( url );
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inputs.openInNewTab.prop( 'checked', '_blank' === editor.dom.getAttrib( linkNode, 'target' ) );
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inputs.submit.val( wpLinkL10n.update );
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} else {
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this.setDefaultValues( linkText );
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}
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} else {
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linkText = editor.selection.getContent({ format: 'text' }) || text || '';
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this.setDefaultValues( linkText );
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}
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if ( onlyText ) {
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inputs.text.val( linkText );
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inputs.wrap.addClass( 'has-text-field' );
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} else {
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inputs.text.val( '' );
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inputs.wrap.removeClass( 'has-text-field' );
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}
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},
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close: function( reset ) {
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$( document.body ).removeClass( 'modal-open' );
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if ( reset !== 'noReset' ) {
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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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if ( editor.plugins.wplink ) {
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editor.plugins.wplink.close();
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}
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editor.focus();
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}
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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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wpLink.correctURL();
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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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// Audible confirmation message when a link has been inserted in the Editor.
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wp.a11y.speak( wpLinkL10n.linkInserted );
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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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editor.focus();
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if ( window.tinymce.isIE && editor.windowManager.wplinkBookmark ) {
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editor.selection.moveToBookmark( editor.windowManager.wplinkBookmark );
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editor.windowManager.wplinkBookmark = null;
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}
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if ( ! attrs.href ) {
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editor.execCommand( 'unlink' );
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wpLink.close();
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return;
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}
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link = getLink();
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if ( inputs.wrap.hasClass( 'has-text-field' ) ) {
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text = inputs.text.val() || attrs.href;
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}
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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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// Not editing any more
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attrs['data-wplink-edit'] = null;
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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, editor.dom.encode( 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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wpLink.close( 'noReset' );
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editor.focus();
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editor.nodeChanged();
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// Audible confirmation message when a link has been inserted in the Editor.
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wp.a11y.speak( wpLinkL10n.linkInserted );
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},
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keydown: function( event ) {
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var 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.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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},
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getUrlFromSelection: function( selection ) {
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var 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 ( ! selection ) {
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if ( this.isMCE() ) {
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selection = editor.selection.getContent({ format: 'text' });
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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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}
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selection = $.trim( selection );
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if ( selection && emailRegexp.test( selection ) ) {
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// Selection is email address
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return 'mailto:' + selection;
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} else if ( selection && urlRegexp.test( selection ) ) {
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// Selection is URL
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return selection.replace( /&|�?38;/gi, '&' );
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}
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return '';
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},
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setDefaultValues: function( selection ) {
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inputs.url.val( this.getUrlFromSelection( selection ) );
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// Update save prompt.
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inputs.submit.val( wpLinkL10n.save );
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}
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};
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$( document ).ready( wpLink.init );
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})( jQuery, window.wpLinkL10n, window.wp );
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