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[autoinstalls/wordpress.git] / wp-includes / js / tinymce / plugins / wplink / plugin.js
index eef8940c63545e95bb19f380d75857fb1e216a61..c7836b3763cc63464ae8aa9259469be9fd2ed197 100644 (file)
                                        url = url.slice( 0, -1 );
                                }
 
+                               // If nothing's left (maybe the URL was just a fragment), use the whole URL.
+                               if ( url === '' ) {
+                                       url = this.url;
+                               }
+
                                // If the URL is longer that 40 chars, concatenate the beginning (after the domain) and ending with ...
                                if ( url.length > 40 && ( index = url.indexOf( '/' ) ) !== -1 && ( lastIndex = url.lastIndexOf( '/' ) ) !== -1 && lastIndex !== index ) {
                                        // If the beginning + ending are shorter that 40 chars, show more of the ending
                                        if ( index + url.length - lastIndex < 40 ) {
-                                               lastIndex =  -( 40 - ( index + 1 ) );
+                                               lastIndex = -( 40 - ( index + 1 ) );
                                        }
 
                                        url = url.slice( 0, index + 1 ) + '\u2026' + url.slice( lastIndex );
                }
        } );
 
+       tinymce.ui.WPLinkInput = tinymce.ui.Control.extend( {
+               renderHtml: function() {
+                       return (
+                               '<div id="' + this._id + '" class="wp-link-input">' +
+                                       '<input type="text" value="" placeholder="' + tinymce.translate( 'Paste URL or type to search' ) + '" />' +
+                                       '<input type="text" style="display:none" value="" />' +
+                               '</div>'
+                       );
+               },
+               setURL: function( url ) {
+                       this.getEl().firstChild.value = url;
+               },
+               getURL: function() {
+                       return tinymce.trim( this.getEl().firstChild.value );
+               },
+               getLinkText: function() {
+                       var text = this.getEl().firstChild.nextSibling.value;
+
+                       if ( ! tinymce.trim( text ) ) {
+                               return '';
+                       }
+
+                       return text.replace( /[\r\n\t ]+/g, ' ' );
+               },
+               reset: function() {
+                       var urlInput = this.getEl().firstChild;
+
+                       urlInput.value = '';
+                       urlInput.nextSibling.value = '';
+               }
+       } );
+
        tinymce.PluginManager.add( 'wplink', function( editor ) {
                var toolbar;
+               var editToolbar;
+               var previewInstance;
+               var inputInstance;
+               var linkNode;
+               var doingUndoRedo;
+               var doingUndoRedoTimer;
+               var $ = window.jQuery;
+
+               function getSelectedLink() {
+                       var href, html,
+                               node = editor.selection.getNode(),
+                               link = editor.dom.getParent( node, 'a[href]' );
+
+                       if ( ! link ) {
+                               html = editor.selection.getContent({ format: 'raw' });
+
+                               if ( html && html.indexOf( '</a>' ) !== -1 ) {
+                                       href = html.match( /href="([^">]+)"/ );
+
+                                       if ( href && href[1] ) {
+                                               link = editor.$( 'a[href="' + href[1] + '"]', node )[0];
+                                       }
+
+                                       if ( link ) {
+                                               editor.selection.select( link );
+                                       }
+                               }
+                       }
+
+                       return link;
+               }
+
+               function removePlaceholders() {
+                       editor.$( 'a' ).each( function( i, element ) {
+                               var $element = editor.$( element );
+
+                               if ( $element.attr( 'href' ) === '_wp_link_placeholder' ) {
+                                       editor.dom.remove( element, true );
+                               } else if ( $element.attr( 'data-wplink-edit' ) ) {
+                                       $element.attr( 'data-wplink-edit', null );
+                               }
+                       });
+               }
+
+               function removePlaceholderStrings( content, dataAttr ) {
+                       if ( dataAttr ) {
+                               content = content.replace( / data-wplink-edit="true"/g, '' );
+                       }
+
+                       return content.replace( /<a [^>]*?href="_wp_link_placeholder"[^>]*>([\s\S]+)<\/a>/g, '$1' );
+               }
+
+               editor.on( 'preinit', function() {
+                       if ( editor.wp && editor.wp._createToolbar ) {
+                               toolbar = editor.wp._createToolbar( [
+                                       'wp_link_preview',
+                                       'wp_link_edit',
+                                       'wp_link_remove'
+                               ], true );
+
+                               var editButtons = [
+                                       'wp_link_input',
+                                       'wp_link_apply'
+                               ];
+
+                               if ( typeof window.wpLink !== 'undefined' ) {
+                                       editButtons.push( 'wp_link_advanced' );
+                               }
+
+                               editToolbar = editor.wp._createToolbar( editButtons, true );
+
+                               editToolbar.on( 'show', function() {
+                                       if ( ! tinymce.$( document.body ).hasClass( 'modal-open' ) ) {
+                                               window.setTimeout( function() {
+                                                       var element = editToolbar.$el.find( 'input.ui-autocomplete-input' )[0],
+                                                               selection = linkNode && ( linkNode.textContent || linkNode.innerText );
+
+                                                       if ( element ) {
+                                                               if ( ! element.value && selection && typeof window.wpLink !== 'undefined' ) {
+                                                                       element.value = window.wpLink.getUrlFromSelection( selection );
+                                                               }
+
+                                                               if ( ! doingUndoRedo ) {
+                                                                       element.focus();
+                                                                       element.select();
+                                                               }
+                                                       }
+                                               } );
+                                       }
+                               } );
+
+                               editToolbar.on( 'hide', function() {
+                                       if ( ! editToolbar.scrolling ) {
+                                               editor.execCommand( 'wp_link_cancel' );
+                                       }
+                               } );
+                       }
+               } );
 
                editor.addCommand( 'WP_Link', function() {
-                       window.wpLink && window.wpLink.open( editor.id );
-               });
+                       if ( tinymce.Env.ie && tinymce.Env.ie < 10 && typeof window.wpLink !== 'undefined' ) {
+                               window.wpLink.open( editor.id );
+                               return;
+                       }
+
+                       linkNode = getSelectedLink();
+                       editToolbar.tempHide = false;
+
+                       if ( linkNode ) {
+                               editor.dom.setAttribs( linkNode, { 'data-wplink-edit': true } );
+                       } else {
+                               removePlaceholders();
+                               editor.execCommand( 'mceInsertLink', false, { href: '_wp_link_placeholder' } );
+
+                               linkNode = editor.$( 'a[href="_wp_link_placeholder"]' )[0];
+                               editor.nodeChanged();
+                       }
+               } );
+
+               editor.addCommand( 'wp_link_apply', function() {
+                       if ( editToolbar.scrolling ) {
+                               return;
+                       }
+
+                       var href, text;
+
+                       if ( linkNode ) {
+                               href = inputInstance.getURL();
+                               text = inputInstance.getLinkText();
+                               editor.focus();
+
+                               if ( ! href ) {
+                                       editor.dom.remove( linkNode, true );
+                                       return;
+                               }
+
+                               if ( ! /^(?:[a-z]+:|#|\?|\.|\/)/.test( href ) ) {
+                                       href = 'http://' + href;
+                               }
+
+                               editor.dom.setAttribs( linkNode, { href: href, 'data-wplink-edit': null } );
+
+                               if ( ! tinymce.trim( linkNode.innerHTML ) ) {
+                                       editor.$( linkNode ).text( text || href );
+                               }
+                       }
+
+                       inputInstance.reset();
+                       editor.nodeChanged();
+
+                       // Audible confirmation message when a link has been inserted in the Editor.
+                       if ( typeof window.wp !== 'undefined' && window.wp.a11y && typeof window.wpLinkL10n !== 'undefined' ) {
+                               window.wp.a11y.speak( window.wpLinkL10n.linkInserted );
+                       }
+               } );
+
+               editor.addCommand( 'wp_link_cancel', function() {
+                       if ( ! editToolbar.tempHide ) {
+                               inputInstance.reset();
+                               removePlaceholders();
+                               editor.focus();
+                               editToolbar.tempHide = false;
+                       }
+               } );
 
                // WP default shortcut
                editor.addShortcut( 'access+a', '', 'WP_Link' );
                        }
                } );
 
+               // Remove any remaining placeholders on saving.
+               editor.on( 'savecontent', function( event ) {
+                       event.content = removePlaceholderStrings( event.content, true );
+               });
+
+               // Prevent adding undo levels on inserting link placeholder.
+               editor.on( 'BeforeAddUndo', function( event ) {
+                       if ( event.lastLevel && event.lastLevel.content && event.level.content &&
+                               event.lastLevel.content === removePlaceholderStrings( event.level.content ) ) {
+
+                               event.preventDefault();
+                       }
+               });
+
+               // When doing undo and redo with keyboard shortcuts (Ctrl|Cmd+Z, Ctrl|Cmd+Shift+Z, Ctrl|Cmd+Y),
+               // set a flag to not focus the inline dialog. The editor has to remain focused so the users can do consecutive undo/redo.
+               editor.on( 'keydown', function( event ) {
+                       if ( event.altKey || ( tinymce.Env.mac && ( ! event.metaKey || event.ctrlKey ) ) ||
+                               ( ! tinymce.Env.mac && ! event.ctrlKey ) ) {
+
+                               return;
+                       }
+
+                       if ( event.keyCode === 89 || event.keyCode === 90 ) { // Y or Z
+                               doingUndoRedo = true;
+
+                               window.clearTimeout( doingUndoRedoTimer );
+                               doingUndoRedoTimer = window.setTimeout( function() {
+                                       doingUndoRedo = false;
+                               }, 500 );
+                       }
+               } );
+
                editor.addButton( 'wp_link_preview', {
                        type: 'WPLinkPreview',
                        onPostRender: function() {
-                               var self = this;
+                               previewInstance = this;
+                       }
+               } );
+
+               editor.addButton( 'wp_link_input', {
+                       type: 'WPLinkInput',
+                       onPostRender: function() {
+                               var element = this.getEl(),
+                                       input = element.firstChild,
+                                       $input, cache, last;
+
+                               inputInstance = this;
+
+                               if ( $ && $.ui && $.ui.autocomplete ) {
+                                       $input = $( input );
+
+                                       $input.on( 'keydown', function() {
+                                               $input.removeAttr( 'aria-activedescendant' );
+                                       } )
+                                       .autocomplete( {
+                                               source: function( request, response ) {
+                                                       if ( last === request.term ) {
+                                                               response( cache );
+                                                               return;
+                                                       }
 
-                               editor.on( 'wptoolbar', function( event ) {
-                                       var anchor = editor.dom.getParent( event.element, 'a' ),
-                                               $anchor,
-                                               href;
+                                                       if ( /^https?:/.test( request.term ) || request.term.indexOf( '.' ) !== -1 ) {
+                                                               return response();
+                                                       }
 
-                                       if ( anchor ) {
-                                               $anchor = editor.$( anchor );
-                                               href = $anchor.attr( 'href' );
+                                                       $.post( window.ajaxurl, {
+                                                               action: 'wp-link-ajax',
+                                                               page: 1,
+                                                               search: request.term,
+                                                               _ajax_linking_nonce: $( '#_ajax_linking_nonce' ).val()
+                                                       }, function( data ) {
+                                                               cache = data;
+                                                               response( data );
+                                                       }, 'json' );
 
-                                               if ( href && ! $anchor.find( 'img' ).length ) {
-                                                       self.setURL( href );
-                                                       event.element = anchor;
-                                                       event.toolbar = toolbar;
+                                                       last = request.term;
+                                               },
+                                               focus: function( event, ui ) {
+                                                       $input.attr( 'aria-activedescendant', 'mce-wp-autocomplete-' + ui.item.ID );
+                                                       /*
+                                                        * Don't empty the URL input field, when using the arrow keys to
+                                                        * highlight items. See api.jqueryui.com/autocomplete/#event-focus
+                                                        */
+                                                       event.preventDefault();
+                                               },
+                                               select: function( event, ui ) {
+                                                       $input.val( ui.item.permalink );
+                                                       $( element.firstChild.nextSibling ).val( ui.item.title );
+
+                                                       if ( 9 === event.keyCode && typeof window.wp !== 'undefined' &&
+                                                               window.wp.a11y && typeof window.wpLinkL10n !== 'undefined' ) {
+                                                               // Audible confirmation message when a link has been selected.
+                                                               window.wp.a11y.speak( window.wpLinkL10n.linkSelected );
+                                                       }
+
+                                                       return false;
+                                               },
+                                               open: function() {
+                                                       $input.attr( 'aria-expanded', 'true' );
+                                                       editToolbar.blockHide = true;
+                                               },
+                                               close: function() {
+                                                       $input.attr( 'aria-expanded', 'false' );
+                                                       editToolbar.blockHide = false;
+                                               },
+                                               minLength: 2,
+                                               position: {
+                                                       my: 'left top+2'
+                                               },
+                                               messages: {
+                                                       noResults: ( typeof window.uiAutocompleteL10n !== 'undefined' ) ? window.uiAutocompleteL10n.noResults : '',
+                                                       results: function( number ) {
+                                                               if ( typeof window.uiAutocompleteL10n !== 'undefined' ) {
+                                                                       if ( number > 1 ) {
+                                                                               return window.uiAutocompleteL10n.manyResults.replace( '%d', number );
+                                                                       }
+
+                                                                       return window.uiAutocompleteL10n.oneResult;
+                                                               }
+                                                       }
+                                               }
+                                       } ).autocomplete( 'instance' )._renderItem = function( ul, item ) {
+                                               return $( '<li role="option" id="mce-wp-autocomplete-' + item.ID + '">' )
+                                               .append( '<span>' + item.title + '</span>&nbsp;<span class="wp-editor-float-right">' + item.info + '</span>' )
+                                               .appendTo( ul );
+                                       };
+
+                                       $input.attr( {
+                                               'role': 'combobox',
+                                               'aria-autocomplete': 'list',
+                                               'aria-expanded': 'false',
+                                               'aria-owns': $input.autocomplete( 'widget' ).attr( 'id' )
+                                       } )
+                                       .on( 'focus', function() {
+                                               var inputValue = $input.val();
+                                               /*
+                                                * Don't trigger a search if the URL field already has a link or is empty.
+                                                * Also, avoids screen readers announce `No search results`.
+                                                */
+                                               if ( inputValue && ! /^https?:/.test( inputValue ) ) {
+                                                       $input.autocomplete( 'search' );
                                                }
+                                       } )
+                                       .autocomplete( 'widget' )
+                                               .addClass( 'wplink-autocomplete' )
+                                               .attr( 'role', 'listbox' )
+                                               .removeAttr( 'tabindex' ); // Remove the `tabindex=0` attribute added by jQuery UI.
+                               }
+
+                               tinymce.$( input ).on( 'keydown', function( event ) {
+                                       if ( event.keyCode === 13 ) {
+                                               editor.execCommand( 'wp_link_apply' );
+                                               event.preventDefault();
                                        }
                                } );
                        }
                } );
 
+               editor.on( 'wptoolbar', function( event ) {
+                       var linkNode = editor.dom.getParent( event.element, 'a' ),
+                               $linkNode, href, edit;
+
+                       if ( tinymce.$( document.body ).hasClass( 'modal-open' ) ) {
+                               editToolbar.tempHide = true;
+                               return;
+                       }
+
+                       editToolbar.tempHide = false;
+
+                       if ( linkNode ) {
+                               $linkNode = editor.$( linkNode );
+                               href = $linkNode.attr( 'href' );
+                               edit = $linkNode.attr( 'data-wplink-edit' );
+
+                               if ( href === '_wp_link_placeholder' || edit ) {
+                                       if ( edit && ! inputInstance.getURL() ) {
+                                               inputInstance.setURL( href );
+                                       }
+
+                                       event.element = linkNode;
+                                       event.toolbar = editToolbar;
+                               } else if ( href && ! $linkNode.find( 'img' ).length ) {
+                                       previewInstance.setURL( href );
+                                       event.element = linkNode;
+                                       event.toolbar = toolbar;
+                               }
+                       }
+               } );
+
                editor.addButton( 'wp_link_edit', {
                        tooltip: 'Edit ', // trailing space is needed, used for context
                        icon: 'dashicon dashicons-edit',
                        cmd: 'unlink'
                } );
 
-               editor.on( 'preinit', function() {
-                       if ( editor.wp && editor.wp._createToolbar ) {
-                               toolbar = editor.wp._createToolbar( [
-                                       'wp_link_preview',
-                                       'wp_link_edit',
-                                       'wp_link_remove'
-                               ], true );
+               editor.addButton( 'wp_link_advanced', {
+                       tooltip: 'Link options',
+                       icon: 'dashicon dashicons-admin-generic',
+                       onclick: function() {
+                               if ( typeof window.wpLink !== 'undefined' ) {
+                                       var url = inputInstance.getURL() || null,
+                                               text = inputInstance.getLinkText() || null;
+
+                                       /*
+                                        * Accessibility note: moving focus back to the editor confuses
+                                        * screen readers. They will announce again the Editor ARIA role
+                                        * `application` and the iframe `title` attribute.
+                                        *
+                                        * Unfortunately IE looses the selection when the editor iframe
+                                        * looses focus, so without returning focus to the editor, the code
+                                        * in the modal will not be able to get the selection, place the caret
+                                        * at the same location, etc.
+                                        */
+                                       if ( tinymce.Env.ie ) {
+                                               editor.focus(); // Needed for IE
+                                       }
+
+                                       window.wpLink.open( editor.id, url, text, linkNode );
+
+                                       editToolbar.tempHide = true;
+                                       inputInstance.reset();
+                               }
                        }
                } );
+
+               editor.addButton( 'wp_link_apply', {
+                       tooltip: 'Apply',
+                       icon: 'dashicon dashicons-editor-break',
+                       cmd: 'wp_link_apply',
+                       classes: 'widget btn primary'
+               } );
+
+               return {
+                       close: function() {
+                               editToolbar.tempHide = false;
+                               editor.execCommand( 'wp_link_cancel' );
+                       }
+               };
        } );
 } )( window.tinymce );