wp/wp-includes/js/tinymce/plugins/wplink/plugin.js
changeset 7 cf61fcea0001
parent 5 5e2f62d02dcd
child 9 177826044cd9
--- a/wp/wp-includes/js/tinymce/plugins/wplink/plugin.js	Tue Jun 09 11:14:17 2015 +0000
+++ b/wp/wp-includes/js/tinymce/plugins/wplink/plugin.js	Mon Oct 14 17:39:30 2019 +0200
@@ -1,50 +1,623 @@
-/* global tinymce */
-tinymce.PluginManager.add( 'wplink', function( editor ) {
-	editor.addCommand( 'WP_Link', function() {
-		window.wpLink && window.wpLink.open( editor.id );
-	});
+( function( tinymce ) {
+	tinymce.ui.Factory.add( 'WPLinkPreview', tinymce.ui.Control.extend( {
+		url: '#',
+		renderHtml: function() {
+			return (
+				'<div id="' + this._id + '" class="wp-link-preview">' +
+					'<a href="' + this.url + '" target="_blank" rel="noopener" tabindex="-1">' + this.url + '</a>' +
+				'</div>'
+			);
+		},
+		setURL: function( url ) {
+			var index, lastIndex;
+
+			if ( this.url !== url ) {
+				this.url = url;
+
+				url = window.decodeURIComponent( url );
+
+				url = url.replace( /^(?:https?:)?\/\/(?:www\.)?/, '' );
+
+				if ( ( index = url.indexOf( '?' ) ) !== -1 ) {
+					url = url.slice( 0, index );
+				}
+
+				if ( ( index = url.indexOf( '#' ) ) !== -1 ) {
+					url = url.slice( 0, index );
+				}
+
+				url = url.replace( /(?:index)?\.html$/, '' );
+
+				if ( url.charAt( url.length - 1 ) === '/' ) {
+					url = url.slice( 0, -1 );
+				}
+
+				// If nothing's left (maybe the URL was just a fragment), use the whole URL.
+				if ( url === '' ) {
+					url = this.url;
+				}
+
+				// If the URL is longer that 40 chars, concatenate the beginning (after the domain) and ending with ...
+				if ( url.length > 40 && ( index = url.indexOf( '/' ) ) !== -1 && ( lastIndex = url.lastIndexOf( '/' ) ) !== -1 && lastIndex !== index ) {
+					// If the beginning + ending are shorter that 40 chars, show more of the ending
+					if ( index + url.length - lastIndex < 40 ) {
+						lastIndex = -( 40 - ( index + 1 ) );
+					}
+
+					url = url.slice( 0, index + 1 ) + '\u2026' + url.slice( lastIndex );
+				}
+
+				tinymce.$( this.getEl().firstChild ).attr( 'href', this.url ).text( url );
+			}
+		}
+	} ) );
+
+	tinymce.ui.Factory.add( '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 = '';
+		}
+	} ) );
 
-	// WP default shortcut
-	editor.addShortcut( 'Alt+Shift+A', '', 'WP_Link' );
-	// The "de-facto standard" shortcut, see #27305
-	editor.addShortcut( 'Meta+K', '', 'WP_Link' );
+	tinymce.PluginManager.add( 'wplink', function( editor ) {
+		var toolbar;
+		var editToolbar;
+		var previewInstance;
+		var inputInstance;
+		var linkNode;
+		var doingUndoRedo;
+		var doingUndoRedoTimer;
+		var $ = window.jQuery;
+		var emailRegex = /^(mailto:)?[a-z0-9._%+-]+@[a-z0-9][a-z0-9.-]*\.[a-z]{2,63}$/i;
+		var urlRegex1 = /^https?:\/\/([^\s/?.#-][^\s\/?.#]*\.?)+(\/[^\s"]*)?$/i;
+		var urlRegex2 = /^https?:\/\/[^\/]+\.[^\/]+($|\/)/i;
+		var speak = ( typeof window.wp !== 'undefined' && window.wp.a11y && window.wp.a11y.speak ) ? window.wp.a11y.speak : function() {};
+		var hasLinkError = false;
+
+		function getSelectedLink() {
+			var href, html,
+				node = editor.selection.getStart(),
+				link = editor.dom.getParent( node, 'a[href]' );
+
+			if ( ! link ) {
+				html = editor.selection.getContent({ format: 'raw' });
+
+				if ( html && html.indexOf( '</a>' ) !== -1 ) {
+					href = html.match( /href="([^">]+)"/ );
+
+					if ( href && href[1] ) {
+						link = editor.$( '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 );
 
-	editor.addButton( 'link', {
-		icon: 'link',
-		tooltip: 'Insert/edit link',
-		cmd: 'WP_Link',
-		stateSelector: 'a[href]'
-	});
+				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 ) {
+			return content.replace( /(<a [^>]+>)([\s\S]*?)<\/a>/g, function( all, tag, text ) {
+				if ( tag.indexOf( ' href="_wp_link_placeholder"' ) > -1 ) {
+					return text;
+				}
+
+				if ( dataAttr ) {
+					tag = tag.replace( / data-wplink-edit="true"/g, '' );
+				}
+
+				tag = tag.replace( / data-wplink-url-error="true"/g, '' );
+
+				return tag + text + '</a>';
+			});
+		}
+
+		function checkLink( node ) {
+			var $link = editor.$( node );
+			var href = $link.attr( 'href' );
+
+			if ( ! href || typeof $ === 'undefined' ) {
+				return;
+			}
+
+			hasLinkError = false;
+
+			if ( /^http/i.test( href ) && ( ! urlRegex1.test( href ) || ! urlRegex2.test( href ) ) ) {
+				hasLinkError = true;
+				$link.attr( 'data-wplink-url-error', 'true' );
+				speak( editor.translate( 'Warning: the link has been inserted but may have errors. Please test it.' ), 'assertive' );
+			} else {
+				$link.removeAttr( 'data-wplink-url-error' );
+			}
+		}
 
-	editor.addButton( 'unlink', {
-		icon: 'unlink',
-		tooltip: 'Remove link',
-		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 );
+
+				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 ( typeof window.wpLink === 'undefined' || ! window.wpLink.modalOpen ) {
+						window.setTimeout( function() {
+							var element = editToolbar.$el.find( 'input.ui-autocomplete-input' )[0],
+								selection = linkNode && ( linkNode.textContent || linkNode.innerText );
+
+							if ( element ) {
+								if ( ! element.value && selection && typeof window.wpLink !== 'undefined' ) {
+									element.value = window.wpLink.getUrlFromSelection( selection );
+								}
+
+								if ( ! doingUndoRedo ) {
+									element.focus();
+									element.select();
+								}
+							}
+						} );
+					}
+				} );
+
+				editToolbar.on( 'hide', function() {
+					if ( ! editToolbar.scrolling ) {
+						editor.execCommand( 'wp_link_cancel' );
+					}
+				} );
+			}
+		} );
+
+		editor.addCommand( 'WP_Link', function() {
+			if ( tinymce.Env.ie && tinymce.Env.ie < 10 && typeof window.wpLink !== 'undefined' ) {
+				window.wpLink.open( editor.id );
+				return;
+			}
+
+			linkNode = getSelectedLink();
+			editToolbar.tempHide = false;
+
+			if ( linkNode ) {
+				editor.dom.setAttribs( linkNode, { 'data-wplink-edit': true } );
+			} else {
+				removePlaceholders();
+				editor.execCommand( 'mceInsertLink', false, { href: '_wp_link_placeholder' } );
+
+				linkNode = editor.$( '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();
+
+				var parser = document.createElement( 'a' );
+				parser.href = href;
+
+				if ( 'javascript:' === parser.protocol || 'data:' === parser.protocol ) { // jshint ignore:line
+					href = '';
+				}
+
+				if ( ! href ) {
+					editor.dom.remove( linkNode, true );
+					return;
+				}
 
-	editor.addMenuItem( 'link', {
-		icon: 'link',
-		text: 'Insert/edit link',
-		cmd: 'WP_Link',
-		stateSelector: 'a[href]',
-		context: 'insert',
-		prependToContext: true
-	});
+				if ( ! /^(?:[a-z]+:|#|\?|\.|\/)/.test( href ) && ! emailRegex.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 );
+				}
+
+				checkLink( linkNode );
+			}
+
+			inputInstance.reset();
+			editor.nodeChanged();
+
+			// Audible confirmation message when a link has been inserted in the Editor.
+			if ( typeof window.wpLinkL10n !== 'undefined' && ! hasLinkError ) {
+				speak( window.wpLinkL10n.linkInserted );
+			}
+		} );
+
+		editor.addCommand( 'wp_link_cancel', function() {
+			if ( ! editToolbar.tempHide ) {
+				inputInstance.reset();
+				removePlaceholders();
+			}
+		} );
+
+		editor.addCommand( 'wp_unlink', function() {
+			editor.execCommand( 'unlink' );
+			editToolbar.tempHide = false;
+			editor.execCommand( 'wp_link_cancel' );
+		} );
+
+		// WP default shortcuts
+		editor.addShortcut( 'access+a', '', 'WP_Link' );
+		editor.addShortcut( 'access+s', '', 'wp_unlink' );
+		// The "de-facto standard" shortcut, see #27305
+		editor.addShortcut( 'meta+k', '', 'WP_Link' );
 
-	editor.on( 'pastepreprocess', function( event ) {
-		var pastedStr = event.content;
+		editor.addButton( 'link', {
+			icon: 'link',
+			tooltip: 'Insert/edit link',
+			cmd: 'WP_Link',
+			stateSelector: 'a[href]'
+		});
+
+		editor.addButton( 'unlink', {
+			icon: 'unlink',
+			tooltip: 'Remove link',
+			cmd: 'unlink'
+		});
+
+		editor.addMenuItem( 'link', {
+			icon: 'link',
+			text: 'Insert/edit link',
+			cmd: 'WP_Link',
+			stateSelector: 'a[href]',
+			context: 'insert',
+			prependToContext: true
+		});
 
-		if ( ! editor.selection.isCollapsed() ) {
-			pastedStr = pastedStr.replace( /<[^>]+>/g, '' );
-			pastedStr = tinymce.trim( pastedStr );
+		editor.on( 'pastepreprocess', function( event ) {
+			var pastedStr = event.content,
+				regExp = /^(?:https?:)?\/\/\S+$/i;
+
+			if ( ! editor.selection.isCollapsed() && ! regExp.test( editor.selection.getContent() ) ) {
+				pastedStr = pastedStr.replace( /<[^>]+>/g, '' );
+				pastedStr = tinymce.trim( pastedStr );
+
+				if ( regExp.test( pastedStr ) ) {
+					editor.execCommand( 'mceInsertLink', false, {
+						href: editor.dom.decode( pastedStr )
+					} );
 
-			if ( /^(?:https?:)?\/\/\S+$/i.test( pastedStr ) ) {
-				editor.execCommand( 'mceInsertLink', false, {
-					href: editor.dom.decode( pastedStr )
-				} );
+					event.preventDefault();
+				}
+			}
+		} );
+
+		// 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.keyCode === 27 ) { // Esc
+				editor.execCommand( 'wp_link_cancel' );
+			}
+
+			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() {
+				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;
+							}
+
+							if ( /^https?:/.test( request.term ) || request.term.indexOf( '.' ) !== -1 ) {
+								return response();
+							}
+
+							$.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' );
+
+							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.wpLinkL10n !== 'undefined' ) {
+								// Audible confirmation message when a link has been selected.
+								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 ) {
+						var fallbackTitle = ( typeof window.wpLinkL10n !== 'undefined' ) ? window.wpLinkL10n.noTitle : '',
+							title = item.title ? item.title : fallbackTitle;
+
+						return $( '<li role="option" id="mce-wp-autocomplete-' + item.ID + '">' )
+						.append( '<span>' + 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' );
+						}
+					} )
+					// Returns a jQuery object containing the menu element.
+					.autocomplete( 'widget' )
+						.addClass( 'wplink-autocomplete' )
+						.attr( 'role', 'listbox' )
+						.removeAttr( 'tabindex' ) // Remove the `tabindex=0` attribute added by jQuery UI.
+						/*
+						 * Looks like Safari and VoiceOver need an `aria-selected` attribute. See ticket #33301.
+						 * The `menufocus` and `menublur` events are the same events used to add and remove
+						 * the `ui-state-focus` CSS class on the menu items. See jQuery UI Menu Widget.
+						 */
+						.on( 'menufocus', function( event, ui ) {
+							ui.item.attr( 'aria-selected', 'true' );
+						})
+						.on( 'menublur', function() {
+							/*
+							 * The `menublur` event returns an object where the item is `null`
+							 * so we need to find the active item with other means.
+							 */
+							$( this ).find( '[aria-selected="true"]' ).removeAttr( 'aria-selected' );
+						});
+				}
+
+				tinymce.$( 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 ( typeof window.wpLink !== 'undefined' && window.wpLink.modalOpen ) {
+				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 ( href !== '_wp_link_placeholder' && ! 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;
+
+					if ( $linkNode.attr( 'data-wplink-url-error' ) === 'true' ) {
+						toolbar.$el.find( '.wp-link-preview a' ).addClass( 'wplink-url-error' );
+					} else {
+						toolbar.$el.find( '.wp-link-preview a' ).removeClass( 'wplink-url-error' );
+						hasLinkError = false;
+					}
+				}
+			} else if ( editToolbar.visible() ) {
+				editor.execCommand( 'wp_link_cancel' );
+			}
+		} );
+
+		editor.addButton( 'wp_link_edit', {
+			tooltip: 'Edit|button', // '|button' is not displayed, only used for context
+			icon: 'dashicon dashicons-edit',
+			cmd: 'WP_Link'
+		} );
+
+		editor.addButton( 'wp_link_remove', {
+			tooltip: 'Remove link',
+			icon: 'dashicon dashicons-editor-unlink',
+			cmd: 'wp_unlink'
+		} );
+
+		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
+					}
+
+					editToolbar.tempHide = true;
+					window.wpLink.open( editor.id, url, text, linkNode );
+
+					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' );
+			},
+			checkLink: checkLink
+		};
 	} );
-});
+} )( window.tinymce );