/* Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved. For licensing, see LICENSE.html or http://ckeditor.com/license */ CKEDITOR.plugins.add( 'link', { init : function( editor ) { // Add the link and unlink buttons. editor.addCommand( 'link', new CKEDITOR.dialogCommand( 'link' ) ); editor.addCommand( 'anchor', new CKEDITOR.dialogCommand( 'anchor' ) ); editor.addCommand( 'unlink', new CKEDITOR.unlinkCommand() ); editor.addCommand( 'removeAnchor', new CKEDITOR.removeAnchorCommand() ); editor.ui.addButton( 'Link', { label : editor.lang.link.toolbar, command : 'link' } ); editor.ui.addButton( 'Unlink', { label : editor.lang.unlink, command : 'unlink' } ); editor.ui.addButton( 'Anchor', { label : editor.lang.anchor.toolbar, command : 'anchor' } ); CKEDITOR.dialog.add( 'link', this.path + 'dialogs/link.js' ); CKEDITOR.dialog.add( 'anchor', this.path + 'dialogs/anchor.js' ); // Add the CSS styles for anchor placeholders. var side = ( editor.lang.dir == 'rtl' ? 'right' : 'left' ); var basicCss = 'background:url(' + CKEDITOR.getUrl( this.path + 'images/anchor.gif' ) + ') no-repeat ' + side + ' center;' + 'border:1px dotted #00f;'; editor.addCss( 'a.cke_anchor,a.cke_anchor_empty' + // IE6 breaks with the following selectors. ( ( CKEDITOR.env.ie && CKEDITOR.env.version < 7 ) ? '' : ',a[name],a[data-cke-saved-name]' ) + '{' + basicCss + 'padding-' + side + ':18px;' + // Show the arrow cursor for the anchor image (FF at least). 'cursor:auto;' + '}' + ( CKEDITOR.env.ie ? ( 'a.cke_anchor_empty' + '{' + // Make empty anchor selectable on IE. 'display:inline-block;' + '}' ) : '' ) + 'img.cke_anchor' + '{' + basicCss + 'width:16px;' + 'min-height:15px;' + // The default line-height on IE. 'height:1.15em;' + // Opera works better with "middle" (even if not perfect) 'vertical-align:' + ( CKEDITOR.env.opera ? 'middle' : 'text-bottom' ) + ';' + '}'); // Register selection change handler for the unlink button. editor.on( 'selectionChange', function( evt ) { if ( editor.readOnly ) return; /* * Despite our initial hope, document.queryCommandEnabled() does not work * for this in Firefox. So we must detect the state by element paths. */ var command = editor.getCommand( 'unlink' ), element = evt.data.path.lastElement && evt.data.path.lastElement.getAscendant( 'a', true ); if ( element && element.getName() == 'a' && element.getAttribute( 'href' ) && element.getChildCount() ) command.setState( CKEDITOR.TRISTATE_OFF ); else command.setState( CKEDITOR.TRISTATE_DISABLED ); } ); editor.on( 'doubleclick', function( evt ) { var element = CKEDITOR.plugins.link.getSelectedLink( editor ) || evt.data.element; if ( !element.isReadOnly() ) { if ( element.is( 'a' ) ) { evt.data.dialog = ( element.getAttribute( 'name' ) && ( !element.getAttribute( 'href' ) || !element.getChildCount() ) ) ? 'anchor' : 'link'; editor.getSelection().selectElement( element ); } else if ( CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element ) ) evt.data.dialog = 'anchor'; } }); // If the "menu" plugin is loaded, register the menu items. if ( editor.addMenuItems ) { editor.addMenuItems( { anchor : { label : editor.lang.anchor.menu, command : 'anchor', group : 'anchor', order : 1 }, removeAnchor : { label : editor.lang.anchor.remove, command : 'removeAnchor', group : 'anchor', order : 5 }, link : { label : editor.lang.link.menu, command : 'link', group : 'link', order : 1 }, unlink : { label : editor.lang.unlink, command : 'unlink', group : 'link', order : 5 } }); } // If the "contextmenu" plugin is loaded, register the listeners. if ( editor.contextMenu ) { editor.contextMenu.addListener( function( element, selection ) { if ( !element || element.isReadOnly() ) return null; var anchor = CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element ); if ( !anchor && !( anchor = CKEDITOR.plugins.link.getSelectedLink( editor ) ) ) return null; var menu = {}; if ( anchor.getAttribute( 'href' ) && anchor.getChildCount() ) menu = { link : CKEDITOR.TRISTATE_OFF, unlink : CKEDITOR.TRISTATE_OFF }; if ( anchor && anchor.hasAttribute( 'name' ) ) menu.anchor = menu.removeAnchor = CKEDITOR.TRISTATE_OFF; return menu; }); } }, afterInit : function( editor ) { // Register a filter to displaying placeholders after mode change. var dataProcessor = editor.dataProcessor, dataFilter = dataProcessor && dataProcessor.dataFilter, htmlFilter = dataProcessor && dataProcessor.htmlFilter, pathFilters = editor._.elementsPath && editor._.elementsPath.filters; if ( dataFilter ) { dataFilter.addRules( { elements : { a : function( element ) { var attributes = element.attributes; if ( !attributes.name ) return null; var isEmpty = !element.children.length; if ( CKEDITOR.plugins.link.synAnchorSelector ) { // IE needs a specific class name to be applied // to the anchors, for appropriate styling. var ieClass = isEmpty ? 'cke_anchor_empty' : 'cke_anchor'; var cls = attributes[ 'class' ]; if ( attributes.name && ( !cls || cls.indexOf( ieClass ) < 0 ) ) attributes[ 'class' ] = ( cls || '' ) + ' ' + ieClass; if ( isEmpty && CKEDITOR.plugins.link.emptyAnchorFix ) { attributes.contenteditable = 'false'; attributes[ 'data-cke-editable' ] = 1; } } else if ( CKEDITOR.plugins.link.fakeAnchor && isEmpty ) return editor.createFakeParserElement( element, 'cke_anchor', 'anchor' ); return null; } } }); } if ( CKEDITOR.plugins.link.emptyAnchorFix && htmlFilter ) { htmlFilter.addRules( { elements : { a : function( element ) { delete element.attributes.contenteditable; } } }); } if ( pathFilters ) { pathFilters.push( function( element, name ) { if ( name == 'a' ) { if ( CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element ) || ( element.getAttribute( 'name' ) && ( !element.getAttribute( 'href' ) || !element.getChildCount() ) ) ) { return 'anchor'; } } }); } }, requires : [ 'fakeobjects' ] } ); CKEDITOR.plugins.link = { /** * Get the surrounding link element of current selection. * @param editor * @example CKEDITOR.plugins.link.getSelectedLink( editor ); * @since 3.2.1 * The following selection will all return the link element. *
	 *  li^nk
	 *  [link]
	 *  text[link]
	 *  li[nk]
	 *  [li]nk]
	 *  [li]nk
	 * 
*/ getSelectedLink : function( editor ) { try { var selection = editor.getSelection(); if ( selection.getType() == CKEDITOR.SELECTION_ELEMENT ) { var selectedElement = selection.getSelectedElement(); if ( selectedElement.is( 'a' ) ) return selectedElement; } var range = selection.getRanges( true )[ 0 ]; range.shrink( CKEDITOR.SHRINK_TEXT ); var root = range.getCommonAncestor(); return root.getAscendant( 'a', true ); } catch( e ) { return null; } }, // Opera and WebKit don't make it possible to select empty anchors. Fake // elements must be used for them. fakeAnchor : CKEDITOR.env.opera || CKEDITOR.env.webkit, // For browsers that don't support CSS3 a[name]:empty(), note IE9 is included because of #7783. synAnchorSelector : CKEDITOR.env.ie, // For browsers that have editing issue with empty anchor. emptyAnchorFix : CKEDITOR.env.ie && CKEDITOR.env.version < 8, tryRestoreFakeAnchor : function( editor, element ) { if ( element && element.data( 'cke-real-element-type' ) && element.data( 'cke-real-element-type' ) == 'anchor' ) { var link = editor.restoreRealElement( element ); if ( link.data( 'cke-saved-name' ) ) return link; } } }; CKEDITOR.unlinkCommand = function(){}; CKEDITOR.unlinkCommand.prototype = { /** @ignore */ exec : function( editor ) { /* * execCommand( 'unlink', ... ) in Firefox leaves behind tags at where * the was, so again we have to remove the link ourselves. (See #430) * * TODO: Use the style system when it's complete. Let's use execCommand() * as a stopgap solution for now. */ var selection = editor.getSelection(), bookmarks = selection.createBookmarks(), ranges = selection.getRanges(), rangeRoot, element; for ( var i = 0 ; i < ranges.length ; i++ ) { rangeRoot = ranges[i].getCommonAncestor( true ); element = rangeRoot.getAscendant( 'a', true ); if ( !element ) continue; ranges[i].selectNodeContents( element ); } selection.selectRanges( ranges ); editor.document.$.execCommand( 'unlink', false, null ); selection.selectBookmarks( bookmarks ); }, startDisabled : true }; CKEDITOR.removeAnchorCommand = function(){}; CKEDITOR.removeAnchorCommand.prototype = { /** @ignore */ exec : function( editor ) { var sel = editor.getSelection(), bms = sel.createBookmarks(), anchor; if ( sel && ( anchor = sel.getSelectedElement() ) && ( CKEDITOR.plugins.link.fakeAnchor && !anchor.getChildCount() ? CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, anchor ) : anchor.is( 'a' ) ) ) anchor.remove( 1 ); else { if ( ( anchor = CKEDITOR.plugins.link.getSelectedLink( editor ) ) ) { if ( anchor.hasAttribute( 'href' ) ) { anchor.removeAttributes( { name : 1, 'data-cke-saved-name' : 1 } ); anchor.removeClass( 'cke_anchor' ); } else anchor.remove( 1 ); } } sel.selectBookmarks( bms ); } }; CKEDITOR.tools.extend( CKEDITOR.config, { linkShowAdvancedTab : true, linkShowTargetTab : true } );