[239] | 1 | /*
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| 2 | Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
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| 3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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| 4 | */
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| 5 |
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| 6 | CKEDITOR.plugins.add( 'link',
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| 7 | {
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| 8 | init : function( editor )
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| 9 | {
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| 10 | // Add the link and unlink buttons.
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| 11 | editor.addCommand( 'link', new CKEDITOR.dialogCommand( 'link' ) );
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| 12 | editor.addCommand( 'anchor', new CKEDITOR.dialogCommand( 'anchor' ) );
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| 13 | editor.addCommand( 'unlink', new CKEDITOR.unlinkCommand() );
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| 14 | editor.addCommand( 'removeAnchor', new CKEDITOR.removeAnchorCommand() );
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| 15 | editor.ui.addButton( 'Link',
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| 16 | {
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| 17 | label : editor.lang.link.toolbar,
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| 18 | command : 'link'
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| 19 | } );
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| 20 | editor.ui.addButton( 'Unlink',
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| 21 | {
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| 22 | label : editor.lang.unlink,
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| 23 | command : 'unlink'
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| 24 | } );
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| 25 | editor.ui.addButton( 'Anchor',
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| 26 | {
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| 27 | label : editor.lang.anchor.toolbar,
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| 28 | command : 'anchor'
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| 29 | } );
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| 30 | CKEDITOR.dialog.add( 'link', this.path + 'dialogs/link.js' );
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| 31 | CKEDITOR.dialog.add( 'anchor', this.path + 'dialogs/anchor.js' );
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| 32 |
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| 33 | // Add the CSS styles for anchor placeholders.
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| 34 |
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| 35 | var side = ( editor.lang.dir == 'rtl' ? 'right' : 'left' );
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| 36 | var basicCss =
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| 37 | 'background:url(' + CKEDITOR.getUrl( this.path + 'images/anchor.gif' ) + ') no-repeat ' + side + ' center;' +
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| 38 | 'border:1px dotted #00f;';
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| 39 |
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| 40 | editor.addCss(
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| 41 | 'a.cke_anchor,a.cke_anchor_empty' +
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| 42 | // IE6 breaks with the following selectors.
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| 43 | ( ( CKEDITOR.env.ie && CKEDITOR.env.version < 7 ) ? '' :
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| 44 | ',a[name],a[data-cke-saved-name]' ) +
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| 45 | '{' +
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| 46 | basicCss +
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| 47 | 'padding-' + side + ':18px;' +
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| 48 | // Show the arrow cursor for the anchor image (FF at least).
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| 49 | 'cursor:auto;' +
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| 50 | '}' +
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| 51 | ( CKEDITOR.env.ie ? (
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| 52 | 'a.cke_anchor_empty' +
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| 53 | '{' +
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| 54 | // Make empty anchor selectable on IE.
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| 55 | 'display:inline-block;' +
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| 56 | '}'
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| 57 | ) : '' ) +
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| 58 | 'img.cke_anchor' +
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| 59 | '{' +
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| 60 | basicCss +
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| 61 | 'width:16px;' +
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| 62 | 'min-height:15px;' +
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| 63 | // The default line-height on IE.
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| 64 | 'height:1.15em;' +
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| 65 | // Opera works better with "middle" (even if not perfect)
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| 66 | 'vertical-align:' + ( CKEDITOR.env.opera ? 'middle' : 'text-bottom' ) + ';' +
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| 67 | '}');
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| 68 |
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| 69 | // Register selection change handler for the unlink button.
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| 70 | editor.on( 'selectionChange', function( evt )
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| 71 | {
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| 72 | if ( editor.readOnly )
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| 73 | return;
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| 74 |
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| 75 | /*
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| 76 | * Despite our initial hope, document.queryCommandEnabled() does not work
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| 77 | * for this in Firefox. So we must detect the state by element paths.
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| 78 | */
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| 79 | var command = editor.getCommand( 'unlink' ),
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| 80 | element = evt.data.path.lastElement && evt.data.path.lastElement.getAscendant( 'a', true );
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| 81 | if ( element && element.getName() == 'a' && element.getAttribute( 'href' ) && element.getChildCount() )
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| 82 | command.setState( CKEDITOR.TRISTATE_OFF );
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| 83 | else
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| 84 | command.setState( CKEDITOR.TRISTATE_DISABLED );
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| 85 | } );
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| 86 |
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| 87 | editor.on( 'doubleclick', function( evt )
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| 88 | {
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| 89 | var element = CKEDITOR.plugins.link.getSelectedLink( editor ) || evt.data.element;
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| 90 |
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| 91 | if ( !element.isReadOnly() )
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| 92 | {
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| 93 | if ( element.is( 'a' ) )
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| 94 | {
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| 95 | evt.data.dialog = ( element.getAttribute( 'name' ) && ( !element.getAttribute( 'href' ) || !element.getChildCount() ) ) ? 'anchor' : 'link';
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| 96 | editor.getSelection().selectElement( element );
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| 97 | }
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| 98 | else if ( CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element ) )
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| 99 | evt.data.dialog = 'anchor';
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| 100 | }
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| 101 | });
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| 102 |
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| 103 | // If the "menu" plugin is loaded, register the menu items.
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| 104 | if ( editor.addMenuItems )
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| 105 | {
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| 106 | editor.addMenuItems(
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| 107 | {
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| 108 | anchor :
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| 109 | {
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| 110 | label : editor.lang.anchor.menu,
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| 111 | command : 'anchor',
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| 112 | group : 'anchor',
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| 113 | order : 1
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| 114 | },
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| 115 |
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| 116 | removeAnchor :
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| 117 | {
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| 118 | label : editor.lang.anchor.remove,
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| 119 | command : 'removeAnchor',
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| 120 | group : 'anchor',
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| 121 | order : 5
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| 122 | },
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| 123 |
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| 124 | link :
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| 125 | {
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| 126 | label : editor.lang.link.menu,
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| 127 | command : 'link',
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| 128 | group : 'link',
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| 129 | order : 1
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| 130 | },
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| 131 |
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| 132 | unlink :
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| 133 | {
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| 134 | label : editor.lang.unlink,
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| 135 | command : 'unlink',
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| 136 | group : 'link',
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| 137 | order : 5
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| 138 | }
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| 139 | });
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| 140 | }
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| 141 |
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| 142 | // If the "contextmenu" plugin is loaded, register the listeners.
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| 143 | if ( editor.contextMenu )
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| 144 | {
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| 145 | editor.contextMenu.addListener( function( element, selection )
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| 146 | {
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| 147 | if ( !element || element.isReadOnly() )
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| 148 | return null;
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| 149 |
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| 150 | var anchor = CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element );
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| 151 |
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| 152 | if ( !anchor && !( anchor = CKEDITOR.plugins.link.getSelectedLink( editor ) ) )
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| 153 | return null;
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| 154 |
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| 155 | var menu = {};
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| 156 |
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| 157 | if ( anchor.getAttribute( 'href' ) && anchor.getChildCount() )
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| 158 | menu = { link : CKEDITOR.TRISTATE_OFF, unlink : CKEDITOR.TRISTATE_OFF };
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| 159 |
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| 160 | if ( anchor && anchor.hasAttribute( 'name' ) )
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| 161 | menu.anchor = menu.removeAnchor = CKEDITOR.TRISTATE_OFF;
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| 162 |
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| 163 | return menu;
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| 164 | });
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| 165 | }
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| 166 | },
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| 167 |
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| 168 | afterInit : function( editor )
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| 169 | {
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| 170 | // Register a filter to displaying placeholders after mode change.
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| 171 |
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| 172 | var dataProcessor = editor.dataProcessor,
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| 173 | dataFilter = dataProcessor && dataProcessor.dataFilter,
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| 174 | htmlFilter = dataProcessor && dataProcessor.htmlFilter,
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| 175 | pathFilters = editor._.elementsPath && editor._.elementsPath.filters;
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| 176 |
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| 177 | if ( dataFilter )
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| 178 | {
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| 179 | dataFilter.addRules(
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| 180 | {
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| 181 | elements :
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| 182 | {
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| 183 | a : function( element )
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| 184 | {
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| 185 | var attributes = element.attributes;
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| 186 | if ( !attributes.name )
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| 187 | return null;
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| 188 |
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| 189 | var isEmpty = !element.children.length;
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| 190 |
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| 191 | if ( CKEDITOR.plugins.link.synAnchorSelector )
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| 192 | {
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| 193 | // IE needs a specific class name to be applied
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| 194 | // to the anchors, for appropriate styling.
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| 195 | var ieClass = isEmpty ? 'cke_anchor_empty' : 'cke_anchor';
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| 196 | var cls = attributes[ 'class' ];
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| 197 | if ( attributes.name && ( !cls || cls.indexOf( ieClass ) < 0 ) )
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| 198 | attributes[ 'class' ] = ( cls || '' ) + ' ' + ieClass;
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| 199 |
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| 200 | if ( isEmpty && CKEDITOR.plugins.link.emptyAnchorFix )
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| 201 | {
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| 202 | attributes.contenteditable = 'false';
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| 203 | attributes[ 'data-cke-editable' ] = 1;
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| 204 | }
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| 205 | }
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| 206 | else if ( CKEDITOR.plugins.link.fakeAnchor && isEmpty )
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| 207 | return editor.createFakeParserElement( element, 'cke_anchor', 'anchor' );
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| 208 |
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| 209 | return null;
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| 210 | }
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| 211 | }
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| 212 | });
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| 213 | }
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| 214 |
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| 215 | if ( CKEDITOR.plugins.link.emptyAnchorFix && htmlFilter )
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| 216 | {
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| 217 | htmlFilter.addRules(
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| 218 | {
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| 219 | elements :
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| 220 | {
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| 221 | a : function( element )
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| 222 | {
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| 223 | delete element.attributes.contenteditable;
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| 224 | }
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| 225 | }
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| 226 | });
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| 227 | }
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| 228 |
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| 229 | if ( pathFilters )
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| 230 | {
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| 231 | pathFilters.push( function( element, name )
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| 232 | {
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| 233 | if ( name == 'a' )
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| 234 | {
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| 235 | if ( CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, element ) ||
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| 236 | ( element.getAttribute( 'name' ) && ( !element.getAttribute( 'href' ) || !element.getChildCount() ) ) )
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| 237 | {
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| 238 | return 'anchor';
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| 239 | }
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| 240 | }
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| 241 | });
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| 242 | }
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| 243 | },
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| 244 |
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| 245 | requires : [ 'fakeobjects' ]
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| 246 | } );
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| 247 |
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| 248 | CKEDITOR.plugins.link =
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| 249 | {
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| 250 | /**
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| 251 | * Get the surrounding link element of current selection.
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| 252 | * @param editor
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| 253 | * @example CKEDITOR.plugins.link.getSelectedLink( editor );
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| 254 | * @since 3.2.1
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| 255 | * The following selection will all return the link element.
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| 256 | * <pre>
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| 257 | * <a href="#">li^nk</a>
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| 258 | * <a href="#">[link]</a>
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| 259 | * text[<a href="#">link]</a>
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| 260 | * <a href="#">li[nk</a>]
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| 261 | * [<b><a href="#">li]nk</a></b>]
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| 262 | * [<a href="#"><b>li]nk</b></a>
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| 263 | * </pre>
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| 264 | */
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| 265 | getSelectedLink : function( editor )
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| 266 | {
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| 267 | try
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| 268 | {
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| 269 | var selection = editor.getSelection();
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| 270 | if ( selection.getType() == CKEDITOR.SELECTION_ELEMENT )
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| 271 | {
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| 272 | var selectedElement = selection.getSelectedElement();
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| 273 | if ( selectedElement.is( 'a' ) )
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| 274 | return selectedElement;
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| 275 | }
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| 276 |
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| 277 | var range = selection.getRanges( true )[ 0 ];
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| 278 | range.shrink( CKEDITOR.SHRINK_TEXT );
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| 279 | var root = range.getCommonAncestor();
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| 280 | return root.getAscendant( 'a', true );
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| 281 | }
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| 282 | catch( e ) { return null; }
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| 283 | },
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| 284 |
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| 285 | // Opera and WebKit don't make it possible to select empty anchors. Fake
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| 286 | // elements must be used for them.
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| 287 | fakeAnchor : CKEDITOR.env.opera || CKEDITOR.env.webkit,
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| 288 |
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| 289 | // For browsers that don't support CSS3 a[name]:empty(), note IE9 is included because of #7783.
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| 290 | synAnchorSelector : CKEDITOR.env.ie,
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| 291 |
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| 292 | // For browsers that have editing issue with empty anchor.
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| 293 | emptyAnchorFix : CKEDITOR.env.ie && CKEDITOR.env.version < 8,
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| 294 |
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| 295 | tryRestoreFakeAnchor : function( editor, element )
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| 296 | {
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| 297 | if ( element && element.data( 'cke-real-element-type' ) && element.data( 'cke-real-element-type' ) == 'anchor' )
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| 298 | {
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| 299 | var link = editor.restoreRealElement( element );
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| 300 | if ( link.data( 'cke-saved-name' ) )
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| 301 | return link;
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| 302 | }
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| 303 | }
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| 304 | };
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| 305 |
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| 306 | CKEDITOR.unlinkCommand = function(){};
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| 307 | CKEDITOR.unlinkCommand.prototype =
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| 308 | {
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| 309 | /** @ignore */
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| 310 | exec : function( editor )
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| 311 | {
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| 312 | /*
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| 313 | * execCommand( 'unlink', ... ) in Firefox leaves behind <span> tags at where
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| 314 | * the <a> was, so again we have to remove the link ourselves. (See #430)
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| 315 | *
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| 316 | * TODO: Use the style system when it's complete. Let's use execCommand()
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| 317 | * as a stopgap solution for now.
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| 318 | */
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| 319 | var selection = editor.getSelection(),
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| 320 | bookmarks = selection.createBookmarks(),
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| 321 | ranges = selection.getRanges(),
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| 322 | rangeRoot,
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| 323 | element;
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| 324 |
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| 325 | for ( var i = 0 ; i < ranges.length ; i++ )
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| 326 | {
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| 327 | rangeRoot = ranges[i].getCommonAncestor( true );
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| 328 | element = rangeRoot.getAscendant( 'a', true );
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| 329 | if ( !element )
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| 330 | continue;
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| 331 | ranges[i].selectNodeContents( element );
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| 332 | }
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| 333 |
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| 334 | selection.selectRanges( ranges );
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| 335 | editor.document.$.execCommand( 'unlink', false, null );
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| 336 | selection.selectBookmarks( bookmarks );
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| 337 | },
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| 338 |
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| 339 | startDisabled : true
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| 340 | };
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| 341 |
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| 342 | CKEDITOR.removeAnchorCommand = function(){};
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| 343 | CKEDITOR.removeAnchorCommand.prototype =
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| 344 | {
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| 345 | /** @ignore */
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| 346 | exec : function( editor )
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| 347 | {
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| 348 | var sel = editor.getSelection(),
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| 349 | bms = sel.createBookmarks(),
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| 350 | anchor;
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| 351 | if ( sel && ( anchor = sel.getSelectedElement() ) && ( CKEDITOR.plugins.link.fakeAnchor && !anchor.getChildCount() ? CKEDITOR.plugins.link.tryRestoreFakeAnchor( editor, anchor ) : anchor.is( 'a' ) ) )
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| 352 | anchor.remove( 1 );
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| 353 | else
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| 354 | {
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| 355 | if ( ( anchor = CKEDITOR.plugins.link.getSelectedLink( editor ) ) )
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| 356 | {
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| 357 | if ( anchor.hasAttribute( 'href' ) )
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| 358 | {
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| 359 | anchor.removeAttributes( { name : 1, 'data-cke-saved-name' : 1 } );
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| 360 | anchor.removeClass( 'cke_anchor' );
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| 361 | }
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| 362 | else
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| 363 | anchor.remove( 1 );
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| 364 | }
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| 365 | }
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| 366 | sel.selectBookmarks( bms );
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| 367 | }
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| 368 | };
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| 369 |
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| 370 | CKEDITOR.tools.extend( CKEDITOR.config,
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| 371 | {
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| 372 | linkShowAdvancedTab : true,
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| 373 | linkShowTargetTab : true
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| 374 | } );
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