egroupware/phpgwapi/js/ckeditor3/_source/plugins/link/plugin.js
2010-05-21 11:51:40 +00:00

220 lines
5.8 KiB
JavaScript

/*
Copyright (c) 2003-2010, 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.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.
editor.addCss(
'img.cke_anchor' +
'{' +
'background-image: url(' + CKEDITOR.getUrl( this.path + 'images/anchor.gif' ) + ');' +
'background-position: center center;' +
'background-repeat: no-repeat;' +
'border: 1px solid #a9a9a9;' +
'width: 18px;' +
'height: 18px;' +
'}\n' +
'a.cke_anchor' +
'{' +
'background-image: url(' + CKEDITOR.getUrl( this.path + 'images/anchor.gif' ) + ');' +
'background-position: 0 center;' +
'background-repeat: no-repeat;' +
'border: 1px solid #a9a9a9;' +
'padding-left: 18px;' +
'}'
);
// Register selection change handler for the unlink button.
editor.on( 'selectionChange', function( evt )
{
/*
* 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.getAscendant( 'a', true );
if ( element && element.getName() == 'a' && element.getAttribute( 'href' ) )
command.setState( CKEDITOR.TRISTATE_OFF );
else
command.setState( CKEDITOR.TRISTATE_DISABLED );
} );
// 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'
},
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 )
return null;
var isAnchor = ( element.is( 'img' ) && element.getAttribute( '_cke_real_element_type' ) == 'anchor' );
if ( !isAnchor )
{
if ( !( element = CKEDITOR.plugins.link.getSelectedLink( editor ) ) )
return null;
isAnchor = ( element.getAttribute( 'name' ) && !element.getAttribute( 'href' ) );
}
return isAnchor ?
{ anchor : CKEDITOR.TRISTATE_OFF } :
{ link : CKEDITOR.TRISTATE_OFF, unlink : CKEDITOR.TRISTATE_OFF };
});
}
},
afterInit : function( editor )
{
// Register a filter to displaying placeholders after mode change.
var dataProcessor = editor.dataProcessor,
dataFilter = dataProcessor && dataProcessor.dataFilter;
if ( dataFilter )
{
dataFilter.addRules(
{
elements :
{
a : function( element )
{
var attributes = element.attributes;
if ( attributes.name && !attributes.href )
return editor.createFakeParserElement( element, 'cke_anchor', '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.
* <pre>
* <a href="#">li^nk</a>
* <a href="#">[link]</a>
* text[<a href="#">link]</a>
* <a href="#">li[nk</a>]
* [<b><a href="#">li]nk</a></b>]
* [<a href="#"><b>li]nk</b></a>
* </pre>
*/
getSelectedLink : function( editor )
{
var range;
try { range = editor.getSelection().getRanges()[ 0 ]; }
catch( e ) { return null; }
range.shrink( CKEDITOR.SHRINK_TEXT );
var root = range.getCommonAncestor();
return root.getAscendant( 'a', true );
}
};
CKEDITOR.unlinkCommand = function(){};
CKEDITOR.unlinkCommand.prototype =
{
/** @ignore */
exec : function( editor )
{
/*
* execCommand( 'unlink', ... ) in Firefox leaves behind <span> tags at where
* the <a> 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.tools.extend( CKEDITOR.config,
{
linkShowAdvancedTab : true,
linkShowTargetTab : true
} );