mailiverse/gwt/war/ckeditor/_source/plugins/link/plugin.js
2013-07-21 13:40:17 -04:00

374 lines
10 KiB
JavaScript

/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
CKEDITOR.plugins.add( 'link',
{
requires : [ 'fakeobjects', 'dialog' ],
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';
}
}
});
}
}
} );
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 )
{
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 <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.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
} );