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/*
Copyright (c) 2003-2012, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
/**
* @fileOverview The "elementspath" plugin. It shows all elements in the DOM
* parent tree relative to the current selection in the editing area.
*/
(function()
{
var commands =
{
toolbarFocus :
{
editorFocus : false,
readOnly : 1,
exec : function( editor )
{
var idBase = editor._.elementsPath.idBase;
var element = CKEDITOR.document.getById( idBase + '0' );
// Make the first button focus accessible for IE. (#3417)
// Adobe AIR instead need while of delay.
element && element.focus( CKEDITOR.env.ie || CKEDITOR.env.air );
}
}
};
var emptyHtml = '<span class="cke_empty"> </span>';
CKEDITOR.plugins.add( 'elementspath',
{
requires : [ 'selection' ],
init : function( editor )
{
var spaceId = 'cke_path_' + editor.name;
var spaceElement;
var getSpaceElement = function()
{
if ( !spaceElement )
spaceElement = CKEDITOR.document.getById( spaceId );
return spaceElement;
};
var idBase = 'cke_elementspath_' + CKEDITOR.tools.getNextNumber() + '_';
editor._.elementsPath = { idBase : idBase, filters : [] };
editor.on( 'themeSpace', function( event )
{
if ( event.data.space == 'bottom' )
{
event.data.html +=
'<span id="' + spaceId + '_label" class="cke_voice_label">' + editor.lang.elementsPath.eleLabel + '</span>' +
'<div id="' + spaceId + '" class="cke_path" role="group" aria-labelledby="' + spaceId + '_label">' + emptyHtml + '</div>';
}
});
function onClick( elementIndex )
{
editor.focus();
var element = editor._.elementsPath.list[ elementIndex ];
if ( element.is( 'body' ) )
{
var range = new CKEDITOR.dom.range( editor.document );
range.selectNodeContents( element );
range.select();
}
else
editor.getSelection().selectElement( element );
}
var onClickHanlder = CKEDITOR.tools.addFunction( onClick );
var onKeyDownHandler = CKEDITOR.tools.addFunction( function( elementIndex, ev )
{
var idBase = editor._.elementsPath.idBase,
element;
ev = new CKEDITOR.dom.event( ev );
var rtl = editor.lang.dir == 'rtl';
switch ( ev.getKeystroke() )
{
case rtl ? 39 : 37 : // LEFT-ARROW
case 9 : // TAB
element = CKEDITOR.document.getById( idBase + ( elementIndex + 1 ) );
if ( !element )
element = CKEDITOR.document.getById( idBase + '0' );
element.focus();
return false;
case rtl ? 37 : 39 : // RIGHT-ARROW
case CKEDITOR.SHIFT + 9 : // SHIFT + TAB
element = CKEDITOR.document.getById( idBase + ( elementIndex - 1 ) );
if ( !element )
element = CKEDITOR.document.getById( idBase + ( editor._.elementsPath.list.length - 1 ) );
element.focus();
return false;
case 27 : // ESC
editor.focus();
return false;
case 13 : // ENTER // Opera
case 32 : // SPACE
onClick( elementIndex );
return false;
}
return true;
});
editor.on( 'selectionChange', function( ev )
{
var env = CKEDITOR.env,
selection = ev.data.selection,
element = selection.getStartElement(),
html = [],
editor = ev.editor,
elementsList = editor._.elementsPath.list = [],
filters = editor._.elementsPath.filters;
while ( element )
{
var ignore = 0,
name;
if ( element.data( 'cke-display-name' ) )
name = element.data( 'cke-display-name' );
else if ( element.data( 'cke-real-element-type' ) )
name = element.data( 'cke-real-element-type' );
else
name = element.getName();
for ( var i = 0; i < filters.length; i++ )
{
var ret = filters[ i ]( element, name );
if ( ret === false )
{
ignore = 1;
break;
}
name = ret || name;
}
if ( !ignore )
{
var index = elementsList.push( element ) - 1;
// Use this variable to add conditional stuff to the
// HTML (because we are doing it in reverse order... unshift).
var extra = '';
// Some browsers don't cancel key events in the keydown but in the
// keypress.
// TODO: Check if really needed for Gecko+Mac.
if ( env.opera || ( env.gecko && env.mac ) )
extra += ' onkeypress="return false;"';
// With Firefox, we need to force the button to redraw, otherwise it
// will remain in the focus state.
if ( env.gecko )
extra += ' onblur="this.style.cssText = this.style.cssText;"';
var label = editor.lang.elementsPath.eleTitle.replace( /%1/, name );
html.unshift(
'<a' +
' id="', idBase, index, '"' +
' href="javascript:void(\'', name, '\')"' +
' tabindex="-1"' +
' title="', label, '"' +
( ( CKEDITOR.env.gecko && CKEDITOR.env.version < 10900 ) ?
' onfocus="event.preventBubble();"' : '' ) +
' hidefocus="true" ' +
' onkeydown="return CKEDITOR.tools.callFunction(', onKeyDownHandler, ',', index, ', event );"' +
extra ,
' onclick="CKEDITOR.tools.callFunction('+ onClickHanlder, ',', index, '); return false;"',
' role="button" aria-labelledby="' + idBase + index + '_label">',
name,
'<span id="', idBase, index, '_label" class="cke_label">' + label + '</span>',
'</a>' );
}
if ( name == 'body' )
break;
element = element.getParent();
}
var space = getSpaceElement();
space.setHtml( html.join('') + emptyHtml );
editor.fire( 'elementsPathUpdate', { space : space } );
});
function empty()
{
spaceElement && spaceElement.setHtml( emptyHtml );
delete editor._.elementsPath.list;
}
editor.on( 'readOnly', empty );
editor.on( 'contentDomUnload', empty );
editor.addCommand( 'elementsPathFocus', commands.toolbarFocus );
}
});
})();
/**
* Fired when the contents of the elementsPath are changed
* @name CKEDITOR.editor#elementsPathUpdate
* @event
* @param {Object} eventData.space The elementsPath container
*/
........