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/*
Copyright (c) 2003-2013, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/
/**
* @file Horizontal Page Break
*/
// Register a plugin named "pagebreak".
CKEDITOR.plugins.add( 'pagebreak',
{
init : function( editor )
{
// Register the command.
editor.addCommand( 'pagebreak', CKEDITOR.plugins.pagebreakCmd );
// Register the toolbar button.
editor.ui.addButton( 'PageBreak',
{
label : editor.lang.pagebreak,
command : 'pagebreak'
});
var cssStyles = [
'{' ,
'background: url(' + CKEDITOR.getUrl( this.path + 'images/pagebreak.gif' ) + ') no-repeat center center;' ,
'clear: both;' ,
'width:100%; _width:99.9%;' ,
'border-top: #999999 1px dotted;' ,
'border-bottom: #999999 1px dotted;' ,
'padding:0;' ,
'height: 5px;' ,
'cursor: default;' ,
'}'
].join( '' ).replace(/;/g, ' !important;' ); // Increase specificity to override other styles, e.g. block outline.
// Add the style that renders our placeholder.
editor.addCss( 'div.cke_pagebreak' + cssStyles );
// Opera needs help to select the page-break.
CKEDITOR.env.opera && editor.on( 'contentDom', function()
{
editor.document.on( 'click', function( evt )
{
var target = evt.data.getTarget();
if ( target.is( 'div' ) && target.hasClass( 'cke_pagebreak') )
editor.getSelection().selectElement( target );
});
});
},
afterInit : function( editor )
{
var label = editor.lang.pagebreakAlt;
// Register a filter to displaying placeholders after mode change.
var dataProcessor = editor.dataProcessor,
dataFilter = dataProcessor && dataProcessor.dataFilter,
htmlFilter = dataProcessor && dataProcessor.htmlFilter;
if ( htmlFilter )
{
htmlFilter.addRules(
{
attributes : {
'class' : function( value, element )
{
var className = value.replace( 'cke_pagebreak', '' );
if ( className != value )
{
var span = CKEDITOR.htmlParser.fragment.fromHtml( '<span style="display: none;"> </span>' );
element.children.length = 0;
element.add( span );
var attrs = element.attributes;
delete attrs[ 'aria-label' ];
delete attrs.contenteditable;
delete attrs.title;
}
return className;
}
}
}, 5 );
}
if ( dataFilter )
{
dataFilter.addRules(
{
elements :
{
div : function( element )
{
var attributes = element.attributes,
style = attributes && attributes.style,
child = style && element.children.length == 1 && element.children[ 0 ],
childStyle = child && ( child.name == 'span' ) && child.attributes.style;
if ( childStyle && ( /page-break-after\s*:\s*always/i ).test( style ) && ( /display\s*:\s*none/i ).test( childStyle ) )
{
attributes.contenteditable = "false";
attributes[ 'class' ] = "cke_pagebreak";
attributes[ 'data-cke-display-name' ] = "pagebreak";
attributes[ 'aria-label' ] = label;
attributes[ 'title' ] = label;
element.children.length = 0;
}
}
}
});
}
},
requires : [ 'fakeobjects' ]
});
CKEDITOR.plugins.pagebreakCmd =
{
exec : function( editor )
{
var label = editor.lang.pagebreakAlt;
// Create read-only element that represents a print break.
var pagebreak = CKEDITOR.dom.element.createFromHtml(
'<div style="' +
'page-break-after: always;"' +
'contenteditable="false" ' +
'title="'+ label + '" ' +
'aria-label="'+ label + '" ' +
'data-cke-display-name="pagebreak" ' +
'class="cke_pagebreak">' +
'</div>', editor.document );
var ranges = editor.getSelection().getRanges( true );
editor.fire( 'saveSnapshot' );
for ( var range, i = ranges.length - 1 ; i >= 0; i-- )
{
range = ranges[ i ];
if ( i < ranges.length -1 )
pagebreak = pagebreak.clone( true );
range.splitBlock( 'p' );
range.insertNode( pagebreak );
if ( i == ranges.length - 1 )
{
var next = pagebreak.getNext();
range.moveToPosition( pagebreak, CKEDITOR.POSITION_AFTER_END );
// If there's nothing or a non-editable block followed by, establish a new paragraph
// to make sure cursor is not trapped.
if ( !next || next.type == CKEDITOR.NODE_ELEMENT && !next.isEditable() )
range.fixBlock( true, editor.config.enterMode == CKEDITOR.ENTER_DIV ? 'div' : 'p' );
range.select();
}
}
editor.fire( 'saveSnapshot' );
}
};
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