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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 "placeholder" plugin.
*
*/
(function()
{
var placeholderReplaceRegex = /\[\[[^\]]+\]\]/g;
CKEDITOR.plugins.add( 'placeholder',
{
requires : [ 'dialog' ],
lang : [ 'bg', 'cs', 'cy', 'da', 'de', 'el', 'en', 'eo', 'et', 'fa', 'fi', 'fr', 'he', 'hr', 'it', 'nb', 'nl', 'no', 'pl', 'pt-br', 'tr', 'ug', 'uk', 'vi', 'zh-cn' ],
init : function( editor )
{
var lang = editor.lang.placeholder;
editor.addCommand( 'createplaceholder', new CKEDITOR.dialogCommand( 'createplaceholder' ) );
editor.addCommand( 'editplaceholder', new CKEDITOR.dialogCommand( 'editplaceholder' ) );
editor.ui.addButton( 'CreatePlaceholder',
{
label : lang.toolbar,
command :'createplaceholder',
icon : this.path + 'placeholder.gif'
});
if ( editor.addMenuItems )
{
editor.addMenuGroup( 'placeholder', 20 );
editor.addMenuItems(
{
editplaceholder :
{
label : lang.edit,
command : 'editplaceholder',
group : 'placeholder',
order : 1,
icon : this.path + 'placeholder.gif'
}
} );
if ( editor.contextMenu )
{
editor.contextMenu.addListener( function( element, selection )
{
if ( !element || !element.data( 'cke-placeholder' ) )
return null;
return { editplaceholder : CKEDITOR.TRISTATE_OFF };
} );
}
}
editor.on( 'doubleclick', function( evt )
{
if ( CKEDITOR.plugins.placeholder.getSelectedPlaceHoder( editor ) )
evt.data.dialog = 'editplaceholder';
});
editor.addCss(
'.cke_placeholder' +
'{' +
'background-color: #ffff00;' +
( CKEDITOR.env.gecko ? 'cursor: default;' : '' ) +
'}'
);
editor.on( 'contentDom', function()
{
editor.document.getBody().on( 'resizestart', function( evt )
{
if ( editor.getSelection().getSelectedElement().data( 'cke-placeholder' ) )
evt.data.preventDefault();
});
});
CKEDITOR.dialog.add( 'createplaceholder', this.path + 'dialogs/placeholder.js' );
CKEDITOR.dialog.add( 'editplaceholder', this.path + 'dialogs/placeholder.js' );
},
afterInit : function( editor )
{
var dataProcessor = editor.dataProcessor,
dataFilter = dataProcessor && dataProcessor.dataFilter,
htmlFilter = dataProcessor && dataProcessor.htmlFilter;
if ( dataFilter )
{
dataFilter.addRules(
{
text : function( text )
{
return text.replace( placeholderReplaceRegex, function( match )
{
return CKEDITOR.plugins.placeholder.createPlaceholder( editor, null, match, 1 );
});
}
});
}
if ( htmlFilter )
{
htmlFilter.addRules(
{
elements :
{
'span' : function( element )
{
if ( element.attributes && element.attributes[ 'data-cke-placeholder' ] )
delete element.name;
}
}
});
}
}
});
})();
CKEDITOR.plugins.placeholder =
{
createPlaceholder : function( editor, oldElement, text, isGet )
{
var element = new CKEDITOR.dom.element( 'span', editor.document );
element.setAttributes(
{
contentEditable : 'false',
'data-cke-placeholder' : 1,
'class' : 'cke_placeholder'
}
);
text && element.setText( text );
if ( isGet )
return element.getOuterHtml();
if ( oldElement )
{
if ( CKEDITOR.env.ie )
{
element.insertAfter( oldElement );
// Some time is required for IE before the element is removed.
setTimeout( function()
{
oldElement.remove();
element.focus();
}, 10 );
}
else
element.replace( oldElement );
}
else
editor.insertElement( element );
return null;
},
getSelectedPlaceHoder : function( editor )
{
var range = editor.getSelection().getRanges()[ 0 ];
range.shrink( CKEDITOR.SHRINK_TEXT );
var node = range.startContainer;
while( node && !( node.type == CKEDITOR.NODE_ELEMENT && node.data( 'cke-placeholder' ) ) )
node = node.getParent();
return node;
}
};
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