SalesSystemOnline/ckeditor_3.6/ckeditor/_source/plugins/blockquote/plugin.js

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/*
Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.html or http://ckeditor.com/license
*/

/**
 * @file Blockquote.
 */

(function()
{
	function getState( editor, path )
	{
		var firstBlock = path.block || path.blockLimit;

		if ( !firstBlock || firstBlock.getName() == 'body' )
			return CKEDITOR.TRISTATE_OFF;

		// See if the first block has a blockquote parent.
		if ( firstBlock.getAscendant( 'blockquote', true ) )
			return CKEDITOR.TRISTATE_ON;

		return CKEDITOR.TRISTATE_OFF;
	}

	function onSelectionChange( evt )
	{
		var editor = evt.editor;
		if ( editor.readOnly )
			return;

		var command = editor.getCommand( 'blockquote' );
		command.state = getState( editor, evt.data.path );
		command.fire( 'state' );
	}

	function noBlockLeft( bqBlock )
	{
		for ( var i = 0, length = bqBlock.getChildCount(), child ; i < length && ( child = bqBlock.getChild( i ) ) ; i++ )
		{
			if ( child.type == CKEDITOR.NODE_ELEMENT && child.isBlockBoundary() )
				return false;
		}
		return true;
	}

	var commandObject =
	{
		exec : function( editor )
		{
			var state = editor.getCommand( 'blockquote' ).state,
				selection = editor.getSelection(),
				range = selection && selection.getRanges( true )[0];

			if ( !range )
				return;

			var bookmarks = selection.createBookmarks();

			// Kludge for #1592: if the bookmark nodes are in the beginning of
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