org.eclipse.osbp.xtext.functionlibrarydsl/src/org/eclipse/osbp/xtext/functionlibrarydsl/formatting/FunctionLibraryDslFormatter.xtend

/**
 *                                                                            
 *  Copyright (c) 2011, 2016 - Loetz GmbH&Co.KG (69115 Heidelberg, Germany) 
 *                                                                            
 *  All rights reserved. This program and the accompanying materials           
 *  are made available under the terms of the Eclipse Public License v1.0       
 *  which accompanies this distribution, and is available at                  
 *  http://www.eclipse.org/legal/epl-v10.html                                 
 *                                                                            
 *  Contributors:                                                      
 * 	   Christophe Loetz (Loetz GmbH&Co.KG) - initial implementation
 * 
 * 
 *  This copyright notice shows up in the generated Java code
 *
 */
package org.eclipse.osbp.xtext.functionlibrarydsl.formatting

import com.google.inject.Inject
import org.eclipse.osbp.xtext.oxtype.formatting.GenericFormatter
import org.eclipse.osbp.xtext.oxtype.services.OXtypeGrammarAccess
import org.eclipse.xtext.GrammarUtil
import org.eclipse.xtext.ParserRule
import org.eclipse.xtext.formatting.impl.AbstractDeclarativeFormatter
import org.eclipse.xtext.formatting.impl.FormattingConfig

/**
 * This class contains custom formatting description.
 * 
 * see : http://www.eclipse.org/Xtext/documentation.html#formatting
 * on how and when to use it 
 * 
 * Also see {@link org.eclipse.xtext.xtext.XtextFormattingTokenSerializer} as an example
 */
class FunctionLibraryDslFormatter extends AbstractDeclarativeFormatter {

	//	@Inject extension FunctionLibraryDslGrammarAccess
	@Inject OXtypeGrammarAccess grammarAccess

	override protected void configureFormatting(FormattingConfig c) {
		val genericFormatter = new GenericFormatter()

		var ParserRule packageDef = GrammarUtil.findRuleForName(grammar.grammar, "FunctionLibraryPackage") as ParserRule
		var ParserRule groupDef = GrammarUtil.findRuleForName(grammar.grammar, "FunctionLibraryGroup") as ParserRule
		var ParserRule convGroupDef = GrammarUtil.findRuleForName(grammar.grammar, "FunctionLibraryConverterGroup") as ParserRule
		var ParserRule ratingDef = GrammarUtil.findRuleForName(grammar.grammar, "FunctionLibraryRating") as ParserRule
		//	dsl-specific formatting:
		c.setLinewrap(2).before(packageDef)
		c.setLinewrap(2).before(groupDef)
		c.setLinewrap(2).before(convGroupDef)
		c.setLinewrap(2).before(ratingDef)

		genericFormatter.genericFormatting(c, grammar, grammarAccess)
	}
}