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.utils.xtext.GenericFormatter
//import org.eclipse.osbp.xtext.functionlibrarydsl.services.FunctionLibraryDslGrammarAccess
import org.eclipse.xtext.formatting.impl.AbstractDeclarativeFormatter
import org.eclipse.xtext.formatting.impl.FormattingConfig
import org.eclipse.xtext.xbase.services.XtypeGrammarAccess
import org.eclipse.xtext.GrammarUtil
import org.eclipse.xtext.ParserRule

/**
 * 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 XtypeGrammarAccess grammarAccess

	override protected void configureFormatting(FormattingConfig c) {
		val genericFormatter = new GenericFormatter()
//		var ParserRule importDef     =  GrammarUtil.findRuleForName( grammar.grammar, "XImportSection"                ) as ParserRule
		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
//		var ParserRule modelConvDef  =  GrammarUtil.findRuleForName( grammar.grammar, "FunctionConvertToModel"        ) as ParserRule
//		var ParserRule presConvDef   =  GrammarUtil.findRuleForName( grammar.grammar, "FunctionConvertToPresentation" ) 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    )
//		c.setNoLinewrap() .before( modelConvDef )
//		c.setNoLinewrap() .before( presConvDef  )

		//	common formatting:
		genericFormatter.genericFormatting( c, grammar, grammarAccess )
	}
}