org.eclipse.osbp.xtext.datamartdsl/src/org/eclipse/osbp/xtext/datamartdsl/formatting/DatamartDSLFormatter.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
 *
 */
package org.eclipse.osbp.xtext.datamartdsl.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

//import org.eclipse.osbp.xtext.datamartdsl.services.DatamartDSLGrammarAccess
/**
 * 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 DatamartDSLFormatter extends AbstractDeclarativeFormatter {

	//	@Inject extension DatamartDSLGrammarAccess
	@Inject OXtypeGrammarAccess grammarAccess

	override protected void configureFormatting(FormattingConfig c) {
		val genericFormatter = new GenericFormatter()
		var ParserRule referenceDef = GrammarUtil.findRuleForName(grammar.grammar, "DatamartReference") as ParserRule
		var ParserRule slicerDef = GrammarUtil.findRuleForName(grammar.grammar, "DatamartSlicer") as ParserRule
		var ParserRule hierarchyDef = GrammarUtil.findRuleForName(grammar.grammar, "DatamartHierarchy") as ParserRule
		var ParserRule measureDef = GrammarUtil.findRuleForName(grammar.grammar, "DatamartMeasure") as ParserRule
		var ParserRule numOrElementDef = GrammarUtil.findRuleForName(grammar.grammar, "DatamartNumberOrElement") as ParserRule
		var ParserRule conditionDef = GrammarUtil.findRuleForName(grammar.grammar, "DatamartCondition") as ParserRule
		var ParserRule condExprDef = GrammarUtil.findRuleForName(grammar.grammar, "DatamartConditionalExpression") as ParserRule

		//		var ParserRule propertyDef       = GrammarUtil.findRuleForName( grammar.grammar, "DatamartProperty"              ) as ParserRule
		//		var ParserRule DerivedMeasureDef = GrammarUtil.findRuleForName( grammar.grammar, "DatamartDerivedMeasure"        ) as ParserRule
		//		var ParserRule expressionDef     = GrammarUtil.findRuleForName( grammar.grammar, "Expression"                    ) as ParserRule
		//		var ParserRule cubeElementDef    = GrammarUtil.findRuleForName( grammar.grammar, "DatamartCubeElement"           ) as ParserRule
		//		var ParserRule paramFuncDef      = GrammarUtil.findRuleForName( grammar.grammar, "DatamartParameterFunction"     ) as ParserRule
		//	dsl-specific formatting:
		c.setNoLinewrap().before(referenceDef)

		//		c.setNoLinewrap().before ( expressionDef   )
		c.setNoLinewrap().between(slicerDef, hierarchyDef)

		//		c.setNoLinewrap().between( conditionDef, propertyDef  )
		c.setNoLinewrap().between(conditionDef, condExprDef)
		c.setNoLinewrap().between(hierarchyDef, measureDef)
		c.setNoLinewrap().before(numOrElementDef)

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