EntitiesFormatter.java

/*
 * generated by Xtext
 */
package org.example.entities.formatting;

import org.eclipse.xtext.formatting.impl.AbstractDeclarativeFormatter;
import org.eclipse.xtext.formatting.impl.FormattingConfig;
import org.example.entities.services.EntitiesGrammarAccess;
import org.example.entities.services.EntitiesGrammarAccess.AttributeElements;
import org.example.entities.services.EntitiesGrammarAccess.EntityElements;

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

    @Override
    protected void configureFormatting(FormattingConfig c) {
        EntitiesGrammarAccess g = (EntitiesGrammarAccess) getGrammarAccess();

        // formatting for entities
        EntityElements e = g.getEntityAccess();
        // indentation between { }
        c.setIndentation(e.getLeftCurlyBracketKeyword_3(),
                e.getRightCurlyBracketKeyword_5());
        // newline after {
        c.setLinewrap().after(e.getLeftCurlyBracketKeyword_3());
        // two newlines after }        
        c.setLinewrap(2).after(e.getRightCurlyBracketKeyword_5());
        
        // formatting for attributes
        AttributeElements a = g.getAttributeAccess();
        // newline after ;
        c.setLinewrap(1).after(a.getSemicolonKeyword_2());
        // remove possible spaces before the ;
        c.setNoSpace().before(a.getSemicolonKeyword_2());

        // It's usually a good idea to activate the following three statements.
        // They will add and preserve newlines around comments
        c.setLinewrap(0, 1, 2).before(g.getSL_COMMENTRule());
        c.setLinewrap(0, 1, 2).before(g.getML_COMMENTRule());
        c.setLinewrap(0, 1, 1).after(g.getML_COMMENTRule());
    }
}