GherkinFormattingModelBuilder.java example

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package org.jetbrains.plugins.cucumber.psi.formatter;

import com.intellij.formatting.FormattingModel;
import com.intellij.formatting.FormattingModelBuilder;
import com.intellij.lang.ASTNode;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.codeStyle.CodeStyleSettings;
import com.intellij.psi.formatter.DocumentBasedFormattingModel;
import com.intellij.psi.impl.source.SourceTreeToPsiMap;
import com.intellij.psi.impl.source.tree.FileElement;
import com.intellij.psi.impl.source.tree.TreeElement;
import com.intellij.psi.impl.source.tree.TreeUtil;
import org.jetbrains.annotations.NotNull;

/**
 * @author yole
 */
public class GherkinFormattingModelBuilder implements FormattingModelBuilder {
  @NotNull
  public FormattingModel createModel(PsiElement element, CodeStyleSettings settings) {
    final PsiFile file = element.getContainingFile();
    final FileElement fileElement = TreeUtil.getFileElement((TreeElement)SourceTreeToPsiMap.psiElementToTree(element));
    final GherkinBlock rootBlock = new GherkinBlock(fileElement);
    //FormattingModelDumper.dumpFormattingModel(rootBlock, 0, System.out);
    return new DocumentBasedFormattingModel(rootBlock, file.getProject(), settings, file.getFileType(), file);
  }

  public TextRange getRangeAffectingIndent(PsiFile file, int offset, ASTNode elementAtOffset) {
    return null;
  }
}