com.intellij.psi.formatter.FormattingDocumentModelImpl#createOn ( )源码实例Demo

@Override
public TemplateLanguageBlock createTemplateLanguageBlock(
    @NotNull ASTNode node,
    @Nullable Wrap wrap,
    @Nullable Alignment alignment,
    @Nullable List<DataLanguageBlockWrapper> foreignChildren,
    @NotNull CodeStyleSettings codeStyleSettings) {
  final FormattingDocumentModelImpl documentModel =
      FormattingDocumentModelImpl.createOn(node.getPsi().getContainingFile());
  if (node.getPsi() instanceof TagElement) {
    return new SoyTagBlock(
        this,
        codeStyleSettings,
        node,
        foreignChildren,
        new HtmlPolicy(codeStyleSettings, documentModel));
  } else if(node.getPsi() instanceof TagBlockElement) {
    return new SoyTagBlockBlock(
        this,
        codeStyleSettings,
        node,
        foreignChildren,
        new HtmlPolicy(codeStyleSettings, documentModel));
  } else if (node.getPsi() instanceof SoyStatementList) {
    return new SoyStatementListBlock(
        this,
        codeStyleSettings,
        node,
        foreignChildren,
        new HtmlPolicy(codeStyleSettings, documentModel));
  } else {
    return new SoyBlock(
      this,
      codeStyleSettings,
      node,
      foreignChildren,
      new HtmlPolicy(codeStyleSettings, documentModel));
  }
}
 

@Nonnull
@Override
public FormattingModel createModel(PsiElement element, CodeStyleSettings settings)
{
	final PsiFile file = element.getContainingFile();
	FormattingDocumentModelImpl model = FormattingDocumentModelImpl.createOn(element.getContainingFile());
	Block rootBlock = new CSharpFormattingBlock(file.getNode(), null, null, settings);
	return new PsiBasedFormattingModel(file, rootBlock, model);
}
 

@Override
public FormattingModel createFormattingModelForPsiFile(@Nonnull final PsiFile file, @Nonnull final Block rootBlock, final CodeStyleSettings settings) {
  return new PsiBasedFormattingModel(file, rootBlock, FormattingDocumentModelImpl.createOn(file));
}