lang-impl/src/com/intellij/refactoring/actions/PullUpAction.java

   1 package com.intellij.refactoring.actions;
   2
   3 import com.intellij.lang.Language;
   4 import com.intellij.lang.LanguageRefactoringSupport;
   5 import com.intellij.openapi.actionSystem.DataContext;
   6 import com.intellij.openapi.actionSystem.LangDataKeys;
   7 import com.intellij.psi.PsiElement;
   8 import com.intellij.refactoring.RefactoringActionHandler;
   9 import com.intellij.refactoring.lang.ElementsHandler;
  10
  11 public class PullUpAction extends BaseRefactoringAction {
  12   public boolean isAvailableInEditorOnly() {
  13     return false;
  14   }
  15
  16   public boolean isEnabledOnElements(PsiElement[] elements) {
  17     if (elements.length > 0) {
  18       final Language language = elements[0].getLanguage();
  19       final RefactoringActionHandler handler = LanguageRefactoringSupport.INSTANCE.forLanguage(language).getPullUpHandler();
  20       return handler instanceof ElementsHandler && ((ElementsHandler)handler).isEnabledOnElements(elements);
  21     }
  22     return false;
  23   }
  24
  25   public RefactoringActionHandler getHandler(DataContext dataContext) {
  26     final Language language = LangDataKeys.LANGUAGE.getData(dataContext);
  27     if (language != null) {
  28       return LanguageRefactoringSupport.INSTANCE.forLanguage(language).getPullUpHandler();
  29     }
  30
  31     return null;
  32   }
  33
  34   protected boolean isAvailableForLanguage(final Language language) {
  35     return LanguageRefactoringSupport.INSTANCE.forLanguage(language).getPullUpHandler() != null;
  36   }
  37 }