plugins/groovy/src/org/jetbrains/plugins/groovy/actions/generate/GrBaseGenerateAction.java

/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jetbrains.plugins.groovy.actions.generate;

import com.intellij.codeInsight.CodeInsightActionHandler;
import com.intellij.codeInsight.generation.actions.BaseGenerateAction;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiCompiledElement;
import com.intellij.psi.PsiDocumentManager;
import com.intellij.psi.PsiFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.GroovyFileType;

/**
 * User: Dmitry.Krasilschikov
 * Date: 21.05.2008
 */
public abstract class GrBaseGenerateAction extends BaseGenerateAction {
  public GrBaseGenerateAction(CodeInsightActionHandler handler) {
    super(handler);
  }

  @Override
  protected boolean isValidForFile(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
    if (file instanceof PsiCompiledElement) return false;
    if (!GroovyFileType.GROOVY_FILE_TYPE.equals(file.getFileType())) return false;
    
    PsiDocumentManager.getInstance(project).commitAllDocuments();

    PsiClass targetClass = getTargetClass(editor, file);
    if (targetClass == null) return false;
    if (targetClass.isInterface()) return false; //?

    return true;
  }
}