/*
* Copyright 2000-2009 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 com.intellij.ide.impl.dataRules;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.actionSystem.DataProvider;
import com.intellij.openapi.actionSystem.LangDataKeys;
import com.intellij.openapi.actionSystem.PlatformDataKeys;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiManager;
public class PsiFileRule implements GetDataRule {
@Override
public Object getData(DataProvider dataProvider) {
final PsiElement element = LangDataKeys.PSI_ELEMENT.getData(dataProvider);
if (element != null) {
return element.getContainingFile();
}
Project project = CommonDataKeys.PROJECT.getData(dataProvider);
if (project != null) {
VirtualFile vFile = PlatformDataKeys.VIRTUAL_FILE.getData(dataProvider);
if (vFile != null) {
return PsiManager.getInstance(project).findFile(vFile);
}
}
return null;
}
}