/* * Copyright 2013-2014 Grzegorz Ligas <[email protected]> and other contributors * (see the CONTRIBUTORS file). * * 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.intellij.xquery.usage; import com.intellij.find.findUsages.FindUsagesHandler; import com.intellij.find.findUsages.FindUsagesHandlerFactory; import com.intellij.lang.findUsages.LanguageFindUsages; import com.intellij.psi.PsiElement; import com.intellij.psi.PsiFileSystemItem; import org.intellij.xquery.XQueryLanguage; import org.jetbrains.annotations.NotNull; /** * User: ligasgr * Date: 08/07/13 * Time: 01:15 */ public class XQueryFindUsagesHandlerFactory extends FindUsagesHandlerFactory { @Override public boolean canFindUsages(@NotNull final PsiElement element) { if (element instanceof PsiFileSystemItem) { if (((PsiFileSystemItem) element).getVirtualFile() == null) return false; } else if (!element.getLanguage().is(XQueryLanguage.INSTANCE)) { return false; } return element.isValid(); } @Override public FindUsagesHandler createFindUsagesHandler(@NotNull final PsiElement element, final boolean forHighlightUsages) { if (canFindUsages(element)) { return new XQueryFindUsagesHandler(element); } return null; } }