org.jetbrains.plugins.groovy.findUsages.GroovyFieldFindUsagesHandlerFactory.java Source code

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Here is the source code for org.jetbrains.plugins.groovy.findUsages.GroovyFieldFindUsagesHandlerFactory.java

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/*
 * Copyright 2000-2010 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.findUsages;

import com.intellij.find.FindBundle;
import com.intellij.find.findUsages.FindUsagesHandler;
import com.intellij.find.findUsages.JavaFindUsagesHandler;
import com.intellij.find.findUsages.JavaFindUsagesHandlerFactory;
import com.intellij.ide.util.SuperMethodWarningUtil;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.DialogWrapper;
import com.intellij.openapi.ui.Messages;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiField;
import com.intellij.psi.PsiMethod;
import com.intellij.psi.util.PsiUtilCore;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrField;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrAccessorMethod;
import org.jetbrains.plugins.groovy.lang.psi.util.GroovyPropertyUtils;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**
 * @author Maxim.Medvedev
 */
public class GroovyFieldFindUsagesHandlerFactory extends JavaFindUsagesHandlerFactory {
    public GroovyFieldFindUsagesHandlerFactory(Project project) {
        super(project);
    }

    @Override
    public boolean canFindUsages(@NotNull PsiElement element) {
        return element instanceof GrField;
    }

    @Override
    public FindUsagesHandler createFindUsagesHandler(@NotNull PsiElement element, boolean forHighlightUsages) {
        return new JavaFindUsagesHandler(element, this) {
            @NotNull
            @Override
            public PsiElement[] getSecondaryElements() {
                PsiElement element = getPsiElement();
                final PsiField field = (PsiField) element;
                PsiClass containingClass = field.getContainingClass();
                if (containingClass != null) {
                    PsiMethod[] getters = GroovyPropertyUtils.getAllGettersByField(field);
                    PsiMethod[] setters = GroovyPropertyUtils.getAllSettersByField(field);
                    if (getters.length + setters.length > 0) {
                        final boolean doSearch;
                        if (arePhysical(getters) || arePhysical(setters)) {
                            if (ApplicationManager.getApplication().isUnitTestMode())
                                return PsiElement.EMPTY_ARRAY;
                            doSearch = Messages.showYesNoDialog(
                                    FindBundle.message("find.field.accessors.prompt", field.getName()),
                                    FindBundle.message("find.field.accessors.title"),
                                    Messages.getQuestionIcon()) == DialogWrapper.OK_EXIT_CODE;
                        } else {
                            doSearch = true;
                        }
                        if (doSearch) {
                            final List<PsiElement> elements = new ArrayList<PsiElement>();
                            for (PsiMethod getter : getters) {
                                ContainerUtil.addAll(elements,
                                        SuperMethodWarningUtil.checkSuperMethods(getter, ACTION_STRING));
                            }

                            for (PsiMethod setter : setters) {
                                ContainerUtil.addAll(elements,
                                        SuperMethodWarningUtil.checkSuperMethods(setter, ACTION_STRING));
                            }
                            for (Iterator<PsiElement> iterator = elements.iterator(); iterator.hasNext();) {
                                if (iterator.next() instanceof GrAccessorMethod)
                                    iterator.remove();
                            }
                            return PsiUtilCore.toPsiElementArray(elements);
                        } else {
                            return PsiElement.EMPTY_ARRAY;
                        }
                    }
                }
                return super.getSecondaryElements();
            }
        };
    }

    private static boolean arePhysical(PsiMethod[] methods) {
        for (PsiMethod method : methods) {
            if (method.isPhysical())
                return true;
        }
        return false;
    }
}