org.jetbrains.android.inspections.MoveFileQuickFix.java Source code

Introduction

Here is the source code for org.jetbrains.android.inspections.MoveFileQuickFix.java

Source

/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * 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.android.inspections;

import com.intellij.codeInspection.LocalQuickFix;
import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.openapi.command.WriteCommandAction;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.psi.PsiDirectory;
import com.intellij.psi.PsiFile;
import com.intellij.psi.SmartPointerManager;
import com.intellij.psi.SmartPsiElementPointer;
import com.intellij.psi.xml.XmlFile;
import com.intellij.refactoring.move.moveFilesOrDirectories.MoveFilesOrDirectoriesUtil;
import org.jetbrains.annotations.Nls;
import org.jetbrains.annotations.NotNull;

public class MoveFileQuickFix implements LocalQuickFix {
    @NotNull
    private final String myFolderName;

    @NotNull
    private final SmartPsiElementPointer<XmlFile> myFile;

    public MoveFileQuickFix(@NotNull String folderName, @NotNull XmlFile file) {
        myFolderName = folderName;
        myFile = SmartPointerManager.getInstance(file.getProject()).createSmartPsiElementPointer(file);
    }

    @Nls
    @NotNull
    @Override
    public String getName() {
        return String.format("Move file to \"%s\"", myFolderName);
    }

    @Nls
    @NotNull
    @Override
    public String getFamilyName() {
        return "Move file";
    }

    @Override
    public boolean startInWriteAction() {
        return false;
    }

    @Override
    public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
        final XmlFile xmlFile = myFile.getElement();
        if (xmlFile == null) {
            return;
        }

        // Following assertions should be satisfied by xmlFile being passed to the constructor
        final PsiDirectory directory = xmlFile.getContainingDirectory();
        assert directory != null;

        final PsiDirectory parent = directory.getParent();
        assert parent != null;

        PsiDirectory existingDirectory = parent.findSubdirectory(myFolderName);
        final PsiDirectory resultDirectory = existingDirectory == null ? parent.createSubdirectory(myFolderName)
                : existingDirectory;

        final boolean removeFirst;
        if (resultDirectory.findFile(xmlFile.getName()) != null) {
            final String message = String.format("File %s already exists in directory %s. Overwrite it?",
                    xmlFile.getName(), resultDirectory.getName());
            removeFirst = Messages.showOkCancelDialog(project, message, "Move Resource File",
                    Messages.getWarningIcon()) == Messages.OK;

            if (!removeFirst) {
                // User pressed "Cancel", do nothing
                return;
            }
        } else {
            removeFirst = false;
        }

        new WriteCommandAction.Simple(project, xmlFile) {
            @Override
            protected void run() throws Throwable {
                if (removeFirst) {
                    final PsiFile file = resultDirectory.findFile(xmlFile.getName());
                    if (file != null) {
                        file.delete();
                    }
                }
                MoveFilesOrDirectoriesUtil.doMoveFile(xmlFile, resultDirectory);
            }
        }.execute();
    }
}