com.intellij.platform.renameProject.RenameProjectHandler.java Source code

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Here is the source code for com.intellij.platform.renameProject.RenameProjectHandler.java

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/*
 * Copyright 2000-2011 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.platform.renameProject;

import com.intellij.ide.IdeBundle;
import com.intellij.ide.TitledHandler;
import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.actionSystem.LangDataKeys;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.command.CommandProcessor;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.module.ModifiableModuleModel;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.module.ModuleManager;
import com.intellij.openapi.module.ModuleWithNameAlreadyExistsException;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.project.ex.ProjectEx;
import com.intellij.openapi.ui.InputValidator;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.util.Ref;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.refactoring.RefactoringBundle;
import com.intellij.refactoring.rename.RenameHandler;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * @author lene
 *         Date: 30.09.11
 */
public class RenameProjectHandler implements RenameHandler, TitledHandler {
    private static final Logger LOG = Logger.getInstance("#" + RenameProjectHandler.class.getName());

    @Override
    public boolean isAvailableOnDataContext(DataContext dataContext) {
        return isAvailable(dataContext);
    }

    static boolean isAvailable(DataContext dataContext) {
        Module module = LangDataKeys.MODULE_CONTEXT.getData(dataContext);
        return module != null;
    }

    @Override
    public boolean isRenaming(DataContext dataContext) {
        return isAvailableOnDataContext(dataContext);
    }

    @Override
    public String getActionTitle() {
        return RefactoringBundle.message("rename.project.handler.title");
    }

    @Override
    public void invoke(@NotNull Project project, Editor editor, PsiFile file, DataContext dataContext) {
        LOG.error("Project renaming should be never invoked from file");
    }

    @Override
    public void invoke(@NotNull Project project, @NotNull PsiElement[] elements, DataContext dataContext) {
        LOG.assertTrue(project instanceof ProjectEx);

        final Module module = LangDataKeys.MODULE_CONTEXT.getData(dataContext);
        LOG.assertTrue(module != null);
        Messages.showInputDialog(project, RefactoringBundle.message("enter.new.project.name"),
                RefactoringBundle.message("rename.project"), Messages.getQuestionIcon(), project.getName(),
                new MyInputValidator((ProjectEx) project, module));
    }

    protected static class MyInputValidator implements InputValidator {
        private final ProjectEx myProject;
        @Nullable
        private final Module myModule;

        public MyInputValidator(ProjectEx project, @Nullable Module module) {
            myProject = project;
            myModule = module;
        }

        @Override
        public boolean checkInput(String inputString) {
            return inputString != null && inputString.length() > 0;
        }

        @Override
        public boolean canClose(final String inputString) {
            if (!inputString.equals(myProject.getName())) {
                myProject.setProjectName(inputString);
                myProject.save();
            }

            if (myModule != null && !inputString.equals(myModule.getName())) {
                final ModifiableModuleModel modifiableModel = ModuleManager.getInstance(myProject)
                        .getModifiableModel();
                try {
                    modifiableModel.renameModule(myModule, inputString);
                } catch (ModuleWithNameAlreadyExistsException moduleWithNameAlreadyExists) {
                    Messages.showErrorDialog(myProject,
                            IdeBundle.message("error.module.already.exists", inputString),
                            IdeBundle.message("title.rename.module"));
                    return false;
                }
                final Ref<Boolean> success = Ref.create(Boolean.TRUE);
                CommandProcessor.getInstance().executeCommand(myProject, new Runnable() {
                    @Override
                    public void run() {
                        ApplicationManager.getApplication().runWriteAction(new Runnable() {
                            @Override
                            public void run() {
                                modifiableModel.commit();
                            }
                        });
                    }
                }, IdeBundle.message("command.renaming.module", myModule.getName()), null);
                return success.get().booleanValue();
            }
            return true;
        }
    }
}