com.intellij.refactoring.ui.RefactoringDialog.java Source code

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/*
 * 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.refactoring.ui;

import com.intellij.openapi.options.ConfigurationException;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.DialogWrapper;
import com.intellij.openapi.util.SystemInfo;
import com.intellij.refactoring.BaseRefactoringProcessor;
import com.intellij.refactoring.RefactoringBundle;
import org.jetbrains.annotations.NotNull;

import javax.swing.*;
import java.awt.event.ActionEvent;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * Author: msk
 */
public abstract class RefactoringDialog extends DialogWrapper {

    private Action myRefactorAction;
    private Action myPreviewAction;
    private boolean myCbPreviewResults;
    protected final Project myProject;

    protected RefactoringDialog(@NotNull Project project, boolean canBeParent) {
        super(project, canBeParent);
        myCbPreviewResults = true;
        myProject = project;
    }

    public final boolean isPreviewUsages() {
        return myCbPreviewResults;
    }

    public void setPreviewResults(boolean previewResults) {
        myCbPreviewResults = previewResults;
    }

    @Override
    protected void createDefaultActions() {
        super.createDefaultActions();
        myRefactorAction = new RefactorAction();
        myPreviewAction = new PreviewAction();
    }

    /**
     * @return default implementation of "Refactor" action.
     */
    protected final Action getRefactorAction() {
        return myRefactorAction;
    }

    /**
     * @return default implementation of "Preview" action.
     */
    protected final Action getPreviewAction() {
        return myPreviewAction;
    }

    protected abstract void doAction();

    private void doPreviewAction() {
        myCbPreviewResults = true;
        doAction();
    }

    protected void doRefactorAction() {
        myCbPreviewResults = false;
        doAction();
    }

    protected final void closeOKAction() {
        super.doOKAction();
    }

    @Override
    protected final void doOKAction() {
        doAction();
    }

    protected boolean areButtonsValid() {
        return true;
    }

    protected void canRun() throws ConfigurationException {
        if (!areButtonsValid())
            throw new ConfigurationException(null);
    }

    protected void validateButtons() {
        boolean enabled = true;
        try {
            setErrorText(null);
            canRun();
        } catch (ConfigurationException e) {
            enabled = false;
            setErrorText(e.getMessage());
        }
        getPreviewAction().setEnabled(enabled);
        getRefactorAction().setEnabled(enabled);
    }

    protected boolean hasHelpAction() {
        return true;
    }

    protected boolean hasPreviewButton() {
        return true;
    }

    @Override
    @NotNull
    protected Action[] createActions() {
        List<Action> actions = new ArrayList<Action>();
        actions.add(getRefactorAction());
        if (hasPreviewButton())
            actions.add(getPreviewAction());
        actions.add(getCancelAction());

        if (hasHelpAction())
            actions.add(getHelpAction());

        if (SystemInfo.isMac) {
            Collections.reverse(actions);
        }
        return actions.toArray(new Action[actions.size()]);
    }

    protected Project getProject() {
        return myProject;
    }

    private class RefactorAction extends AbstractAction {
        public RefactorAction() {
            putValue(Action.NAME, RefactoringBundle.message("refactor.button"));
            putValue(DEFAULT_ACTION, Boolean.TRUE);
        }

        @Override
        public void actionPerformed(ActionEvent e) {
            doRefactorAction();
        }
    }

    private class PreviewAction extends AbstractAction {
        public PreviewAction() {
            putValue(Action.NAME, RefactoringBundle.message("preview.button"));

            if (SystemInfo.isMac) {
                putValue(FOCUSED_ACTION, Boolean.TRUE);
            }
        }

        @Override
        public void actionPerformed(ActionEvent e) {
            doPreviewAction();
        }
    }

    protected void invokeRefactoring(BaseRefactoringProcessor processor) {
        final Runnable prepareSuccessfulCallback = new Runnable() {
            @Override
            public void run() {
                close(DialogWrapper.OK_EXIT_CODE);
            }
        };
        processor.setPrepareSuccessfulSwingThreadCallback(prepareSuccessfulCallback);
        processor.setPreviewUsages(isPreviewUsages());
        processor.run();
    }
}