org.eclipse.ltk.ui.refactoring.actions.CreateRefactoringScriptAction.java Source code

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Here is the source code for org.eclipse.ltk.ui.refactoring.actions.CreateRefactoringScriptAction.java

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/*******************************************************************************
 * Copyright (c) 2005, 2008 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.ltk.ui.refactoring.actions;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IProgressMonitor;

import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.operation.IRunnableContext;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.wizard.WizardDialog;

import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.PlatformUI;

import org.eclipse.ltk.core.refactoring.RefactoringCore;
import org.eclipse.ltk.core.refactoring.history.IRefactoringHistoryService;
import org.eclipse.ltk.internal.ui.refactoring.IRefactoringHelpContextIds;
import org.eclipse.ltk.internal.ui.refactoring.RefactoringUIPlugin;
import org.eclipse.ltk.internal.ui.refactoring.scripting.CreateRefactoringScriptWizard;
import org.eclipse.ltk.internal.ui.refactoring.scripting.ScriptingMessages;

/**
 * Action to open the dialog to create a refactoring script from the refactoring history.
 *
 * <p>
 * This class may be instantiated; it is not intended to be subclassed.
 * </p>
 *
 * @since 3.3
 */
public final class CreateRefactoringScriptAction implements IWorkbenchWindowActionDelegate {

    /** The wizard height */
    private static final int SIZING_WIZARD_HEIGHT = 610;

    /** The wizard width */
    private static final int SIZING_WIZARD_WIDTH = 500;

    /**
     * Shows the create script wizard.
     *
     * @param window
     *            the workbench window
     */
    private static void showCreateScriptWizard(final IWorkbenchWindow window) {
        Assert.isNotNull(window);
        final CreateRefactoringScriptWizard wizard = new CreateRefactoringScriptWizard();
        try {
            IRunnableContext context = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
            if (context == null)
                context = PlatformUI.getWorkbench().getProgressService();
            context.run(false, true, new IRunnableWithProgress() {

                public void run(final IProgressMonitor monitor)
                        throws InvocationTargetException, InterruptedException {
                    final IRefactoringHistoryService service = RefactoringCore.getHistoryService();
                    try {
                        service.connect();
                        wizard.setRefactoringHistory(service.getWorkspaceHistory(monitor));
                    } finally {
                        service.disconnect();
                    }
                }
            });
        } catch (InvocationTargetException exception) {
            RefactoringUIPlugin.log(exception);
        } catch (InterruptedException exception) {
            return;
        }
        final WizardDialog dialog = new WizardDialog(window.getShell(), wizard) {

            protected final void createButtonsForButtonBar(final Composite parent) {
                super.createButtonsForButtonBar(parent);
                getButton(IDialogConstants.FINISH_ID)
                        .setText(ScriptingMessages.CreateRefactoringScriptAction_finish_button_label);
            }
        };
        dialog.create();
        dialog.getShell().setSize(Math.max(SIZING_WIZARD_WIDTH, dialog.getShell().getSize().x),
                SIZING_WIZARD_HEIGHT);
        PlatformUI.getWorkbench().getHelpSystem().setHelp(dialog.getShell(),
                IRefactoringHelpContextIds.REFACTORING_CREATE_SCRIPT_PAGE);
        dialog.open();
    }

    /** The workbench window, or <code>null</code> */
    private IWorkbenchWindow fWindow = null;

    /**
     * {@inheritDoc}
     */
    public void dispose() {
        // Do nothing
    }

    /**
     * {@inheritDoc}
     */
    public void init(final IWorkbenchWindow window) {
        fWindow = window;
    }

    /**
     * {@inheritDoc}
     */
    public void run(final IAction action) {
        if (fWindow != null) {
            showCreateScriptWizard(fWindow);
        }
    }

    /**
     * {@inheritDoc}
     */
    public void selectionChanged(final IAction action, final ISelection selection) {
        // Do nothing
    }
}