com.puppetlabs.geppetto.ui.wizard.AbstractPuppetProjectWizard.java Source code

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Here is the source code for com.puppetlabs.geppetto.ui.wizard.AbstractPuppetProjectWizard.java

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/**
 * Copyright (c) 2013 Puppet Labs, Inc. and other contributors, as listed below.
 * 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:
 *   Puppet Labs
 */
package com.puppetlabs.geppetto.ui.wizard;

import java.io.File;
import java.lang.reflect.InvocationTargetException;
import java.util.Collections;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.emf.common.util.URI;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchWizard;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.actions.WorkspaceModifyOperation;
import org.eclipse.ui.dialogs.WizardNewProjectCreationPage;
import org.eclipse.ui.internal.ide.DialogUtil;

import com.puppetlabs.geppetto.common.os.FileUtils;
import com.puppetlabs.geppetto.ui.UIPlugin;
import com.puppetlabs.geppetto.ui.util.ResourceUtil;

public abstract class AbstractPuppetProjectWizard extends Wizard implements IWorkbenchWizard {

    protected class PuppetProjectCreationPage extends WizardNewProjectCreationPage {

        protected PuppetProjectCreationPage(String pageName) {
            super(pageName);
            setInitialProjectName("unnamed");
        }

        @Override
        protected boolean validatePage() {
            if (super.validatePage()) {
                IPath locationPath = getLocationPath();
                projectLocation = Platform.getLocation().equals(locationPath) ? null : locationPath;
                projectContainer = getProjectHandle().getFullPath();
                return true;
            }
            return false;
        }
    }

    protected IPath projectLocation;

    protected IPath projectContainer;

    protected IProject project;

    @Override
    public void addPages() {
        WizardPage newProjectCreationPage = newProjectCreationPage("NewProjectCreationPage"); //$NON-NLS-1$

        newProjectCreationPage.setTitle(UIPlugin.getLocalString(getWizardPageTitleKey()));
        newProjectCreationPage.setDescription(UIPlugin.getLocalString(getWizardPageDescriptionKey()));

        addPage(newProjectCreationPage);
    }

    protected boolean generateContent() {
        return true;
    }

    protected abstract String getWizardPageDescriptionKey();

    protected abstract String getWizardPageTitleKey();

    protected abstract String getWizardWindowTitleKey();

    @Override
    public void init(IWorkbench workbench, IStructuredSelection selection) {
        setDefaultPageImageDescriptor(UIPlugin.getImageDesc("full/wizban/NewPuppetProject.png")); //$NON-NLS-1$
        setWindowTitle(UIPlugin.getLocalString(getWizardWindowTitleKey()));
    }

    protected abstract void initializeProjectContents(IProgressMonitor monitor) throws Exception;

    /**
     * When creating a new Puppet Module we might end up in the wizard from an import operation such
     * as "Import projects from Git". When this happens, we want to preserve the contents. Subclasses
     * that actually perform import (such as the ImportPuppetModuleFromForgeWizard) must instead ask
     * the user if existing content should be cleared prior to import.
     *
     * @return
     */
    protected boolean mayHaveExistingContents() {
        return true;
    }

    protected WizardPage newProjectCreationPage(String pageName) {
        return new PuppetProjectCreationPage(pageName);
    }

    @Override
    public boolean performFinish() {
        try {
            project = null;
            getContainer().run(false, false, new WorkspaceModifyOperation() {

                @Override
                protected void execute(IProgressMonitor progressMonitor) throws InvocationTargetException {
                    SubMonitor monitor = SubMonitor.convert(progressMonitor, 100);
                    try {
                        String projectName = projectContainer.segment(0);
                        if (projectLocation == null)
                            projectLocation = ResourcesPlugin.getWorkspace().getRoot().getLocation()
                                    .append(projectName);
                        File projectDir = projectLocation.toFile();
                        if (projectDir.exists() && !mayHaveExistingContents()) {
                            if (!MessageDialog.openConfirm(getShell(),
                                    UIPlugin.getLocalString("_UI_Confirm_Overwrite"), UIPlugin.getLocalString(
                                            "_UI_Directory_not_empty", projectDir.getAbsolutePath())))
                                // User don't want us to overwrite
                                return;

                            FileUtils.rmR(projectDir);
                        }

                        project = ResourceUtil.createProject(projectContainer,
                                URI.createFileURI(projectDir.getAbsolutePath()), Collections.<IProject>emptyList(),
                                monitor.newChild(1));

                        initializeProjectContents(monitor.newChild(80));
                    } catch (Exception exception) {
                        throw new InvocationTargetException(exception);
                    } finally {
                        progressMonitor.done();
                    }
                }
            });
            return project != null;
        } catch (InvocationTargetException e) {
            Throwable t = e.getTargetException();
            String title = UIPlugin.getLocalString("_UI_CreateProject_title");
            if (t instanceof PartInitException)
                DialogUtil.openError(getShell(), title, t.getMessage(), (PartInitException) t);
            else if (t instanceof CoreException)
                ErrorDialog.openError(getShell(), title, t.getMessage(), ((CoreException) t).getStatus());
            else
                MessageDialog.openError(getShell(), title, t.getMessage());
        } catch (InterruptedException e) {
        }
        return false;
    }
}