org.eclipse.blockchain.ui/src/org/eclipse/blockchain/ui/wizard/EthereumProjectWizard.java

/*******************************************************************************
 * Copyright (c) 2020 RBEI and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v. 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *		Adhith Gopal - Initial contribution and API
 *		Pavithra Krishna Reddy
 *		Santhosh Gokhale D
 *		Abirami Bhologa Indiran
 *******************************************************************************/
package org.eclipse.blockchain.ui.wizard;

import java.io.IOException;

import org.eclipse.blockchain.core.BlockchainCore;
import org.eclipse.blockchain.core.ProjectCreator;
import org.eclipse.blockchain.core.SecoBlocksPreferenceConstants;
import org.eclipse.blockchain.ui.Activator;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
import org.osgi.service.prefs.BackingStoreException;

/**
 * Ethereum Project creation/import wizard
 */
public class EthereumProjectWizard extends Wizard implements INewWizard {

	private EthereumProjectWizardPage ePWP = null;

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void init(final IWorkbench workbench,
			final IStructuredSelection selection) {
		setWindowTitle("Ethereum Project Creation");
		this.ePWP = new EthereumProjectWizardPage("Ethereum Project Creation");
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public boolean performFinish() {
		try {
			String projectCreationResponse = "";
			// check if it is an existing/new project
			if (this.ePWP.isNewProjectToBeCreated()) {
				// New project
				String projectNameString = this.ePWP.getProjectNameString();
				projectCreationResponse = ProjectCreator.getInstance()
						.createNewProject(projectNameString,
								this.ePWP.getNewProjectPath());
				ResourcesPlugin.getWorkspace().getRoot()
						.getProject(projectNameString).refreshLocal(
								IResource.DEPTH_ONE, new NullProgressMonitor());
				if (projectCreationResponse.equals("")) {
					InstanceScope.INSTANCE.getNode(
							SecoBlocksPreferenceConstants.SECOBLOCKS_PREF_NODE)
							.put(SecoBlocksPreferenceConstants.SOLIDITY_COMPILER_PREF_KEY,
									this.ePWP.getSolcPathFromTextBox());
					InstanceScope.INSTANCE.getNode(
							SecoBlocksPreferenceConstants.SECOBLOCKS_PREF_NODE)
							.flush();
					IFile solFile = ProjectCreator.getInstance()
							.getFirstMatchingSolFile(projectNameString);
					if (solFile != null) {
						IDE.openEditor(PlatformUI.getWorkbench()
								.getActiveWorkbenchWindow().getActivePage(),
								solFile);
					}
					return true;
				}
			} else {
				String ethCheck = ProjectCreator.getInstance()
						.isItAnEthereumProject(
								this.ePWP.getExistingProjectPath());
				if (ethCheck.isEmpty()) {
					// existing project
					projectCreationResponse = ProjectCreator.getInstance()
							.createExistingProject(
									this.ePWP.getExistingProjectPath());
					if (projectCreationResponse.equals("")) {
						return true;
					}
				} else {
					if (ethCheck.equals("Not Ethereum project")) {
						if (MessageDialog.openQuestion(getShell(),
								"Project Not Ethereum Project",
								"Only if Ethereum nature is present you can import it. Would you like to add it???")) {
							projectCreationResponse = ProjectCreator
									.getInstance().createExistingProject(
											this.ePWP.getExistingProjectPath());
							if (projectCreationResponse.equals("")) {
								return true;
							}
						} else {
							return true;
						}
					} else {
						showError("Project Creation Error", ethCheck);
					}
				}
			}
			showError("Project Creation Error", projectCreationResponse);
		} catch (IOException | CoreException | BackingStoreException e) {
			BlockchainCore.getInstance().logException(Activator.PLUGIN_ID,
					e.getMessage(), e);
		}
		return false;
	}

	private void showError(final String title, final String message) {
		MessageDialog.openError(Display.getDefault().getActiveShell(), title,
				message);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public void addPages() {
		super.addPages();
		addPage(this.ePWP);
	}

}