org.eclipse.blockchain.ui/src/org/eclipse/blockchain/ui/wizard/EthereumProjectWizardPage.java - secoblocks/secoblocks - Git at Google

 /*******************************************************************************
  * 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.File;

 import org.eclipse.blockchain.core.SecoBlocksPreferenceConstants;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.core.runtime.preferences.InstanceScope;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.RGB;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.DirectoryDialog;
 import org.eclipse.swt.widgets.Display;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Text;

 /**
  * Ethereum Project create/import wizard page
  */
 public class EthereumProjectWizardPage extends WizardPage {

 	private Label projectNameLabel = null;
 	private Text projectNameText = null;
 	private String projectNameString;
 	private final String projectNameError = "Project Name cannot be empty!!!";
 	private final String existingProjectpathError = "Project paath cannot be empty!!!";
 	private String projectTemplateToBeCreated = null;
 	private boolean testNetTobeCreated = false;
 	private Text solcPathText;
 	private String solcPathString = "";
 	private Text existingProjectPathText;
 	private Text newProjectPathText;
 	private Button newPrjButton;
 	private Button existingPrjButton;
 	Color greyColor = new Color(Display.getDefault(), new RGB(128, 128, 128));

 	/**
 	 * @param pageName page name
 	 */
 	protected EthereumProjectWizardPage(final String pageName) {
 		super(pageName);
 		setPageComplete(false);
 		setTitle("New Ethereum Project");
 	}

 	/**
 	 * {@inheritDoc}
 	 */
 	@Override
 	public void createControl(final Composite parent) {
 		Composite wizardContainer = new Composite(parent, SWT.None);
 		GridLayout containerGrid = new GridLayout(2, false);
 		GridData genericGridData = new GridData(GridData.FILL_BOTH);
 		genericGridData.minimumHeight = 50;
 		wizardContainer.setLayout(containerGrid);
 		wizardContainer.setLayoutData(genericGridData);

 		// Select if it has to be imported as new or existing project
 		Group newOrExistingGrp = new Group(wizardContainer, NONE);
 		newOrExistingGrp.setLayout(new GridLayout(3, true));
 		newOrExistingGrp.setLayoutData(new GridData(GridData.FILL_BOTH));

 		GridData gridData = new GridData(SWT.FILL, SWT.LEFT, true, false, 1, 1);
 		Label importAs = new Label(newOrExistingGrp, SWT.NONE);
 		importAs.setText("Import project as: ");
 		importAs.setLayoutData(gridData);

 		this.newPrjButton = new Button(newOrExistingGrp, SWT.RADIO);
 		gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
 		this.newPrjButton.setLayoutData(gridData);
 		this.newPrjButton.setText("New project");

 		this.existingPrjButton = new Button(newOrExistingGrp, SWT.RADIO);
 		gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
 		this.existingPrjButton.setText("Existing project");
 		this.existingPrjButton.setLayoutData(gridData);

 		// create a group to for new project creation related widgets

 		Group newPrjGrp = new Group(wizardContainer, NONE);
 		newPrjGrp.setLayout(new GridLayout(3, false));
 		newPrjGrp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));
 		newPrjGrp.setText("New project");

 		gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
 		this.projectNameLabel = new Label(newPrjGrp, SWT.None);
 		this.projectNameLabel.setText("Project Name : ");
 		this.projectNameLabel.setLayoutData(gridData);
 		this.projectNameText = new Text(newPrjGrp, SWT.BORDER);
 		gridData = new GridData(SWT.FILL, SWT.LEFT, true, true, 2, 1);
 		this.projectNameText.setLayoutData(gridData);

 		gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
 		Label projectPath = new Label(newPrjGrp, SWT.None);
 		projectPath.setText("Project path : ");
 		projectPath.setLayoutData(gridData);

 		this.newProjectPathText = new Text(newPrjGrp, SWT.BORDER);
 		gridData = new GridData(SWT.FILL, SWT.LEFT, true, false, 1, 1);
 		this.newProjectPathText.setLayoutData(gridData);
 		String workspaceLocation = ResourcesPlugin.getWorkspace().getRoot().getLocation().toOSString();
 		this.newProjectPathText.setText(workspaceLocation);

 		Button newPrjPathBrowseButton = new Button(newPrjGrp, SWT.PUSH);
 		newPrjPathBrowseButton.setText("Browse");
 		gridData = new GridData(SWT.FILL, SWT.LEFT, false, false, 1, 1);
 		newPrjPathBrowseButton.setLayoutData(gridData);

 		newPrjPathBrowseButton.addSelectionListener(new SelectionListener() {

 			@Override
 			public void widgetSelected(final SelectionEvent e) {
 				DirectoryDialog prjPathDialog = new DirectoryDialog(parent.getShell());
 				prjPathDialog.setFilterPath(workspaceLocation);
 				String selectedDir = prjPathDialog.open();
 				if (selectedDir != null) {
 					EthereumProjectWizardPage.this.newProjectPathText.setText(selectedDir);
 				}

 			}

 			@Override
 			public void widgetDefaultSelected(final SelectionEvent e) {
 				// do nothing
 			}
 		});

 		// project template section

 		Label projectTemplateGroup = new Label(newPrjGrp, SWT.SHADOW_ETCHED_IN);
 		projectTemplateGroup.setText("Project Template : ");

 		gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
 		projectTemplateGroup.setLayoutData(gridData);

 		// combo for project selection
 		Combo projectTemplateSelection = new Combo(newPrjGrp, NONE);
 		// Only simple project is supported for now - , "Web project", "Angular
 		// JS Project", "React Js Project"
 		projectTemplateSelection.setItems("Simple project");
 		projectTemplateSelection.setLayoutData(gridData);
 		projectTemplateSelection.select(0);
 		setProjectTemplateToBeImported(projectTemplateSelection.getText());
 		projectTemplateSelection.addSelectionListener(new SelectionAdapter() {

 			/**
 			 * {@inheritDoc}
 			 */
 			@Override
 			public void widgetSelected(final SelectionEvent e) {
 				setProjectTemplateToBeImported(projectTemplateSelection.getText());
 			}
 		});

 		// existing project section
 		Group existingPrjGrp = new Group(wizardContainer, NONE);
 		existingPrjGrp.setLayout(new GridLayout(3, false));
 		existingPrjGrp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));
 		existingPrjGrp.setText("Existing project");

 		gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
 		Label newProjectPath = new Label(existingPrjGrp, SWT.None);
 		newProjectPath.setText("Project path : ");
 		newProjectPath.setLayoutData(gridData);

 		this.existingProjectPathText = new Text(existingPrjGrp, SWT.BORDER);
 		gridData = new GridData(SWT.FILL, SWT.LEFT, true, false, 1, 1);
 		this.existingProjectPathText.setLayoutData(gridData);

 		this.existingProjectPathText.addModifyListener(new ModifyListener() {

 			@Override
 			public void modifyText(final ModifyEvent e) {
 				if (getTextBoxText(EthereumProjectWizardPage.this.existingProjectPathText).trim().isEmpty()) {
 					setPageComplete(false);
 					setErrorMessage(EthereumProjectWizardPage.this.existingProjectpathError);
 				} else {
 					setPageComplete(true);
 					setErrorMessage(null);
 				}
 			}
 		});

 		Button existingPrjPathBrowseButton = new Button(existingPrjGrp, SWT.PUSH);
 		existingPrjPathBrowseButton.setText("Browse");
 		gridData = new GridData(SWT.FILL, SWT.LEFT, false, false, 1, 1);
 		existingPrjPathBrowseButton.setLayoutData(gridData);

 		existingPrjPathBrowseButton.addSelectionListener(new SelectionListener() {

 			@Override
 			public void widgetSelected(final SelectionEvent e) {
 				DirectoryDialog prjPathDialog = new DirectoryDialog(parent.getShell());
 				prjPathDialog.setFilterPath(System.getProperty("user.dir"));
 				String selectedDir = prjPathDialog.open();
 				if ((selectedDir != null) && !selectedDir.equals("")) {
 					setPageComplete(true);
 					setErrorMessage(null);
 					EthereumProjectWizardPage.this.existingProjectPathText.setText(selectedDir);
 				} else {
 					setErrorMessage(EthereumProjectWizardPage.this.existingProjectpathError);
 					setPageComplete(false);
 				}

 			}

 			@Override
 			public void widgetDefaultSelected(final SelectionEvent e) {
 				// do nothing
 			}
 		});

 		// Enable the new/existing fiel import depending on the radio button
 		// selection

 		this.newPrjButton.addSelectionListener(new SelectionListener() {

 			@Override
 			public void widgetSelected(final SelectionEvent e) {
 				// Enable the new project creation group
 				newPrjGrp.setEnabled(true);
 				newPrjGrp.setForeground(null);
 				setForeGroundToChildren(newPrjGrp.getChildren(), null);

 				// Disable existing project creation
 				existingPrjGrp.setEnabled(false);
 				existingPrjGrp.setForeground(EthereumProjectWizardPage.this.greyColor);
 				setForeGroundToChildren(existingPrjGrp.getChildren(), EthereumProjectWizardPage.this.greyColor);
 			}

 			@Override
 			public void widgetDefaultSelected(final SelectionEvent e) {
 				widgetSelected(e);
 			}
 		});

 		this.existingPrjButton.addSelectionListener(new SelectionListener() {

 			@Override
 			public void widgetSelected(final SelectionEvent e) {
 				newPrjGrp.setEnabled(false);
 				newPrjGrp.setForeground(EthereumProjectWizardPage.this.greyColor);
 				setForeGroundToChildren(newPrjGrp.getChildren(), EthereumProjectWizardPage.this.greyColor);

 				existingPrjGrp.setEnabled(true);
 				existingPrjGrp.setForeground(null);
 				setForeGroundToChildren(existingPrjGrp.getChildren(), null);
 			}

 			@Override
 			public void widgetDefaultSelected(final SelectionEvent e) {
 				widgetSelected(e);
 			}
 		});

 		// compiler section

 		Group compilerGrp = new Group(wizardContainer, NONE);
 		compilerGrp.setLayout(new GridLayout(3, false));
 		compilerGrp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));
 		compilerGrp.setText("Compiler settings");

 		Label solcLabel = new Label(compilerGrp, SWT.NONE);
 		solcLabel.setText("Solidity compiler path : ");
 		gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
 		solcLabel.setLayoutData(gridData);

 		this.solcPathText = new Text(compilerGrp, SWT.BORDER);
 		gridData = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1);
 		this.solcPathText.setLayoutData(gridData);

 		Button compilerPathBrowseButton = new Button(compilerGrp, SWT.PUSH);
 		compilerPathBrowseButton.setText("Browse");
 		gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
 		compilerPathBrowseButton.setLayoutData(gridData);

 		compilerPathBrowseButton.addSelectionListener(new SelectionListener() {

 			@Override
 			public void widgetSelected(final SelectionEvent e) {
 				DirectoryDialog solcCompilerPathDialog = new DirectoryDialog(parent.getShell());
 				solcCompilerPathDialog.setFilterPath(System.getProperty("user.dir"));
 				String selectedDir = solcCompilerPathDialog.open();
 				if (selectedDir != null) {
 					EthereumProjectWizardPage.this.solcPathText.setText(selectedDir);
 				}

 			}

 			@Override
 			public void widgetDefaultSelected(final SelectionEvent e) {
 				// do nothing
 			}
 		});

 		Label solcVerLabel = new Label(compilerGrp, SWT.NONE);
 		solcVerLabel.setText("Solidity versions available");
 		gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
 		solcVerLabel.setLayoutData(gridData);

 		// combo for project selection
 		Combo compilerSelection = new Combo(compilerGrp, NONE);
 		gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
 		compilerSelection.setLayoutData(gridData);
 		String list = Platform.getPreferencesService().getString(SecoBlocksPreferenceConstants.SECOBLOCKS_PREF_NODE,
 				SecoBlocksPreferenceConstants.PREF_KEY_SelectedList, null, null);
 		compilerSelection.setItems((list != null) ? list.split(",") : new String[0]);
 		compilerSelection.setLayoutData(gridData);
 		compilerSelection.select(0);
 		String solcPathWithVersion = getSolcPath() + File.separator + compilerSelection.getText();
 		EthereumProjectWizardPage.this.solcPathText.setText(solcPathWithVersion);
 		compilerSelection.addSelectionListener(new SelectionAdapter() {

 			/**
 			 * {@inheritDoc}
 			 */
 			@Override
 			public void widgetSelected(final SelectionEvent e) {
 				EthereumProjectWizardPage.this.solcPathText.setText(solcPathWithVersion);
 			}
 		});

 		setControl(wizardContainer);
 		setErrorMessage(this.projectNameError);

 		addButtonListeners();
 	}

 	private void setForeGroundToChildren(final Control[] children, final Color color) {
 		for (Control child : children) {
 			if ((child instanceof Text)) {
 				((Text) child).setEditable(color == null);
 			}
 			child.setForeground(color);
 		}
 	}

 	private String getSolcPath() {
 		return InstanceScope.INSTANCE.getNode(SecoBlocksPreferenceConstants.SECOBLOCKS_PREF_NODE)
 				.get(SecoBlocksPreferenceConstants.SOLIDITY_COMPILER_PREF_KEY, "");
 	}

 	private void addButtonListeners() {
 		this.projectNameText.addModifyListener((final ModifyEvent e) -> {
 			if (!getTextBoxText(this.projectNameText).trim().equals("")) {
 				setPageComplete(true);
 				setErrorMessage(null);
 			} else {
 				setPageComplete(false);
 				setErrorMessage(this.projectNameError);
 			}
 		});
 	}

 	private String getTextBoxText(final Text textBox) {
 		Display.getDefault().syncExec(() -> this.projectNameString = textBox.getText());
 		return this.projectNameString;
 	}

 	/**
 	 * @return -
 	 */
 	public String getSolcPathFromTextBox() {
 		Display.getDefault().syncExec(() -> this.solcPathString = this.solcPathText.getText());
 		return this.solcPathString;
 	}

 	/**
 	 * @return
 	 */
 	public String getNewProjectPath() {
 		return this.newProjectPathText.getText();
 	}

 	/**
 	 * @return
 	 */
 	public String getExistingProjectPath() {
 		return this.existingProjectPathText.getText();
 	}

 	/**
 	 * @return
 	 */
 	public boolean isNewProjectToBeCreated() {
 		return this.newPrjButton.getSelection();
 	}

 	/**
 	 * @return - The project name entered in project creation wizard
 	 */
 	public String getProjectNameString() {
 		return this.projectNameString;
 	}

 	/**
 	 * @return the selectedProject
 	 */
 	public String getProjectTemplaeToBeCreated() {
 		return this.projectTemplateToBeCreated;
 	}

 	/**
 	 * @param selectedProject the selectedProject to set
 	 */
 	public void setProjectTemplateToBeImported(final String selectedProject) {
 		this.projectTemplateToBeCreated = selectedProject;
 	}

 	/**
 	 * @return the testNetTobeCreated
 	 */
 	public boolean isTestNetTobeCreated() {
 		return this.testNetTobeCreated;
 	}

 	/**
 	 * @param testNetTobeCreated the testNetTobeCreated to set
 	 */
 	public void setTestNetTobeCreated(final boolean testNetTobeCreated) {
 		this.testNetTobeCreated = testNetTobeCreated;
 	}
 }
	/*******************************************************************************
	* 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.File;

	import org.eclipse.blockchain.core.SecoBlocksPreferenceConstants;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.core.runtime.preferences.InstanceScope;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.graphics.Color;
	import org.eclipse.swt.graphics.RGB;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.DirectoryDialog;
	import org.eclipse.swt.widgets.Display;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Text;

	/**
	* Ethereum Project create/import wizard page
	*/
	public class EthereumProjectWizardPage extends WizardPage {

	private Label projectNameLabel = null;
	private Text projectNameText = null;
	private String projectNameString;
	private final String projectNameError = "Project Name cannot be empty!!!";
	private final String existingProjectpathError = "Project paath cannot be empty!!!";
	private String projectTemplateToBeCreated = null;
	private boolean testNetTobeCreated = false;
	private Text solcPathText;
	private String solcPathString = "";
	private Text existingProjectPathText;
	private Text newProjectPathText;
	private Button newPrjButton;
	private Button existingPrjButton;
	Color greyColor = new Color(Display.getDefault(), new RGB(128, 128, 128));

	/**
	* @param pageName page name
	*/
	protected EthereumProjectWizardPage(final String pageName) {
	super(pageName);
	setPageComplete(false);
	setTitle("New Ethereum Project");
	}

	/**
	* {@inheritDoc}
	*/
	@Override
	public void createControl(final Composite parent) {
	Composite wizardContainer = new Composite(parent, SWT.None);
	GridLayout containerGrid = new GridLayout(2, false);
	GridData genericGridData = new GridData(GridData.FILL_BOTH);
	genericGridData.minimumHeight = 50;
	wizardContainer.setLayout(containerGrid);
	wizardContainer.setLayoutData(genericGridData);

	// Select if it has to be imported as new or existing project
	Group newOrExistingGrp = new Group(wizardContainer, NONE);
	newOrExistingGrp.setLayout(new GridLayout(3, true));
	newOrExistingGrp.setLayoutData(new GridData(GridData.FILL_BOTH));

	GridData gridData = new GridData(SWT.FILL, SWT.LEFT, true, false, 1, 1);
	Label importAs = new Label(newOrExistingGrp, SWT.NONE);
	importAs.setText("Import project as: ");
	importAs.setLayoutData(gridData);

	this.newPrjButton = new Button(newOrExistingGrp, SWT.RADIO);
	gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
	this.newPrjButton.setLayoutData(gridData);
	this.newPrjButton.setText("New project");

	this.existingPrjButton = new Button(newOrExistingGrp, SWT.RADIO);
	gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
	this.existingPrjButton.setText("Existing project");
	this.existingPrjButton.setLayoutData(gridData);

	// create a group to for new project creation related widgets

	Group newPrjGrp = new Group(wizardContainer, NONE);
	newPrjGrp.setLayout(new GridLayout(3, false));
	newPrjGrp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));
	newPrjGrp.setText("New project");

	gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
	this.projectNameLabel = new Label(newPrjGrp, SWT.None);
	this.projectNameLabel.setText("Project Name : ");
	this.projectNameLabel.setLayoutData(gridData);
	this.projectNameText = new Text(newPrjGrp, SWT.BORDER);
	gridData = new GridData(SWT.FILL, SWT.LEFT, true, true, 2, 1);
	this.projectNameText.setLayoutData(gridData);

	gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
	Label projectPath = new Label(newPrjGrp, SWT.None);
	projectPath.setText("Project path : ");
	projectPath.setLayoutData(gridData);

	this.newProjectPathText = new Text(newPrjGrp, SWT.BORDER);
	gridData = new GridData(SWT.FILL, SWT.LEFT, true, false, 1, 1);
	this.newProjectPathText.setLayoutData(gridData);
	String workspaceLocation = ResourcesPlugin.getWorkspace().getRoot().getLocation().toOSString();
	this.newProjectPathText.setText(workspaceLocation);

	Button newPrjPathBrowseButton = new Button(newPrjGrp, SWT.PUSH);
	newPrjPathBrowseButton.setText("Browse");
	gridData = new GridData(SWT.FILL, SWT.LEFT, false, false, 1, 1);
	newPrjPathBrowseButton.setLayoutData(gridData);

	newPrjPathBrowseButton.addSelectionListener(new SelectionListener() {

	@Override
	public void widgetSelected(final SelectionEvent e) {
	DirectoryDialog prjPathDialog = new DirectoryDialog(parent.getShell());
	prjPathDialog.setFilterPath(workspaceLocation);
	String selectedDir = prjPathDialog.open();
	if (selectedDir != null) {
	EthereumProjectWizardPage.this.newProjectPathText.setText(selectedDir);
	}

	}

	@Override
	public void widgetDefaultSelected(final SelectionEvent e) {
	// do nothing
	}
	});

	// project template section

	Label projectTemplateGroup = new Label(newPrjGrp, SWT.SHADOW_ETCHED_IN);
	projectTemplateGroup.setText("Project Template : ");

	gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
	projectTemplateGroup.setLayoutData(gridData);

	// combo for project selection
	Combo projectTemplateSelection = new Combo(newPrjGrp, NONE);
	// Only simple project is supported for now - , "Web project", "Angular
	// JS Project", "React Js Project"
	projectTemplateSelection.setItems("Simple project");
	projectTemplateSelection.setLayoutData(gridData);
	projectTemplateSelection.select(0);
	setProjectTemplateToBeImported(projectTemplateSelection.getText());
	projectTemplateSelection.addSelectionListener(new SelectionAdapter() {

	/**
	* {@inheritDoc}
	*/
	@Override
	public void widgetSelected(final SelectionEvent e) {
	setProjectTemplateToBeImported(projectTemplateSelection.getText());
	}
	});

	// existing project section
	Group existingPrjGrp = new Group(wizardContainer, NONE);
	existingPrjGrp.setLayout(new GridLayout(3, false));
	existingPrjGrp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));
	existingPrjGrp.setText("Existing project");

	gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
	Label newProjectPath = new Label(existingPrjGrp, SWT.None);
	newProjectPath.setText("Project path : ");
	newProjectPath.setLayoutData(gridData);

	this.existingProjectPathText = new Text(existingPrjGrp, SWT.BORDER);
	gridData = new GridData(SWT.FILL, SWT.LEFT, true, false, 1, 1);
	this.existingProjectPathText.setLayoutData(gridData);

	this.existingProjectPathText.addModifyListener(new ModifyListener() {

	@Override
	public void modifyText(final ModifyEvent e) {
	if (getTextBoxText(EthereumProjectWizardPage.this.existingProjectPathText).trim().isEmpty()) {
	setPageComplete(false);
	setErrorMessage(EthereumProjectWizardPage.this.existingProjectpathError);
	} else {
	setPageComplete(true);
	setErrorMessage(null);
	}
	}
	});

	Button existingPrjPathBrowseButton = new Button(existingPrjGrp, SWT.PUSH);
	existingPrjPathBrowseButton.setText("Browse");
	gridData = new GridData(SWT.FILL, SWT.LEFT, false, false, 1, 1);
	existingPrjPathBrowseButton.setLayoutData(gridData);

	existingPrjPathBrowseButton.addSelectionListener(new SelectionListener() {

	@Override
	public void widgetSelected(final SelectionEvent e) {
	DirectoryDialog prjPathDialog = new DirectoryDialog(parent.getShell());
	prjPathDialog.setFilterPath(System.getProperty("user.dir"));
	String selectedDir = prjPathDialog.open();
	if ((selectedDir != null) && !selectedDir.equals("")) {
	setPageComplete(true);
	setErrorMessage(null);
	EthereumProjectWizardPage.this.existingProjectPathText.setText(selectedDir);
	} else {
	setErrorMessage(EthereumProjectWizardPage.this.existingProjectpathError);
	setPageComplete(false);
	}

	}

	@Override
	public void widgetDefaultSelected(final SelectionEvent e) {
	// do nothing
	}
	});

	// Enable the new/existing fiel import depending on the radio button
	// selection

	this.newPrjButton.addSelectionListener(new SelectionListener() {

	@Override
	public void widgetSelected(final SelectionEvent e) {
	// Enable the new project creation group
	newPrjGrp.setEnabled(true);
	newPrjGrp.setForeground(null);
	setForeGroundToChildren(newPrjGrp.getChildren(), null);

	// Disable existing project creation
	existingPrjGrp.setEnabled(false);
	existingPrjGrp.setForeground(EthereumProjectWizardPage.this.greyColor);
	setForeGroundToChildren(existingPrjGrp.getChildren(), EthereumProjectWizardPage.this.greyColor);
	}

	@Override
	public void widgetDefaultSelected(final SelectionEvent e) {
	widgetSelected(e);
	}
	});

	this.existingPrjButton.addSelectionListener(new SelectionListener() {

	@Override
	public void widgetSelected(final SelectionEvent e) {
	newPrjGrp.setEnabled(false);
	newPrjGrp.setForeground(EthereumProjectWizardPage.this.greyColor);
	setForeGroundToChildren(newPrjGrp.getChildren(), EthereumProjectWizardPage.this.greyColor);

	existingPrjGrp.setEnabled(true);
	existingPrjGrp.setForeground(null);
	setForeGroundToChildren(existingPrjGrp.getChildren(), null);
	}

	@Override
	public void widgetDefaultSelected(final SelectionEvent e) {
	widgetSelected(e);
	}
	});

	// compiler section

	Group compilerGrp = new Group(wizardContainer, NONE);
	compilerGrp.setLayout(new GridLayout(3, false));
	compilerGrp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 2, 1));
	compilerGrp.setText("Compiler settings");

	Label solcLabel = new Label(compilerGrp, SWT.NONE);
	solcLabel.setText("Solidity compiler path : ");
	gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
	solcLabel.setLayoutData(gridData);

	this.solcPathText = new Text(compilerGrp, SWT.BORDER);
	gridData = new GridData(SWT.FILL, SWT.FILL, true, false, 1, 1);
	this.solcPathText.setLayoutData(gridData);

	Button compilerPathBrowseButton = new Button(compilerGrp, SWT.PUSH);
	compilerPathBrowseButton.setText("Browse");
	gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
	compilerPathBrowseButton.setLayoutData(gridData);

	compilerPathBrowseButton.addSelectionListener(new SelectionListener() {

	@Override
	public void widgetSelected(final SelectionEvent e) {
	DirectoryDialog solcCompilerPathDialog = new DirectoryDialog(parent.getShell());
	solcCompilerPathDialog.setFilterPath(System.getProperty("user.dir"));
	String selectedDir = solcCompilerPathDialog.open();
	if (selectedDir != null) {
	EthereumProjectWizardPage.this.solcPathText.setText(selectedDir);
	}

	}

	@Override
	public void widgetDefaultSelected(final SelectionEvent e) {
	// do nothing
	}
	});

	Label solcVerLabel = new Label(compilerGrp, SWT.NONE);
	solcVerLabel.setText("Solidity versions available");
	gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
	solcVerLabel.setLayoutData(gridData);

	// combo for project selection
	Combo compilerSelection = new Combo(compilerGrp, NONE);
	gridData = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
	compilerSelection.setLayoutData(gridData);
	String list = Platform.getPreferencesService().getString(SecoBlocksPreferenceConstants.SECOBLOCKS_PREF_NODE,
	SecoBlocksPreferenceConstants.PREF_KEY_SelectedList, null, null);
	compilerSelection.setItems((list != null) ? list.split(",") : new String[0]);
	compilerSelection.setLayoutData(gridData);
	compilerSelection.select(0);
	String solcPathWithVersion = getSolcPath() + File.separator + compilerSelection.getText();
	EthereumProjectWizardPage.this.solcPathText.setText(solcPathWithVersion);
	compilerSelection.addSelectionListener(new SelectionAdapter() {

	/**
	* {@inheritDoc}
	*/
	@Override
	public void widgetSelected(final SelectionEvent e) {
	EthereumProjectWizardPage.this.solcPathText.setText(solcPathWithVersion);
	}
	});

	setControl(wizardContainer);
	setErrorMessage(this.projectNameError);

	addButtonListeners();
	}

	private void setForeGroundToChildren(final Control[] children, final Color color) {
	for (Control child : children) {
	if ((child instanceof Text)) {
	((Text) child).setEditable(color == null);
	}
	child.setForeground(color);
	}
	}

	private String getSolcPath() {
	return InstanceScope.INSTANCE.getNode(SecoBlocksPreferenceConstants.SECOBLOCKS_PREF_NODE)
	.get(SecoBlocksPreferenceConstants.SOLIDITY_COMPILER_PREF_KEY, "");
	}

	private void addButtonListeners() {
	this.projectNameText.addModifyListener((final ModifyEvent e) -> {
	if (!getTextBoxText(this.projectNameText).trim().equals("")) {
	setPageComplete(true);
	setErrorMessage(null);
	} else {
	setPageComplete(false);
	setErrorMessage(this.projectNameError);
	}
	});
	}

	private String getTextBoxText(final Text textBox) {
	Display.getDefault().syncExec(() -> this.projectNameString = textBox.getText());
	return this.projectNameString;
	}

	/**
	* @return -
	*/
	public String getSolcPathFromTextBox() {
	Display.getDefault().syncExec(() -> this.solcPathString = this.solcPathText.getText());
	return this.solcPathString;
	}

	/**
	* @return
	*/
	public String getNewProjectPath() {
	return this.newProjectPathText.getText();
	}

	/**
	* @return
	*/
	public String getExistingProjectPath() {
	return this.existingProjectPathText.getText();
	}

	/**
	* @return
	*/
	public boolean isNewProjectToBeCreated() {
	return this.newPrjButton.getSelection();
	}

	/**
	* @return - The project name entered in project creation wizard
	*/
	public String getProjectNameString() {
	return this.projectNameString;
	}

	/**
	* @return the selectedProject
	*/
	public String getProjectTemplaeToBeCreated() {
	return this.projectTemplateToBeCreated;
	}

	/**
	* @param selectedProject the selectedProject to set
	*/
	public void setProjectTemplateToBeImported(final String selectedProject) {
	this.projectTemplateToBeCreated = selectedProject;
	}

	/**
	* @return the testNetTobeCreated
	*/
	public boolean isTestNetTobeCreated() {
	return this.testNetTobeCreated;
	}

	/**
	* @param testNetTobeCreated the testNetTobeCreated to set
	*/
	public void setTestNetTobeCreated(final boolean testNetTobeCreated) {
	this.testNetTobeCreated = testNetTobeCreated;
	}
	}