StartPage.java

/*******************************************************************************
 * Copyright (c) 2006-2007, Cloudsmith Inc.
 * The code, documentation and other materials contained herein have been
 * licensed under the Eclipse Public License - v 1.0 by the copyright holder
 * listed above, as the Initial Contributor under such license. The text of
 * such license is available at www.eclipse.org.
 ******************************************************************************/

package org.eclipse.buckminster.jnlp.p2.wizard.install;

import org.eclipse.buckminster.jnlp.p2.MaterializationConstants;
import org.eclipse.buckminster.jnlp.p2.ui.UiUtils;
import org.eclipse.buckminster.jnlp.p2.ui.general.wizard.AdvancedWizardDialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;

/**
 * @author Karel Brezina
 */
public class StartPage extends InstallWizardPage
{
	private Text m_artifactNameText;

	private Text m_artifactVersionText;

	private Text m_artifactDescriptionText;

	private Text m_artifactDocumentationText;

	private Text m_publisherInfoText;

	private IWizardPage m_nextPage;

	protected StartPage()
	{
		super(MaterializationConstants.STEP_START, "Materialization",
				"Please verify that what is described below is what you want to materialize.", null);
	}

	public void createControl(Composite parent)
	{
		m_nextPage = getInstallWizard().getDownloadPage();

		Composite pageComposite = new Composite(parent, SWT.NONE);
		pageComposite.setLayout(new GridLayout(1, false));

		Group productGroup = new Group(pageComposite, SWT.NONE);
		productGroup.setText("Product Summary");
		productGroup.setLayout(new GridLayout(2, false));
		GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
		productGroup.setLayoutData(gridData);

		new Label(productGroup, SWT.NONE).setText("Name:");
		m_artifactNameText = new Text(productGroup, SWT.BORDER | SWT.NO_FOCUS | SWT.READ_ONLY | SWT.WRAP);
		m_artifactNameText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		m_artifactNameText.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));

		new Label(productGroup, SWT.NONE).setText("Version:");
		m_artifactVersionText = new Text(productGroup, SWT.BORDER | SWT.NO_FOCUS | SWT.READ_ONLY | SWT.WRAP);
		m_artifactVersionText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		m_artifactVersionText.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));

		new Label(productGroup, SWT.NONE).setText("Description:");
		m_artifactDescriptionText = new Text(productGroup, SWT.BORDER | SWT.NO_FOCUS | SWT.READ_ONLY | SWT.WRAP);
		m_artifactDescriptionText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
		m_artifactDescriptionText.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));

		Label label = new Label(productGroup, SWT.NONE);
		gridData = new GridData();
		gridData.verticalAlignment = SWT.TOP;
		gridData.verticalIndent = 2;
		label.setLayoutData(gridData);
		label.setText("Documentation:");
		m_artifactDocumentationText = new Text(productGroup, SWT.BORDER | SWT.NO_FOCUS | SWT.MULTI | SWT.READ_ONLY
				| SWT.WRAP | SWT.V_SCROLL);
		gridData = new GridData(GridData.FILL_HORIZONTAL);
		gridData.heightHint = 60;
		m_artifactDocumentationText.setLayoutData(gridData);
		m_artifactDocumentationText.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));

		new Label(pageComposite, SWT.NONE);

		Group publisherGroup = new Group(pageComposite, SWT.NONE);
		publisherGroup.setText("Publisher Information");
		publisherGroup.setLayout(new GridLayout());
		gridData = new GridData(GridData.FILL_HORIZONTAL);
		publisherGroup.setLayoutData(gridData);

		m_publisherInfoText = new Text(publisherGroup, SWT.BORDER | SWT.NO_FOCUS | SWT.MULTI | SWT.READ_ONLY | SWT.WRAP
				| SWT.V_SCROLL);
		gridData = new GridData(GridData.FILL_HORIZONTAL);
		gridData.heightHint = 30;
		m_publisherInfoText.setLayoutData(gridData);
		m_publisherInfoText.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_WHITE));

		if(getInstallWizard().isLoginRequired()
				&& (!getInstallWizard().isLoggedIn() || getInstallWizard().isLoginPageRequested()))
		{
			Composite infoComposite = new Composite(pageComposite, SWT.NONE);
			GridData data = new GridData(GridData.FILL_BOTH);
			data.horizontalSpan = 2;
			infoComposite.setLayoutData(data);
			infoComposite.setLayout(new GridLayout());

			Group infoGroup = new Group(pageComposite, SWT.BOTTOM);
			infoGroup.setText("Info");
			FillLayout fillLayout = new FillLayout();
			fillLayout.marginHeight = fillLayout.marginWidth = 5;
			infoGroup.setLayout(fillLayout);
			data = new GridData(GridData.FILL_HORIZONTAL);
			data.horizontalSpan = 2;
			infoGroup.setLayoutData(data);

			final String message = "Note that, on request of the publisher of this material, you will be asked to log in to ";
			new Label(infoGroup, SWT.WRAP).setText(message + getInstallWizard().getServiceProvider());

			/*
			 * Service provider with a link final String providerURL =
			 * getInstallWizard().getServiceProviderHomePageURL();
			 * 
			 * if(providerURL == null) { new Label(infoGroup, SWT.WRAP).setText(message +
			 * getInstallWizard().getServiceProvider()); } else { Link link = new Link(infoGroup, SWT.WRAP);
			 * link.setText(message + "<a>" + getInstallWizard().getServiceProvider() + "</a>");
			 * link.addSelectionListener(new SelectionAdapter() {
			 * 
			 * @Override public void widgetSelected(SelectionEvent e) { Program.launch(providerURL); } }); }
			 */
		}

		setControl(pageComposite);
	}

	@Override
	public IWizardPage getNextPage()
	{
		return m_nextPage;
	}

	@Override
	public boolean isPageComplete()
	{
		return !getInstallWizard().isProblemInProperties();
	}

	@Override
	public boolean performPageCommit()
	{
		if(getInstallWizard().isLoginRequired()
				&& (!getInstallWizard().isLoggedIn() || getInstallWizard().isLoginPageRequested()))
			m_nextPage = getInstallWizard().getLoginPage();
		else if(getInstallWizard().isFolderRestrictionPageNeeded())
			m_nextPage = getInstallWizard().getFolderRestrictionPage();
		else
		{
			if(!getInstallWizard().isMaterializerInitialized())
				try
				{
					getInstallWizard().retrieveStackInfo();
				}
				catch(InterruptedException e)
				{
					return false;
				}

			m_nextPage = getInstallWizard().getDownloadPage();
		}

		return true;
	}

	@SuppressWarnings("restriction")
	@Override
	protected void beforeDisplaySetup()
	{
		m_artifactNameText.setText(getInstallWizard().getArtifactName());
		String original = getInstallWizard().getCSpecVersion().getOriginal();
		m_artifactVersionText.setText(original != null
				? original
				: getInstallWizard().getCSpecVersion().toString());
		m_artifactDescriptionText.setText(UiUtils.getNotNullString(getInstallWizard().getArtifactDescription()));
		m_artifactDocumentationText.setText(UiUtils.getNotNullString(getInstallWizard().getArtifactDocumentation()));
		m_publisherInfoText.setText(getInstallWizard().getBrandingString());

		// This might solve problems with redundant scroll bars on Mac
		((Composite)getControl()).layout();

		focusNextButton();
	}

	private void focusNextButton()
	{
		if(getInstallWizard().isProblemInProperties())
			((AdvancedWizardDialog)getContainer()).getButtonFromButtonArea(IDialogConstants.CANCEL_ID).setFocus();
		else
			((AdvancedWizardDialog)getContainer()).getButtonFromButtonArea(IDialogConstants.NEXT_ID).setFocus();
	}
}