/*******************************************************************************
* Copyright (c) 2011 The Eclipse Foundation 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:
* The Eclipse Foundation - initial API and implementation
*******************************************************************************/
package org.eclipse.epp.internal.mpc.ui.wizards;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.net.URI;
import org.eclipse.core.runtime.URIUtil;
import org.eclipse.epp.internal.mpc.core.util.TextUtil;
import org.eclipse.epp.internal.mpc.ui.MarketplaceClientUi;
import org.eclipse.equinox.internal.p2.discovery.model.CatalogItem;
import org.eclipse.equinox.internal.p2.ui.discovery.util.WorkbenchUtil;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.dnd.Clipboard;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
/**
* @author Benjamin Muskalla
*/
public class ShareSolutionLink extends Composite {
private final CatalogItem catalogItem;
public ShareSolutionLink(Composite parent, CatalogItem item) {
super(parent, SWT.NONE);
this.catalogItem = item;
setLayout(new GridLayout());
Control shareControl = createShareLink(this);
Menu popupMenu = createMenu(shareControl);
attachMenu(shareControl, popupMenu);
}
private static Control createShareLink(Composite parent) {
Link link = new Link(parent, SWT.NONE);
link.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false));
link.setText("<a>" + //$NON-NLS-1$
Messages.ShareSolutionLink_Share + "</a>"); //$NON-NLS-1$
return link;
}
private Menu createMenu(final Control control) {
final Menu popupMenu = new Menu(control);
createTweetMenu(popupMenu);
if (isMailSupported()) {
createMailMenu(popupMenu);
}
return popupMenu;
}
private void createTweetMenu(final Menu popupMenu) {
MenuItem twitterItem = new MenuItem(popupMenu, SWT.POP_UP);
twitterItem.setText(Messages.ShareSolutionLink_Twitter);
twitterItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
String tweet = NLS.bind(Messages.ShareSolutionLink_tweet, new Object[] {
catalogItem.getName(), catalogItem.getOverview().getUrl() });
WorkbenchUtil.openUrl("http://twitter.com/?status=" + tweet, IWorkbenchBrowserSupport.AS_EXTERNAL); //$NON-NLS-1$
}
});
}
private void createMailMenu(final Menu popupMenu) {
MenuItem mailItem = new MenuItem(popupMenu, SWT.POP_UP);
mailItem.setText(Messages.ShareSolutionLink_EMail);
mailItem.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
openNewMail();
}
});
}
protected void openNewMail() {
String subject = NLS.bind(Messages.ShareSolutionLink_mailSubject, new Object[] { catalogItem.getName() });
String body = computeMessage();
String recipient = Messages.ShareSolutionLink_recipient;
String mailToString = "mailto:" + recipient + "?subject=" + subject + "&body=" + body; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
try {
URI uri = URIUtil.fromString(mailToString);
openMail(uri);
} catch (Exception e) {
boolean copyToClipboard = MessageDialog.openQuestion(WorkbenchUtil.getShell(),
Messages.ShareSolutionLink_share, Messages.ShareSolutionLink_failed_to_open_manually_share);
if (copyToClipboard) {
Clipboard clipboard = new Clipboard(getDisplay());
TextTransfer textTransfer = TextTransfer.getInstance();
Transfer[] transfers = new Transfer[] { textTransfer };
Object[] data = new Object[] { body };
clipboard.setContents(data, transfers);
clipboard.dispose();
}
MarketplaceClientUi.error(e);
}
}
private String computeMessage() {
// NOTE: put URL before description since some mail clients have troubles with descriptions, especially if they're long.
String description = catalogItem.getDescription() == null ? "" : catalogItem.getDescription(); //$NON-NLS-1$
description = TextUtil.stripHtmlMarkup(catalogItem.getDescription()).trim();
return catalogItem.getName()
+ "\n" + catalogItem.getOverview().getUrl() + "\n\n" + description; //$NON-NLS-1$ //$NON-NLS-2$
}
private void openMail(URI uri) throws Exception {
// Desktop.getDesktop().mail(uri);
Class<?> desktopClazz = getDesktopClazz();
Method getDesktopMethod = desktopClazz.getMethod("getDesktop"); //$NON-NLS-1$
Object desktop = getDesktopMethod.invoke(null);
Method mailMethod = desktopClazz.getMethod("mail", URI.class); //$NON-NLS-1$
mailMethod.invoke(desktop, uri);
}
private boolean isMailSupported() {
// return Desktop.isDesktopSupported() &&
// Desktop.getDesktop().isSupported(Action.MAIL)
try {
Class<?> desktopClazz = getDesktopClazz();
Method isDesktopSupportedMethod = desktopClazz.getMethod("isDesktopSupported"); //$NON-NLS-1$
boolean isDesktopSupported = (Boolean) isDesktopSupportedMethod.invoke(null);
Method getDesktopMethod = desktopClazz.getMethod("getDesktop"); //$NON-NLS-1$
Object desktop = getDesktopMethod.invoke(null);
Class<?>[] classes = desktopClazz.getClasses();
Class<?> actionEnum = null;
for (Class<?> innerClass : classes) {
if (innerClass.getName().equals("java.awt.Desktop$Action")) { //$NON-NLS-1$
actionEnum = innerClass;
}
}
if (actionEnum == null) {
return false;
}
Method isSupportedMethod = desktop.getClass().getMethod("isSupported", actionEnum); //$NON-NLS-1$
Field mailEnumOption = actionEnum.getDeclaredField("MAIL"); //$NON-NLS-1$
boolean isMailSupported = (Boolean) isSupportedMethod.invoke(desktop, mailEnumOption.get(null));
return isDesktopSupported && isMailSupported;
} catch (Exception e) {
// ignore, we don't support mail in this case
}
return false;
}
private Class<?> getDesktopClazz() throws ClassNotFoundException {
Class<?> desktopClazz = getClass().getClassLoader().loadClass("java.awt.Desktop"); //$NON-NLS-1$
return desktopClazz;
}
private static void attachMenu(final Control shareControl, final Menu popupMenu) {
shareControl.setMenu(popupMenu);
shareControl.addMouseListener(new MouseAdapter() {
@Override
public void mouseUp(MouseEvent e) {
popupMenu.setVisible(true);
}
});
}
}