[client] Add eMail feature to PersonLabel

2 files changed, 88 insertions, 23 deletions

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/PersonLabel.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/PersonLabel.java
index a9cc1c84..b5ef87d6 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/PersonLabel.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/control/PersonLabel.java
@@ -1,6 +1,9 @@
 package org.openslx.dozmod.gui.control;
 
 import java.awt.Color;
+import java.awt.Cursor;
+import java.awt.Dimension;
+import java.awt.SystemColor;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 
@@ -8,32 +11,59 @@ import javax.swing.JLabel;
 
 import org.openslx.bwlp.thrift.iface.UserInfo;
 import org.openslx.dozmod.util.FormatHelper;
+import org.openslx.dozmod.util.OpenLinks;
 
 /**
  * A label for displaying a {@link UserInfo} object. Supports a callback event
  * for when the users clicks the label.
  */
+@SuppressWarnings("serial")
 public class PersonLabel extends JLabel {
 
 	private UserInfo user = null;
 
-	private PersonLabelClickEvent callback = null;
+	private PersonLabelClickEvent callback = defaultCallback;
 
 	public PersonLabel() {
-		// could not find a way to query the system-wide color for hyperlinks :(
-		setForeground(Color.BLUE.darker());
+		this(defaultCallback);
+	}
+
+	public PersonLabel(PersonLabelClickEvent cb) {
+		setForeground(linkColor());
+		this.callback = cb;
+		this.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
 		addMouseListener(new MouseAdapter() {
 			@Override
 			public void mouseClicked(MouseEvent e) {
-				if (user != null && callback != null
-						&& e.getButton() == MouseEvent.BUTTON1
-						&& getBounds().contains(e.getX(), e.getY())) {
-					callback.clicked(user);
+				if (user != null && callback != null && e.getButton() == MouseEvent.BUTTON1 && getX() >= 0
+						&& getY() >= 0) {
+					Dimension size = getSize();
+					if (size.width > e.getX() && size.height > e.getY())
+						callback.clicked(user);
 				}
 			}
 		});
 	}
 
+	private Color linkColor() {
+		// Create color for links
+		SystemColor tc = SystemColor.windowText;
+		int r = tc.getRed() * tc.getRed();
+		int g = tc.getGreen() * tc.getGreen();
+		int b = tc.getBlue() * tc.getBlue();
+		b += 30000;
+		double factor = 65535 / b;
+		if (factor < 1) {
+			r *= factor;
+			g *= factor;
+			b *= factor;
+		}
+		r = (int) Math.sqrt(r);
+		g = (int) Math.sqrt(g);
+		b = (int) Math.sqrt(b);
+		return new Color(r, g, b);
+	}
+
 	/**
 	 * Set the callback to call when the user clicks this label using the left
 	 * mouse button. Only called if a user is set.
@@ -63,4 +93,13 @@ public class PersonLabel extends JLabel {
 		public void clicked(UserInfo user);
 	}
 
+	private static final PersonLabelClickEvent defaultCallback = new PersonLabelClickEvent() {
+		@Override
+		public void clicked(UserInfo user) {
+			if (user == null || user.eMail == null)
+				return;
+			OpenLinks.sendMail(user.eMail, null);
+		}
+	};
+
 }
diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/util/OpenLinks.java b/dozentenmodul/src/main/java/org/openslx/dozmod/util/OpenLinks.java
index 3263ee70..0ee446ed 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/util/OpenLinks.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/util/OpenLinks.java
@@ -2,7 +2,7 @@ package org.openslx.dozmod.util;
 
 import java.awt.Desktop;
 import java.net.URI;
-import java.net.URISyntaxException;
+import java.net.URLEncoder;
 
 import org.apache.log4j.Logger;
 
@@ -21,30 +21,56 @@ public class OpenLinks {
 		INTRO(
 				"http://www.hs-offenburg.de/fileadmin/Einrichtungen/hrz/Projekte/bwLehrpool/3_bwLehrpool_-_Image_einbinden_und_starten.pdf");
 
-		// TODO use enum not map
 		private final URI uri;
 
 		private Link(String uri) {
-			URI tmp;
+			this.uri = URI.create(uri);
+		}
+	}
+
+	/**
+	 * Open the URI corresponding to the given enum constant in the user's
+	 * default web browser.
+	 * 
+	 * @param location web site to open, passed as a member from the
+	 *            {@link Link} enum.
+	 * @return success on true
+	 */
+	public static boolean openWebpage(Link location) {
+		if (desktop != null && desktop.isSupported(Desktop.Action.BROWSE)) {
 			try {
-				tmp = new URI(uri);
-			} catch (URISyntaxException e) {
-				LOGGER.error("Hard-Coded URI contains syntax error!", e);
-				tmp = null;
+				desktop.browse(location.uri);
+				return true;
+			} catch (Exception e) {
+				LOGGER.error("Got exception in openWebpage: ", e);
 			}
-			this.uri = tmp;
 		}
+		return false;
 	}
 
-	public static void openWebpage(Link location) {
-
-		if (desktop == null || !desktop.isSupported(Desktop.Action.BROWSE))
-			return;
-		try {
-			desktop.browse(location.uri);
-		} catch (Exception e) {
-			LOGGER.error("Got exception in openWebpage: ", e);
+	/**
+	 * Send an email to the given email address, with an optional subject. This
+	 * will open the user's default mail application.
+	 * 
+	 * @param address receiver's address
+	 * @param subject default subject to use, <code>null</code> for no subject
+	 * @return false on not-success
+	 */
+	public static boolean sendMail(String address, String subject) {
+		if (desktop != null && desktop.isSupported(Desktop.Action.MAIL)) {
+			try {
+				if (subject != null) {
+					desktop.mail(new URI("mailto:" + address + "?subject="
+							+ URLEncoder.encode(subject, "UTF-8")));
+				} else {
+					desktop.mail(new URI("mailto:" + address));
+				}
+				return true;
+			} catch (Exception e) {
+				LOGGER.error("Got exception in sendMail: ", e);
+			}
 		}
+		return false;
 	}
 
 }