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+/* *************************************************************************
+ 
+ IT Mill Toolkit 
+
+ Development of Browser User Interfaces Made Easy
+
+ Copyright (C) 2000-2006 IT Mill Ltd
+ 
+ *************************************************************************
+
+ This product is distributed under commercial license that can be found
+ from the product package on license.pdf. Use of this product might 
+ require purchasing a commercial license from IT Mill Ltd. For guidelines 
+ on usage, see licensing-guidelines.html
+
+ *************************************************************************
+ 
+ For more information, contact:
+ 
+ IT Mill Ltd                           phone: +358 2 4802 7180
+ Ruukinkatu 2-4                        fax:   +358 2 4802 7181
+ 20540, Turku                          email:  info@itmill.com
+ Finland                               company www: www.itmill.com
+ 
+ Primary source for information and releases: www.itmill.com
+
+ ********************************************************************** */
+
+package com.itmill.toolkit.tests.featurebrowser;
+
+import java.net.URL;
+import java.util.Date;
+import java.util.Iterator;
+import java.util.Map;
+
+import com.itmill.toolkit.terminal.DownloadStream;
+import com.itmill.toolkit.terminal.PaintException;
+import com.itmill.toolkit.terminal.PaintTarget;
+import com.itmill.toolkit.terminal.ParameterHandler;
+import com.itmill.toolkit.terminal.URIHandler;
+import com.itmill.toolkit.terminal.gwt.server.ApplicationServlet;
+import com.itmill.toolkit.terminal.gwt.server.WebBrowser;
+import com.itmill.toolkit.ui.Component;
+import com.itmill.toolkit.ui.Form;
+import com.itmill.toolkit.ui.Label;
+import com.itmill.toolkit.ui.OrderedLayout;
+import com.itmill.toolkit.ui.Panel;
+import com.itmill.toolkit.ui.Select;
+
+public class IntroWelcome extends Feature implements URIHandler,
+		ParameterHandler {
+
+	private WebBrowser webBrowser = null;
+
+	Panel panel = new Panel();
+
+	private static final String WELCOME_TEXT_UPPER = ""
+			+ "This application lets you view and play with some features of "
+			+ "IT Mill Toolkit. Use menu on the left to select component."
+			+ "<br /><br />Note the <b>Properties selection</b> on the top "
+			+ "right corner. Click it open to access component properties and"
+			+ " feel free to edit properties at any time."
+			+ "<br /><br />The area that you are now reading is the component"
+			+ " demo area. Lower area from here contains component description, API"
+			+ " documentation and optional code sample. Note that not all selections"
+			+ " contain demo, only description and API documentation is shown."
+			+ "<br /><br />You may also change application's theme from below the menu."
+			+ " This example application is designed to work best with"
+			+ " <em>Demo</em> theme, other themes are for demonstration purposes only."
+			+ "<br /><br />IT Mill Toolkit enables you to construct complex Web"
+			+ " applications using plain Java, no knowledge of other Web technologies"
+			+ " such as XML, HTML, DOM, JavaScript or browser differences is required."
+			+ "<br /><br />For more information, point your browser to"
+			+ " <a href=\"http://www.itmill.com\" target=\"_new\">www.itmill.com</a>.";
+
+	private static final String WELCOME_TEXT_LOWER = ""
+			+ "This area contains the selected component's description, list of properties, javadoc"
+			+ " and optional code sample. "
+			+ "Start your tour now by selecting features from the list"
+			+ " on the left and remember to experiment with the <b>Properties panel</b>"
+			+ " located at the top right corner area.";
+
+	private String description = WELCOME_TEXT_LOWER
+			+ "<br /><br />IT Mill Toolkit version: "
+			+ ApplicationServlet.VERSION;
+
+	public IntroWelcome() {
+		super();
+	}
+
+	protected Component getDemoComponent() {
+
+		OrderedLayout l = new OrderedLayout();
+
+		panel.setCaption("Welcome to the IT Mill Toolkit feature tour!");
+		l.addComponent(panel);
+
+		Label label = new Label();
+		panel.addComponent(label);
+
+		label.setContentMode(Label.CONTENT_XHTML);
+		label.setValue(WELCOME_TEXT_UPPER);
+
+		propertyPanel = new PropertyPanel(panel);
+		Form ap = propertyPanel.createBeanPropertySet(new String[] { "width",
+				"height" });
+		Select themes = (Select) propertyPanel.getField("style");
+		themes.addItem("light").getItemProperty(
+				themes.getItemCaptionPropertyId()).setValue("light");
+		themes.addItem("strong").getItemProperty(
+				themes.getItemCaptionPropertyId()).setValue("strong");
+		propertyPanel.addProperties("Panel Properties", ap);
+
+		setJavadocURL("package-summary.html");
+
+		setPropsReminder(false);
+
+		return l;
+	}
+
+	protected String getExampleSrc() {
+		return ""
+				+ "package com.itmill.toolkit.demo;\n"
+				+ "import com.itmill.toolkit.ui.*;\n\n"
+				+ "public class HelloWorld extends com.itmill.toolkit.Application {\n"
+				+ "    public void init() {\n"
+				+ "        Window main = new Window(\"Hello window\");\n"
+				+ "        setMainWindow(main);\n"
+				+ "        main.addComponent(new Label(\"Hello World!\"));\n"
+				+ "    }\n" + "}\n";
+	}
+
+	// not ready yet to give description, see paint instead
+	protected String getDescriptionXHTML() {
+		return description;
+	}
+
+	// Hack for #512: set description right (WebBrowser now exists)
+	public void paint(PaintTarget target) throws PaintException {
+		if (webBrowser == null) {
+			webBrowser = (WebBrowser) getWindow().getTerminal();
+			if (webBrowser != null) {
+				super.getDescription().setValue(
+						description + "<br />Browser: "
+								+ webBrowser.getBrowserApplication());
+				try {
+					FeatureUtil.debug(getApplication().getUser().toString(),
+							"timestamp=[" + FeatureUtil.getTimestamp()
+									+ "] userAgent=["
+									+ webBrowser.getBrowserApplication() + "]");
+				} catch (Exception e) {
+					// ignored, should never happen
+				}
+			}
+		}
+		super.paint(target);
+	}
+
+	protected String getImage() {
+		return "icon_intro.png";
+	}
+
+	protected String getTitle() {
+		return "Welcome";
+	}
+
+	/**
+	 * Add URI and parametes handlers to window.
+	 * 
+	 * @see com.itmill.toolkit.ui.Component#attach()
+	 */
+	public void attach() {
+		super.attach();
+		getWindow().addURIHandler(this);
+		getWindow().addParameterHandler(this);
+	}
+
+	/**
+	 * Remove all handlers from window
+	 * 
+	 * @see com.itmill.toolkit.ui.Component#detach()
+	 */
+	public void detach() {
+		super.detach();
+		getWindow().removeURIHandler(this);
+		getWindow().removeParameterHandler(this);
+	}
+
+	/**
+	 * Update URI
+	 * 
+	 * @see com.itmill.toolkit.terminal.URIHandler#handleURI(URL, String)
+	 */
+	public DownloadStream handleURI(URL context, String relativeUri) {
+		return null;
+	}
+
+	/**
+	 * Show system status if systemStatus is given on URL
+	 * 
+	 * @see com.itmill.toolkit.terminal.ParameterHandler#handleParameters(Map)
+	 */
+	public void handleParameters(Map parameters) {
+		for (Iterator i = parameters.keySet().iterator(); i.hasNext();) {
+			String name = (String) i.next();
+			if (name.equals("systemStatus")) {
+				String status = "";
+				status += "timestamp=" + new Date() + " ";
+				status += "free=" + Runtime.getRuntime().freeMemory() + ", ";
+				status += "total=" + Runtime.getRuntime().totalMemory() + ", ";
+				status += "max=" + Runtime.getRuntime().maxMemory() + "\n";
+				System.out.println(status);
+			}
+		}
+	}
+
+}