Initial commit from SVN.

Foundation SWT/src/com/foundation/view/swt/SwtViewContext.java

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+/*
+ * Copyright (c) 2005,2006 Declarative Engineering LLC.
+ * All rights reserved.  This program and the accompanying materials
+ * are made available under the terms of the Declarative Engineering LLC
+ * verson 1 which accompanies this distribution, and is available at
+ * http://declarativeengineering.com/legal/DE_Developer_License_v1.txt
+ */
+package com.foundation.view.swt;
+
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Display;
+
+import com.common.comparison.Comparator;
+import com.common.util.LiteHashMap;
+import com.foundation.view.DisplayMetadata;
+import com.foundation.view.IViewContext;
+import com.foundation.view.IViewRequestHandler;
+import com.foundation.view.ViewSystemMetadata;
+
+/**
+ * This class provides access to the non-view specific view system functionality.
+ */
+public class SwtViewContext implements IViewContext {
+	/** The one and only SWT view context object. */
+	private static final SwtViewContext singleton = new SwtViewContext();
+	/** An application data map that allows the application to store key value pairs associated with the view context. */
+	private LiteHashMap applicationDataMap = null;
+	/** The application specific context data. */
+	private Object applicationData = null;
+/**
+ * SwtViewContext constructor.
+ */
+private SwtViewContext() {
+	super();
+}//SwtViewContext()//
+/**
+ * Gets the one and only instance of the swt view context.
+ * @return The view context which provides access to the non-view specific view system functionality.
+ */
+public static SwtViewContext getSingleton() {
+	return singleton;
+}//getSingleton()//
+/**
+ * Gets the display for the swt view context.
+ * @return The swt view display.
+ */
+public Display getDisplay() {
+	return EventLoop.getSingleton().getDisplay();
+}//getDisplay()//
+/* (non-Javadoc)
+ * @see com.foundation.view.IViewContext#getViewSystemMetadata()
+ */
+public ViewSystemMetadata getViewSystemMetadata() {
+	org.eclipse.swt.widgets.Monitor[] monitors = getDisplay().getMonitors();
+	DisplayMetadata[] displayMetadata = new DisplayMetadata[monitors.length];
+	ViewSystemMetadata viewSystemMetadata = new ViewSystemMetadata(displayMetadata);
+	
+	//Collect information about each monitor.//
+	for(int monitorIndex = 0; monitorIndex < monitors.length; monitorIndex++) {
+		Rectangle bounds = monitors[monitorIndex].getBounds();
+		Rectangle clientArea = monitors[monitorIndex].getClientArea();
+		displayMetadata[monitorIndex] = new DisplayMetadata(new int[] {bounds.x, bounds.y, bounds.width, bounds.height}, new int[] {clientArea.x, clientArea.y, clientArea.width, clientArea.height});
+	}//for//
+	
+	return viewSystemMetadata;
+}//getViewSystemMetadata()//
+/* (non-Javadoc)
+ * @see com.foundation.view.IViewContext#getRequestHandler()
+ */
+public IViewRequestHandler getRequestHandler() {
+	return EventLoop.getSingleton();
+}//getRequestHandler()//
+/* (non-Javadoc)
+ * @see com.foundation.view.IViewContext#getApplicationData()
+ */
+public Object getApplicationData() {
+	return applicationData;
+}//getApplicationData()//
+/* (non-Javadoc)
+ * @see com.foundation.view.IViewContext#setApplicationData(java.lang.Object)
+ */
+public void setApplicationData(Object applicationData) {
+	this.applicationData = applicationData;
+}//setApplicationData()//
+/* (non-Javadoc)
+ * @see com.foundation.view.IViewContext#getApplicationData(java.lang.Object)
+ */
+public Object getApplicationData(Object key) {
+	return applicationDataMap == null ? null : applicationDataMap.get(key);
+}//getApplicationData()//
+/* (non-Javadoc)
+ * @see com.foundation.view.IViewContext#setApplicationData(java.lang.Object, java.lang.Object)
+ */
+public void setApplicationData(Object key, Object applicationData) {
+	if(applicationDataMap == null) {
+		applicationDataMap = new LiteHashMap(10, Comparator.getLogicalComparator(), Comparator.getLogicalComparator());
+	}//if//
+	
+	applicationDataMap.put(key, applicationData);
+}//setApplicationData()//
+/**
+ * Shuts down the swt event loop, freeing the thread and allowing the application to close gracefully.
+ */
+public void shutdown() {
+	new Thread(new Runnable() {
+		public void run() {
+			EventLoop.getSingleton().stop();
+		}//run()//
+	}).start();
+}//shutdown()//
+}//SwtViewContext//