--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/analyzetoolext/com.nokia.s60tools.analyzetool/src/com/nokia/s60tools/analyzetool/internal/ui/graph/YAxis.java	Thu Feb 11 15:22:14 2010 +0200
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:  Definitions for the class YAxis
+ *
+ */
+package com.nokia.s60tools.analyzetool.internal.ui.graph;
+import java.text.DecimalFormat;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Transform;
+import org.eclipse.swt.widgets.Canvas;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.progress.UIJob;
+
+import com.nokia.s60tools.analyzetool.engine.IMemoryActivityModel;
+import com.nokia.s60tools.analyzetool.engine.IMemoryActivityModelChangeListener;
+import com.nokia.s60tools.analyzetool.engine.statistic.ProcessInfo;
+import com.nokia.s60tools.analyzetool.internal.ui.util.GraphUtils;
+
+/**
+ * FigureCanvas containing the Y axis of the AnalyzeTool graph
+ *
+ */
+public class YAxis extends Canvas implements IMemoryActivityModelChangeListener {
+	private static final int YLEGENDSPACE = 60;
+	private static final DecimalFormat MB_FORMAT = new DecimalFormat("#####.0");
+	private IMemoryActivityModel model;
+	protected int visualSizeY = 0;
+	private UIJob iRefreshUIJob;
+	private Image bytesImage;
+
+	/**
+	 * Constructor
+	 * @param parent
+	 */
+	public YAxis(Composite parent) {
+		super(parent, SWT.NONE);
+	}
+	/**
+	 * To be called once after construction.
+	 */
+	public void createContent() {
+		iRefreshUIJob = new UIJob("Updating Memory Activity Graph"){
+
+			@Override
+			public IStatus runInUIThread(IProgressMonitor arg0) {
+				// Refresh the graph
+				redraw();
+				return Status.OK_STATUS;
+			}
+			
+		};
+		iRefreshUIJob.setSystem(true);		
+	}
+
+	/**
+	 * Sets a new model as input
+	 * @param model
+	 */
+	public void setInput(IMemoryActivityModel model) {
+		if (this.model != null){
+			this.model.removeListener(this);
+		}
+		this.model = model;
+		this.model.addListener(this);
+	}
+	
+	/**
+	 * Called when paint event occurs. 
+	 * @param gc The GC to draw on
+	 */
+	@SuppressWarnings("cast")
+	public void paintYAxis(GC gc){
+		
+		
+		double visY = visualSizeY - 50;
+		//max value influences unit of measure on graph
+		int prettyBytes = GraphUtils.prettyMaxBytes(model.getHighestCumulatedMemoryAlloc());
+		double multiplier = prettyBytes / visY;
+		
+		double yIncrement = visY / 10;
+		int previousBottom = 0;
+		
+		for (double k = visY; k >= 0; k-=yIncrement)
+		{
+			// location for the value indicator is k * 1/10 the height of the display
+			int y = (int) (visY - k);
+		
+			int bytes = (int)(Math.ceil(k * multiplier));
+
+			String legend = "";
+			
+			if (prettyBytes < 10*1024)
+			{
+				legend += bytes + " B"; 
+			}
+			else if (prettyBytes <= 500 * 1024)
+			{
+				legend += (bytes / 1024) + " KB"; 
+			}
+			else
+			{
+				legend +=  MB_FORMAT.format(((float) bytes / (1024 * 1024)))  + " MB";
+			}
+			org.eclipse.swt.graphics.Point extent = gc.stringExtent(legend);
+			
+			gc.drawLine(YLEGENDSPACE - 3, (int)y + 1, YLEGENDSPACE, (int)y + 1);
+			
+			if (y >= previousBottom)
+			{
+				gc.drawString(legend, YLEGENDSPACE - extent.x -2, (int)y);
+				previousBottom = (int)y + extent.y;
+			}
+		}
+	
+		if (bytesImage == null){
+			bytesImage = GraphUtils.getVerticalLabel("Bytes");			
+		}
+		gc.setAdvanced(true);
+	    final org.eclipse.swt.graphics.Rectangle rect2 = bytesImage.getBounds();
+        Transform transform = new Transform(Display.getDefault());
+
+        transform.translate(rect2.height / 2f, rect2.width / 2f);
+        transform.rotate(-90);
+        transform.translate(-rect2.width / 2f, -rect2.height / 2f);
+
+        gc.setTransform(transform);
+        gc.drawImage(bytesImage, -(int)visY/3, 1);
+        
+        transform.dispose();
+	}
+	
+	/**
+	 * @return the visible height of the control
+	 */
+	public int getHeight() {
+		return visualSizeY;
+	}
+	/**
+	 * Sets the visible height of the control
+	 * @param height the height to set
+	 */
+	public void setHeight(int height) {
+		visualSizeY = height;
+	}
+
+	/* (non-Javadoc)
+	 * @see com.nokia.s60tools.analyzetool.engine.IMemoryActivityModelChangeListener#onProcessesAdded()
+	 */
+	public void onProcessesAdded() {
+		iRefreshUIJob.cancel();
+		iRefreshUIJob.schedule();
+	}
+
+	/* (non-Javadoc)
+	 * @see com.nokia.s60tools.analyzetool.engine.IMemoryActivityModelChangeListener#onProcessSelected(com.nokia.s60tools.analyzetool.engine.statistic.ProcessInfo)
+	 */
+	public void onProcessSelected(ProcessInfo p) {
+		iRefreshUIJob.cancel();
+		iRefreshUIJob.schedule();
+	}
+	
+//	public void dispose() {
+//	//TODO cancel ui jobs here and remove listeners
+//	//there is no dispose() entry point in this class; we may have to call this via MainView.dispose()
+//}
+
+}