1 files changed, 121 insertions, 0 deletions
diff --git a/systemtap/org.eclipse.linuxtools.systemtap.ui.graphingapi.ui/src/org/eclipse/linuxtools/systemtap/ui/graphingapi/ui/graphs/ScatterGraph.java b/systemtap/org.eclipse.linuxtools.systemtap.ui.graphingapi.ui/src/org/eclipse/linuxtools/systemtap/ui/graphingapi/ui/graphs/ScatterGraph.java
new file mode 100644
index 0000000000..d91c400b1b
--- /dev/null
+++ b/systemtap/org.eclipse.linuxtools.systemtap.ui.graphingapi.ui/src/org/eclipse/linuxtools/systemtap/ui/graphingapi/ui/graphs/ScatterGraph.java
@@ -0,0 +1,121 @@
+/*******************************************************************************
+ * Copyright (c) 2006 IBM Corporation.
+ * 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:
+ *     IBM Corporation - Jeff Briggs, Henry Hughes, Ryan Morse
+ *******************************************************************************/
+
+package org.eclipse.linuxtools.systemtap.ui.graphingapi.ui.graphs;
+
+import org.eclipse.linuxtools.systemtap.ui.graphingapi.nonui.IGraphColorConstants;
+import org.eclipse.linuxtools.systemtap.ui.graphingapi.nonui.adapters.ScrollAdapter;
+import org.eclipse.linuxtools.systemtap.ui.graphingapi.nonui.structures.DataPoint;
+import org.eclipse.linuxtools.systemtap.ui.graphingapi.nonui.structures.NumberType;
+import org.eclipse.linuxtools.systemtap.ui.graphingapi.ui.widgets.GraphComposite;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.GC;
+
+
+
+/**
+ * A generic scatter plot implementation.
+ * @author Ryan Morse
+ * @author Henry Hughes
+ */
+public class ScatterGraph extends AGraph implements IScrollGraph {
+	/**
+	 * Default constructor for ScatterGraph. Simply invokes the constructor from <code>Graph</code>
+	 * and fires the Update Event when its done, causing the graph to draw itself.
+	 */
+	public ScatterGraph(GraphComposite parent, int style, String title, ScrollAdapter adapter) {
+		super(parent, style, title, adapter);
+		this.adapter = adapter;
+		handleUpdateEvent();
+	}
+	
+	@SuppressWarnings("unchecked")
+	public void paintElementList(GC gc) {
+		DataPoint[] points = new DataPoint[0];
+
+		Color temp = gc.getForeground();
+		Color temp1 = gc.getBackground();
+		Color c;
+
+		double xSize = super.getSize().x - (super.getXPadding()<<1);
+		xSize /= (super.getLocalWidth());
+		double ySize = super.getSize().y - (super.getYPadding()<<1);
+		ySize /= (super.getLocalHeight());
+
+		double px, py;
+		
+		for(int j=0; j<elementList.length; j++) {
+			points = (DataPoint[])elementList[j].toArray(points);
+	
+			c = new Color(getDisplay(), IGraphColorConstants.COLORS[j]);
+			gc.setForeground(c);
+			gc.setBackground(c);
+	
+			for(int i=0; i<points.length; i++) {
+				px = (points[i].x-super.getLocalXMin());
+				px *= xSize;
+				px += super.getXPadding() - (DIAMETER>>1);
+	
+				py = super.getLocalYMax() - points[i].y;
+				py *= ySize;
+				py += super.getYPadding() - (DIAMETER>>1);
+	
+				gc.fillOval((int)px, (int)py, DIAMETER, DIAMETER);
+			}
+		}
+		
+		gc.setForeground(temp);
+		gc.setBackground(temp1);
+	}
+	
+	public boolean isMultiGraph() {
+		return adapter.getSeriesCount() > 0;
+	}
+	
+	/**
+	 * Updates the graph when the <code>IDataSet</code> has more data, adding the new samples to the graph.
+	 */
+	public void handleUpdateEvent() {
+		if(null == adapter) return;
+
+		this.getDisplay().syncExec(new Runnable() {
+			@SuppressWarnings("unchecked")
+			public void run() {
+				Object[][] data = adapter.getData(removedItems, adapter.getRecordCount());
+
+				if(normalize) {
+					double max;
+					for(int j,i=0; i<adapter.getSeriesCount(); i++) {
+						elementList[i].clear();	//TODO: Only temparary
+						max = adapter.getYSeriesMax(i, removedItems, adapter.getRecordCount()).doubleValue() / 100;
+						for(j=0; j<data.length; j++) {
+							elementList[i].add(new DataPoint(NumberType.obj2num(data[j][0]).doubleValue(), 
+				  					  					NumberType.obj2num(data[j][i+1]).doubleValue() / max));
+						}
+					}
+				} else {
+					for(int j,i=0; i<adapter.getSeriesCount(); i++) {
+						elementList[i].clear();	//TODO: Only temparary
+						for(j=0; j<data.length; j++) {
+							elementList[i].add(new DataPoint(NumberType.obj2num(data[j][0]).doubleValue(), 
+				  					  					NumberType.obj2num(data[j][i+1]).doubleValue()));
+						}
+					}
+				}
+			}
+		});
+		this.repaint();
+	}
+	
+	private ScrollAdapter adapter;
+	public static final String ID = "org.eclipse.linuxtools.systemtap.ui.graphingapi.ui.graphs.scattergraph";
+	private static final int DIAMETER = 5;
+}