added MultiPlotPainter

src/org/hwo/ui/diagram/MultiPlotPainter.java

@@ -0,0 +1,46 @@
+package org.hwo.ui.diagram;
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.util.LinkedList;
+
+public class MultiPlotPainter implements PlotPainter{
+
+	private LinkedList<PlotPainter> painters;
+	
+	public MultiPlotPainter(PlotPainter[] painters) {
+		this.painters = new LinkedList<>();
+		for(PlotPainter p : painters) {
+			this.painters.add(p);
+		}
+	}
+	
+	@Override
+	public void reset() {
+		for(PlotPainter p : this.painters) {
+			p.reset();
+		}
+	}
+
+	@Override
+	public void paintPoint(Graphics2D g, Color color, int x, int y, boolean isSelected) {
+		for(PlotPainter p : this.painters) {
+			p.paintPoint(g, color, x, y, isSelected);
+		}
+	}
+
+	public PlotPainter getPainter(int index) {
+		return this.painters.get(index);
+	}
+	public void removePainter(int index) {
+		this.painters.remove(index);
+	}
+	public void removePainter(PlotPainter painter) {
+		this.painters.remove(painter);
+	}
+	
+	public void addPainter(PlotPainter painter) {
+		this.painters.add(painter);
+	}
+	
+}