implemented TimePlotLabeler

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

@@ -0,0 +1,50 @@
+package org.hwo.ui.diagram;
+
+import org.hwo.ui.JDiagram;
+
+public class TimePlotLabeler implements PlotLabeler{
+
+	@Override
+	public String getOrdinateLabel(JDiagram diagram, int ordinate, Double value) {
+		if (value == null)
+			return "";
+		if (value.isNaN())
+			return "";		
+		
+		Double window = diagram.getScaler(ordinate).getWindow();
+		int digits = ((Double)Math.log10(window)).intValue();
+		digits -= 4;
+		
+		if (digits < 0){
+			return String.format(
+					String.format("%%.%df",-digits),
+					value
+					);
+		} else if (digits == 0){
+			return String.format("%1.2f",value);
+		} else {
+			return String.format(
+					String.format("%%%d.2f",digits),
+					value
+					);
+		}
+	}
+
+	@Override
+	public String getAbzisseLabel(JDiagram diagram, Double pos) {
+		//pos == seconds
+		int hour, minute, second, millisecond;
+		hour = (int)(pos / 3600);
+		minute = ((int)(pos / 60) % 60);
+		second = (int)Math.round(pos) % 60;
+		millisecond = (int)(pos * 1000) % 1000;
+		String sh, sm, ss, sms;
+		sh = hour < 10? String.format("0%d", hour) : String.format("%d", hour);
+		sm = minute < 10? String.format("0%d", minute) : String.format("%d", minute);
+		ss = second < 10? String.format("0%d", second) : String.format("%d", second);
+		sms = millisecond < 10? String.format("0%d", millisecond) : String.format("%d", millisecond);
+		
+		return sh + ":" + sm + ":" + ss + "." + sms;
+	}
+
+}