GraphViewSeries.java

package com.ezio.multiwii.graph;

import java.util.ArrayList;
import java.util.List;

import com.ezio.multiwii.graph.GraphView.GraphViewData;

public class GraphViewSeries {
	/**
	 * graph series style: color and thickness
	 */
	static public class GraphViewSeriesStyle {
		public int color = 0xff0077cc;
		public int thickness = 3;
		private ValueDependentColor valueDependentColor;

		public GraphViewSeriesStyle() {
			super();
		}

		public GraphViewSeriesStyle(int color, int thickness) {
			super();
			this.color = color;
			this.thickness = thickness;
		}

		public void setValueDependentColor(ValueDependentColor valueDependentColor) {
			this.valueDependentColor = valueDependentColor;
		}

		public ValueDependentColor getValueDependentColor() {
			return valueDependentColor;
		}
	}

	final String description;
	final GraphViewSeriesStyle style;
	GraphViewData[] values;
	final String key;
	private final List<GraphView> graphViews = new ArrayList<GraphView>();

	public GraphViewSeries(GraphViewData[] values) {
		description = null;
		style = new GraphViewSeriesStyle();
		this.values = values;
		key = null;
	}

	public GraphViewSeries(String key, String description, GraphViewSeriesStyle style, GraphViewData[] values) {
		super();
		this.description = description;
		if (style == null) {
			style = new GraphViewSeriesStyle();
		}
		this.style = style;
		this.values = values;
		this.key = key;
	}

	/**
	 * this graphview will be redrawn if data changes
	 * 
	 * @param graphView
	 */
	public void addGraphView(GraphView graphView) {
		this.graphViews.add(graphView);
	}

	/**
	 * add one data to current data
	 * 
	 * @param value
	 *            the new data to append
	 * @param scrollToEnd
	 *            true => graphview will scroll to the end (maxX)
	 */
	public void appendData(GraphViewData value, boolean scrollToEnd) {
		GraphViewData[] newValues = new GraphViewData[values.length + 1];
		int offset = values.length;
		System.arraycopy(values, 0, newValues, 0, offset);

		newValues[values.length] = value;
		values = newValues;
		for (GraphView g : graphViews) {
			if (scrollToEnd) {
				g.scrollToEnd();
			}
		}
	}

	/**
	 * clears the current data and set the new. redraws the graphview(s)
	 * 
	 * @param values
	 *            new data
	 */
	public void resetData(GraphViewData[] values) {
		this.values = values;
		for (GraphView g : graphViews) {
			g.redrawAll();
		}
	}
}