LinesBean.java :  » MVC » simpleframework » net » simpleframework » web » page » component » ui » chart » Java Open Source

package net.simpleframework.web.page.component.ui.chart;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import net.simpleframework.web.JSONUtils;

import org.dom4j.Element;

/**
 * LGPLv3
 * 
 * @author (cknet@126.com, 13910090885)
 *         http://code.google.com/p/simpleframework/
 *         http://www.simpleframework.net
 */
public class LinesBean extends AbstractGraphTypeBean {

  private Collection<LineDataBean> lines;

  public LinesBean(final Element dom4jElement, final ChartBean chartBean) {
    super(dom4jElement, chartBean);
    setFillOpacity(0.4);
  }

  public LinesBean(final ChartBean chartBean) {
    this(null, chartBean);
  }

  public Collection<LineDataBean> getLines() {
    if (lines == null) {
      lines = new ArrayList<LineDataBean>();
    }
    return lines;
  }

  @Override
  protected String data() throws IOException {
    final StringBuilder sb = new StringBuilder();
    sb.append("[");
    int i = 0;
    for (final LineDataBean lineData : getLines()) {
      if (i++ > 0) {
        sb.append(",");
      }
      sb.append("{");
      lineData.appendAttr(sb);
      sb.append("lines: ").append(options()).append(",");
      options_points(sb);
      options_mouse(sb);
      sb.append("data: ").append(JSONUtils.toJSON(lineData.getData()));
      sb.append("}");
    }
    sb.append("]");
    return sb.toString();
  }

  public static class LineDataBean extends AbstractGraphData {

    private List<Number[]> data;

    public LineDataBean(final Element dom4jElement, final AbstractGraphTypeBean graphType) {
      super(dom4jElement, graphType);
    }

    public LineDataBean(final AbstractGraphTypeBean graphType) {
      this(null, graphType);
    }

    public List<Number[]> getData() {
      if (data == null) {
        data = new ArrayList<Number[]>();
      }
      return data;
    }

    public void addData(final Number x, final Number y) {
      getData().add(new Number[] { x, y });
    }
  }
}