ganttpostprocess.java

dorado 展现中间件是一款企业级的商用AJAX平台软件

package sample.integration.chart.gantt;

import java.text.SimpleDateFormat;
import java.util.Map;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.DateTickUnit;
import org.jfree.chart.plot.CategoryPlot;

import de.laures.cewolf.ChartPostProcessor;

public class GanttPostProcess
    implements ChartPostProcessor {

  public void processChart(Object chart, Map params) {
    JFreeChart myChart = (JFreeChart)chart;
    CategoryPlot plot = myChart.getCategoryPlot();
    DateAxis axis = (DateAxis)plot.getRangeAxis();
    axis.setDateFormatOverride(new SimpleDateFormat("MM/dd"));
    axis.setTickUnit(new DateTickUnit(DateTickUnit.DAY, 5,
                                      new SimpleDateFormat("dd")));
    axis.setLowerMargin(0.02);

    CategoryAxis categoryAxis = plot.getDomainAxis();
    categoryAxis.setLowerMargin(0.01);
    categoryAxis.setUpperMargin(0.01);
    categoryAxis.setCategoryLabelPositionOffset(0);
    categoryAxis.setCategoryMargin(0);
    categoryAxis.setFixedDimension(0);
    categoryAxis.setLabelAngle(0);

  }
}