How to use

fireChangeEvent

method

in

org.jfree.chart.plot.CombinedRangeXYPlot

/**
 * Removes a subplot from the combined chart.
 *
 * @param subplot  the subplot (<code>null</code> not permitted).
 */
public void remove(XYPlot subplot) {
  if (subplot == null) {
    throw new IllegalArgumentException(" Null 'subplot' argument.");
  }
  int position = -1;
  int size = this.subplots.size();
  int i = 0;
  while (position == -1 && i < size) {
    if (this.subplots.get(i) == subplot) {
      position = i;
    }
    i++;
  }
  if (position != -1) {
    this.subplots.remove(position);
    subplot.setParent(null);
    subplot.removeChangeListener(this);
    configureRangeAxes();
    fireChangeEvent();
  }
}

/**
 * Removes a subplot from the combined chart.
 *
 * @param subplot  the subplot ({@code null} not permitted).
 */
public void remove(XYPlot subplot) {
  Args.nullNotPermitted(subplot, "subplot");
  int position = -1;
  int size = this.subplots.size();
  int i = 0;
  while (position == -1 && i < size) {
    if (this.subplots.get(i) == subplot) {
      position = i;
    }
    i++;
  }
  if (position != -1) {
    this.subplots.remove(position);
    subplot.setParent(null);
    subplot.removeChangeListener(this);
    configureRangeAxes();
    fireChangeEvent();
  }
}

/**
 * Adds a subplot with a particular weight (greater than or equal to one).
 * The weight determines how much space is allocated to the subplot
 * relative to all the other subplots.
 * <br><br>
 * You must ensure that the subplot has a non-null domain axis.  The range
 * axis for the subplot will be set to <code>null</code>.
 *
 * @param subplot  the subplot.
 * @param weight  the weight (must be 1 or greater).
 */
public void add(XYPlot subplot, int weight) {
  // verify valid weight
  if (weight <= 0) {
    String msg = "The 'weight' must be positive.";
    throw new IllegalArgumentException(msg);
  }
  // store the plot and its weight
  subplot.setParent(this);
  subplot.setWeight(weight);
  subplot.setInsets(new RectangleInsets(0.0, 0.0, 0.0, 0.0));
  subplot.setRangeAxis(null);
  subplot.addChangeListener(this);
  this.subplots.add(subplot);
  configureRangeAxes();
  fireChangeEvent();
}

/**
 * Adds a subplot with a particular weight (greater than or equal to one).
 * The weight determines how much space is allocated to the subplot
 * relative to all the other subplots.
 * <br><br>
 * You must ensure that the subplot has a non-null domain axis.  The range
 * axis for the subplot will be set to {@code null}.
 *
 * @param subplot  the subplot ({@code null} not permitted).
 * @param weight  the weight (must be 1 or greater).
 */
public void add(XYPlot subplot, int weight) {
  Args.nullNotPermitted(subplot, "subplot");
  if (weight <= 0) {
    String msg = "The 'weight' must be positive.";
    throw new IllegalArgumentException(msg);
  }
  // store the plot and its weight
  subplot.setParent(this);
  subplot.setWeight(weight);
  subplot.setInsets(new RectangleInsets(0.0, 0.0, 0.0, 0.0));
  subplot.setRangeAxis(null);
  subplot.addChangeListener(this);
  this.subplots.add(subplot);
  configureRangeAxes();
  fireChangeEvent();
}