How to use

fireChangeEvent

method

in

org.jfree.chart.renderer.xy.AbstractXYItemRenderer

/**
 * Sets the URL generator for HTML image maps and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param urlGenerator  the URL generator ({@code null} permitted).
 */
@Override
public void setURLGenerator(XYURLGenerator urlGenerator) {
  this.urlGenerator = urlGenerator;
  fireChangeEvent();
}

/**
 * Sets the legend item URL generator and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param generator  the generator ({@code null} permitted).
 *
 * @see #getLegendItemURLGenerator()
 */
public void setLegendItemURLGenerator(XYSeriesLabelGenerator generator) {
  this.legendItemURLGenerator = generator;
  fireChangeEvent();
}

/**
 * Sets the default item label generator and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param generator  the generator ({@code null} permitted).
 */
@Override
public void setDefaultItemLabelGenerator(XYItemLabelGenerator generator) {
  this.defaultItemLabelGenerator = generator;
  fireChangeEvent();
}

/**
 * Sets the base tool tip generator and sends a {@link RendererChangeEvent}
 * to all registered listeners.
 *
 * @param generator  the generator (<code>null</code> permitted).
 *
 * @see #getBaseToolTipGenerator()
 */
public void setBaseToolTipGenerator(XYToolTipGenerator generator) {
  this.baseToolTipGenerator = generator;
  fireChangeEvent();
}

/**
 * Sets the URL generator for HTML image maps and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param urlGenerator  the URL generator (<code>null</code> permitted).
 */
public void setURLGenerator(XYURLGenerator urlGenerator) {
  this.urlGenerator = urlGenerator;
  fireChangeEvent();
}

/**
 * Receives notification of a change to an {@link Annotation} added to
 * this renderer.
 *
 * @param event  information about the event (not used here).
 *
 * @since 1.0.14
 */
@Override
public void annotationChanged(AnnotationChangeEvent event) {
  fireChangeEvent();
}

/**
 * Sets the default tool tip generator and sends a 
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param generator  the generator ({@code null} permitted).
 *
 * @see #getDefaultToolTipGenerator()
 */
@Override
public void setDefaultToolTipGenerator(XYToolTipGenerator generator) {
  this.defaultToolTipGenerator = generator;
  fireChangeEvent();
}

/**
 * Sets the legend item tool tip generator and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param generator  the generator ({@code null} permitted).
 *
 * @see #getLegendItemToolTipGenerator()
 */
public void setLegendItemToolTipGenerator(
    XYSeriesLabelGenerator generator) {
  this.legendItemToolTipGenerator = generator;
  fireChangeEvent();
}

/**
 * Sets the legend item tool tip generator and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param generator  the generator (<code>null</code> permitted).
 *
 * @see #getLegendItemToolTipGenerator()
 */
public void setLegendItemToolTipGenerator(
    XYSeriesLabelGenerator generator) {
  this.legendItemToolTipGenerator = generator;
  fireChangeEvent();
}

/**
 * Sets the legend item URL generator and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param generator  the generator (<code>null</code> permitted).
 *
 * @see #getLegendItemURLGenerator()
 */
public void setLegendItemURLGenerator(XYSeriesLabelGenerator generator) {
  this.legendItemURLGenerator = generator;
  fireChangeEvent();
}

/**
 * Sets the base item label generator and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param generator  the generator (<code>null</code> permitted).
 */
public void setBaseItemLabelGenerator(XYItemLabelGenerator generator) {
  this.baseItemLabelGenerator = generator;
  fireChangeEvent();
}

/**
 * Receives notification of a change to an {@link Annotation} added to
 * this renderer.
 *
 * @param event  information about the event (not used here).
 *
 * @since 1.0.14
 */
public void annotationChanged(AnnotationChangeEvent event) {
  fireChangeEvent();
}

/**
 * Sets the item label generator for ALL series and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param generator  the generator (<code>null</code> permitted).
 *
 * @see #getItemLabelGenerator()
 *
 * @deprecated As of version 1.0.6, this override setting should not be
 *     used.  You can use the base setting instead
 *     ({@link #setBaseItemLabelGenerator(XYItemLabelGenerator)}).
 */
public void setItemLabelGenerator(XYItemLabelGenerator generator) {
  this.itemLabelGenerator = generator;
  fireChangeEvent();
}

/**
 * Sets the tool tip generator for ALL series and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param generator  the generator (<code>null</code> permitted).
 *
 * @see #getToolTipGenerator()
 *
 * @deprecated As of version 1.0.6, this override setting should not be
 *     used.  You can use the base setting instead
 *     ({@link #setBaseToolTipGenerator(XYToolTipGenerator)}).
 */
public void setToolTipGenerator(XYToolTipGenerator generator) {
  this.toolTipGenerator = generator;
  fireChangeEvent();
}

/**
 * Sets the item label generator for a series and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param series  the series index (zero based).
 * @param generator  the generator ({@code null} permitted).
 */
@Override
public void setSeriesItemLabelGenerator(int series,
    XYItemLabelGenerator generator) {
  this.itemLabelGeneratorMap.put(series, generator);
  fireChangeEvent();
}

/**
 * Sets the tool tip generator for a series and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param series  the series index (zero based).
 * @param generator  the generator ({@code null} permitted).
 */
@Override
public void setSeriesToolTipGenerator(int series,
    XYToolTipGenerator generator) {
  this.toolTipGeneratorMap.put(series, generator);
  fireChangeEvent();
}

/**
 * Sets the item label generator for a series and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param series  the series index (zero based).
 * @param generator  the generator (<code>null</code> permitted).
 */
public void setSeriesItemLabelGenerator(int series,
                    XYItemLabelGenerator generator) {
  this.itemLabelGeneratorList.set(series, generator);
  fireChangeEvent();
}

/**
 * Sets the tool tip generator for a series and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param series  the series index (zero based).
 * @param generator  the generator (<code>null</code> permitted).
 */
public void setSeriesToolTipGenerator(int series,
                   XYToolTipGenerator generator) {
  this.toolTipGeneratorList.set(series, generator);
  fireChangeEvent();
}

/**
 * Sets the legend item label generator and sends a
 * {@link RendererChangeEvent} to all registered listeners.
 *
 * @param generator  the generator ({@code null} not permitted).
 *
 * @see #getLegendItemLabelGenerator()
 */
@Override
public void setLegendItemLabelGenerator(XYSeriesLabelGenerator generator) {
  Args.nullNotPermitted(generator, "generator");
  this.legendItemLabelGenerator = generator;
  fireChangeEvent();
}

/**
 * Removes all annotations and sends a {@link RendererChangeEvent}
 * to all registered listeners.
 */
@Override
public void removeAnnotations() {
  for (XYAnnotation annotation : this.foregroundAnnotations) {
    annotation.removeChangeListener(this);
  }
  for (XYAnnotation annotation : this.backgroundAnnotations) {
    annotation.removeChangeListener(this);
  }
  this.foregroundAnnotations.clear();
  this.backgroundAnnotations.clear();
  fireChangeEvent();
}