List of usage examples for org.jfree.data.general PieDataset removeChangeListener
public void removeChangeListener(DatasetChangeListener listener);
From source file:net.sourceforge.processdash.ui.lib.chart.DiscPlot.java
/** * Sets the dataset and sends a {@link DatasetChangeEvent} to 'this'. * * @param dataset the dataset (<code>null</code> permitted). * //from w w w .ja va 2 s . co m * @see #getDataset() */ public void setDataset(PieDataset dataset) { // if there is an existing dataset, remove the plot from the list of // change listeners... PieDataset existing = this.dataset; if (existing != null) { existing.removeChangeListener(this); } // set the new dataset, and register the chart as a change listener... this.dataset = dataset; if (dataset != null) { setDatasetGroup(dataset.getGroup()); dataset.addChangeListener(this); } // tell the item distributor about the change if (discDistributor != null) { discDistributor.setDataset(dataset); } // send a dataset change event to self... DatasetChangeEvent event = new DatasetChangeEvent(this, dataset); datasetChanged(event); }