Example usage for org.jfree.data.general DatasetChangeEvent DatasetChangeEvent

Introduction

In this page you can find the example usage for org.jfree.data.general DatasetChangeEvent DatasetChangeEvent.

Prototype

public DatasetChangeEvent(Object source, Dataset dataset)

Source Link

Document

Constructs a new event.

Usage

From source file:org.jfree.data.statistics.SimpleHistogramDataset.java

/**
 * Adds a set of values to the dataset and sends a
 * {@link DatasetChangeEvent} to all registered listeners.
 *
 * @param values  the values (<code>null</code> not permitted).
 *
 * @see #clearObservations()//from  w w w .  j av a 2 s.c  om
 */
public void addObservations(double[] values) {
    for (int i = 0; i < values.length; i++) {
        addObservation(values[i], false);
    }
    notifyListeners(new DatasetChangeEvent(this, this));
}

From source file:org.jfree.data.statistics.SimpleHistogramDataset.java

/**
 * Removes all current observation data and sends a
 * {@link DatasetChangeEvent} to all registered listeners.
 *
 * @since 1.0.6/*w w w.  j av a 2s .  c  o m*/
 *
 * @see #addObservations(double[])
 * @see #removeAllBins()
 */
public void clearObservations() {
    Iterator iterator = this.bins.iterator();
    while (iterator.hasNext()) {
        SimpleHistogramBin bin = (SimpleHistogramBin) iterator.next();
        bin.setItemCount(0);
    }
    notifyListeners(new DatasetChangeEvent(this, this));
}

From source file:org.jfree.data.statistics.SimpleHistogramDataset.java

/**
 * Removes all bins and sends a {@link DatasetChangeEvent} to all
 * registered listeners./*from ww  w .j ava 2  s  .  c  om*/
 *
 * @since 1.0.6
 *
 * @see #addBin(SimpleHistogramBin)
 */
public void removeAllBins() {
    this.bins = new ArrayList();
    notifyListeners(new DatasetChangeEvent(this, this));
}

From source file:org.jfree.data.xy.DefaultXYDataset.java

/**
 * Adds a series or if a series with the same key already exists replaces
 * the data for that series, then sends a {@link DatasetChangeEvent} to
 * all registered listeners.//from   w  w  w . j  a  va 2s.c o m
 *
 * @param seriesKey  the series key (<code>null</code> not permitted).
 * @param data  the data (must be an array with length 2, containing two
 *     arrays of equal length, the first containing the x-values and the
 *     second containing the y-values).
 */
public void addSeries(Comparable seriesKey, double[][] data) {
    if (seriesKey == null) {
        throw new IllegalArgumentException("The 'seriesKey' cannot be null.");
    }
    if (data == null) {
        throw new IllegalArgumentException("The 'data' is null.");
    }
    if (data.length != 2) {
        throw new IllegalArgumentException("The 'data' array must have length == 2.");
    }
    if (data[0].length != data[1].length) {
        throw new IllegalArgumentException("The 'data' array must contain two arrays with equal length.");
    }
    int seriesIndex = indexOf(seriesKey);
    if (seriesIndex == -1) { // add a new series
        this.seriesKeys.add(seriesKey);
        this.seriesList.add(data);
    } else { // replace an existing series
        this.seriesList.remove(seriesIndex);
        this.seriesList.add(seriesIndex, data);
    }
    notifyListeners(new DatasetChangeEvent(this, this));
}

From source file:edu.dlnu.liuwenpeng.Time.TimeSeriesCollection.java

/**    
* Sets a flag that controls whether the domain is treated as 'points in     
* time', or time periods.    /*from  w  w  w.  j  a va2s  .c o  m*/
*    
* @param flag  the flag.    
*     
* @deprecated This flag is no longer used, as of 1.0.1.  The     
*             <code>includeInterval</code> flag in methods such as     
*             {@link #getDomainBounds(boolean)} makes this unnecessary.    
*/
public void setDomainIsPointsInTime(boolean flag) {
    this.domainIsPointsInTime = flag;
    notifyListeners(new DatasetChangeEvent(this, this));
}

From source file:org.jfree.data.xy.DefaultXYDataset.java

/**
 * Removes a series from the dataset, then sends a
 * {@link DatasetChangeEvent} to all registered listeners.
 *
 * @param seriesKey  the series key (<code>null</code> not permitted).
 *
 *///  w  w  w.  ja va  2  s.  c o  m
public void removeSeries(Comparable seriesKey) {
    int seriesIndex = indexOf(seriesKey);
    if (seriesIndex >= 0) {
        this.seriesKeys.remove(seriesIndex);
        this.seriesList.remove(seriesIndex);
        notifyListeners(new DatasetChangeEvent(this, this));
    }
}

From source file:org.jfree.experimental.chart.plot.dial.DialPlot.java

/**
 * Sets a dataset for the plot./*from  ww w .  j a  v  a  2s .  co  m*/
 *
 * @param index  the dataset index.
 * @param dataset  the dataset (<code>null</code> permitted).
 */
public void setDataset(int index, ValueDataset dataset) {

    ValueDataset existing = (ValueDataset) this.datasets.get(index);
    if (existing != null) {
        existing.removeChangeListener(this);
    }
    this.datasets.set(index, dataset);
    if (dataset != null) {
        dataset.addChangeListener(this);
    }

    // send a dataset change event to self...
    DatasetChangeEvent event = new DatasetChangeEvent(this, dataset);
    datasetChanged(event);

}

From source file:org.cds06.speleograph.data.Series.java

/**
 * Notify listeners about something changed into the series.
 *//*from  w  w w. j  av  a  2 s .co m*/
public void notifyListeners() {
    final DatasetChangeEvent event = new DatasetChangeEvent(this, this);
    if (graphPanel != null)
        graphPanel.datasetChanged(event);
    for (DatasetChangeListener listener : staticListeners) {
        listener.datasetChanged(event);
    }
    for (DatasetChangeListener listener : listeners) {
        listener.datasetChanged(event);
    }
}

From source file:edu.dlnu.liuwenpeng.Time.TimeSeriesCollection.java

/**    
* Sets the position within each time period that is used for the X values     
* when the collection is used as an {@link XYDataset}, then sends a     
* {@link DatasetChangeEvent} is sent to all registered listeners.    
*     //from  ww  w . j  av a2 s. co m
* @param anchor  the anchor position (<code>null</code> not permitted).    
*/
public void setXPosition(TimePeriodAnchor anchor) {
    if (anchor == null) {
        throw new IllegalArgumentException("Null 'anchor' argument.");
    }
    this.xPosition = anchor;
    notifyListeners(new DatasetChangeEvent(this, this));
}

From source file:org.jfree.data.xy.DefaultXYZDataset.java

/**
 * Adds a series or if a series with the same key already exists replaces
 * the data for that series, then sends a {@link DatasetChangeEvent} to
 * all registered listeners.// w w w .j a v a 2 s .c o m
 *
 * @param seriesKey  the series key (<code>null</code> not permitted).
 * @param data  the data (must be an array with length 3, containing three
 *     arrays of equal length, the first containing the x-values, the
 *     second containing the y-values and the third containing the
 *     z-values).
 */
public void addSeries(Comparable seriesKey, double[][] data) {
    ParamChecks.nullNotPermitted(seriesKey, "seriesKey");
    ParamChecks.nullNotPermitted(data, "data");
    if (data.length != 3) {
        throw new IllegalArgumentException("The 'data' array must have length == 3.");
    }
    if (data[0].length != data[1].length || data[0].length != data[2].length) {
        throw new IllegalArgumentException(
                "The 'data' array must contain " + "three arrays all having the same length.");
    }
    int seriesIndex = indexOf(seriesKey);
    if (seriesIndex == -1) { // add a new series
        this.seriesKeys.add(seriesKey);
        this.seriesList.add(data);
    } else { // replace an existing series
        this.seriesList.remove(seriesIndex);
        this.seriesList.add(seriesIndex, data);
    }
    notifyListeners(new DatasetChangeEvent(this, this));
}