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:net.sourceforge.jabm.view.BarChart.java

public void compute(ReportVariablesChangedEvent event) {
    computeVariableNames();/*  w w  w  .  j a va2s  .  co m*/
    final Dataset eventOriginator = this;
    try {
        SwingUtilities.invokeAndWait(new Runnable() {
            public void run() {
                for (DatasetChangeListener listener : listeners) {
                    listener.datasetChanged(new DatasetChangeEvent(eventOriginator, eventOriginator));
                }
            }
        });
    } catch (InterruptedException e) {
        logger.warn(e);
        Thread.currentThread().interrupt();
    } catch (InvocationTargetException e) {
        logger.warn(e);
    }
}

From source file:net.sourceforge.jabm.view.TimeSeriesChart.java

/**
 * When this report is computed it notifies its listeners (typically
 * the JFreeChart swing component) that its data set has changed.
 *//*from   ww w . j av  a  2 s  .co  m*/
public void compute(ReportVariablesChangedEvent event) {
    final Dataset eventOriginator = this;
    for (DatasetChangeListener listener : listeners) {
        listener.datasetChanged(new DatasetChangeEvent(eventOriginator, eventOriginator));
    }
}

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

/**
 * Sets the flag that controls whether or not the bin count is divided by
 * the bin size in the {@link #getYValue(int, int)} method, and sends a
 * {@link DatasetChangeEvent} to all registered listeners.
 *
 * @param adjust  the flag./* w  w w . ja v a2s  .co m*/
 *
 * @see #getAdjustForBinSize()
 */
public void setAdjustForBinSize(boolean adjust) {
    this.adjustForBinSize = adjust;
    notifyListeners(new DatasetChangeEvent(this, this));
}

From source file:org.cds06.speleograph.GraphPanel.java

/**
 * Method called when a Series has changed in the application.
 *
 * @param event information about the event.
 *///w  ww .j  av  a  2  s  .com
@Override
public void datasetChanged(DatasetChangeEvent event) {
    for (int i = 0, max = plot.getDatasetCount(); i < max; i++) {
        plot.setDataset(i, null);
        plot.setRangeAxis(i, null);
        plot.setRenderer(i, null);
    }
    final ArrayList<NumberAxis> shownAxis = new ArrayList<>(series.size());
    for (final Series set : series) {
        if (set == null)
            continue;
        NumberAxis rangeAxis = set.getAxis();
        if (set.isShow()) {
            int id = series.indexOf(set);
            plot.setDataset(id, set);
            plot.setRenderer(id, set.getRenderer(), false);
            int index = shownAxis.indexOf(rangeAxis);
            if (index == -1) {
                shownAxis.add(rangeAxis);
                index = shownAxis.indexOf(rangeAxis);
                plot.setRangeAxis(index, rangeAxis, false);
                plot.setRangeAxisLocation(index, AxisLocation.BOTTOM_OR_LEFT);
            }
            plot.mapDatasetToRangeAxis(id, index);
            plot.getRenderer().setSeriesItemLabelsVisible(0, true, true);
            plot.datasetChanged(new DatasetChangeEvent(this, set));
        }
    }
    if (shownAxis.size() == 0) {
        setupEmptyChart();
    } else {
        plot.setDomainAxis(dateAxis);

    }
}

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).
 * /*w w  w  .j a va 2 s.c  o  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);
}

From source file:sim.util.media.chart.ChartGenerator.java

/** Key must be 0 or higher.  Will update only if the key passed in is different
from the previously passed in key or if the key is FORCE_KEY.  
If newData is true, then the chart will also be written out to a movie if appropriate. */
public void update(long key, boolean newData) {
    if (key == oldKey && key != FORCE_KEY) // we already did it
        return;/* ww  w  .  j  av a  2  s  .  co m*/
    else {
        oldKey = key;
        update();

        if (newData)
            chart.getPlot().datasetChanged(new DatasetChangeEvent(chart.getPlot(), null));

        // now possibly write to the movie maker
        if (newData && movieMaker != null) {
            // add buffer to the movie maker
            movieMaker.add(getBufferedImage());
        }
    }
}

From source file:edu.gmu.cs.sim.util.media.chart.ChartGenerator.java

/** Key must be 0 or higher.  Will update only if the key passed in is different
 from the previously passed in key or if the key is FORCE_KEY.
 If newData is true, then the chart will also be written out to a movie if appropriate. */
public void update(long key, boolean newData) {
    if (key == oldKey && key != FORCE_KEY) // we already did it
    {//from   w  w w. ja v a2  s .  c o  m
        return;
    } else {
        oldKey = key;
        update();

        if (newData) {
            chart.getPlot().datasetChanged(new DatasetChangeEvent(chart.getPlot(), null));
        }

        // now possibly write to the movie maker
        if (newData && movieMaker != null) {
            // add buffer to the movie maker
            movieMaker.add(getBufferedImage());
        }
    }
}

From source file:ucar.unidata.idv.control.chart.MyTimeSeriesPlot.java

/**
 * ignore changes// ww w  . jav a2  s .  co  m
 *
 * @param b ignore changes_
 */
public void setIgnoreDataSetChanges(boolean b) {
    boolean fireChange = ((b != ignoreDataSetChanges) && !b);
    ignoreDataSetChanges = b;
    if (fireChange) {
        datasetChanged(new DatasetChangeEvent(this, getDataset()));
    }
}

From source file:org.jfree.data.general.AbstractDataset.java

/**
 * Notifies all registered listeners that the dataset has changed, 
 * provided that the <code>notify</code> flag has not been set to 
 * <code>false</code>.//from w  ww .j a va  2s .com
 *
 * @see #addChangeListener(DatasetChangeListener)
 */
protected void fireDatasetChanged() {
    if (this.notify) {
        notifyListeners(new DatasetChangeEvent(this, this));
    }
}

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

/**
 * Adds an observation to the dataset (by incrementing the item count for
 * the appropriate bin).  A runtime exception is thrown if the value does
 * not fit into any bin./* w ww .  ja va2s. c o m*/
 *
 * @param value  the value.
 * @param notify  send {@link DatasetChangeEvent} to listeners?
 */
public void addObservation(double value, boolean notify) {
    boolean placed = false;
    Iterator iterator = this.bins.iterator();
    while (iterator.hasNext() && !placed) {
        SimpleHistogramBin bin = (SimpleHistogramBin) iterator.next();
        if (bin.accepts(value)) {
            bin.setItemCount(bin.getItemCount() + 1);
            placed = true;
        }
    }
    if (!placed) {
        throw new RuntimeException("No bin.");
    }
    if (notify) {
        notifyListeners(new DatasetChangeEvent(this, this));
    }
}