/**
* Updates the histogram.
*
* @param oLegend Legend for this chart.
* @throws ModelException Passing through an underlying exception.
*/
void updateChart(Legend oLegend) throws ModelException {
// If there are no series in the dataset, add them now (in case the
// file was re-parsed while this chart was open)
if (m_oDataset.getSeriesCount() == 0) {
addSeriesToDataset();
}
ModelHistogramDataset oAdjustedDataset = updateForVisible(oLegend);
DataGrapher.updateHistogram(oAdjustedDataset, m_oChartFrame, oLegend, this);
// Update bin information, if we're updating
if (m_bRecalcBinsOnUpdate) {
JTextField jNumBins =
(JTextField)
DataGrapher.findNamedComponent(m_oChartFrame.getContentPane(), NUMBER_BINS_NAME);
JTextField jBinSize =
(JTextField)
DataGrapher.findNamedComponent(m_oChartFrame.getContentPane(), BIN_SIZE_NAME);
jNumBins.setText(String.valueOf(m_iNumBins));
jBinSize.setText(m_jFormat.format(m_fBinSize));
}
if (m_bIsInt) m_jMinDatasetValue.setText(String.valueOf((int) m_fDatasetMin));
else m_jMinDatasetValue.setText(String.valueOf(m_jFormat.format(m_fDatasetMin)));
if (m_bIsInt) m_jMaxDatasetValue.setText(String.valueOf((int) m_fDatasetMax));
else m_jMaxDatasetValue.setText(String.valueOf(m_jFormat.format(m_fDatasetMax)));
}
/**
* Writes the histogram's data to tab-delimited text.
*
* @param jOut java.io.FileWriter The file to write to.
* @throws java.io.IOException if there's a problem writing the file.
*/
protected void writeChartDataToFile(java.io.FileWriter jOut) throws java.io.IOException {
int i, j, iNumSeries, iNumItems;
// jOut.write("Values are in number per hectare.\n");
// Get the number of series - this will be the number of species, with
// a possible totals series
iNumSeries = m_oDataset.getSeriesCount();
if (iNumSeries <= 0) {
jOut.write("This histogram has no data.\n");
return;
}
// Write out the header columns
jOut.write("Species");
for (i = 1; i <= m_iNumBins; i++) {
jOut.write(
"\t" + String.valueOf((i - 1) * m_fBinSize) + " - " + String.valueOf(i * m_fBinSize));
}
jOut.write("\n");
// Write out the series
for (i = 0; i < iNumSeries; i++) {
jOut.write((String) m_oDataset.getSeriesKey(i));
iNumItems = m_oDataset.getItemCount(i);
for (j = 0; j < iNumItems; j++) {
jOut.write("\t" + String.valueOf(m_oDataset.getYValue(i, j)));
}
jOut.write("\n");
}
jOut.write("\n");
}
/**
* Adds the series to the dataset and makes values per-hectare.
*
* @param bBatchMode Whether or not this is batch mode.
*/
public void timestepParseFinished(boolean bBatchMode) throws ModelException {
int iNumSeries, iNumItems, i, j;
float fValue;
// Add series to dataset
if (m_oDataset.getSeriesCount() == 0) {
addSeriesToDataset();
// Adjust values to amounts per hectare
iNumSeries = m_oDataset.getSeriesCount();
for (i = 0; i < iNumSeries; i++) {
iNumItems = m_oDataset.getItemCount(i);
for (j = 0; j < iNumItems; j++) {
fValue = m_oDataset.getY(i, j).intValue();
// fValue /= m_fPlotAreaInHectares;
m_oDataset.setYValue(i, j, fValue);
}
}
}
}
/**
* Copies our dataset and includes only species marked as visible in the legend.
*
* @param oLegend Legend for this chart.
* @return The copied dataset.
* @throws ModelException Passing through an underlying exception.
*/
protected ModelHistogramDataset updateForVisible(Legend oLegend) throws ModelException {
ModelHistogramDataset oNewDataset = (ModelHistogramDataset) m_oDataset.clone();
String sName;
int i;
for (i = 0; i < oNewDataset.getSeriesCount(); i++) {
sName = (String) oNewDataset.getSeriesKey(i);
if (sName.equalsIgnoreCase("total") == false) {
// If it's enabled, add the series to the copy
if (!oLegend.getIsSpeciesSelected(m_oManager.getSpeciesCodeFromName(sName))) {
oNewDataset.removeSeries(i);
i--;
}
}
}
return oNewDataset;
}
/**
* Performs actions for the controls in the Histogram window.
*
* @param oEvent Event triggered.
*/
public void actionPerformed(ActionEvent oEvent) {
try {
if (oEvent.getSource() instanceof JCheckBox) {
JCheckBox jBox = (JCheckBox) oEvent.getSource();
if (jBox.getName().equals("log_checkbox")) {
if (jBox.isSelected() != m_bUseLogarithmicAxis) {
m_bUseLogarithmicAxis = jBox.isSelected();
updateChart(m_oManager.getLegend());
}
} else if (jBox.getName().equals("total_checkbox")) {
if (jBox.isSelected() != m_bShowTotal) {
m_bShowTotal = jBox.isSelected();
// If the dataset already exists, simply calling an update will
// have no effect; so either remove or add the series, as
// requested
if (m_oDataset != null && m_oDataset.getSeriesCount() > 0) {
if (m_bShowTotal == true) {
m_oDataset.addTotalSeries();
} else {
for (int i = 0; i < m_oDataset.getSeriesCount(); i++) {
if (((String) m_oDataset.getSeriesKey(i)).equalsIgnoreCase("total")) {
m_oDataset.removeSeries(i);
break;
}
}
}
}
updateChart(m_oManager.getLegend());
}
}
} else if (oEvent.getActionCommand().equals("UpdateBins")) {
// Make sure the values in the bins are recognizable, greater-than-zero numbers
int iNumBins = 0;
float fBinSize = 0;
JTextField jNumBins =
(JTextField)
DataGrapher.findNamedComponent(m_oChartFrame.getContentPane(), NUMBER_BINS_NAME);
JTextField jBinSize =
(JTextField)
DataGrapher.findNamedComponent(m_oChartFrame.getContentPane(), BIN_SIZE_NAME);
try {
Integer oNumBins = new Integer(jNumBins.getText());
Float oBinSize = new Float(jBinSize.getText());
iNumBins = oNumBins.intValue();
fBinSize = oBinSize.floatValue();
} catch (java.lang.NumberFormatException oErr) {
JOptionPane.showMessageDialog(
m_oChartFrame,
"The value for number of bins or bin size is not a recognized number.");
jNumBins.setText(String.valueOf(m_iNumBins));
jBinSize.setText(String.valueOf(m_fBinSize));
return;
}
if (iNumBins <= 0 || fBinSize <= 0) {
JOptionPane.showMessageDialog(
m_oChartFrame,
"The values for number of bins and bin size must be greater than zero.");
jNumBins.setText(String.valueOf(m_iNumBins));
jBinSize.setText(String.valueOf(m_fBinSize));
return;
}
if (iNumBins != m_iNumBins || fBinSize != m_fBinSize) {
m_iNumBins = iNumBins;
m_fBinSize = fBinSize;
// Clear the dataset to force a reconstruction
m_oDataset = null;
m_oDataset = new ModelHistogramDataset();
m_bRecalcBinsOnUpdate = false;
updateChart(m_oManager.getLegend());
}
}
super.actionPerformed(oEvent);
} catch (sortie.data.simpletypes.ModelException oErr) {
ErrorGUI oHandler = new ErrorGUI(m_oChartFrame);
oHandler.writeErrorMessage(oErr);
}
}