/**
* 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)));
}
/**
* Extracts information needed by the data request from the controls panel displayed to the user.
*
* @param oInfo Object which contains the chart information.
*/
public void extractBatchSetupInfo(ChartInfo oInfo) throws ModelException {
super.extractBatchSetupInfo(oInfo);
int iNumBins = 0;
float fSizeBins = 0;
try {
JTextField jField =
(JTextField) DataGrapher.findNamedComponent(oInfo.m_jExtraOptions, NUMBER_BINS_NAME);
Integer oNumBins = new Integer(jField.getText());
jField = (JTextField) DataGrapher.findNamedComponent(oInfo.m_jExtraOptions, BIN_SIZE_NAME);
Float oBinSize = new Float(jField.getText());
iNumBins = oNumBins.intValue();
fSizeBins = oBinSize.floatValue();
} catch (java.lang.NumberFormatException oErr) {
throw (new ModelException(
ErrorGUI.BAD_DATA,
"Histogram Request",
"The value for number " + "of bins or bin size is not a recognized number."));
}
if (iNumBins <= 0 || fSizeBins < 0) {
throw (new ModelException(
ErrorGUI.BAD_DATA,
"Stand Table Request",
"The values for number"
+ " of size classes or size class size must be greater than zero."));
}
m_iNumBins = iNumBins;
m_fBinSize = fSizeBins;
if (m_fBinSize == 0) {
m_bRecalcBinsOnUpdate = true;
} else {
m_bRecalcBinsOnUpdate = false;
}
}
/**
* 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);
}
}