protected JComponent getHistogramTabComponent() {
List choices = new ArrayList();
if (datachoice == null) {
datachoice = getDataChoice();
}
choices.add(datachoice);
histoWrapper = new McIDASVHistogramWrapper("histo", choices, (DisplayControlImpl) this);
dataSource = getDataSource();
if (dataSource == null) {
try {
image = (FlatField) ((ComboDataChoice) datachoice).getData();
histoWrapper.loadData(image);
} catch (Exception e) {
}
} else {
Hashtable props = dataSource.getProperties();
try {
DataSelection testSelection = datachoice.getDataSelection();
DataSelection realSelection = getDataSelection();
if (testSelection == null) {
datachoice.setDataSelection(realSelection);
}
ImageSequenceImpl seq = null;
if (dataSelection == null) dataSelection = dataSource.getDataSelection();
if (dataSelection == null) {
image = (FlatField) dataSource.getData(datachoice, null, props);
if (image == null) {
image = (FlatField) datachoice.getData(null);
}
} else {
Data data = dataSource.getData(datachoice, null, dataSelection, props);
if (data instanceof ImageSequenceImpl) {
seq = (ImageSequenceImpl) data;
} else if (data instanceof FlatField) {
image = (FlatField) data;
} else if (data instanceof FieldImpl) {
image = (FlatField) ((FieldImpl) data).getSample(0, false);
} else {
throw new Exception("Histogram must be made from a FlatField");
}
}
if (seq != null) {
if (seq.getImageCount() > 0) image = (FlatField) seq.getImage(0);
}
histoWrapper.loadData(image);
} catch (Exception e) {
logger.error("attempting to set up histogram", e);
}
}
JComponent histoComp = histoWrapper.doMakeContents();
JButton resetButton = new JButton("Reset");
resetButton.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent ae) {
resetColorTable();
}
});
JPanel resetPanel = GuiUtils.center(GuiUtils.inset(GuiUtils.wrap(resetButton), 4));
return GuiUtils.centerBottom(histoComp, resetPanel);
}
