public void valueChanged(TreeSelectionEvent e) {
JTree tree = FunctionFactorySherpaHelper.GetJTree();
DefaultMutableTreeNode node = (DefaultMutableTreeNode) tree.getLastSelectedPathComponent();
if (node == null) {
return;
}
Object node_object = node.getUserObject();
if (node.isLeaf()) {
try {
// analytic Sherpa functions.
Function rf = (Function) node_object;
try {
if (rf instanceof Polynomial) {
rf = new Polynomial(1);
} else {
rf = (Function) rf.clone();
}
} catch (CloneNotSupportedException ex) {
rf = null;
}
FunctionFactorySherpaHelper.SetFunction(rf);
} catch (ClassCastException e1) {
// templates, tables and user files
try {
DefaultCustomModel model = (DefaultCustomModel) node_object;
String functionName = model.getFunctionName();
SherpaFunction function = new SherpaFunction();
URL url = model.getUrl();
String path = url.getPath();
function.addPath(path);
String name = model.getName();
if (path.contains("/tables/")) {
name = "tablemodel";
}
if (path.contains("/functions/")) {
name = "usermodel";
}
if (path.contains("/templates/")) {
name = "templatemodel";
}
function.setUserID(name);
function.setName(name);
function.setFunctionName(functionName);
// Converting a DefaultCustomModel to a SherpaFunction might
// require more than this. We'll see as we go further down
// the road...
// First, we need to break up the comma-separated string
// parameters into something that can actually be used to
// build instances of Function.
String[] parNames = model.getParnames().split("\\,");
String[] parVals = model.getParvals().split("\\,");
String[] parMins = model.getParmins().split("\\,");
String[] parMaxs = model.getParmaxs().split("\\,");
String[] parFrozen = model.getParfrozen().split("\\,");
int npars = parNames.length;
if (npars != parVals.length
|| npars != parMins.length
|| npars != parMaxs.length
|| npars != parFrozen.length) {
ExceptionHandler.handleException(
new Exception("Parameter lists wih different lengths."));
tree.clearSelection();
FunctionFactorySherpaHelper.dispose();
return;
}
// now we loop over the parameter lists, building
// each parameter in turn and adding it to the Function.
for (int i = 0; i < npars; i++) {
SherpaFParameter functionParameter = null;
try {
double value = Double.valueOf(parVals[i]);
double min = Double.valueOf(parMins[i]);
double max = Double.valueOf(parMaxs[i]);
functionParameter =
new SherpaFParameter(parNames[i], value, min, max, new NonSupportedUnits(""));
String frozen = parFrozen[i];
if (frozen != null) {
boolean fixed = (frozen.equalsIgnoreCase("True")) ? true : false;
functionParameter.setFixed(fixed);
}
} catch (NumberFormatException ex) {
ExceptionHandler.handleException(ex);
tree.clearSelection();
FunctionFactorySherpaHelper.dispose();
return;
} catch (ArrayIndexOutOfBoundsException ex) {
ExceptionHandler.handleException(ex);
tree.clearSelection();
FunctionFactorySherpaHelper.dispose();
return;
}
function.addParameter(functionParameter);
}
FunctionFactorySherpaHelper.SetFunction(function);
} catch (ClassCastException e2) {
}
}
tree.clearSelection();
FunctionFactorySherpaHelper.dispose();
}
}
