protected Edge project(Edge edge) {
tempEdge.start = edge.start;
tempEdge.end = edge.end;
tempEdge.state = gp.project(edge.state);
tempEdge.head = edge.head;
tempEdge.tag = edge.tag;
return tempEdge;
}
public void setEdge(Edge edge_in, Graph graph_in) {
graph_ = graph_in;
edge_ = edge_in;
// if(edge_ == null)
// edge_ = Edge.defaults;
String title;
// if(edge_ == Edge.defaults)
// title = "Properties For Newly Created Edges";
// else
title = "Edge " + edge_.tail().id_ + " " + edge_.head().id_;
setTitle(title);
style_.select(edge_.getLineStyle());
// if(edge_ != Edge.defaults)
// {
labelText_.setText(edge_.getLabel());
String points_string = new String();
DPoint3[] points = edge_.points();
for (int i = 0; i < points.length; i++)
points_string += points[i].x + " " + points[i].y + " " + points[i].z + "\n";
pointsText_.setText(points_string);
// Can't remove items from a Choice in Java 1.0.
dataPanel_.remove(data_);
data_ = new Choice();
dataPanel_.add(data_);
dataHash_ = (Hashtable) edge_.data_.clone();
data_.addItem("<NEW>");
for (Enumeration keys = dataHash_.keys(); keys.hasMoreElements(); ) {
String key = (String) keys.nextElement();
data_.addItem(key);
}
if (data_.countItems() == 1) // Need at least one item.
data_.addItem("Data");
data_.select(1);
currentData_ = data_.getItem(1);
String value = (String) dataHash_.get(currentData_);
if (value == null) value = new String("");
dataText_.setText(value);
for (int i = 0; i < ndCount_; i++) notDefault_[i].show();
// }
// else
// for(int i = 0; i < ndCount_; i++)
// notDefault_[i].hide();
pack();
}
private boolean setValues_() {
// if(edge_ != Edge.defaults)
// {
String points_string = pointsText_.getText();
// Scan the points string.
StringTokenizer tokenizer = new StringTokenizer(points_string, " \t\n\r,", false);
int num_tokens = tokenizer.countTokens();
a:
if ((num_tokens % 3) != 0)
new MessageDialog(frame_, "Error", "Expecting " + "sets of three numbers for points", true);
else {
int count = num_tokens / 3;
DPoint3[] points = new DPoint3[count];
for (int i = 0; i < count; i++) points[i] = new DPoint3();
String token;
int index = 0;
double val;
while (tokenizer.hasMoreTokens()) {
for (int element = 0; element < 3; element++) {
token = tokenizer.nextToken();
try {
val = new Double(token).doubleValue();
} catch (Exception e) {
char el = 'X';
if (element == 1) el = 'Y';
if (element == 2) el = 'Z';
new MessageDialog(
frame_,
"Error",
"Element " + el + " of point " + index + " is not" + " a number.",
true);
break a;
}
if (element == 0) points[index].x = val;
else if (element == 1) points[index].y = val;
else points[index].z = val;
}
index++;
}
dataHash_.put(currentData_, dataText_.getText());
for (Enumeration keys = dataHash_.keys(); keys.hasMoreElements(); ) {
String key = (String) keys.nextElement();
String value = (String) dataHash_.get(key);
if (value != null && value.length() != 0) edge_.data_.put(key, value);
}
// Replace the old edge.
Edge edge = new Edge(edge_.tail(), edge_.head(), points, false);
graph_.insertEdge(edge);
edge.setLabel(labelText_.getText());
edge.setLineStyle(style_.getSelectedIndex());
edge.data_ = edge_.data_;
return true;
}
// }
return false;
}