/* JModelMenu.java JComboBox specialized for tensegrity viewers
History:
06 Jun 2008 Created from ModelMenu.java substituting JComboBox for Choice.
*/
import javax.swing.*;
import java.io.*;
import java.util.HashMap;
/**
JComboBox specialized for tensegrity viewers. Menu options initialized
by data from an InputStream.
@author Bob Burkhardt
*/
public class JModelMenu extends JComboBox {
/**
Key is label from menu. Data is unqualified name of file containing
model data.
*/
HashMap m_filenames = new HashMap();
/**
Create a menu from a stream of double quoted labels and filenames;
format is label - filename - label - filename etc.
@param is InputStream containing embedded double quoted
labels and filenames.
@throws java.io.IOException
*/
public JModelMenu(InputStream is) throws IOException {
super();
Reader r = new BufferedReader(new InputStreamReader(is));
StreamTokenizer st = new StreamTokenizer(r);
st.commentChar('#');
while (st.nextToken() != StreamTokenizer.TT_EOF) {
// label
if (st.ttype != '"') continue;
String label = st.sval;
// filename
while (st.nextToken() != '"' &&
st.ttype != StreamTokenizer.TT_EOF) continue;
if (st.ttype == StreamTokenizer.TT_EOF) break;
m_filenames.put(label, st.sval);
addItem(label);
}
}
/**
Give the filename String corresponding to the currently chosen
menu item
@return The filename corresponding to the currently selected item.
*/
public String getSelectedFilename() {
return (String)m_filenames.get(getSelectedItem());
}
}