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package ThePEG;
import javax.swing.*;
import javax.swing.event.*;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
public class RefVector extends Interface
implements ActionListener, ListSelectionListener {
boolean nullable;
boolean defnull;
Vector current;
Vector values;
String pclass;
String dir;
int size;
JButton ok = new JButton("Ok");
JButton cancel = new JButton("Cancel");
JButton apply = new JButton("Apply");
JButton reset = new JButton("Reset");
JButton setnull = new JButton("Null");
JButton open = new JButton("Open");
JButton sel = new JButton("Select");
JButton insert = new JButton("Insert");
JButton erase = new JButton("Erase");
JList selector = new JList() {
public String getToolTipText(MouseEvent e) {
int i = locationToIndex(e.getPoint());
if ( i < 0 || i > current.size() - 2 ) return null;
RefRef r = (RefRef)current.get(i);
if ( r == null ) return null;
return r.getFullName();
}
};
public RefVector(SetupThePEG own, ObjectFrame obj, LinkedList input) {
super(own, obj, input);
if ( !setup(input) ) {
JOptionPane.showMessageDialog(own,
"Could not create Reference Vector view",
"Error", JOptionPane.ERROR_MESSAGE);
return;
}
getContentPane().setLayout(new BorderLayout());
getContentPane().add(getDescriptionArea(), BorderLayout.CENTER);
selector.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
selector.addListSelectionListener(this);
selector.addMouseListener(new MouseAdapter() {
public void mousePressed(MouseEvent e) {
int i = selector.locationToIndex(e.getPoint());
if ( i < 0 || i > current.size() - 2 ) return;
RefRef r = (RefRef)current.get(i);
if ( r == null ) return;
if ( e.getClickCount() >= 2) owner.openObject(r.getFullName());
}
});
getContentPane().add(new JScrollPane(selector), BorderLayout.NORTH);
JPanel buttons = new JPanel();
buttons.add(cancel);
if ( !isReadonly() ) buttons.add(reset);
if ( !isReadonly() && nullable ) buttons.add(setnull);
if ( !isReadonly() ) buttons.add(sel);
if ( !isReadonly() && size <= 0 ) buttons.add(insert);
if ( !isReadonly() && size <= 0 ) buttons.add(erase);
buttons.add(open);
if ( !isReadonly() ) buttons.add(apply);
buttons.add(ok);
cancel.addActionListener(this);
if ( !isReadonly() ) reset.addActionListener(this);
if ( !isReadonly() ) sel.addActionListener(this);
if ( !isReadonly() && size <= 0 ) insert.addActionListener(this);
if ( !isReadonly() && size <= 0 ) erase.addActionListener(this);
if ( !isReadonly() && nullable ) setnull.addActionListener(this);
open.addActionListener(this);
if ( !isReadonly() ) apply.addActionListener(this);
ok.addActionListener(this);
getContentPane().add(buttons, BorderLayout.SOUTH);
fixButtons();
setTitle("Reference Vector");
setupFrame(600,300);
}
protected boolean setup(LinkedList input) {
String s = (String)input.getFirst();
pclass = s.substring(2, s.length() - 1);
if ( !super.setup(input) ) return false;
s = (String)input.remove(0);
if ( s.equals("nullable") ) nullable = true;
else if ( s.equals("nevernull") ) nullable = false;
else return false;
s = (String)input.remove(0);
if ( s.equals("defnull") ) defnull = true;
else if ( s.equals("nodefnull") ) defnull = false;
else return false;
size = Integer.parseInt((String)input.remove(0));
int nref = Integer.parseInt((String)input.remove(0));
if ( current == null ) current = new Vector();
else current.clear();
if ( values == null ) values = new Vector();
else values.clear();
for ( int iref = 0; iref < nref; ++iref ) {
values.add(new RefRef(iref, (String)input.getFirst()));
current.add(new RefRef(iref, (String)input.remove(0)));
}
current.add(new RefRef(nref, " - end - ", "NULL"));
values.add(new RefRef(nref, " - end - ", "NULL"));
int sel = selector.getSelectedIndex();
selector.setListData(current);
if ( sel >= 0 && sel < current.size() ) selector.setSelectedIndex(sel);
return true;
}
protected void setValue() {
for ( int iref = 0; iref < current.size() - 1; ++iref ) {
String cmd = "set " + getObject() + ":" + getName() + "[" +
Long.toString(iref) + "] " + ((RefRef)current.get(iref)).getFullName();
exec(cmd);
}
reset();
}
protected void insert() {
if ( selector.getSelectedIndex() < 0 )
selector.setSelectedIndex(current.size() - 1);
String newname = "NULL";
ObjectSelector ch = new ObjectSelector(owner, dir, pclass, this);
if ( ch.selected() == null ) {
if ( !nullable )
newname = ((RefRef)selector.getSelectedValue()).getFullName();
} else {
newname = ch.selected().getFullName();
}
if ( newname != "NULL" || nullable )
insert(selector.getSelectedIndex(), newname);
}
protected void erase() {
if ( selector.getSelectedIndex() >= 0 ) erase(selector.getSelectedIndex());
}
public String selectedValue() {
RefRef sel = (RefRef)selector.getSelectedValue();
if ( sel == null ) return null;
return sel.getFullName();
}
public void fixButtons() {
dir = "";
String val = selectedValue();
if ( val != null && val.lastIndexOf("/") >= 0 )
dir = val.substring(0, val.lastIndexOf("/") + 1);
if ( dir.equals("") ) dir = object.substring(0,object.lastIndexOf("/") + 1);
if ( dir.equals("") ) dir = "/";
if ( isReadonly() ) return;
boolean changed = false;
for ( int iref = 0; iref < current.size(); ++iref )
if ( !(((RefRef)current.get(iref)).getFullName().
equals(((RefRef)current.get(iref)).getFullName())) )
changed = true;
apply.setEnabled(changed);
reset.setEnabled(changed);
sel.setEnabled(false);
open.setEnabled(false);
setnull.setEnabled(false);
erase.setEnabled(false);
insert.setEnabled(size <= 0 && !changed);
if ( selector.getSelectedIndex() >= 0 &&
selector.getSelectedIndex() < current.size() - 1 ) {
sel.setEnabled(true);
open.setEnabled(selectedValue() != null && selectedValue() != "NULL");
setnull.setEnabled(nullable);
erase.setEnabled(size <= 0 && !changed);
}
}
public void actionPerformed(ActionEvent e) {
if ( e.getSource() == cancel ) {
dispose();
}
else if ( e.getSource() == ok ) {
if ( !isReadonly() ) setValue();
dispose();
}
else if ( e.getSource() == apply ) {
setValue();
}
else if ( e.getSource() == setnull ) {
((RefRef)selector.getSelectedValue()).set("NULL", "NULL");
}
else if ( e.getSource() == sel ) {
ObjectSelector ch = new ObjectSelector(owner, dir, pclass, this);
if ( ch.selected() != null )
((RefRef)selector.getSelectedValue()).set(ch.selected().getFullName());
}
else if ( e.getSource() == open ) {
owner.openObject(((RefRef)selector.getSelectedValue()).getFullName());
}
else if ( e.getSource() == reset ) {
reset();
}
else if ( e.getSource() == insert ) {
insert();
}
else if ( e.getSource() == erase ) {
erase();
}
fixButtons();
}
public void valueChanged(ListSelectionEvent e) {
fixButtons();
}
}
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