private void addRecentUse(String item, boolean front, boolean store) {
int i, n;
for (i = 0, n = this.getItemCount() - 2; i < n && !this.getItem(i).getText().equals(item); i++)
;
if (i == n) {
while (n >= _provider.getMaxCount()) {
if (front) {
this.remove(n - 1);
} else {
this.remove(0);
}
n -= 1;
}
JMenuItem mitem = new JMenuItem(item);
mitem.setActionCommand("recent:" + item);
mitem.addActionListener(_listener);
if (front) {
this.insert(mitem, 0);
} else {
this.insert(mitem, this.getItemCount() - 2);
}
} else {
JMenuItem mitem = this.getItem(i);
this.remove(i);
if (front) {
this.insert(mitem, 0);
} else {
this.insert(mitem, this.getItemCount() - 2);
}
}
if (store) {
storeList();
}
}
private void storeList() {
Vector<String> v = new Vector<String>();
int i, n;
for (i = 0, n = this.getItemCount() - 2; i < n; i++) {
v.add(this.getItem(i).getText());
}
_provider.putList(v);
}
public JRecentlyUsedMenu(String label, RecentlyUsedProvider provider, ActionListener l) {
super();
int index = label.indexOf("_");
KeyStroke ks = null;
if (index >= 0) {
String c = label.substring(index + 1, index + 2);
ks = KeyStroke.getKeyStroke(c);
label = label.replaceFirst("[_]", "");
}
super.setText(label);
if (ks != null) {
super.setMnemonic(ks.getKeyCode());
}
_provider = provider;
_listener = l;
this.add(new JSeparator());
String txt = _provider.clearListText();
if (txt == null) {
txt = "Clear recently used list";
}
JMenuItem m = new JMenuItem(txt);
m.setActionCommand("clear-recently-used");
m.addActionListener(this);
this.add(m);
Vector<String> items = provider.getList();
Iterator<String> it = items.iterator();
int n;
n = provider.getMaxCount();
while (it.hasNext() && (getItemCount() - 2) < n) {
String item = it.next();
if (item != null) {
item = item.trim();
if (!item.equals("")) {
addRecentUse(item, false, false);
}
}
}
}