CaRMtl/rene/gui/HistoryTextFieldChoice.java
2018-09-04 22:51:42 -04:00

88 lines
2.0 KiB
Java

/*
Copyright 2006 Rene Grothmann, modified by Eric Hakenholz
This file is part of C.a.R. software.
C.a.R. is a free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, version 3 of the License.
C.a.R. is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package rene.gui;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import rene.util.FileName;
import rene.util.MyVector;
import rene.util.list.ListClass;
import rene.util.list.ListElement;
public class HistoryTextFieldChoice extends MyChoice implements ItemListener {
/**
*
*/
private static final long serialVersionUID = 1L;
HistoryTextField T;
DoActionListener AL;
MyVector V = new MyVector();
public int MaxLength = 32;
public HistoryTextFieldChoice(final HistoryTextField t) {
T = t;
addItemListener(this);
}
public void setDoActionListener(final DoActionListener al) {
AL = al;
}
public void itemStateChanged(final ItemEvent e) {
final int n = getSelectedIndex();
final String s = (String) V.elementAt(n);
if (s.equals(" "))
return;
if (AL != null)
AL.doAction(s);
else
T.doAction(s);
}
public void update() {
removeAll();
V.removeAllElements();
final ListClass l = T.getHistory();
ListElement e = l.last();
if (e == null || ((String) e.content()).equals("")) {
V.addElement(" ");
add(" ");
}
while (e != null) {
final String s = (String) e.content();
if (!s.equals("")) {
V.addElement(s);
add(FileName.chop(s, MaxLength));
}
e = e.previous();
}
}
public String getRecent() {
if (V.size() > 1)
return (String) V.elementAt(1);
else
return "";
}
}