blob: ad12b7ce07a091d01f9d7bbd97780688fea67ec4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
package de.lmu.ifi.dbs.elki.gui.configurator;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2011
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import java.awt.GridBagConstraints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JComboBox;
import javax.swing.JComponent;
import de.lmu.ifi.dbs.elki.gui.util.DynamicParameters;
import de.lmu.ifi.dbs.elki.logging.LoggingUtil;
import de.lmu.ifi.dbs.elki.utilities.optionhandling.parameters.EnumParameter;
/**
* Panel to configure EnumParameters by offering a dropdown to choose from.
*
* TODO: offer radio buttons when just a few choices are available?
*
* @author Erich Schubert
*
* @apiviz.uses EnumParameter
*/
public class EnumParameterConfigurator extends AbstractSingleParameterConfigurator<EnumParameter<?>> implements ActionListener {
final JComboBox value;
public EnumParameterConfigurator(EnumParameter<?> cp, JComponent parent) {
super(cp, parent);
// Input field
{
GridBagConstraints constraints = new GridBagConstraints();
constraints.fill = GridBagConstraints.HORIZONTAL;
constraints.weightx = 1.0;
value = new JComboBox();
value.setToolTipText(param.getShortDescription());
value.setPrototypeDisplayValue(cp.getPossibleValues().iterator().next());
parent.add(value, constraints);
finishGridRow();
}
if(!param.tookDefaultValue() && param.isDefined() && param.getGivenValue() != null) {
value.addItem(param.getValueAsString());
value.setSelectedIndex(0);
}
// For parameters with a default value, offer using the default
// For optional parameters, offer not specifying them.
if(cp.hasDefaultValue()) {
value.addItem(DynamicParameters.STRING_USE_DEFAULT + " " + cp.getDefaultValueAsString());
}
else if(cp.isOptional()) {
value.addItem(DynamicParameters.STRING_OPTIONAL);
}
// Offer the shorthand version of class names.
for(String s : cp.getPossibleValues()) {
value.addItem(s);
}
value.addActionListener(this);
}
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource() == value) {
fireValueChanged();
}
else {
LoggingUtil.warning("actionPerformed triggered by unknown source: " + e.getSource());
}
}
@Override
public String getUserInput() {
String val = (String) value.getSelectedItem();
if(val.startsWith(DynamicParameters.STRING_USE_DEFAULT)) {
return null;
}
if(val == DynamicParameters.STRING_OPTIONAL) {
return null;
}
return val;
}
}
|
