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1 package rero.dck.items;
2
3 import java.awt.*;
4 import java.awt.event.*;
5
6 import javax.swing.*;
7 import javax.swing.event.*;
8
9 import java.util.*;
10
11 import rero.config.*;
12 import rero.dck.*;
13
14 public class CheckboxInput extends SuperInput implements ChangeListener
15 {
16 protected LinkedList enabledTrue = new LinkedList();
17 protected LinkedList enabledFalse = new LinkedList();
18 protected JCheckBox box;
19
20 protected boolean defaultVal;
21
22 public CheckboxInput(String  var, boolean defaultVar, String _label, char mnemonic)
23 {
24 this(var, defaultVar, _label, mnemonic, FlowLayout.LEFT);
25 }
26
27 public CheckboxInput(String var, boolean defaultVar, String _label, char mnemonic, int alignment)
28 {
29 setLayout(new FlowLayout(alignment, 0, 0));
30
31 box = new JCheckBox(_label);
32 box.addChangeListener(this);
33
34 add(box);
35 box.setMnemonic(mnemonic);
36
37 setPreferredSize(box.getPreferredSize());
38
39 variable = var;
40 defaultVal = defaultVar;
41 }
42
43 public void stateChanged(ChangeEvent ev)
44 {
45 handleDependents();
46 notifyParent();
47 }
48
49 public void addDependent(DItem item)
50 {
51 enabledTrue.add(item);
52 }
53
54 public void addAntiDependent(DItem item)
55 {
56 enabledFalse.add(item);
57 }
58
59 public void save()
60 {
61
63 ClientState.getClientState().setOption(getVariable(), box.isSelected());
64 }
65
66 public int getEstimatedWidth()
67 {
68 return 0;
69 }
70
71 public void setAlignWidth(int width)
72 {
73 }
74
75 public JComponent getComponent()
76 {
77 return this;
78 }
79
80 public void refresh()
81 {
82
84 box.setSelected(ClientState.getClientState().isOption(getVariable(), defaultVal));
85 handleDependents();
86 }
87
88 public void handleDependents()
89 {
90 Iterator i = enabledTrue.iterator();
91 while (i.hasNext())
92 {
93 DItem temp = (DItem)i.next();
94 temp.setEnabled(box.isSelected());
95 }
96
97 i = enabledFalse.iterator();
98 while (i.hasNext())
99 {
100 DItem temp = (DItem)i.next();
101 temp.setEnabled(!box.isSelected());
102 }
103 }
104
105 public JCheckBox getCheckBox()
106 {
107 return box;
108 }
109 }
110
111
112 |
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