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1
10
11 package org.enhydra.jawe.xml.panels;
12
13 import org.enhydra.jawe.xml.*;
14
15 import java.util.*;
16 import javax.swing.*;
17 import java.awt.*;
18 import java.awt.event.*;
19
20
23 public class XMLComboPanel extends XMLPanel {
24
25 private Dimension comboBoxDimension=new Dimension(200,20);
26
27 public XMLComboPanel (XMLChoice myOwner) {
28 this(myOwner,XMLPanel.BOX_LAYOUT);
29 }
30
31 public XMLComboPanel (XMLElement myOwner,Object  [] choices) {
32 this(myOwner,choices,XMLPanel.BOX_LAYOUT,false,false);
33 }
34
35 public XMLComboPanel (XMLChoice myOwner,int layout) {
36 this(myOwner,layout,false);
37 }
38
39 public XMLComboPanel (XMLChoice myOwner,int layout,boolean isVertical) {
40 this(myOwner,null,layout,isVertical,false);
41 }
42
43 public XMLComboPanel (XMLElement myOwner,Object [] choices,
44 int layout,boolean isVertical,boolean isEditable) {
45
46 super(myOwner,2,"",layout,isVertical,false);
47
48 JLabel jl=new JLabel(myOwner.toLabel()+": ");
49 jl.setAlignmentX(Component.LEFT_ALIGNMENT);
50 jl.setAlignmentY(Component.BOTTOM_ALIGNMENT);
51 jl.setHorizontalAlignment(SwingConstants.RIGHT);
52 final JComboBox jcb;
54 Dimension toSet;
55 if ((myOwner instanceof XMLChoice) && ((XMLChoice)myOwner).getChoices()!=null) {
56 Object [] chs=((XMLChoice)myOwner).getChoices();
57 jcb=new JComboBox(XMLComboPanel.sortComboEntries(chs));
59
61 jcb.setEditable(isEditable);
62 jcb.setSelectedItem(((XMLChoice)myOwner).getChoosen());
63 toSet=getComboDimension(chs);
64 } else {
65 jcb=new JComboBox(XMLComboPanel.sortComboEntries(choices));
67
68 jcb.setEditable(isEditable);
69 jcb.setSelectedItem(myOwner.toValue());
70 toSet=getComboDimension(choices);
71 }
72
73 jcb.setAlignmentX(Component.LEFT_ALIGNMENT);
74 jcb.setAlignmentY(Component.BOTTOM_ALIGNMENT);
75 jcb.setMinimumSize(new Dimension(toSet));
76 jcb.setMaximumSize(new Dimension(toSet));
77 jcb.setPreferredSize(new Dimension(toSet));
78
79 jcb.setEnabled(!myOwner.isReadOnly());
80
81 add(Box.createHorizontalGlue());
82 add(jl);
83 add(jcb);
84
85 }
86
87 public boolean checkRequired () {
88 if ((getSelectedItem()==null || getSelectedItem().toString().trim().equals("")) &&
89 getOwner().isRequired() && !getOwner().isReadOnly()) {
90
91 XMLPanel.defaultErrorMessage(this.getDialog(),((JLabel)getComponent(1)).getText());
92 ((JComboBox)getComponent(2)).requestFocus();
93 return false;
94 }
95 return true;
96 }
97
98 public void setElements () {
99 getOwner().setValue(getSelectedItem());
100 }
101
102 public JComboBox getComboBox () {
103 return (JComboBox)getComponent(2);
104 }
105
106 public Object getSelectedItem() {
107 return getComboBox().getSelectedItem();
108 }
109
110 public Dimension getComboDimension (Object [] choices) {
111 Dimension d=new Dimension(comboBoxDimension);
112 double w=0;
113 if (choices!=null) {
114 double longest=0;
115 for (int i=0;i<choices.length; i++) {
116 String n=choices[i].toString();
117 try {
118 w=getFontMetrics(getFont()).stringWidth(choices[i].toString());
119 if (w>longest) longest=w;
120 } catch(Exception ex) {}
121 }
122
123 w=longest+25;
124 }
125 if (w<comboBoxDimension.width) w=comboBoxDimension.width;
126 return new Dimension((int)w,comboBoxDimension.height);
127
128 }
129
130 public static Vector sortComboEntries (Object [] ces) {
131 java.util.List l=new ArrayList();
133 if (ces!=null) {
134 for (int i=0; i<ces.length; i++){
135 l.add(ces[i]);
136 }
137 }
138
139 Collections.sort(l,new ComboEntryComparator());
140 return new Vector(l);
141 }
142
143 private static class ComboEntryComparator implements Comparator {
144 public int compare(Object o1, Object o2) {
145 String p1=o1.toString();
146 String p2=o2.toString();
147
148 return p1.compareTo(p2);
149 }
150 }
151 }
152
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