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21 package net.mlw.vlh.swing.support;
22
23 import java.awt.GridBagConstraints  ;
24 import java.awt.GridBagLayout ;
25 import java.awt.Insets ;
26 import java.awt.event.ActionListener ;
27 import java.text.MessageFormat ;
28 import java.util.ResourceBundle ;
29
30 import javax.swing.JButton ;
31 import javax.swing.JLabel ;
32 import javax.swing.JPanel ;
33 import javax.swing.SwingConstants ;
34
35 import net.mlw.vlh.PagingInfo;
36 import net.mlw.vlh.swing.PagingComponent;
37 import net.mlw.vlh.swing.ValueListHelper;
38
39
43 public class DefaultPagingPanel extends JPanel implements PagingComponent
44 {
45 private ActionListener actionListener;
46
47 private PagingInfo pagingInfo = null;
48
49 private JLabel description = new JLabel ();
50
51 private ResourceBundle resourceBundle;
52
53 private JButton first;
54
55 private JButton previous;
56
57 private JButton next;
58
59 private JButton last;
60
61 private String pagingLabel = null;
62
63 public DefaultPagingPanel()
64 {
65 first = new JButton (new ArrowIcon(SwingConstants.LEFT, 2));
66 first.setActionCommand(ValueListHelper.ACTION_COMMAND_FIRST);
67 first.setEnabled(false);
68
69 previous = new JButton (new ArrowIcon(SwingConstants.LEFT));
70 previous.setActionCommand(ValueListHelper.ACTION_COMMAND_PREVIOUS);
71 previous.setEnabled(false);
72
73 next = new JButton (new ArrowIcon(SwingConstants.RIGHT));
74 next.setActionCommand(ValueListHelper.ACTION_COMMAND_NEXT);
75 next.setEnabled(false);
76
77 last = new JButton (new ArrowIcon(SwingConstants.RIGHT, 2));
78 last.setActionCommand(ValueListHelper.ACTION_COMMAND_LAST);
79 last.setEnabled(false);
80
81 init();
82 }
83
84 protected void init()
85 {
86 setLayout(new GridBagLayout ());
87 GridBagConstraints gbc = new java.awt.GridBagConstraints ();
88 gbc.insets = new Insets (1, 1, 1, 1);
89
90 gbc.gridx = 0;
91 gbc.weightx = 0.2;
92 gbc.anchor = GridBagConstraints.WEST;
93 add(description, gbc);
94
95 gbc.gridx = 1;
96 gbc.weightx = 0.1;
97 gbc.anchor = GridBagConstraints.CENTER;
98 add(first);
99
100 gbc.gridx = 2;
101 add(previous);
102
103 gbc.gridx = 3;
104 add(next);
105
106 gbc.gridx = 4;
107 add(last);
108 }
109
110 public void setPagingInfo(PagingInfo pagingInfo)
111 {
112 this.pagingInfo = pagingInfo;
113 int numberOfPages = pagingInfo.getTotalNumberOfEntries() / pagingInfo.getPagingNumberPer() + 1;
114
115 Object [] messageParameters = new Object []
116 { new Integer (pagingInfo.getPagingPage()), new Integer (pagingInfo.getTotalNumberOfPages()), new Integer (pagingInfo
117 .getTotalNumberOfEntries()) };
118
119 if (pagingLabel == null)
120 {
121 description.setText(MessageFormat.format(resourceBundle.getString("paging.text.pageFromTotal"), messageParameters));
122 }
123 else
124 {
125 description.setText(MessageFormat.format(pagingLabel, messageParameters));
126 }
127
128 first.setEnabled(pagingInfo.getPagingPage() > 1);
129 previous.setEnabled(pagingInfo.getPagingPage() > 1);
130 next.setEnabled(pagingInfo.getPagingPage() < pagingInfo.getTotalNumberOfPages());
131 last.setEnabled(pagingInfo.getPagingPage() < pagingInfo.getTotalNumberOfPages());
132 }
133
134
138 public void addActionListener(ActionListener actionListener)
139 {
140 first.addActionListener(actionListener);
141 previous.addActionListener(actionListener);
142 next.addActionListener(actionListener);
143 last.addActionListener(actionListener);
144 }
145
146
150 public ResourceBundle getResourceBundle()
151 {
152 if (resourceBundle == null)
153 {
154 resourceBundle = ResourceBundle.getBundle("swingLook");
155 }
156 return resourceBundle;
157 }
158
159
163 public void setResourceBundle(ResourceBundle resourceBundle)
164 {
165 this.resourceBundle = resourceBundle;
166 }
167
168 public void setPagingLabel(String pagingLabel)
169 {
170 this.pagingLabel = pagingLabel;
171 }
172 } |
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