source: josm/trunk/src/org/openstreetmap/josm/gui/OsmPrimitivRenderer.java@ 2646

Last change on this file since 2646 was 2512, checked in by stoecker, 14 years ago

i18n updated, fixed files to reduce problems when applying patches, fix #4017

  • Property svn:eol-style set to native
File size: 4.2 KB
Line 
1// License: GPL. Copyright 2007 by Immanuel Scholz and others
2package org.openstreetmap.josm.gui;
3
4import java.awt.Component;
5import java.util.ArrayList;
6import java.util.Collections;
7
8import javax.swing.DefaultListCellRenderer;
9import javax.swing.JLabel;
10import javax.swing.JList;
11import javax.swing.JTable;
12import javax.swing.ListCellRenderer;
13import javax.swing.table.DefaultTableCellRenderer;
14import javax.swing.table.TableCellRenderer;
15
16import org.openstreetmap.josm.data.osm.OsmPrimitive;
17import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
18import org.openstreetmap.josm.tools.ImageProvider;
19
20/**
21 * Renderer that renders the objects from an OsmPrimitive as data.
22 *
23 * Can be used in lists and tables.
24 *
25 * @author imi
26 * @author Frederik Ramm <frederik@remote.org>
27 */
28public class OsmPrimitivRenderer implements ListCellRenderer, TableCellRenderer {
29 /**
30 * Default list cell renderer - delegate for ListCellRenderer operation
31 */
32 private DefaultListCellRenderer defaultListCellRenderer = new DefaultListCellRenderer();
33
34 /**
35 * Default table cell renderer - delegate for TableCellRenderer operation
36 */
37 private DefaultTableCellRenderer defaultTableCellRenderer = new DefaultTableCellRenderer();
38
39 /**
40 * Adapter method supporting the ListCellRenderer interface.
41 */
42 public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
43 Component def = defaultListCellRenderer.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
44 return renderer(def, (OsmPrimitive) value);
45 }
46
47 /**
48 * Adapter method supporting the TableCellRenderer interface.
49 */
50 public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
51 Component def = defaultTableCellRenderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
52 return renderer(def, (OsmPrimitive) value);
53 }
54
55 /**
56 * Internal method that stuffs information into the rendering component
57 * provided that it's a kind of JLabel.
58 * @param def the rendering component
59 * @param value the OsmPrimtive to render
60 * @return the modified rendering component
61 */
62 private Component renderer(Component def, OsmPrimitive value) {
63 if (def != null && value != null && def instanceof JLabel) {
64 ((JLabel)def).setText(value.getDisplayName(DefaultNameFormatter.getInstance()));
65 ((JLabel)def).setIcon(ImageProvider.get(OsmPrimitiveType.from(value)));
66 ((JLabel)def).setToolTipText(buildToolTipText(value));
67 }
68 return def;
69 }
70
71 /**
72 * build the tool tip text for an {@see OsmPrimitive}. It consist of the formatted
73 * key/value pairs for this primitive.
74 *
75 * @param primitive
76 * @return the tool tip text
77 */
78 public String buildToolTipText(OsmPrimitive primitive) {
79 StringBuilder sb = new StringBuilder();
80
81 sb.append("<html>");
82 // show the id
83 //
84 sb.append("<strong>id</strong>=")
85 .append(primitive.getId())
86 .append("<br>");
87
88 // show the key/value-pairs, sorted by key
89 //
90 ArrayList<String> keyList = new ArrayList<String>(primitive.keySet());
91 Collections.sort(keyList);
92 for (int i = 0; i < keyList.size(); i++) {
93 if (i > 0) {
94 sb.append("<br>");
95 }
96 String key = keyList.get(i);
97 sb.append("<strong>")
98 .append(key)
99 .append("</strong>")
100 .append("=");
101 // make sure long values are split into several rows. Otherwise
102 // the tool tip window can become to wide
103 //
104 String value = primitive.get(key);
105 while(value.length() != 0) {
106 sb.append(value.substring(0,Math.min(50, value.length())));
107 if (value.length() > 50) {
108 sb.append("<br>");
109 value = value.substring(50);
110 } else {
111 value = "";
112 }
113 }
114 }
115 sb.append("</html>");
116 return sb.toString();
117 }
118}
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