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