1 | // License: GPL. For details, see LICENSE file.
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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 |
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6 | import javax.swing.DefaultListCellRenderer;
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7 | import javax.swing.ImageIcon;
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8 | import javax.swing.JLabel;
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9 | import javax.swing.JList;
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10 | import javax.swing.JTable;
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11 | import javax.swing.ListCellRenderer;
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12 | import javax.swing.table.DefaultTableCellRenderer;
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13 | import javax.swing.table.TableCellRenderer;
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14 |
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15 | import org.openstreetmap.josm.Main;
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16 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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17 | import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive;
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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
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27 | */
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28 | public class OsmPrimitivRenderer implements ListCellRenderer<OsmPrimitive>, TableCellRenderer {
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29 | private final DefaultNameFormatter formatter = DefaultNameFormatter.getInstance();
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30 |
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31 | /**
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32 | * Default list cell renderer - delegate for ListCellRenderer operation
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33 | */
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34 | private final DefaultListCellRenderer defaultListCellRenderer = new DefaultListCellRenderer();
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35 |
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36 | /**
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37 | * Default table cell renderer - delegate for TableCellRenderer operation
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38 | */
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39 | private final DefaultTableCellRenderer defaultTableCellRenderer = new DefaultTableCellRenderer();
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40 |
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41 | /**
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42 | * Adapter method supporting the ListCellRenderer interface.
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43 | */
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44 | @Override
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45 | public Component getListCellRendererComponent(JList<? extends OsmPrimitive> list, OsmPrimitive value, int index,
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46 | boolean isSelected, boolean cellHasFocus) {
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47 | Component def = defaultListCellRenderer.getListCellRendererComponent(list, null, index, isSelected, cellHasFocus);
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48 | return renderer(def, value, list.getModel().getSize() > 1000);
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49 | }
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50 |
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51 | /**
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52 | * Adapter method supporting the TableCellRenderer interface.
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53 | */
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54 | @Override
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55 | public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
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56 | Component def = defaultTableCellRenderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
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57 | if (value instanceof OsmPrimitive)
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58 | return renderer(def, (OsmPrimitive) value, table.getModel().getRowCount() > 1000);
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59 | else if (value instanceof HistoryOsmPrimitive)
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60 | return renderer(def, (HistoryOsmPrimitive) value);
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61 | else
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62 | return def;
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63 | }
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64 |
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65 | /**
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66 | * Internal method that stuffs information into the rendering component
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67 | * provided that it's a kind of JLabel.
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68 | * @param def the rendering component
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69 | * @param value the OsmPrimitive to render
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70 | * @param fast whether the icons should be loaded fast since many items are being displayed
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71 | * @return the modified rendering component
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72 | */
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73 | private Component renderer(Component def, OsmPrimitive value, boolean fast) {
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74 | if (value != null && def instanceof JLabel) {
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75 | ((JLabel) def).setText(getComponentText(value));
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76 | final ImageIcon icon = fast
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77 | ? ImageProvider.get(value.getType())
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78 | : ImageProvider.getPadded(value,
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79 | // Height of component no yet known, assume the default 16px.
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80 | ImageProvider.ImageSizes.SMALLICON.getImageDimension());
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81 | if (icon != null) {
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82 | ((JLabel) def).setIcon(icon);
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83 | } else {
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84 | Main.warn("Null icon for "+value.getDisplayType());
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85 | }
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86 | ((JLabel) def).setToolTipText(getComponentToolTipText(value));
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87 | }
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88 | return def;
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89 | }
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90 |
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91 | /**
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92 | * Internal method that stuffs information into the rendering component
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93 | * provided that it's a kind of JLabel.
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94 | * @param def the rendering component
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95 | * @param value the HistoryOsmPrimitive to render
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96 | * @return the modified rendering component
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97 | */
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98 | private Component renderer(Component def, HistoryOsmPrimitive value) {
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99 | if (value != null && def instanceof JLabel) {
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100 | ((JLabel) def).setText(value.getDisplayName(DefaultNameFormatter.getInstance()));
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101 | ((JLabel) def).setIcon(ImageProvider.get(value.getType()));
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102 | ((JLabel) def).setToolTipText(formatter.buildDefaultToolTip(value));
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103 | }
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104 | return def;
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105 | }
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106 |
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107 | /**
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108 | * Returns the text representing an OSM primitive in a component.
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109 | * Can be overridden to customize the text
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110 | * @param value OSM primitive
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111 | * @return text representing the OSM primitive
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112 | */
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113 | protected String getComponentText(OsmPrimitive value) {
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114 | return value.getDisplayName(DefaultNameFormatter.getInstance());
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115 | }
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116 |
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117 | /**
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118 | * Returns the text representing an OSM primitive in a tooltip.
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119 | * Can be overridden to customize the ToolTipText
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120 | * @param value OSM primitive
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121 | * @return text representing the OSM primitive
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122 | */
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123 | protected String getComponentToolTipText(OsmPrimitive value) {
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124 | return formatter.buildDefaultToolTip(value);
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125 | }
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126 | }
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