1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.tagging;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import java.awt.Component;
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7 | import java.awt.Font;
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8 |
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9 | import javax.swing.JLabel;
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10 | import javax.swing.JTable;
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11 | import javax.swing.UIManager;
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12 | import javax.swing.border.EmptyBorder;
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13 | import javax.swing.table.TableCellRenderer;
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14 |
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15 | import org.openstreetmap.josm.tools.JosmRuntimeException;
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16 |
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17 | /**
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18 | * This is the table cell renderer for cells for the table of tags
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19 | * in the tag editor dialog.
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20 | *
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21 | *
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22 | */
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23 | public class TagCellRenderer extends JLabel implements TableCellRenderer {
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24 | private final Font fontStandard;
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25 | private final Font fontItalic;
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26 |
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27 | /**
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28 | * Constructs a new {@code TagCellRenderer}.
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29 | */
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30 | public TagCellRenderer() {
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31 | fontStandard = UIManager.getFont("Table.font");
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32 | fontItalic = fontStandard.deriveFont(Font.ITALIC);
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33 | setOpaque(true);
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34 | setBorder(new EmptyBorder(5, 5, 5, 5));
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35 | }
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36 |
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37 | /**
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38 | * renders the name of a tag in the second column of
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39 | * the table
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40 | *
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41 | * @param tag the tag
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42 | */
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43 | protected void renderTagName(TagModel tag) {
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44 | setText(tag.getName());
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45 | }
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46 |
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47 | /**
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48 | * renders the value of a a tag in the third column of
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49 | * the table
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50 | *
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51 | * @param tag the tag
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52 | */
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53 | protected void renderTagValue(TagModel tag) {
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54 | if (tag.getValueCount() == 0) {
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55 | setText("");
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56 | } else if (tag.getValueCount() == 1) {
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57 | setText(tag.getValues().get(0));
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58 | } else if (tag.getValueCount() > 1) {
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59 | setText(tr("multiple"));
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60 | setFont(fontItalic);
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61 | }
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62 | }
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63 |
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64 | /**
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65 | * resets the renderer
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66 | */
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67 | protected void resetRenderer() {
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68 | setText("");
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69 | setIcon(null);
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70 | setFont(fontStandard);
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71 | }
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72 |
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73 | /**
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74 | * replies the cell renderer component for a specific cell
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75 | *
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76 | * @param table the table
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77 | * @param value the value to be rendered
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78 | * @param isSelected true, if the value is selected
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79 | * @param hasFocus true, if the cell has focus
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80 | * @param rowIndex the row index
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81 | * @param vColIndex the column index
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82 | *
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83 | * @return the renderer component
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84 | */
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85 | @Override
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86 | public Component getTableCellRendererComponent(JTable table, Object value,
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87 | boolean isSelected, boolean hasFocus, int rowIndex, int vColIndex) {
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88 | resetRenderer();
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89 | if (value == null)
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90 | return this;
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91 |
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92 | // set background color
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93 | //
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94 | if (isSelected) {
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95 | setBackground(UIManager.getColor("Table.selectionBackground"));
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96 | setForeground(UIManager.getColor("Table.selectionForeground"));
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97 | } else {
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98 | setBackground(UIManager.getColor("Table.background")); // standard color
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99 | setForeground(UIManager.getColor("Table.foreground"));
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100 | }
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101 |
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102 | switch(vColIndex) {
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103 | case 0: renderTagName((TagModel) value); break;
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104 | case 1: renderTagValue((TagModel) value); break;
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105 | default: throw new JosmRuntimeException("unexpected index in switch statement");
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106 | }
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107 | if (hasFocus && isSelected && table.getSelectedColumnCount() == 1 && table.getSelectedRowCount() == 1
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108 | && table.getEditorComponent() != null) {
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109 | table.getEditorComponent().requestFocusInWindow();
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110 | }
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111 | return this;
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112 | }
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113 | }
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