| 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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