001    // License: GPL. Copyright 2007 by Immanuel Scholz and others
002    package org.openstreetmap.josm.gui;
003    
004    import java.awt.Component;
005    
006    import javax.swing.DefaultListCellRenderer;
007    import javax.swing.JLabel;
008    import javax.swing.JList;
009    import javax.swing.JTable;
010    import javax.swing.ListCellRenderer;
011    import javax.swing.table.DefaultTableCellRenderer;
012    import javax.swing.table.TableCellRenderer;
013    
014    import org.openstreetmap.josm.data.osm.OsmPrimitive;
015    import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive;
016    import org.openstreetmap.josm.tools.ImageProvider;
017    
018    /**
019     * Renderer that renders the objects from an OsmPrimitive as data.
020     *
021     * Can be used in lists and tables.
022     *
023     * @author imi
024     * @author Frederik Ramm <frederik@remote.org>
025     */
026    public class OsmPrimitivRenderer implements ListCellRenderer, TableCellRenderer {
027        private DefaultNameFormatter formatter = DefaultNameFormatter.getInstance();
028    
029        /**
030         * Default list cell renderer - delegate for ListCellRenderer operation
031         */
032        private DefaultListCellRenderer defaultListCellRenderer = new DefaultListCellRenderer();
033    
034        /**
035         * Default table cell renderer - delegate for TableCellRenderer operation
036         */
037        private DefaultTableCellRenderer defaultTableCellRenderer = new DefaultTableCellRenderer();
038    
039        /**
040         * Adapter method supporting the ListCellRenderer interface.
041         */
042        public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
043            Component def = defaultListCellRenderer.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
044            return renderer(def, (OsmPrimitive) value);
045        }
046    
047        /**
048         * Adapter method supporting the TableCellRenderer interface.
049         */
050        public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
051            Component def = defaultTableCellRenderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
052            if (value instanceof OsmPrimitive)
053                return renderer(def, (OsmPrimitive) value);
054            else if (value instanceof HistoryOsmPrimitive)
055                return renderer(def, (HistoryOsmPrimitive) value);
056            else
057                return def;
058        }
059    
060        /**
061         * Internal method that stuffs information into the rendering component
062         * provided that it's a kind of JLabel.
063         * @param def the rendering component
064         * @param value the OsmPrimtive to render
065         * @return the modified rendering component
066         */
067        private Component renderer(Component def, OsmPrimitive value) {
068            if (def != null && value != null && def instanceof JLabel) {
069                ((JLabel)def).setText(getComponentText(value));
070                ((JLabel)def).setIcon(ImageProvider.get(value.getDisplayType()));
071                ((JLabel)def).setToolTipText(getComponentToolTipText(value));
072            }
073            return def;
074        }
075    
076        /**
077         * Internal method that stuffs information into the rendering component
078         * provided that it's a kind of JLabel.
079         * @param def the rendering component
080         * @param value the HistoryOsmPrimtive to render
081         * @return the modified rendering component
082         */
083        private Component renderer(Component def, HistoryOsmPrimitive value) {
084            if (def != null && value != null && def instanceof JLabel) {
085                ((JLabel)def).setText(value.getDisplayName(DefaultNameFormatter.getInstance()));
086                ((JLabel)def).setIcon(ImageProvider.get(value.getType()));
087                ((JLabel)def).setToolTipText(formatter.buildDefaultToolTip(value));
088            }
089            return def;
090        }
091    
092        /**
093         * Can be overridden to customize the Text
094         */
095        protected String getComponentText(OsmPrimitive value) {
096            return value.getDisplayName(DefaultNameFormatter.getInstance());
097        }
098    
099        /**
100         * Can be overridden to customize the ToolTipText
101         */
102        protected String getComponentToolTipText(OsmPrimitive value) {
103            return formatter.buildDefaultToolTip(value);
104        }
105    }