001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui; 003 004import java.awt.Component; 005import java.awt.Rectangle; 006 007import javax.swing.DefaultListCellRenderer; 008import javax.swing.ImageIcon; 009import javax.swing.JLabel; 010import javax.swing.JList; 011import javax.swing.JTable; 012import javax.swing.ListCellRenderer; 013import javax.swing.table.DefaultTableCellRenderer; 014import javax.swing.table.TableCellRenderer; 015 016import org.openstreetmap.josm.Main; 017import org.openstreetmap.josm.data.osm.OsmPrimitive; 018import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive; 019import org.openstreetmap.josm.tools.ImageProvider; 020 021/** 022 * Renderer that renders the objects from an OsmPrimitive as data. 023 * 024 * Can be used in lists and tables. 025 * 026 * @author imi 027 * @author Frederik Ramm 028 */ 029public class OsmPrimitivRenderer implements ListCellRenderer<OsmPrimitive>, TableCellRenderer { 030 private DefaultNameFormatter formatter = DefaultNameFormatter.getInstance(); 031 032 /** 033 * Default list cell renderer - delegate for ListCellRenderer operation 034 */ 035 private DefaultListCellRenderer defaultListCellRenderer = new DefaultListCellRenderer(); 036 037 /** 038 * Default table cell renderer - delegate for TableCellRenderer operation 039 */ 040 private DefaultTableCellRenderer defaultTableCellRenderer = new DefaultTableCellRenderer(); 041 042 /** 043 * Adapter method supporting the ListCellRenderer interface. 044 */ 045 @Override 046 public Component getListCellRendererComponent(JList<? extends OsmPrimitive> list, OsmPrimitive value, int index, 047 boolean isSelected, boolean cellHasFocus) { 048 Component def = defaultListCellRenderer.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus); 049 return renderer(def, value); 050 } 051 052 /** 053 * Adapter method supporting the TableCellRenderer interface. 054 */ 055 @Override 056 public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { 057 Component def = defaultTableCellRenderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); 058 if (value instanceof OsmPrimitive) 059 return renderer(def, (OsmPrimitive) value); 060 else if (value instanceof HistoryOsmPrimitive) 061 return renderer(def, (HistoryOsmPrimitive) value); 062 else 063 return def; 064 } 065 066 /** 067 * Internal method that stuffs information into the rendering component 068 * provided that it's a kind of JLabel. 069 * @param def the rendering component 070 * @param value the OsmPrimitive to render 071 * @return the modified rendering component 072 */ 073 private Component renderer(Component def, OsmPrimitive value) { 074 if (value != null && def instanceof JLabel) { 075 ((JLabel) def).setText(getComponentText(value)); 076 ImageIcon icon = ImageProvider.getPadded(value, 077 // Height of component no yet known, assume the default 16px. 078 new Rectangle(16, 16)); 079 if (icon != null) { 080 ((JLabel) def).setIcon(icon); 081 } else { 082 Main.warn("Null icon for "+value.getDisplayType()); 083 } 084 ((JLabel) def).setToolTipText(getComponentToolTipText(value)); 085 } 086 return def; 087 } 088 089 /** 090 * Internal method that stuffs information into the rendering component 091 * provided that it's a kind of JLabel. 092 * @param def the rendering component 093 * @param value the HistoryOsmPrimitive to render 094 * @return the modified rendering component 095 */ 096 private Component renderer(Component def, HistoryOsmPrimitive value) { 097 if (value != null && def instanceof JLabel) { 098 ((JLabel) def).setText(value.getDisplayName(DefaultNameFormatter.getInstance())); 099 ((JLabel) def).setIcon(ImageProvider.get(value.getType())); 100 ((JLabel) def).setToolTipText(formatter.buildDefaultToolTip(value)); 101 } 102 return def; 103 } 104 105 /** 106 * Returns the text representing an OSM primitive in a component. 107 * Can be overridden to customize the text 108 * @param value OSM primitive 109 * @return text representing the OSM primitive 110 */ 111 protected String getComponentText(OsmPrimitive value) { 112 return value.getDisplayName(DefaultNameFormatter.getInstance()); 113 } 114 115 /** 116 * Returns the text representing an OSM primitive in a tooltip. 117 * Can be overridden to customize the ToolTipText 118 * @param value OSM primitive 119 * @return text representing the OSM primitive 120 */ 121 protected String getComponentToolTipText(OsmPrimitive value) { 122 return formatter.buildDefaultToolTip(value); 123 } 124}