001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui; 003 004import java.awt.Component; 005 006import javax.swing.DefaultListCellRenderer; 007import javax.swing.ImageIcon; 008import javax.swing.JLabel; 009import javax.swing.JList; 010import javax.swing.JTable; 011import javax.swing.ListCellRenderer; 012import javax.swing.table.DefaultTableCellRenderer; 013import javax.swing.table.TableCellRenderer; 014 015import org.openstreetmap.josm.Main; 016import org.openstreetmap.josm.data.osm.OsmPrimitive; 017import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive; 018import org.openstreetmap.josm.tools.ImageProvider; 019 020/** 021 * Renderer that renders the objects from an OsmPrimitive as data. 022 * 023 * Can be used in lists and tables. 024 * 025 * @author imi 026 * @author Frederik Ramm 027 */ 028public class OsmPrimitivRenderer implements ListCellRenderer<OsmPrimitive>, TableCellRenderer { 029 private final DefaultNameFormatter formatter = DefaultNameFormatter.getInstance(); 030 031 /** 032 * Default list cell renderer - delegate for ListCellRenderer operation 033 */ 034 private final DefaultListCellRenderer defaultListCellRenderer = new DefaultListCellRenderer(); 035 036 /** 037 * Default table cell renderer - delegate for TableCellRenderer operation 038 */ 039 private final DefaultTableCellRenderer defaultTableCellRenderer = new DefaultTableCellRenderer(); 040 041 /** 042 * Adapter method supporting the ListCellRenderer interface. 043 */ 044 @Override 045 public Component getListCellRendererComponent(JList<? extends OsmPrimitive> list, OsmPrimitive value, int index, 046 boolean isSelected, boolean cellHasFocus) { 047 Component def = defaultListCellRenderer.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus); 048 return renderer(def, value, list.getModel().getSize() > 1000); 049 } 050 051 /** 052 * Adapter method supporting the TableCellRenderer interface. 053 */ 054 @Override 055 public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) { 056 Component def = defaultTableCellRenderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column); 057 if (value instanceof OsmPrimitive) 058 return renderer(def, (OsmPrimitive) value, table.getModel().getRowCount() > 1000); 059 else if (value instanceof HistoryOsmPrimitive) 060 return renderer(def, (HistoryOsmPrimitive) value); 061 else 062 return def; 063 } 064 065 /** 066 * Internal method that stuffs information into the rendering component 067 * provided that it's a kind of JLabel. 068 * @param def the rendering component 069 * @param value the OsmPrimitive to render 070 * @param fast whether the icons should be loaded fast since many items are being displayed 071 * @return the modified rendering component 072 */ 073 private Component renderer(Component def, OsmPrimitive value, boolean fast) { 074 if (value != null && def instanceof JLabel) { 075 ((JLabel) def).setText(getComponentText(value)); 076 final ImageIcon icon = fast 077 ? ImageProvider.get(value.getType()) 078 : ImageProvider.getPadded(value, 079 // Height of component no yet known, assume the default 16px. 080 ImageProvider.ImageSizes.SMALLICON.getImageDimension()); 081 if (icon != null) { 082 ((JLabel) def).setIcon(icon); 083 } else { 084 Main.warn("Null icon for "+value.getDisplayType()); 085 } 086 ((JLabel) def).setToolTipText(getComponentToolTipText(value)); 087 } 088 return def; 089 } 090 091 /** 092 * Internal method that stuffs information into the rendering component 093 * provided that it's a kind of JLabel. 094 * @param def the rendering component 095 * @param value the HistoryOsmPrimitive to render 096 * @return the modified rendering component 097 */ 098 private Component renderer(Component def, HistoryOsmPrimitive value) { 099 if (value != null && def instanceof JLabel) { 100 ((JLabel) def).setText(value.getDisplayName(DefaultNameFormatter.getInstance())); 101 ((JLabel) def).setIcon(ImageProvider.get(value.getType())); 102 ((JLabel) def).setToolTipText(formatter.buildDefaultToolTip(value)); 103 } 104 return def; 105 } 106 107 /** 108 * Returns the text representing an OSM primitive in a component. 109 * Can be overridden to customize the text 110 * @param value OSM primitive 111 * @return text representing the OSM primitive 112 */ 113 protected String getComponentText(OsmPrimitive value) { 114 return value.getDisplayName(DefaultNameFormatter.getInstance()); 115 } 116 117 /** 118 * Returns the text representing an OSM primitive in a tooltip. 119 * Can be overridden to customize the ToolTipText 120 * @param value OSM primitive 121 * @return text representing the OSM primitive 122 */ 123 protected String getComponentToolTipText(OsmPrimitive value) { 124 return formatter.buildDefaultToolTip(value); 125 } 126}