// License: GPL. For details, see LICENSE file.
package org.openstreetmap.josm.gui;
import java.awt.Component;
import javax.swing.DefaultListCellRenderer;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JTable;
import javax.swing.ListCellRenderer;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellRenderer;
import org.openstreetmap.josm.Main;
import org.openstreetmap.josm.data.osm.OsmPrimitive;
import org.openstreetmap.josm.data.osm.history.HistoryOsmPrimitive;
import org.openstreetmap.josm.tools.ImageProvider;
/**
* Renderer that renders the objects from an OsmPrimitive as data.
*
* Can be used in lists and tables.
*
* @author imi
* @author Frederik Ramm
*/
public class OsmPrimitivRenderer implements ListCellRenderer<OsmPrimitive>, TableCellRenderer {
private final DefaultNameFormatter formatter = DefaultNameFormatter.getInstance();
/**
* Default list cell renderer - delegate for ListCellRenderer operation
*/
private final DefaultListCellRenderer defaultListCellRenderer = new DefaultListCellRenderer();
/**
* Default table cell renderer - delegate for TableCellRenderer operation
*/
private final DefaultTableCellRenderer defaultTableCellRenderer = new DefaultTableCellRenderer();
/**
* Adapter method supporting the ListCellRenderer interface.
*/
@Override
public Component getListCellRendererComponent(JList<? extends OsmPrimitive> list, OsmPrimitive value, int index,
boolean isSelected, boolean cellHasFocus) {
Component def = defaultListCellRenderer.getListCellRendererComponent(list, null, index, isSelected, cellHasFocus);
return renderer(def, value, list.getModel().getSize() > 1000);
}
/**
* Adapter method supporting the TableCellRenderer interface.
*/
@Override
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, int row, int column) {
Component def = defaultTableCellRenderer.getTableCellRendererComponent(table, value, isSelected, hasFocus, row, column);
if (value instanceof OsmPrimitive)
return renderer(def, (OsmPrimitive) value, table.getModel().getRowCount() > 1000);
else if (value instanceof HistoryOsmPrimitive)
return renderer(def, (HistoryOsmPrimitive) value);
else
return def;
}
/**
* Internal method that stuffs information into the rendering component
* provided that it's a kind of JLabel.
* @param def the rendering component
* @param value the OsmPrimitive to render
* @param fast whether the icons should be loaded fast since many items are being displayed
* @return the modified rendering component
*/
private Component renderer(Component def, OsmPrimitive value, boolean fast) {
if (value != null && def instanceof JLabel) {
((JLabel) def).setText(getComponentText(value));
final ImageIcon icon = fast
? ImageProvider.get(value.getType())
: ImageProvider.getPadded(value,
// Height of component no yet known, assume the default 16px.
ImageProvider.ImageSizes.SMALLICON.getImageDimension());
if (icon != null) {
((JLabel) def).setIcon(icon);
} else {
Main.warn("Null icon for "+value.getDisplayType());
}
((JLabel) def).setToolTipText(getComponentToolTipText(value));
}
return def;
}
/**
* Internal method that stuffs information into the rendering component
* provided that it's a kind of JLabel.
* @param def the rendering component
* @param value the HistoryOsmPrimitive to render
* @return the modified rendering component
*/
private Component renderer(Component def, HistoryOsmPrimitive value) {
if (value != null && def instanceof JLabel) {
((JLabel) def).setText(value.getDisplayName(DefaultNameFormatter.getInstance()));
((JLabel) def).setIcon(ImageProvider.get(value.getType()));
((JLabel) def).setToolTipText(formatter.buildDefaultToolTip(value));
}
return def;
}
/**
* Returns the text representing an OSM primitive in a component.
* Can be overridden to customize the text
* @param value OSM primitive
* @return text representing the OSM primitive
*/
protected String getComponentText(OsmPrimitive value) {
return value.getDisplayName(DefaultNameFormatter.getInstance());
}
/**
* Returns the text representing an OSM primitive in a tooltip.
* Can be overridden to customize the ToolTipText
* @param value OSM primitive
* @return text representing the OSM primitive
*/
protected String getComponentToolTipText(OsmPrimitive value) {
return formatter.buildDefaultToolTip(value);
}
}