001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui.history; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005 006import java.awt.Color; 007import java.awt.Component; 008 009import javax.swing.ImageIcon; 010import javax.swing.JLabel; 011import javax.swing.JTable; 012import javax.swing.table.TableCellRenderer; 013 014import org.openstreetmap.josm.gui.history.TwoColumnDiff.Item.DiffItemType; 015import org.openstreetmap.josm.tools.ImageProvider; 016 017public class NodeListTableCellRenderer extends JLabel implements TableCellRenderer { 018 019 public static final Color BGCOLOR_SELECTED = new Color(143, 170, 255); 020 021 private ImageIcon nodeIcon; 022 023 /** 024 * Constructs a new {@code NodeListTableCellRenderer}. 025 */ 026 public NodeListTableCellRenderer() { 027 setOpaque(true); 028 nodeIcon = ImageProvider.get("data", "node"); 029 setIcon(nodeIcon); 030 } 031 032 protected void renderNode(TwoColumnDiff.Item item, boolean isSelected) { 033 String text = ""; 034 Color bgColor = Color.WHITE; 035 setIcon(nodeIcon); 036 if (item.value != null) { 037 text = tr("Node {0}", item.value.toString()); 038 } 039 bgColor = item.state.getColor(); 040 if (item.state == DiffItemType.EMPTY) { 041 text = ""; 042 setIcon(null); 043 } 044 if (isSelected) { 045 bgColor = BGCOLOR_SELECTED; 046 } 047 setText(text); 048 setBackground(bgColor); 049 } 050 051 // Warning: The model pads with null-rows to match the size of the opposite table. 'value' could be null 052 @Override 053 public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus, 054 int row, int column) { 055 056 renderNode((TwoColumnDiff.Item) value, isSelected); 057 return this; 058 } 059}