001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.gui.dialogs.relation;
003
004import java.awt.Color;
005
006import javax.swing.JLabel;
007import javax.swing.JTable;
008import javax.swing.UIManager;
009import javax.swing.table.TableCellRenderer;
010
011import org.openstreetmap.josm.data.osm.OsmPrimitive;
012import org.openstreetmap.josm.gui.util.GuiHelper;
013
014/**
015 * This is the {@link TableCellRenderer} used in the tables of
016 * {@link org.openstreetmap.josm.gui.conflict.pair.relation.RelationMemberMerger}.
017 * @since 1790
018 */
019public abstract class MemberTableCellRenderer extends JLabel implements TableCellRenderer {
020    public static final Color BGCOLOR_IN_JOSM_SELECTION = new Color(235, 255, 177);
021
022    public static final Color BGCOLOR_DOUBLE_ENTRY = new Color(254, 226, 214);
023
024    /**
025     * constructor
026     */
027    protected MemberTableCellRenderer() {
028        setIcon(null);
029        setOpaque(true);
030    }
031
032    /**
033     * reset the renderer
034     */
035    protected void reset() {
036        setBackground(UIManager.getColor("Table.background"));
037        setForeground(UIManager.getColor("Table.foreground"));
038        setBorder(null);
039        setIcon(null);
040        setToolTipText(null);
041    }
042
043    protected void renderBackgroundForeground(MemberTableModel model, OsmPrimitive primitive, boolean isSelected) {
044        Color bgc = UIManager.getColor("Table.background");
045        if (isSelected) {
046            bgc = UIManager.getColor("Table.selectionBackground");
047        } else if (primitive != null && model.isInJosmSelection(primitive)) {
048            bgc = BGCOLOR_IN_JOSM_SELECTION;
049        } else if (primitive != null && model.getNumMembersWithPrimitive(primitive) > 1) {
050            bgc = BGCOLOR_DOUBLE_ENTRY;
051        }
052        GuiHelper.setBackgroundReadable(this, bgc);
053    }
054
055    /**
056     * replies the model
057     * @param table the table
058     * @return the table model
059     */
060    protected MemberTableModel getModel(JTable table) {
061        return (MemberTableModel) table.getModel();
062    }
063}