001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.gui.conflict.pair.relation;
003
004import java.awt.Color;
005import java.awt.Component;
006
007import javax.swing.BorderFactory;
008import javax.swing.JLabel;
009import javax.swing.JTable;
010import javax.swing.border.Border;
011import javax.swing.table.TableCellRenderer;
012
013import org.openstreetmap.josm.data.osm.Node;
014import org.openstreetmap.josm.data.osm.RelationMember;
015import org.openstreetmap.josm.gui.DefaultNameFormatter;
016import org.openstreetmap.josm.gui.conflict.ConflictColors;
017import org.openstreetmap.josm.gui.conflict.pair.ListMergeModel;
018import org.openstreetmap.josm.tools.ImageProvider;
019
020/**
021 * This is the {@link TableCellRenderer} used in the tables of {@link RelationMemberMerger}.
022 *
023 */
024public class RelationMemberTableCellRenderer extends JLabel implements TableCellRenderer {
025    private final transient Border rowNumberBorder;
026
027    /**
028     * constructor
029     */
030    public RelationMemberTableCellRenderer() {
031        setIcon(null);
032        setOpaque(true);
033        rowNumberBorder = BorderFactory.createEmptyBorder(0, 4, 0, 0);
034    }
035
036    /**
037     * reset the renderer
038     */
039    protected void reset() {
040        setBackground(ConflictColors.BGCOLOR.get());
041        setForeground(ConflictColors.FGCOLOR.get());
042        setBorder(null);
043        setIcon(null);
044        setToolTipText(null);
045    }
046
047    protected void renderBackground(ListMergeModel<Node>.EntriesTableModel model, RelationMember member, int row, int col, boolean isSelected) {
048        Color bgc = ConflictColors.BGCOLOR.get();
049        if (col == 0) {
050            if (model.getListMergeModel().isFrozen()) {
051                bgc = ConflictColors.BGCOLOR_FROZEN.get();
052            } else if (model.isParticipatingInCurrentComparePair()) {
053                bgc = ConflictColors.BGCOLOR_PARTICIPATING_IN_COMPARISON.get();
054            } else if (isSelected) {
055                bgc = ConflictColors.BGCOLOR_SELECTED.get();
056            }
057        } else {
058            if (model.getListMergeModel().isFrozen()) {
059                bgc = ConflictColors.BGCOLOR_FROZEN.get();
060            } else if (member == null) {
061                bgc = ConflictColors.BGCOLOR_EMPTY_ROW.get();
062            } else if (isSelected) {
063                bgc = ConflictColors.BGCOLOR_SELECTED.get();
064            } else {
065                if (model.isParticipatingInCurrentComparePair()) {
066                    if (model.isSamePositionInOppositeList(row)) {
067                        bgc = ConflictColors.BGCOLOR_SAME_POSITION_IN_OPPOSITE.get();
068                    } else if (model.isIncludedInOppositeList(row)) {
069                        bgc = ConflictColors.BGCOLOR_IN_OPPOSITE.get();
070                    } else {
071                        bgc = ConflictColors.BGCOLOR_NOT_IN_OPPOSITE.get();
072                    }
073                }
074            }
075        }
076        setBackground(bgc);
077    }
078
079    protected void renderForeground(ListMergeModel<Node>.EntriesTableModel model, RelationMember member, int row, int col, boolean isSelected) {
080        Color fgc = ConflictColors.FGCOLOR.get();
081        if (col == 0 && model.isParticipatingInCurrentComparePair() && !model.getListMergeModel().isFrozen()) {
082            fgc = ConflictColors.FGCOLOR_PARTICIPATING_IN_COMPARISON.get();
083        }
084        setForeground(fgc);
085    }
086
087    protected void renderRole(RelationMember member) {
088        setText(member.getRole());
089        setToolTipText(member.getRole());
090    }
091
092    protected void renderPrimitive(RelationMember member) {
093        String displayName = member.getMember().getDisplayName(DefaultNameFormatter.getInstance());
094        setText(displayName);
095        setToolTipText(DefaultNameFormatter.getInstance().buildDefaultToolTip(member.getMember()));
096        setIcon(ImageProvider.get(member.getDisplayType()));
097    }
098
099    /**
100     * render the row id
101     * @param row the row index
102     */
103    protected void renderRowId(int row) {
104        setBorder(rowNumberBorder);
105        setText(Integer.toString(row+1));
106    }
107
108    protected void renderEmptyRow() {
109        setIcon(null);
110        setBackground(ConflictColors.BGCOLOR_EMPTY_ROW.get());
111        setText("");
112    }
113
114    @Override
115    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
116            int row, int column) {
117
118        RelationMember member = (RelationMember) value;
119        reset();
120        if (member == null) {
121            renderEmptyRow();
122        } else {
123            renderBackground(getModel(table), member, row, column, isSelected);
124            renderForeground(getModel(table), member, row, column, isSelected);
125            switch(column) {
126            case 0:
127                renderRowId(row);
128                break;
129            case 1:
130                renderRole(member);
131                break;
132            case 2:
133                renderPrimitive(member);
134                break;
135            default:
136                // should not happen
137            }
138        }
139        return this;
140    }
141
142    /**
143     * replies the model
144     * @param table  the table
145     * @return the table model
146     */
147    @SuppressWarnings("unchecked")
148    protected ListMergeModel<Node>.EntriesTableModel getModel(JTable table) {
149        return (ListMergeModel<Node>.EntriesTableModel) table.getModel();
150    }
151}