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.command.conflict.RelationMemberConflictResolverCommand;
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.AbstractListMergeModel;
018import org.openstreetmap.josm.tools.ImageProvider;
019
020/**
021 * This is the {@link TableCellRenderer} used in the tables of {@link RelationMemberMerger}.
022 * @since 1631
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(AbstractListMergeModel<RelationMember, RelationMemberConflictResolverCommand>.EntriesTableModel model,
048            RelationMember member, int row, int col, boolean isSelected) {
049        Color bgc = ConflictColors.BGCOLOR.get();
050        if (col == 0) {
051            if (model.getListMergeModel().isFrozen()) {
052                bgc = ConflictColors.BGCOLOR_FROZEN.get();
053            } else if (model.isParticipatingInCurrentComparePair()) {
054                bgc = ConflictColors.BGCOLOR_PARTICIPATING_IN_COMPARISON.get();
055            } else if (isSelected) {
056                bgc = ConflictColors.BGCOLOR_SELECTED.get();
057            }
058        } else {
059            if (model.getListMergeModel().isFrozen()) {
060                bgc = ConflictColors.BGCOLOR_FROZEN.get();
061            } else if (member == null) {
062                bgc = ConflictColors.BGCOLOR_EMPTY_ROW.get();
063            } else if (isSelected) {
064                bgc = ConflictColors.BGCOLOR_SELECTED.get();
065            } else {
066                if (model.isParticipatingInCurrentComparePair()) {
067                    if (model.isSamePositionInOppositeList(row)) {
068                        bgc = ConflictColors.BGCOLOR_SAME_POSITION_IN_OPPOSITE.get();
069                    } else if (model.isIncludedInOppositeList(row)) {
070                        bgc = ConflictColors.BGCOLOR_IN_OPPOSITE.get();
071                    } else {
072                        bgc = ConflictColors.BGCOLOR_NOT_IN_OPPOSITE.get();
073                    }
074                }
075            }
076        }
077        setBackground(bgc);
078    }
079
080    protected void renderForeground(AbstractListMergeModel<RelationMember, RelationMemberConflictResolverCommand>.EntriesTableModel model,
081            RelationMember member, int row, int col, boolean isSelected) {
082        Color fgc = ConflictColors.FGCOLOR.get();
083        if (col == 0 && model.isParticipatingInCurrentComparePair() && !model.getListMergeModel().isFrozen()) {
084            fgc = ConflictColors.FGCOLOR_PARTICIPATING_IN_COMPARISON.get();
085        }
086        setForeground(fgc);
087    }
088
089    protected void renderRole(RelationMember member) {
090        setText(member.getRole());
091        setToolTipText(member.getRole());
092    }
093
094    protected void renderPrimitive(RelationMember member) {
095        String displayName = member.getMember().getDisplayName(DefaultNameFormatter.getInstance());
096        setText(displayName);
097        setToolTipText(DefaultNameFormatter.getInstance().buildDefaultToolTip(member.getMember()));
098        setIcon(ImageProvider.get(member.getDisplayType()));
099    }
100
101    /**
102     * render the row id
103     * @param row the row index
104     */
105    protected void renderRowId(int row) {
106        setBorder(rowNumberBorder);
107        setText(Integer.toString(row+1));
108    }
109
110    protected void renderEmptyRow() {
111        setIcon(null);
112        setBackground(ConflictColors.BGCOLOR_EMPTY_ROW.get());
113        setText("");
114    }
115
116    @Override
117    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
118            int row, int column) {
119
120        RelationMember member = (RelationMember) value;
121        reset();
122        if (member == null) {
123            renderEmptyRow();
124        } else {
125            renderBackground(getModel(table), member, row, column, isSelected);
126            renderForeground(getModel(table), member, row, column, isSelected);
127            switch(column) {
128            case 0:
129                renderRowId(row);
130                break;
131            case 1:
132                renderRole(member);
133                break;
134            case 2:
135                renderPrimitive(member);
136                break;
137            default:
138                // should not happen
139            }
140        }
141        return this;
142    }
143
144    /**
145     * replies the model
146     * @param table  the table
147     * @return the table model
148     */
149    @SuppressWarnings("unchecked")
150    protected AbstractListMergeModel<RelationMember, RelationMemberConflictResolverCommand>.EntriesTableModel getModel(JTable table) {
151        return (AbstractListMergeModel<RelationMember, RelationMemberConflictResolverCommand>.EntriesTableModel) table.getModel();
152    }
153}