001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.gui.conflict.pair.nodes;
003
004import java.awt.Component;
005import java.text.MessageFormat;
006
007import javax.swing.BorderFactory;
008import javax.swing.ImageIcon;
009import javax.swing.JLabel;
010import javax.swing.JTable;
011import javax.swing.border.Border;
012import javax.swing.table.TableCellRenderer;
013
014import org.openstreetmap.josm.command.conflict.WayNodesConflictResolverCommand;
015import org.openstreetmap.josm.data.osm.DefaultNameFormatter;
016import org.openstreetmap.josm.data.osm.Node;
017import org.openstreetmap.josm.gui.conflict.ConflictColors;
018import org.openstreetmap.josm.gui.conflict.pair.AbstractListMergeModel;
019import org.openstreetmap.josm.tools.ImageProvider;
020
021/**
022 * This is the {@link TableCellRenderer} used in the node tables of {@link NodeListMerger}.
023 * @since 1622
024 */
025public class NodeListTableCellRenderer extends JLabel implements TableCellRenderer {
026
027    private final ImageIcon icon;
028    private final transient Border rowNumberBorder;
029
030    /**
031     * constructor
032     */
033    public NodeListTableCellRenderer() {
034        icon = ImageProvider.get("data", "node");
035        rowNumberBorder = BorderFactory.createEmptyBorder(0, 4, 0, 0);
036        setOpaque(true);
037    }
038
039    /**
040     * reset the renderer
041     */
042    protected void reset() {
043        setBackground(ConflictColors.BGCOLOR.get());
044        setForeground(ConflictColors.FGCOLOR.get());
045        setBorder(null);
046        setIcon(null);
047        setToolTipText(null);
048    }
049
050    /**
051     * render a node
052     * @param model the model
053     * @param node the node
054     * @param row the row
055     * @param isSelected true, if the current row is selected
056     */
057    protected void renderNode(AbstractListMergeModel<Node, WayNodesConflictResolverCommand>.EntriesTableModel model, Node node,
058            int row, boolean isSelected) {
059        setIcon(icon);
060        setBorder(null);
061        if (model.getListMergeModel().isFrozen()) {
062            setBackground(ConflictColors.BGCOLOR_FROZEN.get());
063        } else if (isSelected) {
064            setBackground(ConflictColors.BGCOLOR_SELECTED.get());
065        } else if (model.isParticipatingInCurrentComparePair()) {
066            if (model.isSamePositionInOppositeList(row)) {
067                setBackground(ConflictColors.BGCOLOR_SAME_POSITION_IN_OPPOSITE.get());
068            } else if (model.isIncludedInOppositeList(row)) {
069                setBackground(ConflictColors.BGCOLOR_IN_OPPOSITE.get());
070            } else {
071                setBackground(ConflictColors.BGCOLOR_NOT_IN_OPPOSITE.get());
072            }
073        }
074        setText(node.getDisplayName(DefaultNameFormatter.getInstance()));
075        setToolTipText(DefaultNameFormatter.getInstance().buildDefaultToolTip(node));
076    }
077
078    /**
079     * render an empty row
080     */
081    protected void renderEmptyRow() {
082        setIcon(null);
083        setBackground(ConflictColors.BGCOLOR_EMPTY_ROW.get());
084        setText("");
085    }
086
087    /**
088     * render the row id
089     * @param model the model
090     * @param row the row index
091     */
092    protected void renderRowId(AbstractListMergeModel<Node, WayNodesConflictResolverCommand>.EntriesTableModel model, int row) {
093        setIcon(null);
094        setBorder(rowNumberBorder);
095        if (model.getListMergeModel().isFrozen()) {
096            setBackground(ConflictColors.BGCOLOR_FROZEN.get());
097        } else if (model.isParticipatingInCurrentComparePair()) {
098            setBackground(ConflictColors.BGCOLOR_PARTICIPATING_IN_COMPARISON.get());
099            setForeground(ConflictColors.FGCOLOR_PARTICIPATING_IN_COMPARISON.get());
100        }
101        setText(Integer.toString(row+1));
102    }
103
104    @Override
105    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
106            int row, int column) {
107
108        Node node = (Node) value;
109        reset();
110        if (node == null) {
111            renderEmptyRow();
112        } else {
113            switch(column) {
114            case 0:
115                renderRowId(getModel(table), row);
116                break;
117            case 1:
118                renderNode(getModel(table), node, row, isSelected);
119                break;
120            default:
121                // should not happen
122                throw new IllegalArgumentException(MessageFormat.format("Unexpected column index. Got {0}.", column));
123            }
124        }
125        return this;
126    }
127
128    /**
129     * replies the model
130     * @param table the table
131     * @return the table model
132     */
133    @SuppressWarnings("unchecked")
134    protected AbstractListMergeModel<Node, WayNodesConflictResolverCommand>.EntriesTableModel getModel(JTable table) {
135        return (AbstractListMergeModel<Node, WayNodesConflictResolverCommand>.EntriesTableModel) table.getModel();
136    }
137}