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