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;
006import java.util.ArrayList;
007import java.util.Collections;
008import java.util.List;
009
010import javax.swing.BorderFactory;
011import javax.swing.ImageIcon;
012import javax.swing.JLabel;
013import javax.swing.JTable;
014import javax.swing.border.Border;
015import javax.swing.table.TableCellRenderer;
016
017import org.openstreetmap.josm.data.osm.Node;
018import org.openstreetmap.josm.data.osm.OsmPrimitive;
019import org.openstreetmap.josm.gui.DefaultNameFormatter;
020import org.openstreetmap.josm.gui.conflict.ConflictColors;
021import org.openstreetmap.josm.gui.conflict.pair.ListMergeModel;
022import org.openstreetmap.josm.tools.ImageProvider;
023
024/**
025 * This is the {@link TableCellRenderer} used in the node tables of {@link NodeListMerger}.
026 *
027 */
028public  class NodeListTableCellRenderer extends JLabel implements TableCellRenderer {
029
030    private final ImageIcon icon;
031    private final Border rowNumberBorder;
032
033    /**
034     * constructor
035     */
036    public NodeListTableCellRenderer() {
037        icon = ImageProvider.get("data", "node");
038        rowNumberBorder = BorderFactory.createEmptyBorder(0,4,0,0);
039        setOpaque(true);
040    }
041
042    /**
043     * build the tool tip text for an {@link OsmPrimitive}. It consist of the formatted
044     * key/value pairs for this primitive.
045     *
046     * @param primitive
047     * @return the tool tip text
048     */
049    public String buildToolTipText(OsmPrimitive primitive) {
050        StringBuilder sb = new StringBuilder();
051
052        sb.append("<html>");
053        // show the id
054        //
055        sb.append("<strong>id</strong>=")
056        .append(primitive.getId())
057        .append("<br>");
058
059        // show the key/value-pairs, sorted by key
060        //
061        List<String> keyList = new ArrayList<String>(primitive.keySet());
062        Collections.sort(keyList);
063        for (int i = 0; i < keyList.size(); i++) {
064            if (i > 0) {
065                sb.append("<br>");
066            }
067            String key = keyList.get(i);
068            sb.append("<strong>")
069            .append(key)
070            .append("</strong>")
071            .append("=");
072            // make sure long values are split into several rows. Otherwise
073            // the tool tip window can become to wide
074            //
075            String value = primitive.get(key);
076            while(value.length() != 0) {
077                sb.append(value.substring(0,Math.min(50, value.length())));
078                if (value.length() > 50) {
079                    sb.append("<br>");
080                    value = value.substring(50);
081                } else {
082                    value = "";
083                }
084            }
085        }
086        sb.append("</html>");
087        return sb.toString();
088    }
089
090    /**
091     * reset the renderer
092     */
093    protected void reset() {
094        setBackground(ConflictColors.BGCOLOR.get());
095        setForeground(ConflictColors.FGCOLOR.get());
096        setBorder(null);
097        setIcon(null);
098        setToolTipText(null);
099    }
100
101    /**
102     * render a node
103     * @param model  the model
104     * @param node the node
105     * @param isSelected true, if the current row is selected
106     */
107    protected  void renderNode(ListMergeModel<Node>.EntriesTableModel model, Node node, int row, boolean isSelected) {
108        setIcon(icon);
109        setBorder(null);
110        if (model.getListMergeModel().isFrozen()) {
111            setBackground(ConflictColors.BGCOLOR_FROZEN.get());
112        } else if (isSelected) {
113            setBackground(ConflictColors.BGCOLOR_SELECTED.get());
114        } else if (model.isParticipatingInCurrentComparePair()) {
115            if (model.isSamePositionInOppositeList(row)) {
116                setBackground(ConflictColors.BGCOLOR_SAME_POSITION_IN_OPPOSITE.get());
117            } else if (model.isIncludedInOppositeList(row)) {
118                setBackground(ConflictColors.BGCOLOR_IN_OPPOSITE.get());
119            } else {
120                setBackground(ConflictColors.BGCOLOR_NOT_IN_OPPOSITE.get());
121            }
122        }
123        setText(node.getDisplayName(DefaultNameFormatter.getInstance()));
124        setToolTipText(buildToolTipText(node));
125    }
126
127    /**
128     * render an empty row
129     */
130    protected void renderEmptyRow() {
131        setIcon(null);
132        setBackground(ConflictColors.BGCOLOR_EMPTY_ROW.get());
133        setText("");
134    }
135
136    /**
137     * render the row id
138     * @param model  the model
139     * @param row the row index
140     * @param isSelected true, if the current row is selected
141     */
142    protected  void renderRowId( ListMergeModel<Node>.EntriesTableModel model, int row, boolean isSelected) {
143        setIcon(null);
144        setBorder(rowNumberBorder);
145        if (model.getListMergeModel().isFrozen()) {
146            setBackground(ConflictColors.BGCOLOR_FROZEN.get());
147        } else if (model.isParticipatingInCurrentComparePair()) {
148            setBackground(ConflictColors.BGCOLOR_PARTICIPAING_IN_COMPARISON.get());
149            setForeground(ConflictColors.FGCOLOR_PARTICIPAING_IN_COMPARISON.get());
150        }
151        setText(Integer.toString(row+1));
152    }
153
154    @Override
155    public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
156            int row, int column) {
157
158        Node node = (Node)value;
159        reset();
160        if (node == null) {
161            renderEmptyRow();
162        } else {
163            switch(column) {
164            case 0:
165                renderRowId(getModel(table),row, isSelected);
166                break;
167            case 1:
168                renderNode(getModel(table), node, row, isSelected);
169                break;
170            default:
171                // should not happen
172                throw new RuntimeException(MessageFormat.format("Unexpected column index. Got {0}.", column));
173            }
174        }
175        return this;
176    }
177
178    /**
179     * replies the model
180     * @param table  the table
181     * @return the table model
182     */
183    @SuppressWarnings("unchecked")
184    protected ListMergeModel<Node>.EntriesTableModel getModel(JTable table) {
185        return (ListMergeModel.EntriesTableModel)table.getModel();
186    }
187}