| 1 | // License: GPL. See LICENSE file for details. |
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| 2 | package org.openstreetmap.josm.gui.dialogs; |
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| 3 | |
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| 4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht; |
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| 5 | import static org.openstreetmap.josm.tools.I18n.marktr; |
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| 6 | import static org.openstreetmap.josm.tools.I18n.tr; |
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| 7 | |
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| 8 | import java.awt.Color; |
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| 9 | import java.awt.Graphics; |
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| 10 | import java.awt.Point; |
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| 11 | import java.awt.event.ActionEvent; |
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| 12 | import java.awt.event.KeyEvent; |
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| 13 | import java.awt.event.MouseAdapter; |
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| 14 | import java.awt.event.MouseEvent; |
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| 15 | import java.util.Arrays; |
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| 16 | import java.util.Collection; |
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| 17 | import java.util.Iterator; |
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| 18 | import java.util.LinkedList; |
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| 19 | import java.util.concurrent.CopyOnWriteArrayList; |
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| 20 | |
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| 21 | import javax.swing.AbstractAction; |
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| 22 | import javax.swing.JList; |
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| 23 | import javax.swing.ListModel; |
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| 24 | import javax.swing.ListSelectionModel; |
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| 25 | import javax.swing.event.ListDataEvent; |
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| 26 | import javax.swing.event.ListDataListener; |
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| 27 | import javax.swing.event.ListSelectionEvent; |
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| 28 | import javax.swing.event.ListSelectionListener; |
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| 29 | |
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| 30 | import org.openstreetmap.josm.Main; |
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| 31 | import org.openstreetmap.josm.data.SelectionChangedListener; |
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| 32 | import org.openstreetmap.josm.data.conflict.Conflict; |
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| 33 | import org.openstreetmap.josm.data.conflict.ConflictCollection; |
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| 34 | import org.openstreetmap.josm.data.conflict.IConflictListener; |
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| 35 | import org.openstreetmap.josm.data.osm.DataSet; |
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| 36 | import org.openstreetmap.josm.data.osm.Node; |
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| 37 | import org.openstreetmap.josm.data.osm.OsmPrimitive; |
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| 38 | import org.openstreetmap.josm.data.osm.Relation; |
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| 39 | import org.openstreetmap.josm.data.osm.RelationMember; |
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| 40 | import org.openstreetmap.josm.data.osm.Way; |
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| 41 | import org.openstreetmap.josm.data.osm.visitor.AbstractVisitor; |
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| 42 | import org.openstreetmap.josm.data.osm.visitor.Visitor; |
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| 43 | import org.openstreetmap.josm.gui.MapView; |
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| 44 | import org.openstreetmap.josm.gui.NavigatableComponent; |
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| 45 | import org.openstreetmap.josm.gui.OsmPrimitivRenderer; |
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| 46 | import org.openstreetmap.josm.gui.SideButton; |
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| 47 | import org.openstreetmap.josm.gui.layer.OsmDataLayer; |
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| 48 | import org.openstreetmap.josm.tools.ImageProvider; |
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| 49 | import org.openstreetmap.josm.tools.Shortcut; |
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| 50 | |
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| 51 | /** |
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| 52 | * This dialog displays the {@see ConflictCollection} of the active {@see OsmDataLayer} in a toggle |
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| 53 | * dialog on the right of the main frame. |
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| 54 | * |
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| 55 | */ |
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| 56 | public final class ConflictDialog extends ToggleDialog implements MapView.EditLayerChangeListener, IConflictListener, SelectionChangedListener{ |
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| 57 | |
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| 58 | static public Color getColor() { |
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| 59 | return Main.pref.getColor(marktr("conflict"), Color.gray); |
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| 60 | } |
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| 61 | |
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| 62 | /** the collection of conflicts displayed by this conflict dialog*/ |
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| 63 | private ConflictCollection conflicts; |
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| 64 | |
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| 65 | /** the model for the list of conflicts */ |
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| 66 | private ConflictListModel model; |
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| 67 | /** the list widget for the list of conflicts */ |
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| 68 | private JList lstConflicts; |
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| 69 | |
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| 70 | private ResolveAction actResolve; |
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| 71 | private SelectAction actSelect; |
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| 72 | |
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| 73 | /** |
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| 74 | * builds the GUI |
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| 75 | */ |
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| 76 | protected void build() { |
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| 77 | model = new ConflictListModel(); |
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| 78 | |
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| 79 | lstConflicts = new JList(model); |
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| 80 | lstConflicts.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION); |
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| 81 | lstConflicts.setCellRenderer(new OsmPrimitivRenderer()); |
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| 82 | lstConflicts.addMouseListener(new MouseAdapter(){ |
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| 83 | @Override public void mouseClicked(MouseEvent e) { |
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| 84 | if (e.getClickCount() >= 2) { |
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| 85 | resolve(); |
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| 86 | } |
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| 87 | } |
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| 88 | }); |
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| 89 | lstConflicts.getSelectionModel().addListSelectionListener(new ListSelectionListener(){ |
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| 90 | public void valueChanged(ListSelectionEvent e) { |
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| 91 | Main.map.mapView.repaint(); |
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| 92 | } |
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| 93 | }); |
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| 94 | |
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| 95 | SideButton btnResolve = new SideButton(actResolve = new ResolveAction()); |
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| 96 | lstConflicts.getSelectionModel().addListSelectionListener(actResolve); |
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| 97 | |
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| 98 | SideButton btnSelect = new SideButton(actSelect = new SelectAction()); |
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| 99 | lstConflicts.getSelectionModel().addListSelectionListener(actSelect); |
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| 100 | |
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| 101 | createLayout(lstConflicts, true, Arrays.asList(new SideButton[] { |
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| 102 | btnResolve, btnSelect |
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| 103 | })); |
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| 104 | } |
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| 105 | |
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| 106 | /** |
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| 107 | * constructor |
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| 108 | */ |
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| 109 | public ConflictDialog() { |
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| 110 | super(tr("Conflict"), "conflict", tr("Resolve conflicts."), |
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| 111 | Shortcut.registerShortcut("subwindow:conflict", tr("Toggle: {0}", tr("Conflict")), |
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| 112 | KeyEvent.VK_C, Shortcut.ALT_SHIFT), 100); |
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| 113 | |
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| 114 | build(); |
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| 115 | refreshView(); |
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| 116 | } |
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| 117 | |
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| 118 | @Override |
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| 119 | public void showNotify() { |
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| 120 | DataSet.addSelectionListener(this); |
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| 121 | MapView.addEditLayerChangeListener(this, true); |
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| 122 | refreshView(); |
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| 123 | } |
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| 124 | |
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| 125 | @Override |
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| 126 | public void hideNotify() { |
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| 127 | MapView.removeEditLayerChangeListener(this); |
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| 128 | DataSet.removeSelectionListener(this); |
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| 129 | } |
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| 130 | |
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| 131 | /** |
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| 132 | * Launches a conflict resolution dialog for the first selected conflict |
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| 133 | * |
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| 134 | */ |
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| 135 | private final void resolve() { |
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| 136 | if (conflicts == null || model.getSize() == 0) return; |
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| 137 | |
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| 138 | int index = lstConflicts.getSelectedIndex(); |
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| 139 | if (index < 0) { |
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| 140 | index = 0; |
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| 141 | } |
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| 142 | |
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| 143 | Conflict<? extends OsmPrimitive> c = conflicts.get(index); |
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| 144 | ConflictResolutionDialog dialog = new ConflictResolutionDialog(Main.parent); |
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| 145 | dialog.getConflictResolver().populate(c); |
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| 146 | dialog.setVisible(true); |
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| 147 | |
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| 148 | lstConflicts.setSelectedIndex(index); |
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| 149 | |
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| 150 | Main.map.mapView.repaint(); |
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| 151 | } |
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| 152 | |
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| 153 | /** |
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| 154 | * refreshes the view of this dialog |
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| 155 | */ |
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| 156 | public final void refreshView() { |
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| 157 | OsmDataLayer editLayer = Main.main.getEditLayer(); |
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| 158 | conflicts = editLayer == null?new ConflictCollection():editLayer.getConflicts(); |
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| 159 | model.fireContentChanged(); |
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| 160 | updateTitle(conflicts.size()); |
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| 161 | } |
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| 162 | |
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| 163 | private void updateTitle(int conflictsCount) { |
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| 164 | if (conflictsCount > 0) { |
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| 165 | setTitle(tr("Conflicts: {0} unresolved", conflicts.size())); |
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| 166 | } else { |
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| 167 | setTitle(tr("Conflict")); |
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| 168 | } |
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| 169 | } |
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| 170 | |
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| 171 | /** |
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| 172 | * Paint all conflicts that can be expressed on the main window. |
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| 173 | */ |
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| 174 | public void paintConflicts(final Graphics g, final NavigatableComponent nc) { |
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| 175 | Color preferencesColor = getColor(); |
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| 176 | if (preferencesColor.equals(Main.pref.getColor(marktr("background"), Color.black))) |
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| 177 | return; |
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| 178 | g.setColor(preferencesColor); |
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| 179 | Visitor conflictPainter = new AbstractVisitor(){ |
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| 180 | public void visit(Node n) { |
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| 181 | Point p = nc.getPoint(n); |
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| 182 | g.drawRect(p.x-1, p.y-1, 2, 2); |
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| 183 | } |
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| 184 | public void visit(Node n1, Node n2) { |
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| 185 | Point p1 = nc.getPoint(n1); |
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| 186 | Point p2 = nc.getPoint(n2); |
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| 187 | g.drawLine(p1.x, p1.y, p2.x, p2.y); |
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| 188 | } |
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| 189 | public void visit(Way w) { |
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| 190 | Node lastN = null; |
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| 191 | for (Node n : w.getNodes()) { |
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| 192 | if (lastN == null) { |
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| 193 | lastN = n; |
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| 194 | continue; |
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| 195 | } |
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| 196 | visit(lastN, n); |
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| 197 | lastN = n; |
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| 198 | } |
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| 199 | } |
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| 200 | public void visit(Relation e) { |
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| 201 | for (RelationMember em : e.getMembers()) { |
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| 202 | em.getMember().visit(this); |
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| 203 | } |
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| 204 | } |
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| 205 | }; |
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| 206 | for (Object o : lstConflicts.getSelectedValues()) { |
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| 207 | if (conflicts == null || !conflicts.hasConflictForMy((OsmPrimitive)o)) { |
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| 208 | continue; |
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| 209 | } |
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| 210 | conflicts.getConflictForMy((OsmPrimitive)o).getTheir().visit(conflictPainter); |
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| 211 | } |
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| 212 | } |
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| 213 | |
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| 214 | public void editLayerChanged(OsmDataLayer oldLayer, OsmDataLayer newLayer) { |
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| 215 | if (oldLayer != null) { |
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| 216 | oldLayer.getConflicts().removeConflictListener(this); |
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| 217 | } |
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| 218 | if (newLayer != null) { |
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| 219 | newLayer.getConflicts().addConflictListener(this); |
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| 220 | } |
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| 221 | refreshView(); |
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| 222 | } |
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| 223 | |
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| 224 | |
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| 225 | /** |
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| 226 | * replies the conflict collection currently held by this dialog; may be null |
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| 227 | * |
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| 228 | * @return the conflict collection currently held by this dialog; may be null |
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| 229 | */ |
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| 230 | public ConflictCollection getConflicts() { |
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| 231 | return conflicts; |
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| 232 | } |
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| 233 | |
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| 234 | /** |
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| 235 | * returns the first selected item of the conflicts list |
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| 236 | * |
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| 237 | * @return Conflict |
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| 238 | */ |
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| 239 | public Conflict<? extends OsmPrimitive> getSelectedConflict() { |
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| 240 | if (conflicts == null || model.getSize() == 0) return null; |
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| 241 | |
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| 242 | int index = lstConflicts.getSelectedIndex(); |
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| 243 | if (index < 0) return null; |
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| 244 | |
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| 245 | return conflicts.get(index); |
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| 246 | } |
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| 247 | |
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| 248 | public void onConflictsAdded(ConflictCollection conflicts) { |
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| 249 | refreshView(); |
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| 250 | } |
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| 251 | |
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| 252 | public void onConflictsRemoved(ConflictCollection conflicts) { |
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| 253 | System.err.println("1 conflict has been resolved."); |
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| 254 | refreshView(); |
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| 255 | } |
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| 256 | |
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| 257 | public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) { |
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| 258 | lstConflicts.clearSelection(); |
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| 259 | for (OsmPrimitive osm : newSelection) { |
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| 260 | if (conflicts != null && conflicts.hasConflictForMy(osm)) { |
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| 261 | int pos = model.indexOf(osm); |
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| 262 | if (pos >= 0) { |
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| 263 | lstConflicts.addSelectionInterval(pos, pos); |
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| 264 | } |
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| 265 | } |
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| 266 | } |
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| 267 | } |
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| 268 | |
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| 269 | @Override |
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| 270 | public String helpTopic() { |
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| 271 | return ht("/Dialog/ConflictList"); |
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| 272 | } |
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| 273 | |
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| 274 | /** |
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| 275 | * The {@see ListModel} for conflicts |
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| 276 | * |
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| 277 | */ |
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| 278 | class ConflictListModel implements ListModel { |
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| 279 | |
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| 280 | private CopyOnWriteArrayList<ListDataListener> listeners; |
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| 281 | |
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| 282 | public ConflictListModel() { |
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| 283 | listeners = new CopyOnWriteArrayList<ListDataListener>(); |
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| 284 | } |
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| 285 | |
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| 286 | public void addListDataListener(ListDataListener l) { |
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| 287 | if (l != null) { |
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| 288 | listeners.addIfAbsent(l); |
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| 289 | } |
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| 290 | } |
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| 291 | |
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| 292 | public void removeListDataListener(ListDataListener l) { |
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| 293 | listeners.remove(l); |
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| 294 | } |
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| 295 | |
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| 296 | protected void fireContentChanged() { |
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| 297 | ListDataEvent evt = new ListDataEvent( |
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| 298 | this, |
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| 299 | ListDataEvent.CONTENTS_CHANGED, |
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| 300 | 0, |
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| 301 | getSize() |
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| 302 | ); |
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| 303 | Iterator<ListDataListener> it = listeners.iterator(); |
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| 304 | while(it.hasNext()) { |
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| 305 | it.next().contentsChanged(evt); |
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| 306 | } |
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| 307 | } |
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| 308 | |
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| 309 | public Object getElementAt(int index) { |
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| 310 | if (index < 0) return null; |
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| 311 | if (index >= getSize()) return null; |
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| 312 | return conflicts.get(index).getMy(); |
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| 313 | } |
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| 314 | |
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| 315 | public int getSize() { |
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| 316 | if (conflicts == null) return 0; |
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| 317 | return conflicts.size(); |
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| 318 | } |
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| 319 | |
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| 320 | public int indexOf(OsmPrimitive my) { |
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| 321 | if (conflicts == null) return -1; |
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| 322 | for (int i=0; i < conflicts.size();i++) { |
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| 323 | if (conflicts.get(i).isMatchingMy(my)) |
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| 324 | return i; |
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| 325 | } |
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| 326 | return -1; |
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| 327 | } |
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| 328 | |
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| 329 | public OsmPrimitive get(int idx) { |
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| 330 | if (conflicts == null) return null; |
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| 331 | return conflicts.get(idx).getMy(); |
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| 332 | } |
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| 333 | } |
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| 334 | |
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| 335 | class ResolveAction extends AbstractAction implements ListSelectionListener { |
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| 336 | public ResolveAction() { |
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| 337 | putValue(NAME, tr("Resolve")); |
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| 338 | putValue(SHORT_DESCRIPTION, tr("Open a merge dialog of all selected items in the list above.")); |
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| 339 | putValue(SMALL_ICON, ImageProvider.get("dialogs", "conflict")); |
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| 340 | putValue("help", ht("/Dialog/ConflictList#ResolveAction")); |
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| 341 | } |
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| 342 | |
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| 343 | public void actionPerformed(ActionEvent e) { |
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| 344 | resolve(); |
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| 345 | } |
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| 346 | |
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| 347 | public void valueChanged(ListSelectionEvent e) { |
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| 348 | ListSelectionModel model = (ListSelectionModel)e.getSource(); |
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| 349 | boolean enabled = model.getMinSelectionIndex() >= 0 |
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| 350 | && model.getMaxSelectionIndex() >= model.getMinSelectionIndex(); |
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| 351 | setEnabled(enabled); |
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| 352 | } |
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| 353 | } |
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| 354 | |
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| 355 | class SelectAction extends AbstractAction implements ListSelectionListener { |
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| 356 | public SelectAction() { |
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| 357 | putValue(NAME, tr("Select")); |
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| 358 | putValue(SHORT_DESCRIPTION, tr("Set the selected elements on the map to the selected items in the list above.")); |
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| 359 | putValue(SMALL_ICON, ImageProvider.get("dialogs", "select")); |
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| 360 | putValue("help", ht("/Dialog/ConflictList#SelectAction")); |
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| 361 | } |
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| 362 | |
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| 363 | public void actionPerformed(ActionEvent e) { |
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| 364 | Collection<OsmPrimitive> sel = new LinkedList<OsmPrimitive>(); |
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| 365 | for (Object o : lstConflicts.getSelectedValues()) { |
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| 366 | sel.add((OsmPrimitive)o); |
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| 367 | } |
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| 368 | Main.main.getCurrentDataSet().setSelected(sel); |
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| 369 | } |
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| 370 | |
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| 371 | public void valueChanged(ListSelectionEvent e) { |
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| 372 | ListSelectionModel model = (ListSelectionModel)e.getSource(); |
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| 373 | boolean enabled = model.getMinSelectionIndex() >= 0 |
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| 374 | && model.getMaxSelectionIndex() >= model.getMinSelectionIndex(); |
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| 375 | setEnabled(enabled); |
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| 376 | } |
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| 377 | } |
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| 378 | |
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| 379 | } |
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