source: josm/trunk/src/org/openstreetmap/josm/actions/PasteAction.java@ 3872

Last change on this file since 3872 was 3384, checked in by jttt, 14 years ago

Support Copy&Paste in relation editor
  • Property svn:eol-style set to native
File size: 7.4 KB
Line 
1// License: GPL. Copyright 2007 by Immanuel Scholz and others
2// Author: David Earl
3package org.openstreetmap.josm.actions;
4
5import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
6import static org.openstreetmap.josm.tools.I18n.tr;
7
8import java.awt.event.ActionEvent;
9import java.awt.event.KeyEvent;
10import java.util.ArrayList;
11import java.util.HashMap;
12import java.util.List;
13import java.util.Map;
14
15import org.openstreetmap.josm.Main;
16import org.openstreetmap.josm.command.AddPrimitivesCommand;
17import org.openstreetmap.josm.data.coor.EastNorth;
18import org.openstreetmap.josm.data.osm.NodeData;
19import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
20import org.openstreetmap.josm.data.osm.PrimitiveData;
21import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy;
22import org.openstreetmap.josm.data.osm.RelationData;
23import org.openstreetmap.josm.data.osm.RelationMemberData;
24import org.openstreetmap.josm.data.osm.WayData;
25import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy.PasteBufferChangedListener;
26import org.openstreetmap.josm.gui.ExtendedDialog;
27import org.openstreetmap.josm.gui.layer.Layer;
28import org.openstreetmap.josm.tools.Shortcut;
29
30public final class PasteAction extends JosmAction implements PasteBufferChangedListener {
31
32 public PasteAction() {
33 super(tr("Paste"), "paste", tr("Paste contents of paste buffer."),
34 Shortcut.registerShortcut("system:paste", tr("Edit: {0}", tr("Paste")), KeyEvent.VK_V, Shortcut.GROUP_MENU), true);
35 putValue("help", ht("/Action/Paste"));
36 Main.pasteBuffer.addPasteBufferChangedListener(this);
37 }
38
39 public void actionPerformed(ActionEvent e) {
40 if (!isEnabled())
41 return;
42 pasteData(Main.pasteBuffer, Main.pasteSource, e);
43 }
44
45 public void pasteData(PrimitiveDeepCopy pasteBuffer, Layer source, ActionEvent e) {
46 /* Find the middle of the pasteBuffer area */
47 double maxEast = -1E100, minEast = 1E100, maxNorth = -1E100, minNorth = 1E100;
48 boolean incomplete = false;
49 for (PrimitiveData data : pasteBuffer.getAll()) {
50 if (data instanceof NodeData) {
51 NodeData n = (NodeData)data;
52 double east = n.getEastNorth().east();
53 double north = n.getEastNorth().north();
54 if (east > maxEast) { maxEast = east; }
55 if (east < minEast) { minEast = east; }
56 if (north > maxNorth) { maxNorth = north; }
57 if (north < minNorth) { minNorth = north; }
58 }
59 if (data.isIncomplete()) {
60 incomplete = true;
61 }
62 }
63
64 // Allow to cancel paste if there are incomplete primitives
65 if (incomplete) {
66 if (!confirmDeleteIncomplete()) return;
67 }
68
69 EastNorth mPosition;
70 if((e.getModifiers() & ActionEvent.CTRL_MASK) ==0){
71 /* adjust the coordinates to the middle of the visible map area */
72 mPosition = Main.map.mapView.getCenter();
73 } else {
74 if (Main.map.mapView.lastMEvent != null) {
75 mPosition = Main.map.mapView.getEastNorth(Main.map.mapView.lastMEvent.getX(), Main.map.mapView.lastMEvent.getY());
76 } else {
77 mPosition = Main.map.mapView.getCenter();
78 }
79 }
80
81 double offsetEast = mPosition.east() - (maxEast + minEast)/2.0;
82 double offsetNorth = mPosition.north() - (maxNorth + minNorth)/2.0;
83
84 // Make a copy of pasteBuffer and map from old id to copied data id
85 List<PrimitiveData> bufferCopy = new ArrayList<PrimitiveData>();
86 Map<Long, Long> newNodeIds = new HashMap<Long, Long>();
87 Map<Long, Long> newWayIds = new HashMap<Long, Long>();
88 Map<Long, Long> newRelationIds = new HashMap<Long, Long>();
89 for (PrimitiveData data: pasteBuffer.getAll()) {
90 if (data.isIncomplete()) {
91 continue;
92 }
93 PrimitiveData copy = data.makeCopy();
94 copy.clearOsmId();
95 if (data instanceof NodeData) {
96 newNodeIds.put(data.getUniqueId(), copy.getUniqueId());
97 } else if (data instanceof WayData) {
98 newWayIds.put(data.getUniqueId(), copy.getUniqueId());
99 } else if (data instanceof RelationData) {
100 newRelationIds.put(data.getUniqueId(), copy.getUniqueId());
101 }
102 bufferCopy.add(copy);
103 }
104
105 // Update references in copied buffer
106 for (PrimitiveData data:bufferCopy) {
107 if (data instanceof NodeData) {
108 NodeData nodeData = (NodeData)data;
109 if (Main.map.mapView.getEditLayer() == source) {
110 nodeData.setEastNorth(nodeData.getEastNorth().add(offsetEast, offsetNorth));
111 }
112 } else if (data instanceof WayData) {
113 List<Long> newNodes = new ArrayList<Long>();
114 for (Long oldNodeId: ((WayData)data).getNodes()) {
115 Long newNodeId = newNodeIds.get(oldNodeId);
116 if (newNodeId != null) {
117 newNodes.add(newNodeId);
118 }
119 }
120 ((WayData)data).setNodes(newNodes);
121 } else if (data instanceof RelationData) {
122 List<RelationMemberData> newMembers = new ArrayList<RelationMemberData>();
123 for (RelationMemberData member: ((RelationData)data).getMembers()) {
124 OsmPrimitiveType memberType = member.getMemberType();
125 Long newId = null;
126 switch (memberType) {
127 case NODE:
128 newId = newNodeIds.get(member.getMemberId());
129 break;
130 case WAY:
131 newId = newWayIds.get(member.getMemberId());
132 break;
133 case RELATION:
134 newId = newRelationIds.get(member.getMemberId());
135 break;
136 }
137 if (newId != null) {
138 newMembers.add(new RelationMemberData(member.getRole(), memberType, newId));
139 }
140 }
141 ((RelationData)data).setMembers(newMembers);
142 }
143 }
144
145 /* Now execute the commands to add the duplicated contents of the paste buffer to the map */
146
147 Main.main.undoRedo.add(new AddPrimitivesCommand(bufferCopy));
148 Main.map.mapView.repaint();
149 }
150
151 protected boolean confirmDeleteIncomplete() {
152 ExtendedDialog ed = new ExtendedDialog(Main.parent,
153 tr("Delete incomplete members?"),
154 new String[] {tr("Paste without incomplete members"), tr("Cancel")});
155 ed.setButtonIcons(new String[] {"dialogs/relation/deletemembers.png", "cancel.png"});
156 ed.setContent(tr("The copied data contains incomplete primitives. "
157 + "When pasting the incomplete primitives are removed. "
158 + "Do you want to paste the data without the incomplete primitives?"));
159 ed.showDialog();
160 return ed.getValue() == 1;
161 }
162
163 @Override
164 protected void updateEnabledState() {
165 if (getCurrentDataSet() == null || Main.pasteBuffer == null) {
166 setEnabled(false);
167 return;
168 }
169 setEnabled(!Main.pasteBuffer.isEmpty());
170 }
171
172 @Override
173 public void pasteBufferChanged(PrimitiveDeepCopy pasteBuffer) {
174 updateEnabledState();
175 }
176}
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