source: josm/trunk/src/org/openstreetmap/josm/actions/PasteAction.java@ 8356

Last change on this file since 8356 was 8061, checked in by bastiK, 9 years ago

see #11096 - strip .png
  • Property svn:eol-style set to native
File size: 8.7 KB
Line 
1// License: GPL. For details, see LICENSE file.
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.MouseInfo;
9import java.awt.Point;
10import java.awt.event.ActionEvent;
11import java.awt.event.KeyEvent;
12import java.util.ArrayList;
13import java.util.HashMap;
14import java.util.List;
15import java.util.Map;
16
17import org.openstreetmap.josm.Main;
18import org.openstreetmap.josm.command.AddPrimitivesCommand;
19import org.openstreetmap.josm.data.coor.EastNorth;
20import org.openstreetmap.josm.data.osm.NodeData;
21import org.openstreetmap.josm.data.osm.OsmPrimitiveType;
22import org.openstreetmap.josm.data.osm.PrimitiveData;
23import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy;
24import org.openstreetmap.josm.data.osm.PrimitiveDeepCopy.PasteBufferChangedListener;
25import org.openstreetmap.josm.data.osm.RelationData;
26import org.openstreetmap.josm.data.osm.RelationMemberData;
27import org.openstreetmap.josm.data.osm.WayData;
28import org.openstreetmap.josm.gui.ExtendedDialog;
29import org.openstreetmap.josm.gui.layer.Layer;
30import org.openstreetmap.josm.tools.Shortcut;
31
32/**
33 * Paste OSM primitives from clipboard to the current edit layer.
34 * @since 404
35 */
36public final class PasteAction extends JosmAction implements PasteBufferChangedListener {
37
38 /**
39 * Constructs a new {@code PasteAction}.
40 */
41 public PasteAction() {
42 super(tr("Paste"), "paste", tr("Paste contents of paste buffer."),
43 Shortcut.registerShortcut("system:paste", tr("Edit: {0}", tr("Paste")), KeyEvent.VK_V, Shortcut.CTRL), true);
44 putValue("help", ht("/Action/Paste"));
45 // CUA shortcut for paste (https://en.wikipedia.org/wiki/IBM_Common_User_Access#Description)
46 Main.registerActionShortcut(this,
47 Shortcut.registerShortcut("system:paste:cua", tr("Edit: {0}", tr("Paste")), KeyEvent.VK_INSERT, Shortcut.SHIFT));
48 Main.pasteBuffer.addPasteBufferChangedListener(this);
49 }
50
51 @Override
52 public void actionPerformed(ActionEvent e) {
53 if (!isEnabled())
54 return;
55 pasteData(Main.pasteBuffer, Main.pasteSource, e);
56 }
57
58 /**
59 * Paste OSM primitives from the given paste buffer and OSM data layer source to the current edit layer.
60 * @param pasteBuffer The paste buffer containing primitive ids to copy
61 * @param source The OSM data layer used to look for primitive ids
62 * @param e The ActionEvent that triggered this operation
63 */
64 public void pasteData(PrimitiveDeepCopy pasteBuffer, Layer source, ActionEvent e) {
65 /* Find the middle of the pasteBuffer area */
66 double maxEast = -1E100, minEast = 1E100, maxNorth = -1E100, minNorth = 1E100;
67 boolean incomplete = false;
68 for (PrimitiveData data : pasteBuffer.getAll()) {
69 if (data instanceof NodeData) {
70 NodeData n = (NodeData)data;
71 if (n.getEastNorth() != null) {
72 double east = n.getEastNorth().east();
73 double north = n.getEastNorth().north();
74 if (east > maxEast) { maxEast = east; }
75 if (east < minEast) { minEast = east; }
76 if (north > maxNorth) { maxNorth = north; }
77 if (north < minNorth) { minNorth = north; }
78 }
79 }
80 if (data.isIncomplete()) {
81 incomplete = true;
82 }
83 }
84
85 // Allow to cancel paste if there are incomplete primitives
86 if (incomplete) {
87 if (!confirmDeleteIncomplete()) return;
88 }
89
90 // default to paste in center of map (pasted via menu or cursor not in MapView)
91 EastNorth mPosition = Main.map.mapView.getCenter();
92 // We previously checked for modifier to know if the action has been trigerred via shortcut or via menu
93 // But this does not work if the shortcut is changed to a single key (see #9055)
94 // Observed behaviour: getActionCommand() returns Action.NAME when triggered via menu, but shortcut text when triggered with it
95 if (e != null && !getValue(NAME).equals(e.getActionCommand())) {
96 final Point mp = MouseInfo.getPointerInfo().getLocation();
97 final Point tl = Main.map.mapView.getLocationOnScreen();
98 final Point pos = new Point(mp.x-tl.x, mp.y-tl.y);
99 if(Main.map.mapView.contains(pos)) {
100 mPosition = Main.map.mapView.getEastNorth(pos.x, pos.y);
101 }
102 }
103
104 double offsetEast = mPosition.east() - (maxEast + minEast)/2.0;
105 double offsetNorth = mPosition.north() - (maxNorth + minNorth)/2.0;
106
107 // Make a copy of pasteBuffer and map from old id to copied data id
108 List<PrimitiveData> bufferCopy = new ArrayList<>();
109 List<PrimitiveData> toSelect = new ArrayList<>();
110 Map<Long, Long> newNodeIds = new HashMap<>();
111 Map<Long, Long> newWayIds = new HashMap<>();
112 Map<Long, Long> newRelationIds = new HashMap<>();
113 for (PrimitiveData data: pasteBuffer.getAll()) {
114 if (data.isIncomplete()) {
115 continue;
116 }
117 PrimitiveData copy = data.makeCopy();
118 copy.clearOsmMetadata();
119 if (data instanceof NodeData) {
120 newNodeIds.put(data.getUniqueId(), copy.getUniqueId());
121 } else if (data instanceof WayData) {
122 newWayIds.put(data.getUniqueId(), copy.getUniqueId());
123 } else if (data instanceof RelationData) {
124 newRelationIds.put(data.getUniqueId(), copy.getUniqueId());
125 }
126 bufferCopy.add(copy);
127 if (pasteBuffer.getDirectlyAdded().contains(data)) {
128 toSelect.add(copy);
129 }
130 }
131
132 // Update references in copied buffer
133 for (PrimitiveData data:bufferCopy) {
134 if (data instanceof NodeData) {
135 NodeData nodeData = (NodeData)data;
136 if (Main.main.getEditLayer() == source) {
137 nodeData.setEastNorth(nodeData.getEastNorth().add(offsetEast, offsetNorth));
138 }
139 } else if (data instanceof WayData) {
140 List<Long> newNodes = new ArrayList<>();
141 for (Long oldNodeId: ((WayData)data).getNodes()) {
142 Long newNodeId = newNodeIds.get(oldNodeId);
143 if (newNodeId != null) {
144 newNodes.add(newNodeId);
145 }
146 }
147 ((WayData)data).setNodes(newNodes);
148 } else if (data instanceof RelationData) {
149 List<RelationMemberData> newMembers = new ArrayList<>();
150 for (RelationMemberData member: ((RelationData)data).getMembers()) {
151 OsmPrimitiveType memberType = member.getMemberType();
152 Long newId = null;
153 switch (memberType) {
154 case NODE:
155 newId = newNodeIds.get(member.getMemberId());
156 break;
157 case WAY:
158 newId = newWayIds.get(member.getMemberId());
159 break;
160 case RELATION:
161 newId = newRelationIds.get(member.getMemberId());
162 break;
163 }
164 if (newId != null) {
165 newMembers.add(new RelationMemberData(member.getRole(), memberType, newId));
166 }
167 }
168 ((RelationData)data).setMembers(newMembers);
169 }
170 }
171
172 /* Now execute the commands to add the duplicated contents of the paste buffer to the map */
173
174 Main.main.undoRedo.add(new AddPrimitivesCommand(bufferCopy, toSelect));
175 Main.map.mapView.repaint();
176 }
177
178 protected boolean confirmDeleteIncomplete() {
179 ExtendedDialog ed = new ExtendedDialog(Main.parent,
180 tr("Delete incomplete members?"),
181 new String[] {tr("Paste without incomplete members"), tr("Cancel")});
182 ed.setButtonIcons(new String[] {"dialogs/relation/deletemembers", "cancel"});
183 ed.setContent(tr("The copied data contains incomplete objects. "
184 + "When pasting the incomplete objects are removed. "
185 + "Do you want to paste the data without the incomplete objects?"));
186 ed.showDialog();
187 return ed.getValue() == 1;
188 }
189
190 @Override
191 protected void updateEnabledState() {
192 if (getCurrentDataSet() == null || Main.pasteBuffer == null) {
193 setEnabled(false);
194 return;
195 }
196 setEnabled(!Main.pasteBuffer.isEmpty());
197 }
198
199 @Override
200 public void pasteBufferChanged(PrimitiveDeepCopy pasteBuffer) {
201 updateEnabledState();
202 }
203}
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