1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
|
---|
2 | package org.openstreetmap.josm.actions.mapmode;
|
---|
3 |
|
---|
4 | import static org.openstreetmap.josm.tools.I18n.tr;
|
---|
5 |
|
---|
6 | import java.awt.event.ActionEvent;
|
---|
7 | import java.awt.event.InputEvent;
|
---|
8 | import java.awt.event.KeyEvent;
|
---|
9 | import java.awt.event.MouseEvent;
|
---|
10 | import java.util.Collections;
|
---|
11 |
|
---|
12 | import org.openstreetmap.josm.Main;
|
---|
13 | import org.openstreetmap.josm.command.Command;
|
---|
14 | import org.openstreetmap.josm.command.DeleteCommand;
|
---|
15 | import org.openstreetmap.josm.data.osm.DataSet;
|
---|
16 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
|
---|
17 | import org.openstreetmap.josm.data.osm.Relation;
|
---|
18 | import org.openstreetmap.josm.data.osm.WaySegment;
|
---|
19 | import org.openstreetmap.josm.gui.MapFrame;
|
---|
20 | import org.openstreetmap.josm.gui.dialogs.relation.RelationDialogManager;
|
---|
21 | import org.openstreetmap.josm.gui.layer.Layer;
|
---|
22 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
|
---|
23 | import org.openstreetmap.josm.tools.ImageProvider;
|
---|
24 | import org.openstreetmap.josm.tools.Shortcut;
|
---|
25 |
|
---|
26 | /**
|
---|
27 | * An action that enables the user to delete nodes and other objects.
|
---|
28 | *
|
---|
29 | * The user can click on an object, which gets deleted if possible. When Ctrl is
|
---|
30 | * pressed when releasing the button, the objects and all its references are
|
---|
31 | * deleted.
|
---|
32 | *
|
---|
33 | * If the user did not press Ctrl and the object has any references, the user
|
---|
34 | * is informed and nothing is deleted.
|
---|
35 | *
|
---|
36 | * If the user enters the mapmode and any object is selected, all selected
|
---|
37 | * objects that can be deleted will.
|
---|
38 | *
|
---|
39 | * @author imi
|
---|
40 | */
|
---|
41 | public class DeleteAction extends MapMode {
|
---|
42 |
|
---|
43 | /**
|
---|
44 | * Construct a new DeleteAction. Mnemonic is the delete - key.
|
---|
45 | * @param mapFrame The frame this action belongs to.
|
---|
46 | */
|
---|
47 | public DeleteAction(MapFrame mapFrame) {
|
---|
48 | super(tr("Delete Mode"),
|
---|
49 | "delete",
|
---|
50 | tr("Delete nodes or ways."),
|
---|
51 | Shortcut.registerShortcut("mapmode:delete", tr("Mode: {0}",tr("Delete")), KeyEvent.VK_D, Shortcut.GROUP_EDIT),
|
---|
52 | mapFrame,
|
---|
53 | ImageProvider.getCursor("normal", "delete"));
|
---|
54 | }
|
---|
55 |
|
---|
56 | @Override public void enterMode() {
|
---|
57 | super.enterMode();
|
---|
58 | if (!isEnabled())
|
---|
59 | return;
|
---|
60 | Main.map.mapView.addMouseListener(this);
|
---|
61 | }
|
---|
62 |
|
---|
63 | @Override public void exitMode() {
|
---|
64 | super.exitMode();
|
---|
65 | Main.map.mapView.removeMouseListener(this);
|
---|
66 | }
|
---|
67 |
|
---|
68 |
|
---|
69 | @Override public void actionPerformed(ActionEvent e) {
|
---|
70 | super.actionPerformed(e);
|
---|
71 | if(!Main.map.mapView.isActiveLayerDrawable())
|
---|
72 | return;
|
---|
73 | doActionPerformed(e);
|
---|
74 | }
|
---|
75 |
|
---|
76 | public void doActionPerformed(ActionEvent e) {
|
---|
77 | if(!Main.map.mapView.isActiveLayerDrawable())
|
---|
78 | return;
|
---|
79 | boolean ctrl = (e.getModifiers() & ActionEvent.CTRL_MASK) != 0;
|
---|
80 | boolean alt = (e.getModifiers() & (ActionEvent.ALT_MASK|InputEvent.ALT_GRAPH_MASK)) != 0;
|
---|
81 |
|
---|
82 | Command c;
|
---|
83 | if (ctrl) {
|
---|
84 | c = DeleteCommand.deleteWithReferences(getEditLayer(),getCurrentDataSet().getSelected());
|
---|
85 | } else {
|
---|
86 | c = DeleteCommand.delete(getEditLayer(),getCurrentDataSet().getSelected(), !alt);
|
---|
87 | }
|
---|
88 | if (c != null) {
|
---|
89 | Main.main.undoRedo.add(c);
|
---|
90 | }
|
---|
91 |
|
---|
92 | getCurrentDataSet().setSelected();
|
---|
93 | Main.map.repaint();
|
---|
94 | }
|
---|
95 |
|
---|
96 | /**
|
---|
97 | * If user clicked with the left button, delete the nearest object.
|
---|
98 | * position.
|
---|
99 | */
|
---|
100 | @Override public void mouseClicked(MouseEvent e) {
|
---|
101 | if (e.getButton() != MouseEvent.BUTTON1)
|
---|
102 | return;
|
---|
103 | if(!Main.map.mapView.isActiveLayerVisible())
|
---|
104 | return;
|
---|
105 | boolean ctrl = (e.getModifiers() & ActionEvent.CTRL_MASK) != 0;
|
---|
106 | boolean shift = (e.getModifiers() & ActionEvent.SHIFT_MASK) != 0;
|
---|
107 | boolean alt = (e.getModifiers() & (ActionEvent.ALT_MASK|InputEvent.ALT_GRAPH_MASK)) != 0;
|
---|
108 |
|
---|
109 | OsmPrimitive sel = Main.map.mapView.getNearestNode(e.getPoint());
|
---|
110 | Command c = null;
|
---|
111 | if (sel == null) {
|
---|
112 | WaySegment ws = Main.map.mapView.getNearestWaySegment(e.getPoint());
|
---|
113 | if (ws != null) {
|
---|
114 | if (shift) {
|
---|
115 | c = DeleteCommand.deleteWaySegment(getEditLayer(),ws);
|
---|
116 | } else if (ctrl) {
|
---|
117 | c = DeleteCommand.deleteWithReferences(getEditLayer(),Collections.singleton((OsmPrimitive)ws.way));
|
---|
118 | } else {
|
---|
119 | c = DeleteCommand.delete(getEditLayer(),Collections.singleton((OsmPrimitive)ws.way), !alt);
|
---|
120 | }
|
---|
121 | }
|
---|
122 | } else if (ctrl) {
|
---|
123 | c = DeleteCommand.deleteWithReferences(getEditLayer(),Collections.singleton(sel));
|
---|
124 | } else {
|
---|
125 | c = DeleteCommand.delete(getEditLayer(),Collections.singleton(sel), !alt);
|
---|
126 | }
|
---|
127 | if (c != null) {
|
---|
128 | Main.main.undoRedo.add(c);
|
---|
129 | }
|
---|
130 |
|
---|
131 | getCurrentDataSet().setSelected();
|
---|
132 | Main.map.mapView.repaint();
|
---|
133 | }
|
---|
134 |
|
---|
135 | @Override public String getModeHelpText() {
|
---|
136 | return tr("Click to delete. Shift: delete way segment. Alt: don't delete unused nodes when deleting a way. Ctrl: delete referring objects.");
|
---|
137 | }
|
---|
138 |
|
---|
139 | @Override public boolean layerIsSupported(Layer l) {
|
---|
140 | return l instanceof OsmDataLayer;
|
---|
141 | }
|
---|
142 |
|
---|
143 | @Override
|
---|
144 | protected void updateEnabledState() {
|
---|
145 | setEnabled(Main.map != null && Main.map.mapView != null && Main.map.mapView.isActiveLayerDrawable());
|
---|
146 | }
|
---|
147 |
|
---|
148 | /**
|
---|
149 | * Deletes the relation in the context of the given layer. Also notifies
|
---|
150 | * {@see RelationDialogManager} and {@see OsmDataLayer#fireDataChange()} events.
|
---|
151 | *
|
---|
152 | * @param layer the layer in whose context the relation is deleted. Must not be null.
|
---|
153 | * @param toDelete the relation to be deleted. Must not be null.
|
---|
154 | * @exception IllegalArgumentException thrown if layer is null
|
---|
155 | * @exception IllegalArgumentException thrown if toDelete is nul
|
---|
156 | */
|
---|
157 | public static void deleteRelation(OsmDataLayer layer, Relation toDelete) {
|
---|
158 | if (layer == null)
|
---|
159 | throw new IllegalArgumentException(tr("parameter ''{0}'' must not be null", "layer"));
|
---|
160 | if (toDelete == null)
|
---|
161 | throw new IllegalArgumentException(tr("parameter ''{0}'' must not be null", "toDelete"));
|
---|
162 | if (toDelete == null)
|
---|
163 | return;
|
---|
164 | Command cmd = DeleteCommand.delete(layer, Collections.singleton(toDelete));
|
---|
165 | if (cmd != null) {
|
---|
166 | // cmd can be null if the user cancels dialogs DialogCommand displays
|
---|
167 | //
|
---|
168 | Main.main.undoRedo.add(cmd);
|
---|
169 | RelationDialogManager.getRelationDialogManager().close(layer, toDelete);
|
---|
170 | layer.fireDataChange();
|
---|
171 | }
|
---|
172 | }
|
---|
173 | }
|
---|