1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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2 | package org.openstreetmap.josm.actions.mapmode;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 | import static org.openstreetmap.josm.tools.I18n.trn;
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6 |
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7 | import java.awt.Cursor;
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8 | import java.awt.Point;
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9 | import java.awt.Rectangle;
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10 | import java.awt.event.ActionEvent;
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11 | import java.awt.event.InputEvent;
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12 | import java.awt.event.KeyEvent;
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13 | import java.awt.event.MouseEvent;
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14 | import java.util.ArrayList;
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15 | import java.util.Collection;
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16 | import java.util.Collections;
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17 | import java.util.HashSet;
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18 | import java.util.LinkedList;
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19 | import java.util.List;
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20 | import java.util.Set;
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21 | import java.util.TreeSet;
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22 |
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23 | import javax.swing.JOptionPane;
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24 |
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25 | import org.openstreetmap.josm.Main;
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26 | import org.openstreetmap.josm.actions.MergeNodesAction;
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27 | import org.openstreetmap.josm.command.AddCommand;
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28 | import org.openstreetmap.josm.command.ChangeCommand;
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29 | import org.openstreetmap.josm.command.Command;
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30 | import org.openstreetmap.josm.command.MoveCommand;
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31 | import org.openstreetmap.josm.command.RotateCommand;
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32 | import org.openstreetmap.josm.command.SequenceCommand;
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33 | import org.openstreetmap.josm.data.coor.EastNorth;
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34 | import org.openstreetmap.josm.data.osm.DataSet;
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35 | import org.openstreetmap.josm.data.osm.Node;
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36 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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37 | import org.openstreetmap.josm.data.osm.Way;
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38 | import org.openstreetmap.josm.data.osm.WaySegment;
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39 | import org.openstreetmap.josm.data.osm.visitor.AllNodesVisitor;
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40 | import org.openstreetmap.josm.data.osm.visitor.paint.SimplePaintVisitor;
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41 | import org.openstreetmap.josm.gui.ExtendedDialog;
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42 | import org.openstreetmap.josm.gui.MapFrame;
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43 | import org.openstreetmap.josm.gui.MapView;
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44 | import org.openstreetmap.josm.gui.SelectionManager;
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45 | import org.openstreetmap.josm.gui.SelectionManager.SelectionEnded;
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46 | import org.openstreetmap.josm.gui.layer.Layer;
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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.PlatformHookOsx;
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50 | import org.openstreetmap.josm.tools.Shortcut;
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51 |
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52 | /**
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53 | * Move is an action that can move all kind of OsmPrimitives (except keys for now).
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54 | *
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55 | * If an selected object is under the mouse when dragging, move all selected objects.
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56 | * If an unselected object is under the mouse when dragging, it becomes selected
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57 | * and will be moved.
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58 | * If no object is under the mouse, move all selected objects (if any)
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59 | *
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60 | * @author imi
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61 | */
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62 | public class SelectAction extends MapMode implements SelectionEnded {
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63 | //static private final Logger logger = Logger.getLogger(SelectAction.class.getName());
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64 |
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65 | /**
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66 | * Replies true if we are currently running on OSX
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67 | *
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68 | * @return true if we are currently running on OSX
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69 | */
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70 | public static boolean isPlatformOsx() {
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71 | return Main.platform != null
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72 | && Main.platform instanceof PlatformHookOsx;
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73 | }
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74 |
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75 | enum Mode { move, rotate, select }
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76 | private Mode mode = null;
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77 | private long mouseDownTime = 0;
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78 | private boolean didMove = false;
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79 | private boolean cancelDrawMode = false;
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80 | private Node virtualNode = null;
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81 | private Collection<WaySegment> virtualWays = new ArrayList<WaySegment>();
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82 |
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83 | /**
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84 | * The old cursor before the user pressed the mouse button.
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85 | */
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86 | private Cursor oldCursor;
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87 | /**
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88 | * The position of the mouse before the user moves a node.
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89 | */
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90 | private Point mousePos;
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91 | private SelectionManager selectionManager;
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92 |
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93 | /**
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94 | * The time which needs to pass between click and release before something
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95 | * counts as a move, in milliseconds
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96 | */
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97 | private int initialMoveDelay;
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98 |
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99 | /**
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100 | * The screen distance which needs to be travelled before something
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101 | * counts as a move, in pixels
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102 | */
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103 | private int initialMoveThreshold;
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104 | private boolean initialMoveThresholdExceeded = false;
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105 | /**
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106 | * Create a new SelectAction
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107 | * @param mapFrame The MapFrame this action belongs to.
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108 | */
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109 | public SelectAction(MapFrame mapFrame) {
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110 | super(tr("Select"), "move/move", tr("Select, move and rotate objects"),
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111 | Shortcut.registerShortcut("mapmode:select", tr("Mode: {0}", tr("Select")), KeyEvent.VK_S, Shortcut.GROUP_EDIT),
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112 | mapFrame,
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113 | getCursor("normal", "selection", Cursor.DEFAULT_CURSOR));
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114 | putValue("help", "Action/Move/Move");
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115 | selectionManager = new SelectionManager(this, false, mapFrame.mapView);
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116 | initialMoveDelay = Main.pref.getInteger("edit.initial-move-delay",200);
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117 | initialMoveThreshold = Main.pref.getInteger("edit.initial-move-threshold",5);
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118 | }
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119 |
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120 | private static Cursor getCursor(String name, String mod, int def) {
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121 | try {
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122 | return ImageProvider.getCursor(name, mod);
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123 | } catch (Exception e) {
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124 | }
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125 | return Cursor.getPredefinedCursor(def);
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126 | }
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127 |
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128 | private void setCursor(Cursor c) {
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129 | if (oldCursor == null) {
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130 | oldCursor = Main.map.mapView.getCursor();
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131 | Main.map.mapView.setCursor(c);
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132 | }
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133 | }
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134 |
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135 | private void restoreCursor() {
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136 | if (oldCursor != null) {
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137 | Main.map.mapView.setCursor(oldCursor);
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138 | oldCursor = null;
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139 | }
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140 | }
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141 |
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142 | @Override public void enterMode() {
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143 | super.enterMode();
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144 | Main.map.mapView.addMouseListener(this);
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145 | Main.map.mapView.addMouseMotionListener(this);
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146 | Main.map.mapView.setVirtualNodesEnabled(
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147 | Main.pref.getInteger("mappaint.node.virtual-size", 8) != 0);
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148 | }
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149 |
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150 | @Override public void exitMode() {
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151 | super.exitMode();
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152 | selectionManager.unregister(Main.map.mapView);
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153 | Main.map.mapView.removeMouseListener(this);
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154 | Main.map.mapView.removeMouseMotionListener(this);
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155 | Main.map.mapView.setVirtualNodesEnabled(false);
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156 | }
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157 |
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158 | /**
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159 | * If the left mouse button is pressed, move all currently selected
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160 | * objects (if one of them is under the mouse) or the current one under the
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161 | * mouse (which will become selected).
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162 | */
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163 | @Override public void mouseDragged(MouseEvent e) {
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164 | if(!Main.map.mapView.isActiveLayerVisible())
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165 | return;
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166 |
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167 | cancelDrawMode = true;
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168 | if (mode == Mode.select) return;
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169 |
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170 | // do not count anything as a move if it lasts less than 100 milliseconds.
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171 | if ((mode == Mode.move) && (System.currentTimeMillis() - mouseDownTime < initialMoveDelay)) return;
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172 |
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173 | if(mode != Mode.rotate) // button is pressed in rotate mode
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174 | if ((e.getModifiersEx() & MouseEvent.BUTTON1_DOWN_MASK) == 0)
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175 | return;
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176 |
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177 | if (mode == Mode.move) {
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178 | setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
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179 | }
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180 |
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181 | if (mousePos == null) {
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182 | mousePos = e.getPoint();
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183 | return;
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184 | }
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185 |
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186 | if (!initialMoveThresholdExceeded) {
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187 | int dxp = mousePos.x - e.getX();
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188 | int dyp = mousePos.y - e.getY();
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189 | int dp = (int) Math.sqrt(dxp*dxp+dyp*dyp);
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190 | if (dp < initialMoveThreshold) return;
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191 | initialMoveThresholdExceeded = true;
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192 | }
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193 |
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194 | EastNorth mouseEN = Main.map.mapView.getEastNorth(e.getX(), e.getY());
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195 | EastNorth mouseStartEN = Main.map.mapView.getEastNorth(mousePos.x, mousePos.y);
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196 | double dx = mouseEN.east() - mouseStartEN.east();
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197 | double dy = mouseEN.north() - mouseStartEN.north();
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198 | if (dx == 0 && dy == 0)
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199 | return;
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200 |
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201 | if (virtualWays.size() > 0) {
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202 | Collection<Command> virtualCmds = new LinkedList<Command>();
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203 | virtualCmds.add(new AddCommand(virtualNode));
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204 | for (WaySegment virtualWay : virtualWays) {
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205 | Way w = virtualWay.way;
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206 | Way wnew = new Way(w);
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207 | wnew.addNode(virtualWay.lowerIndex+1, virtualNode);
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208 | virtualCmds.add(new ChangeCommand(w, wnew));
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209 | }
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210 | virtualCmds.add(new MoveCommand(virtualNode, dx, dy));
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211 | String text = trn("Add and move a virtual new node to way",
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212 | "Add and move a virtual new node to {0} ways", virtualWays.size(),
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213 | virtualWays.size());
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214 | Main.main.undoRedo.add(new SequenceCommand(text, virtualCmds));
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215 | selectPrims(Collections.singleton((OsmPrimitive)virtualNode), false, false, false, false);
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216 | virtualWays.clear();
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217 | virtualNode = null;
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218 | } else {
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219 | // Currently we support moving and rotating, which do not affect relations.
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220 | // So don't add them in the first place to make handling easier
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221 | Collection<OsmPrimitive> selection = getCurrentDataSet().getSelectedNodesAndWays();
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222 | Collection<Node> affectedNodes = AllNodesVisitor.getAllNodes(selection);
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223 |
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224 | // when rotating, having only one node makes no sense - quit silently
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225 | if (mode == Mode.rotate && affectedNodes.size() < 2)
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226 | return;
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227 |
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228 | Command c = !Main.main.undoRedo.commands.isEmpty()
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229 | ? Main.main.undoRedo.commands.getLast() : null;
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230 | if (c instanceof SequenceCommand) {
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231 | c = ((SequenceCommand)c).getLastCommand();
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232 | }
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233 |
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234 | if (mode == Mode.move) {
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235 | if (c instanceof MoveCommand && affectedNodes.equals(((MoveCommand)c).getMovedNodes())) {
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236 | ((MoveCommand)c).moveAgain(dx,dy);
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237 | } else {
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238 | Main.main.undoRedo.add(
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239 | c = new MoveCommand(selection, dx, dy));
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240 | }
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241 |
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242 | for (Node n : affectedNodes) {
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243 | if (n.getCoor().isOutSideWorld()) {
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244 | // Revert move
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245 | ((MoveCommand) c).moveAgain(-dx, -dy);
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246 |
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247 | JOptionPane.showMessageDialog(
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248 | Main.parent,
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249 | tr("Cannot move objects outside of the world."),
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250 | tr("Warning"),
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251 | JOptionPane.WARNING_MESSAGE
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252 |
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253 | );
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254 | restoreCursor();
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255 | return;
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256 | }
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257 | }
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258 | } else if (mode == Mode.rotate) {
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259 | if (c instanceof RotateCommand && affectedNodes.equals(((RotateCommand)c).getRotatedNodes())) {
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260 | ((RotateCommand)c).rotateAgain(mouseStartEN, mouseEN);
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261 | } else {
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262 | Main.main.undoRedo.add(new RotateCommand(selection, mouseStartEN, mouseEN));
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263 | }
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264 | }
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265 | }
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266 |
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267 | Main.map.mapView.repaint();
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268 | mousePos = e.getPoint();
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269 |
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270 | didMove = true;
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271 | }
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272 |
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273 | @Override public void mouseMoved(MouseEvent e) {
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274 | // Mac OSX simulates with ctrl + mouse 1 the second mouse button hence no dragging events get fired.
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275 | //
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276 | if (isPlatformOsx() && mode == Mode.rotate) {
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277 | mouseDragged(e);
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278 | }
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279 | }
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280 |
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281 | private Collection<OsmPrimitive> getNearestCollectionVirtual(Point p, boolean allSegements) {
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282 | MapView c = Main.map.mapView;
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283 | int snapDistance = Main.pref.getInteger("mappaint.node.virtual-snap-distance", 8);
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284 | snapDistance *= snapDistance;
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285 | OsmPrimitive osm = c.getNearestNode(p, OsmPrimitive.isSelectablePredicate);
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286 | virtualWays.clear();
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287 | virtualNode = null;
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288 | Node virtualWayNode = null;
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289 |
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290 | if (osm == null)
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291 | {
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292 | Collection<WaySegment> nearestWaySegs = allSegements
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293 | ? c.getNearestWaySegments(p, OsmPrimitive.isSelectablePredicate)
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294 | : Collections.singleton(c.getNearestWaySegment(p, OsmPrimitive.isSelectablePredicate));
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295 |
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296 | for(WaySegment nearestWS : nearestWaySegs) {
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297 | if (nearestWS == null) {
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298 | continue;
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299 | }
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300 |
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301 | osm = nearestWS.way;
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302 | if(Main.pref.getInteger("mappaint.node.virtual-size", 8) > 0)
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303 | {
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304 | Way w = (Way)osm;
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305 | Point p1 = c.getPoint(w.getNode(nearestWS.lowerIndex));
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306 | Point p2 = c.getPoint(w.getNode(nearestWS.lowerIndex+1));
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307 | if(SimplePaintVisitor.isLargeSegment(p1, p2, Main.pref.getInteger("mappaint.node.virtual-space", 70)))
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308 | {
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309 | Point pc = new Point((p1.x+p2.x)/2, (p1.y+p2.y)/2);
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310 | if (p.distanceSq(pc) < snapDistance)
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311 | {
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312 | // Check that only segments on top of each other get added to the
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313 | // virtual ways list. Otherwise ways that coincidentally have their
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314 | // virtual node at the same spot will be joined which is likely unwanted
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315 | if(virtualWayNode != null) {
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316 | if( !w.getNode(nearestWS.lowerIndex+1).equals(virtualWayNode)
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317 | && !w.getNode(nearestWS.lowerIndex).equals(virtualWayNode)) {
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318 | continue;
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319 | }
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320 | } else {
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321 | virtualWayNode = w.getNode(nearestWS.lowerIndex+1);
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322 | }
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323 |
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324 | virtualWays.add(nearestWS);
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325 | if(virtualNode == null) {
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326 | virtualNode = new Node(Main.map.mapView.getLatLon(pc.x, pc.y));
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327 | }
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328 | }
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329 | }
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330 | }
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331 | }
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332 | }
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333 | if (osm == null)
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334 | return Collections.emptySet();
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335 | return Collections.singleton(osm);
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336 | }
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337 |
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338 | /**
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339 | * Look, whether any object is selected. If not, select the nearest node.
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340 | * If there are no nodes in the dataset, do nothing.
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341 | *
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342 | * If the user did not press the left mouse button, do nothing.
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343 | *
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344 | * Also remember the starting position of the movement and change the mouse
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345 | * cursor to movement.
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346 | */
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347 | @Override public void mousePressed(MouseEvent e) {
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348 | if(!Main.map.mapView.isActiveLayerVisible())
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349 | return;
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350 | // request focus in order to enable the expected keyboard shortcuts
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351 | //
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352 | Main.map.mapView.requestFocus();
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353 |
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354 | cancelDrawMode = false;
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355 | if (! (Boolean)this.getValue("active")) return;
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356 | if (e.getButton() != MouseEvent.BUTTON1)
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357 | return;
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358 | boolean ctrl = (e.getModifiers() & ActionEvent.CTRL_MASK) != 0;
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359 | boolean alt = (e.getModifiers() & (ActionEvent.ALT_MASK|InputEvent.ALT_GRAPH_MASK)) != 0;
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360 | boolean shift = (e.getModifiers() & ActionEvent.SHIFT_MASK) != 0;
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361 |
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362 | // We don't want to change to draw tool if the user tries to (de)select
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363 | // stuff but accidentally clicks in an empty area when selection is empty
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364 | if(shift || ctrl) {
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365 | cancelDrawMode = true;
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366 | }
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367 |
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368 | mouseDownTime = System.currentTimeMillis();
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369 | didMove = false;
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370 | initialMoveThresholdExceeded = false;
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371 |
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372 | Collection<OsmPrimitive> osmColl = getNearestCollectionVirtual(e.getPoint(), alt);
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373 |
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374 | if (ctrl && shift) {
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375 | if (getCurrentDataSet().getSelected().isEmpty()) {
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376 | selectPrims(osmColl, true, false, false, false);
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377 | }
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378 | mode = Mode.rotate;
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379 | setCursor(ImageProvider.getCursor("rotate", null));
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380 | } else if (!osmColl.isEmpty()) {
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381 | // Don't replace the selection now if the user clicked on a
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382 | // selected object (this would break moving of selected groups).
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383 | // We'll do that later in mouseReleased if the user didn't try to
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384 | // move.
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385 | selectPrims(osmColl,
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386 | shift || getCurrentDataSet().getSelected().containsAll(osmColl),
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387 | ctrl, false, false);
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388 | mode = Mode.move;
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389 | } else {
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390 | mode = Mode.select;
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391 | oldCursor = Main.map.mapView.getCursor();
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392 | selectionManager.register(Main.map.mapView);
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393 | selectionManager.mousePressed(e);
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394 | }
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395 | if(mode != Mode.move || shift || ctrl)
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396 | {
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397 | virtualNode = null;
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398 | virtualWays.clear();
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399 | }
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400 |
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401 | updateStatusLine();
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402 | // Mode.select redraws when selectPrims is called
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403 | // Mode.move redraws when mouseDragged is called
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404 | // Mode.rotate redraws here
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405 | if(mode == Mode.rotate) {
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406 | Main.map.mapView.repaint();
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407 | }
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408 |
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409 | mousePos = e.getPoint();
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410 | }
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411 |
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412 | /**
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413 | * Restore the old mouse cursor.
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414 | */
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415 | @Override public void mouseReleased(MouseEvent e) {
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416 | if(!Main.map.mapView.isActiveLayerVisible())
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417 | return;
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418 |
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419 | if (mode == Mode.select) {
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420 | selectionManager.unregister(Main.map.mapView);
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421 |
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422 | // Select Draw Tool if no selection has been made
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423 | if(getCurrentDataSet().getSelected().size() == 0 && !cancelDrawMode) {
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424 | Main.map.selectDrawTool(true);
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425 | return;
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426 | }
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427 | }
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428 | restoreCursor();
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429 |
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430 | if (mode == Mode.move) {
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431 | boolean ctrl = (e.getModifiers() & ActionEvent.CTRL_MASK) != 0;
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432 | boolean shift = (e.getModifiers() & ActionEvent.SHIFT_MASK) != 0;
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433 | if (!didMove) {
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434 | selectPrims(
|
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435 | Main.map.mapView.getNearestCollection(e.getPoint(), OsmPrimitive.isSelectablePredicate),
|
---|
436 | shift, ctrl, true, false);
|
---|
437 |
|
---|
438 | // If the user double-clicked a node, change to draw mode
|
---|
439 | List<OsmPrimitive> sel = new ArrayList<OsmPrimitive>(getCurrentDataSet().getSelected());
|
---|
440 | if(e.getClickCount() >=2 && sel.size() == 1 && sel.get(0) instanceof Node) {
|
---|
441 | // We need to do it like this as otherwise drawAction will see a double
|
---|
442 | // click and switch back to SelectMode
|
---|
443 | Main.worker.execute(new Runnable(){
|
---|
444 | public void run() {
|
---|
445 | Main.map.selectDrawTool(true);
|
---|
446 | }
|
---|
447 | });
|
---|
448 | return;
|
---|
449 | }
|
---|
450 | } else {
|
---|
451 | Collection<OsmPrimitive> selection = getCurrentDataSet().getSelected();
|
---|
452 | Collection<OsmPrimitive> s = new TreeSet<OsmPrimitive>();
|
---|
453 | int max = Main.pref.getInteger("warn.move.maxelements", 20);
|
---|
454 | for (OsmPrimitive osm : selection)
|
---|
455 | {
|
---|
456 | if(osm instanceof Node) {
|
---|
457 | s.add(osm);
|
---|
458 | } else if(osm instanceof Way)
|
---|
459 | {
|
---|
460 | s.add(osm);
|
---|
461 | s.addAll(((Way)osm).getNodes());
|
---|
462 | }
|
---|
463 | if(s.size() > max)
|
---|
464 | {
|
---|
465 | ExtendedDialog ed = new ExtendedDialog(
|
---|
466 | Main.parent,
|
---|
467 | tr("Move elements"),
|
---|
468 | new String[] {tr("Move them"), tr("Undo move")});
|
---|
469 | ed.setButtonIcons(new String[] {"reorder.png", "cancel.png"});
|
---|
470 | ed.setContent(tr("You moved more than {0} elements. "
|
---|
471 | + "Moving a large number of elements is often an error.\n"
|
---|
472 | + "Really move them?", max));
|
---|
473 | ed.toggleEnable("movedManyElements");
|
---|
474 | ed.showDialog();
|
---|
475 |
|
---|
476 | if(ed.getValue() != 1)
|
---|
477 | {
|
---|
478 | Main.main.undoRedo.undo();
|
---|
479 | }
|
---|
480 | break;
|
---|
481 | }
|
---|
482 | }
|
---|
483 | if (ctrl) {
|
---|
484 | Collection<Node> affectedNodes = OsmPrimitive.getFilteredSet(selection, Node.class);
|
---|
485 | Collection<Node> nn = Main.map.mapView.getNearestNodes(e.getPoint(), affectedNodes, OsmPrimitive.isSelectablePredicate);
|
---|
486 | if (nn != null) {
|
---|
487 | Node targetNode = nn.iterator().next();
|
---|
488 | Set<Node> nodesToMerge = new HashSet<Node>(affectedNodes);
|
---|
489 | nodesToMerge.add(targetNode);
|
---|
490 | if (!nodesToMerge.isEmpty()) {
|
---|
491 | Command cmd = MergeNodesAction.mergeNodes(Main.main.getEditLayer(),nodesToMerge, targetNode);
|
---|
492 | if(cmd != null)
|
---|
493 | Main.main.undoRedo.add(cmd);
|
---|
494 | }
|
---|
495 | }
|
---|
496 | }
|
---|
497 | getCurrentDataSet().fireSelectionChanged();
|
---|
498 | }
|
---|
499 | }
|
---|
500 |
|
---|
501 | // I don't see why we need this.
|
---|
502 | //updateStatusLine();
|
---|
503 | mode = null;
|
---|
504 | updateStatusLine();
|
---|
505 | }
|
---|
506 |
|
---|
507 | public void selectionEnded(Rectangle r, boolean alt, boolean shift, boolean ctrl) {
|
---|
508 | selectPrims(selectionManager.getObjectsInRectangle(r, alt), shift, ctrl, true, true);
|
---|
509 | }
|
---|
510 |
|
---|
511 | public void selectPrims(Collection<OsmPrimitive> selectionList, boolean shift,
|
---|
512 | boolean ctrl, boolean released, boolean area) {
|
---|
513 | DataSet ds = getCurrentDataSet();
|
---|
514 | if ((shift && ctrl) || (ctrl && !released))
|
---|
515 | return; // not allowed together
|
---|
516 |
|
---|
517 | // plain clicks with no modifiers clear the selection
|
---|
518 | if (!ctrl && !shift) {
|
---|
519 | ds.clearSelection();
|
---|
520 | }
|
---|
521 |
|
---|
522 | if (ctrl) {
|
---|
523 | // Ctrl on an item toggles its selection status,
|
---|
524 | // but Ctrl on an *area* just clears those items
|
---|
525 | // out of the selection.
|
---|
526 | if (area) {
|
---|
527 | ds.clearSelection(selectionList);
|
---|
528 | } else {
|
---|
529 | ds.toggleSelected(selectionList);
|
---|
530 | }
|
---|
531 | } else {
|
---|
532 | // This is either a plain click (which means we
|
---|
533 | // previously cleared the selection), or a
|
---|
534 | // shift-click where we are adding things to an
|
---|
535 | // existing selection.
|
---|
536 | ds.addSelected(selectionList);
|
---|
537 | }
|
---|
538 | Main.map.mapView.repaint();
|
---|
539 | }
|
---|
540 |
|
---|
541 | @Override public String getModeHelpText() {
|
---|
542 | if (mode == Mode.select)
|
---|
543 | return tr("Release the mouse button to select the objects in the rectangle.");
|
---|
544 | else if (mode == Mode.move)
|
---|
545 | return tr("Release the mouse button to stop moving. Ctrl to merge with nearest node.");
|
---|
546 | else if (mode == Mode.rotate)
|
---|
547 | return tr("Release the mouse button to stop rotating.");
|
---|
548 | else
|
---|
549 | return tr("Move objects by dragging; Shift to add to selection (Ctrl to toggle); Shift-Ctrl to rotate selected; or change selection");
|
---|
550 | }
|
---|
551 |
|
---|
552 | @Override public boolean layerIsSupported(Layer l) {
|
---|
553 | return l instanceof OsmDataLayer;
|
---|
554 | }
|
---|
555 | }
|
---|