1 | // License: GPL. For details, see LICENSE file. |
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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.gui.help.HelpUtil.ht; |
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5 | import static org.openstreetmap.josm.tools.I18n.tr; |
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6 | import static org.openstreetmap.josm.tools.I18n.trn; |
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7 | |
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8 | import java.awt.Cursor; |
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9 | import java.awt.Point; |
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10 | import java.awt.Rectangle; |
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11 | import java.awt.event.KeyEvent; |
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12 | import java.awt.event.MouseEvent; |
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13 | import java.awt.geom.Point2D; |
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14 | import java.util.Collection; |
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15 | import java.util.Collections; |
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16 | import java.util.HashSet; |
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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.Optional; |
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20 | import java.util.Set; |
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21 | |
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22 | import javax.swing.JOptionPane; |
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23 | |
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24 | import org.openstreetmap.josm.Main; |
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25 | import org.openstreetmap.josm.actions.MergeNodesAction; |
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26 | import org.openstreetmap.josm.command.AddCommand; |
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27 | import org.openstreetmap.josm.command.ChangeCommand; |
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28 | import org.openstreetmap.josm.command.Command; |
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29 | import org.openstreetmap.josm.command.MoveCommand; |
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30 | import org.openstreetmap.josm.command.RotateCommand; |
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31 | import org.openstreetmap.josm.command.ScaleCommand; |
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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.coor.LatLon; |
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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.OsmData; |
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38 | import org.openstreetmap.josm.data.osm.OsmPrimitive; |
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39 | import org.openstreetmap.josm.data.osm.Way; |
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40 | import org.openstreetmap.josm.data.osm.WaySegment; |
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41 | import org.openstreetmap.josm.data.osm.visitor.AllNodesVisitor; |
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42 | import org.openstreetmap.josm.data.osm.visitor.paint.WireframeMapRenderer; |
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43 | import org.openstreetmap.josm.gui.ExtendedDialog; |
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44 | import org.openstreetmap.josm.gui.MainApplication; |
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45 | import org.openstreetmap.josm.gui.MapFrame; |
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46 | import org.openstreetmap.josm.gui.MapView; |
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47 | import org.openstreetmap.josm.gui.MapViewState.MapViewPoint; |
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48 | import org.openstreetmap.josm.gui.SelectionManager; |
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49 | import org.openstreetmap.josm.gui.SelectionManager.SelectionEnded; |
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50 | import org.openstreetmap.josm.gui.layer.Layer; |
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51 | import org.openstreetmap.josm.gui.layer.OsmDataLayer; |
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52 | import org.openstreetmap.josm.gui.util.GuiHelper; |
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53 | import org.openstreetmap.josm.gui.util.KeyPressReleaseListener; |
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54 | import org.openstreetmap.josm.gui.util.ModifierExListener; |
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55 | import org.openstreetmap.josm.spi.preferences.Config; |
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56 | import org.openstreetmap.josm.tools.ImageProvider; |
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57 | import org.openstreetmap.josm.tools.Logging; |
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58 | import org.openstreetmap.josm.tools.Pair; |
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59 | import org.openstreetmap.josm.tools.Shortcut; |
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60 | import org.openstreetmap.josm.tools.Utils; |
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61 | |
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62 | /** |
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63 | * Move is an action that can move all kind of OsmPrimitives (except keys for now). |
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64 | * |
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65 | * If an selected object is under the mouse when dragging, move all selected objects. |
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66 | * If an unselected object is under the mouse when dragging, it becomes selected |
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67 | * and will be moved. |
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68 | * If no object is under the mouse, move all selected objects (if any) |
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69 | * |
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70 | * On Mac OS X, Ctrl + mouse button 1 simulates right click (map move), so the |
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71 | * feature "selection remove" is disabled on this platform. |
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72 | */ |
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73 | public class SelectAction extends MapMode implements ModifierExListener, KeyPressReleaseListener, SelectionEnded { |
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74 | |
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75 | private static final String NORMAL = /* ICON(cursor/)*/ "normal"; |
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76 | |
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77 | /** |
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78 | * Select action mode. |
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79 | * @since 7543 |
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80 | */ |
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81 | public enum Mode { |
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82 | /** "MOVE" means either dragging or select if no mouse movement occurs (i.e. just clicking) */ |
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83 | MOVE, |
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84 | /** "ROTATE" allows to apply a rotation transformation on the selected object (see {@link RotateCommand}) */ |
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85 | ROTATE, |
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86 | /** "SCALE" allows to apply a scaling transformation on the selected object (see {@link ScaleCommand}) */ |
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87 | SCALE, |
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88 | /** "SELECT" means the selection rectangle */ |
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89 | SELECT |
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90 | } |
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91 | |
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92 | // contains all possible cases the cursor can be in the SelectAction |
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93 | enum SelectActionCursor { |
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94 | |
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95 | rect(NORMAL, /* ICON(cursor/modifier/)*/ "selection"), |
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96 | rect_add(NORMAL, /* ICON(cursor/modifier/)*/ "select_add"), |
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97 | rect_rm(NORMAL, /* ICON(cursor/modifier/)*/ "select_remove"), |
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98 | way(NORMAL, /* ICON(cursor/modifier/)*/ "select_way"), |
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99 | way_add(NORMAL, /* ICON(cursor/modifier/)*/ "select_way_add"), |
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100 | way_rm(NORMAL, /* ICON(cursor/modifier/)*/ "select_way_remove"), |
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101 | node(NORMAL, /* ICON(cursor/modifier/)*/ "select_node"), |
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102 | node_add(NORMAL, /* ICON(cursor/modifier/)*/ "select_node_add"), |
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103 | node_rm(NORMAL, /* ICON(cursor/modifier/)*/ "select_node_remove"), |
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104 | virtual_node(NORMAL, /* ICON(cursor/modifier/)*/ "addnode"), |
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105 | scale(/* ICON(cursor/)*/ "scale", null), |
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106 | rotate(/* ICON(cursor/)*/ "rotate", null), |
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107 | merge(/* ICON(cursor/)*/ "crosshair", null), |
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108 | lasso(NORMAL, /* ICON(cursor/modifier/)*/ "rope"), |
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109 | merge_to_node(/* ICON(cursor/)*/ "crosshair", /* ICON(cursor/modifier/)*/"joinnode"), |
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110 | move(Cursor.MOVE_CURSOR); |
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111 | |
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112 | private final Cursor c; |
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113 | SelectActionCursor(String main, String sub) { |
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114 | c = ImageProvider.getCursor(main, sub); |
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115 | } |
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116 | |
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117 | SelectActionCursor(int systemCursor) { |
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118 | c = Cursor.getPredefinedCursor(systemCursor); |
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119 | } |
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120 | |
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121 | /** |
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122 | * Returns the action cursor. |
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123 | * @return the cursor |
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124 | */ |
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125 | public Cursor cursor() { |
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126 | return c; |
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127 | } |
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128 | } |
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129 | |
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130 | private boolean lassoMode; |
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131 | private boolean repeatedKeySwitchLassoOption; |
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132 | |
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133 | // Cache previous mouse event (needed when only the modifier keys are |
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134 | // pressed but the mouse isn't moved) |
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135 | private MouseEvent oldEvent; |
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136 | |
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137 | private Mode mode; |
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138 | private final transient SelectionManager selectionManager; |
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139 | private boolean cancelDrawMode; |
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140 | private boolean drawTargetHighlight; |
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141 | private boolean didMouseDrag; |
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142 | /** |
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143 | * The component this SelectAction is associated with. |
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144 | */ |
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145 | private final MapView mv; |
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146 | /** |
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147 | * The old cursor before the user pressed the mouse button. |
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148 | */ |
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149 | private Point startingDraggingPos; |
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150 | /** |
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151 | * point where user pressed the mouse to start movement |
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152 | */ |
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153 | private EastNorth startEN; |
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154 | /** |
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155 | * The last known position of the mouse. |
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156 | */ |
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157 | private Point lastMousePos; |
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158 | /** |
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159 | * The time of the user mouse down event. |
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160 | */ |
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161 | private long mouseDownTime; |
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162 | /** |
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163 | * The pressed button of the user mouse down event. |
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164 | */ |
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165 | private int mouseDownButton; |
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166 | /** |
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167 | * The time of the user mouse down event. |
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168 | */ |
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169 | private long mouseReleaseTime; |
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170 | /** |
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171 | * The time which needs to pass between click and release before something |
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172 | * counts as a move, in milliseconds |
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173 | */ |
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174 | private int initialMoveDelay; |
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175 | /** |
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176 | * The screen distance which needs to be travelled before something |
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177 | * counts as a move, in pixels |
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178 | */ |
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179 | private int initialMoveThreshold; |
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180 | private boolean initialMoveThresholdExceeded; |
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181 | |
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182 | /** |
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183 | * elements that have been highlighted in the previous iteration. Used |
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184 | * to remove the highlight from them again as otherwise the whole data |
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185 | * set would have to be checked. |
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186 | */ |
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187 | private transient Optional<OsmPrimitive> currentHighlight = Optional.empty(); |
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188 | |
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189 | /** |
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190 | * Create a new SelectAction |
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191 | * @param mapFrame The MapFrame this action belongs to. |
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192 | */ |
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193 | public SelectAction(MapFrame mapFrame) { |
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194 | super(tr("Select"), "move/move", tr("Select, move, scale and rotate objects"), |
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195 | Shortcut.registerShortcut("mapmode:select", tr("Mode: {0}", tr("Select")), KeyEvent.VK_S, Shortcut.DIRECT), |
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196 | ImageProvider.getCursor("normal", "selection")); |
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197 | mv = mapFrame.mapView; |
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198 | putValue("help", ht("/Action/Select")); |
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199 | selectionManager = new SelectionManager(this, false, mv); |
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200 | } |
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201 | |
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202 | @Override |
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203 | public void enterMode() { |
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204 | super.enterMode(); |
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205 | mv.addMouseListener(this); |
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206 | mv.addMouseMotionListener(this); |
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207 | mv.setVirtualNodesEnabled(Config.getPref().getInt("mappaint.node.virtual-size", 8) != 0); |
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208 | drawTargetHighlight = Config.getPref().getBoolean("draw.target-highlight", true); |
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209 | initialMoveDelay = Config.getPref().getInt("edit.initial-move-delay", 200); |
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210 | initialMoveThreshold = Config.getPref().getInt("edit.initial-move-threshold", 5); |
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211 | repeatedKeySwitchLassoOption = Config.getPref().getBoolean("mappaint.select.toggle-lasso-on-repeated-S", true); |
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212 | cycleManager.init(); |
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213 | virtualManager.init(); |
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214 | // This is required to update the cursors when ctrl/shift/alt is pressed |
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215 | MapFrame map = MainApplication.getMap(); |
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216 | map.keyDetector.addModifierExListener(this); |
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217 | map.keyDetector.addKeyListener(this); |
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218 | } |
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219 | |
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220 | @Override |
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221 | public void exitMode() { |
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222 | super.exitMode(); |
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223 | selectionManager.unregister(mv); |
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224 | mv.removeMouseListener(this); |
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225 | mv.removeMouseMotionListener(this); |
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226 | mv.setVirtualNodesEnabled(false); |
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227 | MapFrame map = MainApplication.getMap(); |
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228 | map.keyDetector.removeModifierExListener(this); |
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229 | map.keyDetector.removeKeyListener(this); |
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230 | removeHighlighting(); |
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231 | } |
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232 | |
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233 | @Override |
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234 | public void modifiersExChanged(int modifiers) { |
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235 | if (!MainApplication.isDisplayingMapView() || oldEvent == null) return; |
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236 | if (giveUserFeedback(oldEvent, modifiers)) { |
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237 | mv.repaint(); |
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238 | } |
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239 | } |
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240 | |
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241 | /** |
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242 | * handles adding highlights and updating the cursor for the given mouse event. |
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243 | * Please note that the highlighting for merging while moving is handled via mouseDragged. |
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244 | * @param e {@code MouseEvent} which should be used as base for the feedback |
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245 | * @return {@code true} if repaint is required |
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246 | */ |
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247 | private boolean giveUserFeedback(MouseEvent e) { |
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248 | return giveUserFeedback(e, e.getModifiersEx()); |
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249 | } |
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250 | |
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251 | /** |
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252 | * handles adding highlights and updating the cursor for the given mouse event. |
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253 | * Please note that the highlighting for merging while moving is handled via mouseDragged. |
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254 | * @param e {@code MouseEvent} which should be used as base for the feedback |
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255 | * @param modifiers define custom keyboard extended modifiers if the ones from MouseEvent are outdated or similar |
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256 | * @return {@code true} if repaint is required |
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257 | */ |
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258 | private boolean giveUserFeedback(MouseEvent e, int modifiers) { |
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259 | Optional<OsmPrimitive> c = Optional.ofNullable( |
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260 | mv.getNearestNodeOrWay(e.getPoint(), mv.isSelectablePredicate, true)); |
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261 | |
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262 | updateKeyModifiersEx(modifiers); |
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263 | determineMapMode(c.isPresent()); |
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264 | |
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265 | Optional<OsmPrimitive> newHighlight = Optional.empty(); |
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266 | |
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267 | virtualManager.clear(); |
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268 | if (mode == Mode.MOVE && !dragInProgress() && virtualManager.activateVirtualNodeNearPoint(e.getPoint())) { |
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269 | DataSet ds = getLayerManager().getActiveDataSet(); |
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270 | if (ds != null && drawTargetHighlight) { |
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271 | ds.setHighlightedVirtualNodes(virtualManager.virtualWays); |
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272 | } |
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273 | mv.setNewCursor(SelectActionCursor.virtual_node.cursor(), this); |
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274 | // don't highlight anything else if a virtual node will be |
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275 | return repaintIfRequired(newHighlight); |
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276 | } |
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277 | |
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278 | mv.setNewCursor(getCursor(c.orElse(null)), this); |
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279 | |
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280 | // return early if there can't be any highlights |
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281 | if (!drawTargetHighlight || (mode != Mode.MOVE && mode != Mode.SELECT) || !c.isPresent()) |
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282 | return repaintIfRequired(newHighlight); |
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283 | |
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284 | // CTRL toggles selection, but if while dragging CTRL means merge |
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285 | final boolean isToggleMode = ctrl && !dragInProgress(); |
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286 | if (c.isPresent() && (isToggleMode || !c.get().isSelected())) { |
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287 | // only highlight primitives that will change the selection |
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288 | // when clicked. I.e. don't highlight selected elements unless |
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289 | // we are in toggle mode. |
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290 | newHighlight = c; |
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291 | } |
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292 | return repaintIfRequired(newHighlight); |
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293 | } |
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294 | |
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295 | /** |
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296 | * works out which cursor should be displayed for most of SelectAction's |
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297 | * features. The only exception is the "move" cursor when actually dragging |
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298 | * primitives. |
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299 | * @param nearbyStuff primitives near the cursor |
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300 | * @return the cursor that should be displayed |
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301 | */ |
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302 | private Cursor getCursor(OsmPrimitive nearbyStuff) { |
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303 | String c = "rect"; |
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304 | switch(mode) { |
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305 | case MOVE: |
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306 | if (virtualManager.hasVirtualNode()) { |
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307 | c = "virtual_node"; |
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308 | break; |
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309 | } |
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310 | final OsmPrimitive osm = nearbyStuff; |
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311 | |
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312 | if (dragInProgress()) { |
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313 | // only consider merge if ctrl is pressed and there are nodes in |
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314 | // the selection that could be merged |
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315 | if (!ctrl || getLayerManager().getEditDataSet().getSelectedNodes().isEmpty()) { |
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316 | c = "move"; |
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317 | break; |
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318 | } |
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319 | // only show merge to node cursor if nearby node and that node is currently |
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320 | // not being dragged |
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321 | final boolean hasTarget = osm instanceof Node && !osm.isSelected(); |
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322 | c = hasTarget ? "merge_to_node" : "merge"; |
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323 | break; |
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324 | } |
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325 | |
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326 | c = (osm instanceof Node) ? "node" : c; |
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327 | c = (osm instanceof Way) ? "way" : c; |
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328 | if (shift) { |
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329 | c += "_add"; |
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330 | } else if (ctrl) { |
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331 | c += osm == null || osm.isSelected() ? "_rm" : "_add"; |
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332 | } |
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333 | break; |
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334 | case ROTATE: |
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335 | c = "rotate"; |
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336 | break; |
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337 | case SCALE: |
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338 | c = "scale"; |
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339 | break; |
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340 | case SELECT: |
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341 | if (lassoMode) { |
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342 | c = "lasso"; |
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343 | } else { |
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344 | c = "rect" + (shift ? "_add" : (ctrl && !Main.isPlatformOsx() ? "_rm" : "")); |
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345 | } |
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346 | break; |
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347 | } |
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348 | return SelectActionCursor.valueOf(c).cursor(); |
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349 | } |
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350 | |
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351 | /** |
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352 | * Removes all existing highlights. |
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353 | * @return true if a repaint is required |
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354 | */ |
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355 | private boolean removeHighlighting() { |
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356 | boolean needsRepaint = false; |
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357 | OsmData<?, ?, ?, ?> ds = getLayerManager().getActiveData(); |
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358 | if (ds != null && !ds.getHighlightedVirtualNodes().isEmpty()) { |
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359 | needsRepaint = true; |
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360 | ds.clearHighlightedVirtualNodes(); |
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361 | } |
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362 | if (!currentHighlight.isPresent()) { |
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363 | return needsRepaint; |
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364 | } else { |
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365 | currentHighlight.get().setHighlighted(false); |
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366 | } |
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367 | currentHighlight = Optional.empty(); |
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368 | return true; |
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369 | } |
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370 | |
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371 | private boolean repaintIfRequired(Optional<OsmPrimitive> newHighlight) { |
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372 | if (!drawTargetHighlight || currentHighlight.equals(newHighlight)) |
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373 | return false; |
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374 | currentHighlight.ifPresent(osm -> osm.setHighlighted(false)); |
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375 | newHighlight.ifPresent(osm -> osm.setHighlighted(true)); |
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376 | currentHighlight = newHighlight; |
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377 | return true; |
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378 | } |
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379 | |
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380 | /** |
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381 | * Look, whether any object is selected. If not, select the nearest node. |
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382 | * If there are no nodes in the dataset, do nothing. |
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383 | * |
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384 | * If the user did not press the left mouse button, do nothing. |
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385 | * |
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386 | * Also remember the starting position of the movement and change the mouse |
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387 | * cursor to movement. |
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388 | */ |
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389 | @Override |
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390 | public void mousePressed(MouseEvent e) { |
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391 | mouseDownButton = e.getButton(); |
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392 | // return early |
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393 | if (!mv.isActiveLayerVisible() || !(Boolean) this.getValue("active") || mouseDownButton != MouseEvent.BUTTON1) |
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394 | return; |
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395 | |
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396 | // left-button mouse click only is processed here |
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397 | |
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398 | // request focus in order to enable the expected keyboard shortcuts |
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399 | mv.requestFocus(); |
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400 | |
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401 | // update which modifiers are pressed (shift, alt, ctrl) |
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402 | updateKeyModifiers(e); |
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403 | |
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404 | // We don't want to change to draw tool if the user tries to (de)select |
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405 | // stuff but accidentally clicks in an empty area when selection is empty |
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406 | cancelDrawMode = shift || ctrl; |
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407 | didMouseDrag = false; |
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408 | initialMoveThresholdExceeded = false; |
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409 | mouseDownTime = System.currentTimeMillis(); |
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410 | lastMousePos = e.getPoint(); |
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411 | startEN = mv.getEastNorth(lastMousePos.x, lastMousePos.y); |
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412 | |
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413 | // primitives under cursor are stored in c collection |
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414 | |
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415 | OsmPrimitive nearestPrimitive = mv.getNearestNodeOrWay(e.getPoint(), mv.isSelectablePredicate, true); |
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416 | |
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417 | determineMapMode(nearestPrimitive != null); |
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418 | |
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419 | switch(mode) { |
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420 | case ROTATE: |
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421 | case SCALE: |
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422 | // if nothing was selected, select primitive under cursor for scaling or rotating |
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423 | DataSet ds = getLayerManager().getEditDataSet(); |
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424 | if (ds.selectionEmpty()) { |
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425 | ds.setSelected(asColl(nearestPrimitive)); |
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426 | } |
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427 | |
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428 | // Mode.select redraws when selectPrims is called |
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429 | // Mode.move redraws when mouseDragged is called |
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430 | // Mode.rotate redraws here |
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431 | // Mode.scale redraws here |
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432 | break; |
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433 | case MOVE: |
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434 | // also include case when some primitive is under cursor and no shift+ctrl / alt+ctrl is pressed |
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435 | // so this is not movement, but selection on primitive under cursor |
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436 | if (!cancelDrawMode && nearestPrimitive instanceof Way) { |
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437 | virtualManager.activateVirtualNodeNearPoint(e.getPoint()); |
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438 | } |
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439 | OsmPrimitive toSelect = cycleManager.cycleSetup(nearestPrimitive, e.getPoint()); |
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440 | selectPrims(asColl(toSelect), false, false); |
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441 | useLastMoveCommandIfPossible(); |
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442 | // Schedule a timer to update status line "initialMoveDelay+1" ms in the future |
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443 | GuiHelper.scheduleTimer(initialMoveDelay+1, evt -> updateStatusLine(), false); |
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444 | break; |
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445 | case SELECT: |
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446 | default: |
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447 | if (!(ctrl && Main.isPlatformOsx())) { |
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448 | // start working with rectangle or lasso |
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449 | selectionManager.register(mv, lassoMode); |
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450 | selectionManager.mousePressed(e); |
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451 | break; |
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452 | } |
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453 | } |
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454 | if (giveUserFeedback(e)) { |
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455 | mv.repaint(); |
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456 | } |
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457 | updateStatusLine(); |
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458 | } |
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459 | |
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460 | @Override |
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461 | public void mouseMoved(MouseEvent e) { |
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462 | // Mac OSX simulates with ctrl + mouse 1 the second mouse button hence no dragging events get fired. |
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463 | if (Main.isPlatformOsx() && (mode == Mode.ROTATE || mode == Mode.SCALE)) { |
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464 | mouseDragged(e); |
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465 | return; |
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466 | } |
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467 | oldEvent = e; |
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468 | if (giveUserFeedback(e)) { |
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469 | mv.repaint(); |
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470 | } |
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471 | } |
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472 | |
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473 | /** |
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474 | * If the left mouse button is pressed, move all currently selected |
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475 | * objects (if one of them is under the mouse) or the current one under the |
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476 | * mouse (which will become selected). |
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477 | */ |
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478 | @Override |
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479 | public void mouseDragged(MouseEvent e) { |
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480 | if (!mv.isActiveLayerVisible()) |
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481 | return; |
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482 | |
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483 | // Swing sends random mouseDragged events when closing dialogs by double-clicking their top-left icon on Windows |
---|
484 | // Ignore such false events to prevent issues like #7078 |
---|
485 | if (mouseDownButton == MouseEvent.BUTTON1 && mouseReleaseTime > mouseDownTime) |
---|
486 | return; |
---|
487 | |
---|
488 | cancelDrawMode = true; |
---|
489 | if (mode == Mode.SELECT) { |
---|
490 | // Unregisters selectionManager if ctrl has been pressed after mouse click on Mac OS X in order to move the map |
---|
491 | if (ctrl && Main.isPlatformOsx()) { |
---|
492 | selectionManager.unregister(mv); |
---|
493 | // Make sure correct cursor is displayed |
---|
494 | mv.setNewCursor(Cursor.MOVE_CURSOR, this); |
---|
495 | } |
---|
496 | return; |
---|
497 | } |
---|
498 | |
---|
499 | // do not count anything as a move if it lasts less than 100 milliseconds. |
---|
500 | if ((mode == Mode.MOVE) && (System.currentTimeMillis() - mouseDownTime < initialMoveDelay)) |
---|
501 | return; |
---|
502 | |
---|
503 | if (mode != Mode.ROTATE && mode != Mode.SCALE && (e.getModifiersEx() & MouseEvent.BUTTON1_DOWN_MASK) == 0) { |
---|
504 | // button is pressed in rotate mode |
---|
505 | return; |
---|
506 | } |
---|
507 | |
---|
508 | if (mode == Mode.MOVE) { |
---|
509 | // If ctrl is pressed we are in merge mode. Look for a nearby node, |
---|
510 | // highlight it and adjust the cursor accordingly. |
---|
511 | final boolean canMerge = ctrl && !getLayerManager().getEditDataSet().getSelectedNodes().isEmpty(); |
---|
512 | final OsmPrimitive p = canMerge ? findNodeToMergeTo(e.getPoint()) : null; |
---|
513 | boolean needsRepaint = removeHighlighting(); |
---|
514 | if (p != null) { |
---|
515 | p.setHighlighted(true); |
---|
516 | currentHighlight = Optional.of(p); |
---|
517 | needsRepaint = true; |
---|
518 | } |
---|
519 | mv.setNewCursor(getCursor(p), this); |
---|
520 | // also update the stored mouse event, so we can display the correct cursor |
---|
521 | // when dragging a node onto another one and then press CTRL to merge |
---|
522 | oldEvent = e; |
---|
523 | if (needsRepaint) { |
---|
524 | mv.repaint(); |
---|
525 | } |
---|
526 | } |
---|
527 | |
---|
528 | if (startingDraggingPos == null) { |
---|
529 | startingDraggingPos = new Point(e.getX(), e.getY()); |
---|
530 | } |
---|
531 | |
---|
532 | if (lastMousePos == null) { |
---|
533 | lastMousePos = e.getPoint(); |
---|
534 | return; |
---|
535 | } |
---|
536 | |
---|
537 | if (!initialMoveThresholdExceeded) { |
---|
538 | int dp = (int) lastMousePos.distance(e.getX(), e.getY()); |
---|
539 | if (dp < initialMoveThreshold) |
---|
540 | return; // ignore small drags |
---|
541 | initialMoveThresholdExceeded = true; //no more ingnoring uintil nex mouse press |
---|
542 | } |
---|
543 | if (e.getPoint().equals(lastMousePos)) |
---|
544 | return; |
---|
545 | |
---|
546 | EastNorth currentEN = mv.getEastNorth(e.getX(), e.getY()); |
---|
547 | |
---|
548 | if (virtualManager.hasVirtualWaysToBeConstructed()) { |
---|
549 | virtualManager.createMiddleNodeFromVirtual(currentEN); |
---|
550 | } else { |
---|
551 | if (!updateCommandWhileDragging(currentEN)) return; |
---|
552 | } |
---|
553 | |
---|
554 | mv.repaint(); |
---|
555 | if (mode != Mode.SCALE) { |
---|
556 | lastMousePos = e.getPoint(); |
---|
557 | } |
---|
558 | |
---|
559 | didMouseDrag = true; |
---|
560 | } |
---|
561 | |
---|
562 | @Override |
---|
563 | public void mouseExited(MouseEvent e) { |
---|
564 | if (removeHighlighting()) { |
---|
565 | mv.repaint(); |
---|
566 | } |
---|
567 | } |
---|
568 | |
---|
569 | @Override |
---|
570 | public void mouseReleased(MouseEvent e) { |
---|
571 | if (!mv.isActiveLayerVisible()) |
---|
572 | return; |
---|
573 | |
---|
574 | startingDraggingPos = null; |
---|
575 | mouseReleaseTime = System.currentTimeMillis(); |
---|
576 | MapFrame map = MainApplication.getMap(); |
---|
577 | |
---|
578 | if (mode == Mode.SELECT) { |
---|
579 | if (e.getButton() != MouseEvent.BUTTON1) { |
---|
580 | return; |
---|
581 | } |
---|
582 | selectionManager.endSelecting(e); |
---|
583 | selectionManager.unregister(mv); |
---|
584 | |
---|
585 | // Select Draw Tool if no selection has been made |
---|
586 | if (!cancelDrawMode && getLayerManager().getActiveDataSet().selectionEmpty()) { |
---|
587 | map.selectDrawTool(true); |
---|
588 | updateStatusLine(); |
---|
589 | return; |
---|
590 | } |
---|
591 | } |
---|
592 | |
---|
593 | if (mode == Mode.MOVE && e.getButton() == MouseEvent.BUTTON1) { |
---|
594 | if (!didMouseDrag) { |
---|
595 | // only built in move mode |
---|
596 | virtualManager.clear(); |
---|
597 | // do nothing if the click was to short too be recognized as a drag, |
---|
598 | // but the release position is farther than 10px away from the press position |
---|
599 | if (lastMousePos == null || lastMousePos.distanceSq(e.getPoint()) < 100) { |
---|
600 | updateKeyModifiers(e); |
---|
601 | selectPrims(cycleManager.cyclePrims(), true, false); |
---|
602 | |
---|
603 | // If the user double-clicked a node, change to draw mode |
---|
604 | Collection<OsmPrimitive> c = getLayerManager().getEditDataSet().getSelected(); |
---|
605 | if (e.getClickCount() >= 2 && c.size() == 1 && c.iterator().next() instanceof Node) { |
---|
606 | // We need to do it like this as otherwise drawAction will see a double |
---|
607 | // click and switch back to SelectMode |
---|
608 | MainApplication.worker.execute(() -> map.selectDrawTool(true)); |
---|
609 | return; |
---|
610 | } |
---|
611 | } |
---|
612 | } else { |
---|
613 | confirmOrUndoMovement(e); |
---|
614 | } |
---|
615 | } |
---|
616 | |
---|
617 | mode = null; |
---|
618 | |
---|
619 | // simply remove any highlights if the middle click popup is active because |
---|
620 | // the highlights don't depend on the cursor position there. If something was |
---|
621 | // selected beforehand this would put us into move mode as well, which breaks |
---|
622 | // the cycling through primitives on top of each other (see #6739). |
---|
623 | if (e.getButton() == MouseEvent.BUTTON2) { |
---|
624 | removeHighlighting(); |
---|
625 | } else { |
---|
626 | giveUserFeedback(e); |
---|
627 | } |
---|
628 | updateStatusLine(); |
---|
629 | } |
---|
630 | |
---|
631 | @Override |
---|
632 | public void selectionEnded(Rectangle r, MouseEvent e) { |
---|
633 | updateKeyModifiers(e); |
---|
634 | selectPrims(selectionManager.getSelectedObjects(alt), true, true); |
---|
635 | } |
---|
636 | |
---|
637 | @Override |
---|
638 | public void doKeyPressed(KeyEvent e) { |
---|
639 | if (!repeatedKeySwitchLassoOption || !MainApplication.isDisplayingMapView() || !getShortcut().isEvent(e)) |
---|
640 | return; |
---|
641 | if (Logging.isDebugEnabled()) { |
---|
642 | Logging.debug("{0} consuming event {1}", getClass().getName(), e); |
---|
643 | } |
---|
644 | e.consume(); |
---|
645 | MapFrame map = MainApplication.getMap(); |
---|
646 | if (!lassoMode) { |
---|
647 | map.selectMapMode(map.mapModeSelectLasso); |
---|
648 | } else { |
---|
649 | map.selectMapMode(map.mapModeSelect); |
---|
650 | } |
---|
651 | } |
---|
652 | |
---|
653 | @Override |
---|
654 | public void doKeyReleased(KeyEvent e) { |
---|
655 | // Do nothing |
---|
656 | } |
---|
657 | |
---|
658 | /** |
---|
659 | * sets the mapmode according to key modifiers and if there are any |
---|
660 | * selectables nearby. Everything has to be pre-determined for this |
---|
661 | * function; its main purpose is to centralize what the modifiers do. |
---|
662 | * @param hasSelectionNearby {@code true} if some primitves are selectable nearby |
---|
663 | */ |
---|
664 | private void determineMapMode(boolean hasSelectionNearby) { |
---|
665 | if (getLayerManager().getEditDataSet() != null) { |
---|
666 | if (shift && ctrl) { |
---|
667 | mode = Mode.ROTATE; |
---|
668 | } else if (alt && ctrl) { |
---|
669 | mode = Mode.SCALE; |
---|
670 | } else if (hasSelectionNearby || dragInProgress()) { |
---|
671 | mode = Mode.MOVE; |
---|
672 | } else { |
---|
673 | mode = Mode.SELECT; |
---|
674 | } |
---|
675 | } else { |
---|
676 | mode = Mode.SELECT; |
---|
677 | } |
---|
678 | } |
---|
679 | |
---|
680 | /** |
---|
681 | * Determines whenever elements have been grabbed and moved (i.e. the initial |
---|
682 | * thresholds have been exceeded) and is still in progress (i.e. mouse button still pressed) |
---|
683 | * @return true if a drag is in progress |
---|
684 | */ |
---|
685 | private boolean dragInProgress() { |
---|
686 | return didMouseDrag && startingDraggingPos != null; |
---|
687 | } |
---|
688 | |
---|
689 | /** |
---|
690 | * Create or update data modification command while dragging mouse - implementation of |
---|
691 | * continuous moving, scaling and rotation |
---|
692 | * @param currentEN - mouse position |
---|
693 | * @return status of action (<code>true</code> when action was performed) |
---|
694 | */ |
---|
695 | private boolean updateCommandWhileDragging(EastNorth currentEN) { |
---|
696 | // Currently we support only transformations which do not affect relations. |
---|
697 | // So don't add them in the first place to make handling easier |
---|
698 | DataSet ds = getLayerManager().getEditDataSet(); |
---|
699 | Collection<OsmPrimitive> selection = ds.getSelectedNodesAndWays(); |
---|
700 | if (selection.isEmpty()) { // if nothing was selected to drag, just select nearest node/way to the cursor |
---|
701 | OsmPrimitive nearestPrimitive = mv.getNearestNodeOrWay(mv.getPoint(startEN), mv.isSelectablePredicate, true); |
---|
702 | ds.setSelected(nearestPrimitive); |
---|
703 | } |
---|
704 | |
---|
705 | Collection<Node> affectedNodes = AllNodesVisitor.getAllNodes(selection); |
---|
706 | // for these transformations, having only one node makes no sense - quit silently |
---|
707 | if (affectedNodes.size() < 2 && (mode == Mode.ROTATE || mode == Mode.SCALE)) { |
---|
708 | return false; |
---|
709 | } |
---|
710 | Command c = getLastCommandInDataset(ds); |
---|
711 | if (mode == Mode.MOVE) { |
---|
712 | if (startEN == null) return false; // fix #8128 |
---|
713 | ds.beginUpdate(); |
---|
714 | try { |
---|
715 | if (c instanceof MoveCommand && affectedNodes.equals(((MoveCommand) c).getParticipatingPrimitives())) { |
---|
716 | ((MoveCommand) c).saveCheckpoint(); |
---|
717 | ((MoveCommand) c).applyVectorTo(currentEN); |
---|
718 | } else if (!selection.isEmpty()) { |
---|
719 | c = new MoveCommand(selection, startEN, currentEN); |
---|
720 | MainApplication.undoRedo.add(c); |
---|
721 | } |
---|
722 | for (Node n : affectedNodes) { |
---|
723 | LatLon ll = n.getCoor(); |
---|
724 | if (ll != null && ll.isOutSideWorld()) { |
---|
725 | // Revert move |
---|
726 | if (c instanceof MoveCommand) { |
---|
727 | ((MoveCommand) c).resetToCheckpoint(); |
---|
728 | } |
---|
729 | // TODO: We might use a simple notification in the lower left corner. |
---|
730 | JOptionPane.showMessageDialog( |
---|
731 | Main.parent, |
---|
732 | tr("Cannot move objects outside of the world."), |
---|
733 | tr("Warning"), |
---|
734 | JOptionPane.WARNING_MESSAGE); |
---|
735 | mv.setNewCursor(cursor, this); |
---|
736 | return false; |
---|
737 | } |
---|
738 | } |
---|
739 | } finally { |
---|
740 | ds.endUpdate(); |
---|
741 | } |
---|
742 | } else { |
---|
743 | startEN = currentEN; // drag can continue after scaling/rotation |
---|
744 | |
---|
745 | if (mode != Mode.ROTATE && mode != Mode.SCALE) { |
---|
746 | return false; |
---|
747 | } |
---|
748 | |
---|
749 | ds.beginUpdate(); |
---|
750 | try { |
---|
751 | if (mode == Mode.ROTATE) { |
---|
752 | if (c instanceof RotateCommand && affectedNodes.equals(((RotateCommand) c).getTransformedNodes())) { |
---|
753 | ((RotateCommand) c).handleEvent(currentEN); |
---|
754 | } else { |
---|
755 | MainApplication.undoRedo.add(new RotateCommand(selection, currentEN)); |
---|
756 | } |
---|
757 | } else if (mode == Mode.SCALE) { |
---|
758 | if (c instanceof ScaleCommand && affectedNodes.equals(((ScaleCommand) c).getTransformedNodes())) { |
---|
759 | ((ScaleCommand) c).handleEvent(currentEN); |
---|
760 | } else { |
---|
761 | MainApplication.undoRedo.add(new ScaleCommand(selection, currentEN)); |
---|
762 | } |
---|
763 | } |
---|
764 | |
---|
765 | Collection<Way> ways = ds.getSelectedWays(); |
---|
766 | if (doesImpactStatusLine(affectedNodes, ways)) { |
---|
767 | MainApplication.getMap().statusLine.setDist(ways); |
---|
768 | } |
---|
769 | } finally { |
---|
770 | ds.endUpdate(); |
---|
771 | } |
---|
772 | } |
---|
773 | return true; |
---|
774 | } |
---|
775 | |
---|
776 | private static boolean doesImpactStatusLine(Collection<Node> affectedNodes, Collection<Way> selectedWays) { |
---|
777 | for (Way w : selectedWays) { |
---|
778 | for (Node n : w.getNodes()) { |
---|
779 | if (affectedNodes.contains(n)) { |
---|
780 | return true; |
---|
781 | } |
---|
782 | } |
---|
783 | } |
---|
784 | return false; |
---|
785 | } |
---|
786 | |
---|
787 | /** |
---|
788 | * Adapt last move command (if it is suitable) to work with next drag, started at point startEN |
---|
789 | */ |
---|
790 | private void useLastMoveCommandIfPossible() { |
---|
791 | DataSet dataSet = getLayerManager().getEditDataSet(); |
---|
792 | if (dataSet == null) { |
---|
793 | // It may happen that there is no edit layer. |
---|
794 | return; |
---|
795 | } |
---|
796 | Command c = getLastCommandInDataset(dataSet); |
---|
797 | Collection<Node> affectedNodes = AllNodesVisitor.getAllNodes(dataSet.getSelected()); |
---|
798 | if (c instanceof MoveCommand && affectedNodes.equals(((MoveCommand) c).getParticipatingPrimitives())) { |
---|
799 | // old command was created with different base point of movement, we need to recalculate it |
---|
800 | ((MoveCommand) c).changeStartPoint(startEN); |
---|
801 | } |
---|
802 | } |
---|
803 | |
---|
804 | /** |
---|
805 | * Obtain command in undoRedo stack to "continue" when dragging |
---|
806 | * @param ds The data set the command needs to be in. |
---|
807 | * @return last command |
---|
808 | */ |
---|
809 | private static Command getLastCommandInDataset(DataSet ds) { |
---|
810 | Command lastCommand = MainApplication.undoRedo.getLastCommand(); |
---|
811 | if (lastCommand instanceof SequenceCommand) { |
---|
812 | lastCommand = ((SequenceCommand) lastCommand).getLastCommand(); |
---|
813 | } |
---|
814 | if (lastCommand != null && ds.equals(lastCommand.getAffectedDataSet())) { |
---|
815 | return lastCommand; |
---|
816 | } else { |
---|
817 | return null; |
---|
818 | } |
---|
819 | } |
---|
820 | |
---|
821 | /** |
---|
822 | * Present warning in the following cases and undo unwanted movements: <ul> |
---|
823 | * <li>large and possibly unwanted movements</li> |
---|
824 | * <li>movement of node with attached ways that are hidden by filters</li> |
---|
825 | * </ul> |
---|
826 | * |
---|
827 | * @param e the mouse event causing the action (mouse released) |
---|
828 | */ |
---|
829 | private void confirmOrUndoMovement(MouseEvent e) { |
---|
830 | if (movesHiddenWay()) { |
---|
831 | final ExtendedDialog ed = new ConfirmMoveDialog(); |
---|
832 | ed.setContent(tr("Are you sure that you want to move elements with attached ways that are hidden by filters?")); |
---|
833 | ed.toggleEnable("movedHiddenElements"); |
---|
834 | ed.showDialog(); |
---|
835 | if (ed.getValue() != 1) { |
---|
836 | MainApplication.undoRedo.undo(); |
---|
837 | } |
---|
838 | } |
---|
839 | Set<Node> nodes = new HashSet<>(); |
---|
840 | int max = Config.getPref().getInt("warn.move.maxelements", 20); |
---|
841 | for (OsmPrimitive osm : getLayerManager().getEditDataSet().getSelected()) { |
---|
842 | if (osm instanceof Way) { |
---|
843 | nodes.addAll(((Way) osm).getNodes()); |
---|
844 | } else if (osm instanceof Node) { |
---|
845 | nodes.add((Node) osm); |
---|
846 | } |
---|
847 | if (nodes.size() > max) { |
---|
848 | break; |
---|
849 | } |
---|
850 | } |
---|
851 | if (nodes.size() > max) { |
---|
852 | final ExtendedDialog ed = new ConfirmMoveDialog(); |
---|
853 | ed.setContent( |
---|
854 | /* for correct i18n of plural forms - see #9110 */ |
---|
855 | trn("You moved more than {0} element. " + "Moving a large number of elements is often an error.\n" + "Really move them?", |
---|
856 | "You moved more than {0} elements. " + "Moving a large number of elements is often an error.\n" + "Really move them?", |
---|
857 | max, max)); |
---|
858 | ed.toggleEnable("movedManyElements"); |
---|
859 | ed.showDialog(); |
---|
860 | |
---|
861 | if (ed.getValue() != 1) { |
---|
862 | MainApplication.undoRedo.undo(); |
---|
863 | } |
---|
864 | } else { |
---|
865 | // if small number of elements were moved, |
---|
866 | updateKeyModifiers(e); |
---|
867 | if (ctrl) mergePrims(e.getPoint()); |
---|
868 | } |
---|
869 | } |
---|
870 | |
---|
871 | static class ConfirmMoveDialog extends ExtendedDialog { |
---|
872 | ConfirmMoveDialog() { |
---|
873 | super(Main.parent, |
---|
874 | tr("Move elements"), |
---|
875 | tr("Move them"), tr("Undo move")); |
---|
876 | setButtonIcons("reorder", "cancel"); |
---|
877 | setCancelButton(2); |
---|
878 | } |
---|
879 | } |
---|
880 | |
---|
881 | private boolean movesHiddenWay() { |
---|
882 | DataSet ds = getLayerManager().getEditDataSet(); |
---|
883 | final Collection<OsmPrimitive> elementsToTest = new HashSet<>(ds.getSelected()); |
---|
884 | for (Way osm : ds.getSelectedWays()) { |
---|
885 | elementsToTest.addAll(osm.getNodes()); |
---|
886 | } |
---|
887 | for (OsmPrimitive node : Utils.filteredCollection(elementsToTest, Node.class)) { |
---|
888 | for (Way ref : Utils.filteredCollection(node.getReferrers(), Way.class)) { |
---|
889 | if (ref.isDisabledAndHidden()) { |
---|
890 | return true; |
---|
891 | } |
---|
892 | } |
---|
893 | } |
---|
894 | return false; |
---|
895 | } |
---|
896 | |
---|
897 | /** |
---|
898 | * Merges the selected nodes to the one closest to the given mouse position if the control |
---|
899 | * key is pressed. If there is no such node, no action will be done and no error will be |
---|
900 | * reported. If there is, it will execute the merge and add it to the undo buffer. |
---|
901 | * @param p mouse position |
---|
902 | */ |
---|
903 | private void mergePrims(Point p) { |
---|
904 | DataSet ds = getLayerManager().getEditDataSet(); |
---|
905 | Collection<Node> selNodes = ds.getSelectedNodes(); |
---|
906 | if (selNodes.isEmpty()) |
---|
907 | return; |
---|
908 | |
---|
909 | Node target = findNodeToMergeTo(p); |
---|
910 | if (target == null) |
---|
911 | return; |
---|
912 | |
---|
913 | if (selNodes.size() == 1) { |
---|
914 | // Move all selected primitive to preserve shape #10748 |
---|
915 | Collection<OsmPrimitive> selection = ds.getSelectedNodesAndWays(); |
---|
916 | Collection<Node> affectedNodes = AllNodesVisitor.getAllNodes(selection); |
---|
917 | Command c = getLastCommandInDataset(ds); |
---|
918 | ds.beginUpdate(); |
---|
919 | try { |
---|
920 | if (c instanceof MoveCommand && affectedNodes.equals(((MoveCommand) c).getParticipatingPrimitives())) { |
---|
921 | Node selectedNode = selNodes.iterator().next(); |
---|
922 | EastNorth selectedEN = selectedNode.getEastNorth(); |
---|
923 | EastNorth targetEN = target.getEastNorth(); |
---|
924 | ((MoveCommand) c).moveAgain(targetEN.getX() - selectedEN.getX(), |
---|
925 | targetEN.getY() - selectedEN.getY()); |
---|
926 | } |
---|
927 | } finally { |
---|
928 | ds.endUpdate(); |
---|
929 | } |
---|
930 | } |
---|
931 | |
---|
932 | Collection<Node> nodesToMerge = new LinkedList<>(selNodes); |
---|
933 | nodesToMerge.add(target); |
---|
934 | mergeNodes(MainApplication.getLayerManager().getEditLayer(), nodesToMerge, target); |
---|
935 | } |
---|
936 | |
---|
937 | /** |
---|
938 | * Merge nodes using {@code MergeNodesAction}. |
---|
939 | * Can be overridden for testing purpose. |
---|
940 | * @param layer layer the reference data layer. Must not be null |
---|
941 | * @param nodes the collection of nodes. Ignored if null |
---|
942 | * @param targetLocationNode this node's location will be used for the target node |
---|
943 | */ |
---|
944 | public void mergeNodes(OsmDataLayer layer, Collection<Node> nodes, |
---|
945 | Node targetLocationNode) { |
---|
946 | MergeNodesAction.doMergeNodes(layer, nodes, targetLocationNode); |
---|
947 | } |
---|
948 | |
---|
949 | /** |
---|
950 | * Tries to find a node to merge to when in move-merge mode for the current mouse |
---|
951 | * position. Either returns the node or null, if no suitable one is nearby. |
---|
952 | * @param p mouse position |
---|
953 | * @return node to merge to, or null |
---|
954 | */ |
---|
955 | private Node findNodeToMergeTo(Point p) { |
---|
956 | Collection<Node> target = mv.getNearestNodes(p, |
---|
957 | getLayerManager().getEditDataSet().getSelectedNodes(), |
---|
958 | mv.isSelectablePredicate); |
---|
959 | return target.isEmpty() ? null : target.iterator().next(); |
---|
960 | } |
---|
961 | |
---|
962 | private void selectPrims(Collection<OsmPrimitive> prims, boolean released, boolean area) { |
---|
963 | DataSet ds = getLayerManager().getActiveDataSet(); |
---|
964 | |
---|
965 | // not allowed together: do not change dataset selection, return early |
---|
966 | // Virtual Ways: if non-empty the cursor is above a virtual node. So don't highlight |
---|
967 | // anything if about to drag the virtual node (i.e. !released) but continue if the |
---|
968 | // cursor is only released above a virtual node by accident (i.e. released). See #7018 |
---|
969 | if (ds == null || (shift && ctrl) || (ctrl && !released) || (virtualManager.hasVirtualWaysToBeConstructed() && !released)) |
---|
970 | return; |
---|
971 | |
---|
972 | if (!released) { |
---|
973 | // Don't replace the selection if the user clicked on a |
---|
974 | // selected object (it breaks moving of selected groups). |
---|
975 | // Do it later, on mouse release. |
---|
976 | shift |= ds.getSelected().containsAll(prims); |
---|
977 | } |
---|
978 | |
---|
979 | if (ctrl) { |
---|
980 | // Ctrl on an item toggles its selection status, |
---|
981 | // but Ctrl on an *area* just clears those items |
---|
982 | // out of the selection. |
---|
983 | if (area) { |
---|
984 | ds.clearSelection(prims); |
---|
985 | } else { |
---|
986 | ds.toggleSelected(prims); |
---|
987 | } |
---|
988 | } else if (shift) { |
---|
989 | // add prims to an existing selection |
---|
990 | ds.addSelected(prims); |
---|
991 | } else { |
---|
992 | // clear selection, then select the prims clicked |
---|
993 | ds.setSelected(prims); |
---|
994 | } |
---|
995 | } |
---|
996 | |
---|
997 | /** |
---|
998 | * Returns the current select mode. |
---|
999 | * @return the select mode |
---|
1000 | * @since 7543 |
---|
1001 | */ |
---|
1002 | public final Mode getMode() { |
---|
1003 | return mode; |
---|
1004 | } |
---|
1005 | |
---|
1006 | @Override |
---|
1007 | public String getModeHelpText() { |
---|
1008 | if (mouseDownButton == MouseEvent.BUTTON1 && mouseReleaseTime < mouseDownTime) { |
---|
1009 | if (mode == Mode.SELECT) |
---|
1010 | return tr("Release the mouse button to select the objects in the rectangle."); |
---|
1011 | else if (mode == Mode.MOVE && (System.currentTimeMillis() - mouseDownTime >= initialMoveDelay)) { |
---|
1012 | final DataSet ds = getLayerManager().getEditDataSet(); |
---|
1013 | final boolean canMerge = ds != null && !ds.getSelectedNodes().isEmpty(); |
---|
1014 | final String mergeHelp = canMerge ? (' ' + tr("Ctrl to merge with nearest node.")) : ""; |
---|
1015 | return tr("Release the mouse button to stop moving.") + mergeHelp; |
---|
1016 | } else if (mode == Mode.ROTATE) |
---|
1017 | return tr("Release the mouse button to stop rotating."); |
---|
1018 | else if (mode == Mode.SCALE) |
---|
1019 | return tr("Release the mouse button to stop scaling."); |
---|
1020 | } |
---|
1021 | return tr("Move objects by dragging; Shift to add to selection (Ctrl to toggle); Shift-Ctrl to rotate selected; " + |
---|
1022 | "Alt-Ctrl to scale selected; or change selection"); |
---|
1023 | } |
---|
1024 | |
---|
1025 | @Override |
---|
1026 | public boolean layerIsSupported(Layer l) { |
---|
1027 | return l instanceof OsmDataLayer; |
---|
1028 | } |
---|
1029 | |
---|
1030 | /** |
---|
1031 | * Enable or diable the lasso mode |
---|
1032 | * @param lassoMode true to enable the lasso mode, false otherwise |
---|
1033 | */ |
---|
1034 | public void setLassoMode(boolean lassoMode) { |
---|
1035 | this.selectionManager.setLassoMode(lassoMode); |
---|
1036 | this.lassoMode = lassoMode; |
---|
1037 | } |
---|
1038 | |
---|
1039 | private final transient CycleManager cycleManager = new CycleManager(); |
---|
1040 | private final transient VirtualManager virtualManager = new VirtualManager(); |
---|
1041 | |
---|
1042 | private class CycleManager { |
---|
1043 | |
---|
1044 | private Collection<OsmPrimitive> cycleList = Collections.emptyList(); |
---|
1045 | private boolean cyclePrims; |
---|
1046 | private OsmPrimitive cycleStart; |
---|
1047 | private boolean waitForMouseUpParameter; |
---|
1048 | private boolean multipleMatchesParameter; |
---|
1049 | /** |
---|
1050 | * read preferences |
---|
1051 | */ |
---|
1052 | private void init() { |
---|
1053 | waitForMouseUpParameter = Config.getPref().getBoolean("mappaint.select.waits-for-mouse-up", false); |
---|
1054 | multipleMatchesParameter = Config.getPref().getBoolean("selectaction.cycles.multiple.matches", false); |
---|
1055 | } |
---|
1056 | |
---|
1057 | /** |
---|
1058 | * Determine primitive to be selected and build cycleList |
---|
1059 | * @param nearest primitive found by simple method |
---|
1060 | * @param p point where user clicked |
---|
1061 | * @return OsmPrimitive to be selected |
---|
1062 | */ |
---|
1063 | private OsmPrimitive cycleSetup(OsmPrimitive nearest, Point p) { |
---|
1064 | OsmPrimitive osm = null; |
---|
1065 | |
---|
1066 | if (nearest != null) { |
---|
1067 | osm = nearest; |
---|
1068 | |
---|
1069 | if (!(alt || multipleMatchesParameter)) { |
---|
1070 | // no real cycling, just one element in cycle list |
---|
1071 | cycleList = asColl(osm); |
---|
1072 | |
---|
1073 | if (waitForMouseUpParameter) { |
---|
1074 | // prefer a selected nearest node or way, if possible |
---|
1075 | osm = mv.getNearestNodeOrWay(p, mv.isSelectablePredicate, true); |
---|
1076 | } |
---|
1077 | } else { |
---|
1078 | // Alt + left mouse button pressed: we need to build cycle list |
---|
1079 | cycleList = mv.getAllNearest(p, mv.isSelectablePredicate); |
---|
1080 | |
---|
1081 | if (cycleList.size() > 1) { |
---|
1082 | cyclePrims = false; |
---|
1083 | |
---|
1084 | // find first already selected element in cycle list |
---|
1085 | OsmPrimitive old = osm; |
---|
1086 | for (OsmPrimitive o : cycleList) { |
---|
1087 | if (o.isSelected()) { |
---|
1088 | cyclePrims = true; |
---|
1089 | osm = o; |
---|
1090 | break; |
---|
1091 | } |
---|
1092 | } |
---|
1093 | |
---|
1094 | // special case: for cycle groups of 2, we can toggle to the |
---|
1095 | // true nearest primitive on mousePressed right away |
---|
1096 | if (cycleList.size() == 2 && !waitForMouseUpParameter) { |
---|
1097 | if (!(osm.equals(old) || osm.isNew() || ctrl)) { |
---|
1098 | cyclePrims = false; |
---|
1099 | osm = old; |
---|
1100 | } // else defer toggling to mouseRelease time in those cases: |
---|
1101 | /* |
---|
1102 | * osm == old -- the true nearest node is the |
---|
1103 | * selected one osm is a new node -- do not break |
---|
1104 | * unglue ways in ALT mode ctrl is pressed -- ctrl |
---|
1105 | * generally works on mouseReleased |
---|
1106 | */ |
---|
1107 | } |
---|
1108 | } |
---|
1109 | } |
---|
1110 | } |
---|
1111 | return osm; |
---|
1112 | } |
---|
1113 | |
---|
1114 | /** |
---|
1115 | * Modifies current selection state and returns the next element in a |
---|
1116 | * selection cycle given by |
---|
1117 | * <code>cycleList</code> field |
---|
1118 | * @return the next element of cycle list |
---|
1119 | */ |
---|
1120 | private Collection<OsmPrimitive> cyclePrims() { |
---|
1121 | if (cycleList.size() <= 1) { |
---|
1122 | // no real cycling, just return one-element collection with nearest primitive in it |
---|
1123 | return cycleList; |
---|
1124 | } |
---|
1125 | // updateKeyModifiers() already called before! |
---|
1126 | |
---|
1127 | DataSet ds = getLayerManager().getActiveDataSet(); |
---|
1128 | OsmPrimitive first = cycleList.iterator().next(), foundInDS = null; |
---|
1129 | OsmPrimitive nxt = first; |
---|
1130 | |
---|
1131 | if (cyclePrims && shift) { |
---|
1132 | for (Iterator<OsmPrimitive> i = cycleList.iterator(); i.hasNext();) { |
---|
1133 | nxt = i.next(); |
---|
1134 | if (!nxt.isSelected()) { |
---|
1135 | break; // take first primitive in cycleList not in sel |
---|
1136 | } |
---|
1137 | } |
---|
1138 | // if primitives 1,2,3 are under cursor, [Alt-press] [Shift-release] gives 1 -> 12 -> 123 |
---|
1139 | } else { |
---|
1140 | for (Iterator<OsmPrimitive> i = cycleList.iterator(); i.hasNext();) { |
---|
1141 | nxt = i.next(); |
---|
1142 | if (nxt.isSelected()) { |
---|
1143 | foundInDS = nxt; |
---|
1144 | // first selected primitive in cycleList is found |
---|
1145 | if (cyclePrims || ctrl) { |
---|
1146 | ds.clearSelection(foundInDS); // deselect it |
---|
1147 | nxt = i.hasNext() ? i.next() : first; |
---|
1148 | // return next one in cycle list (last->first) |
---|
1149 | } |
---|
1150 | break; // take next primitive in cycleList |
---|
1151 | } |
---|
1152 | } |
---|
1153 | } |
---|
1154 | |
---|
1155 | // if "no-alt-cycling" is enabled, Ctrl-Click arrives here. |
---|
1156 | if (ctrl) { |
---|
1157 | // a member of cycleList was found in the current dataset selection |
---|
1158 | if (foundInDS != null) { |
---|
1159 | // mouse was moved to a different selection group w/ a previous sel |
---|
1160 | if (!cycleList.contains(cycleStart)) { |
---|
1161 | ds.clearSelection(cycleList); |
---|
1162 | cycleStart = foundInDS; |
---|
1163 | } else if (cycleStart.equals(nxt)) { |
---|
1164 | // loop detected, insert deselect step |
---|
1165 | ds.addSelected(nxt); |
---|
1166 | } |
---|
1167 | } else { |
---|
1168 | // setup for iterating a sel group again or a new, different one.. |
---|
1169 | nxt = cycleList.contains(cycleStart) ? cycleStart : first; |
---|
1170 | cycleStart = nxt; |
---|
1171 | } |
---|
1172 | } else { |
---|
1173 | cycleStart = null; |
---|
1174 | } |
---|
1175 | // return one-element collection with one element to be selected (or added to selection) |
---|
1176 | return asColl(nxt); |
---|
1177 | } |
---|
1178 | } |
---|
1179 | |
---|
1180 | private class VirtualManager { |
---|
1181 | |
---|
1182 | private Node virtualNode; |
---|
1183 | private Collection<WaySegment> virtualWays = new LinkedList<>(); |
---|
1184 | private int nodeVirtualSize; |
---|
1185 | private int virtualSnapDistSq2; |
---|
1186 | private int virtualSpace; |
---|
1187 | |
---|
1188 | private void init() { |
---|
1189 | nodeVirtualSize = Config.getPref().getInt("mappaint.node.virtual-size", 8); |
---|
1190 | int virtualSnapDistSq = Config.getPref().getInt("mappaint.node.virtual-snap-distance", 8); |
---|
1191 | virtualSnapDistSq2 = virtualSnapDistSq*virtualSnapDistSq; |
---|
1192 | virtualSpace = Config.getPref().getInt("mappaint.node.virtual-space", 70); |
---|
1193 | } |
---|
1194 | |
---|
1195 | /** |
---|
1196 | * Calculate a virtual node if there is enough visual space to draw a |
---|
1197 | * crosshair node and the middle of a way segment is clicked. If the |
---|
1198 | * user drags the crosshair node, it will be added to all ways in |
---|
1199 | * <code>virtualWays</code>. |
---|
1200 | * |
---|
1201 | * @param p the point clicked |
---|
1202 | * @return whether |
---|
1203 | * <code>virtualNode</code> and |
---|
1204 | * <code>virtualWays</code> were setup. |
---|
1205 | */ |
---|
1206 | private boolean activateVirtualNodeNearPoint(Point p) { |
---|
1207 | if (nodeVirtualSize > 0) { |
---|
1208 | |
---|
1209 | Collection<WaySegment> selVirtualWays = new LinkedList<>(); |
---|
1210 | Pair<Node, Node> vnp = null, wnp = new Pair<>(null, null); |
---|
1211 | |
---|
1212 | for (WaySegment ws : mv.getNearestWaySegments(p, mv.isSelectablePredicate)) { |
---|
1213 | Way w = ws.way; |
---|
1214 | |
---|
1215 | wnp.a = w.getNode(ws.lowerIndex); |
---|
1216 | wnp.b = w.getNode(ws.lowerIndex + 1); |
---|
1217 | MapViewPoint p1 = mv.getState().getPointFor(wnp.a); |
---|
1218 | MapViewPoint p2 = mv.getState().getPointFor(wnp.b); |
---|
1219 | if (WireframeMapRenderer.isLargeSegment(p1, p2, virtualSpace)) { |
---|
1220 | Point2D pc = new Point2D.Double((p1.getInViewX() + p2.getInViewX()) / 2, (p1.getInViewY() + p2.getInViewY()) / 2); |
---|
1221 | if (p.distanceSq(pc) < virtualSnapDistSq2) { |
---|
1222 | // Check that only segments on top of each other get added to the |
---|
1223 | // virtual ways list. Otherwise ways that coincidentally have their |
---|
1224 | // virtual node at the same spot will be joined which is likely unwanted |
---|
1225 | Pair.sort(wnp); |
---|
1226 | if (vnp == null) { |
---|
1227 | vnp = new Pair<>(wnp.a, wnp.b); |
---|
1228 | virtualNode = new Node(mv.getLatLon(pc.getX(), pc.getY())); |
---|
1229 | } |
---|
1230 | if (vnp.equals(wnp)) { |
---|
1231 | // if mutiple line segments have the same points, |
---|
1232 | // add all segments to be splitted to virtualWays list |
---|
1233 | // if some lines are selected, only their segments will go to virtualWays |
---|
1234 | (w.isSelected() ? selVirtualWays : virtualWays).add(ws); |
---|
1235 | } |
---|
1236 | } |
---|
1237 | } |
---|
1238 | } |
---|
1239 | |
---|
1240 | if (!selVirtualWays.isEmpty()) { |
---|
1241 | virtualWays = selVirtualWays; |
---|
1242 | } |
---|
1243 | } |
---|
1244 | |
---|
1245 | return !virtualWays.isEmpty(); |
---|
1246 | } |
---|
1247 | |
---|
1248 | private void createMiddleNodeFromVirtual(EastNorth currentEN) { |
---|
1249 | DataSet ds = getLayerManager().getEditDataSet(); |
---|
1250 | Collection<Command> virtualCmds = new LinkedList<>(); |
---|
1251 | virtualCmds.add(new AddCommand(ds, virtualNode)); |
---|
1252 | for (WaySegment virtualWay : virtualWays) { |
---|
1253 | Way w = virtualWay.way; |
---|
1254 | Way wnew = new Way(w); |
---|
1255 | wnew.addNode(virtualWay.lowerIndex + 1, virtualNode); |
---|
1256 | virtualCmds.add(new ChangeCommand(ds, w, wnew)); |
---|
1257 | } |
---|
1258 | virtualCmds.add(new MoveCommand(ds, virtualNode, startEN, currentEN)); |
---|
1259 | String text = trn("Add and move a virtual new node to way", |
---|
1260 | "Add and move a virtual new node to {0} ways", virtualWays.size(), |
---|
1261 | virtualWays.size()); |
---|
1262 | MainApplication.undoRedo.add(new SequenceCommand(text, virtualCmds)); |
---|
1263 | ds.setSelected(Collections.singleton((OsmPrimitive) virtualNode)); |
---|
1264 | clear(); |
---|
1265 | } |
---|
1266 | |
---|
1267 | private void clear() { |
---|
1268 | virtualWays.clear(); |
---|
1269 | virtualNode = null; |
---|
1270 | } |
---|
1271 | |
---|
1272 | private boolean hasVirtualNode() { |
---|
1273 | return virtualNode != null; |
---|
1274 | } |
---|
1275 | |
---|
1276 | private boolean hasVirtualWaysToBeConstructed() { |
---|
1277 | return !virtualWays.isEmpty(); |
---|
1278 | } |
---|
1279 | } |
---|
1280 | |
---|
1281 | /** |
---|
1282 | * Returns {@code o} as collection of {@code o}'s type. |
---|
1283 | * @param <T> object type |
---|
1284 | * @param o any object |
---|
1285 | * @return {@code o} as collection of {@code o}'s type. |
---|
1286 | */ |
---|
1287 | protected static <T> Collection<T> asColl(T o) { |
---|
1288 | return o == null ? Collections.emptySet() : Collections.singleton(o); |
---|
1289 | } |
---|
1290 | } |
---|