1 | // License: GPL. See LICENSE file for details.
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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.marktr;
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6 | import static org.openstreetmap.josm.tools.I18n.tr;
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7 | import static org.openstreetmap.josm.tools.I18n.trn;
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8 |
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9 | import java.awt.AWTEvent;
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10 | import java.awt.BasicStroke;
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11 | import java.awt.Color;
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12 | import java.awt.Component;
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13 | import java.awt.Cursor;
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14 | import java.awt.Graphics2D;
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15 | import java.awt.KeyboardFocusManager;
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16 | import java.awt.Point;
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17 | import java.awt.Stroke;
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18 | import java.awt.Toolkit;
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19 | import java.awt.event.AWTEventListener;
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20 | import java.awt.event.ActionEvent;
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21 | import java.awt.event.ActionListener;
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22 | import java.awt.event.InputEvent;
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23 | import java.awt.event.KeyEvent;
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24 | import java.awt.event.MouseEvent;
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25 | import java.awt.event.MouseListener;
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26 | import java.awt.geom.GeneralPath;
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27 | import java.util.ArrayList;
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28 | import java.util.Arrays;
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29 | import java.util.Collection;
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30 | import java.util.Collections;
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31 | import java.util.HashMap;
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32 | import java.util.HashSet;
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33 | import java.util.Iterator;
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34 | import java.util.LinkedList;
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35 | import java.util.List;
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36 | import java.util.Map;
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37 | import java.util.Set;
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38 | import java.util.TreeSet;
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39 |
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40 | import javax.swing.AbstractAction;
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41 | import javax.swing.JCheckBoxMenuItem;
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42 | import javax.swing.JFrame;
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43 | import javax.swing.JMenuItem;
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44 | import javax.swing.JOptionPane;
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45 | import javax.swing.JPopupMenu;
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46 | import javax.swing.SwingUtilities;
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47 | import javax.swing.Timer;
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48 |
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49 | import org.openstreetmap.josm.Main;
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50 | import org.openstreetmap.josm.actions.JosmAction;
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51 | import org.openstreetmap.josm.command.AddCommand;
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52 | import org.openstreetmap.josm.command.ChangeCommand;
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53 | import org.openstreetmap.josm.command.Command;
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54 | import org.openstreetmap.josm.command.SequenceCommand;
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55 | import org.openstreetmap.josm.data.Bounds;
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56 | import org.openstreetmap.josm.data.SelectionChangedListener;
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57 | import org.openstreetmap.josm.data.coor.EastNorth;
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58 | import org.openstreetmap.josm.data.coor.LatLon;
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59 | import org.openstreetmap.josm.data.osm.DataSet;
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60 | import org.openstreetmap.josm.data.osm.Node;
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61 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
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62 | import org.openstreetmap.josm.data.osm.Way;
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63 | import org.openstreetmap.josm.data.osm.WaySegment;
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64 | import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors;
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65 | import org.openstreetmap.josm.gui.MainMenu;
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66 | import org.openstreetmap.josm.gui.MapFrame;
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67 | import org.openstreetmap.josm.gui.MapView;
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68 | import org.openstreetmap.josm.gui.NavigatableComponent;
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69 | import org.openstreetmap.josm.gui.layer.Layer;
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70 | import org.openstreetmap.josm.gui.layer.MapViewPaintable;
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71 | import org.openstreetmap.josm.gui.layer.OsmDataLayer;
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72 | import org.openstreetmap.josm.gui.util.GuiHelper;
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73 | import org.openstreetmap.josm.gui.widgets.PopupMenuLauncher;
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74 | import org.openstreetmap.josm.tools.Geometry;
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75 | import org.openstreetmap.josm.tools.ImageProvider;
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76 | import org.openstreetmap.josm.tools.Pair;
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77 | import org.openstreetmap.josm.tools.Shortcut;
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78 | import org.openstreetmap.josm.tools.Utils;
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79 |
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80 | /**
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81 | * Mapmode to add nodes, create and extend ways.
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82 | */
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83 | public class DrawAction extends MapMode implements MapViewPaintable, SelectionChangedListener, AWTEventListener {
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84 | final private Cursor cursorJoinNode;
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85 | final private Cursor cursorJoinWay;
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86 |
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87 | private Node lastUsedNode = null;
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88 | private double PHI=Math.toRadians(90);
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89 | private double toleranceMultiplier;
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90 |
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91 | private Node mouseOnExistingNode;
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92 | private Set<Way> mouseOnExistingWays = new HashSet<Way>();
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93 | // old highlights store which primitives are currently highlighted. This
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94 | // is true, even if target highlighting is disabled since the status bar
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95 | // derives its information from this list as well.
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96 | private Set<OsmPrimitive> oldHighlights = new HashSet<OsmPrimitive>();
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97 | // new highlights contains a list of primitives that should be highlighted
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98 | // but haven’t been so far. The idea is to compare old and new and only
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99 | // repaint if there are changes.
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100 | private Set<OsmPrimitive> newHighlights = new HashSet<OsmPrimitive>();
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101 | private boolean drawHelperLine;
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102 | private boolean wayIsFinished = false;
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103 | private boolean drawTargetHighlight;
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104 | private Point mousePos;
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105 | private Point oldMousePos;
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106 | private Color rubberLineColor;
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107 |
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108 | private Node currentBaseNode;
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109 | private Node previousNode;
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110 | private EastNorth currentMouseEastNorth;
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111 |
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112 | private final SnapHelper snapHelper = new SnapHelper();
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113 |
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114 | private Shortcut backspaceShortcut;
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115 | private BackSpaceAction backspaceAction;
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116 | private final Shortcut snappingShortcut;
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117 |
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118 | private final SnapChangeAction snapChangeAction;
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119 | private final JCheckBoxMenuItem snapCheckboxMenuItem;
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120 | private boolean useRepeatedShortcut;
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121 | private Stroke rubberLineStroke;
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122 | private static final BasicStroke BASIC_STROKE = new BasicStroke(1);
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123 |
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124 | public DrawAction(MapFrame mapFrame) {
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125 | super(tr("Draw"), "node/autonode", tr("Draw nodes"),
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126 | Shortcut.registerShortcut("mapmode:draw", tr("Mode: {0}", tr("Draw")), KeyEvent.VK_A, Shortcut.DIRECT),
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127 | mapFrame, ImageProvider.getCursor("crosshair", null));
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128 |
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129 | snappingShortcut = Shortcut.registerShortcut("mapmode:drawanglesnapping",
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130 | tr("Mode: Draw Angle snapping"), KeyEvent.CHAR_UNDEFINED, Shortcut.NONE);
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131 | snapChangeAction = new SnapChangeAction();
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132 | snapCheckboxMenuItem = addMenuItem();
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133 | snapHelper.setMenuCheckBox(snapCheckboxMenuItem);
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134 | backspaceShortcut = Shortcut.registerShortcut("mapmode:backspace",
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135 | tr("Backspace in Add mode"), KeyEvent.VK_BACK_SPACE, Shortcut.DIRECT);
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136 | backspaceAction = new BackSpaceAction();
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137 | cursorJoinNode = ImageProvider.getCursor("crosshair", "joinnode");
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138 | cursorJoinWay = ImageProvider.getCursor("crosshair", "joinway");
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139 | }
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140 |
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141 | private JCheckBoxMenuItem addMenuItem() {
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142 | int n=Main.main.menu.editMenu.getItemCount();
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143 | for (int i=n-1;i>0;i--) {
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144 | JMenuItem item = Main.main.menu.editMenu.getItem(i);
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145 | if (item!=null && item.getAction() !=null && item.getAction() instanceof SnapChangeAction) {
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146 | Main.main.menu.editMenu.remove(i);
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147 | }
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148 | }
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149 | return MainMenu.addWithCheckbox(Main.main.menu.editMenu, snapChangeAction, MainMenu.WINDOW_MENU_GROUP.VOLATILE);
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150 | }
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151 |
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152 | /**
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153 | * Checks if a map redraw is required and does so if needed. Also updates the status bar
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154 | */
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155 | private boolean redrawIfRequired() {
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156 | updateStatusLine();
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157 | // repaint required if the helper line is active.
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158 | boolean needsRepaint = drawHelperLine && !wayIsFinished;
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159 | if(drawTargetHighlight) {
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160 | // move newHighlights to oldHighlights; only update changed primitives
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161 | for(OsmPrimitive x : newHighlights) {
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162 | if(oldHighlights.contains(x)) {
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163 | continue;
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164 | }
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165 | x.setHighlighted(true);
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166 | needsRepaint = true;
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167 | }
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168 | oldHighlights.removeAll(newHighlights);
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169 | for(OsmPrimitive x : oldHighlights) {
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170 | x.setHighlighted(false);
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171 | needsRepaint = true;
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172 | }
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173 | }
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174 | // required in order to print correct help text
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175 | oldHighlights = newHighlights;
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176 |
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177 | if (!needsRepaint && !drawTargetHighlight)
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178 | return false;
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179 |
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180 | // update selection to reflect which way being modified
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181 | if (currentBaseNode != null && getCurrentDataSet() != null && getCurrentDataSet().getSelected().isEmpty() == false) {
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182 | Way continueFrom = getWayForNode(currentBaseNode);
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183 | if (alt && continueFrom != null && (!currentBaseNode.isSelected() || continueFrom.isSelected())) {
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184 | getCurrentDataSet().beginUpdate(); // to prevent the selection listener to screw around with the state
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185 | getCurrentDataSet().addSelected(currentBaseNode);
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186 | getCurrentDataSet().clearSelection(continueFrom);
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187 | getCurrentDataSet().endUpdate();
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188 | needsRepaint = true;
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189 | } else if (!alt && continueFrom != null && !continueFrom.isSelected()) {
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190 | getCurrentDataSet().addSelected(continueFrom);
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191 | needsRepaint = true;
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192 | }
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193 | }
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194 |
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195 | if(needsRepaint) {
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196 | Main.map.mapView.repaint();
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197 | }
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198 | return needsRepaint;
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199 | }
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200 |
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201 | @Override
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202 | public void enterMode() {
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203 | if (!isEnabled())
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204 | return;
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205 | super.enterMode();
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206 |
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207 | rubberLineColor = Main.pref.getColor(marktr("helper line"), null);
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208 | if (rubberLineColor == null) rubberLineColor = PaintColors.SELECTED.get();
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209 |
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210 | rubberLineStroke = GuiHelper.getCustomizedStroke(Main.pref.get("draw.stroke.helper-line","3"));
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211 | drawHelperLine = Main.pref.getBoolean("draw.helper-line", true);
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212 | drawTargetHighlight = Main.pref.getBoolean("draw.target-highlight", true);
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213 |
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214 | // determine if selection is suitable to continue drawing. If it
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215 | // isn't, set wayIsFinished to true to avoid superfluous repaints.
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216 | determineCurrentBaseNodeAndPreviousNode(getCurrentDataSet().getSelected());
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217 | wayIsFinished = currentBaseNode == null;
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218 |
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219 | toleranceMultiplier = 0.01 * NavigatableComponent.PROP_SNAP_DISTANCE.get();
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220 |
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221 | snapHelper.init();
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222 | snapCheckboxMenuItem.getAction().setEnabled(true);
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223 |
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224 | timer = new Timer(0, new ActionListener() {
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225 | @Override
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226 | public void actionPerformed(ActionEvent ae) {
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227 | timer.stop();
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228 | if (set.remove(releaseEvent.getKeyCode())) {
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229 | doKeyReleaseEvent(releaseEvent);
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230 | }
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231 | }
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232 |
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233 | });
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234 | Main.map.statusLine.getAnglePanel().addMouseListener(snapHelper.anglePopupListener);
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235 | Main.registerActionShortcut(backspaceAction, backspaceShortcut);
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236 |
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237 | Main.map.mapView.addMouseListener(this);
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238 | Main.map.mapView.addMouseMotionListener(this);
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239 | Main.map.mapView.addTemporaryLayer(this);
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240 | DataSet.addSelectionListener(this);
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241 |
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242 | try {
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243 | Toolkit.getDefaultToolkit().addAWTEventListener(this, AWTEvent.KEY_EVENT_MASK);
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244 | } catch (SecurityException ex) {
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245 | }
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246 | // would like to but haven't got mouse position yet:
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247 | // computeHelperLine(false, false, false);
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248 | }
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249 |
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250 | @Override
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251 | public void exitMode() {
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252 | super.exitMode();
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253 | Main.map.mapView.removeMouseListener(this);
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254 | Main.map.mapView.removeMouseMotionListener(this);
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255 | Main.map.mapView.removeTemporaryLayer(this);
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256 | DataSet.removeSelectionListener(this);
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257 | Main.unregisterActionShortcut(backspaceAction, backspaceShortcut);
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258 | snapHelper.unsetFixedMode();
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259 | snapCheckboxMenuItem.getAction().setEnabled(false);
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260 |
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261 | Main.map.statusLine.getAnglePanel().removeMouseListener(snapHelper.anglePopupListener);
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262 | Main.map.statusLine.activateAnglePanel(false);
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263 |
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264 | removeHighlighting();
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265 | try {
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266 | Toolkit.getDefaultToolkit().removeAWTEventListener(this);
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267 | } catch (SecurityException ex) {
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268 | }
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269 |
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270 | // when exiting we let everybody know about the currently selected
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271 | // primitives
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272 | //
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273 | DataSet ds = getCurrentDataSet();
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274 | if(ds != null) {
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275 | ds.fireSelectionChanged();
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276 | }
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277 | }
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278 |
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279 | /**
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280 | * redraw to (possibly) get rid of helper line if selection changes.
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281 | */
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282 | @Override
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283 | public void eventDispatched(AWTEvent event) {
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284 | if(Main.map == null || Main.map.mapView == null || !Main.map.mapView.isActiveLayerDrawable())
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285 | return;
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286 | if (event instanceof KeyEvent) {
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287 | KeyEvent e = (KeyEvent) event;
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288 | if (snappingShortcut.isEvent(e) || (useRepeatedShortcut && getShortcut().isEvent(e))) {
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289 | Component focused = KeyboardFocusManager.getCurrentKeyboardFocusManager().getFocusOwner();
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290 | if (SwingUtilities.getWindowAncestor(focused) instanceof JFrame) {
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291 | processKeyEvent(e);
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292 | }
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293 | }
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294 | } // toggle angle snapping
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295 | updateKeyModifiers((InputEvent) event);
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296 | computeHelperLine();
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297 | addHighlighting();
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298 | }
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299 |
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300 | // events for crossplatform key holding processing
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301 | // thanks to http://www.arco.in-berlin.de/keyevent.html
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302 | private final TreeSet<Integer> set = new TreeSet<Integer>();
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303 | private KeyEvent releaseEvent;
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304 | private Timer timer;
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305 | void processKeyEvent(KeyEvent e) {
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306 | if (!snappingShortcut.isEvent(e) && !(useRepeatedShortcut && getShortcut().isEvent(e)))
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307 | return;
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308 |
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309 | if (e.getID() == KeyEvent.KEY_PRESSED) {
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310 | if (timer.isRunning()) {
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311 | timer.stop();
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312 | } else if (set.add((e.getKeyCode()))) {
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313 | doKeyPressEvent(e);
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314 | }
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315 | } else if (e.getID() == KeyEvent.KEY_RELEASED) {
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316 | if (timer.isRunning()) {
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317 | timer.stop();
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318 | if (set.remove(e.getKeyCode())) {
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319 | doKeyReleaseEvent(e);
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320 | }
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321 | } else {
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322 | releaseEvent = e;
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323 | timer.restart();
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324 | }
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325 | }
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326 | }
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327 |
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328 | private void doKeyPressEvent(KeyEvent e) {
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329 | snapHelper.setFixedMode();
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330 | computeHelperLine();
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331 | redrawIfRequired();
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332 | }
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333 | private void doKeyReleaseEvent(KeyEvent e) {
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334 | snapHelper.unFixOrTurnOff();
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335 | computeHelperLine();
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336 | redrawIfRequired();
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337 | }
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338 |
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339 | /**
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340 | * redraw to (possibly) get rid of helper line if selection changes.
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341 | */
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342 | @Override
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343 | public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
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344 | if(!Main.map.mapView.isActiveLayerDrawable())
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345 | return;
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346 | computeHelperLine();
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347 | addHighlighting();
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348 | }
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349 |
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350 | private void tryAgain(MouseEvent e) {
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351 | getCurrentDataSet().setSelected();
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352 | mouseReleased(e);
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353 | }
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354 |
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355 | /**
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356 | * This function should be called when the user wishes to finish his current draw action.
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357 | * If Potlatch Style is enabled, it will switch to select tool, otherwise simply disable
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358 | * the helper line until the user chooses to draw something else.
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359 | */
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360 | private void finishDrawing() {
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361 | // let everybody else know about the current selection
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362 | //
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363 | Main.main.getCurrentDataSet().fireSelectionChanged();
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364 | lastUsedNode = null;
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365 | wayIsFinished = true;
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366 | Main.map.selectSelectTool(true);
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367 | snapHelper.noSnapNow();
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368 |
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369 | // Redraw to remove the helper line stub
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370 | computeHelperLine();
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371 | removeHighlighting();
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372 | }
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373 |
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374 | private Point rightClickPressPos;
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375 |
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376 | @Override
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377 | public void mousePressed(MouseEvent e) {
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378 | if (e.getButton() == MouseEvent.BUTTON3) {
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379 | rightClickPressPos = e.getPoint();
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380 | }
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381 | }
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382 |
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383 | /**
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384 | * If user clicked with the left button, add a node at the current mouse
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385 | * position.
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386 | *
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387 | * If in nodeway mode, insert the node into the way.
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388 | */
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389 | @Override public void mouseReleased(MouseEvent e) {
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390 | if (e.getButton() == MouseEvent.BUTTON3) {
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391 | Point curMousePos = e.getPoint();
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392 | if (curMousePos.equals(rightClickPressPos)) {
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393 | tryToSetBaseSegmentForAngleSnap();
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394 | }
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395 | return;
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396 | }
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397 | if (e.getButton() != MouseEvent.BUTTON1)
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398 | return;
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399 | if(!Main.map.mapView.isActiveLayerDrawable())
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400 | return;
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401 | // request focus in order to enable the expected keyboard shortcuts
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402 | //
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403 | Main.map.mapView.requestFocus();
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404 |
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405 | if(e.getClickCount() > 1 && mousePos != null && mousePos.equals(oldMousePos)) {
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406 | // A double click equals "user clicked last node again, finish way"
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407 | // Change draw tool only if mouse position is nearly the same, as
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408 | // otherwise fast clicks will count as a double click
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409 | finishDrawing();
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410 | return;
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411 | }
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412 | oldMousePos = mousePos;
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413 |
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414 | // we copy ctrl/alt/shift from the event just in case our global
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415 | // AWTEvent didn't make it through the security manager. Unclear
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416 | // if that can ever happen but better be safe.
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417 | updateKeyModifiers(e);
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418 | mousePos = e.getPoint();
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419 |
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420 | DataSet ds = getCurrentDataSet();
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421 | Collection<OsmPrimitive> selection = new ArrayList<OsmPrimitive>(ds.getSelected());
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422 | Collection<Command> cmds = new LinkedList<Command>();
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423 | Collection<OsmPrimitive> newSelection = new LinkedList<OsmPrimitive>(ds.getSelected());
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424 |
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425 | ArrayList<Way> reuseWays = new ArrayList<Way>(),
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426 | replacedWays = new ArrayList<Way>();
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427 | boolean newNode = false;
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428 | Node n = null;
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429 |
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430 | n = Main.map.mapView.getNearestNode(mousePos, OsmPrimitive.isSelectablePredicate);
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431 | if (ctrl) {
|
---|
432 | Iterator<Way> it = getCurrentDataSet().getSelectedWays().iterator();
|
---|
433 | if (it.hasNext()) {
|
---|
434 | // ctrl-click on node of selected way = reuse node despite of ctrl
|
---|
435 | if (!it.next().containsNode(n)) n = null;
|
---|
436 | } else {
|
---|
437 | n=null; // ctrl-click + no selected way = new node
|
---|
438 | }
|
---|
439 | }
|
---|
440 |
|
---|
441 | if (n != null && !snapHelper.isActive()) {
|
---|
442 | // user clicked on node
|
---|
443 | if (selection.isEmpty() || wayIsFinished) {
|
---|
444 | // select the clicked node and do nothing else
|
---|
445 | // (this is just a convenience option so that people don't
|
---|
446 | // have to switch modes)
|
---|
447 |
|
---|
448 | getCurrentDataSet().setSelected(n);
|
---|
449 | // If we extend/continue an existing way, select it already now to make it obvious
|
---|
450 | Way continueFrom = getWayForNode(n);
|
---|
451 | if (continueFrom != null) {
|
---|
452 | getCurrentDataSet().addSelected(continueFrom);
|
---|
453 | }
|
---|
454 |
|
---|
455 | // The user explicitly selected a node, so let him continue drawing
|
---|
456 | wayIsFinished = false;
|
---|
457 | return;
|
---|
458 | }
|
---|
459 | } else {
|
---|
460 | EastNorth newEN;
|
---|
461 | if (n!=null) {
|
---|
462 | EastNorth foundPoint = n.getEastNorth();
|
---|
463 | // project found node to snapping line
|
---|
464 | newEN = snapHelper.getSnapPoint(foundPoint);
|
---|
465 | // do not add new node if there is some node within snapping distance
|
---|
466 | double tolerance = Main.map.mapView.getDist100Pixel() * toleranceMultiplier;
|
---|
467 | if (foundPoint.distance(newEN) > tolerance) {
|
---|
468 | n = new Node(newEN); // point != projected, so we create new node
|
---|
469 | newNode = true;
|
---|
470 | }
|
---|
471 | } else { // n==null, no node found in clicked area
|
---|
472 | EastNorth mouseEN = Main.map.mapView.getEastNorth(e.getX(), e.getY());
|
---|
473 | newEN = snapHelper.isSnapOn() ? snapHelper.getSnapPoint(mouseEN) : mouseEN;
|
---|
474 | n = new Node(newEN); //create node at clicked point
|
---|
475 | newNode = true;
|
---|
476 | }
|
---|
477 | snapHelper.unsetFixedMode();
|
---|
478 | }
|
---|
479 |
|
---|
480 | if (newNode) {
|
---|
481 | if (n.getCoor().isOutSideWorld()) {
|
---|
482 | JOptionPane.showMessageDialog(
|
---|
483 | Main.parent,
|
---|
484 | tr("Cannot add a node outside of the world."),
|
---|
485 | tr("Warning"),
|
---|
486 | JOptionPane.WARNING_MESSAGE
|
---|
487 | );
|
---|
488 | return;
|
---|
489 | }
|
---|
490 | cmds.add(new AddCommand(n));
|
---|
491 |
|
---|
492 | if (!ctrl) {
|
---|
493 | // Insert the node into all the nearby way segments
|
---|
494 | List<WaySegment> wss = Main.map.mapView.getNearestWaySegments(
|
---|
495 | Main.map.mapView.getPoint(n), OsmPrimitive.isSelectablePredicate);
|
---|
496 | if (snapHelper.isActive()) {
|
---|
497 | tryToMoveNodeOnIntersection(wss,n);
|
---|
498 | }
|
---|
499 | insertNodeIntoAllNearbySegments(wss, n, newSelection, cmds, replacedWays, reuseWays);
|
---|
500 | }
|
---|
501 | }
|
---|
502 | // now "n" is newly created or reused node that shoud be added to some way
|
---|
503 |
|
---|
504 | // This part decides whether or not a "segment" (i.e. a connection) is made to an
|
---|
505 | // existing node.
|
---|
506 |
|
---|
507 | // For a connection to be made, the user must either have a node selected (connection
|
---|
508 | // is made to that node), or he must have a way selected *and* one of the endpoints
|
---|
509 | // of that way must be the last used node (connection is made to last used node), or
|
---|
510 | // he must have a way and a node selected (connection is made to the selected node).
|
---|
511 |
|
---|
512 | // If the above does not apply, the selection is cleared and a new try is started
|
---|
513 |
|
---|
514 | boolean extendedWay = false;
|
---|
515 | boolean wayIsFinishedTemp = wayIsFinished;
|
---|
516 | wayIsFinished = false;
|
---|
517 |
|
---|
518 | // don't draw lines if shift is held
|
---|
519 | if (!selection.isEmpty() && !shift) {
|
---|
520 | Node selectedNode = null;
|
---|
521 | Way selectedWay = null;
|
---|
522 |
|
---|
523 | for (OsmPrimitive p : selection) {
|
---|
524 | if (p instanceof Node) {
|
---|
525 | if (selectedNode != null) {
|
---|
526 | // Too many nodes selected to do something useful
|
---|
527 | tryAgain(e);
|
---|
528 | return;
|
---|
529 | }
|
---|
530 | selectedNode = (Node) p;
|
---|
531 | } else if (p instanceof Way) {
|
---|
532 | if (selectedWay != null) {
|
---|
533 | // Too many ways selected to do something useful
|
---|
534 | tryAgain(e);
|
---|
535 | return;
|
---|
536 | }
|
---|
537 | selectedWay = (Way) p;
|
---|
538 | }
|
---|
539 | }
|
---|
540 |
|
---|
541 | // the node from which we make a connection
|
---|
542 | Node n0 = findNodeToContinueFrom(selectedNode, selectedWay);
|
---|
543 | // We have a selection but it isn't suitable. Try again.
|
---|
544 | if(n0 == null) {
|
---|
545 | tryAgain(e);
|
---|
546 | return;
|
---|
547 | }
|
---|
548 | if(!wayIsFinishedTemp){
|
---|
549 | if(isSelfContainedWay(selectedWay, n0, n))
|
---|
550 | return;
|
---|
551 |
|
---|
552 | // User clicked last node again, finish way
|
---|
553 | if(n0 == n) {
|
---|
554 | finishDrawing();
|
---|
555 | return;
|
---|
556 | }
|
---|
557 |
|
---|
558 | // Ok we know now that we'll insert a line segment, but will it connect to an
|
---|
559 | // existing way or make a new way of its own? The "alt" modifier means that the
|
---|
560 | // user wants a new way.
|
---|
561 | Way way = alt ? null : (selectedWay != null) ? selectedWay : getWayForNode(n0);
|
---|
562 | Way wayToSelect;
|
---|
563 |
|
---|
564 | // Don't allow creation of self-overlapping ways
|
---|
565 | if(way != null) {
|
---|
566 | int nodeCount=0;
|
---|
567 | for (Node p : way.getNodes())
|
---|
568 | if(p.equals(n0)) {
|
---|
569 | nodeCount++;
|
---|
570 | }
|
---|
571 | if(nodeCount > 1) {
|
---|
572 | way = null;
|
---|
573 | }
|
---|
574 | }
|
---|
575 |
|
---|
576 | if (way == null) {
|
---|
577 | way = new Way();
|
---|
578 | way.addNode(n0);
|
---|
579 | cmds.add(new AddCommand(way));
|
---|
580 | wayToSelect = way;
|
---|
581 | } else {
|
---|
582 | int i;
|
---|
583 | if ((i = replacedWays.indexOf(way)) != -1) {
|
---|
584 | way = reuseWays.get(i);
|
---|
585 | wayToSelect = way;
|
---|
586 | } else {
|
---|
587 | wayToSelect = way;
|
---|
588 | Way wnew = new Way(way);
|
---|
589 | cmds.add(new ChangeCommand(way, wnew));
|
---|
590 | way = wnew;
|
---|
591 | }
|
---|
592 | }
|
---|
593 |
|
---|
594 | // Connected to a node that's already in the way
|
---|
595 | if(way.containsNode(n)) {
|
---|
596 | wayIsFinished = true;
|
---|
597 | selection.clear();
|
---|
598 | }
|
---|
599 |
|
---|
600 | // Add new node to way
|
---|
601 | if (way.getNode(way.getNodesCount() - 1) == n0) {
|
---|
602 | way.addNode(n);
|
---|
603 | } else {
|
---|
604 | way.addNode(0, n);
|
---|
605 | }
|
---|
606 |
|
---|
607 | extendedWay = true;
|
---|
608 | newSelection.clear();
|
---|
609 | newSelection.add(wayToSelect);
|
---|
610 | }
|
---|
611 | }
|
---|
612 |
|
---|
613 | String title;
|
---|
614 | if (!extendedWay) {
|
---|
615 | if (!newNode)
|
---|
616 | return; // We didn't do anything.
|
---|
617 | else if (reuseWays.isEmpty()) {
|
---|
618 | title = tr("Add node");
|
---|
619 | } else {
|
---|
620 | title = tr("Add node into way");
|
---|
621 | for (Way w : reuseWays) {
|
---|
622 | newSelection.remove(w);
|
---|
623 | }
|
---|
624 | }
|
---|
625 | newSelection.clear();
|
---|
626 | newSelection.add(n);
|
---|
627 | } else if (!newNode) {
|
---|
628 | title = tr("Connect existing way to node");
|
---|
629 | } else if (reuseWays.isEmpty()) {
|
---|
630 | title = tr("Add a new node to an existing way");
|
---|
631 | } else {
|
---|
632 | title = tr("Add node into way and connect");
|
---|
633 | }
|
---|
634 |
|
---|
635 | Command c = new SequenceCommand(title, cmds);
|
---|
636 |
|
---|
637 | Main.main.undoRedo.add(c);
|
---|
638 | if(!wayIsFinished) {
|
---|
639 | lastUsedNode = n;
|
---|
640 | }
|
---|
641 |
|
---|
642 | getCurrentDataSet().setSelected(newSelection);
|
---|
643 |
|
---|
644 | // "viewport following" mode for tracing long features
|
---|
645 | // from aerial imagery or GPS tracks.
|
---|
646 | if (n != null && Main.map.mapView.viewportFollowing) {
|
---|
647 | Main.map.mapView.smoothScrollTo(n.getEastNorth());
|
---|
648 | }
|
---|
649 | computeHelperLine();
|
---|
650 | removeHighlighting();
|
---|
651 | }
|
---|
652 |
|
---|
653 | private void insertNodeIntoAllNearbySegments(List<WaySegment> wss, Node n, Collection<OsmPrimitive> newSelection, Collection<Command> cmds, ArrayList<Way> replacedWays, ArrayList<Way> reuseWays) {
|
---|
654 | Map<Way, List<Integer>> insertPoints = new HashMap<Way, List<Integer>>();
|
---|
655 | for (WaySegment ws : wss) {
|
---|
656 | List<Integer> is;
|
---|
657 | if (insertPoints.containsKey(ws.way)) {
|
---|
658 | is = insertPoints.get(ws.way);
|
---|
659 | } else {
|
---|
660 | is = new ArrayList<Integer>();
|
---|
661 | insertPoints.put(ws.way, is);
|
---|
662 | }
|
---|
663 |
|
---|
664 | is.add(ws.lowerIndex);
|
---|
665 | }
|
---|
666 |
|
---|
667 | Set<Pair<Node,Node>> segSet = new HashSet<Pair<Node,Node>>();
|
---|
668 |
|
---|
669 | for (Map.Entry<Way, List<Integer>> insertPoint : insertPoints.entrySet()) {
|
---|
670 | Way w = insertPoint.getKey();
|
---|
671 | List<Integer> is = insertPoint.getValue();
|
---|
672 |
|
---|
673 | Way wnew = new Way(w);
|
---|
674 |
|
---|
675 | pruneSuccsAndReverse(is);
|
---|
676 | for (int i : is) {
|
---|
677 | segSet.add(Pair.sort(new Pair<Node,Node>(w.getNode(i), w.getNode(i+1))));
|
---|
678 | }
|
---|
679 | for (int i : is) {
|
---|
680 | wnew.addNode(i + 1, n);
|
---|
681 | }
|
---|
682 |
|
---|
683 | // If ALT is pressed, a new way should be created and that new way should get
|
---|
684 | // selected. This works everytime unless the ways the nodes get inserted into
|
---|
685 | // are already selected. This is the case when creating a self-overlapping way
|
---|
686 | // but pressing ALT prevents this. Therefore we must de-select the way manually
|
---|
687 | // here so /only/ the new way will be selected after this method finishes.
|
---|
688 | if(alt) {
|
---|
689 | newSelection.add(insertPoint.getKey());
|
---|
690 | }
|
---|
691 |
|
---|
692 | cmds.add(new ChangeCommand(insertPoint.getKey(), wnew));
|
---|
693 | replacedWays.add(insertPoint.getKey());
|
---|
694 | reuseWays.add(wnew);
|
---|
695 | }
|
---|
696 |
|
---|
697 | adjustNode(segSet, n);
|
---|
698 | }
|
---|
699 |
|
---|
700 | /**
|
---|
701 | * Prevent creation of ways that look like this: <---->
|
---|
702 | * This happens if users want to draw a no-exit-sideway from the main way like this:
|
---|
703 | * ^
|
---|
704 | * |<---->
|
---|
705 | * |
|
---|
706 | * The solution isn't ideal because the main way will end in the side way, which is bad for
|
---|
707 | * navigation software ("drive straight on") but at least easier to fix. Maybe users will fix
|
---|
708 | * it on their own, too. At least it's better than producing an error.
|
---|
709 | *
|
---|
710 | * @param selectedWay the way to check
|
---|
711 | * @param currentNode the current node (i.e. the one the connection will be made from)
|
---|
712 | * @param targetNode the target node (i.e. the one the connection will be made to)
|
---|
713 | * @return {@code true} if this would create a selfcontaining way, {@code false} otherwise.
|
---|
714 | */
|
---|
715 | private boolean isSelfContainedWay(Way selectedWay, Node currentNode, Node targetNode) {
|
---|
716 | if(selectedWay != null) {
|
---|
717 | int posn0 = selectedWay.getNodes().indexOf(currentNode);
|
---|
718 | if( posn0 != -1 && // n0 is part of way
|
---|
719 | (posn0 >= 1 && targetNode.equals(selectedWay.getNode(posn0-1))) || // previous node
|
---|
720 | (posn0 < selectedWay.getNodesCount()-1) && targetNode.equals(selectedWay.getNode(posn0+1))) { // next node
|
---|
721 | getCurrentDataSet().setSelected(targetNode);
|
---|
722 | lastUsedNode = targetNode;
|
---|
723 | return true;
|
---|
724 | }
|
---|
725 | }
|
---|
726 |
|
---|
727 | return false;
|
---|
728 | }
|
---|
729 |
|
---|
730 | /**
|
---|
731 | * Finds a node to continue drawing from. Decision is based upon given node and way.
|
---|
732 | * @param selectedNode Currently selected node, may be null
|
---|
733 | * @param selectedWay Currently selected way, may be null
|
---|
734 | * @return Node if a suitable node is found, null otherwise
|
---|
735 | */
|
---|
736 | private Node findNodeToContinueFrom(Node selectedNode, Way selectedWay) {
|
---|
737 | // No nodes or ways have been selected, this occurs when a relation
|
---|
738 | // has been selected or the selection is empty
|
---|
739 | if(selectedNode == null && selectedWay == null)
|
---|
740 | return null;
|
---|
741 |
|
---|
742 | if (selectedNode == null) {
|
---|
743 | if (selectedWay.isFirstLastNode(lastUsedNode))
|
---|
744 | return lastUsedNode;
|
---|
745 |
|
---|
746 | // We have a way selected, but no suitable node to continue from. Start anew.
|
---|
747 | return null;
|
---|
748 | }
|
---|
749 |
|
---|
750 | if (selectedWay == null)
|
---|
751 | return selectedNode;
|
---|
752 |
|
---|
753 | if (selectedWay.isFirstLastNode(selectedNode))
|
---|
754 | return selectedNode;
|
---|
755 |
|
---|
756 | // We have a way and node selected, but it's not at the start/end of the way. Start anew.
|
---|
757 | return null;
|
---|
758 | }
|
---|
759 |
|
---|
760 | @Override
|
---|
761 | public void mouseDragged(MouseEvent e) {
|
---|
762 | mouseMoved(e);
|
---|
763 | }
|
---|
764 |
|
---|
765 | @Override
|
---|
766 | public void mouseMoved(MouseEvent e) {
|
---|
767 | if(!Main.map.mapView.isActiveLayerDrawable())
|
---|
768 | return;
|
---|
769 |
|
---|
770 | // we copy ctrl/alt/shift from the event just in case our global
|
---|
771 | // AWTEvent didn't make it through the security manager. Unclear
|
---|
772 | // if that can ever happen but better be safe.
|
---|
773 | updateKeyModifiers(e);
|
---|
774 | mousePos = e.getPoint();
|
---|
775 | if (snapHelper.isSnapOn() && ctrl)
|
---|
776 | tryToSetBaseSegmentForAngleSnap();
|
---|
777 |
|
---|
778 | computeHelperLine();
|
---|
779 | addHighlighting();
|
---|
780 | }
|
---|
781 |
|
---|
782 | /**
|
---|
783 | * This method is used to detect segment under mouse and use it as reference for angle snapping
|
---|
784 | */
|
---|
785 | private void tryToSetBaseSegmentForAngleSnap() {
|
---|
786 | WaySegment seg = Main.map.mapView.getNearestWaySegment(mousePos, OsmPrimitive.isSelectablePredicate);
|
---|
787 | if (seg!=null) {
|
---|
788 | snapHelper.setBaseSegment(seg);
|
---|
789 | }
|
---|
790 | }
|
---|
791 |
|
---|
792 | /**
|
---|
793 | * This method prepares data required for painting the "helper line" from
|
---|
794 | * the last used position to the mouse cursor. It duplicates some code from
|
---|
795 | * mouseReleased() (FIXME).
|
---|
796 | */
|
---|
797 | private void computeHelperLine() {
|
---|
798 | MapView mv = Main.map.mapView;
|
---|
799 | if (mousePos == null) {
|
---|
800 | // Don't draw the line.
|
---|
801 | currentMouseEastNorth = null;
|
---|
802 | currentBaseNode = null;
|
---|
803 | return;
|
---|
804 | }
|
---|
805 |
|
---|
806 | Collection<OsmPrimitive> selection = getCurrentDataSet().getSelected();
|
---|
807 |
|
---|
808 | Node currentMouseNode = null;
|
---|
809 | mouseOnExistingNode = null;
|
---|
810 | mouseOnExistingWays = new HashSet<Way>();
|
---|
811 |
|
---|
812 | showStatusInfo(-1, -1, -1, snapHelper.isSnapOn());
|
---|
813 |
|
---|
814 | if (!ctrl && mousePos != null) {
|
---|
815 | currentMouseNode = mv.getNearestNode(mousePos, OsmPrimitive.isSelectablePredicate);
|
---|
816 | }
|
---|
817 |
|
---|
818 | // We need this for highlighting and we'll only do so if we actually want to re-use
|
---|
819 | // *and* there is no node nearby (because nodes beat ways when re-using)
|
---|
820 | if(!ctrl && currentMouseNode == null) {
|
---|
821 | List<WaySegment> wss = mv.getNearestWaySegments(mousePos, OsmPrimitive.isSelectablePredicate);
|
---|
822 | for(WaySegment ws : wss) {
|
---|
823 | mouseOnExistingWays.add(ws.way);
|
---|
824 | }
|
---|
825 | }
|
---|
826 |
|
---|
827 | if (currentMouseNode != null) {
|
---|
828 | // user clicked on node
|
---|
829 | if (selection.isEmpty()) return;
|
---|
830 | currentMouseEastNorth = currentMouseNode.getEastNorth();
|
---|
831 | mouseOnExistingNode = currentMouseNode;
|
---|
832 | } else {
|
---|
833 | // no node found in clicked area
|
---|
834 | currentMouseEastNorth = mv.getEastNorth(mousePos.x, mousePos.y);
|
---|
835 | }
|
---|
836 |
|
---|
837 | determineCurrentBaseNodeAndPreviousNode(selection);
|
---|
838 | if (previousNode == null) {
|
---|
839 | snapHelper.noSnapNow();
|
---|
840 | }
|
---|
841 |
|
---|
842 | if (currentBaseNode == null || currentBaseNode == currentMouseNode)
|
---|
843 | return; // Don't create zero length way segments.
|
---|
844 |
|
---|
845 |
|
---|
846 | double curHdg = Math.toDegrees(currentBaseNode.getEastNorth()
|
---|
847 | .heading(currentMouseEastNorth));
|
---|
848 | double baseHdg=-1;
|
---|
849 | if (previousNode != null) {
|
---|
850 | baseHdg = Math.toDegrees(previousNode.getEastNorth()
|
---|
851 | .heading(currentBaseNode.getEastNorth()));
|
---|
852 | }
|
---|
853 |
|
---|
854 | snapHelper.checkAngleSnapping(currentMouseEastNorth,baseHdg, curHdg);
|
---|
855 |
|
---|
856 | // status bar was filled by snapHelper
|
---|
857 | }
|
---|
858 |
|
---|
859 | private void showStatusInfo(double angle, double hdg, double distance, boolean activeFlag) {
|
---|
860 | Main.map.statusLine.setAngle(angle);
|
---|
861 | Main.map.statusLine.activateAnglePanel(activeFlag);
|
---|
862 | Main.map.statusLine.setHeading(hdg);
|
---|
863 | Main.map.statusLine.setDist(distance);
|
---|
864 | }
|
---|
865 |
|
---|
866 | /**
|
---|
867 | * Helper function that sets fields currentBaseNode and previousNode
|
---|
868 | * @param selection
|
---|
869 | * uses also lastUsedNode field
|
---|
870 | */
|
---|
871 | private void determineCurrentBaseNodeAndPreviousNode(Collection<OsmPrimitive> selection) {
|
---|
872 | Node selectedNode = null;
|
---|
873 | Way selectedWay = null;
|
---|
874 | for (OsmPrimitive p : selection) {
|
---|
875 | if (p instanceof Node) {
|
---|
876 | if (selectedNode != null)
|
---|
877 | return;
|
---|
878 | selectedNode = (Node) p;
|
---|
879 | } else if (p instanceof Way) {
|
---|
880 | if (selectedWay != null)
|
---|
881 | return;
|
---|
882 | selectedWay = (Way) p;
|
---|
883 | }
|
---|
884 | }
|
---|
885 | // we are here, if not more than 1 way or node is selected,
|
---|
886 |
|
---|
887 | // the node from which we make a connection
|
---|
888 | currentBaseNode = null;
|
---|
889 | previousNode = null;
|
---|
890 |
|
---|
891 | // Try to find an open way to measure angle from it. The way is not to be continued!
|
---|
892 | // warning: may result in changes of currentBaseNode and previousNode
|
---|
893 | // please remove if bugs arise
|
---|
894 | if (selectedWay == null && selectedNode != null) {
|
---|
895 | for (OsmPrimitive p: selectedNode.getReferrers()) {
|
---|
896 | if (p.isUsable() && p instanceof Way && ((Way) p).isFirstLastNode(selectedNode)) {
|
---|
897 | if (selectedWay!=null) { // two uncontinued ways, nothing to take as reference
|
---|
898 | selectedWay=null;
|
---|
899 | break;
|
---|
900 | } else {
|
---|
901 | // set us ~continue this way (measure angle from it)
|
---|
902 | selectedWay = (Way) p;
|
---|
903 | }
|
---|
904 | }
|
---|
905 | }
|
---|
906 | }
|
---|
907 |
|
---|
908 | if (selectedNode == null) {
|
---|
909 | if (selectedWay == null)
|
---|
910 | return;
|
---|
911 | continueWayFromNode(selectedWay, lastUsedNode);
|
---|
912 | } else if (selectedWay == null) {
|
---|
913 | currentBaseNode = selectedNode;
|
---|
914 | } else if (!selectedWay.isDeleted()) { // fix #7118
|
---|
915 | continueWayFromNode(selectedWay, selectedNode);
|
---|
916 | }
|
---|
917 | }
|
---|
918 |
|
---|
919 | /**
|
---|
920 | * if one of the ends of @param way is given @param node ,
|
---|
921 | * then set currentBaseNode = node and previousNode = adjacent node of way
|
---|
922 | */
|
---|
923 | private void continueWayFromNode(Way way, Node node) {
|
---|
924 | int n = way.getNodesCount();
|
---|
925 | if (node == way.firstNode()){
|
---|
926 | currentBaseNode = node;
|
---|
927 | if (n>1) previousNode = way.getNode(1);
|
---|
928 | } else if (node == way.lastNode()) {
|
---|
929 | currentBaseNode = node;
|
---|
930 | if (n>1) previousNode = way.getNode(n-2);
|
---|
931 | }
|
---|
932 | }
|
---|
933 |
|
---|
934 | /**
|
---|
935 | * Repaint on mouse exit so that the helper line goes away.
|
---|
936 | */
|
---|
937 | @Override public void mouseExited(MouseEvent e) {
|
---|
938 | if(!Main.map.mapView.isActiveLayerDrawable())
|
---|
939 | return;
|
---|
940 | mousePos = e.getPoint();
|
---|
941 | snapHelper.noSnapNow();
|
---|
942 | boolean repaintIssued = removeHighlighting();
|
---|
943 | // force repaint in case snapHelper needs one. If removeHighlighting
|
---|
944 | // caused one already, don’t do it again.
|
---|
945 | if(!repaintIssued) {
|
---|
946 | Main.map.mapView.repaint();
|
---|
947 | }
|
---|
948 | }
|
---|
949 |
|
---|
950 | /**
|
---|
951 | * @return If the node is the end of exactly one way, return this.
|
---|
952 | * <code>null</code> otherwise.
|
---|
953 | */
|
---|
954 | public static Way getWayForNode(Node n) {
|
---|
955 | Way way = null;
|
---|
956 | for (Way w : Utils.filteredCollection(n.getReferrers(), Way.class)) {
|
---|
957 | if (!w.isUsable() || w.getNodesCount() < 1) {
|
---|
958 | continue;
|
---|
959 | }
|
---|
960 | Node firstNode = w.getNode(0);
|
---|
961 | Node lastNode = w.getNode(w.getNodesCount() - 1);
|
---|
962 | if ((firstNode == n || lastNode == n) && (firstNode != lastNode)) {
|
---|
963 | if (way != null)
|
---|
964 | return null;
|
---|
965 | way = w;
|
---|
966 | }
|
---|
967 | }
|
---|
968 | return way;
|
---|
969 | }
|
---|
970 |
|
---|
971 | public Node getCurrentBaseNode() {
|
---|
972 | return currentBaseNode;
|
---|
973 | }
|
---|
974 |
|
---|
975 | private static void pruneSuccsAndReverse(List<Integer> is) {
|
---|
976 | HashSet<Integer> is2 = new HashSet<Integer>();
|
---|
977 | for (int i : is) {
|
---|
978 | if (!is2.contains(i - 1) && !is2.contains(i + 1)) {
|
---|
979 | is2.add(i);
|
---|
980 | }
|
---|
981 | }
|
---|
982 | is.clear();
|
---|
983 | is.addAll(is2);
|
---|
984 | Collections.sort(is);
|
---|
985 | Collections.reverse(is);
|
---|
986 | }
|
---|
987 |
|
---|
988 | /**
|
---|
989 | * Adjusts the position of a node to lie on a segment (or a segment
|
---|
990 | * intersection).
|
---|
991 | *
|
---|
992 | * If one or more than two segments are passed, the node is adjusted
|
---|
993 | * to lie on the first segment that is passed.
|
---|
994 | *
|
---|
995 | * If two segments are passed, the node is adjusted to be at their
|
---|
996 | * intersection.
|
---|
997 | *
|
---|
998 | * No action is taken if no segments are passed.
|
---|
999 | *
|
---|
1000 | * @param segs the segments to use as a reference when adjusting
|
---|
1001 | * @param n the node to adjust
|
---|
1002 | */
|
---|
1003 | private static void adjustNode(Collection<Pair<Node,Node>> segs, Node n) {
|
---|
1004 |
|
---|
1005 | switch (segs.size()) {
|
---|
1006 | case 0:
|
---|
1007 | return;
|
---|
1008 | case 2:
|
---|
1009 | // This computes the intersection between
|
---|
1010 | // the two segments and adjusts the node position.
|
---|
1011 | Iterator<Pair<Node,Node>> i = segs.iterator();
|
---|
1012 | Pair<Node,Node> seg = i.next();
|
---|
1013 | EastNorth A = seg.a.getEastNorth();
|
---|
1014 | EastNorth B = seg.b.getEastNorth();
|
---|
1015 | seg = i.next();
|
---|
1016 | EastNorth C = seg.a.getEastNorth();
|
---|
1017 | EastNorth D = seg.b.getEastNorth();
|
---|
1018 |
|
---|
1019 | double u=det(B.east() - A.east(), B.north() - A.north(), C.east() - D.east(), C.north() - D.north());
|
---|
1020 |
|
---|
1021 | // Check for parallel segments and do nothing if they are
|
---|
1022 | // In practice this will probably only happen when a way has been duplicated
|
---|
1023 |
|
---|
1024 | if (u == 0)
|
---|
1025 | return;
|
---|
1026 |
|
---|
1027 | // q is a number between 0 and 1
|
---|
1028 | // It is the point in the segment where the intersection occurs
|
---|
1029 | // if the segment is scaled to lenght 1
|
---|
1030 |
|
---|
1031 | double q = det(B.north() - C.north(), B.east() - C.east(), D.north() - C.north(), D.east() - C.east()) / u;
|
---|
1032 | EastNorth intersection = new EastNorth(
|
---|
1033 | B.east() + q * (A.east() - B.east()),
|
---|
1034 | B.north() + q * (A.north() - B.north()));
|
---|
1035 |
|
---|
1036 | int snapToIntersectionThreshold
|
---|
1037 | = Main.pref.getInteger("edit.snap-intersection-threshold",10);
|
---|
1038 |
|
---|
1039 | // only adjust to intersection if within snapToIntersectionThreshold pixel of mouse click; otherwise
|
---|
1040 | // fall through to default action.
|
---|
1041 | // (for semi-parallel lines, intersection might be miles away!)
|
---|
1042 | if (Main.map.mapView.getPoint2D(n).distance(Main.map.mapView.getPoint2D(intersection)) < snapToIntersectionThreshold) {
|
---|
1043 | n.setEastNorth(intersection);
|
---|
1044 | return;
|
---|
1045 | }
|
---|
1046 | default:
|
---|
1047 | EastNorth P = n.getEastNorth();
|
---|
1048 | seg = segs.iterator().next();
|
---|
1049 | A = seg.a.getEastNorth();
|
---|
1050 | B = seg.b.getEastNorth();
|
---|
1051 | double a = P.distanceSq(B);
|
---|
1052 | double b = P.distanceSq(A);
|
---|
1053 | double c = A.distanceSq(B);
|
---|
1054 | q = (a - b + c) / (2*c);
|
---|
1055 | n.setEastNorth(new EastNorth(B.east() + q * (A.east() - B.east()), B.north() + q * (A.north() - B.north())));
|
---|
1056 | }
|
---|
1057 | }
|
---|
1058 |
|
---|
1059 | // helper for adjustNode
|
---|
1060 | static double det(double a, double b, double c, double d) {
|
---|
1061 | return a * d - b * c;
|
---|
1062 | }
|
---|
1063 |
|
---|
1064 | private void tryToMoveNodeOnIntersection(List<WaySegment> wss, Node n) {
|
---|
1065 | if (wss.isEmpty())
|
---|
1066 | return;
|
---|
1067 | WaySegment ws = wss.get(0);
|
---|
1068 | EastNorth p1=ws.getFirstNode().getEastNorth();
|
---|
1069 | EastNorth p2=ws.getSecondNode().getEastNorth();
|
---|
1070 | if (snapHelper.dir2!=null && currentBaseNode!=null) {
|
---|
1071 | EastNorth xPoint = Geometry.getSegmentSegmentIntersection(p1, p2, snapHelper.dir2, currentBaseNode.getEastNorth());
|
---|
1072 | if (xPoint!=null) {
|
---|
1073 | n.setEastNorth(xPoint);
|
---|
1074 | }
|
---|
1075 | }
|
---|
1076 | }
|
---|
1077 | /**
|
---|
1078 | * Takes the data from computeHelperLine to determine which ways/nodes should be highlighted
|
---|
1079 | * (if feature enabled). Also sets the target cursor if appropriate. It adds the to-be-
|
---|
1080 | * highlighted primitives to newHighlights but does not actually highlight them. This work is
|
---|
1081 | * done in redrawIfRequired. This means, calling addHighlighting() without redrawIfRequired()
|
---|
1082 | * will leave the data in an inconsistent state.
|
---|
1083 | *
|
---|
1084 | * The status bar derives its information from oldHighlights, so in order to update the status
|
---|
1085 | * bar both addHighlighting() and repaintIfRequired() are needed, since former fills newHighlights
|
---|
1086 | * and latter processes them into oldHighlights.
|
---|
1087 | */
|
---|
1088 | private void addHighlighting() {
|
---|
1089 | newHighlights = new HashSet<OsmPrimitive>();
|
---|
1090 |
|
---|
1091 | // if ctrl key is held ("no join"), don't highlight anything
|
---|
1092 | if (ctrl) {
|
---|
1093 | Main.map.mapView.setNewCursor(cursor, this);
|
---|
1094 | redrawIfRequired();
|
---|
1095 | return;
|
---|
1096 | }
|
---|
1097 |
|
---|
1098 | // This happens when nothing is selected, but we still want to highlight the "target node"
|
---|
1099 | if (mouseOnExistingNode == null && getCurrentDataSet().getSelected().isEmpty()
|
---|
1100 | && mousePos != null) {
|
---|
1101 | mouseOnExistingNode = Main.map.mapView.getNearestNode(mousePos, OsmPrimitive.isSelectablePredicate);
|
---|
1102 | }
|
---|
1103 |
|
---|
1104 | if (mouseOnExistingNode != null) {
|
---|
1105 | Main.map.mapView.setNewCursor(cursorJoinNode, this);
|
---|
1106 | newHighlights.add(mouseOnExistingNode);
|
---|
1107 | redrawIfRequired();
|
---|
1108 | return;
|
---|
1109 | }
|
---|
1110 |
|
---|
1111 | // Insert the node into all the nearby way segments
|
---|
1112 | if (mouseOnExistingWays.isEmpty()) {
|
---|
1113 | Main.map.mapView.setNewCursor(cursor, this);
|
---|
1114 | redrawIfRequired();
|
---|
1115 | return;
|
---|
1116 | }
|
---|
1117 |
|
---|
1118 | Main.map.mapView.setNewCursor(cursorJoinWay, this);
|
---|
1119 | newHighlights.addAll(mouseOnExistingWays);
|
---|
1120 | redrawIfRequired();
|
---|
1121 | }
|
---|
1122 |
|
---|
1123 | /**
|
---|
1124 | * Removes target highlighting from primitives. Issues repaint if required.
|
---|
1125 | * Returns true if a repaint has been issued.
|
---|
1126 | */
|
---|
1127 | private boolean removeHighlighting() {
|
---|
1128 | newHighlights = new HashSet<OsmPrimitive>();
|
---|
1129 | return redrawIfRequired();
|
---|
1130 | }
|
---|
1131 |
|
---|
1132 | @Override
|
---|
1133 | public void paint(Graphics2D g, MapView mv, Bounds box) {
|
---|
1134 | // sanity checks
|
---|
1135 | if (Main.map.mapView == null || mousePos == null
|
---|
1136 | // don't draw line if we don't know where from or where to
|
---|
1137 | || currentBaseNode == null || currentMouseEastNorth == null
|
---|
1138 | // don't draw line if mouse is outside window
|
---|
1139 | || !Main.map.mapView.getBounds().contains(mousePos))
|
---|
1140 | return;
|
---|
1141 |
|
---|
1142 | Graphics2D g2 = g;
|
---|
1143 | snapHelper.drawIfNeeded(g2,mv);
|
---|
1144 | if (!drawHelperLine || wayIsFinished || shift)
|
---|
1145 | return;
|
---|
1146 |
|
---|
1147 | if (!snapHelper.isActive()) { // else use color and stoke from snapHelper.draw
|
---|
1148 | g2.setColor(rubberLineColor);
|
---|
1149 | g2.setStroke(rubberLineStroke);
|
---|
1150 | } else if (!snapHelper.drawConstructionGeometry)
|
---|
1151 | return;
|
---|
1152 | GeneralPath b = new GeneralPath();
|
---|
1153 | Point p1=mv.getPoint(currentBaseNode);
|
---|
1154 | Point p2=mv.getPoint(currentMouseEastNorth);
|
---|
1155 |
|
---|
1156 | double t = Math.atan2(p2.y-p1.y, p2.x-p1.x) + Math.PI;
|
---|
1157 |
|
---|
1158 | b.moveTo(p1.x,p1.y); b.lineTo(p2.x, p2.y);
|
---|
1159 |
|
---|
1160 | // if alt key is held ("start new way"), draw a little perpendicular line
|
---|
1161 | if (alt) {
|
---|
1162 | b.moveTo((int)(p1.x + 8*Math.cos(t+PHI)), (int)(p1.y + 8*Math.sin(t+PHI)));
|
---|
1163 | b.lineTo((int)(p1.x + 8*Math.cos(t-PHI)), (int)(p1.y + 8*Math.sin(t-PHI)));
|
---|
1164 | }
|
---|
1165 |
|
---|
1166 | g2.draw(b);
|
---|
1167 | g2.setStroke(BASIC_STROKE);
|
---|
1168 | }
|
---|
1169 |
|
---|
1170 | @Override
|
---|
1171 | public String getModeHelpText() {
|
---|
1172 | String rv = "";
|
---|
1173 | /*
|
---|
1174 | * No modifiers: all (Connect, Node Re-Use, Auto-Weld)
|
---|
1175 | * CTRL: disables node re-use, auto-weld
|
---|
1176 | * Shift: do not make connection
|
---|
1177 | * ALT: make connection but start new way in doing so
|
---|
1178 | */
|
---|
1179 |
|
---|
1180 | /*
|
---|
1181 | * Status line text generation is split into two parts to keep it maintainable.
|
---|
1182 | * First part looks at what will happen to the new node inserted on click and
|
---|
1183 | * the second part will look if a connection is made or not.
|
---|
1184 | *
|
---|
1185 | * Note that this help text is not absolutely accurate as it doesn't catch any special
|
---|
1186 | * cases (e.g. when preventing <---> ways). The only special that it catches is when
|
---|
1187 | * a way is about to be finished.
|
---|
1188 | *
|
---|
1189 | * First check what happens to the new node.
|
---|
1190 | */
|
---|
1191 |
|
---|
1192 | // oldHighlights stores the current highlights. If this
|
---|
1193 | // list is empty we can assume that we won't do any joins
|
---|
1194 | if (ctrl || oldHighlights.isEmpty()) {
|
---|
1195 | rv = tr("Create new node.");
|
---|
1196 | } else {
|
---|
1197 | // oldHighlights may store a node or way, check if it's a node
|
---|
1198 | OsmPrimitive x = oldHighlights.iterator().next();
|
---|
1199 | if (x instanceof Node) {
|
---|
1200 | rv = tr("Select node under cursor.");
|
---|
1201 | } else {
|
---|
1202 | rv = trn("Insert new node into way.", "Insert new node into {0} ways.",
|
---|
1203 | oldHighlights.size(), oldHighlights.size());
|
---|
1204 | }
|
---|
1205 | }
|
---|
1206 |
|
---|
1207 | /*
|
---|
1208 | * Check whether a connection will be made
|
---|
1209 | */
|
---|
1210 | if (currentBaseNode != null && !wayIsFinished) {
|
---|
1211 | if (alt) {
|
---|
1212 | rv += " " + tr("Start new way from last node.");
|
---|
1213 | } else {
|
---|
1214 | rv += " " + tr("Continue way from last node.");
|
---|
1215 | }
|
---|
1216 | if (snapHelper.isSnapOn()) {
|
---|
1217 | rv += " "+ tr("Angle snapping active.");
|
---|
1218 | }
|
---|
1219 | }
|
---|
1220 |
|
---|
1221 | Node n = mouseOnExistingNode;
|
---|
1222 | /*
|
---|
1223 | * Handle special case: Highlighted node == selected node => finish drawing
|
---|
1224 | */
|
---|
1225 | if (n != null && getCurrentDataSet() != null && getCurrentDataSet().getSelectedNodes().contains(n)) {
|
---|
1226 | if (wayIsFinished) {
|
---|
1227 | rv = tr("Select node under cursor.");
|
---|
1228 | } else {
|
---|
1229 | rv = tr("Finish drawing.");
|
---|
1230 | }
|
---|
1231 | }
|
---|
1232 |
|
---|
1233 | /*
|
---|
1234 | * Handle special case: Self-Overlapping or closing way
|
---|
1235 | */
|
---|
1236 | if (getCurrentDataSet() != null && !getCurrentDataSet().getSelectedWays().isEmpty() && !wayIsFinished && !alt) {
|
---|
1237 | Way w = getCurrentDataSet().getSelectedWays().iterator().next();
|
---|
1238 | for (Node m : w.getNodes()) {
|
---|
1239 | if (m.equals(mouseOnExistingNode) || mouseOnExistingWays.contains(w)) {
|
---|
1240 | rv += " " + tr("Finish drawing.");
|
---|
1241 | break;
|
---|
1242 | }
|
---|
1243 | }
|
---|
1244 | }
|
---|
1245 | return rv;
|
---|
1246 | }
|
---|
1247 |
|
---|
1248 | /**
|
---|
1249 | * Get selected primitives, while draw action is in progress.
|
---|
1250 | *
|
---|
1251 | * While drawing a way, technically the last node is selected.
|
---|
1252 | * This is inconvenient when the user tries to add tags to the
|
---|
1253 | * way using a keyboard shortcut. In that case, this method returns
|
---|
1254 | * the current way as selection, to work around this issue.
|
---|
1255 | * Otherwise the normal selection of the current data layer is returned.
|
---|
1256 | */
|
---|
1257 | public Collection<OsmPrimitive> getInProgressSelection() {
|
---|
1258 | DataSet ds = getCurrentDataSet();
|
---|
1259 | if (ds == null) return null;
|
---|
1260 | if (currentBaseNode != null && !ds.getSelected().isEmpty()) {
|
---|
1261 | Way continueFrom = getWayForNode(currentBaseNode);
|
---|
1262 | if (alt && continueFrom != null)
|
---|
1263 | return Collections.<OsmPrimitive>singleton(continueFrom);
|
---|
1264 | }
|
---|
1265 | return ds.getSelected();
|
---|
1266 | }
|
---|
1267 |
|
---|
1268 | @Override
|
---|
1269 | public boolean layerIsSupported(Layer l) {
|
---|
1270 | return l instanceof OsmDataLayer;
|
---|
1271 | }
|
---|
1272 |
|
---|
1273 | @Override
|
---|
1274 | protected void updateEnabledState() {
|
---|
1275 | setEnabled(getEditLayer() != null);
|
---|
1276 | }
|
---|
1277 |
|
---|
1278 | @Override
|
---|
1279 | public void destroy() {
|
---|
1280 | super.destroy();
|
---|
1281 | snapChangeAction.destroy();
|
---|
1282 | }
|
---|
1283 |
|
---|
1284 | public class BackSpaceAction extends AbstractAction {
|
---|
1285 |
|
---|
1286 | @Override
|
---|
1287 | public void actionPerformed(ActionEvent e) {
|
---|
1288 | Main.main.undoRedo.undo();
|
---|
1289 | Node n=null;
|
---|
1290 | Command lastCmd=Main.main.undoRedo.commands.peekLast();
|
---|
1291 | if (lastCmd==null) return;
|
---|
1292 | for (OsmPrimitive p: lastCmd.getParticipatingPrimitives()) {
|
---|
1293 | if (p instanceof Node) {
|
---|
1294 | if (n==null) {
|
---|
1295 | n=(Node) p; // found one node
|
---|
1296 | wayIsFinished=false;
|
---|
1297 | } else {
|
---|
1298 | // if more than 1 node were affected by previous command,
|
---|
1299 | // we have no way to continue, so we forget about found node
|
---|
1300 | n=null;
|
---|
1301 | break;
|
---|
1302 | }
|
---|
1303 | }
|
---|
1304 | }
|
---|
1305 | // select last added node - maybe we will continue drawing from it
|
---|
1306 | if (n!=null) {
|
---|
1307 | getCurrentDataSet().addSelected(n);
|
---|
1308 | }
|
---|
1309 | }
|
---|
1310 | }
|
---|
1311 |
|
---|
1312 | private class SnapHelper {
|
---|
1313 | boolean snapOn; // snapping is turned on
|
---|
1314 |
|
---|
1315 | private boolean active; // snapping is active for current mouse position
|
---|
1316 | private boolean fixed; // snap angle is fixed
|
---|
1317 | private boolean absoluteFix; // snap angle is absolute
|
---|
1318 |
|
---|
1319 | private boolean drawConstructionGeometry;
|
---|
1320 | private boolean showProjectedPoint;
|
---|
1321 | private boolean showAngle;
|
---|
1322 |
|
---|
1323 | private boolean snapToProjections;
|
---|
1324 |
|
---|
1325 | EastNorth dir2;
|
---|
1326 | EastNorth projected;
|
---|
1327 | String labelText;
|
---|
1328 | double lastAngle;
|
---|
1329 |
|
---|
1330 | double customBaseHeading=-1; // angle of base line, if not last segment)
|
---|
1331 | private EastNorth segmentPoint1; // remembered first point of base segment
|
---|
1332 | private EastNorth segmentPoint2; // remembered second point of base segment
|
---|
1333 | private EastNorth projectionSource; // point that we are projecting to the line
|
---|
1334 |
|
---|
1335 | double[] snapAngles;
|
---|
1336 | double snapAngleTolerance;
|
---|
1337 |
|
---|
1338 | double pe,pn; // (pe,pn) - direction of snapping line
|
---|
1339 | double e0,n0; // (e0,n0) - origin of snapping line
|
---|
1340 |
|
---|
1341 | final String fixFmt="%d "+tr("FIX");
|
---|
1342 | Color snapHelperColor;
|
---|
1343 | private Color highlightColor;
|
---|
1344 |
|
---|
1345 | private Stroke normalStroke;
|
---|
1346 | private Stroke helperStroke;
|
---|
1347 | private Stroke highlightStroke;
|
---|
1348 |
|
---|
1349 | JCheckBoxMenuItem checkBox;
|
---|
1350 | public final Color ORANGE_TRANSPARENT = new Color(Color.ORANGE.getRed(),Color.ORANGE.getGreen(),Color.ORANGE.getBlue(),128);
|
---|
1351 |
|
---|
1352 | public void init() {
|
---|
1353 | snapOn=false;
|
---|
1354 | checkBox.setState(snapOn);
|
---|
1355 | fixed=false; absoluteFix=false;
|
---|
1356 |
|
---|
1357 | Collection<String> angles = Main.pref.getCollection("draw.anglesnap.angles",
|
---|
1358 | Arrays.asList("0","30","45","60","90","120","135","150","180"));
|
---|
1359 |
|
---|
1360 | snapAngles = new double[2*angles.size()];
|
---|
1361 | int i=0;
|
---|
1362 | for (String s: angles) {
|
---|
1363 | try {
|
---|
1364 | snapAngles[i] = Double.parseDouble(s); i++;
|
---|
1365 | snapAngles[i] = 360-Double.parseDouble(s); i++;
|
---|
1366 | } catch (NumberFormatException e) {
|
---|
1367 | System.err.println("Warning: incorrect number in draw.anglesnap.angles preferences: "+s);
|
---|
1368 | snapAngles[i]=0;i++;
|
---|
1369 | snapAngles[i]=0;i++;
|
---|
1370 | }
|
---|
1371 | }
|
---|
1372 | snapAngleTolerance = Main.pref.getDouble("draw.anglesnap.tolerance", 5.0);
|
---|
1373 | drawConstructionGeometry = Main.pref.getBoolean("draw.anglesnap.drawConstructionGeometry", true);
|
---|
1374 | showProjectedPoint = Main.pref.getBoolean("draw.anglesnap.drawProjectedPoint", true);
|
---|
1375 | snapToProjections = Main.pref.getBoolean("draw.anglesnap.projectionsnap", true);
|
---|
1376 |
|
---|
1377 | showAngle = Main.pref.getBoolean("draw.anglesnap.showAngle", true);
|
---|
1378 | useRepeatedShortcut = Main.pref.getBoolean("draw.anglesnap.toggleOnRepeatedA", true);
|
---|
1379 |
|
---|
1380 | normalStroke = rubberLineStroke;
|
---|
1381 | snapHelperColor = Main.pref.getColor(marktr("draw angle snap"), Color.ORANGE);
|
---|
1382 |
|
---|
1383 | highlightColor = Main.pref.getColor(marktr("draw angle snap highlight"), ORANGE_TRANSPARENT);
|
---|
1384 | highlightStroke = GuiHelper.getCustomizedStroke(Main.pref.get("draw.anglesnap.stroke.highlight","10"));
|
---|
1385 | helperStroke = GuiHelper.getCustomizedStroke(Main.pref.get("draw.anglesnap.stroke.helper","1 4"));
|
---|
1386 | }
|
---|
1387 |
|
---|
1388 | public void saveAngles(String ... angles) {
|
---|
1389 | Main.pref.putCollection("draw.anglesnap.angles", Arrays.asList(angles));
|
---|
1390 | }
|
---|
1391 |
|
---|
1392 | public void setMenuCheckBox(JCheckBoxMenuItem checkBox) {
|
---|
1393 | this.checkBox = checkBox;
|
---|
1394 | }
|
---|
1395 |
|
---|
1396 | public void drawIfNeeded(Graphics2D g2, MapView mv) {
|
---|
1397 | if (!snapOn || !active)
|
---|
1398 | return;
|
---|
1399 | Point p1=mv.getPoint(currentBaseNode);
|
---|
1400 | Point p2=mv.getPoint(dir2);
|
---|
1401 | Point p3=mv.getPoint(projected);
|
---|
1402 | GeneralPath b;
|
---|
1403 | if (drawConstructionGeometry) {
|
---|
1404 | g2.setColor(snapHelperColor);
|
---|
1405 | g2.setStroke(helperStroke);
|
---|
1406 |
|
---|
1407 | b = new GeneralPath();
|
---|
1408 | if (absoluteFix) {
|
---|
1409 | b.moveTo(p2.x,p2.y);
|
---|
1410 | b.lineTo(2*p1.x-p2.x,2*p1.y-p2.y); // bi-directional line
|
---|
1411 | } else {
|
---|
1412 | b.moveTo(p2.x,p2.y);
|
---|
1413 | b.lineTo(p3.x,p3.y);
|
---|
1414 | }
|
---|
1415 | g2.draw(b);
|
---|
1416 | }
|
---|
1417 | if (projectionSource != null) {
|
---|
1418 | g2.setColor(snapHelperColor);
|
---|
1419 | g2.setStroke(helperStroke);
|
---|
1420 | b = new GeneralPath();
|
---|
1421 | b.moveTo(p3.x,p3.y);
|
---|
1422 | Point pp=mv.getPoint(projectionSource);
|
---|
1423 | b.lineTo(pp.x,pp.y);
|
---|
1424 | g2.draw(b);
|
---|
1425 | }
|
---|
1426 |
|
---|
1427 | if (customBaseHeading >= 0) {
|
---|
1428 | g2.setColor(highlightColor);
|
---|
1429 | g2.setStroke(highlightStroke);
|
---|
1430 | b = new GeneralPath();
|
---|
1431 | Point pp1=mv.getPoint(segmentPoint1);
|
---|
1432 | Point pp2=mv.getPoint(segmentPoint2);
|
---|
1433 | b.moveTo(pp1.x,pp1.y);
|
---|
1434 | b.lineTo(pp2.x,pp2.y);
|
---|
1435 | g2.draw(b);
|
---|
1436 | }
|
---|
1437 |
|
---|
1438 | g2.setColor(rubberLineColor);
|
---|
1439 | g2.setStroke(normalStroke);
|
---|
1440 | b = new GeneralPath();
|
---|
1441 | b.moveTo(p1.x,p1.y);
|
---|
1442 | b.lineTo(p3.x,p3.y);
|
---|
1443 | g2.draw(b);
|
---|
1444 |
|
---|
1445 | g2.drawString(labelText, p3.x-5, p3.y+20);
|
---|
1446 | if (showProjectedPoint) {
|
---|
1447 | g2.setStroke(normalStroke);
|
---|
1448 | g2.drawOval(p3.x-5, p3.y-5, 10, 10); // projected point
|
---|
1449 | }
|
---|
1450 |
|
---|
1451 | g2.setColor(snapHelperColor);
|
---|
1452 | g2.setStroke(helperStroke);
|
---|
1453 | }
|
---|
1454 |
|
---|
1455 | /* If mouse position is close to line at 15-30-45-... angle, remembers this direction
|
---|
1456 | */
|
---|
1457 | public void checkAngleSnapping(EastNorth currentEN, double baseHeading, double curHeading) {
|
---|
1458 | EastNorth p0 = currentBaseNode.getEastNorth();
|
---|
1459 | EastNorth snapPoint = currentEN;
|
---|
1460 | double angle = -1;
|
---|
1461 |
|
---|
1462 | double activeBaseHeading = (customBaseHeading>=0)? customBaseHeading : baseHeading;
|
---|
1463 |
|
---|
1464 | if (snapOn && (activeBaseHeading>=0)) {
|
---|
1465 | angle = curHeading - activeBaseHeading;
|
---|
1466 | if (angle < 0) {
|
---|
1467 | angle+=360;
|
---|
1468 | }
|
---|
1469 | if (angle > 360) {
|
---|
1470 | angle=0;
|
---|
1471 | }
|
---|
1472 |
|
---|
1473 | double nearestAngle;
|
---|
1474 | if (fixed) {
|
---|
1475 | nearestAngle = lastAngle; // if direction is fixed use previous angle
|
---|
1476 | active = true;
|
---|
1477 | } else {
|
---|
1478 | nearestAngle = getNearestAngle(angle);
|
---|
1479 | if (getAngleDelta(nearestAngle, angle) < snapAngleTolerance) {
|
---|
1480 | active = (customBaseHeading>=0)? true : Math.abs(nearestAngle - 180) > 1e-3;
|
---|
1481 | // if angle is to previous segment, exclude 180 degrees
|
---|
1482 | lastAngle = nearestAngle;
|
---|
1483 | } else {
|
---|
1484 | active=false;
|
---|
1485 | }
|
---|
1486 | }
|
---|
1487 |
|
---|
1488 | if (active) {
|
---|
1489 | double phi;
|
---|
1490 | e0 = p0.east();
|
---|
1491 | n0 = p0.north();
|
---|
1492 | buildLabelText((nearestAngle<=180) ? nearestAngle : nearestAngle-360);
|
---|
1493 |
|
---|
1494 | phi = (nearestAngle + activeBaseHeading) * Math.PI / 180;
|
---|
1495 | // (pe,pn) - direction of snapping line
|
---|
1496 | pe = Math.sin(phi);
|
---|
1497 | pn = Math.cos(phi);
|
---|
1498 | double scale = 20 * Main.map.mapView.getDist100Pixel();
|
---|
1499 | dir2 = new EastNorth(e0 + scale * pe, n0 + scale * pn);
|
---|
1500 | snapPoint = getSnapPoint(currentEN);
|
---|
1501 | } else {
|
---|
1502 | noSnapNow();
|
---|
1503 | }
|
---|
1504 | }
|
---|
1505 |
|
---|
1506 | // find out the distance, in metres, between the base point and projected point
|
---|
1507 | LatLon mouseLatLon = Main.map.mapView.getProjection().eastNorth2latlon(snapPoint);
|
---|
1508 | double distance = currentBaseNode.getCoor().greatCircleDistance(mouseLatLon);
|
---|
1509 | double hdg = Math.toDegrees(p0.heading(snapPoint));
|
---|
1510 | // heading of segment from current to calculated point, not to mouse position
|
---|
1511 |
|
---|
1512 | if (baseHeading >=0 ) { // there is previous line segment with some heading
|
---|
1513 | angle = hdg - baseHeading;
|
---|
1514 | if (angle < 0) {
|
---|
1515 | angle+=360;
|
---|
1516 | }
|
---|
1517 | if (angle > 360) {
|
---|
1518 | angle=0;
|
---|
1519 | }
|
---|
1520 | }
|
---|
1521 | showStatusInfo(angle, hdg, distance, isSnapOn());
|
---|
1522 | }
|
---|
1523 |
|
---|
1524 | private void buildLabelText(double nearestAngle) {
|
---|
1525 | if (showAngle) {
|
---|
1526 | if (fixed) {
|
---|
1527 | if (absoluteFix) {
|
---|
1528 | labelText = "=";
|
---|
1529 | } else {
|
---|
1530 | labelText = String.format(fixFmt, (int) nearestAngle);
|
---|
1531 | }
|
---|
1532 | } else {
|
---|
1533 | labelText = String.format("%d", (int) nearestAngle);
|
---|
1534 | }
|
---|
1535 | } else {
|
---|
1536 | if (fixed) {
|
---|
1537 | if (absoluteFix) {
|
---|
1538 | labelText = "=";
|
---|
1539 | } else {
|
---|
1540 | labelText = String.format(tr("FIX"), 0);
|
---|
1541 | }
|
---|
1542 | } else {
|
---|
1543 | labelText = "";
|
---|
1544 | }
|
---|
1545 | }
|
---|
1546 | }
|
---|
1547 |
|
---|
1548 | public EastNorth getSnapPoint(EastNorth p) {
|
---|
1549 | if (!active)
|
---|
1550 | return p;
|
---|
1551 | double de=p.east()-e0;
|
---|
1552 | double dn=p.north()-n0;
|
---|
1553 | double l = de*pe+dn*pn;
|
---|
1554 | double delta = Main.map.mapView.getDist100Pixel()/20;
|
---|
1555 | if (!absoluteFix && l<delta) {
|
---|
1556 | active=false;
|
---|
1557 | return p;
|
---|
1558 | } // do not go backward!
|
---|
1559 |
|
---|
1560 | projectionSource=null;
|
---|
1561 | if (snapToProjections) {
|
---|
1562 | DataSet ds = getCurrentDataSet();
|
---|
1563 | Collection<Way> selectedWays = ds.getSelectedWays();
|
---|
1564 | if (selectedWays.size()==1) {
|
---|
1565 | Way w = selectedWays.iterator().next();
|
---|
1566 | Collection <EastNorth> pointsToProject = new ArrayList<EastNorth>();
|
---|
1567 | if (w.getNodesCount()<1000) {
|
---|
1568 | for (Node n: w.getNodes()) {
|
---|
1569 | pointsToProject.add(n.getEastNorth());
|
---|
1570 | }
|
---|
1571 | }
|
---|
1572 | if (customBaseHeading >=0 ) {
|
---|
1573 | pointsToProject.add(segmentPoint1);
|
---|
1574 | pointsToProject.add(segmentPoint2);
|
---|
1575 | }
|
---|
1576 | EastNorth enOpt=null;
|
---|
1577 | double dOpt=1e5;
|
---|
1578 | for (EastNorth en: pointsToProject) { // searching for besht projection
|
---|
1579 | double l1 = (en.east()-e0)*pe+(en.north()-n0)*pn;
|
---|
1580 | double d1 = Math.abs(l1-l);
|
---|
1581 | if (d1 < delta && d1 < dOpt) {
|
---|
1582 | l=l1;
|
---|
1583 | enOpt = en;
|
---|
1584 | dOpt = d1;
|
---|
1585 | }
|
---|
1586 | }
|
---|
1587 | if (enOpt!=null) {
|
---|
1588 | projectionSource = enOpt;
|
---|
1589 | }
|
---|
1590 | }
|
---|
1591 | }
|
---|
1592 | return projected = new EastNorth(e0+l*pe, n0+l*pn);
|
---|
1593 | }
|
---|
1594 |
|
---|
1595 |
|
---|
1596 | public void noSnapNow() {
|
---|
1597 | active=false;
|
---|
1598 | dir2=null; projected=null;
|
---|
1599 | labelText=null;
|
---|
1600 | }
|
---|
1601 |
|
---|
1602 | public void setBaseSegment(WaySegment seg) {
|
---|
1603 | if (seg==null) return;
|
---|
1604 | segmentPoint1=seg.getFirstNode().getEastNorth();
|
---|
1605 | segmentPoint2=seg.getSecondNode().getEastNorth();
|
---|
1606 |
|
---|
1607 | double hdg = segmentPoint1.heading(segmentPoint2);
|
---|
1608 | hdg=Math.toDegrees(hdg);
|
---|
1609 | if (hdg<0) {
|
---|
1610 | hdg+=360;
|
---|
1611 | }
|
---|
1612 | if (hdg>360) {
|
---|
1613 | hdg-=360;
|
---|
1614 | }
|
---|
1615 | //fixed=true;
|
---|
1616 | //absoluteFix=true;
|
---|
1617 | customBaseHeading=hdg;
|
---|
1618 | }
|
---|
1619 |
|
---|
1620 | private void nextSnapMode() {
|
---|
1621 | if (snapOn) {
|
---|
1622 | // turn off snapping if we are in fixed mode or no actile snapping line exist
|
---|
1623 | if (fixed || !active) { snapOn=false; unsetFixedMode(); } else {
|
---|
1624 | setFixedMode();
|
---|
1625 | }
|
---|
1626 | } else {
|
---|
1627 | snapOn=true;
|
---|
1628 | unsetFixedMode();
|
---|
1629 | }
|
---|
1630 | checkBox.setState(snapOn);
|
---|
1631 | customBaseHeading=-1;
|
---|
1632 | }
|
---|
1633 |
|
---|
1634 | private void enableSnapping() {
|
---|
1635 | snapOn = true;
|
---|
1636 | checkBox.setState(snapOn);
|
---|
1637 | customBaseHeading=-1;
|
---|
1638 | unsetFixedMode();
|
---|
1639 | }
|
---|
1640 |
|
---|
1641 | private void toggleSnapping() {
|
---|
1642 | snapOn = !snapOn;
|
---|
1643 | checkBox.setState(snapOn);
|
---|
1644 | customBaseHeading=-1;
|
---|
1645 | unsetFixedMode();
|
---|
1646 | }
|
---|
1647 |
|
---|
1648 | public void setFixedMode() {
|
---|
1649 | if (active) {
|
---|
1650 | fixed=true;
|
---|
1651 | }
|
---|
1652 | }
|
---|
1653 |
|
---|
1654 |
|
---|
1655 | public void unsetFixedMode() {
|
---|
1656 | fixed=false;
|
---|
1657 | absoluteFix=false;
|
---|
1658 | lastAngle=0;
|
---|
1659 | active=false;
|
---|
1660 | }
|
---|
1661 |
|
---|
1662 | public boolean isActive() {
|
---|
1663 | return active;
|
---|
1664 | }
|
---|
1665 |
|
---|
1666 | public boolean isSnapOn() {
|
---|
1667 | return snapOn;
|
---|
1668 | }
|
---|
1669 |
|
---|
1670 | private double getNearestAngle(double angle) {
|
---|
1671 | double delta,minDelta=1e5, bestAngle=0.0;
|
---|
1672 | for (int i=0; i < snapAngles.length; i++) {
|
---|
1673 | delta = getAngleDelta(angle,snapAngles[i]);
|
---|
1674 | if (delta < minDelta) {
|
---|
1675 | minDelta=delta;
|
---|
1676 | bestAngle=snapAngles[i];
|
---|
1677 | }
|
---|
1678 | }
|
---|
1679 | if (Math.abs(bestAngle-360) < 1e-3) {
|
---|
1680 | bestAngle=0;
|
---|
1681 | }
|
---|
1682 | return bestAngle;
|
---|
1683 | }
|
---|
1684 |
|
---|
1685 | private double getAngleDelta(double a, double b) {
|
---|
1686 | double delta = Math.abs(a-b);
|
---|
1687 | if (delta>180)
|
---|
1688 | return 360-delta;
|
---|
1689 | else
|
---|
1690 | return delta;
|
---|
1691 | }
|
---|
1692 |
|
---|
1693 | private void unFixOrTurnOff() {
|
---|
1694 | if (absoluteFix) {
|
---|
1695 | unsetFixedMode();
|
---|
1696 | } else {
|
---|
1697 | toggleSnapping();
|
---|
1698 | }
|
---|
1699 | }
|
---|
1700 |
|
---|
1701 | MouseListener anglePopupListener = new PopupMenuLauncher( new JPopupMenu() {
|
---|
1702 | JCheckBoxMenuItem repeatedCb = new JCheckBoxMenuItem(new AbstractAction(tr("Toggle snapping by {0}", getShortcut().getKeyText())){
|
---|
1703 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1704 | boolean sel=((JCheckBoxMenuItem) e.getSource()).getState();
|
---|
1705 | Main.pref.put("draw.anglesnap.toggleOnRepeatedA", sel);
|
---|
1706 | init();
|
---|
1707 | }
|
---|
1708 | });
|
---|
1709 | JCheckBoxMenuItem helperCb = new JCheckBoxMenuItem(new AbstractAction(tr("Show helper geometry")){
|
---|
1710 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1711 | boolean sel=((JCheckBoxMenuItem) e.getSource()).getState();
|
---|
1712 | Main.pref.put("draw.anglesnap.drawConstructionGeometry", sel);
|
---|
1713 | Main.pref.put("draw.anglesnap.drawProjectedPoint", sel);
|
---|
1714 | Main.pref.put("draw.anglesnap.showAngle", sel);
|
---|
1715 | init();
|
---|
1716 | enableSnapping();
|
---|
1717 | }
|
---|
1718 | });
|
---|
1719 | JCheckBoxMenuItem projectionCb = new JCheckBoxMenuItem(new AbstractAction(tr("Snap to node projections")){
|
---|
1720 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1721 | boolean sel=((JCheckBoxMenuItem) e.getSource()).getState();
|
---|
1722 | Main.pref.put("draw.anglesnap.projectionsnap", sel);
|
---|
1723 | init();
|
---|
1724 | enableSnapping();
|
---|
1725 | }
|
---|
1726 | });
|
---|
1727 | {
|
---|
1728 | helperCb.setState(Main.pref.getBoolean("draw.anglesnap.drawConstructionGeometry",true));
|
---|
1729 | projectionCb.setState(Main.pref.getBoolean("draw.anglesnap.projectionsnapgvff",true));
|
---|
1730 | repeatedCb.setState(Main.pref.getBoolean("draw.anglesnap.toggleOnRepeatedA",true));
|
---|
1731 | add(repeatedCb);
|
---|
1732 | add(helperCb);
|
---|
1733 | add(projectionCb);
|
---|
1734 | add(new AbstractAction(tr("Disable")) {
|
---|
1735 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1736 | saveAngles("180");
|
---|
1737 | init();
|
---|
1738 | enableSnapping();
|
---|
1739 | }
|
---|
1740 | });
|
---|
1741 | add(new AbstractAction(tr("0,90,...")) {
|
---|
1742 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1743 | saveAngles("0","90","180");
|
---|
1744 | init();
|
---|
1745 | enableSnapping();
|
---|
1746 | }
|
---|
1747 | });
|
---|
1748 | add(new AbstractAction(tr("0,45,90,...")) {
|
---|
1749 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1750 | saveAngles("0","45","90","135","180");
|
---|
1751 | init();
|
---|
1752 | enableSnapping();
|
---|
1753 | }
|
---|
1754 | });
|
---|
1755 | add(new AbstractAction(tr("0,30,45,60,90,...")) {
|
---|
1756 | @Override public void actionPerformed(ActionEvent e) {
|
---|
1757 | saveAngles("0","30","45","60","90","120","135","150","180");
|
---|
1758 | init();
|
---|
1759 | enableSnapping();
|
---|
1760 | }
|
---|
1761 | });
|
---|
1762 | }
|
---|
1763 | }) {
|
---|
1764 | @Override
|
---|
1765 | public void mouseClicked(MouseEvent e) {
|
---|
1766 | super.mouseClicked(e);
|
---|
1767 | if (e.getButton() == MouseEvent.BUTTON1) {
|
---|
1768 | toggleSnapping();
|
---|
1769 | updateStatusLine();
|
---|
1770 | }
|
---|
1771 | }
|
---|
1772 | };
|
---|
1773 | }
|
---|
1774 |
|
---|
1775 | private class SnapChangeAction extends JosmAction {
|
---|
1776 | public SnapChangeAction() {
|
---|
1777 | super(tr("Angle snapping"), "anglesnap",
|
---|
1778 | tr("Switch angle snapping mode while drawing"), null, false);
|
---|
1779 | putValue("help", ht("/Action/Draw/AngleSnap"));
|
---|
1780 | }
|
---|
1781 |
|
---|
1782 | @Override
|
---|
1783 | public void actionPerformed(ActionEvent e) {
|
---|
1784 | if (snapHelper!=null) {
|
---|
1785 | snapHelper.toggleSnapping();
|
---|
1786 | }
|
---|
1787 | }
|
---|
1788 | }
|
---|
1789 | }
|
---|