| 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.tools.I18n.tr; |
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| 5 | import static org.openstreetmap.josm.tools.I18n.trn; |
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| 6 | |
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| 7 | import java.awt.AWTEvent; |
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| 8 | import java.awt.BasicStroke; |
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| 9 | import java.awt.Color; |
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| 10 | import java.awt.Cursor; |
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| 11 | import java.awt.Graphics2D; |
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| 12 | import java.awt.Point; |
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| 13 | import java.awt.Toolkit; |
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| 14 | import java.awt.event.AWTEventListener; |
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| 15 | import java.awt.event.ActionEvent; |
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| 16 | import java.awt.event.InputEvent; |
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| 17 | import java.awt.event.KeyEvent; |
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| 18 | import java.awt.event.MouseEvent; |
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| 19 | import java.awt.geom.GeneralPath; |
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| 20 | import java.util.ArrayList; |
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| 21 | import java.util.Collection; |
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| 22 | import java.util.Iterator; |
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| 23 | import java.util.LinkedList; |
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| 24 | import java.util.List; |
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| 25 | |
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| 26 | import javax.swing.JOptionPane; |
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| 27 | |
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| 28 | import org.openstreetmap.josm.Main; |
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| 29 | import org.openstreetmap.josm.command.AddCommand; |
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| 30 | import org.openstreetmap.josm.command.ChangeCommand; |
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| 31 | import org.openstreetmap.josm.command.Command; |
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| 32 | import org.openstreetmap.josm.command.DeleteCommand; |
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| 33 | import org.openstreetmap.josm.command.MoveCommand; |
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| 34 | import org.openstreetmap.josm.command.SequenceCommand; |
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| 35 | import org.openstreetmap.josm.data.Bounds; |
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| 36 | import org.openstreetmap.josm.data.SelectionChangedListener; |
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| 37 | import org.openstreetmap.josm.data.coor.EastNorth; |
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| 38 | import org.openstreetmap.josm.data.osm.DataSet; |
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| 39 | import org.openstreetmap.josm.data.osm.Node; |
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| 40 | import org.openstreetmap.josm.data.osm.OsmPrimitive; |
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| 41 | import org.openstreetmap.josm.data.osm.Way; |
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| 42 | import org.openstreetmap.josm.data.osm.WaySegment; |
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| 43 | import org.openstreetmap.josm.data.osm.visitor.paint.PaintColors; |
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| 44 | import org.openstreetmap.josm.gui.MapFrame; |
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| 45 | import org.openstreetmap.josm.gui.MapView; |
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| 46 | import org.openstreetmap.josm.gui.layer.Layer; |
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| 47 | import org.openstreetmap.josm.gui.layer.MapViewPaintable; |
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| 48 | import org.openstreetmap.josm.gui.layer.OsmDataLayer; |
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| 49 | import org.openstreetmap.josm.tools.ImageProvider; |
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| 50 | import org.openstreetmap.josm.tools.Pair; |
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| 51 | import org.openstreetmap.josm.tools.Shortcut; |
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| 52 | |
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| 53 | /** |
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| 54 | * @author Alexander Kachkaev <alexander@kachkaev.ru>, 2011 |
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| 55 | */ |
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| 56 | public class ImproveWayAccuracyAction extends MapMode implements MapViewPaintable, |
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| 57 | SelectionChangedListener, AWTEventListener { |
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| 58 | |
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| 59 | enum State { |
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| 60 | selecting, improving |
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| 61 | } |
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| 62 | |
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| 63 | private State state; |
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| 64 | |
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| 65 | private MapView mv; |
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| 66 | |
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| 67 | private static final long serialVersionUID = 42L; |
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| 68 | |
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| 69 | private Way targetWay; |
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| 70 | private Node candidateNode = null; |
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| 71 | private WaySegment candidateSegment = null; |
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| 72 | |
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| 73 | private Point mousePos = null; |
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| 74 | private boolean dragging = false; |
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| 75 | |
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| 76 | final private Cursor cursorSelect; |
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| 77 | final private Cursor cursorSelectHover; |
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| 78 | final private Cursor cursorImprove; |
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| 79 | final private Cursor cursorImproveAdd; |
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| 80 | final private Cursor cursorImproveDelete; |
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| 81 | final private Cursor cursorImproveAddLock; |
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| 82 | final private Cursor cursorImproveLock; |
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| 83 | |
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| 84 | private boolean shift = false; |
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| 85 | private boolean ctrl = false; |
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| 86 | private boolean alt = false; |
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| 87 | |
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| 88 | private final Color guideColor; |
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| 89 | private final BasicStroke selectTargetWayStroke; |
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| 90 | private final BasicStroke moveNodeStroke; |
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| 91 | private final BasicStroke addNodeStroke; |
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| 92 | private final BasicStroke deleteNodeStroke; |
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| 93 | |
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| 94 | private boolean selectionChangedBlocked = false; |
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| 95 | |
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| 96 | protected String oldModeHelpText; |
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| 97 | |
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| 98 | public ImproveWayAccuracyAction(MapFrame mapFrame) { |
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| 99 | super(tr("Improve Way Accuracy"), "improvewayaccuracy.png", |
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| 100 | tr("Improve Way Accuracy mode"), |
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| 101 | Shortcut.registerShortcut("mapmode:ImproveWayAccuracy", |
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| 102 | tr("Mode: {0}", tr("Improve Way Accuracy")), |
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| 103 | KeyEvent.VK_W, Shortcut.DIRECT), mapFrame, Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR)); |
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| 104 | |
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| 105 | cursorSelect = ImageProvider.getCursor("normal", "mode"); |
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| 106 | cursorSelectHover = ImageProvider.getCursor("hand", "mode"); |
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| 107 | cursorImprove = ImageProvider.getCursor("crosshair", null); |
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| 108 | cursorImproveAdd = ImageProvider.getCursor("crosshair", "addnode"); |
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| 109 | cursorImproveDelete = ImageProvider.getCursor("crosshair", "delete_node"); |
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| 110 | cursorImproveAddLock = ImageProvider.getCursor("crosshair", |
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| 111 | "add_node_lock"); |
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| 112 | cursorImproveLock = ImageProvider.getCursor("crosshair", "lock"); |
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| 113 | |
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| 114 | guideColor = PaintColors.HIGHLIGHT.get(); |
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| 115 | selectTargetWayStroke = new BasicStroke(2, BasicStroke.CAP_ROUND, |
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| 116 | BasicStroke.JOIN_ROUND); |
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| 117 | float dash1[] = {4.0f}; |
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| 118 | moveNodeStroke = new BasicStroke(1.0f, BasicStroke.CAP_BUTT, |
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| 119 | BasicStroke.JOIN_MITER, 10.0f, dash1, 0.0f); |
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| 120 | addNodeStroke = new BasicStroke(1, BasicStroke.CAP_BUTT, |
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| 121 | BasicStroke.JOIN_MITER); |
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| 122 | deleteNodeStroke = new BasicStroke(1, BasicStroke.CAP_BUTT, |
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| 123 | BasicStroke.JOIN_MITER); |
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| 124 | } |
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| 125 | |
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| 126 | // ------------------------------------------------------------------------- |
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| 127 | // Mode methods |
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| 128 | // ------------------------------------------------------------------------- |
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| 129 | @Override |
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| 130 | public void enterMode() { |
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| 131 | if (!isEnabled()) { |
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| 132 | return; |
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| 133 | } |
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| 134 | super.enterMode(); |
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| 135 | |
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| 136 | mv = Main.map.mapView; |
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| 137 | mousePos = null; |
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| 138 | oldModeHelpText = ""; |
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| 139 | |
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| 140 | if (getCurrentDataSet() == null) { |
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| 141 | return; |
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| 142 | } |
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| 143 | |
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| 144 | updateStateByCurrentSelection(); |
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| 145 | |
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| 146 | Main.map.mapView.addMouseListener(this); |
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| 147 | Main.map.mapView.addMouseMotionListener(this); |
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| 148 | Main.map.mapView.addTemporaryLayer(this); |
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| 149 | DataSet.addSelectionListener(this); |
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| 150 | |
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| 151 | try { |
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| 152 | Toolkit.getDefaultToolkit().addAWTEventListener(this, |
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| 153 | AWTEvent.KEY_EVENT_MASK); |
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| 154 | } catch (SecurityException ex) { |
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| 155 | } |
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| 156 | } |
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| 157 | |
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| 158 | @Override |
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| 159 | public void exitMode() { |
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| 160 | super.exitMode(); |
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| 161 | |
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| 162 | Main.map.mapView.removeMouseListener(this); |
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| 163 | Main.map.mapView.removeMouseMotionListener(this); |
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| 164 | Main.map.mapView.removeTemporaryLayer(this); |
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| 165 | DataSet.removeSelectionListener(this); |
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| 166 | |
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| 167 | try { |
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| 168 | Toolkit.getDefaultToolkit().removeAWTEventListener(this); |
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| 169 | } catch (SecurityException ex) { |
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| 170 | } |
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| 171 | |
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| 172 | Main.map.mapView.repaint(); |
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| 173 | } |
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| 174 | |
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| 175 | @Override |
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| 176 | protected void updateStatusLine() { |
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| 177 | String newModeHelpText = getModeHelpText(); |
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| 178 | if (!newModeHelpText.equals(oldModeHelpText)) { |
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| 179 | oldModeHelpText = newModeHelpText; |
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| 180 | Main.map.statusLine.setHelpText(newModeHelpText); |
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| 181 | Main.map.statusLine.repaint(); |
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| 182 | } |
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| 183 | } |
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| 184 | |
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| 185 | @Override |
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| 186 | public String getModeHelpText() { |
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| 187 | if (state == State.selecting) { |
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| 188 | if (targetWay != null) { |
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| 189 | return tr("Click on the way to start improving its shape."); |
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| 190 | } else { |
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| 191 | return tr("Select a way that you want to make more accurate."); |
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| 192 | } |
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| 193 | } else { |
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| 194 | if (ctrl) { |
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| 195 | return tr("Click to add a new node. Release Ctrl to move existing nodes or hold Alt to delete."); |
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| 196 | } else if (alt) { |
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| 197 | return tr("Click to delete the highlighted node. Release Alt to move existing nodes or hold Ctrl to add new nodes."); |
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| 198 | } else { |
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| 199 | return tr("Click to move the highlighted node. Hold Ctrl to add new nodes, or Alt to delete."); |
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| 200 | } |
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| 201 | } |
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| 202 | } |
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| 203 | |
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| 204 | @Override |
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| 205 | public boolean layerIsSupported(Layer l) { |
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| 206 | return l instanceof OsmDataLayer; |
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| 207 | } |
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| 208 | |
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| 209 | @Override |
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| 210 | protected void updateEnabledState() { |
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| 211 | setEnabled(getEditLayer() != null); |
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| 212 | // setEnabled(Main.main.getActiveLayer() instanceof OsmDataLayer); |
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| 213 | } |
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| 214 | |
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| 215 | // ------------------------------------------------------------------------- |
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| 216 | // MapViewPaintable methods |
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| 217 | // ------------------------------------------------------------------------- |
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| 218 | /** |
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| 219 | * Redraws temporary layer. Highlights targetWay in select mode. Draws |
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| 220 | * preview lines in improve mode and highlights the candidateNode |
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| 221 | */ |
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| 222 | @Override |
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| 223 | public void paint(Graphics2D g, MapView mv, Bounds bbox) { |
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| 224 | if (mousePos == null) { |
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| 225 | return; |
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| 226 | } |
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| 227 | |
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| 228 | g.setColor(guideColor); |
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| 229 | |
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| 230 | if (state == State.selecting && targetWay != null) { |
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| 231 | // Highlighting the targetWay in Selecting state |
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| 232 | // Non-native highlighting is used, because sometimes highlighted |
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| 233 | // segments are covered with others, which is bad. |
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| 234 | g.setStroke(selectTargetWayStroke); |
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| 235 | |
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| 236 | List<Node> nodes = targetWay.getNodes(); |
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| 237 | |
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| 238 | GeneralPath b = new GeneralPath(); |
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| 239 | Point p0 = mv.getPoint(nodes.get(0)); |
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| 240 | Point pn; |
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| 241 | b.moveTo(p0.x, p0.y); |
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| 242 | |
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| 243 | for (Node n : nodes) { |
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| 244 | pn = mv.getPoint(n); |
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| 245 | b.lineTo(pn.x, pn.y); |
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| 246 | } |
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| 247 | if (targetWay.isClosed()) { |
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| 248 | b.lineTo(p0.x, p0.y); |
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| 249 | } |
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| 250 | |
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| 251 | g.draw(b); |
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| 252 | |
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| 253 | } else if (state == State.improving) { |
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| 254 | // Drawing preview lines and highlighting the node |
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| 255 | // that is going to be moved. |
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| 256 | // Non-native highlighting is used here as well. |
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| 257 | |
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| 258 | // Finding endpoints |
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| 259 | Point p1 = null, p2 = null; |
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| 260 | if (ctrl && candidateSegment != null) { |
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| 261 | g.setStroke(addNodeStroke); |
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| 262 | p1 = mv.getPoint(candidateSegment.getFirstNode()); |
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| 263 | p2 = mv.getPoint(candidateSegment.getSecondNode()); |
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| 264 | } else if (!alt && !ctrl && candidateNode != null) { |
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| 265 | g.setStroke(moveNodeStroke); |
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| 266 | List<Pair<Node, Node>> wpps = targetWay.getNodePairs(false); |
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| 267 | for (Pair<Node, Node> wpp : wpps) { |
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| 268 | if (wpp.a == candidateNode) { |
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| 269 | p1 = mv.getPoint(wpp.b); |
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| 270 | } |
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| 271 | if (wpp.b == candidateNode) { |
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| 272 | p2 = mv.getPoint(wpp.a); |
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| 273 | } |
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| 274 | if (p1 != null && p2 != null) { |
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| 275 | break; |
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| 276 | } |
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| 277 | } |
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| 278 | } else if (alt && !ctrl && candidateNode != null) { |
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| 279 | g.setStroke(deleteNodeStroke); |
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| 280 | List<Node> nodes = targetWay.getNodes(); |
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| 281 | int index = nodes.indexOf(candidateNode); |
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| 282 | |
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| 283 | // Only draw line if node is not first and/or last |
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| 284 | if (index != 0 && index != (nodes.size() - 1)) { |
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| 285 | p1 = mv.getPoint(nodes.get(index - 1)); |
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| 286 | p2 = mv.getPoint(nodes.get(index + 1)); |
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| 287 | } |
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| 288 | // TODO: indicate what part that will be deleted? (for end nodes) |
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| 289 | } |
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| 290 | |
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| 291 | |
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| 292 | // Drawing preview lines |
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| 293 | GeneralPath b = new GeneralPath(); |
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| 294 | if (alt && !ctrl) { |
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| 295 | // In delete mode |
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| 296 | if (p1 != null && p2 != null) { |
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| 297 | b.moveTo(p1.x, p1.y); |
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| 298 | b.lineTo(p2.x, p2.y); |
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| 299 | } |
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| 300 | } else { |
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| 301 | // In add or move mode |
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| 302 | if (p1 != null) { |
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| 303 | b.moveTo(mousePos.x, mousePos.y); |
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| 304 | b.lineTo(p1.x, p1.y); |
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| 305 | } |
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| 306 | if (p2 != null) { |
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| 307 | b.moveTo(mousePos.x, mousePos.y); |
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| 308 | b.lineTo(p2.x, p2.y); |
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| 309 | } |
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| 310 | } |
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| 311 | g.draw(b); |
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| 312 | |
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| 313 | // Highlighting candidateNode |
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| 314 | if (candidateNode != null) { |
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| 315 | p1 = mv.getPoint(candidateNode); |
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| 316 | g.fillRect(p1.x - 2, p1.y - 2, 6, 6); |
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| 317 | } |
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| 318 | |
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| 319 | } |
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| 320 | } |
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| 321 | |
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| 322 | // ------------------------------------------------------------------------- |
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| 323 | // Event handlers |
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| 324 | // ------------------------------------------------------------------------- |
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| 325 | @Override |
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| 326 | public void eventDispatched(AWTEvent event) { |
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| 327 | if (Main.map == null || Main.map.mapView == null |
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| 328 | || !Main.map.mapView.isActiveLayerDrawable()) { |
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| 329 | return; |
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| 330 | } |
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| 331 | updateKeyModifiers((InputEvent) event); |
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| 332 | updateCursorDependentObjectsIfNeeded(); |
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| 333 | updateCursor(); |
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| 334 | updateStatusLine(); |
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| 335 | Main.map.mapView.repaint(); |
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| 336 | } |
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| 337 | |
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| 338 | @Override |
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| 339 | public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) { |
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| 340 | if (selectionChangedBlocked) { |
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| 341 | return; |
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| 342 | } |
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| 343 | updateStateByCurrentSelection(); |
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| 344 | } |
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| 345 | |
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| 346 | @Override |
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| 347 | public void mouseDragged(MouseEvent e) { |
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| 348 | dragging = true; |
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| 349 | mouseMoved(e); |
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| 350 | } |
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| 351 | |
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| 352 | @Override |
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| 353 | public void mouseMoved(MouseEvent e) { |
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| 354 | if (!isEnabled()) { |
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| 355 | return; |
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| 356 | } |
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| 357 | |
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| 358 | mousePos = e.getPoint(); |
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| 359 | |
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| 360 | updateKeyModifiers(e); |
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| 361 | updateCursorDependentObjectsIfNeeded(); |
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| 362 | updateCursor(); |
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| 363 | updateStatusLine(); |
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| 364 | Main.map.mapView.repaint(); |
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| 365 | } |
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| 366 | |
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| 367 | @Override |
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| 368 | public void mouseReleased(MouseEvent e) { |
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| 369 | dragging = false; |
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| 370 | if (!isEnabled() || e.getButton() != MouseEvent.BUTTON1) { |
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| 371 | return; |
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| 372 | } |
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| 373 | |
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| 374 | updateKeyModifiers(e); |
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| 375 | mousePos = e.getPoint(); |
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| 376 | |
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| 377 | if (state == State.selecting) { |
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| 378 | if (targetWay != null) { |
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| 379 | getCurrentDataSet().setSelected(targetWay.getPrimitiveId()); |
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| 380 | updateStateByCurrentSelection(); |
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| 381 | } |
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| 382 | } else if (state == State.improving && mousePos != null) { |
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| 383 | // Checking if the new coordinate is outside of the world |
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| 384 | if (mv.getLatLon(mousePos.x, mousePos.y).isOutSideWorld()) { |
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| 385 | JOptionPane.showMessageDialog(Main.parent, |
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| 386 | tr("Cannot place a node outside of the world."), |
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| 387 | tr("Warning"), JOptionPane.WARNING_MESSAGE); |
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| 388 | return; |
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| 389 | } |
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| 390 | |
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| 391 | if (ctrl && !alt && candidateSegment != null) { |
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| 392 | // Adding a new node to the highlighted segment |
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| 393 | // Important: If there are other ways containing the same |
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| 394 | // segment, a node must added to all of that ways. |
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| 395 | Collection<Command> virtualCmds = new LinkedList<Command>(); |
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| 396 | |
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| 397 | // Creating a new node |
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| 398 | Node virtualNode = new Node(mv.getEastNorth(mousePos.x, |
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| 399 | mousePos.y)); |
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| 400 | virtualCmds.add(new AddCommand(virtualNode)); |
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| 401 | |
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| 402 | // Looking for candidateSegment copies in ways that are |
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| 403 | // referenced |
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| 404 | // by candidateSegment nodes |
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| 405 | List<Way> firstNodeWays = OsmPrimitive.getFilteredList( |
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| 406 | candidateSegment.getFirstNode().getReferrers(), |
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| 407 | Way.class); |
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| 408 | List<Way> secondNodeWays = OsmPrimitive.getFilteredList( |
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| 409 | candidateSegment.getFirstNode().getReferrers(), |
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| 410 | Way.class); |
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| 411 | |
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| 412 | Collection<WaySegment> virtualSegments = new LinkedList<WaySegment>(); |
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| 413 | for (Way w : firstNodeWays) { |
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| 414 | List<Pair<Node, Node>> wpps = w.getNodePairs(true); |
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| 415 | for (Way w2 : secondNodeWays) { |
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| 416 | if (!w.equals(w2)) { |
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| 417 | continue; |
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| 418 | } |
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| 419 | // A way is referenced in both nodes. |
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| 420 | // Checking if there is such segment |
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| 421 | int i = -1; |
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| 422 | for (Pair<Node, Node> wpp : wpps) { |
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| 423 | ++i; |
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| 424 | if ((wpp.a.equals(candidateSegment.getFirstNode()) |
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| 425 | && wpp.b.equals(candidateSegment.getSecondNode()) || (wpp.b.equals(candidateSegment.getFirstNode()) && wpp.a.equals(candidateSegment.getSecondNode())))) { |
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| 426 | virtualSegments.add(new WaySegment(w, i)); |
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| 427 | } |
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| 428 | } |
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| 429 | } |
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| 430 | } |
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| 431 | |
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| 432 | // Adding the node to all segments found |
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| 433 | for (WaySegment virtualSegment : virtualSegments) { |
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| 434 | Way w = virtualSegment.way; |
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| 435 | Way wnew = new Way(w); |
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| 436 | wnew.addNode(virtualSegment.lowerIndex + 1, virtualNode); |
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| 437 | virtualCmds.add(new ChangeCommand(w, wnew)); |
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| 438 | } |
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| 439 | |
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| 440 | // Finishing the sequence command |
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| 441 | String text = trn("Add and a new node to way", |
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| 442 | "Add and a new node to {0} ways", |
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| 443 | virtualSegments.size(), virtualSegments.size()); |
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| 444 | |
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| 445 | Main.main.undoRedo.add(new SequenceCommand(text, virtualCmds)); |
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| 446 | |
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| 447 | } else if (alt && !ctrl && candidateNode != null) { |
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| 448 | // Deleting the highlighted node |
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| 449 | |
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| 450 | //check to see if node has interesting keys |
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| 451 | Iterator<String> keyIterator = candidateNode.getKeys().keySet().iterator(); |
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| 452 | boolean hasTags = false; |
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| 453 | while (keyIterator.hasNext()) { |
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| 454 | String key = keyIterator.next(); |
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| 455 | if (!OsmPrimitive.isUninterestingKey(key)) { |
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| 456 | hasTags = true; |
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| 457 | break; |
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| 458 | } |
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| 459 | } |
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| 460 | |
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| 461 | //check to see if node is in use by more than one object |
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| 462 | List<OsmPrimitive> referrers = candidateNode.getReferrers(); |
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| 463 | List<Way> ways = OsmPrimitive.getFilteredList(referrers, Way.class); |
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| 464 | if (referrers.size() != 1 || ways.size() != 1) { |
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| 465 | JOptionPane.showMessageDialog(Main.parent, |
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| 466 | tr("Cannot delete node that is referenced by multiple objects"), |
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| 467 | tr("Error"), JOptionPane.ERROR_MESSAGE); |
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| 468 | } else if (hasTags) { |
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| 469 | JOptionPane.showMessageDialog(Main.parent, |
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| 470 | tr("Cannot delete node that has tags"), |
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| 471 | tr("Error"), JOptionPane.ERROR_MESSAGE); |
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| 472 | } else { |
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| 473 | List<Node> nodeList = new ArrayList<Node>(); |
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| 474 | nodeList.add(candidateNode); |
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| 475 | Command deleteCmd = DeleteCommand.delete(getEditLayer(), nodeList, true); |
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| 476 | Main.main.undoRedo.add(deleteCmd); |
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| 477 | } |
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| 478 | |
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| 479 | |
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| 480 | } else if (candidateNode != null) { |
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| 481 | // Moving the highlighted node |
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| 482 | EastNorth nodeEN = candidateNode.getEastNorth(); |
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| 483 | EastNorth cursorEN = mv.getEastNorth(mousePos.x, mousePos.y); |
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| 484 | |
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| 485 | Main.main.undoRedo.add(new MoveCommand(candidateNode, cursorEN.east() - nodeEN.east(), cursorEN.north() |
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| 486 | - nodeEN.north())); |
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| 487 | } |
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| 488 | } |
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| 489 | |
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| 490 | mousePos = null; |
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| 491 | updateCursor(); |
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| 492 | updateStatusLine(); |
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| 493 | Main.map.mapView.repaint(); |
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| 494 | } |
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| 495 | |
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| 496 | @Override |
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| 497 | public void mouseExited(MouseEvent e) { |
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| 498 | if (!isEnabled()) { |
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| 499 | return; |
|---|
| 500 | } |
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| 501 | |
|---|
| 502 | if (!dragging) { |
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| 503 | mousePos = null; |
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| 504 | } |
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| 505 | Main.map.mapView.repaint(); |
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| 506 | } |
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| 507 | |
|---|
| 508 | // ------------------------------------------------------------------------- |
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| 509 | // Custom methods |
|---|
| 510 | // ------------------------------------------------------------------------- |
|---|
| 511 | /** |
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| 512 | * Updates shift and ctrl key states |
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| 513 | */ |
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| 514 | @Override |
|---|
| 515 | protected void updateKeyModifiers(InputEvent e) { |
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| 516 | ctrl = (e.getModifiers() & ActionEvent.CTRL_MASK) != 0; |
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| 517 | shift = (e.getModifiers() & ActionEvent.SHIFT_MASK) != 0; |
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| 518 | // accept either Alt key (including AltGr) |
|---|
| 519 | alt = ((e.getModifiers() & (ActionEvent.ALT_MASK | InputEvent.ALT_GRAPH_MASK)) != 0); |
|---|
| 520 | } |
|---|
| 521 | |
|---|
| 522 | /** |
|---|
| 523 | * Sets new cursor depending on state, mouse position |
|---|
| 524 | */ |
|---|
| 525 | private void updateCursor() { |
|---|
| 526 | if (!isEnabled()) { |
|---|
| 527 | mv.setNewCursor(null, this); |
|---|
| 528 | return; |
|---|
| 529 | } |
|---|
| 530 | |
|---|
| 531 | if (state == State.selecting) { |
|---|
| 532 | mv.setNewCursor(targetWay == null ? cursorSelect |
|---|
| 533 | : cursorSelectHover, this); |
|---|
| 534 | } else if (state == State.improving) { |
|---|
| 535 | if (alt && !ctrl) { |
|---|
| 536 | mv.setNewCursor(cursorImproveDelete, this); |
|---|
| 537 | } else if (shift || dragging) { |
|---|
| 538 | if (ctrl) { |
|---|
| 539 | mv.setNewCursor(cursorImproveAddLock, this); |
|---|
| 540 | } else { |
|---|
| 541 | mv.setNewCursor(cursorImproveLock, this); |
|---|
| 542 | } |
|---|
| 543 | } else if (ctrl && !alt) { |
|---|
| 544 | mv.setNewCursor(cursorImproveAdd, this); |
|---|
| 545 | } else { |
|---|
| 546 | mv.setNewCursor(cursorImprove, this); |
|---|
| 547 | } |
|---|
| 548 | } |
|---|
| 549 | } |
|---|
| 550 | |
|---|
| 551 | /** |
|---|
| 552 | * Updates these objects under cursor: targetWay, candidateNode, |
|---|
| 553 | * candidateSegment |
|---|
| 554 | */ |
|---|
| 555 | public void updateCursorDependentObjectsIfNeeded() { |
|---|
| 556 | if (state == State.improving && (shift || dragging) |
|---|
| 557 | && !(candidateNode == null && candidateSegment == null)) { |
|---|
| 558 | return; |
|---|
| 559 | } |
|---|
| 560 | |
|---|
| 561 | if (mousePos == null) { |
|---|
| 562 | candidateNode = null; |
|---|
| 563 | candidateSegment = null; |
|---|
| 564 | return; |
|---|
| 565 | } |
|---|
| 566 | |
|---|
| 567 | if (state == State.selecting) { |
|---|
| 568 | targetWay = ImproveWayAccuracyHelper.findWay(mv, mousePos); |
|---|
| 569 | } else if (state == State.improving) { |
|---|
| 570 | if (ctrl && !alt) { |
|---|
| 571 | candidateSegment = ImproveWayAccuracyHelper.findCandidateSegment(mv, |
|---|
| 572 | targetWay, mousePos); |
|---|
| 573 | candidateNode = null; |
|---|
| 574 | } else { |
|---|
| 575 | candidateNode = ImproveWayAccuracyHelper.findCandidateNode(mv, |
|---|
| 576 | targetWay, mousePos); |
|---|
| 577 | candidateSegment = null; |
|---|
| 578 | } |
|---|
| 579 | } |
|---|
| 580 | } |
|---|
| 581 | |
|---|
| 582 | /** |
|---|
| 583 | * Switches to Selecting state |
|---|
| 584 | */ |
|---|
| 585 | public void startSelecting() { |
|---|
| 586 | state = State.selecting; |
|---|
| 587 | |
|---|
| 588 | targetWay = null; |
|---|
| 589 | if (getCurrentDataSet() != null) { |
|---|
| 590 | getCurrentDataSet().clearSelection(); |
|---|
| 591 | } |
|---|
| 592 | |
|---|
| 593 | mv.repaint(); |
|---|
| 594 | updateStatusLine(); |
|---|
| 595 | } |
|---|
| 596 | |
|---|
| 597 | /** |
|---|
| 598 | * Switches to Improving state |
|---|
| 599 | * |
|---|
| 600 | * @param targetWay Way that is going to be improved |
|---|
| 601 | */ |
|---|
| 602 | public void startImproving(Way targetWay) { |
|---|
| 603 | state = State.improving; |
|---|
| 604 | |
|---|
| 605 | List<OsmPrimitive> currentSelection = (List<OsmPrimitive>) getCurrentDataSet().getSelected(); |
|---|
| 606 | if (currentSelection.size() != 1 |
|---|
| 607 | || !currentSelection.get(0).equals(targetWay)) { |
|---|
| 608 | selectionChangedBlocked = true; |
|---|
| 609 | getCurrentDataSet().clearSelection(); |
|---|
| 610 | getCurrentDataSet().setSelected(targetWay.getPrimitiveId()); |
|---|
| 611 | selectionChangedBlocked = false; |
|---|
| 612 | } |
|---|
| 613 | |
|---|
| 614 | this.targetWay = targetWay; |
|---|
| 615 | this.candidateNode = null; |
|---|
| 616 | this.candidateSegment = null; |
|---|
| 617 | |
|---|
| 618 | mv.repaint(); |
|---|
| 619 | updateStatusLine(); |
|---|
| 620 | } |
|---|
| 621 | |
|---|
| 622 | /** |
|---|
| 623 | * Updates the state according to the current selection. Goes to Improve |
|---|
| 624 | * state if a single way or node is selected. Extracts a way by a node in |
|---|
| 625 | * the second case. |
|---|
| 626 | * |
|---|
| 627 | */ |
|---|
| 628 | private void updateStateByCurrentSelection() { |
|---|
| 629 | final ArrayList<Node> nodeList = new ArrayList<Node>(); |
|---|
| 630 | final ArrayList<Way> wayList = new ArrayList<Way>(); |
|---|
| 631 | final Collection<OsmPrimitive> sel = getCurrentDataSet().getSelected(); |
|---|
| 632 | |
|---|
| 633 | // Collecting nodes and ways from the selection |
|---|
| 634 | for (OsmPrimitive p : sel) { |
|---|
| 635 | if (p instanceof Way) { |
|---|
| 636 | wayList.add((Way) p); |
|---|
| 637 | } |
|---|
| 638 | if (p instanceof Node) { |
|---|
| 639 | nodeList.add((Node) p); |
|---|
| 640 | } |
|---|
| 641 | } |
|---|
| 642 | |
|---|
| 643 | if (wayList.size() == 1) { |
|---|
| 644 | // Starting improving the single selected way |
|---|
| 645 | startImproving(wayList.get(0)); |
|---|
| 646 | return; |
|---|
| 647 | } else if (nodeList.size() > 0) { |
|---|
| 648 | // Starting improving the only way of the single selected node |
|---|
| 649 | if (nodeList.size() == 1) { |
|---|
| 650 | List<OsmPrimitive> r = nodeList.get(0).getReferrers(); |
|---|
| 651 | if (r.size() == 1 && (r.get(0) instanceof Way)) { |
|---|
| 652 | startImproving((Way) r.get(0)); |
|---|
| 653 | return; |
|---|
| 654 | } |
|---|
| 655 | } |
|---|
| 656 | } |
|---|
| 657 | |
|---|
| 658 | // Starting selecting by default |
|---|
| 659 | startSelecting(); |
|---|
| 660 | } |
|---|
| 661 | } |
|---|