| 1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others |
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| 2 | package org.openstreetmap.josm.actions.mapmode; |
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| 3 | |
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| 4 | import static org.openstreetmap.josm.gui.help.HelpUtil.ht; |
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| 5 | import static org.openstreetmap.josm.tools.I18n.tr; |
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| 6 | import static org.openstreetmap.josm.tools.I18n.trn; |
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| 7 | |
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| 8 | import java.awt.AWTEvent; |
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| 9 | import java.awt.Cursor; |
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| 10 | import java.awt.Point; |
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| 11 | import java.awt.Rectangle; |
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| 12 | import java.awt.Toolkit; |
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| 13 | import java.awt.event.AWTEventListener; |
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| 14 | import java.awt.event.InputEvent; |
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| 15 | import java.awt.event.KeyEvent; |
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| 16 | import java.awt.event.MouseEvent; |
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| 17 | import java.awt.geom.Point2D; |
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| 18 | import java.util.Collection; |
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| 19 | import java.util.Collections; |
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| 20 | import java.util.HashSet; |
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| 21 | import java.util.Iterator; |
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| 22 | import java.util.LinkedList; |
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| 23 | import java.util.Set; |
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| 24 | |
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| 25 | import javax.swing.JOptionPane; |
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| 26 | |
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| 27 | import org.openstreetmap.josm.Main; |
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| 28 | import org.openstreetmap.josm.actions.MergeNodesAction; |
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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.MoveCommand; |
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| 33 | import org.openstreetmap.josm.command.RotateCommand; |
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| 34 | import org.openstreetmap.josm.command.ScaleCommand; |
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| 35 | import org.openstreetmap.josm.command.SequenceCommand; |
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| 36 | import org.openstreetmap.josm.data.coor.EastNorth; |
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| 37 | import org.openstreetmap.josm.data.osm.DataSet; |
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| 38 | import org.openstreetmap.josm.data.osm.Node; |
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| 39 | import org.openstreetmap.josm.data.osm.OsmPrimitive; |
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| 40 | import org.openstreetmap.josm.data.osm.Way; |
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| 41 | import org.openstreetmap.josm.data.osm.WaySegment; |
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| 42 | import org.openstreetmap.josm.data.osm.visitor.AllNodesVisitor; |
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| 43 | import org.openstreetmap.josm.data.osm.visitor.paint.WireframeMapRenderer; |
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| 44 | import org.openstreetmap.josm.gui.ExtendedDialog; |
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| 45 | import org.openstreetmap.josm.gui.MapFrame; |
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| 46 | import org.openstreetmap.josm.gui.MapView; |
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| 47 | import org.openstreetmap.josm.gui.SelectionManager; |
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| 48 | import org.openstreetmap.josm.gui.SelectionManager.SelectionEnded; |
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| 49 | import org.openstreetmap.josm.gui.layer.Layer; |
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| 50 | import org.openstreetmap.josm.gui.layer.OsmDataLayer; |
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| 51 | import org.openstreetmap.josm.tools.ImageProvider; |
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| 52 | import org.openstreetmap.josm.tools.Pair; |
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| 53 | import org.openstreetmap.josm.tools.PlatformHookOsx; |
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| 54 | import org.openstreetmap.josm.tools.Shortcut; |
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| 55 | |
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| 56 | /** |
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| 57 | * Move is an action that can move all kind of OsmPrimitives (except keys for now). |
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| 58 | * |
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| 59 | * If an selected object is under the mouse when dragging, move all selected objects. |
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| 60 | * If an unselected object is under the mouse when dragging, it becomes selected |
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| 61 | * and will be moved. |
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| 62 | * If no object is under the mouse, move all selected objects (if any) |
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| 63 | * |
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| 64 | * @author imi |
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| 65 | */ |
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| 66 | public class SelectAction extends MapMode implements AWTEventListener, SelectionEnded { |
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| 67 | // "select" means the selection rectangle and "move" means either dragging |
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| 68 | // or select if no mouse movement occurs (i.e. just clicking) |
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| 69 | enum Mode { move, rotate, scale, select } |
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| 70 | |
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| 71 | // contains all possible cases the cursor can be in the SelectAction |
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| 72 | static private enum SelectActionCursor { |
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| 73 | rect("normal", "selection"), |
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| 74 | rect_add("normal", "select_add"), |
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| 75 | rect_rm("normal", "select_remove"), |
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| 76 | way("normal", "select_way"), |
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| 77 | way_add("normal", "select_way_add"), |
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| 78 | way_rm("normal", "select_way_remove"), |
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| 79 | node("normal", "select_node"), |
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| 80 | node_add("normal", "select_node_add"), |
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| 81 | node_rm("normal", "select_node_remove"), |
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| 82 | virtual_node("normal", "addnode"), |
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| 83 | scale("scale", null), |
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| 84 | rotate("rotate", null), |
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| 85 | merge("crosshair", null), |
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| 86 | lasso("normal", "rope"), |
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| 87 | merge_to_node("crosshair", "joinnode"), |
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| 88 | move(Cursor.MOVE_CURSOR); |
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| 89 | |
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| 90 | private final Cursor c; |
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| 91 | private SelectActionCursor(String main, String sub) { |
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| 92 | c = ImageProvider.getCursor(main, sub); |
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| 93 | } |
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| 94 | private SelectActionCursor(int systemCursor) { |
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| 95 | c = Cursor.getPredefinedCursor(systemCursor); |
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| 96 | } |
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| 97 | public Cursor cursor() { |
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| 98 | return c; |
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| 99 | } |
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| 100 | } |
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| 101 | |
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| 102 | private boolean lassoMode = false; |
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| 103 | |
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| 104 | // Cache previous mouse event (needed when only the modifier keys are |
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| 105 | // pressed but the mouse isn't moved) |
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| 106 | private MouseEvent oldEvent = null; |
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| 107 | |
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| 108 | private Mode mode = null; |
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| 109 | private SelectionManager selectionManager; |
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| 110 | private boolean cancelDrawMode = false; |
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| 111 | private boolean drawTargetHighlight; |
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| 112 | private boolean didMouseDrag = false; |
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| 113 | /** |
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| 114 | * The component this SelectAction is associated with. |
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| 115 | */ |
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| 116 | private final MapView mv; |
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| 117 | /** |
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| 118 | * The old cursor before the user pressed the mouse button. |
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| 119 | */ |
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| 120 | private Point startingDraggingPos; |
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| 121 | /** |
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| 122 | * The last known position of the mouse. |
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| 123 | */ |
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| 124 | private Point lastMousePos; |
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| 125 | /** |
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| 126 | * The time of the user mouse down event. |
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| 127 | */ |
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| 128 | private long mouseDownTime = 0; |
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| 129 | /** |
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| 130 | * The pressed button of the user mouse down event. |
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| 131 | */ |
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| 132 | private int mouseDownButton = 0; |
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| 133 | /** |
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| 134 | * The time of the user mouse down event. |
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| 135 | */ |
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| 136 | private long mouseReleaseTime = 0; |
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| 137 | /** |
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| 138 | * The time which needs to pass between click and release before something |
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| 139 | * counts as a move, in milliseconds |
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| 140 | */ |
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| 141 | private int initialMoveDelay; |
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| 142 | /** |
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| 143 | * The screen distance which needs to be travelled before something |
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| 144 | * counts as a move, in pixels |
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| 145 | */ |
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| 146 | private int initialMoveThreshold; |
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| 147 | private boolean initialMoveThresholdExceeded = false; |
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| 148 | |
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| 149 | /** |
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| 150 | * elements that have been highlighted in the previous iteration. Used |
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| 151 | * to remove the highlight from them again as otherwise the whole data |
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| 152 | * set would have to be checked. |
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| 153 | */ |
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| 154 | private Set<OsmPrimitive> oldHighlights = new HashSet<OsmPrimitive>(); |
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| 155 | |
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| 156 | /** |
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| 157 | * Create a new SelectAction |
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| 158 | * @param mapFrame The MapFrame this action belongs to. |
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| 159 | */ |
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| 160 | public SelectAction(MapFrame mapFrame) { |
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| 161 | super(tr("Select"), "move/move", tr("Select, move, scale and rotate objects"), |
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| 162 | Shortcut.registerShortcut("mapmode:select", tr("Mode: {0}", tr("Select")), KeyEvent.VK_S, Shortcut.DIRECT), |
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| 163 | mapFrame, |
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| 164 | ImageProvider.getCursor("normal", "selection")); |
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| 165 | mv = mapFrame.mapView; |
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| 166 | putValue("help", ht("/Action/Select")); |
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| 167 | selectionManager = new SelectionManager(this, false, mv); |
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| 168 | initialMoveDelay = Main.pref.getInteger("edit.initial-move-delay", 200); |
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| 169 | initialMoveThreshold = Main.pref.getInteger("edit.initial-move-threshold", 5); |
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| 170 | } |
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| 171 | |
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| 172 | @Override |
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| 173 | public void enterMode() { |
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| 174 | super.enterMode(); |
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| 175 | mv.addMouseListener(this); |
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| 176 | mv.addMouseMotionListener(this); |
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| 177 | mv.setVirtualNodesEnabled(Main.pref.getInteger("mappaint.node.virtual-size", 8) != 0); |
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| 178 | drawTargetHighlight = Main.pref.getBoolean("draw.target-highlight", true); |
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| 179 | // This is required to update the cursors when ctrl/shift/alt is pressed |
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| 180 | try { |
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| 181 | Toolkit.getDefaultToolkit().addAWTEventListener(this, AWTEvent.KEY_EVENT_MASK); |
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| 182 | } catch (SecurityException ex) {} |
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| 183 | } |
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| 184 | |
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| 185 | @Override |
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| 186 | public void exitMode() { |
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| 187 | super.exitMode(); |
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| 188 | selectionManager.unregister(mv); |
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| 189 | mv.removeMouseListener(this); |
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| 190 | mv.removeMouseMotionListener(this); |
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| 191 | mv.setVirtualNodesEnabled(false); |
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| 192 | try { |
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| 193 | Toolkit.getDefaultToolkit().removeAWTEventListener(this); |
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| 194 | } catch (SecurityException ex) {} |
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| 195 | removeHighlighting(); |
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| 196 | } |
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| 197 | |
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| 198 | /** |
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| 199 | * works out which cursor should be displayed for most of SelectAction's |
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| 200 | * features. The only exception is the "move" cursor when actually dragging |
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| 201 | * primitives. |
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| 202 | * @param nearbyStuff primitives near the cursor |
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| 203 | * @return the cursor that should be displayed |
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| 204 | */ |
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| 205 | private Cursor getCursor(Collection<OsmPrimitive> nearbyStuff) { |
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| 206 | String c = "rect"; |
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| 207 | switch(mode) { |
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| 208 | case move: |
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| 209 | if(virtualNode != null) { |
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| 210 | c = "virtual_node"; |
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| 211 | break; |
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| 212 | } |
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| 213 | final Iterator<OsmPrimitive> it = nearbyStuff.iterator(); |
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| 214 | final OsmPrimitive osm = it.hasNext() ? it.next() : null; |
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| 215 | |
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| 216 | if(dragInProgress()) { |
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| 217 | // only consider merge if ctrl is pressed and there are nodes in |
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| 218 | // the selection that could be merged |
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| 219 | if(!ctrl || getCurrentDataSet().getSelectedNodes().isEmpty()) { |
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| 220 | c = "move"; |
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| 221 | break; |
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| 222 | } |
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| 223 | // only show merge to node cursor if nearby node and that node is currently |
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| 224 | // not being dragged |
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| 225 | final boolean hasTarget = osm != null && osm instanceof Node && !osm.isSelected(); |
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| 226 | c = hasTarget ? "merge_to_node" : "merge"; |
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| 227 | break; |
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| 228 | } |
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| 229 | |
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| 230 | c = (osm instanceof Node) ? "node" : c; |
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| 231 | c = (osm instanceof Way) ? "way" : c; |
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| 232 | if(shift) { |
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| 233 | c += "_add"; |
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| 234 | } else if(ctrl) { |
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| 235 | c += osm == null || osm.isSelected() ? "_rm" : "_add"; |
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| 236 | } |
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| 237 | break; |
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| 238 | case rotate: |
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| 239 | c = "rotate"; |
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| 240 | break; |
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| 241 | case scale: |
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| 242 | c = "scale"; |
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| 243 | break; |
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| 244 | case select: |
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| 245 | if (lassoMode) { |
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| 246 | c = "lasso"; |
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| 247 | } else { |
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| 248 | c = "rect" + (shift ? "_add" : (ctrl ? "_rm" : "")); |
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| 249 | } |
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| 250 | break; |
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| 251 | } |
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| 252 | return SelectActionCursor.valueOf(c).cursor(); |
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| 253 | } |
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| 254 | |
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| 255 | /** |
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| 256 | * Removes all existing highlights. |
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| 257 | * @return true if a repaint is required |
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| 258 | */ |
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| 259 | private boolean removeHighlighting() { |
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| 260 | boolean needsRepaint = false; |
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| 261 | DataSet ds = getCurrentDataSet(); |
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| 262 | if(ds != null && !ds.getHighlightedVirtualNodes().isEmpty()) { |
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| 263 | needsRepaint = true; |
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| 264 | ds.clearHighlightedVirtualNodes(); |
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| 265 | } |
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| 266 | if(oldHighlights.isEmpty()) |
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| 267 | return needsRepaint; |
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| 268 | |
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| 269 | for(OsmPrimitive prim : oldHighlights) { |
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| 270 | prim.setHighlighted(false); |
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| 271 | } |
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| 272 | oldHighlights = new HashSet<OsmPrimitive>(); |
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| 273 | return true; |
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| 274 | } |
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| 275 | |
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| 276 | private boolean repaintIfRequired(HashSet<OsmPrimitive> newHighlights) { |
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| 277 | if(!drawTargetHighlight) |
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| 278 | return false; |
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| 279 | |
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| 280 | boolean needsRepaint = false; |
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| 281 | for(OsmPrimitive x : newHighlights) { |
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| 282 | if(oldHighlights.contains(x)) { |
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| 283 | continue; |
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| 284 | } |
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| 285 | needsRepaint = true; |
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| 286 | x.setHighlighted(true); |
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| 287 | } |
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| 288 | oldHighlights.removeAll(newHighlights); |
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| 289 | for(OsmPrimitive x : oldHighlights) { |
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| 290 | x.setHighlighted(false); |
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| 291 | needsRepaint = true; |
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| 292 | } |
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| 293 | oldHighlights = newHighlights; |
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| 294 | return needsRepaint; |
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| 295 | } |
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| 296 | |
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| 297 | /** |
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| 298 | * handles adding highlights and updating the cursor for the given mouse event. |
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| 299 | * Please note that the highlighting for merging while moving is handled via mouseDragged. |
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| 300 | * @param MouseEvent which should be used as base for the feedback |
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| 301 | * @return true if repaint is required |
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| 302 | */ |
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| 303 | private boolean giveUserFeedback(MouseEvent e) { |
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| 304 | return giveUserFeedback(e, e.getModifiers()); |
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| 305 | } |
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| 306 | |
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| 307 | /** |
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| 308 | * handles adding highlights and updating the cursor for the given mouse event. |
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| 309 | * Please note that the highlighting for merging while moving is handled via mouseDragged. |
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| 310 | * @param MouseEvent which should be used as base for the feedback |
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| 311 | * @param define custom keyboard modifiers if the ones from MouseEvent are outdated or similar |
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| 312 | * @return true if repaint is required |
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| 313 | */ |
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| 314 | private boolean giveUserFeedback(MouseEvent e, int modifiers) { |
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| 315 | Collection<OsmPrimitive> c = MapView.asColl( |
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| 316 | mv.getNearestNodeOrWay(e.getPoint(), OsmPrimitive.isSelectablePredicate, true)); |
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| 317 | |
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| 318 | updateKeyModifiers(modifiers); |
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| 319 | determineMapMode(!c.isEmpty()); |
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| 320 | |
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| 321 | HashSet<OsmPrimitive> newHighlights = new HashSet<OsmPrimitive>(); |
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| 322 | |
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| 323 | virtualWays.clear(); |
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| 324 | virtualNode = null; |
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| 325 | if(mode == Mode.move && setupVirtual(e)) { |
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| 326 | DataSet ds = getCurrentDataSet(); |
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| 327 | if (ds != null && drawTargetHighlight) { |
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| 328 | ds.setHighlightedVirtualNodes(virtualWays); |
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| 329 | } |
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| 330 | mv.setNewCursor(SelectActionCursor.virtual_node.cursor(), this); |
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| 331 | // don't highlight anything else if a virtual node will be |
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| 332 | return repaintIfRequired(newHighlights); |
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| 333 | } |
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| 334 | |
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| 335 | mv.setNewCursor(getCursor(c), this); |
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| 336 | |
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| 337 | // return early if there can't be any highlights |
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| 338 | if(!drawTargetHighlight || mode != Mode.move || c.isEmpty()) |
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| 339 | return repaintIfRequired(newHighlights); |
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| 340 | |
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| 341 | // CTRL toggles selection, but if while dragging CTRL means merge |
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| 342 | final boolean isToggleMode = ctrl && !dragInProgress(); |
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| 343 | for(OsmPrimitive x : c) { |
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| 344 | // only highlight primitives that will change the selection |
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| 345 | // when clicked. I.e. don't highlight selected elements unless |
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| 346 | // we are in toggle mode. |
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| 347 | if(isToggleMode || !x.isSelected()) { |
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| 348 | newHighlights.add(x); |
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| 349 | } |
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| 350 | } |
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| 351 | return repaintIfRequired(newHighlights); |
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| 352 | } |
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| 353 | |
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| 354 | /** |
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| 355 | * This is called whenever the keyboard modifier status changes |
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| 356 | */ |
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| 357 | public void eventDispatched(AWTEvent e) { |
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| 358 | if(oldEvent == null) |
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| 359 | return; |
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| 360 | // We don't have a mouse event, so we pass the old mouse event but the |
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| 361 | // new modifiers. |
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| 362 | if(giveUserFeedback(oldEvent, ((InputEvent) e).getModifiers())) { |
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| 363 | mv.repaint(); |
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| 364 | } |
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| 365 | } |
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| 366 | |
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| 367 | /** |
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| 368 | * If the left mouse button is pressed, move all currently selected |
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| 369 | * objects (if one of them is under the mouse) or the current one under the |
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| 370 | * mouse (which will become selected). |
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| 371 | */ |
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| 372 | @Override |
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| 373 | public void mouseDragged(MouseEvent e) { |
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| 374 | if (!mv.isActiveLayerVisible()) |
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| 375 | return; |
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| 376 | |
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| 377 | // Swing sends random mouseDragged events when closing dialogs by double-clicking their top-left icon on Windows |
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| 378 | // Ignore such false events to prevent issues like #7078 |
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| 379 | if (mouseDownButton == MouseEvent.BUTTON1 && mouseReleaseTime > mouseDownTime) |
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| 380 | return; |
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| 381 | |
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| 382 | cancelDrawMode = true; |
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| 383 | if (mode == Mode.select) |
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| 384 | return; |
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| 385 | |
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| 386 | // do not count anything as a move if it lasts less than 100 milliseconds. |
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| 387 | if ((mode == Mode.move) && (System.currentTimeMillis() - mouseDownTime < initialMoveDelay)) |
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| 388 | return; |
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| 389 | |
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| 390 | if (mode != Mode.rotate && mode != Mode.scale) // button is pressed in rotate mode |
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| 391 | { |
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| 392 | if ((e.getModifiersEx() & MouseEvent.BUTTON1_DOWN_MASK) == 0) |
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| 393 | return; |
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| 394 | } |
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| 395 | |
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| 396 | if (mode == Mode.move) { |
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| 397 | // If ctrl is pressed we are in merge mode. Look for a nearby node, |
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| 398 | // highlight it and adjust the cursor accordingly. |
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| 399 | final boolean canMerge = ctrl && !getCurrentDataSet().getSelectedNodes().isEmpty(); |
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| 400 | final OsmPrimitive p = canMerge ? (OsmPrimitive)findNodeToMergeTo(e) : null; |
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| 401 | boolean needsRepaint = removeHighlighting(); |
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| 402 | if(p != null) { |
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| 403 | p.setHighlighted(true); |
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| 404 | oldHighlights.add(p); |
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| 405 | needsRepaint = true; |
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| 406 | } |
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| 407 | mv.setNewCursor(getCursor(MapView.asColl(p)), this); |
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| 408 | // also update the stored mouse event, so we can display the correct cursor |
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| 409 | // when dragging a node onto another one and then press CTRL to merge |
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| 410 | oldEvent = e; |
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| 411 | if(needsRepaint) { |
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| 412 | mv.repaint(); |
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| 413 | } |
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| 414 | } |
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| 415 | |
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| 416 | if (startingDraggingPos == null) { |
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| 417 | startingDraggingPos = new Point(e.getX(), e.getY()); |
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| 418 | } |
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| 419 | |
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| 420 | if( lastMousePos == null ) { |
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| 421 | lastMousePos = e.getPoint(); |
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| 422 | return; |
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| 423 | } |
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| 424 | |
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| 425 | if (!initialMoveThresholdExceeded) { |
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| 426 | int dxp = lastMousePos.x - e.getX(); |
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| 427 | int dyp = lastMousePos.y - e.getY(); |
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| 428 | int dp = (int) Math.sqrt(dxp * dxp + dyp * dyp); |
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| 429 | if (dp < initialMoveThreshold) |
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| 430 | return; |
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| 431 | initialMoveThresholdExceeded = true; |
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| 432 | } |
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| 433 | |
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| 434 | EastNorth currentEN = mv.getEastNorth(e.getX(), e.getY()); |
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| 435 | EastNorth lastEN = mv.getEastNorth(lastMousePos.x, lastMousePos.y); |
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| 436 | //EastNorth startEN = mv.getEastNorth(startingDraggingPos.x, startingDraggingPos.y); |
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| 437 | double dx = currentEN.east() - lastEN.east(); |
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| 438 | double dy = currentEN.north() - lastEN.north(); |
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| 439 | if (dx == 0 && dy == 0) |
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| 440 | return; |
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| 441 | |
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| 442 | if (virtualWays.size() > 0) { |
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| 443 | Collection<Command> virtualCmds = new LinkedList<Command>(); |
|---|
| 444 | virtualCmds.add(new AddCommand(virtualNode)); |
|---|
| 445 | for (WaySegment virtualWay : virtualWays) { |
|---|
| 446 | Way w = virtualWay.way; |
|---|
| 447 | Way wnew = new Way(w); |
|---|
| 448 | wnew.addNode(virtualWay.lowerIndex + 1, virtualNode); |
|---|
| 449 | virtualCmds.add(new ChangeCommand(w, wnew)); |
|---|
| 450 | } |
|---|
| 451 | virtualCmds.add(new MoveCommand(virtualNode, dx, dy)); |
|---|
| 452 | String text = trn("Add and move a virtual new node to way", |
|---|
| 453 | "Add and move a virtual new node to {0} ways", virtualWays.size(), |
|---|
| 454 | virtualWays.size()); |
|---|
| 455 | Main.main.undoRedo.add(new SequenceCommand(text, virtualCmds)); |
|---|
| 456 | getCurrentDataSet().setSelected(Collections.singleton((OsmPrimitive) virtualNode)); |
|---|
| 457 | virtualWays.clear(); |
|---|
| 458 | virtualNode = null; |
|---|
| 459 | } else { |
|---|
| 460 | // Currently we support only transformations which do not affect relations. |
|---|
| 461 | // So don't add them in the first place to make handling easier |
|---|
| 462 | Collection<OsmPrimitive> selection = getCurrentDataSet().getSelectedNodesAndWays(); |
|---|
| 463 | Collection<Node> affectedNodes = AllNodesVisitor.getAllNodes(selection); |
|---|
| 464 | |
|---|
| 465 | // for these transformations, having only one node makes no sense - quit silently |
|---|
| 466 | if (affectedNodes.size() < 2 && (mode == Mode.rotate || mode == Mode.scale)) |
|---|
| 467 | return; |
|---|
| 468 | |
|---|
| 469 | Command c = !Main.main.undoRedo.commands.isEmpty() |
|---|
| 470 | ? Main.main.undoRedo.commands.getLast() : null; |
|---|
| 471 | if (c instanceof SequenceCommand) { |
|---|
| 472 | c = ((SequenceCommand) c).getLastCommand(); |
|---|
| 473 | } |
|---|
| 474 | |
|---|
| 475 | if (mode == Mode.move) { |
|---|
| 476 | if (c instanceof MoveCommand && affectedNodes.equals(((MoveCommand) c).getParticipatingPrimitives())) { |
|---|
| 477 | ((MoveCommand) c).moveAgain(dx, dy); |
|---|
| 478 | } else { |
|---|
| 479 | Main.main.undoRedo.add( |
|---|
| 480 | c = new MoveCommand(selection, dx, dy)); |
|---|
| 481 | } |
|---|
| 482 | |
|---|
| 483 | for (Node n : affectedNodes) { |
|---|
| 484 | if (n.getCoor().isOutSideWorld()) { |
|---|
| 485 | // Revert move |
|---|
| 486 | ((MoveCommand) c).moveAgain(-dx, -dy); |
|---|
| 487 | |
|---|
| 488 | JOptionPane.showMessageDialog( |
|---|
| 489 | Main.parent, |
|---|
| 490 | tr("Cannot move objects outside of the world."), |
|---|
| 491 | tr("Warning"), |
|---|
| 492 | JOptionPane.WARNING_MESSAGE); |
|---|
| 493 | mv.setNewCursor(cursor, this); |
|---|
| 494 | return; |
|---|
| 495 | } |
|---|
| 496 | } |
|---|
| 497 | } else if (mode == Mode.rotate) { |
|---|
| 498 | if (c instanceof RotateCommand && affectedNodes.equals(((RotateCommand) c).getTransformedNodes())) { |
|---|
| 499 | ((RotateCommand) c).handleEvent(currentEN); |
|---|
| 500 | } else { |
|---|
| 501 | Main.main.undoRedo.add(new RotateCommand(selection, currentEN)); |
|---|
| 502 | } |
|---|
| 503 | } else if (mode == Mode.scale) { |
|---|
| 504 | if (c instanceof ScaleCommand && affectedNodes.equals(((ScaleCommand) c).getTransformedNodes())) { |
|---|
| 505 | ((ScaleCommand) c).handleEvent(currentEN); |
|---|
| 506 | } else { |
|---|
| 507 | Main.main.undoRedo.add(new ScaleCommand(selection, currentEN)); |
|---|
| 508 | } |
|---|
| 509 | } |
|---|
| 510 | } |
|---|
| 511 | |
|---|
| 512 | mv.repaint(); |
|---|
| 513 | if (mode != Mode.scale) { |
|---|
| 514 | lastMousePos = e.getPoint(); |
|---|
| 515 | } |
|---|
| 516 | |
|---|
| 517 | didMouseDrag = true; |
|---|
| 518 | } |
|---|
| 519 | |
|---|
| 520 | @Override |
|---|
| 521 | public void mouseMoved(MouseEvent e) { |
|---|
| 522 | // Mac OSX simulates with ctrl + mouse 1 the second mouse button hence no dragging events get fired. |
|---|
| 523 | if ((Main.platform instanceof PlatformHookOsx) && (mode == Mode.rotate || mode == Mode.scale)) { |
|---|
| 524 | mouseDragged(e); |
|---|
| 525 | return; |
|---|
| 526 | } |
|---|
| 527 | oldEvent = e; |
|---|
| 528 | if(giveUserFeedback(e)) { |
|---|
| 529 | mv.repaint(); |
|---|
| 530 | } |
|---|
| 531 | } |
|---|
| 532 | |
|---|
| 533 | @Override |
|---|
| 534 | public void mouseExited(MouseEvent e) { |
|---|
| 535 | if(removeHighlighting()) { |
|---|
| 536 | mv.repaint(); |
|---|
| 537 | } |
|---|
| 538 | } |
|---|
| 539 | |
|---|
| 540 | /** returns true whenever elements have been grabbed and moved (i.e. the initial |
|---|
| 541 | * thresholds have been exceeded) and is still in progress (i.e. mouse button |
|---|
| 542 | * still pressed) |
|---|
| 543 | */ |
|---|
| 544 | final private boolean dragInProgress() { |
|---|
| 545 | return didMouseDrag && startingDraggingPos != null; |
|---|
| 546 | } |
|---|
| 547 | |
|---|
| 548 | private Node virtualNode = null; |
|---|
| 549 | private Collection<WaySegment> virtualWays = new LinkedList<WaySegment>(); |
|---|
| 550 | |
|---|
| 551 | /** |
|---|
| 552 | * Calculate a virtual node if there is enough visual space to draw a crosshair |
|---|
| 553 | * node and the middle of a way segment is clicked. If the user drags the |
|---|
| 554 | * crosshair node, it will be added to all ways in <code>virtualWays</code>. |
|---|
| 555 | * |
|---|
| 556 | * @param e contains the point clicked |
|---|
| 557 | * @return whether <code>virtualNode</code> and <code>virtualWays</code> were setup. |
|---|
| 558 | */ |
|---|
| 559 | private boolean setupVirtual(MouseEvent e) { |
|---|
| 560 | if (Main.pref.getInteger("mappaint.node.virtual-size", 8) > 0) { |
|---|
| 561 | int virtualSnapDistSq = Main.pref.getInteger("mappaint.node.virtual-snap-distance", 8); |
|---|
| 562 | int virtualSpace = Main.pref.getInteger("mappaint.node.virtual-space", 70); |
|---|
| 563 | virtualSnapDistSq *= virtualSnapDistSq; |
|---|
| 564 | |
|---|
| 565 | Collection<WaySegment> selVirtualWays = new LinkedList<WaySegment>(); |
|---|
| 566 | Pair<Node, Node> vnp = null, wnp = new Pair<Node, Node>(null, null); |
|---|
| 567 | Point p = e.getPoint(); |
|---|
| 568 | Way w = null; |
|---|
| 569 | |
|---|
| 570 | for (WaySegment ws : mv.getNearestWaySegments(p, OsmPrimitive.isSelectablePredicate)) { |
|---|
| 571 | w = ws.way; |
|---|
| 572 | |
|---|
| 573 | Point2D p1 = mv.getPoint2D(wnp.a = w.getNode(ws.lowerIndex)); |
|---|
| 574 | Point2D p2 = mv.getPoint2D(wnp.b = w.getNode(ws.lowerIndex + 1)); |
|---|
| 575 | if (WireframeMapRenderer.isLargeSegment(p1, p2, virtualSpace)) { |
|---|
| 576 | Point2D pc = new Point2D.Double((p1.getX() + p2.getX()) / 2, (p1.getY() + p2.getY()) / 2); |
|---|
| 577 | if (p.distanceSq(pc) < virtualSnapDistSq) { |
|---|
| 578 | // Check that only segments on top of each other get added to the |
|---|
| 579 | // virtual ways list. Otherwise ways that coincidentally have their |
|---|
| 580 | // virtual node at the same spot will be joined which is likely unwanted |
|---|
| 581 | Pair.sort(wnp); |
|---|
| 582 | if (vnp == null) { |
|---|
| 583 | vnp = new Pair<Node, Node>(wnp.a, wnp.b); |
|---|
| 584 | virtualNode = new Node(mv.getLatLon(pc.getX(), pc.getY())); |
|---|
| 585 | } |
|---|
| 586 | if (vnp.equals(wnp)) { |
|---|
| 587 | (w.isSelected() ? selVirtualWays : virtualWays).add(ws); |
|---|
| 588 | } |
|---|
| 589 | } |
|---|
| 590 | } |
|---|
| 591 | } |
|---|
| 592 | |
|---|
| 593 | if (!selVirtualWays.isEmpty()) { |
|---|
| 594 | virtualWays = selVirtualWays; |
|---|
| 595 | } |
|---|
| 596 | } |
|---|
| 597 | |
|---|
| 598 | return !virtualWays.isEmpty(); |
|---|
| 599 | } |
|---|
| 600 | private Collection<OsmPrimitive> cycleList = Collections.emptyList(); |
|---|
| 601 | private boolean cyclePrims = false; |
|---|
| 602 | private OsmPrimitive cycleStart = null; |
|---|
| 603 | |
|---|
| 604 | /** |
|---|
| 605 | * |
|---|
| 606 | * @param osm nearest primitive found by simple method |
|---|
| 607 | * @param e |
|---|
| 608 | * @return |
|---|
| 609 | */ |
|---|
| 610 | private Collection<OsmPrimitive> cycleSetup(Collection<OsmPrimitive> single, MouseEvent e) { |
|---|
| 611 | OsmPrimitive osm = null; |
|---|
| 612 | |
|---|
| 613 | if (single != null && !single.isEmpty()) { |
|---|
| 614 | osm = single.iterator().next(); |
|---|
| 615 | |
|---|
| 616 | Point p = e.getPoint(); |
|---|
| 617 | boolean waitForMouseUp = Main.pref.getBoolean("mappaint.select.waits-for-mouse-up", false); |
|---|
| 618 | updateKeyModifiers(e); |
|---|
| 619 | alt = alt || Main.pref.getBoolean("selectaction.cycles.multiple.matches", false); |
|---|
| 620 | |
|---|
| 621 | if (!alt) { |
|---|
| 622 | cycleList = MapView.asColl(osm); |
|---|
| 623 | |
|---|
| 624 | if (waitForMouseUp) { |
|---|
| 625 | // prefer a selected nearest node or way, if possible |
|---|
| 626 | osm = mv.getNearestNodeOrWay(p, OsmPrimitive.isSelectablePredicate, true); |
|---|
| 627 | } |
|---|
| 628 | } else { |
|---|
| 629 | cycleList = mv.getAllNearest(p, OsmPrimitive.isSelectablePredicate); |
|---|
| 630 | |
|---|
| 631 | if (cycleList.size() > 1) { |
|---|
| 632 | cyclePrims = false; |
|---|
| 633 | |
|---|
| 634 | OsmPrimitive old = osm; |
|---|
| 635 | for (OsmPrimitive o : cycleList) { |
|---|
| 636 | if (o.isSelected()) { |
|---|
| 637 | cyclePrims = true; |
|---|
| 638 | osm = o; |
|---|
| 639 | break; |
|---|
| 640 | } |
|---|
| 641 | } |
|---|
| 642 | |
|---|
| 643 | // special case: for cycle groups of 2, we can toggle to the |
|---|
| 644 | // true nearest primitive on mousePressed right away |
|---|
| 645 | if (cycleList.size() == 2 && !waitForMouseUp) { |
|---|
| 646 | if (!(osm.equals(old) || osm.isNew() || ctrl)) { |
|---|
| 647 | cyclePrims = false; |
|---|
| 648 | osm = old; |
|---|
| 649 | } // else defer toggling to mouseRelease time in those cases: |
|---|
| 650 | /* |
|---|
| 651 | * osm == old -- the true nearest node is the selected one |
|---|
| 652 | * osm is a new node -- do not break unglue ways in ALT mode |
|---|
| 653 | * ctrl is pressed -- ctrl generally works on mouseReleased |
|---|
| 654 | */ |
|---|
| 655 | } |
|---|
| 656 | } |
|---|
| 657 | } |
|---|
| 658 | } |
|---|
| 659 | |
|---|
| 660 | return MapView.asColl(osm); |
|---|
| 661 | } |
|---|
| 662 | |
|---|
| 663 | /** |
|---|
| 664 | * sets the mapmode according to key modifiers and if there are any |
|---|
| 665 | * selectables nearby. Everything has to be pre-determined for this |
|---|
| 666 | * function; its main purpose is to centralize what the modifiers do. |
|---|
| 667 | * @param hasSelectionNearby |
|---|
| 668 | */ |
|---|
| 669 | private void determineMapMode(boolean hasSelectionNearby) { |
|---|
| 670 | if (shift && ctrl) { |
|---|
| 671 | mode = Mode.rotate; |
|---|
| 672 | } else if (alt && ctrl) { |
|---|
| 673 | mode = Mode.scale; |
|---|
| 674 | } else if (hasSelectionNearby || dragInProgress()) { |
|---|
| 675 | mode = Mode.move; |
|---|
| 676 | } else { |
|---|
| 677 | mode = Mode.select; |
|---|
| 678 | } |
|---|
| 679 | } |
|---|
| 680 | |
|---|
| 681 | /** |
|---|
| 682 | * Look, whether any object is selected. If not, select the nearest node. |
|---|
| 683 | * If there are no nodes in the dataset, do nothing. |
|---|
| 684 | * |
|---|
| 685 | * If the user did not press the left mouse button, do nothing. |
|---|
| 686 | * |
|---|
| 687 | * Also remember the starting position of the movement and change the mouse |
|---|
| 688 | * cursor to movement. |
|---|
| 689 | */ |
|---|
| 690 | @Override |
|---|
| 691 | public void mousePressed(MouseEvent e) { |
|---|
| 692 | // return early |
|---|
| 693 | if (!mv.isActiveLayerVisible() || !(Boolean) this.getValue("active") || (mouseDownButton = e.getButton()) != MouseEvent.BUTTON1) |
|---|
| 694 | return; |
|---|
| 695 | |
|---|
| 696 | // request focus in order to enable the expected keyboard shortcuts |
|---|
| 697 | mv.requestFocus(); |
|---|
| 698 | |
|---|
| 699 | // update which modifiers are pressed (shift, alt, ctrl) |
|---|
| 700 | updateKeyModifiers(e); |
|---|
| 701 | |
|---|
| 702 | // We don't want to change to draw tool if the user tries to (de)select |
|---|
| 703 | // stuff but accidentally clicks in an empty area when selection is empty |
|---|
| 704 | cancelDrawMode = (shift || ctrl); |
|---|
| 705 | didMouseDrag = false; |
|---|
| 706 | initialMoveThresholdExceeded = false; |
|---|
| 707 | mouseDownTime = System.currentTimeMillis(); |
|---|
| 708 | lastMousePos = e.getPoint(); |
|---|
| 709 | |
|---|
| 710 | Collection<OsmPrimitive> c = MapView.asColl( |
|---|
| 711 | mv.getNearestNodeOrWay(e.getPoint(), OsmPrimitive.isSelectablePredicate, true)); |
|---|
| 712 | |
|---|
| 713 | determineMapMode(!c.isEmpty()); |
|---|
| 714 | switch(mode) { |
|---|
| 715 | case rotate: |
|---|
| 716 | case scale: |
|---|
| 717 | if (getCurrentDataSet().getSelected().isEmpty()) { |
|---|
| 718 | getCurrentDataSet().setSelected(c); |
|---|
| 719 | } |
|---|
| 720 | |
|---|
| 721 | // Mode.select redraws when selectPrims is called |
|---|
| 722 | // Mode.move redraws when mouseDragged is called |
|---|
| 723 | // Mode.rotate redraws here |
|---|
| 724 | // Mode.scale redraws here |
|---|
| 725 | break; |
|---|
| 726 | case move: |
|---|
| 727 | if (!cancelDrawMode && c.iterator().next() instanceof Way) { |
|---|
| 728 | setupVirtual(e); |
|---|
| 729 | } |
|---|
| 730 | |
|---|
| 731 | selectPrims(cycleSetup(c, e), e, false, false); |
|---|
| 732 | break; |
|---|
| 733 | case select: |
|---|
| 734 | default: |
|---|
| 735 | selectionManager.register(mv, lassoMode); |
|---|
| 736 | selectionManager.mousePressed(e); |
|---|
| 737 | break; |
|---|
| 738 | } |
|---|
| 739 | giveUserFeedback(e); |
|---|
| 740 | mv.repaint(); |
|---|
| 741 | updateStatusLine(); |
|---|
| 742 | } |
|---|
| 743 | |
|---|
| 744 | @Override |
|---|
| 745 | public void mouseReleased(MouseEvent e) { |
|---|
| 746 | if (!mv.isActiveLayerVisible()) |
|---|
| 747 | return; |
|---|
| 748 | |
|---|
| 749 | startingDraggingPos = null; |
|---|
| 750 | mouseReleaseTime = System.currentTimeMillis(); |
|---|
| 751 | |
|---|
| 752 | if (mode == Mode.select) { |
|---|
| 753 | selectionManager.unregister(mv); |
|---|
| 754 | |
|---|
| 755 | // Select Draw Tool if no selection has been made |
|---|
| 756 | if (getCurrentDataSet().getSelected().size() == 0 && !cancelDrawMode) { |
|---|
| 757 | Main.map.selectDrawTool(true); |
|---|
| 758 | return; |
|---|
| 759 | } |
|---|
| 760 | } |
|---|
| 761 | |
|---|
| 762 | if (mode == Mode.move && e.getButton() == MouseEvent.BUTTON1) { |
|---|
| 763 | if (!didMouseDrag) { |
|---|
| 764 | // only built in move mode |
|---|
| 765 | virtualWays.clear(); |
|---|
| 766 | virtualNode = null; |
|---|
| 767 | |
|---|
| 768 | // do nothing if the click was to short too be recognized as a drag, |
|---|
| 769 | // but the release position is farther than 10px away from the press position |
|---|
| 770 | if (lastMousePos == null || lastMousePos.distanceSq(e.getPoint()) < 100) { |
|---|
| 771 | selectPrims(cyclePrims(cycleList, e), e, true, false); |
|---|
| 772 | |
|---|
| 773 | // If the user double-clicked a node, change to draw mode |
|---|
| 774 | Collection<OsmPrimitive> c = getCurrentDataSet().getSelected(); |
|---|
| 775 | if (e.getClickCount() >= 2 && c.size() == 1 && c.iterator().next() instanceof Node) { |
|---|
| 776 | // We need to do it like this as otherwise drawAction will see a double |
|---|
| 777 | // click and switch back to SelectMode |
|---|
| 778 | Main.worker.execute(new Runnable() { |
|---|
| 779 | public void run() { |
|---|
| 780 | Main.map.selectDrawTool(true); |
|---|
| 781 | } |
|---|
| 782 | }); |
|---|
| 783 | return; |
|---|
| 784 | } |
|---|
| 785 | } |
|---|
| 786 | } else { |
|---|
| 787 | int max = Main.pref.getInteger("warn.move.maxelements", 20), limit = max; |
|---|
| 788 | for (OsmPrimitive osm : getCurrentDataSet().getSelected()) { |
|---|
| 789 | if (osm instanceof Way) { |
|---|
| 790 | limit -= ((Way) osm).getNodes().size(); |
|---|
| 791 | } |
|---|
| 792 | if ((limit -= 1) < 0) { |
|---|
| 793 | break; |
|---|
| 794 | } |
|---|
| 795 | } |
|---|
| 796 | if (limit < 0) { |
|---|
| 797 | ExtendedDialog ed = new ExtendedDialog( |
|---|
| 798 | Main.parent, |
|---|
| 799 | tr("Move elements"), |
|---|
| 800 | new String[]{tr("Move them"), tr("Undo move")}); |
|---|
| 801 | ed.setButtonIcons(new String[]{"reorder.png", "cancel.png"}); |
|---|
| 802 | ed.setContent(tr("You moved more than {0} elements. " + "Moving a large number of elements is often an error.\n" + "Really move them?", max)); |
|---|
| 803 | ed.setCancelButton(2); |
|---|
| 804 | ed.toggleEnable("movedManyElements"); |
|---|
| 805 | ed.showDialog(); |
|---|
| 806 | |
|---|
| 807 | if (ed.getValue() != 1) { |
|---|
| 808 | Main.main.undoRedo.undo(); |
|---|
| 809 | } |
|---|
| 810 | } else { |
|---|
| 811 | mergePrims(e); |
|---|
| 812 | } |
|---|
| 813 | getCurrentDataSet().fireSelectionChanged(); |
|---|
| 814 | } |
|---|
| 815 | } |
|---|
| 816 | |
|---|
| 817 | mode = null; |
|---|
| 818 | |
|---|
| 819 | // simply remove any highlights if the middle click popup is active because |
|---|
| 820 | // the highlights don't depend on the cursor position there. If something was |
|---|
| 821 | // selected beforehand this would put us into move mode as well, which breaks |
|---|
| 822 | // the cycling through primitives on top of each other (see #6739). |
|---|
| 823 | if(e.getButton() == MouseEvent.BUTTON2) { |
|---|
| 824 | removeHighlighting(); |
|---|
| 825 | } else { |
|---|
| 826 | giveUserFeedback(e); |
|---|
| 827 | } |
|---|
| 828 | updateStatusLine(); |
|---|
| 829 | } |
|---|
| 830 | |
|---|
| 831 | public void selectionEnded(Rectangle r, MouseEvent e) { |
|---|
| 832 | updateKeyModifiers(e); |
|---|
| 833 | mv.repaint(); |
|---|
| 834 | selectPrims(selectionManager.getSelectedObjects(alt), e, true, true); |
|---|
| 835 | } |
|---|
| 836 | |
|---|
| 837 | /** |
|---|
| 838 | * Modifies current selection state and returns the next element in a |
|---|
| 839 | * selection cycle given by <code>prims</code>. |
|---|
| 840 | * @param prims the primitives that form the selection cycle |
|---|
| 841 | * @param mouse event |
|---|
| 842 | * @return the next element of cycle list <code>prims</code>. |
|---|
| 843 | */ |
|---|
| 844 | private Collection<OsmPrimitive> cyclePrims(Collection<OsmPrimitive> prims, MouseEvent e) { |
|---|
| 845 | OsmPrimitive nxt = null; |
|---|
| 846 | |
|---|
| 847 | if (prims.size() > 1) { |
|---|
| 848 | updateKeyModifiers(e); |
|---|
| 849 | |
|---|
| 850 | DataSet ds = getCurrentDataSet(); |
|---|
| 851 | OsmPrimitive first = prims.iterator().next(), foundInDS = null; |
|---|
| 852 | nxt = first; |
|---|
| 853 | |
|---|
| 854 | for (Iterator<OsmPrimitive> i = prims.iterator(); i.hasNext();) { |
|---|
| 855 | if (cyclePrims && shift) { |
|---|
| 856 | if (!(nxt = i.next()).isSelected()) { |
|---|
| 857 | break; // take first primitive in prims list not in sel |
|---|
| 858 | } |
|---|
| 859 | } else { |
|---|
| 860 | if ((nxt = i.next()).isSelected()) { |
|---|
| 861 | foundInDS = nxt; |
|---|
| 862 | if (cyclePrims || ctrl) { |
|---|
| 863 | ds.clearSelection(foundInDS); |
|---|
| 864 | nxt = i.hasNext() ? i.next() : first; |
|---|
| 865 | } |
|---|
| 866 | break; // take next primitive in prims list |
|---|
| 867 | } |
|---|
| 868 | } |
|---|
| 869 | } |
|---|
| 870 | |
|---|
| 871 | if (ctrl) { |
|---|
| 872 | // a member of prims was found in the current dataset selection |
|---|
| 873 | if (foundInDS != null) { |
|---|
| 874 | // mouse was moved to a different selection group w/ a previous sel |
|---|
| 875 | if (!prims.contains(cycleStart)) { |
|---|
| 876 | ds.clearSelection(prims); |
|---|
| 877 | cycleStart = foundInDS; |
|---|
| 878 | } else if (cycleStart.equals(nxt)) { |
|---|
| 879 | // loop detected, insert deselect step |
|---|
| 880 | ds.addSelected(nxt); |
|---|
| 881 | } |
|---|
| 882 | } else { |
|---|
| 883 | // setup for iterating a sel group again or a new, different one.. |
|---|
| 884 | nxt = (prims.contains(cycleStart)) ? cycleStart : first; |
|---|
| 885 | cycleStart = nxt; |
|---|
| 886 | } |
|---|
| 887 | } else { |
|---|
| 888 | cycleStart = null; |
|---|
| 889 | } |
|---|
| 890 | } |
|---|
| 891 | |
|---|
| 892 | // pass on prims, if it had less than 2 elements |
|---|
| 893 | return (nxt != null) ? MapView.asColl(nxt) : prims; |
|---|
| 894 | } |
|---|
| 895 | |
|---|
| 896 | /** Merges the selected nodes to the one closest to the given mouse position iff the control |
|---|
| 897 | * key is pressed. If there is no such node, no action will be done and no error will be |
|---|
| 898 | * reported. If there is, it will execute the merge and add it to the undo buffer. */ |
|---|
| 899 | final private void mergePrims(MouseEvent e) { |
|---|
| 900 | updateKeyModifiers(e); |
|---|
| 901 | Collection<Node> selNodes = getCurrentDataSet().getSelectedNodes(); |
|---|
| 902 | if (!ctrl || selNodes.isEmpty()) |
|---|
| 903 | return; |
|---|
| 904 | |
|---|
| 905 | Node target = findNodeToMergeTo(e); |
|---|
| 906 | if (target == null) |
|---|
| 907 | return; |
|---|
| 908 | |
|---|
| 909 | Collection<Node> nodesToMerge = new LinkedList<Node>(selNodes); |
|---|
| 910 | nodesToMerge.add(target); |
|---|
| 911 | Command cmd = MergeNodesAction.mergeNodes(Main.main.getEditLayer(), nodesToMerge, target); |
|---|
| 912 | if (cmd != null) { |
|---|
| 913 | Main.main.undoRedo.add(cmd); |
|---|
| 914 | getCurrentDataSet().setSelected(target); |
|---|
| 915 | } |
|---|
| 916 | } |
|---|
| 917 | |
|---|
| 918 | /** tries to find a node to merge to when in move-merge mode for the current mouse |
|---|
| 919 | * position. Either returns the node or null, if no suitable one is nearby. */ |
|---|
| 920 | final private Node findNodeToMergeTo(MouseEvent e) { |
|---|
| 921 | Collection<Node> target = mv.getNearestNodes(e.getPoint(), |
|---|
| 922 | getCurrentDataSet().getSelectedNodes(), |
|---|
| 923 | OsmPrimitive.isSelectablePredicate); |
|---|
| 924 | return target.isEmpty() ? null : target.iterator().next(); |
|---|
| 925 | } |
|---|
| 926 | |
|---|
| 927 | private void selectPrims(Collection<OsmPrimitive> prims, MouseEvent e, boolean released, boolean area) { |
|---|
| 928 | updateKeyModifiers(e); |
|---|
| 929 | DataSet ds = getCurrentDataSet(); |
|---|
| 930 | |
|---|
| 931 | // not allowed together: do not change dataset selection, return early |
|---|
| 932 | // Virtual Ways: if non-empty the cursor is above a virtual node. So don't highlight |
|---|
| 933 | // anything if about to drag the virtual node (i.e. !released) but continue if the |
|---|
| 934 | // cursor is only released above a virtual node by accident (i.e. released). See #7018 |
|---|
| 935 | if ((shift && ctrl) || (ctrl && !released) || (!virtualWays.isEmpty() && !released)) |
|---|
| 936 | return; |
|---|
| 937 | |
|---|
| 938 | if (!released) { |
|---|
| 939 | // Don't replace the selection if the user clicked on a |
|---|
| 940 | // selected object (it breaks moving of selected groups). |
|---|
| 941 | // Do it later, on mouse release. |
|---|
| 942 | shift |= getCurrentDataSet().getSelected().containsAll(prims); |
|---|
| 943 | } |
|---|
| 944 | |
|---|
| 945 | if (ctrl) { |
|---|
| 946 | // Ctrl on an item toggles its selection status, |
|---|
| 947 | // but Ctrl on an *area* just clears those items |
|---|
| 948 | // out of the selection. |
|---|
| 949 | if (area) { |
|---|
| 950 | ds.clearSelection(prims); |
|---|
| 951 | } else { |
|---|
| 952 | ds.toggleSelected(prims); |
|---|
| 953 | } |
|---|
| 954 | } else if (shift) { |
|---|
| 955 | // add prims to an existing selection |
|---|
| 956 | ds.addSelected(prims); |
|---|
| 957 | } else { |
|---|
| 958 | // clear selection, then select the prims clicked |
|---|
| 959 | ds.setSelected(prims); |
|---|
| 960 | } |
|---|
| 961 | } |
|---|
| 962 | |
|---|
| 963 | @Override |
|---|
| 964 | public String getModeHelpText() { |
|---|
| 965 | if (mode == Mode.select) |
|---|
| 966 | return tr("Release the mouse button to select the objects in the rectangle."); |
|---|
| 967 | else if (mode == Mode.move) { |
|---|
| 968 | final boolean canMerge = getCurrentDataSet()!=null && !getCurrentDataSet().getSelectedNodes().isEmpty(); |
|---|
| 969 | final String mergeHelp = canMerge ? (" " + tr("Ctrl to merge with nearest node.")) : ""; |
|---|
| 970 | return tr("Release the mouse button to stop moving.") + mergeHelp; |
|---|
| 971 | } else if (mode == Mode.rotate) |
|---|
| 972 | return tr("Release the mouse button to stop rotating."); |
|---|
| 973 | else if (mode == Mode.scale) |
|---|
| 974 | return tr("Release the mouse button to stop scaling."); |
|---|
| 975 | else |
|---|
| 976 | return tr("Move objects by dragging; Shift to add to selection (Ctrl to toggle); Shift-Ctrl to rotate selected; Alt-Ctrl to scale selected; or change selection"); |
|---|
| 977 | } |
|---|
| 978 | |
|---|
| 979 | @Override |
|---|
| 980 | public boolean layerIsSupported(Layer l) { |
|---|
| 981 | return l instanceof OsmDataLayer; |
|---|
| 982 | } |
|---|
| 983 | |
|---|
| 984 | public void setLassoMode(boolean lassoMode) { |
|---|
| 985 | this.selectionManager.setLassoMode(lassoMode); |
|---|
| 986 | this.lassoMode = lassoMode; |
|---|
| 987 | } |
|---|
| 988 | } |
|---|