net/systemeD/halcyon/connection/actions/MoveWayAction.as

   1 package net.systemeD.halcyon.connection.actions {
   2
   3     import net.systemeD.halcyon.connection.*;
   4     import net.systemeD.halcyon.Map;
   5
   6     public class MoveWayAction extends CompositeUndoableAction {
   7
   8         private var way:Way;
   9         private var downX:Number;
  10         private var downY:Number;
  11         private var x:Number;
  12         private var y:Number;
  13         private var map:Map;
  14
  15         public function MoveWayAction(way:Way, downX:Number, downY:Number, x:Number, y:Number, map:Map) {
  16             super("Drag way "+way.id);
  17             this.way = way;
  18             this.downX = downX;
  19             this.downY = downY;
  20             this.x = x;
  21             this.y = y;
  22             this.map = map;
  23         }
  24
  25         public override function doAction():uint {
  26             var lonDelta:Number = map.coord2lon(downX)-map.coord2lon(x);
  27             var latDelta:Number = map.coord2lat(downY)-map.coord2lat(y);
  28             var moved:Object = {};
  29             way.suspend();
  30             way.dispatchEvent(new WayDraggedEvent(Connection.WAY_DRAGGED, way, 0, 0));
  31             for (var i:uint=0; i<way.length; i++) {
  32                 var n:Node=way.getNode(i);
  33                 if (!moved[n.id]) {
  34                     n.setLatLon(n.lat-latDelta, n.lon-lonDelta, push);
  35                     moved[n.id]=true;
  36                 }
  37             }
  38             super.doAction();
  39             way.resume();
  40             return SUCCESS;
  41         }
  42
  43         public override function undoAction():uint {
  44             way.suspend();
  45             super.undoAction();
  46             way.resume();
  47             return SUCCESS;
  48         }
  49
  50     }
  51 }