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

   1 package net.systemeD.halcyon.connection.actions {
   2
   3     import net.systemeD.halcyon.connection.*;
   4         import net.systemeD.halcyon.Globals;
   5
   6     public class AddNodeToWayAction extends UndoableEntityAction {
   7         private var node:Node;
   8         private var nodeList:Array;
   9         private var index:int;
  10
  11         public function AddNodeToWayAction(way:Way, node:Node, nodeList:Array, index:int) {
  12             super(way, "Add node "+node.id+" to");
  13             this.node = node;
  14             this.nodeList = nodeList;
  15             this.index = index;
  16         }
  17
  18         public override function doAction():uint {
  19             var way:Way = entity as Way;
  20             if ( index == -1 )
  21                 index = nodeList.length;
  22             node.addParent(way);
  23             nodeList.splice(index, 0, node);
  24             markDirty();
  25                         way.expandBbox(node);
  26             way.dispatchEvent(new WayNodeEvent(Connection.WAY_NODE_ADDED, node, way, index));
  27
  28             return SUCCESS;
  29         }
  30
  31         public override function undoAction():uint {
  32             var way:Way = entity as Way;
  33             var removed:Array=nodeList.splice(index, 1);
  34                         if (nodeList.indexOf(removed[0])==-1) { removed[0].removeParent(way); }
  35                         markClean();
  36             way.dispatchEvent(new WayNodeEvent(Connection.WAY_NODE_REMOVED, removed[0], way, index));
  37
  38             return SUCCESS;
  39         }
  40     }
  41 }
  42