1 package net.systemeD.potlatch2.controller {
3 import net.systemeD.potlatch2.EditController;
4 import net.systemeD.halcyon.connection.*;
5 import net.systemeD.halcyon.Globals;
7 public class DragWayNode extends ControllerState {
8 private var selectedWay:Way;
9 private var draggingNode:Node;
10 private var isDraggingStarted:Boolean = false;
11 private var isNew:Boolean = false;
13 private var downX:Number;
14 private var downY:Number;
15 private var dragstate:uint=NOT_MOVED;
16 private const NOT_DRAGGING:uint=0;
17 private const NOT_MOVED:uint=1;
18 private const DRAGGING:uint=2;
20 public function DragWayNode(way:Way, node:Node, event:MouseEvent, newNode:Boolean) {
28 override public function processMouseEvent(event:MouseEvent, entity:Entity):ControllerState {
30 if (event.type==MouseEvent.MOUSE_UP) {
31 if (dragstate==DRAGGING) {
32 // mouse-up while dragging, so end drag
33 return new SelectedWayNode(selectedWay,draggingNode);
35 } else if (event.shiftKey && !isNew) {
37 var way:Way = controller.connection.createWay({}, [entity],
38 MainUndoStack.getGlobalStack().addAction);
39 return new DrawWay(way, true, false);
40 } else if (event.shiftKey && isNew) {
41 return new SelectedWayNode(selectedWay,draggingNode);
44 dragstate=NOT_DRAGGING;
45 return SelectedWayNode.selectOrEdit(selectedWay, draggingNode);
48 } else if ( event.type == MouseEvent.MOUSE_MOVE) {
50 if (dragstate==NOT_DRAGGING) {
52 } else if (dragstate==NOT_MOVED && Math.abs(downX - event.localX) < 3 && Math.abs(downY - event.localY) < 3) {
64 private function endDrag():ControllerState {
68 private function dragTo(event:MouseEvent):ControllerState {
69 draggingNode.setLatLon( controller.map.coord2lat(event.localY), controller.map.coord2lon(event.localX) );
73 public function forceDragStart():void {
77 override public function enterState():void {
78 controller.map.setHighlight(selectedWay, { showNodes: true } );
79 Globals.vars.root.addDebug("**** -> "+this);
81 override public function exitState():void {
82 controller.map.setHighlight(selectedWay, { showNodes: false } );
83 Globals.vars.root.addDebug("**** <- "+this);
85 override public function toString():String {