net/systemeD/potlatch2/controller/SelectedWay.as

   1 package net.systemeD.potlatch2.controller {
   2         import flash.events.*;
   3         import flash.display.DisplayObject;
   4         import flash.ui.Keyboard;
   5     import net.systemeD.potlatch2.EditController;
   6     import net.systemeD.potlatch2.tools.Parallelise;
   7     import net.systemeD.potlatch2.tools.Simplify;
   8     import net.systemeD.halcyon.connection.*;
   9         import net.systemeD.halcyon.MapPaint;
  10         import net.systemeD.halcyon.WayUI;
  11         import net.systemeD.halcyon.Globals;
  12
  13     public class SelectedWay extends ControllerState {
  14         protected var initWay:Way;
  15
  16         public function SelectedWay(way:Way) {
  17             initWay = way;
  18         }
  19
  20         protected function selectWay(way:Way):void {
  21             if ( firstSelected is Way && Way(firstSelected)==way )
  22                 return;
  23
  24             clearSelection(this);
  25             controller.map.setHighlight(way, { selected: true, hover: false });
  26             controller.map.setHighlightOnNodes(way, { selectedway: true });
  27             selection = [way];
  28             controller.updateSelectionUI();
  29             initWay = way;
  30         }
  31
  32         protected function clearSelection(newState:ControllerState):void {
  33             if ( selectCount ) {
  34                 controller.map.setHighlight(firstSelected, { selected: false, hover: false });
  35                 controller.map.setHighlightOnNodes(firstSelected as Way, { selectedway: false });
  36                 selection = [];
  37                 if (!newState.isSelectionState()) { controller.updateSelectionUI(); }
  38             }
  39         }
  40
  41         override public function processMouseEvent(event:MouseEvent, entity:Entity):ControllerState {
  42                         if (event.type==MouseEvent.MOUSE_MOVE || event.type==MouseEvent.ROLL_OVER || event.type==MouseEvent.MOUSE_OUT) { return this; }
  43             var focus:Entity = getTopLevelFocusEntity(entity);
  44
  45             if ( event.type == MouseEvent.MOUSE_UP && entity is Node && event.shiftKey ) {
  46                                 // start new way
  47                                 var way:Way = controller.connection.createWay({}, [entity], MainUndoStack.getGlobalStack().addAction);
  48                                 return new DrawWay(way, true, false);
  49                         } else if ( event.type == MouseEvent.MOUSE_DOWN && entity is Way && focus==firstSelected && event.shiftKey) {
  50                                 // insert node within way (shift-click)
  51                 var d:DragWayNode=new DragWayNode(firstSelected as Way, -1, event, true);
  52                                 d.forceDragStart();
  53                                 return d;
  54                         } else if ( event.type == MouseEvent.MOUSE_DOWN && event.ctrlKey && entity!=firstSelected) {
  55                                 // multiple selection
  56                                 return new SelectedMultiple([firstSelected,entity]);
  57                         }
  58                         var cs:ControllerState = sharedMouseEvents(event, entity);
  59                         return cs ? cs : this;
  60         }
  61
  62                 override public function processKeyboardEvent(event:KeyboardEvent):ControllerState {
  63                         switch (event.keyCode) {
  64                                 case 80:                                        return new SelectedParallelWay(firstSelected as Way);
  65                                 case 82:                                        repeatTags(firstSelected); return this;
  66                 case 86:                    Way(firstSelected).reverseNodes(MainUndoStack.getGlobalStack().addAction); return this;
  67                 case 89:                    Simplify.simplify(firstSelected as Way, controller.map, true); return this;
  68                                 case Keyboard.BACKSPACE:        if (event.shiftKey) { return deleteWay(); } break;
  69                                 case Keyboard.DELETE:           if (event.shiftKey) { return deleteWay(); } break;
  70                         }
  71                         var cs:ControllerState = sharedKeyboardEvents(event);
  72                         return cs ? cs : this;
  73                 }
  74
  75                 public function deleteWay():ControllerState {
  76                         controller.map.setHighlightOnNodes(firstSelected as Way, {selectedway: false});
  77                         selectedWay.remove(MainUndoStack.getGlobalStack().addAction);
  78                         return new NoSelection();
  79                 }
  80
  81         override public function enterState():void {
  82             selectWay(initWay);
  83                         controller.map.setPurgable(selection,false);
  84                         Globals.vars.root.addDebug("**** -> "+this+" "+firstSelected.id);
  85         }
  86         override public function exitState(newState:ControllerState):void {
  87                         controller.clipboards['way']=firstSelected.getTagsCopy();
  88                         controller.map.setPurgable(selection,true);
  89             clearSelection(newState);
  90                         Globals.vars.root.addDebug("**** <- "+this);
  91         }
  92
  93         override public function toString():String {
  94             return "SelectedWay";
  95         }
  96
  97     }
  98 }