net/systemeD/potlatch2/controller/SelectedPOINode.as

   1 package net.systemeD.potlatch2.controller {
   2         import flash.events.*;
   3         import flash.display.*;
   4         import flash.ui.Keyboard;
   5     import net.systemeD.potlatch2.EditController;
   6     import net.systemeD.halcyon.connection.*;
   7     import net.systemeD.halcyon.MapPaint;
   8
   9     public class SelectedPOINode extends ControllerState {
  10         protected var initNode:Node;
  11
  12         public function SelectedPOINode(node:Node, layer:MapPaint=null) {
  13                         if (layer) this.layer=layer;
  14             initNode = node;
  15         }
  16
  17         protected function selectNode(node:Node):void {
  18             if ( firstSelected is Node && Node(firstSelected)==node )
  19                 return;
  20
  21             clearSelection(this);
  22             layer.setHighlight(node, { selected: true });
  23             selection = [node];
  24             controller.updateSelectionUI();
  25             initNode = node;
  26         }
  27
  28         protected function clearSelection(newState:ControllerState):void {
  29             if ( selectCount ) {
  30                 layer.setHighlight(firstSelected, { selected: false });
  31                 selection = [];
  32                 if (!newState.isSelectionState()) { controller.updateSelectionUI(); }
  33             }
  34         }
  35
  36         override public function processMouseEvent(event:MouseEvent, entity:Entity):ControllerState {
  37                         if (event.type==MouseEvent.MOUSE_MOVE) { return this; }
  38                         var paint:MapPaint = getMapPaint(DisplayObject(event.target));
  39
  40                         if (event.type==MouseEvent.MOUSE_DOWN && event.ctrlKey && !event.altKey && entity && entity!=firstSelected && paint==layer) {
  41                                 return new SelectedMultiple([firstSelected,entity],layer);
  42                         } else if (event.type==MouseEvent.MOUSE_DOWN && event.shiftKey && !entity && !layer.isBackground) {
  43                                 return new DrawQuadrilateral(firstSelected as Node);
  44                         } else if ( event.type == MouseEvent.MOUSE_UP && entity==firstSelected ) {
  45                                 return this;
  46                         }
  47                         var cs:ControllerState = sharedMouseEvents(event, entity);
  48                         return cs ? cs : this;
  49         }
  50
  51                 override public function processKeyboardEvent(event:KeyboardEvent):ControllerState {
  52                         switch (event.keyCode) {
  53                                 case Keyboard.BACKSPACE:        return deletePOI();
  54                                 case Keyboard.DELETE:           return deletePOI();
  55                                 case 82:                                        repeatTags(firstSelected); return this; // 'R'
  56                         }
  57                         var cs:ControllerState = sharedKeyboardEvents(event);
  58                         return cs ? cs : this;
  59                 }
  60
  61                 public function deletePOI():ControllerState {
  62                         firstSelected.connection.unregisterPOI(firstSelected as Node);
  63                         firstSelected.remove(MainUndoStack.getGlobalStack().addAction);
  64                         return new NoSelection();
  65                 }
  66
  67         override public function enterState():void {
  68             selectNode(initNode);
  69                         layer.setPurgable(selection,false);
  70         }
  71         override public function exitState(newState:ControllerState):void {
  72             if(firstSelected.hasTags()) {
  73               controller.clipboards['node']=firstSelected.getTagsCopy();
  74             }
  75                         layer.setPurgable(selection,true);
  76             clearSelection(newState);
  77         }
  78
  79         override public function toString():String {
  80             return "SelectedPOINode";
  81         }
  82
  83     }
  84 }