net/systemeD/potlatch2/controller/SelectedPOINode.as

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