net/systemeD/potlatch2/mapfeatures/editors/RelationMemberEditor.as

   1 package net.systemeD.potlatch2.mapfeatures.editors {
   2
   3     import net.systemeD.halcyon.connection.*;
   4     import net.systemeD.potlatch2.mapfeatures.*;
   5     import mx.containers.VBox;
   6     import flash.events.*;
   7
   8         public class RelationMemberEditor extends VBox {
   9
  10       protected var _factory:RelationMemberEditorFactory;
  11       protected var _entity:Entity;
  12
  13       [Bindable(event="factory_set")]
  14       public function get fieldName():String {
  15           return _factory == null ? "" : _factory.name;
  16       }
  17
  18       [Bindable(event="factory_set")]
  19       public function get fieldDescription():String {
  20           return _factory == null ? "" : _factory.description;
  21       }
  22
  23       [Bindable(event="relations_changed")]
  24       public function get matchedRelations():Array {
  25           if (_entity == null)
  26               return [];
  27
  28           var relationTagPatterns:Object = _factory.relationTagPatterns;
  29           var matched:Array = [];
  30
  31           for each(var relation:Relation in _entity.parentRelations) {
  32               var addable:Boolean = true;
  33               for ( var k:String in relationTagPatterns ) {
  34                   var relVal:String = relation.getTag(k);
  35                   if ( relationTagPatterns[k].indexOf(relVal) < 0 ) {
  36                       addable = false;
  37                       break;
  38                   }
  39               }
  40               if (_factory.role && !relation.hasMemberInRole(_entity,_factory.role) ) { continue; }
  41
  42               if (addable) {
  43                   for each( var memberIndex:int in relation.findEntityMemberIndexes(_entity)) {
  44                       var props:Object = {};
  45                       props["relation"] = relation;
  46                       props["id"] = relation.id;
  47                       props["index"] = memberIndex;
  48                       props["role"] = relation.getMember(memberIndex).role;
  49                       props["entity"] = _entity;
  50                       matched.push(props);
  51                   }
  52               }
  53           }
  54           return matched;
  55       }
  56
  57       public function addMember(relation:Relation, role:String):void {
  58           if (_entity != null && !_entity.hasParent(relation))
  59               relation.appendMember(new RelationMember(_entity, role), MainUndoStack.getGlobalStack().addAction);
  60       }
  61
  62       public function set factory(factory:RelationMemberEditorFactory):void {
  63           _factory = factory;
  64           dispatchEvent(new Event("factory_set"));
  65       }
  66
  67       public function set entity(entity:Entity):void {
  68           _entity = entity;
  69
  70           entity.addEventListener(Connection.ADDED_TO_RELATION, relationsChanged, false, 0, true);
  71           entity.addEventListener(Connection.REMOVED_FROM_RELATION, relationsChanged, false, 0, true);
  72           dispatchEvent(new Event("relations_changed"));
  73       }
  74
  75       protected function relationsChanged(event:Event):void {
  76           dispatchEvent(new Event("relations_changed"));
  77       }
  78
  79     }
  80
  81 }
  82
  83