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

   1 package net.systemeD.potlatch2.mapfeatures.editors {
   2
   3     import net.systemeD.halcyon.connection.*;
   4     import net.systemeD.potlatch2.mapfeatures.*;
   5     import flash.display.*;
   6
   7         public class RelationMemberEditorFactory extends EditorFactory {
   8             private var _relationTags:Object;
   9                 private var _role:String;
  10
  11         public function RelationMemberEditorFactory(inputXML:XML) {
  12             super(inputXML);
  13             _relationTags = {};
  14             for each(var match:XML in inputXML.match) {
  15                 _relationTags[match.@k] = match.@v;
  16             }
  17                         for each(var role:XML in inputXML.role) {
  18                                 _role=role.@role;
  19                         }
  20         }
  21
  22         public function get relationTags():Object {
  23             return _relationTags;
  24         }
  25
  26         public function get role():String {
  27             return _role;
  28         }
  29
  30         override public function areTagsMatching(entity:Entity):Boolean {
  31             var parentRelations:Array = entity.parentRelations;
  32             if ( parentRelations.length == 0 )
  33                 return false;
  34
  35             // get relations for the entity
  36             for each(var relation:Relation in parentRelations) {
  37                                 var match:Boolean=true;
  38                 for ( var k:String in _relationTags ) {
  39                     var relVal:String = relation.getTag(k);
  40                     if ( relVal != _relationTags[k] ) { match=false; break; }
  41                                         if ( _role && !relation.hasMemberInRole(entity,_role) ) { match=false; break; }
  42                 }
  43                                 if (match) { return true; }
  44             }
  45                         return false;
  46         }
  47
  48         override public function createEditorInstance(entity:Entity):DisplayObject {
  49             var editor:RelationMemberEditor = createRelationMemberEditor();
  50             editor.factory = this;
  51             editor.entity = entity;
  52             return editor;
  53         }
  54
  55         protected function createRelationMemberEditor():RelationMemberEditor {
  56             return null;
  57         }
  58     }
  59
  60 }
  61
  62