basic multipolygon rendering
[potlatch2.git] / net / systemeD / halcyon / connection / Relation.as
index a9743b970f17f2522907775fb37782e6455bba3c..5cab4047149e9046a8884735b8b5761e34f77b2d 100644 (file)
@@ -1,5 +1,7 @@
 package net.systemeD.halcyon.connection {
 
+       import net.systemeD.halcyon.connection.actions.*;
+
     public class Relation extends Entity {
         private var members:Array;
                public static var entity_type:String = 'relation';
@@ -58,12 +60,16 @@ package net.systemeD.halcyon.connection {
                        markDirty();
         }
 
-        public function insertMember(index:uint, member:RelationMember):void {
-            members.splice(index, 0, member);
-                       member.entity.addParent(this);
-                       markDirty();
-                       
-                       dispatchEvent(new RelationMemberEvent(Connection.RELATION_MEMBER_ADDED, member.entity, this, index));
+               public function findMembersByRole(role:String):Array {
+                       var a:Array=[];
+            for (var index:uint = 0; index < members.length; index++) {
+                if (members[index].role==role) { a.push(members[index].entity); }
+            }
+                       return a;
+               }
+
+        public function insertMember(index:uint, member:RelationMember, performAction:Function):void {
+            performAction(new AddMemberToRelationAction(this, index, member, members));
         }
 
         public function appendMember(member:RelationMember):uint {
@@ -75,18 +81,8 @@ package net.systemeD.halcyon.connection {
             return members.length;
         }
 
-               public function removeMember(entity:Entity):void {
-                       var i:int;
-                       var lastRemoved:int = -1;
-                       while ((i=findEntityMemberIndex(entity))>-1) {
-                               members.splice(i, 1);
-                               lastRemoved = i;
-                       }
-                       entity.removeParent(this);
-                       markDirty();
-                       
-                       if ( lastRemoved >= 0 )
-                           dispatchEvent(new RelationMemberEvent(Connection.RELATION_MEMBER_REMOVED, entity, this, lastRemoved));
+               public function removeMember(entity:Entity, performAction:Function):void {
+                       performAction(new RemoveEntityFromRelationAction(this, entity, members));
                }
 
         public function removeMemberByIndex(index:uint):void {
@@ -101,12 +97,8 @@ package net.systemeD.halcyon.connection {
             dispatchEvent(new RelationMemberEvent(Connection.RELATION_MEMBER_REMOVED, entity, this, index));
         }
 
-               public override function remove():void {
-                       removeFromParents();
-                       for each (var member:RelationMember in members) { member.entity.removeParent(this); }
-                       members=[];
-                       deleted=true;
-            dispatchEvent(new EntityEvent(Connection.RELATION_DELETED, this));
+               public override function remove(performAction:Function):void {
+                       performAction(new DeleteRelationAction(this, setDeletedState, members));
                }
 
                internal override function isEmpty():Boolean {