net/systemeD/halcyon/connection/actions/SetTagKeyAction.as

   1 package net.systemeD.halcyon.connection.actions {
   2
   3     import net.systemeD.halcyon.connection.*;
   4
   5     public class SetTagKeyAction extends UndoableEntityAction {
   6         private var oldKey:String;
   7         private var newKey:String;
   8
   9         public function SetTagKeyAction(entity:Entity, oldKey:String, newKey:String) {
  10             super(entity, "Rename tag "+oldKey+"->"+newKey);
  11             this.oldKey = oldKey;
  12             this.newKey = newKey;
  13         }
  14
  15         public override function doAction():uint {
  16             var tags:Object = entity.getTagsHash();
  17             var value:String = tags[oldKey];
  18             if ( oldKey != newKey ) {
  19                 delete tags[oldKey];
  20                 tags[newKey] = value;
  21                 markDirty();
  22                 entity.dispatchEvent(new TagEvent(Connection.TAG_CHANGED, entity, oldKey, newKey, value, value));
  23                 return SUCCESS;
  24             } else {
  25                 return NO_CHANGE;
  26             }
  27         }
  28
  29         public override function undoAction():uint {
  30             var tags:Object = entity.getTagsHash();
  31             var value:String = tags[newKey];
  32             delete tags[newKey];
  33             tags[oldKey] = value;
  34             markClean();
  35             entity.dispatchEvent(new TagEvent(Connection.TAG_CHANGED, entity, newKey, oldKey, value, value));
  36
  37             return SUCCESS;
  38         }
  39     }
  40 }
  41